diff --git a/.gitignore b/.gitignore
index f8fd82235..dc56fa03c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,5 @@ cabal.project.local
 gen/
 /.vscode
 
-cardano-chain-gen/test/testfiles/temp/
\ No newline at end of file
+cardano-chain-gen/test/testfiles/temp/
+cardano-chain-gen/bench/benchfiles/temp/
diff --git a/cabal.project b/cabal.project
index 8a5adf0ba..819b0495d 100644
--- a/cabal.project
+++ b/cabal.project
@@ -258,3 +258,11 @@ source-repository-package
   tag: 297cd9db5074339a2fb2e5ae7d0780debb670c63
   --sha256: 1zcwry3y5rmd9lgxy89wsb3k4kpffqji35dc7ghzbz603y1gy24g
 
+source-repository-package
+  type: git
+  location: https://github.com/input-output-hk/criterion-2
+  --sha256: 189brk8lpmjgsy32yin6ps0v34wvs971bkw92d5w8r4jsi7wwndc
+  tag: 4a99389084cba4eabd3149f37adee2a394d065a9
+  subdir:
+    .
+    criterion-measurement
diff --git a/cardano-chain-gen/bench/Cardano/Db/Bench.hs b/cardano-chain-gen/bench/Cardano/Db/Bench.hs
new file mode 100644
index 000000000..1bed5ecaa
--- /dev/null
+++ b/cardano-chain-gen/bench/Cardano/Db/Bench.hs
@@ -0,0 +1,307 @@
+module Cardano.Db.Bench where
+
+import           Control.DeepSeq
+import           Control.Monad
+import           Control.Monad.Class.MonadSTM.Strict
+import qualified Data.Text.Encoding as Text
+import           Data.List.Split
+import qualified Data.Map as Map
+import           Data.Text (Text)
+
+import           Ouroboros.Network.Block (Point (..))
+
+import           Cardano.Slotting.Slot
+
+import           Cardano.Ledger.Address
+import           Cardano.Ledger.BaseTypes
+import           Cardano.Ledger.Credential
+import           Cardano.Ledger.Mary.Value
+import           Cardano.Ledger.Shelley.TxBody
+
+import           Cardano.Mock.ChainSync.Server
+import           Cardano.Mock.Db.Config hiding (withFullConfig)
+import qualified Cardano.Mock.Db.Config as Config
+import           Cardano.Mock.Db.Validate
+import           Cardano.Mock.Forging.Interpreter
+import qualified Cardano.Mock.Forging.Tx.Alonzo as Alonzo
+import           Cardano.Mock.Forging.Tx.Generic
+import           Cardano.Mock.Forging.Types
+
+import           Criterion
+
+benchmark :: IOManager -> [(Text, Text)] -> Benchmark
+benchmark iom knownMigrations =
+    bgroup "bench"
+      [ bgroup "empty blocks"
+          [ bnch 3 "10 blocks" $ emptyBlocks 10
+          , bnch 3 "50 blocks" $ emptyBlocks 50
+          , bnch 3 "100 blocks" $ emptyBlocks 100
+          , longBnch "500 blocks" $ emptyBlocks 500
+          , longBnch "5000 blocks" $ emptyBlocks 5000
+          , longBnch "10000 blocks" $ emptyBlocks 10000
+          ]
+      , bgroup "register addresses 1000 per block"
+          [ bnch 3 "1 block" $ registerAddressess 1
+          , bnch 3 "10 blocks" $ registerAddressess 10
+          , bnch 3 "100 blocks" $ registerAddressess 100
+          , bnch 3 "200 blocks" $ registerAddressess 200
+          ]
+      , bgroup "create UTxO. 200 per block"
+          [ bnch 3 "1 block" $ createUTXO 1
+          , bnch 3 "10 blocks" $ createUTXO 10
+          , longBnch "100 blocks" $ createUTXO 100
+          , longBnch "100 blocks" $ createUTXO 1000
+          ]
+      , bgroup "create UTxO. 1000 per block"
+          [ bnch 3 "1 block" $ createUTXO' 1
+          , bnch 3 "10 blocks" $ createUTXO' 10
+          , longBnch "100 blocks" $ createUTXO' 100
+          , longBnch "1000 blocks" $ createUTXO' 1000
+          ]
+      , bgroup "create multiasssets."
+          [ bnch 3 "1 block" $ createMaTxOut 1
+          , bnch 3 "10 blocks" $ createMaTxOut 10
+          , longBnch "100 blocks" $ createMaTxOut 100
+          , longBnch "500 blocks" $ createMaTxOut 500
+          ]
+      , bgroup "delegate and send funds"
+          [ bnch 3 "3 block" $ delegateAndSend 1
+          , bnch 3 "30 blocks" $ delegateAndSend 10
+          , longBnch "300 blocks" $ delegateAndSend 100
+          , longBnch "1200 blocks" $ delegateAndSend 400
+          ]
+       , bgroup "rollback multiassets"
+          [ bnch 3 "1 block" $ rollbackMaTxOut 1
+          , bnch 3 "10 blocks" $ rollbackMaTxOut 10
+          , longBnch "100 blocks" $ rollbackMaTxOut 100
+          , longBnch "500 blocks" $ rollbackMaTxOut 500
+          ]
+       bgroup "rollback delegate and send funds"
+          [ bnch 3 "3 blocks" $ rollbackDelegateAndSend 1
+          , bnch 3 "30 blocks" $ rollbackDelegateAndSend 10
+          , longBnch "300 blocks" $ rollbackDelegateAndSend 100
+          , longBnch "1200 blocks" $ rollbackDelegateAndSend 400
+          ]
+      ]
+  where
+    _bnch' :: String -> (IOManager -> [(Text, Text)] -> Benchmarkable) -> Benchmark
+    _bnch' str action = bench str (action iom knownMigrations)
+
+    bnch :: Int -> String  -> (IOManager -> [(Text, Text)] -> Benchmarkable) -> Benchmark
+    bnch n str action = bench str (fixIterations n $ action iom knownMigrations)
+
+    longBnch :: String -> (IOManager -> [(Text, Text)] -> Benchmarkable) -> Benchmark
+    longBnch str = bnch 1 str
+
+data BenchEnv = BenchEnv Interpreter (ServerHandle IO CardanoBlock) DBSyncEnv [CardanoBlock]
+
+instance NFData BenchEnv where
+    -- We don't really use many feautures of criterion. 'NFData' is not one of them.
+    rnf _ = ()
+
+defaultConfigDir ::  FilePath
+defaultConfigDir = "config"
+
+rootTestDir :: FilePath
+rootTestDir = "bench/benchfiles"
+
+withFullConfig :: FilePath -> FilePath
+               -> (Interpreter -> ServerHandle IO CardanoBlock -> DBSyncEnv -> IO ())
+               -> IOManager -> [(Text, Text)] -> IO ()
+withFullConfig = Config.withFullConfig rootTestDir
+
+benchmarkSyncing :: FilePath -> FilePath -> FilePath
+                 -> (Interpreter -> IO [CardanoBlock])
+                 -> IOManager -> [(Text, Text)]
+                 -> Benchmarkable
+benchmarkSyncing rootDir config testLabel mkBlocks iom mig =
+    perRunEnvWithCleanup createEnv cleanupEnv runBench
+  where
+    createEnv :: IO BenchEnv
+    createEnv = do
+      (interpreter, mockServer, dbSync) <- mkFullConfig rootDir config testLabel iom mig
+      -- first block server and then start db-sync during env creation, so that
+      -- schema migrations doesn't affect benchmarking results.\
+      atomically $ blockServing mockServer
+      startDBSync dbSync
+      blks <- mkBlocks interpreter
+      forM_ blks $ atomically . addBlock mockServer
+      -- This is here to wait for all migration to run before running the benchmark
+      assertBlocksCount dbSync 2
+      pure $ BenchEnv interpreter mockServer dbSync blks
+
+    cleanupEnv (BenchEnv interpreter mockServer dbSync _blks) = do
+      cleanFullConfig (interpreter, mockServer, dbSync)
+
+    runBench (BenchEnv _interpreter mockServer dbSync blks) = do
+      -- unblock the server and wait for the blocks in db.
+      atomically $ unBlockServing mockServer
+      assertBlockNo dbSync (Just $ length blks - 1) [1,1..]
+
+
+benchmarkRollback :: FilePath -> FilePath -> FilePath
+                  -> (Interpreter -> IO [CardanoBlock])
+                  -> IOManager -> [(Text, Text)]
+                  -> Benchmarkable
+benchmarkRollback rootDir config testLabel mkBlocks iom mig =
+    perRunEnvWithCleanup createEnv cleanupEnv runBench
+  where
+    createEnv :: IO BenchEnv
+    createEnv = do
+      (interpreter, mockServer, dbSync) <- mkFullConfig rootDir config testLabel iom mig
+      startDBSync dbSync
+      blks <- mkBlocks interpreter
+      forM_ blks $ atomically . addBlock mockServer
+      -- Sync all blocks in db-sync
+      assertBlockNo dbSync (Just $ length blks - 1) [1,1..]
+      pure $ BenchEnv interpreter mockServer dbSync blks
+
+    cleanupEnv (BenchEnv interpreter mockServer dbSync _blks) = do
+      cleanFullConfig (interpreter, mockServer, dbSync)
+
+    runBench (BenchEnv _interpreter mockServer dbSync _blks) = do
+      -- unblock the server and wait for the blocks in db.
+      atomically $ rollback mockServer (Point Origin)
+      assertBlockNo dbSync Nothing [1,1..]
+
+
+emptyBlocks :: Int -> IOManager -> [(Text, Text)] -> Benchmarkable
+emptyBlocks n =
+    benchmarkSyncing rootTestDir defaultConfigDir testLabel $ \interpreter ->
+      replicateM n $ forgeNextFindLeader interpreter []
+  where
+    testLabel = "emptyBlock_" <> show n
+
+registerAddressess :: Int -> IOManager -> [(Text, Text)] -> Benchmarkable
+registerAddressess n =
+    benchmarkSyncing rootTestDir defaultConfigDir testLabel $
+      registerAddressesBlocks n
+  where
+    testLabel = "registerAddressess_" <> show n
+
+registerAddressesBlocks :: Int -> Interpreter -> IO [CardanoBlock]
+registerAddressesBlocks n interpreter = do
+    forM (chunksOf 1000 creds) $ \blockCreds -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \_st ->
+        forM (chunksOf 10 blockCreds) $ \txCreds -> -- 10 per tx
+          Alonzo.mkDCertTx (fmap (DCertDeleg . RegKey) txCreds) (Wdrl mempty)
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+  where
+    creds = createStakeCredentials (1000 * n)
+
+createUTXO :: Int -> IOManager -> [(Text, Text)] -> Benchmarkable
+createUTXO n =
+    benchmarkSyncing rootTestDir defaultConfigDir testLabel $
+      createUTXOBlocks n
+  where
+    testLabel = "createUTXO_" <> show n
+
+-- 200 txs per block. 1 outputs per tx
+createUTXOBlocks :: Int -> Interpreter -> IO [CardanoBlock]
+createUTXOBlocks n interpreter = do
+    addr <- withAlonzoLedgerState interpreter $ resolveAddress (UTxOIndex 0)
+    -- we use the change output to create the next transaction.
+    let utxoIndex = UTxOAddress addr
+    forM (chunksOf 200 addresses) $ \blockAddresses -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \st ->
+        forM blockAddresses $ \sendAddr ->
+          Alonzo.mkPaymentTx utxoIndex (UTxOAddress sendAddr) 1 0 st
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+  where
+    addresses = fmap (\addr -> Addr Testnet addr StakeRefNull) (createPaymentCredentials (200 * n))
+
+createUTXO' :: Int -> IOManager -> [(Text, Text)] -> Benchmarkable
+createUTXO' n =
+    benchmarkSyncing rootTestDir defaultConfigDir testLabel $
+      createUTXOBlocks' n
+  where
+    testLabel = "createUTXO'_" <> show n
+
+-- 100 txs per block. 10 outputs per tx
+createUTXOBlocks' :: Int -> Interpreter -> IO [CardanoBlock]
+createUTXOBlocks' n interpreter = do
+    addrFrom <- withAlonzoLedgerState interpreter $ resolveAddress (UTxOIndex 0)
+    -- we use the change output to create the next transaction.
+    let utxoIndex = UTxOAddress addrFrom
+    forM (chunksOf 1000 addresses) $ \blockAddresses -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \st ->
+        forM (chunksOf 10 blockAddresses) $ \txAddresses ->
+          Alonzo.mkPaymentTx' utxoIndex (fmap (\addr -> (UTxOAddress addr, Value 1 mempty)) txAddresses) st
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+  where
+    addresses = fmap (\addr -> Addr Testnet addr StakeRefNull) (createPaymentCredentials (1000 * n))
+
+createMaTxOut :: Int -> IOManager -> [(Text, Text)] -> Benchmarkable
+createMaTxOut n =
+    benchmarkSyncing rootTestDir defaultConfigDir testLabel $
+      createMaTxOutBlocks n
+  where
+    testLabel = "createMaTxOut_" <> show n
+
+rollbackMaTxOut :: Int -> IOManager -> [(Text, Text)] -> Benchmarkable
+rollbackMaTxOut n =
+    benchmarkRollback rootTestDir defaultConfigDir testLabel $
+      createMaTxOutBlocks n
+  where
+    testLabel = "rollbackMaTxOut_" <> show n
+
+createMaTxOutBlocks :: Int -> Interpreter -> IO [CardanoBlock]
+createMaTxOutBlocks n interpreter = do
+    addrFrom <- withAlonzoLedgerState interpreter $ resolveAddress (UTxOIndex 0)
+    -- we use the change output to create the next transaction.
+    let utxoIndex = UTxOAddress addrFrom
+    forM (zip [1..n] $ chunksOf 1000 addresses) $ \(_blockId, blockAddresses) -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \st ->
+        forM (zip [1..100] $ chunksOf 10 blockAddresses) $ \(txId, txAddresses) ->
+          let maMap = Map.fromList $ flip fmap [0..9] $ \maIndex ->
+                let assets = Map.fromList $ flip fmap [0..9] $ \assetIx ->
+                        (AssetName $ Text.encodeUtf8 $ textShow (100 * assetIx + maIndex), 1)
+                in (PolicyID (mkDummyScriptHash $ 10 * maIndex + txId `mod` 10), assets)
+          in Alonzo.mkPaymentTx' utxoIndex (fmap (\addr -> (UTxOAddress addr, Value 1 maMap)) txAddresses) st
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+  where
+    addresses = fmap (\addr -> Addr Testnet addr StakeRefNull) (createPaymentCredentials (1000 * n))
+
+delegateAndSend :: Int -> IOManager -> [(Text, Text)] -> Benchmarkable
+delegateAndSend n =
+  benchmarkSyncing rootTestDir defaultConfigDir testLabel $
+    delegateAndSendBlocks n
+  where
+    testLabel = "delegateAndSend_" <> show n
+
+rollbackDelegateAndSend :: Int -> IOManager -> [(Text, Text)] -> Benchmarkable
+rollbackDelegateAndSend n =
+  benchmarkRollback rootTestDir defaultConfigDir testLabel $
+    delegateAndSendBlocks n
+  where
+    testLabel = "rollbackDelegateAndSend_" <> show n
+
+delegateAndSendBlocks :: Int -> Interpreter -> IO [CardanoBlock]
+delegateAndSendBlocks n interpreter = do
+    addrFrom <- withAlonzoLedgerState interpreter $ resolveAddress (UTxOIndex 0)
+    registerBlocks <- forM (chunksOf 1000 creds) $ \blockCreds -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \_st ->
+        forM (chunksOf 10 blockCreds) $ \txCreds -> -- 10 per tx
+          Alonzo.mkDCertTx (fmap (DCertDeleg . RegKey) txCreds) (Wdrl mempty)
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+
+    delegateBlocks <- forM (chunksOf 1000 creds) $ \blockCreds -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \st ->
+        forM (chunksOf 10 blockCreds) $ \txCreds -> --do -- 10 per tx
+          Alonzo.mkDCertTx
+            (fmap (\ (poolIx, cred) -> DCertDeleg $ Delegate $ Delegation cred (resolvePool (PoolIndex poolIx) st))
+                  (zip (cycle [0,1,2]) txCreds))
+            (Wdrl mempty)
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+
+    let utxoIndex = UTxOAddress addrFrom
+    sendBlocks <- forM (chunksOf 1000 addresses) $ \blockAddresses -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \st ->
+        forM (chunksOf 10 blockAddresses) $ \txAddresses ->
+          Alonzo.mkPaymentTx' utxoIndex (fmap (\addr -> (UTxOAddress addr, Value 1 mempty)) txAddresses) st
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+    pure $ registerBlocks <> delegateBlocks <> sendBlocks
+  where
+    creds = createStakeCredentials (1000 * n)
+    pcreds = createPaymentCredentials (1000 * n)
+    addresses = fmap (\(pcred, cred) -> Addr Testnet pcred (StakeRefBase cred)) (zip pcreds creds)
diff --git a/cardano-chain-gen/bench/Main.hs b/cardano-chain-gen/bench/Main.hs
new file mode 100644
index 000000000..7fe07e9ea
--- /dev/null
+++ b/cardano-chain-gen/bench/Main.hs
@@ -0,0 +1,48 @@
+import           Cardano.Prelude (Text)
+
+import           Prelude
+
+import           Control.Monad (when, (>=>))
+import           Data.Maybe (isNothing)
+
+import           System.Directory (getCurrentDirectory)
+import           System.Environment (lookupEnv, setEnv)
+import           System.FilePath ((</>))
+
+import           MigrationValidations (KnownMigration (..), knownMigrations)
+
+import           Cardano.Mock.ChainSync.Server
+
+import           Criterion.Main
+
+import qualified Cardano.Db.Bench as Bench
+
+main :: IO ()
+main = do
+    -- If the env is not set, set it to default.
+    mPgPassFile <- lookupEnv "PGPASSFILE"
+    when (isNothing mPgPassFile) $ do
+      currentDir <- getCurrentDirectory
+      setEnv "PGPASSFILE" (currentDir </> "bench/benchfiles/pgpass-bench")
+    withIOManager $
+        benchmarks >=> defaultMain
+  where
+--    config = defaultConfig
+--      { resamples = 1
+--      , reportFile = Just "report.html"
+--      , csvFile = Just "report.csv"
+--      , jsonFile = Just "reprt.json"
+--      , junitFile = Just "report.junit"
+--      }
+
+benchmarks :: IOManager -> IO [Benchmark]
+benchmarks iom = do
+    pure $
+      [ bgroup
+        "cardano-chain"
+          [ Bench.benchmark iom knownMigrationsPlain
+          ]
+      ]
+  where
+    knownMigrationsPlain :: [(Text, Text)]
+    knownMigrationsPlain = (\x -> (hash x, filepath x)) <$> knownMigrations
diff --git a/cardano-chain-gen/bench/benchfiles/config/genesis.alonzo.json b/cardano-chain-gen/bench/benchfiles/config/genesis.alonzo.json
new file mode 100644
index 000000000..bcc2d3176
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/genesis.alonzo.json
@@ -0,0 +1,188 @@
+{
+    "collateralPercentage": 1,
+    "maxBlockExUnits": {
+        "exUnitsMem": 500000000000,
+        "exUnitsSteps": 500000000000
+    },
+    "maxCollateralInputs": 5,
+    "maxValueSize": 4000,
+    "costModels": {
+        "PlutusV1": {
+            "sha2_256-memory-arguments": 4,
+            "equalsString-cpu-arguments-constant": 1000,
+            "cekDelayCost-exBudgetMemory": 100,
+            "lessThanEqualsByteString-cpu-arguments-intercept": 103599,
+            "divideInteger-memory-arguments-minimum": 1,
+            "appendByteString-cpu-arguments-slope": 621,
+            "blake2b-cpu-arguments-slope": 29175,
+            "iData-cpu-arguments": 150000,
+            "encodeUtf8-cpu-arguments-slope": 1000,
+            "unBData-cpu-arguments": 150000,
+            "multiplyInteger-cpu-arguments-intercept": 61516,
+            "cekConstCost-exBudgetMemory": 100,
+            "nullList-cpu-arguments": 150000,
+            "equalsString-cpu-arguments-intercept": 150000,
+            "trace-cpu-arguments": 150000,
+            "mkNilData-memory-arguments": 32,
+            "lengthOfByteString-cpu-arguments": 150000,
+            "cekBuiltinCost-exBudgetCPU": 29773,
+            "bData-cpu-arguments": 150000,
+            "subtractInteger-cpu-arguments-slope": 0,
+            "unIData-cpu-arguments": 150000,
+            "consByteString-memory-arguments-intercept": 0,
+            "divideInteger-memory-arguments-slope": 1,
+            "divideInteger-cpu-arguments-model-arguments-slope": 118,
+            "listData-cpu-arguments": 150000,
+            "headList-cpu-arguments": 150000,
+            "chooseData-memory-arguments": 32,
+            "equalsInteger-cpu-arguments-intercept": 136542,
+            "sha3_256-cpu-arguments-slope": 82363,
+            "sliceByteString-cpu-arguments-slope": 5000,
+            "unMapData-cpu-arguments": 150000,
+            "lessThanInteger-cpu-arguments-intercept": 179690,
+            "mkCons-cpu-arguments": 150000,
+            "appendString-memory-arguments-intercept": 0,
+            "modInteger-cpu-arguments-model-arguments-slope": 118,
+            "ifThenElse-cpu-arguments": 1,
+            "mkNilPairData-cpu-arguments": 150000,
+            "lessThanEqualsInteger-cpu-arguments-intercept": 145276,
+            "addInteger-memory-arguments-slope": 1,
+            "chooseList-memory-arguments": 32,
+            "constrData-memory-arguments": 32,
+            "decodeUtf8-cpu-arguments-intercept": 150000,
+            "equalsData-memory-arguments": 1,
+            "subtractInteger-memory-arguments-slope": 1,
+            "appendByteString-memory-arguments-intercept": 0,
+            "lengthOfByteString-memory-arguments": 4,
+            "headList-memory-arguments": 32,
+            "listData-memory-arguments": 32,
+            "consByteString-cpu-arguments-intercept": 150000,
+            "unIData-memory-arguments": 32,
+            "remainderInteger-memory-arguments-minimum": 1,
+            "bData-memory-arguments": 32,
+            "lessThanByteString-cpu-arguments-slope": 248,
+            "encodeUtf8-memory-arguments-intercept": 0,
+            "cekStartupCost-exBudgetCPU": 100,
+            "multiplyInteger-memory-arguments-intercept": 0,
+            "unListData-memory-arguments": 32,
+            "remainderInteger-cpu-arguments-model-arguments-slope": 118,
+            "cekVarCost-exBudgetCPU": 29773,
+            "remainderInteger-memory-arguments-slope": 1,
+            "cekForceCost-exBudgetCPU": 29773,
+            "sha2_256-cpu-arguments-slope": 29175,
+            "equalsInteger-memory-arguments": 1,
+            "indexByteString-memory-arguments": 1,
+            "addInteger-memory-arguments-intercept": 1,
+            "chooseUnit-cpu-arguments": 150000,
+            "sndPair-cpu-arguments": 150000,
+            "cekLamCost-exBudgetCPU": 29773,
+            "fstPair-cpu-arguments": 150000,
+            "quotientInteger-memory-arguments-minimum": 1,
+            "decodeUtf8-cpu-arguments-slope": 1000,
+            "lessThanInteger-memory-arguments": 1,
+            "lessThanEqualsInteger-cpu-arguments-slope": 1366,
+            "fstPair-memory-arguments": 32,
+            "modInteger-memory-arguments-intercept": 0,
+            "unConstrData-cpu-arguments": 150000,
+            "lessThanEqualsInteger-memory-arguments": 1,
+            "chooseUnit-memory-arguments": 32,
+            "sndPair-memory-arguments": 32,
+            "addInteger-cpu-arguments-intercept": 197209,
+            "decodeUtf8-memory-arguments-slope": 8,
+            "equalsData-cpu-arguments-intercept": 150000,
+            "mapData-cpu-arguments": 150000,
+            "mkPairData-cpu-arguments": 150000,
+            "quotientInteger-cpu-arguments-constant": 148000,
+            "consByteString-memory-arguments-slope": 1,
+            "cekVarCost-exBudgetMemory": 100,
+            "indexByteString-cpu-arguments": 150000,
+            "unListData-cpu-arguments": 150000,
+            "equalsInteger-cpu-arguments-slope": 1326,
+            "cekStartupCost-exBudgetMemory": 100,
+            "subtractInteger-cpu-arguments-intercept": 197209,
+            "divideInteger-cpu-arguments-model-arguments-intercept": 425507,
+            "divideInteger-memory-arguments-intercept": 0,
+            "cekForceCost-exBudgetMemory": 100,
+            "blake2b-cpu-arguments-intercept": 2477736,
+            "remainderInteger-cpu-arguments-constant": 148000,
+            "tailList-cpu-arguments": 150000,
+            "encodeUtf8-cpu-arguments-intercept": 150000,
+            "equalsString-cpu-arguments-slope": 1000,
+            "lessThanByteString-memory-arguments": 1,
+            "multiplyInteger-cpu-arguments-slope": 11218,
+            "appendByteString-cpu-arguments-intercept": 396231,
+            "lessThanEqualsByteString-cpu-arguments-slope": 248,
+            "modInteger-memory-arguments-slope": 1,
+            "addInteger-cpu-arguments-slope": 0,
+            "equalsData-cpu-arguments-slope": 10000,
+            "decodeUtf8-memory-arguments-intercept": 0,
+            "chooseList-cpu-arguments": 150000,
+            "constrData-cpu-arguments": 150000,
+            "equalsByteString-memory-arguments": 1,
+            "cekApplyCost-exBudgetCPU": 29773,
+            "quotientInteger-memory-arguments-slope": 1,
+            "verifySignature-cpu-arguments-intercept": 3345831,
+            "unMapData-memory-arguments": 32,
+            "mkCons-memory-arguments": 32,
+            "sliceByteString-memory-arguments-slope": 1,
+            "sha3_256-memory-arguments": 4,
+            "ifThenElse-memory-arguments": 1,
+            "mkNilPairData-memory-arguments": 32,
+            "equalsByteString-cpu-arguments-slope": 247,
+            "appendString-cpu-arguments-intercept": 150000,
+            "quotientInteger-cpu-arguments-model-arguments-slope": 118,
+            "cekApplyCost-exBudgetMemory": 100,
+            "equalsString-memory-arguments": 1,
+            "multiplyInteger-memory-arguments-slope": 1,
+            "cekBuiltinCost-exBudgetMemory": 100,
+            "remainderInteger-memory-arguments-intercept": 0,
+            "sha2_256-cpu-arguments-intercept": 2477736,
+            "remainderInteger-cpu-arguments-model-arguments-intercept": 425507,
+            "lessThanEqualsByteString-memory-arguments": 1,
+            "tailList-memory-arguments": 32,
+            "mkNilData-cpu-arguments": 150000,
+            "chooseData-cpu-arguments": 150000,
+            "unBData-memory-arguments": 32,
+            "blake2b-memory-arguments": 4,
+            "iData-memory-arguments": 32,
+            "nullList-memory-arguments": 32,
+            "cekDelayCost-exBudgetCPU": 29773,
+            "subtractInteger-memory-arguments-intercept": 1,
+            "lessThanByteString-cpu-arguments-intercept": 103599,
+            "consByteString-cpu-arguments-slope": 1000,
+            "appendByteString-memory-arguments-slope": 1,
+            "trace-memory-arguments": 32,
+            "divideInteger-cpu-arguments-constant": 148000,
+            "cekConstCost-exBudgetCPU": 29773,
+            "encodeUtf8-memory-arguments-slope": 8,
+            "quotientInteger-cpu-arguments-model-arguments-intercept": 425507,
+            "mapData-memory-arguments": 32,
+            "appendString-cpu-arguments-slope": 1000,
+            "modInteger-cpu-arguments-constant": 148000,
+            "verifySignature-cpu-arguments-slope": 1,
+            "unConstrData-memory-arguments": 32,
+            "quotientInteger-memory-arguments-intercept": 0,
+            "equalsByteString-cpu-arguments-constant": 150000,
+            "sliceByteString-memory-arguments-intercept": 0,
+            "mkPairData-memory-arguments": 32,
+            "equalsByteString-cpu-arguments-intercept": 112536,
+            "appendString-memory-arguments-slope": 1,
+            "lessThanInteger-cpu-arguments-slope": 497,
+            "modInteger-cpu-arguments-model-arguments-intercept": 425507,
+            "modInteger-memory-arguments-minimum": 1,
+            "sha3_256-cpu-arguments-intercept": 0,
+            "verifySignature-memory-arguments": 1,
+            "cekLamCost-exBudgetMemory": 100,
+            "sliceByteString-cpu-arguments-intercept": 150000
+        }
+    },
+    "executionPrices": {
+        "prMem": 0.1,
+        "prSteps": 0.1
+    },
+    "lovelacePerUTxOWord": 1,
+    "maxTxExUnits": {
+        "exUnitsMem": 500000000000,
+        "exUnitsSteps": 500000000000
+    }
+}
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/config/genesis.byron.json b/cardano-chain-gen/bench/benchfiles/config/genesis.byron.json
new file mode 100644
index 000000000..cf088f937
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/genesis.byron.json
@@ -0,0 +1,31 @@
+{ "bootStakeholders":
+    { "1a3e49767796fd99b057ad54db3310fd640806fcb0927399bbca7b43": 1 }
+, "heavyDelegation":
+    { }
+, "startTime": 1637266922
+, "nonAvvmBalances":
+    { }
+, "blockVersionData":
+    { "scriptVersion": 0
+    , "slotDuration": "20000"
+    , "maxBlockSize": "2000000"
+    , "maxHeaderSize": "2000000"
+    , "maxTxSize": "4096"
+    , "maxProposalSize": "700"
+    , "mpcThd": "20000000000000"
+    , "heavyDelThd": "300000000000"
+    , "updateVoteThd": "1000000000000"
+    , "updateProposalThd": "100000000000000"
+    , "updateImplicit": "10000"
+    , "softforkRule":
+        { "initThd": "900000000000000"
+        , "minThd": "600000000000000"
+        , "thdDecrement": "50000000000000"
+        }
+    , "txFeePolicy":
+        { "summand": "155381000000000" , "multiplier": "43946000000" }
+    , "unlockStakeEpoch": "18446744073709551615"
+    }
+, "protocolConsts": { "k": 216 , "protocolMagic": 42 }
+, "avvmDistr": {}
+}
diff --git a/cardano-chain-gen/bench/benchfiles/config/genesis.json b/cardano-chain-gen/bench/benchfiles/config/genesis.json
new file mode 100644
index 000000000..4a73b7c9e
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/genesis.json
@@ -0,0 +1,109 @@
+{
+    "maxLovelaceSupply": 60000000,
+    "securityParam": 216,
+    "slotsPerKESPeriod": 129600,
+    "updateQuorum": 5,
+    "activeSlotsCoeff": 0.2,
+    "protocolParams": {
+        "minUTxOValue": 0,
+        "eMax": 18,
+        "extraEntropy": {
+            "tag": "NeutralNonce"
+        },
+        "minFeeB": 0,
+        "tau": 0.0,
+        "maxBlockBodySize": 65536,
+        "maxTxSize": 16384,
+        "minPoolCost": 0,
+        "minFeeA": 1,
+        "nOpt": 3,
+        "maxBlockHeaderSize": 1100,
+        "keyDeposit": 0,
+        "poolDeposit": 0,
+        "protocolVersion": {
+            "minor": 0,
+            "major": 6
+        },
+        "a0": 0.3,
+        "rho": 0.0,
+        "decentralisationParam": 0
+    },
+    "networkMagic": 42,
+    "initialFunds": {
+        "00ae51de0c8e130f9ec51755f163258fe661e95e2648080f8e5c9583571b9b85d81adacab01fd7ee2f6e1619a0ca67b619a849bbb069ef0e42": 900000,
+        "005fdb717fabe97938da294e151d96b4af375bea38d176021edb9975b8921c25093b263793a1baf36166b819543f5822c62f725715a4136b39": 900000,
+        "60b13227c296440956c2a014359d6d83e9a854deec46471b57bd2ed2b6": 900000,
+        "60959e277d0f9213ac343e7841dc247089879585c9b6f49e8e0a0e8ce7": 900000,
+        "607903a7c2c29c52a963f40cf58357cb5bae37e2d57e2463b51e747efb": 900000,
+        "00c34b6acfb276a6ec529b3ab56d56988dcd8968647ceeebc28be28751ed15a48df4d479feca6e418ad433041bce1e94cc58d0e104455189bf": 900000,
+        "005fdb717fabe97938da294e151d96b4af375bea38d176021ed1111111921c25093b263793a1baf36166b819543f5822c62f72571111111111": 900000,
+        "005fdb717fabe97938da294e151d96b4af375bea38d176021ed222222295be61304693df94ba89ff989e6542f174bb10d5ff49e8e8b1292519": 900000,
+        "005fdb717fabe97938da294e151d96b4af375bea38d176021ed3333333921c25093b263793a1baf36166b819543f5822c62f72573333333333": 900000,
+        "005fdb717fabe97938da294e151d96b4af375bea38d176021ed1231231b09771da66c23a23450a53420f25b609cfa3b776068da27bee2371e1": 900000
+    },
+    "networkId": "Testnet",
+    "maxKESEvolutions": 60,
+    "genDelegs": { },
+    "slotLength": 1,
+    "systemStart": "2021-11-18T20:22:02Z",
+    "epochLength": 43200,
+    "staking": {
+        "pools": {
+            "9f1b441b9b781b3c3abb43b25679dc17dbaaf116dddca1ad09dc1de0": {
+                "publicKey": "9f1b441b9b781b3c3abb43b25679dc17dbaaf116dddca1ad09dc1de0",
+                "cost": 5,
+                "metadata": null,
+                "owners": [],
+                "vrf": "a78358019b160775d7b04f7c5e06462e1469823cead9b005c941ecefcc386c51",
+                "pledge": 0,
+                "margin": 0.01,
+                "rewardAccount": {
+                    "network": "Testnet",
+                    "credential": {
+                        "key hash": "addfa484e8095ff53f45b25cf337923cf79abe6ec192fdf288d621f9"
+                    }
+                },
+                "relays": []
+            },
+            "5af582399de8c226391bfd21424f34d0b053419c4d93975802b7d107": {
+                "publicKey": "5af582399de8c226391bfd21424f34d0b053419c4d93975802b7d107",
+                "cost": 5,
+                "metadata": null,
+                "owners": ["95be61304693df94ba89ff989e6542f174bb10d5ff49e8e8b1292519"],
+                "vrf": "71833bb9a56532e952bdb30f5f2773ec375d0e02e81a5374246485979012b02a",
+                "pledge": 0,
+                "margin": 0.01,
+                "rewardAccount": {
+                    "network": "Testnet",
+                    "credential": {
+                        "key hash": "95be61304693df94ba89ff989e6542f174bb10d5ff49e8e8b1292519"
+                    }
+                },
+                "relays": []
+            },
+            "58eef2925db2789f76ea057c51069e52c5e0a44550f853c6cdf620f8": {
+                "publicKey": "58eef2925db2789f76ea057c51069e52c5e0a44550f853c6cdf620f8",
+                "cost": 100,
+                "metadata": null,
+                "owners": ["921c25093b263793a1baf36166b819543f5822c62f72573333333333"],
+                "vrf": "8ce25eb830d7f4f7b79e65de7392dab4a156e0298446df022b6175fcaf7aba27",
+                "pledge": 0,
+                "margin": 0.01,
+                "rewardAccount": {
+                    "network": "Testnet",
+                    "credential": {
+                        "key hash": "b09771da66c23a23450a53420f25b609cfa3b776068da27bee2371e1"
+                    }
+                },
+                "relays": []
+            }
+        },
+        "stake": {
+            "921c25093b263793a1baf36166b819543f5822c62f725715a4136b39": "58eef2925db2789f76ea057c51069e52c5e0a44550f853c6cdf620f8",
+            "ed15a48df4d479feca6e418ad433041bce1e94cc58d0e104455189bf": "5af582399de8c226391bfd21424f34d0b053419c4d93975802b7d107",
+            "1b9b85d81adacab01fd7ee2f6e1619a0ca67b619a849bbb069ef0e42": "9f1b441b9b781b3c3abb43b25679dc17dbaaf116dddca1ad09dc1de0",
+            "b09771da66c23a23450a53420f25b609cfa3b776068da27bee2371e1": "58eef2925db2789f76ea057c51069e52c5e0a44550f853c6cdf620f8",
+            "95be61304693df94ba89ff989e6542f174bb10d5ff49e8e8b1292519": "9f1b441b9b781b3c3abb43b25679dc17dbaaf116dddca1ad09dc1de0"
+        }
+    }
+}
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/config/genesis.spec.json b/cardano-chain-gen/bench/benchfiles/config/genesis.spec.json
new file mode 100644
index 000000000..b43b36f56
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/genesis.spec.json
@@ -0,0 +1,43 @@
+{
+    "maxLovelaceSupply": 0,
+    "securityParam": 2160,
+    "slotsPerKESPeriod": 129600,
+    "updateQuorum": 5,
+    "activeSlotsCoeff": 5.0e-2,
+    "protocolParams": {
+        "minUTxOValue": 0,
+        "eMax": 18,
+        "extraEntropy": {
+            "tag": "NeutralNonce"
+        },
+        "minFeeB": 0,
+        "tau": 0.0,
+        "maxBlockBodySize": 65536,
+        "maxTxSize": 16384,
+        "minPoolCost": 0,
+        "minFeeA": 1,
+        "nOpt": 100,
+        "maxBlockHeaderSize": 1100,
+        "keyDeposit": 0,
+        "poolDeposit": 0,
+        "protocolVersion": {
+            "minor": 0,
+            "major": 0
+        },
+        "a0": 0.0,
+        "rho": 0.0,
+        "decentralisationParam": 1.0
+    },
+    "networkMagic": 42,
+    "initialFunds": {},
+    "networkId": "Testnet",
+    "maxKESEvolutions": 60,
+    "genDelegs": {},
+    "slotLength": 1,
+    "systemStart": "1970-01-01T00:00:00Z",
+    "epochLength": 432000,
+    "staking": {
+        "pools": {},
+        "stake": {}
+    }
+}
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds
new file mode 100644
index 000000000..f0216586b
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds
@@ -0,0 +1 @@
+[[{"cborHex":"8284582091bb7c5b3b409250d63addeaa4f41123c78b703d2612516a3c059f7c2b1e15310000584071ce22482933f85ffddf9cb90778cb0248ebe441b2697d413f9225b01ce786e2a120c227ec96ca8d713157758cf0ea45cc7723d2d9f3f9adad219500b3c6c80e582057ed87e13cbdc2fec8a4ebc6242b76d6c71fa483d3813799a2cb3eb710d1f577","description":"","type":"NodeOperationalCertificate"},{"cborHex":"58403467216a6c6555397c57c79830c9723ddc8668fc9c44c50386193a2ea559887bf8f07e0ad5c29d6080333329fa971867061ffeba0c30f2672fe5809f461b6ecb","description":"VRF Signing Key","type":"VrfSigningKey_PraosVRF"},{"cborHex":"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","description":"KES Signing Key","type":"KesSigningKey_ed25519_kes_2^6"}],[{"cborHex":"82845820970179a0f36e39aa8bb4095dc4fb219e8382d0ba20ec9b235c458e636d1e596f0000584098aad60b0bfbfda4981ba5f92b07a6b09990e7364191bf6d34558f15f39b51a04a07c852c4255a484353c5a0f325e79c448099fb3d859c12216029bd97f6090c5820d478654ee2c301f78446db60537377f69875ffcba2781a81c0e2bf3c77209410","description":"","type":"NodeOperationalCertificate"},{"cborHex":"58409da4aabcc214be4a6f7dd3efe77b1809c969edf867f3e592b6a84fd3ce2f33134f50bf8a1710b0854ba79a9a7e90c5b6a3082d4608d057e5ab432c933f293767","description":"VRF Signing Key","type":"VrfSigningKey_PraosVRF"},{"cborHex":"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","description":"KES Signing Key","type":"KesSigningKey_ed25519_kes_2^6"}],[{"cborHex":"82845820112b314dfe4d619bb215c52c4973b51ac269f161370ea57aed3f334811f2923300005840c1715a7c12b52bca14e33d8b8d23e2c9b139e2be0beded4426bc401d3f8f16a5a6660f78f192329de7566c3b2d1fe5e9a2bb5476573689a03660a18b7f20850258200ba394a87622c06c4d67af4e3fa2314824c5d8db428f8200c6eb49033c7e27ec","description":"","type":"NodeOperationalCertificate"},{"cborHex":"58400def24a9256e667363b8a9529d6d8d4893c932a40c02eecd2777a55940254fffab6800ebfb93be0b69dbe2f9ef6dfe39fc0117304c6370485e48b11dc709d59c","description":"VRF Signing Key","type":"VrfSigningKey_PraosVRF"},{"cborHex":"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","description":"KES Signing Key","type":"KesSigningKey_ed25519_kes_2^6"}]]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.0cert b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.0cert
new file mode 100644
index 000000000..dce469c3e
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.0cert
@@ -0,0 +1,5 @@
+{
+    "type": "NodeOperationalCertificate",
+    "description": "",
+    "cborHex": "8284582091bb7c5b3b409250d63addeaa4f41123c78b703d2612516a3c059f7c2b1e15310000584071ce22482933f85ffddf9cb90778cb0248ebe441b2697d413f9225b01ce786e2a120c227ec96ca8d713157758cf0ea45cc7723d2d9f3f9adad219500b3c6c80e582057ed87e13cbdc2fec8a4ebc6242b76d6c71fa483d3813799a2cb3eb710d1f577"
+}
diff --git a/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.0kes b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.0kes
new file mode 100644
index 000000000..b2796a623
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.0kes
@@ -0,0 +1,5 @@
+{
+    "type": "KesSigningKey_ed25519_kes_2^6",
+    "description": "KES Signing Key",
+    "cborHex": "590260d4ea8d759ab61e5dce8b6dfea931cd9e3918ea61d2870152a6146553c323bb7de6713109f8b9ac327796747cc3c85a48678d89cb3f09901b1c57dd2bd1dbc8a8e0f5fd64ce2c5c994e3382320a97ee17341bba737c92bfff4f1e213b5f606f32f91989d2a1b255cb8620abb8667ef3831eb752953052925412aea10b5a2b8649c3aadb079a19dee0387404d161804028f42984c44d6c90ce6366535acf6d712c973068222b6bd646cf037fa0b2aec7ab924a0a6668aebfb53282f6dd1baedd349909d3150dfd06068bd35efcd4db9cca6d9f43ec25864fbc2ee781ac7f9f0bd566544eb374e4663fbe18b513ac13a15c0c2b9dd5607d43c09afbf66ca70651cfc980562e4d69bb7d986f8203cd6c723463b0603e45a3be8ec288b40435d6c4c763122657892f5a558d7a1b52f435b2ae0727d3ef8ae37dee24cc1091002d33b2c9a46ffad59ead9c39e285a65b4911e7579b67550426765eff92d0bb47dd66c452df274d42aacb03ed094b698e2e5d2e188dbed041ae7bf2ee57d3fe7934d038c3a6920347d646eca70d6f403f2b5db5a37ecb1d39e593c1ed19838e2b6dc26228f03bc56f73495e17bc4b78b0ea16f7ef6eaef6ba11dd63d0807720cafd80c978b76c42b86bffc4b32710cba203656afb69fb266934869d2be758f33787f2365f5d65fe19a6a9c546c165cff0ff805fef2281b0b24706be9750c0401467aab795dfc931f3d8e943b7fe877c09816100a4bb1667cfe9753d9cf2477275e4eaef45aee37fa658cab049f8645b32447a0358df23f82f96f624bb0432486b9e755e179faef04387cb15210a2d17d147cbd693a3d56e1b899e3a66bd4d3dc1d4634d"
+}
diff --git a/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.1cert b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.1cert
new file mode 100644
index 000000000..e6e85ee5d
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.1cert
@@ -0,0 +1,5 @@
+{
+    "type": "NodeOperationalCertificate",
+    "description": "",
+    "cborHex": "82845820970179a0f36e39aa8bb4095dc4fb219e8382d0ba20ec9b235c458e636d1e596f0000584098aad60b0bfbfda4981ba5f92b07a6b09990e7364191bf6d34558f15f39b51a04a07c852c4255a484353c5a0f325e79c448099fb3d859c12216029bd97f6090c5820d478654ee2c301f78446db60537377f69875ffcba2781a81c0e2bf3c77209410"
+}
diff --git a/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.1kes b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.1kes
new file mode 100644
index 000000000..110e71607
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.1kes
@@ -0,0 +1,5 @@
+{
+    "type": "KesSigningKey_ed25519_kes_2^6",
+    "description": "KES Signing Key",
+    "cborHex": "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"
+}
diff --git a/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.2cert b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.2cert
new file mode 100644
index 000000000..dd1066050
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.2cert
@@ -0,0 +1,5 @@
+{
+    "type": "NodeOperationalCertificate",
+    "description": "",
+    "cborHex": "82845820112b314dfe4d619bb215c52c4973b51ac269f161370ea57aed3f334811f2923300005840c1715a7c12b52bca14e33d8b8d23e2c9b139e2be0beded4426bc401d3f8f16a5a6660f78f192329de7566c3b2d1fe5e9a2bb5476573689a03660a18b7f20850258200ba394a87622c06c4d67af4e3fa2314824c5d8db428f8200c6eb49033c7e27ec"
+}
diff --git a/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.2kes b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.2kes
new file mode 100644
index 000000000..154783577
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/pools/bulk1.creds.2kes
@@ -0,0 +1,5 @@
+{
+    "type": "KesSigningKey_ed25519_kes_2^6",
+    "description": "KES Signing Key",
+    "cborHex": "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"
+}
diff --git a/cardano-chain-gen/bench/benchfiles/config/test-config.json b/cardano-chain-gen/bench/benchfiles/config/test-config.json
new file mode 100644
index 000000000..60a3306d4
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/test-config.json
@@ -0,0 +1,108 @@
+{
+  "AlonzoGenesisFile": "genesis.alonzo.json",
+  "AlonzoGenesisHash": "7e94a15f55d1e82d10f09203fa1d40f8eede58fd8066542cf6566008068ed874",
+  "ApplicationName": "cardano-sl",
+  "ApplicationVersion": 0,
+  "ByronGenesisFile": "genesis.byron.json",
+  "ByronGenesisHash": "462bb9869a5a6e4325cc294ca659d68607e8a6f37b5be96ea663fdedfe2b5949",
+  "LastKnownBlockVersion-Alt": 0,
+  "LastKnownBlockVersion-Major": 5,
+  "LastKnownBlockVersion-Minor": 1,
+  "MaxKnownMajorProtocolVersion": 5,
+  "PBftSignatureThreshold": 1.1,
+  "Protocol": "Cardano",
+  "RequiresNetworkMagic": "RequiresMagic",
+  "ShelleyGenesisFile": "genesis.json",
+  "ShelleyGenesisHash": "733960b0b305cbfedcca13d2fea87b077f17501d257d4d2844d1f1e3d9dea0b7",
+  "TestAllegraHardForkAtEpoch": 0,
+  "TestAlonzoHardForkAtEpoch": 0,
+  "TestEnableDevelopmentHardForkEras": false,
+  "TestEnableDevelopmentNetworkProtocols": false,
+  "TestMaryHardForkAtEpoch": 0,
+  "TestShelleyHardForkAtEpoch": 0,
+  "TraceAcceptPolicy": true,
+  "TraceBlockFetchClient": false,
+  "TraceBlockFetchDecisions": false,
+  "TraceBlockFetchProtocol": false,
+  "TraceBlockFetchProtocolSerialised": false,
+  "TraceBlockFetchServer": false,
+  "TraceChainDb": true,
+  "TraceChainSyncBlockServer": false,
+  "TraceChainSyncClient": false,
+  "TraceChainSyncHeaderServer": false,
+  "TraceChainSyncProtocol": false,
+  "TraceConnectionManager": true,
+  "TraceDNSResolver": true,
+  "TraceDNSSubscription": true,
+  "TraceDiffusionInitialization": true,
+  "TraceErrorPolicy": true,
+  "TraceForge": true,
+  "TraceHandshake": false,
+  "TraceInboundGovernor": true,
+  "TraceIpSubscription": true,
+  "TraceLedgerPeers": true,
+  "TraceLocalChainSyncProtocol": false,
+  "TraceLocalErrorPolicy": true,
+  "TraceLocalHandshake": false,
+  "TraceLocalRootPeers": true,
+  "TraceLocalTxSubmissionProtocol": false,
+  "TraceLocalTxSubmissionServer": false,
+  "TraceMempool": true,
+  "TraceMux": false,
+  "TracePeerSelection": true,
+  "TracePeerSelectionActions": true,
+  "TracePublicRootPeers": true,
+  "TraceServer": true,
+  "TraceTxInbound": false,
+  "TraceTxOutbound": false,
+  "TraceTxSubmissionProtocol": false,
+  "TracingVerbosity": "NormalVerbosity",
+  "TurnOnLogMetrics": true,
+  "TurnOnLogging": true,
+  "defaultBackends": [
+    "KatipBK"
+  ],
+  "defaultScribes": [
+    [
+      "StdoutSK",
+      "stdout"
+    ]
+  ],
+  "hasEKG": 12788,
+  "hasPrometheus": [
+    "127.0.0.1",
+    12798
+  ],
+  "minSeverity": "Debug",
+  "options": {
+    "mapBackends": {
+      "cardano.node.metrics": [
+        "EKGViewBK"
+      ],
+      "cardano.node.resources": [
+        "EKGViewBK"
+      ]
+    },
+    "mapSubtrace": {
+      "cardano.node.metrics": {
+        "subtrace": "Neutral"
+      }
+    }
+  },
+  "rotation": {
+    "rpKeepFilesNum": 10,
+    "rpLogLimitBytes": 5000000,
+    "rpMaxAgeHours": 24
+  },
+  "setupBackends": [
+    "KatipBK"
+  ],
+  "setupScribes": [
+    {
+      "scFormat": "ScText",
+      "scKind": "StdoutSK",
+      "scName": "stdout",
+      "scRotation": null
+    }
+  ]
+}
diff --git a/cardano-chain-gen/bench/benchfiles/config/test-db-sync-config.json b/cardano-chain-gen/bench/benchfiles/config/test-db-sync-config.json
new file mode 100644
index 000000000..a99805bd3
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/config/test-db-sync-config.json
@@ -0,0 +1,114 @@
+{
+  "EnableLogMetrics": false,
+  "EnableLogging": true,
+  "NetworkName": "testing",
+  "NodeConfigFile": "test-config.json",
+  "PrometheusPort": 8080,
+  "RequiresNetworkMagic": "RequiresMagic",
+  "defaultBackends": [
+    "KatipBK"
+  ],
+  "defaultScribes": [
+    [
+      "StdoutSK",
+      "stdout"
+    ]
+  ],
+  "minSeverity": "Warning",
+  "options": {
+    "cfokey": {
+      "value": "Release-1.0.0"
+    },
+    "mapBackends": {},
+    "mapSeverity": {
+      "db-sync-node": "Error",
+      "db-sync-node.Mux": "Error",
+      "db-sync-node.Subscription": "Error"
+    },
+    "mapSubtrace": {
+      "#ekgview": {
+        "contents": [
+          [
+            {
+              "contents": "cardano.epoch-validation.benchmark",
+              "tag": "Contains"
+            },
+            [
+              {
+                "contents": ".monoclock.basic.",
+                "tag": "Contains"
+              }
+            ]
+          ],
+          [
+            {
+              "contents": "cardano.epoch-validation.benchmark",
+              "tag": "Contains"
+            },
+            [
+              {
+                "contents": "diff.RTS.cpuNs.timed.",
+                "tag": "Contains"
+              }
+            ]
+          ],
+          [
+            {
+              "contents": "#ekgview.#aggregation.cardano.epoch-validation.benchmark",
+              "tag": "StartsWith"
+            },
+            [
+              {
+                "contents": "diff.RTS.gcNum.timed.",
+                "tag": "Contains"
+              }
+            ]
+          ]
+        ],
+        "subtrace": "FilterTrace"
+      },
+      "#messagecounters.aggregation": {
+        "subtrace": "NoTrace"
+      },
+      "#messagecounters.ekgview": {
+        "subtrace": "NoTrace"
+      },
+      "#messagecounters.katip": {
+        "subtrace": "NoTrace"
+      },
+      "#messagecounters.monitoring": {
+        "subtrace": "NoTrace"
+      },
+      "#messagecounters.switchboard": {
+        "subtrace": "NoTrace"
+      },
+      "benchmark": {
+        "contents": [
+          "GhcRtsStats",
+          "MonotonicClock"
+        ],
+        "subtrace": "ObservableTrace"
+      },
+      "cardano.epoch-validation.utxo-stats": {
+        "subtrace": "NoTrace"
+      }
+    }
+  },
+  "rotation": {
+    "rpKeepFilesNum": 10,
+    "rpLogLimitBytes": 5000000,
+    "rpMaxAgeHours": 24
+  },
+  "setupBackends": [
+    "AggregationBK",
+    "KatipBK"
+  ],
+  "setupScribes": [
+    {
+      "scFormat": "ScText",
+      "scKind": "StdoutSK",
+      "scName": "stdout",
+      "scRotation": null
+    }
+  ]
+}
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_1 b/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_1
new file mode 100644
index 000000000..6e7ea636e
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_1
@@ -0,0 +1 @@
+[0]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_10 b/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_10
new file mode 100644
index 000000000..57041f55f
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_10
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_100 b/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_100
new file mode 100644
index 000000000..8b6e0e180
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_100
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_500 b/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_500
new file mode 100644
index 000000000..ba054d4ce
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createMaTxOut_500
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469,1480,1481,1482,1485,1492,1502,1504,1506,1512,1519,1524,1534,1537,1544,1545,1553,1559,1564,1565,1571,1578,1580,1583,1586,1587,1594,1597,1599,1605,1606,1609,1611,1613,1617,1623,1627,1630,1633,1634,1635,1640,1650,1655,1664,1666,1668,1670,1674,1682,1683,1684,1687,1697,1702,1710,1711,1712,1715,1718,1729,1739,1745,1750,1754,1757,1762,1775,1781,1794,1797,1801,1803,1808,1809,1812,1814,1820,1824,1825,1827,1832,1836,1854,1858,1865,1869,1872,1888,1890,1891,1892,1895,1905,1911,1917,1920,1921,1922,1928,1933,1943,1944,1962,1987,1992,1994,1998,2003,2008,2034,2037,2041,2043,2048,2051,2063,2065,2068,2070,2086,2099,2109,2122,2124,2127,2128,2129,2149,2152,2154,2160,2161,2162,2163,2168,2171,2175,2176,2180,2187,2191,2194,2201,2202,2203,2205,2206,2208,2218,2222,2229,2236,2238,2258,2266,2285,2289,2290,2293,2295,2299,2302,2308,2309,2311,2317,2325,2332,2333,2335,2337,2339,2341,2351,2357,2360,2361,2364,2366,2380,2383,2384,2386,2396,2397,2423,2429,2435,2438,2442,2448,2449,2458,2459,2463,2465,2470,2474,2477,2479]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_1 b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_1
new file mode 100644
index 000000000..6e7ea636e
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_1
@@ -0,0 +1 @@
+[0]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_10 b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_10
new file mode 100644
index 000000000..57041f55f
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_10
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_100 b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_100
new file mode 100644
index 000000000..8b6e0e180
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_100
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_1000 b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_1000
new file mode 100644
index 000000000..8cb901246
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO'_1000
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469,1480,1481,1482,1485,1492,1502,1504,1506,1512,1519,1524,1534,1537,1544,1545,1553,1559,1564,1565,1571,1578,1580,1583,1586,1587,1594,1597,1599,1605,1606,1609,1611,1613,1617,1623,1627,1630,1633,1634,1635,1640,1650,1655,1664,1666,1668,1670,1674,1682,1683,1684,1687,1697,1702,1710,1711,1712,1715,1718,1729,1739,1745,1750,1754,1757,1762,1775,1781,1794,1797,1801,1803,1808,1809,1812,1814,1820,1824,1825,1827,1832,1836,1854,1858,1865,1869,1872,1888,1890,1891,1892,1895,1905,1911,1917,1920,1921,1922,1928,1933,1943,1944,1962,1987,1992,1994,1998,2003,2008,2034,2037,2041,2043,2048,2051,2063,2065,2068,2070,2086,2099,2109,2122,2124,2127,2128,2129,2149,2152,2154,2160,2161,2162,2163,2168,2171,2175,2176,2180,2187,2191,2194,2201,2202,2203,2205,2206,2208,2218,2222,2229,2236,2238,2258,2266,2285,2289,2290,2293,2295,2299,2302,2308,2309,2311,2317,2325,2332,2333,2335,2337,2339,2341,2351,2357,2360,2361,2364,2366,2380,2383,2384,2386,2396,2397,2423,2429,2435,2438,2442,2448,2449,2458,2459,2463,2465,2470,2474,2477,2479,2491,2494,2496,2497,2499,2500,2505,2506,2509,2512,2519,2523,2540,2544,2546,2556,2558,2561,2562,2563,2566,2568,2569,2574,2580,2582,2600,2601,2605,2608,2620,2629,2633,2634,2637,2642,2654,2659,2660,2666,2673,2675,2683,2691,2693,2695,2697,2698,2699,2703,2705,2706,2709,2716,2717,2725,2726,2727,2731,2748,2758,2761,2767,2768,2777,2780,2787,2807,2811,2816,2818,2826,2830,2834,2835,2837,2842,2843,2846,2847,2849,2850,2854,2856,2857,2858,2860,2864,2867,2869,2872,2874,2879,2881,2887,2891,2898,2901,2903,2907,2909,2910,2933,2937,2941,2945,2947,2961,2969,2974,2975,2977,2980,2984,2990,3014,3023,3027,3036,3040,3042,3043,3050,3059,3063,3064,3068,3071,3073,3074,3087,3100,3103,3104,3111,3114,3123,3127,3131,3140,3143,3144,3150,3155,3157,3163,3169,3172,3179,3180,3193,3197,3200,3206,3211,3218,3220,3222,3232,3233,3234,3238,3249,3255,3256,3260,3280,3289,3291,3294,3299,3300,3301,3303,3308,3314,3322,3330,3333,3338,3343,3346,3352,3356,3357,3362,3365,3371,3379,3381,3383,3396,3398,3411,3413,3427,3440,3446,3457,3459,3461,3466,3471,3488,3490,3495,3496,3500,3506,3507,3509,3524,3539,3548,3555,3559,3569,3571,3575,3576,3578,3589,3595,3599,3600,3606,3608,3610,3611,3612,3616,3625,3628,3636,3649,3651,3657,3670,3673,3677,3688,3702,3706,3707,3709,3718,3736,3768,3776,3778,3785,3786,3787,3794,3802,3803,3810,3812,3819,3821,3822,3834,3844,3847,3848,3854,3856,3862,3863,3867,3869,3873,3876,3878,3879,3880,3881,3886,3888,3889,3891,3893,3903,3906,3912,3913,3916,3918,3920,3925,3926,3929,3938,3946,3956,3957,3964,3969,3980,3987,3990,3991,3997,4004,4005,4013,4014,4015,4019,4020,4023,4035,4039,4041,4048,4055,4057,4066,4071,4072,4083,4084,4090,4091,4092,4096,4125,4128,4137,4143,4145,4150,4151,4152,4158,4159,4166,4169,4174,4175,4183,4185,4189,4190,4194,4195,4196,4198,4201,4203,4210,4211,4217,4221,4222,4225,4228,4233,4240,4253,4256,4258,4261,4263,4265,4283,4287,4303,4306,4312,4314,4318,4323,4326,4333,4334,4335,4343,4345,4347,4350,4366,4374,4382,4401,4402,4405,4406,4419,4423,4425,4430,4432,4436,4440,4444,4446,4462,4467,4468,4472,4474,4484,4490,4497,4500,4502,4509,4510,4514,4516,4517,4519,4523,4534,4536,4544,4548,4556,4560,4572,4581,4584,4585,4602,4604,4607,4609,4612,4616,4620,4623,4625,4629,4631,4636,4638,4656,4664,4665,4666,4667,4669,4671,4673,4677,4679,4682,4688,4693,4698,4704,4715,4725,4727,4729,4733,4736,4743,4746,4747,4748,4752,4753,4757,4758,4760,4761,4767,4779,4785,4790,4793,4794,4795,4800,4804,4816,4820,4830,4835,4842,4843,4848,4851,4852,4853,4861,4864,4868,4873,4893,4900,4904,4905,4913,4914,4922,4934,4942]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_1 b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_1
new file mode 100644
index 000000000..6e7ea636e
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_1
@@ -0,0 +1 @@
+[0]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_10 b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_10
new file mode 100644
index 000000000..57041f55f
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_10
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_100 b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_100
new file mode 100644
index 000000000..8b6e0e180
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_100
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_1000 b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_1000
new file mode 100644
index 000000000..8cb901246
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/createUTXO_1000
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469,1480,1481,1482,1485,1492,1502,1504,1506,1512,1519,1524,1534,1537,1544,1545,1553,1559,1564,1565,1571,1578,1580,1583,1586,1587,1594,1597,1599,1605,1606,1609,1611,1613,1617,1623,1627,1630,1633,1634,1635,1640,1650,1655,1664,1666,1668,1670,1674,1682,1683,1684,1687,1697,1702,1710,1711,1712,1715,1718,1729,1739,1745,1750,1754,1757,1762,1775,1781,1794,1797,1801,1803,1808,1809,1812,1814,1820,1824,1825,1827,1832,1836,1854,1858,1865,1869,1872,1888,1890,1891,1892,1895,1905,1911,1917,1920,1921,1922,1928,1933,1943,1944,1962,1987,1992,1994,1998,2003,2008,2034,2037,2041,2043,2048,2051,2063,2065,2068,2070,2086,2099,2109,2122,2124,2127,2128,2129,2149,2152,2154,2160,2161,2162,2163,2168,2171,2175,2176,2180,2187,2191,2194,2201,2202,2203,2205,2206,2208,2218,2222,2229,2236,2238,2258,2266,2285,2289,2290,2293,2295,2299,2302,2308,2309,2311,2317,2325,2332,2333,2335,2337,2339,2341,2351,2357,2360,2361,2364,2366,2380,2383,2384,2386,2396,2397,2423,2429,2435,2438,2442,2448,2449,2458,2459,2463,2465,2470,2474,2477,2479,2491,2494,2496,2497,2499,2500,2505,2506,2509,2512,2519,2523,2540,2544,2546,2556,2558,2561,2562,2563,2566,2568,2569,2574,2580,2582,2600,2601,2605,2608,2620,2629,2633,2634,2637,2642,2654,2659,2660,2666,2673,2675,2683,2691,2693,2695,2697,2698,2699,2703,2705,2706,2709,2716,2717,2725,2726,2727,2731,2748,2758,2761,2767,2768,2777,2780,2787,2807,2811,2816,2818,2826,2830,2834,2835,2837,2842,2843,2846,2847,2849,2850,2854,2856,2857,2858,2860,2864,2867,2869,2872,2874,2879,2881,2887,2891,2898,2901,2903,2907,2909,2910,2933,2937,2941,2945,2947,2961,2969,2974,2975,2977,2980,2984,2990,3014,3023,3027,3036,3040,3042,3043,3050,3059,3063,3064,3068,3071,3073,3074,3087,3100,3103,3104,3111,3114,3123,3127,3131,3140,3143,3144,3150,3155,3157,3163,3169,3172,3179,3180,3193,3197,3200,3206,3211,3218,3220,3222,3232,3233,3234,3238,3249,3255,3256,3260,3280,3289,3291,3294,3299,3300,3301,3303,3308,3314,3322,3330,3333,3338,3343,3346,3352,3356,3357,3362,3365,3371,3379,3381,3383,3396,3398,3411,3413,3427,3440,3446,3457,3459,3461,3466,3471,3488,3490,3495,3496,3500,3506,3507,3509,3524,3539,3548,3555,3559,3569,3571,3575,3576,3578,3589,3595,3599,3600,3606,3608,3610,3611,3612,3616,3625,3628,3636,3649,3651,3657,3670,3673,3677,3688,3702,3706,3707,3709,3718,3736,3768,3776,3778,3785,3786,3787,3794,3802,3803,3810,3812,3819,3821,3822,3834,3844,3847,3848,3854,3856,3862,3863,3867,3869,3873,3876,3878,3879,3880,3881,3886,3888,3889,3891,3893,3903,3906,3912,3913,3916,3918,3920,3925,3926,3929,3938,3946,3956,3957,3964,3969,3980,3987,3990,3991,3997,4004,4005,4013,4014,4015,4019,4020,4023,4035,4039,4041,4048,4055,4057,4066,4071,4072,4083,4084,4090,4091,4092,4096,4125,4128,4137,4143,4145,4150,4151,4152,4158,4159,4166,4169,4174,4175,4183,4185,4189,4190,4194,4195,4196,4198,4201,4203,4210,4211,4217,4221,4222,4225,4228,4233,4240,4253,4256,4258,4261,4263,4265,4283,4287,4303,4306,4312,4314,4318,4323,4326,4333,4334,4335,4343,4345,4347,4350,4366,4374,4382,4401,4402,4405,4406,4419,4423,4425,4430,4432,4436,4440,4444,4446,4462,4467,4468,4472,4474,4484,4490,4497,4500,4502,4509,4510,4514,4516,4517,4519,4523,4534,4536,4544,4548,4556,4560,4572,4581,4584,4585,4602,4604,4607,4609,4612,4616,4620,4623,4625,4629,4631,4636,4638,4656,4664,4665,4666,4667,4669,4671,4673,4677,4679,4682,4688,4693,4698,4704,4715,4725,4727,4729,4733,4736,4743,4746,4747,4748,4752,4753,4757,4758,4760,4761,4767,4779,4785,4790,4793,4794,4795,4800,4804,4816,4820,4830,4835,4842,4843,4848,4851,4852,4853,4861,4864,4868,4873,4893,4900,4904,4905,4913,4914,4922,4934,4942]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_1 b/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_1
new file mode 100644
index 000000000..df965face
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_1
@@ -0,0 +1 @@
+[0,1,9]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_10 b/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_10
new file mode 100644
index 000000000..495236454
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_10
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_100 b/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_100
new file mode 100644
index 000000000..cecab0676
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_100
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_400 b/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_400
new file mode 100644
index 000000000..518717669
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/delegateAndSend_400
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469,1480,1481,1482,1485,1492,1502,1504,1506,1512,1519,1524,1534,1537,1544,1545,1553,1559,1564,1565,1571,1578,1580,1583,1586,1587,1594,1597,1599,1605,1606,1609,1611,1613,1617,1623,1627,1630,1633,1634,1635,1640,1650,1655,1664,1666,1668,1670,1674,1682,1683,1684,1687,1697,1702,1710,1711,1712,1715,1718,1729,1739,1745,1750,1754,1757,1762,1775,1781,1794,1797,1801,1803,1808,1809,1812,1814,1820,1824,1825,1827,1832,1836,1854,1858,1865,1869,1872,1888,1890,1891,1892,1895,1905,1911,1917,1920,1921,1922,1928,1933,1943,1944,1962,1987,1992,1994,1998,2003,2008,2034,2037,2041,2043,2048,2051,2063,2065,2068,2070,2086,2099,2109,2122,2124,2127,2128,2129,2149,2152,2154,2160,2161,2162,2163,2168,2171,2175,2176,2180,2187,2191,2194,2201,2202,2203,2205,2206,2208,2218,2222,2229,2236,2238,2258,2266,2285,2289,2290,2293,2295,2299,2302,2308,2309,2311,2317,2325,2332,2333,2335,2337,2339,2341,2351,2357,2360,2361,2364,2366,2380,2383,2384,2386,2396,2397,2423,2429,2435,2438,2442,2448,2449,2458,2459,2463,2465,2470,2474,2477,2479,2491,2494,2496,2497,2499,2500,2505,2506,2509,2512,2519,2523,2540,2544,2546,2556,2558,2561,2562,2563,2566,2568,2569,2574,2580,2582,2600,2601,2605,2608,2620,2629,2633,2634,2637,2642,2654,2659,2660,2666,2673,2675,2683,2691,2693,2695,2697,2698,2699,2703,2705,2706,2709,2716,2717,2725,2726,2727,2731,2748,2758,2761,2767,2768,2777,2780,2787,2807,2811,2816,2818,2826,2830,2834,2835,2837,2842,2843,2846,2847,2849,2850,2854,2856,2857,2858,2860,2864,2867,2869,2872,2874,2879,2881,2887,2891,2898,2901,2903,2907,2909,2910,2933,2937,2941,2945,2947,2961,2969,2974,2975,2977,2980,2984,2990,3014,3023,3027,3036,3040,3042,3043,3050,3059,3063,3064,3068,3071,3073,3074,3087,3100,3103,3104,3111,3114,3123,3127,3131,3140,3143,3144,3150,3155,3157,3163,3169,3172,3179,3180,3193,3197,3200,3206,3211,3218,3220,3222,3232,3233,3234,3238,3249,3255,3256,3260,3280,3289,3291,3294,3299,3300,3301,3303,3308,3314,3322,3330,3333,3338,3343,3346,3352,3356,3357,3362,3365,3371,3379,3381,3383,3396,3398,3411,3413,3427,3440,3446,3457,3459,3461,3466,3471,3488,3490,3495,3496,3500,3506,3507,3509,3524,3539,3548,3555,3559,3569,3571,3575,3576,3578,3589,3595,3599,3600,3606,3608,3610,3611,3612,3616,3625,3628,3636,3649,3651,3657,3670,3673,3677,3688,3702,3706,3707,3709,3718,3736,3768,3776,3778,3785,3786,3787,3794,3802,3803,3810,3812,3819,3821,3822,3834,3844,3847,3848,3854,3856,3862,3863,3867,3869,3873,3876,3878,3879,3880,3881,3886,3888,3889,3891,3893,3903,3906,3912,3913,3916,3918,3920,3925,3926,3929,3938,3946,3956,3957,3964,3969,3980,3987,3990,3991,3997,4004,4005,4013,4014,4015,4019,4020,4023,4035,4039,4041,4048,4055,4057,4066,4071,4072,4083,4084,4090,4091,4092,4096,4125,4128,4137,4143,4145,4150,4151,4152,4158,4159,4166,4169,4174,4175,4183,4185,4189,4190,4194,4195,4196,4198,4201,4203,4210,4211,4217,4221,4222,4225,4228,4233,4240,4253,4256,4258,4261,4263,4265,4283,4287,4303,4306,4312,4314,4318,4323,4326,4333,4334,4335,4343,4345,4347,4350,4366,4374,4382,4401,4402,4405,4406,4419,4423,4425,4430,4432,4436,4440,4444,4446,4462,4467,4468,4472,4474,4484,4490,4497,4500,4502,4509,4510,4514,4516,4517,4519,4523,4534,4536,4544,4548,4556,4560,4572,4581,4584,4585,4602,4604,4607,4609,4612,4616,4620,4623,4625,4629,4631,4636,4638,4656,4664,4665,4666,4667,4669,4671,4673,4677,4679,4682,4688,4693,4698,4704,4715,4725,4727,4729,4733,4736,4743,4746,4747,4748,4752,4753,4757,4758,4760,4761,4767,4779,4785,4790,4793,4794,4795,4800,4804,4816,4820,4830,4835,4842,4843,4848,4851,4852,4853,4861,4864,4868,4873,4893,4900,4904,4905,4913,4914,4922,4934,4942,4945,4955,4959,4960,4978,4979,4986,4989,4996,5009,5016,5025,5028,5031,5035,5036,5040,5043,5047,5050,5053,5061,5063,5064,5068,5070,5073,5077,5095,5104,5107,5114,5117,5118,5120,5127,5132,5134,5148,5149,5159,5163,5164,5166,5171,5174,5175,5178,5185,5187,5200,5202,5212,5221,5224,5225,5229,5237,5242,5268,5276,5283,5287,5290,5299,5300,5301,5307,5318,5321,5322,5323,5361,5365,5366,5382,5389,5394,5398,5409,5410,5414,5417,5418,5431,5441,5443,5453,5456,5465,5468,5470,5480,5494,5500,5510,5519,5523,5532,5534,5535,5539,5543,5544,5546,5555,5558,5560,5562,5567,5568,5583,5585,5594,5600,5602,5606,5608,5611,5612,5615,5616,5617,5636,5639,5641,5650,5659,5664,5670,5672,5676,5679,5680,5688,5689,5692,5693,5694,5706,5709,5714,5715,5728,5729,5730,5734,5735,5739,5752,5755,5759,5776,5782,5783,5784,5792,5796,5799,5800,5803,5808,5810,5815,5818,5821,5824,5830,5835,5845,5847,5849,5861,5863,5867,5869,5874,5893,5897,5899,5900,5902,5903,5904,5906,5911,5924,5934,5939,5943,5947,5951,5963,5966,5968,5980,5985,5987,5992,5994]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_10 b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_10
new file mode 100644
index 000000000..57041f55f
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_10
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_100 b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_100
new file mode 100644
index 000000000..8b6e0e180
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_100
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_10000 b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_10000
new file mode 100644
index 000000000..261c516b1
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_10000
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\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_50 b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_50
new file mode 100644
index 000000000..fb966492b
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_50
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_500 b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_500
new file mode 100644
index 000000000..ba054d4ce
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_500
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469,1480,1481,1482,1485,1492,1502,1504,1506,1512,1519,1524,1534,1537,1544,1545,1553,1559,1564,1565,1571,1578,1580,1583,1586,1587,1594,1597,1599,1605,1606,1609,1611,1613,1617,1623,1627,1630,1633,1634,1635,1640,1650,1655,1664,1666,1668,1670,1674,1682,1683,1684,1687,1697,1702,1710,1711,1712,1715,1718,1729,1739,1745,1750,1754,1757,1762,1775,1781,1794,1797,1801,1803,1808,1809,1812,1814,1820,1824,1825,1827,1832,1836,1854,1858,1865,1869,1872,1888,1890,1891,1892,1895,1905,1911,1917,1920,1921,1922,1928,1933,1943,1944,1962,1987,1992,1994,1998,2003,2008,2034,2037,2041,2043,2048,2051,2063,2065,2068,2070,2086,2099,2109,2122,2124,2127,2128,2129,2149,2152,2154,2160,2161,2162,2163,2168,2171,2175,2176,2180,2187,2191,2194,2201,2202,2203,2205,2206,2208,2218,2222,2229,2236,2238,2258,2266,2285,2289,2290,2293,2295,2299,2302,2308,2309,2311,2317,2325,2332,2333,2335,2337,2339,2341,2351,2357,2360,2361,2364,2366,2380,2383,2384,2386,2396,2397,2423,2429,2435,2438,2442,2448,2449,2458,2459,2463,2465,2470,2474,2477,2479]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_5000 b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_5000
new file mode 100644
index 000000000..6506f2ea9
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/emptyBlock_5000
@@ -0,0 +1 @@
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2,22937,22940,22960,22967,22971,22990,22991,22993,22994,23006,23021,23022,23029,23031,23032,23034,23035,23039,23055,23085,23086,23093,23102,23105,23107,23110,23114,23125,23144,23148,23150,23156,23169,23170,23186,23195,23207,23208,23210,23221,23231,23233,23234,23240,23241,23248,23258,23268,23269,23271,23273,23275,23277,23284,23285,23292,23295,23297,23302,23327,23330,23331,23333,23350,23351,23356,23359,23363,23369,23370,23372,23377,23383,23384,23385,23386,23394,23413,23425,23427,23433,23435,23436,23437,23438,23439,23444,23451,23467,23474,23475,23477,23478,23481,23484,23490,23491,23492,23499,23504,23509,23511,23514,23527,23528,23530,23546,23547,23548,23556,23558,23564,23566,23567,23569,23570,23571,23578,23579,23582,23592,23596,23607,23608,23611,23613,23617,23619,23620,23623,23626,23641,23653,23654,23666,23671,23673,23685,23688,23691,23695,23700,23701,23705,23708,23712,23714,23717,23721,23724,23731,23732,23736,23738,23739,23741,23744,23749,23752,23763,23768,23774,23778,23779,23781,23782,23785,23787,23790,23792,23808,23809,23811,23814,23815,23816,23818,23820,23832,23839,23842,23843,23847,23848,23854,23855,23859,23861,23863,23865,23866,23867,23870,23874,23885,23889,23890,23892,23895,23896,23905,23907,23909,23913,23922,23924,23926,23930,23936,23940,23942,23947,23952,23970,23983,23985,23994,23999,24004,24006,24017,24018,24032,24034,24036,24053,24054,24058,24063,24070,24075,24084,24085,24089,24091,24092,24108,24114,24123,24126,24128,24131,24136,24143,24149,24151,24153,24163,24167,24175,24181,24185,24190,24191,24192,24203,24204,24205,24208,24209,24217,24218,24223,24225,24226,24242,24246,24249,24256,24257,24262,24267,24282,24290,24291,24293,24295,24300,24301,24313,24314,24318,24320,24327,24328,24329,24330,24338,24344,24360,24368,24387,24395,24399,24400,24408,24414,24426,24429,24430,24432,24448,24456,24457,24463,24468,24470,24473,24476,24478,24487,24489,24492,24499,24504,24507,24509,24512,24517,24518,24522,24524,24526,24533,24547,24559,24560,24561,24563,24568,24572,24576,24577,24578,24580,24583,24586,24596,24604,24606,24607,24617,24625,24636,24649,24653,24657,24662,24678,24679,24683,24690,24691,24692,24696,24698,24700,24709,24711,24713,24715,24722,24728,24732,24734,24743,24746,24754,24763,24764,24769,24770,24772,24775,24777,24783,24788,24790,24793,24796,24817,24818,24829,24830,24834,24842,24859,24865,24867,24874,24879,24888,24889,24894,24901,24903,24904,24906,24921,24922,24943,24951,24952,24953,24955,24957,24959,24963,24964,24968,24971,24981,24982,24988,24998,25004,25006,25007,25018,25024,25027,25030,25033,25035,25051,25057,25058,25059,25061,25067,25075,25076,25077,25080,25084,25091,25115,25118,25124,25131,25134,25135,25139,25142,25157,25169,25170,25178,25180,25185,25188,25189,25196,25205,25210,25216,25219,25221]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_1 b/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_1
new file mode 100644
index 000000000..6e7ea636e
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_1
@@ -0,0 +1 @@
+[0]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_10 b/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_10
new file mode 100644
index 000000000..57041f55f
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_10
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_100 b/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_100
new file mode 100644
index 000000000..8b6e0e180
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_100
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_200 b/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_200
new file mode 100644
index 000000000..ec6e5d49a
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/registerAddressess_200
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_1 b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_1
new file mode 100644
index 000000000..df965face
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_1
@@ -0,0 +1 @@
+[0,1,9]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_10 b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_10
new file mode 100644
index 000000000..495236454
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_10
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_100 b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_100
new file mode 100644
index 000000000..cecab0676
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_100
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_400 b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_400
new file mode 100644
index 000000000..518717669
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackDelegateAndSend_400
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469,1480,1481,1482,1485,1492,1502,1504,1506,1512,1519,1524,1534,1537,1544,1545,1553,1559,1564,1565,1571,1578,1580,1583,1586,1587,1594,1597,1599,1605,1606,1609,1611,1613,1617,1623,1627,1630,1633,1634,1635,1640,1650,1655,1664,1666,1668,1670,1674,1682,1683,1684,1687,1697,1702,1710,1711,1712,1715,1718,1729,1739,1745,1750,1754,1757,1762,1775,1781,1794,1797,1801,1803,1808,1809,1812,1814,1820,1824,1825,1827,1832,1836,1854,1858,1865,1869,1872,1888,1890,1891,1892,1895,1905,1911,1917,1920,1921,1922,1928,1933,1943,1944,1962,1987,1992,1994,1998,2003,2008,2034,2037,2041,2043,2048,2051,2063,2065,2068,2070,2086,2099,2109,2122,2124,2127,2128,2129,2149,2152,2154,2160,2161,2162,2163,2168,2171,2175,2176,2180,2187,2191,2194,2201,2202,2203,2205,2206,2208,2218,2222,2229,2236,2238,2258,2266,2285,2289,2290,2293,2295,2299,2302,2308,2309,2311,2317,2325,2332,2333,2335,2337,2339,2341,2351,2357,2360,2361,2364,2366,2380,2383,2384,2386,2396,2397,2423,2429,2435,2438,2442,2448,2449,2458,2459,2463,2465,2470,2474,2477,2479,2491,2494,2496,2497,2499,2500,2505,2506,2509,2512,2519,2523,2540,2544,2546,2556,2558,2561,2562,2563,2566,2568,2569,2574,2580,2582,2600,2601,2605,2608,2620,2629,2633,2634,2637,2642,2654,2659,2660,2666,2673,2675,2683,2691,2693,2695,2697,2698,2699,2703,2705,2706,2709,2716,2717,2725,2726,2727,2731,2748,2758,2761,2767,2768,2777,2780,2787,2807,2811,2816,2818,2826,2830,2834,2835,2837,2842,2843,2846,2847,2849,2850,2854,2856,2857,2858,2860,2864,2867,2869,2872,2874,2879,2881,2887,2891,2898,2901,2903,2907,2909,2910,2933,2937,2941,2945,2947,2961,2969,2974,2975,2977,2980,2984,2990,3014,3023,3027,3036,3040,3042,3043,3050,3059,3063,3064,3068,3071,3073,3074,3087,3100,3103,3104,3111,3114,3123,3127,3131,3140,3143,3144,3150,3155,3157,3163,3169,3172,3179,3180,3193,3197,3200,3206,3211,3218,3220,3222,3232,3233,3234,3238,3249,3255,3256,3260,3280,3289,3291,3294,3299,3300,3301,3303,3308,3314,3322,3330,3333,3338,3343,3346,3352,3356,3357,3362,3365,3371,3379,3381,3383,3396,3398,3411,3413,3427,3440,3446,3457,3459,3461,3466,3471,3488,3490,3495,3496,3500,3506,3507,3509,3524,3539,3548,3555,3559,3569,3571,3575,3576,3578,3589,3595,3599,3600,3606,3608,3610,3611,3612,3616,3625,3628,3636,3649,3651,3657,3670,3673,3677,3688,3702,3706,3707,3709,3718,3736,3768,3776,3778,3785,3786,3787,3794,3802,3803,3810,3812,3819,3821,3822,3834,3844,3847,3848,3854,3856,3862,3863,3867,3869,3873,3876,3878,3879,3880,3881,3886,3888,3889,3891,3893,3903,3906,3912,3913,3916,3918,3920,3925,3926,3929,3938,3946,3956,3957,3964,3969,3980,3987,3990,3991,3997,4004,4005,4013,4014,4015,4019,4020,4023,4035,4039,4041,4048,4055,4057,4066,4071,4072,4083,4084,4090,4091,4092,4096,4125,4128,4137,4143,4145,4150,4151,4152,4158,4159,4166,4169,4174,4175,4183,4185,4189,4190,4194,4195,4196,4198,4201,4203,4210,4211,4217,4221,4222,4225,4228,4233,4240,4253,4256,4258,4261,4263,4265,4283,4287,4303,4306,4312,4314,4318,4323,4326,4333,4334,4335,4343,4345,4347,4350,4366,4374,4382,4401,4402,4405,4406,4419,4423,4425,4430,4432,4436,4440,4444,4446,4462,4467,4468,4472,4474,4484,4490,4497,4500,4502,4509,4510,4514,4516,4517,4519,4523,4534,4536,4544,4548,4556,4560,4572,4581,4584,4585,4602,4604,4607,4609,4612,4616,4620,4623,4625,4629,4631,4636,4638,4656,4664,4665,4666,4667,4669,4671,4673,4677,4679,4682,4688,4693,4698,4704,4715,4725,4727,4729,4733,4736,4743,4746,4747,4748,4752,4753,4757,4758,4760,4761,4767,4779,4785,4790,4793,4794,4795,4800,4804,4816,4820,4830,4835,4842,4843,4848,4851,4852,4853,4861,4864,4868,4873,4893,4900,4904,4905,4913,4914,4922,4934,4942,4945,4955,4959,4960,4978,4979,4986,4989,4996,5009,5016,5025,5028,5031,5035,5036,5040,5043,5047,5050,5053,5061,5063,5064,5068,5070,5073,5077,5095,5104,5107,5114,5117,5118,5120,5127,5132,5134,5148,5149,5159,5163,5164,5166,5171,5174,5175,5178,5185,5187,5200,5202,5212,5221,5224,5225,5229,5237,5242,5268,5276,5283,5287,5290,5299,5300,5301,5307,5318,5321,5322,5323,5361,5365,5366,5382,5389,5394,5398,5409,5410,5414,5417,5418,5431,5441,5443,5453,5456,5465,5468,5470,5480,5494,5500,5510,5519,5523,5532,5534,5535,5539,5543,5544,5546,5555,5558,5560,5562,5567,5568,5583,5585,5594,5600,5602,5606,5608,5611,5612,5615,5616,5617,5636,5639,5641,5650,5659,5664,5670,5672,5676,5679,5680,5688,5689,5692,5693,5694,5706,5709,5714,5715,5728,5729,5730,5734,5735,5739,5752,5755,5759,5776,5782,5783,5784,5792,5796,5799,5800,5803,5808,5810,5815,5818,5821,5824,5830,5835,5845,5847,5849,5861,5863,5867,5869,5874,5893,5897,5899,5900,5902,5903,5904,5906,5911,5924,5934,5939,5943,5947,5951,5963,5966,5968,5980,5985,5987,5992,5994]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_1 b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_1
new file mode 100644
index 000000000..6e7ea636e
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_1
@@ -0,0 +1 @@
+[0]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_10 b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_10
new file mode 100644
index 000000000..57041f55f
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_10
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_100 b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_100
new file mode 100644
index 000000000..8b6e0e180
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_100
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_500 b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_500
new file mode 100644
index 000000000..ba054d4ce
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/fingerprint/rollbackMaTxOut_500
@@ -0,0 +1 @@
+[0,1,9,14,23,28,29,31,34,69,74,75,80,82,84,88,95,98,104,106,108,113,115,127,129,144,146,147,151,153,161,163,171,176,177,178,179,186,189,195,197,198,204,207,210,211,212,213,219,222,226,233,241,252,265,266,274,290,291,294,295,298,304,305,309,312,314,317,326,328,329,332,333,336,346,351,352,357,365,367,385,387,391,400,401,404,411,413,414,424,427,430,436,444,449,455,458,460,461,462,473,474,476,477,482,491,497,498,499,502,506,507,514,521,547,563,566,575,578,581,594,599,602,607,614,623,631,638,639,641,649,652,653,654,665,666,670,672,673,682,683,688,692,696,700,701,708,710,714,725,735,737,746,750,763,772,776,783,793,795,797,802,804,817,818,822,824,826,827,832,834,836,841,847,851,855,861,868,870,873,876,877,882,883,891,894,905,908,913,915,925,934,942,943,949,956,960,967,968,974,980,987,998,1002,1004,1005,1012,1016,1019,1022,1023,1035,1036,1037,1039,1040,1051,1057,1058,1061,1064,1067,1074,1089,1091,1094,1096,1099,1104,1105,1107,1109,1121,1125,1133,1140,1145,1147,1148,1150,1153,1155,1159,1160,1172,1179,1185,1187,1194,1195,1201,1202,1211,1212,1216,1217,1221,1223,1233,1234,1235,1240,1241,1243,1250,1253,1259,1272,1273,1278,1280,1286,1289,1295,1298,1304,1310,1313,1320,1325,1328,1331,1332,1361,1379,1380,1382,1398,1402,1408,1411,1433,1436,1438,1449,1453,1454,1464,1468,1469,1480,1481,1482,1485,1492,1502,1504,1506,1512,1519,1524,1534,1537,1544,1545,1553,1559,1564,1565,1571,1578,1580,1583,1586,1587,1594,1597,1599,1605,1606,1609,1611,1613,1617,1623,1627,1630,1633,1634,1635,1640,1650,1655,1664,1666,1668,1670,1674,1682,1683,1684,1687,1697,1702,1710,1711,1712,1715,1718,1729,1739,1745,1750,1754,1757,1762,1775,1781,1794,1797,1801,1803,1808,1809,1812,1814,1820,1824,1825,1827,1832,1836,1854,1858,1865,1869,1872,1888,1890,1891,1892,1895,1905,1911,1917,1920,1921,1922,1928,1933,1943,1944,1962,1987,1992,1994,1998,2003,2008,2034,2037,2041,2043,2048,2051,2063,2065,2068,2070,2086,2099,2109,2122,2124,2127,2128,2129,2149,2152,2154,2160,2161,2162,2163,2168,2171,2175,2176,2180,2187,2191,2194,2201,2202,2203,2205,2206,2208,2218,2222,2229,2236,2238,2258,2266,2285,2289,2290,2293,2295,2299,2302,2308,2309,2311,2317,2325,2332,2333,2335,2337,2339,2341,2351,2357,2360,2361,2364,2366,2380,2383,2384,2386,2396,2397,2423,2429,2435,2438,2442,2448,2449,2458,2459,2463,2465,2470,2474,2477,2479]
\ No newline at end of file
diff --git a/cardano-chain-gen/bench/benchfiles/pgpass-bench b/cardano-chain-gen/bench/benchfiles/pgpass-bench
new file mode 100644
index 000000000..e42d64610
--- /dev/null
+++ b/cardano-chain-gen/bench/benchfiles/pgpass-bench
@@ -0,0 +1 @@
+/var/run/postgresql:5432:bench:*:*
diff --git a/cardano-chain-gen/cardano-chain-gen.cabal b/cardano-chain-gen/cardano-chain-gen.cabal
index 286fe6468..9f95dbb2e 100644
--- a/cardano-chain-gen/cardano-chain-gen.cabal
+++ b/cardano-chain-gen/cardano-chain-gen.cabal
@@ -44,12 +44,16 @@ library
                         Cardano.Mock.ChainDB
                         Cardano.Mock.ChainSync.Server
                         Cardano.Mock.ChainSync.State
+                        Cardano.Mock.Db.Config
+                        Cardano.Mock.Db.Validate
+                        Cardano.Mock.Forging.Examples
                         Cardano.Mock.Forging.Interpreter
                         Cardano.Mock.Forging.Tx.Alonzo
                         Cardano.Mock.Forging.Tx.Alonzo.ScriptsExamples
                         Cardano.Mock.Forging.Tx.Generic
                         Cardano.Mock.Forging.Tx.Shelley
                         Cardano.Mock.Forging.Types
+                        Cardano.Mock.UnifiedApi
 
   build-depends:        base                            >= 4.14         && < 4.16
                       , async
@@ -63,6 +67,10 @@ library
                       , cardano-crypto-class
                       , cardano-crypto-praos
                       , cardano-crypto-wrapper
+                      , cardano-cli
+                      , cardano-db
+                      , cardano-db-sync
+                      , cardano-smash-server
                       , cardano-ledger-alonzo
                       , cardano-ledger-byron
                       , cardano-ledger-core
@@ -90,6 +98,7 @@ library
                       , memory
                       , mtl
                       , monad-control
+                      , monad-logger
                       , network-mux
                       , nothunks
                       , ouroboros-consensus
@@ -102,11 +111,13 @@ library
                       , persistent-postgresql
                       , plutus-core
                       , plutus-example
+                      , postgresql-simple
                       , pretty-show
                       , prometheus
                       , random-shuffle
                       , serialise
                       , set-algebra
+                      , silently
                       , small-steps
                       , split
                       , stm
@@ -114,6 +125,7 @@ library
                       , strict-containers
                       , strict-stm
                       , swagger2
+                      , tasty-hunit
                       , text
                       , text-ansi
                       , time
@@ -146,11 +158,8 @@ test-suite cardano-chain-gen
   other-modules:        Paths_cardano_chain_gen
                         MigrationValidations
 
-  other-modules:        Test.Cardano.Db.Mock.Config
-                        Test.Cardano.Db.Mock.Examples
+  other-modules:        Test.Cardano.Db.Mock.Examples
                         Test.Cardano.Db.Mock.Unit
-                        Test.Cardano.Db.Mock.UnifiedApi
-                        Test.Cardano.Db.Mock.Validate
 
   build-depends:        async
                       , base                            >= 4.12         && < 4.15
@@ -200,3 +209,55 @@ test-suite cardano-chain-gen
                       , persistent
                       , plutus-example
                       , postgresql-simple
+
+benchmark cardano-chain
+  type:                 exitcode-stdio-1.0
+  default-language:     Haskell2010
+  main-is:              Main.hs
+  hs-source-dirs:       gen
+  hs-source-dirs:       bench
+
+  ghc-options:          -Wall
+                        -Wcompat
+                        -fwarn-redundant-constraints
+                        -fwarn-incomplete-patterns
+                        -fwarn-unused-imports
+                        -Wincomplete-record-updates
+                        -Wincomplete-uni-patterns
+                        -Wno-unsafe
+                        -threaded
+                        -rtsopts
+                        -with-rtsopts=-N4
+
+  autogen-modules:      Paths_cardano_chain_gen
+                        MigrationValidations
+  other-modules:        Paths_cardano_chain_gen
+                        MigrationValidations
+
+  other-modules:        Cardano.Db.Bench
+  build-depends:        async
+                      , base                            >= 4.12
+                      , bytestring
+                      , containers
+                      , criterion
+                      , deepseq
+                      , directory
+                      , filepath
+                      , split
+                      , strict-stm
+                      , tasty
+                      , tasty-hunit
+                      , text
+                      , cardano-prelude
+                      , cardano-chain-gen
+                      , cardano-db
+                      , cardano-db-sync
+                      , cardano-crypto-class
+                      , cardano-ledger-alonzo
+                      , cardano-ledger-core
+                      , cardano-ledger-shelley
+                      , cardano-ledger-shelley-ma
+                      , cardano-slotting
+                      , io-classes
+                      , ouroboros-consensus-cardano
+                      , ouroboros-network
diff --git a/cardano-chain-gen/src/Cardano/Mock/ChainSync/Server.hs b/cardano-chain-gen/src/Cardano/Mock/ChainSync/Server.hs
index bc72c1eed..a47b8d8f9 100644
--- a/cardano-chain-gen/src/Cardano/Mock/ChainSync/Server.hs
+++ b/cardano-chain-gen/src/Cardano/Mock/ChainSync/Server.hs
@@ -22,6 +22,8 @@ module Cardano.Mock.ChainSync.Server
   , addBlock
   , rollback
   , readChain
+  , blockServing
+  , unBlockServing
   , withIOManager
   ) where
 
@@ -32,8 +34,9 @@ import           Control.Concurrent (threadDelay)
 import           Control.Concurrent.Async
 import           Control.Exception (bracket)
 import           Control.Monad (forever)
-import           Control.Monad.Class.MonadSTM.Strict (MonadSTM (atomically), STM, StrictTVar,
-                   modifyTVar, newTVarIO, readTVar, retry, writeTVar)
+import           Control.Monad.Class.MonadSTM.Strict (MonadSTM (atomically), STM, StrictTMVar,
+                   StrictTVar, modifyTVar, newTMVarIO, newTVarIO, putTMVar, readTMVar, readTVar, retry,
+                   takeTMVar, writeTVar)
 import           Control.Tracer (nullTracer)
 import           Data.ByteString.Lazy.Char8 (ByteString)
 import qualified Data.Map.Strict as Map
@@ -88,6 +91,7 @@ import           Cardano.Mock.ChainSync.State
 data ServerHandle m blk = ServerHandle
   { chainProducerState :: StrictTVar m (ChainProducerState blk)
   , threadHandle :: Async ()
+  , blocking :: StrictTMVar m ()
   }
 
 replaceGenesis :: MonadSTM m => ServerHandle m blk -> State blk -> STM m ()
@@ -114,6 +118,13 @@ rollback handle point =
 stopServer :: ServerHandle m blk -> IO ()
 stopServer = cancel . threadHandle
 
+blockServing :: MonadSTM m => ServerHandle m blk -> STM m ()
+blockServing handle =
+  takeTMVar (blocking handle)
+
+unBlockServing :: MonadSTM m => ServerHandle m blk -> STM m ()
+unBlockServing handle = putTMVar (blocking handle) ()
+
 type MockServerConstraint blk =
     ( SerialiseNodeToClientConstraints blk
     , ShowQuery (BlockQuery blk)
@@ -138,8 +149,9 @@ forkServerThread
     -> IO (ServerHandle IO blk)
 forkServerThread iom config initSt networkMagic path = do
     chainSt <- newTVarIO $ initChainProducerState config initSt
-    thread <- async $ runLocalServer iom (configCodec config) networkMagic path chainSt
-    pure $ ServerHandle chainSt thread
+    lock <- newTMVarIO ()
+    thread <- async $ runLocalServer iom (configCodec config) networkMagic path chainSt lock
+    pure $ ServerHandle chainSt thread lock
 
 withServerHandle
     :: forall blk a. MockServerConstraint blk
@@ -161,8 +173,9 @@ runLocalServer
     -> NetworkMagic
     -> FilePath
     -> StrictTVar IO (ChainProducerState blk)
+    -> StrictTMVar IO ()
     -> IO ()
-runLocalServer iom codecConfig networkMagic localDomainSock chainProducerState =
+runLocalServer iom codecConfig networkMagic localDomainSock chainProducerState lockServing =
     withSnocket iom localDomainSock $ \ localSocket localSnocket -> do
       networkState <- NodeToClient.newNetworkMutableState
       _ <- NodeToClient.withServer
@@ -170,27 +183,26 @@ runLocalServer iom codecConfig networkMagic localDomainSock chainProducerState =
              NodeToClient.nullNetworkServerTracers -- debuggingNetworkServerTracers
              networkState
              localSocket
-             (versions chainProducerState)
+             versions
              NodeToClient.networkErrorPolicies
       pure ()
 
   where
-    versions :: StrictTVar IO (ChainProducerState blk)
-             -> Versions NodeToClientVersion
+    versions :: Versions NodeToClientVersion
                          NodeToClientVersionData
                          (OuroborosApplication 'ResponderMode LocalAddress ByteString IO Void ())
-    versions state =
+    versions =
       let version = fromJust $ snd $ latestReleasedNodeVersion (Proxy @blk)
           allVersions = supportedNodeToClientVersions (Proxy @blk)
           blockVersion = fromJust $ Map.lookup version allVersions
       in simpleSingletonVersions
             version
             (NodeToClientVersionData networkMagic)
-            (NTC.responder version $ mkApps state version blockVersion (NTC.defaultCodecs codecConfig blockVersion version))
+            (NTC.responder version $ mkApps version blockVersion (NTC.defaultCodecs codecConfig blockVersion version))
 
-    mkApps :: StrictTVar IO (ChainProducerState blk) -> NodeToClientVersion -> BlockNodeToClientVersion blk -> DefaultCodecs blk IO
+    mkApps :: NodeToClientVersion -> BlockNodeToClientVersion blk -> DefaultCodecs blk IO
            -> NTC.Apps IO localPeer ByteString ByteString ByteString ByteString ()
-    mkApps state _version blockVersion Codecs {..}  =
+    mkApps _version blockVersion Codecs {..}  =
         Apps
           { aChainSyncServer = chainSyncServer'
           , aTxSubmissionServer = txSubmitServer
@@ -208,7 +220,7 @@ runLocalServer iom codecConfig networkMagic localDomainSock chainProducerState =
             cChainSyncCodec
             channel
             $ chainSyncServerPeer
-            $ chainSyncServer state codecConfig blockVersion
+            $ chainSyncServer chainProducerState lockServing codecConfig blockVersion
 
         txSubmitServer
           :: localPeer
@@ -250,10 +262,11 @@ chainSyncServer
         , EncodeDisk blk blk
         )
     => StrictTVar m (ChainProducerState blk)
+    -> StrictTMVar m ()
     -> CodecConfig blk
     -> BlockNodeToClientVersion blk
     -> ChainSyncServer (Serialised blk) (Point blk) (Tip blk) m ()
-chainSyncServer state codec _blockVersion =
+chainSyncServer state lockServing codec _blockVersion =
     ChainSyncServer $ idle <$> newFollower
   where
     idle :: FollowerId -> ServerStIdle (Serialised blk) (Point blk) (Tip blk) m ()
@@ -271,6 +284,7 @@ chainSyncServer state codec _blockVersion =
                       -> m (Either (ServerStNext (Serialised blk) (Point blk) (Tip blk) m ())
                                 (m (ServerStNext (Serialised blk) (Point blk) (Tip blk) m ())))
     handleRequestNext r = do
+      atomically $ readTMVar lockServing
       mupdate <- tryReadChainUpdate r
       case mupdate of
         Just update -> pure (Left  (sendNext r update))
diff --git a/cardano-chain-gen/test/Test/Cardano/Db/Mock/Config.hs b/cardano-chain-gen/src/Cardano/Mock/Db/Config.hs
similarity index 75%
rename from cardano-chain-gen/test/Test/Cardano/Db/Mock/Config.hs
rename to cardano-chain-gen/src/Cardano/Mock/Db/Config.hs
index 8b528dc5b..efd841083 100644
--- a/cardano-chain-gen/test/Test/Cardano/Db/Mock/Config.hs
+++ b/cardano-chain-gen/src/Cardano/Mock/Db/Config.hs
@@ -2,7 +2,7 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TypeApplications #-}
 
-module Test.Cardano.Db.Mock.Config where
+module Cardano.Mock.Db.Config where
 
 import           Cardano.Prelude (ReaderT, panic, stderr)
 
@@ -50,20 +50,17 @@ import           Cardano.SMASH.Server.PoolDataLayer
 import           Cardano.Mock.ChainSync.Server
 import           Cardano.Mock.Forging.Interpreter hiding (CardanoBlock)
 
-rootTestDir :: FilePath
-rootTestDir = "test/testfiles"
+mkMutableDir :: FilePath -> FilePath -> FilePath
+mkMutableDir rootTestDir testLabel = rootTestDir </> "temp" </> testLabel
 
-mkMutableDir :: FilePath -> FilePath
-mkMutableDir testLabel = rootTestDir </> "temp" </> testLabel
+mkConfigDir :: FilePath -> FilePath -> FilePath
+mkConfigDir rootTestDir config = rootTestDir </> config
 
-mkConfigDir :: FilePath -> FilePath
-mkConfigDir config = rootTestDir </> config
+fingerprintRoot :: FilePath -> FilePath
+fingerprintRoot rootTestDir = rootTestDir </> "fingerprint"
 
-fingerprintRoot :: FilePath
-fingerprintRoot = rootTestDir </> "fingerprint"
-
-mkFingerPrint :: FilePath -> FilePath
-mkFingerPrint testLabel = fingerprintRoot </> testLabel
+mkFingerPrint :: FilePath -> FilePath -> FilePath
+mkFingerPrint rootTestDir testLabel = fingerprintRoot rootTestDir </> testLabel
 
 data Config = Config
     { topLevelConfig :: TopLevelConfig CardanoBlock
@@ -192,17 +189,17 @@ emptyMetricsSetters = MetricSetters
   , metricsSetDbSlotHeight = \_ -> pure ()
   }
 
-withFullConfig :: FilePath -> FilePath
+withFullConfig :: FilePath -> FilePath -> FilePath
                -> (Interpreter -> ServerHandle IO CardanoBlock -> DBSyncEnv -> IO ())
                -> IOManager -> [(Text, Text)] -> IO ()
-withFullConfig config testLabel action iom migr = do
+withFullConfig rootTestDir config testLabel action iom migr = do
     recreateDir mutableDir
     cfg <- mkConfig configDir mutableDir
-    fingerFile <- prepareFingerprintFile testLabel
+    fingerFile <- prepareFingerprintFile rootTestDir testLabel
     let dbsyncParams = syncNodeParams cfg
-    let trce = nullTracer
+    -- let trce = nullTracer
     -- Replace with this for better debugging of tests
-    -- trce <- configureLogging dbsyncParams "db-sync-node"
+    trce <- configureLogging dbsyncParams "db-sync-node"
     let dbsyncRun = runDbSync emptyMetricsSetters migr iom trce dbsyncParams True 35 35
     let initSt = Consensus.pInfoInitLedger $ protocolInfo cfg
     withInterpreter (protocolInfoForging cfg) nullTracer fingerFile $ \interpreter -> do
@@ -215,15 +212,47 @@ withFullConfig config testLabel action iom migr = do
             _ <- hSilence [stderr] $ Db.recreateDB (getDBSyncPGPass dbSync)
             action interpreter mockServer dbSync
   where
-    configDir = mkConfigDir config
-    mutableDir =  mkMutableDir testLabel
-
-prepareFingerprintFile :: FilePath -> IO FilePath
-prepareFingerprintFile testLabel = do
-    createDirectoryIfMissing True fingerprintRoot
+    configDir = mkConfigDir rootTestDir config
+    mutableDir =  mkMutableDir rootTestDir testLabel
+
+-- Same as 'withFullConfig' but doesn't use the bracket style. Can be used with
+-- 'cleanFullConfig' to cleanup the env.
+mkFullConfig :: FilePath -> FilePath -> FilePath
+             -> IOManager -> [(Text, Text)]
+             -> IO (Interpreter, ServerHandle IO CardanoBlock, DBSyncEnv)
+mkFullConfig rootTestDir config testLabel iom migr = do
+    recreateDir mutableDir
+    cfg <- mkConfig configDir mutableDir
+    fingerFile <- prepareFingerprintFile rootTestDir testLabel
+    let dbsyncParams = syncNodeParams cfg
+    let trce = nullTracer
+    -- Replace with this for better debugging of tests
+    -- trce <- configureLogging dbsyncParams "db-sync-node"
+    let dbsyncRun = runDbSync emptyMetricsSetters migr iom trce dbsyncParams True 35 35
+    let initSt = Consensus.pInfoInitLedger $ protocolInfo cfg
+    interpreter <- initInterpreter (protocolInfoForging cfg) nullTracer fingerFile
+    serverHandle <- forkServerThread @CardanoBlock iom (topLevelConfig cfg) initSt (NetworkMagic 42)
+                      (unSocketPath (enpSocketPath $ syncNodeParams cfg))
+    dbSync <- mkDBSyncEnv dbsyncParams dbsyncRun
+    _ <- hSilence [stderr] $ Db.recreateDB (getDBSyncPGPass dbSync)
+    pure (interpreter, serverHandle, dbSync)
+  where
+    configDir = mkConfigDir rootTestDir config
+    mutableDir =  mkMutableDir rootTestDir testLabel
+
+cleanFullConfig :: (Interpreter, ServerHandle IO CardanoBlock, DBSyncEnv)
+                -> IO ()
+cleanFullConfig (interpreter, serverHandle, dbSync) = do
+    stopDBSyncIfRunning dbSync
+    stopServer serverHandle
+    finalizeFingerprint interpreter
+
+prepareFingerprintFile :: FilePath -> FilePath -> IO FilePath
+prepareFingerprintFile rootTestDir testLabel = do
+    createDirectoryIfMissing True (fingerprintRoot rootTestDir)
     pure fingerprintFile
   where
-    fingerprintFile = mkFingerPrint testLabel
+    fingerprintFile = mkFingerPrint rootTestDir testLabel
 
 recreateDir :: FilePath -> IO ()
 recreateDir path = do
diff --git a/cardano-chain-gen/test/Test/Cardano/Db/Mock/Validate.hs b/cardano-chain-gen/src/Cardano/Mock/Db/Validate.hs
similarity index 91%
rename from cardano-chain-gen/test/Test/Cardano/Db/Mock/Validate.hs
rename to cardano-chain-gen/src/Cardano/Mock/Db/Validate.hs
index 5ba17b016..cec4bfb90 100644
--- a/cardano-chain-gen/test/Test/Cardano/Db/Mock/Validate.hs
+++ b/cardano-chain-gen/src/Cardano/Mock/Db/Validate.hs
@@ -5,7 +5,7 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 
-module Test.Cardano.Db.Mock.Validate where
+module Cardano.Mock.Db.Validate where
 
 import           Cardano.Db
 import           Control.Concurrent
@@ -25,7 +25,7 @@ import           Data.Word (Word64)
 import           GHC.Records (HasField (..))
 
 import           Database.Esqueleto.Legacy (InnerJoin (..), SqlExpr, countRows, from, on, select,
-                   unValue, (==.), (^.))
+                   unValue, val, where_, (==.), (^.))
 import           Database.Persist.Sql (Entity, SqlBackend, entityVal)
 import           Database.PostgreSQL.Simple (SqlError (..))
 
@@ -42,10 +42,10 @@ import           Cardano.SMASH.Server.Types
 import           Ouroboros.Consensus.Cardano.Block
 import           Ouroboros.Consensus.Shelley.Ledger (ShelleyBlock)
 
+import           Cardano.Mock.Db.Config
 import           Cardano.Mock.Forging.Tx.Generic
 import           Cardano.Mock.Forging.Types
 
-import           Test.Cardano.Db.Mock.Config
 
 import           Test.Tasty.HUnit
 
@@ -65,9 +65,16 @@ assertRewardCount :: DBSyncEnv -> Word64 -> IO ()
 assertRewardCount env n =
     assertEqBackoff env queryRewardCount n defaultDelays "Unexpected rewards count"
 
+assertBlockNo :: DBSyncEnv -> Maybe Int -> [Int] -> IO ()
+assertBlockNo env mBlockNo delays =
+    assertEqBackoff env queryBlockHeight (fromIntegral <$> mBlockNo) delays "Unexpected BlockNo"
+
 assertBlockNoBackoff :: DBSyncEnv -> Int -> IO ()
-assertBlockNoBackoff env blockNo =
-    assertEqBackoff env queryBlockHeight (Just $ fromIntegral blockNo) defaultDelays "Unexpected BlockNo"
+assertBlockNoBackoff = assertBlockNoBackoffTimes defaultDelays
+
+assertBlockNoBackoffTimes :: [Int] -> DBSyncEnv ->  Int -> IO ()
+assertBlockNoBackoffTimes times env blockNo =
+    assertEqBackoff env queryBlockHeight (Just $ fromIntegral blockNo) times "Unexpected BlockNo"
 
 defaultDelays :: [Int]
 defaultDelays = [1,2,4,8,16,32,64,128]
@@ -201,6 +208,24 @@ assertRewardCounts env st filterAddr expected = do
                 pure (reward, stake_addr ^. StakeAddressHashRaw)
       pure $ fmap (bimap entityVal unValue) res
 
+assertEpochStake :: DBSyncEnv -> Word64 -> IO ()
+assertEpochStake env expected =
+    assertEqBackoff env q expected defaultDelays "Unexpected epoch stake counts"
+  where
+    q =
+      maybe 0 unValue . listToMaybe <$>
+          (select . from $ \(_a :: SqlExpr (Entity EpochStake)) -> pure countRows)
+
+assertEpochStakeEpoch :: DBSyncEnv -> Word64 -> Word64 -> IO ()
+assertEpochStakeEpoch env e expected =
+    assertEqBackoff env q expected defaultDelays "Unexpected epoch stake counts"
+  where
+    q =
+      maybe 0 unValue . listToMaybe <$>
+          (select . from $ \(a :: SqlExpr (Entity EpochStake)) -> do
+            where_ (a ^. EpochStakeEpochNo ==. val e)
+            pure countRows
+          )
 
 assertAlonzoCounts :: DBSyncEnv -> (Word64, Word64, Word64, Word64, Word64, Word64, Word64, Word64) -> IO ()
 assertAlonzoCounts env expected =
diff --git a/cardano-chain-gen/src/Cardano/Mock/Forging/Examples.hs b/cardano-chain-gen/src/Cardano/Mock/Forging/Examples.hs
new file mode 100644
index 000000000..f20a6e11e
--- /dev/null
+++ b/cardano-chain-gen/src/Cardano/Mock/Forging/Examples.hs
@@ -0,0 +1,42 @@
+module Cardano.Mock.Forging.Examples where
+
+import           Cardano.Prelude hiding (length, (.))
+
+import           Data.List.Extra
+
+import           Cardano.Ledger.Mary.Value
+import           Cardano.Ledger.Shelley.API
+import           Cardano.Mock.Forging.Interpreter
+import qualified Cardano.Mock.Forging.Tx.Alonzo as Alonzo
+import           Cardano.Mock.Forging.Tx.Generic
+import           Cardano.Mock.Forging.Types
+
+delegateAndSendBlocks :: Int -> Interpreter -> IO [CardanoBlock]
+delegateAndSendBlocks n interpreter = do
+    addrFrom <- withAlonzoLedgerState interpreter $ resolveAddress (UTxOIndex 0)
+    registerBlocks <- forM (chunksOf 500 creds) $ \blockCreds -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \_st ->
+        forM (chunksOf 10 blockCreds) $ \txCreds -> -- 10 per tx
+          Alonzo.mkDCertTx (fmap (DCertDeleg . RegKey) txCreds) (Wdrl mempty)
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+
+    delegateBlocks <- forM (chunksOf 500 creds) $ \blockCreds -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \st ->
+        forM (chunksOf 10 blockCreds) $ \txCreds -> --do -- 10 per tx
+          Alonzo.mkDCertTx
+            (fmap (\ (poolIx, cred) -> DCertDeleg $ Delegate $ Delegation cred (resolvePool (PoolIndex poolIx) st))
+                  (zip (cycle [0,1,2]) txCreds))
+            (Wdrl mempty)
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+
+    let utxoIndex = UTxOAddress addrFrom
+    sendBlocks <- forM (chunksOf 500 addresses) $ \blockAddresses -> do
+      blockTxs <- withAlonzoLedgerState interpreter $ \st ->
+        forM (chunksOf 10 blockAddresses) $ \txAddresses ->
+          Alonzo.mkPaymentTx' utxoIndex (fmap (\addr -> (UTxOAddress addr, Value 1 mempty)) txAddresses) st
+      forgeNextFindLeader interpreter (TxAlonzo <$> blockTxs)
+    pure $ registerBlocks <> delegateBlocks <> sendBlocks
+  where
+    creds = createStakeCredentials n
+    pcreds = createPaymentCredentials n
+    addresses = fmap (\(pcred, cred) -> Addr Testnet pcred (StakeRefBase cred)) (zip pcreds creds)
diff --git a/cardano-chain-gen/src/Cardano/Mock/Forging/Interpreter.hs b/cardano-chain-gen/src/Cardano/Mock/Forging/Interpreter.hs
index a8c584541..35f7aee32 100644
--- a/cardano-chain-gen/src/Cardano/Mock/Forging/Interpreter.hs
+++ b/cardano-chain-gen/src/Cardano/Mock/Forging/Interpreter.hs
@@ -18,6 +18,7 @@ module Cardano.Mock.Forging.Interpreter
   , NodeId (..)
   , initInterpreter
   , withInterpreter
+  , finalizeFingerprint
   , forgeNextFindLeader
   , forgeNext
   , forgeNextAfter
diff --git a/cardano-chain-gen/src/Cardano/Mock/Forging/Tx/Alonzo.hs b/cardano-chain-gen/src/Cardano/Mock/Forging/Tx/Alonzo.hs
index 55d7e4afb..665687452 100644
--- a/cardano-chain-gen/src/Cardano/Mock/Forging/Tx/Alonzo.hs
+++ b/cardano-chain-gen/src/Cardano/Mock/Forging/Tx/Alonzo.hs
@@ -8,7 +8,7 @@
 
 module Cardano.Mock.Forging.Tx.Alonzo where
 
-import           Cardano.Prelude hiding ((.))
+import           Cardano.Prelude hiding (sum, (.))
 
 import qualified Data.Map.Strict as Map
 import           Data.Maybe (fromJust)
@@ -109,6 +109,24 @@ mkPaymentTx inputIndex outputIndex amount fees sta = do
         change = TxOut addr' (valueFromList (fromIntegral $ fromIntegral inputValue - amount - fees) []) Strict.SNothing
     Right $ mkSimpleTx True $ consPaymentTxBody input mempty (StrictSeq.fromList [output, change]) (Coin fees) mempty
 
+mkPaymentTx' :: AlonzoUTxOIndex
+             -> [(AlonzoUTxOIndex, Value StandardCrypto)]
+             -> AlonzoLedgerState
+             -> Either ForgingError (ValidatedTx (AlonzoEra StandardCrypto))
+mkPaymentTx' inputIndex outputIndex sta = do
+    inputPair <- fst <$> resolveUTxOIndex inputIndex sta
+    outps <- mapM mkOuts outputIndex
+
+    let inps = Set.singleton $ fst inputPair
+        TxOut addr' (Value inputValue _) _ = snd inputPair
+        outValue = sum ((\ (Value vl _) -> vl) . snd <$> outputIndex)
+        change = TxOut addr' (valueFromList (fromIntegral $ fromIntegral inputValue - outValue) []) Strict.SNothing
+    Right $ mkSimpleTx True $ consPaymentTxBody inps mempty (StrictSeq.fromList $ outps ++ [change]) (Coin 0) mempty
+  where
+    mkOuts (outIx, vl) = do
+        addr <- resolveAddress outIx sta
+        Right $ TxOut addr vl Strict.SNothing
+
 mkLockByScriptTx :: AlonzoUTxOIndex -> [Bool] -> Integer -> Integer
                  -> AlonzoLedgerState
                  -> Either ForgingError (ValidatedTx (AlonzoEra StandardCrypto))
diff --git a/cardano-chain-gen/src/Cardano/Mock/Forging/Tx/Generic.hs b/cardano-chain-gen/src/Cardano/Mock/Forging/Tx/Generic.hs
index fcc1d5148..810d5843e 100644
--- a/cardano-chain-gen/src/Cardano/Mock/Forging/Tx/Generic.hs
+++ b/cardano-chain-gen/src/Cardano/Mock/Forging/Tx/Generic.hs
@@ -11,6 +11,9 @@ module Cardano.Mock.Forging.Tx.Generic
   , resolveUTxOIndex
   , resolveStakeCreds
   , resolvePool
+  , createStakeCredentials
+  , createPaymentCredentials
+  , mkDummyScriptHash
   ) where
 
 import           Cardano.Prelude hiding (length, (.))
@@ -24,7 +27,9 @@ import           Cardano.Ledger.Address
 import           Cardano.Ledger.BaseTypes
 import qualified Cardano.Ledger.Core as Core
 import           Cardano.Ledger.Credential
+import           Cardano.Ledger.Crypto (ADDRHASH)
 import           Cardano.Ledger.Era (Crypto)
+import           Cardano.Ledger.Hashes
 import           Cardano.Ledger.Keys
 import           Cardano.Ledger.Shelley.LedgerState hiding (LedgerState)
 import           Cardano.Ledger.Shelley.TxBody
@@ -39,6 +44,8 @@ import qualified Ouroboros.Consensus.Shelley.Ledger.Ledger as Consensus
 import           Cardano.Mock.Forging.Tx.Alonzo.ScriptsExamples
 import           Cardano.Mock.Forging.Types
 
+import           Test.Cardano.Ledger.Shelley.Examples.Consensus
+
 resolveAddress :: forall era. (Crypto era ~ StandardCrypto, HasField "address" (Core.TxOut era) (Addr (Crypto era)))
                => UTxOIndex era -> LedgerState (ShelleyBlock era)
                -> Either ForgingError (Addr (Crypto era))
@@ -161,3 +168,14 @@ unregisteredPools =
   , KeyHash "222462543264795t3298745680239746523897456238974563298348"
   , KeyHash "33323876542397465497834256329487563428975634827956348975"
   ]
+
+createStakeCredentials :: Int -> [StakeCredential StandardCrypto]
+createStakeCredentials n =
+  fmap (KeyHashObj . KeyHash . mkDummyHash (Proxy @(ADDRHASH StandardCrypto))) [1..n]
+
+createPaymentCredentials :: Int -> [PaymentCredential StandardCrypto]
+createPaymentCredentials n =
+  fmap (KeyHashObj . KeyHash . mkDummyHash (Proxy @(ADDRHASH StandardCrypto))) [1..n]
+
+mkDummyScriptHash :: Int -> ScriptHash StandardCrypto
+mkDummyScriptHash n = ScriptHash $ mkDummyHash (Proxy @(ADDRHASH StandardCrypto)) n
diff --git a/cardano-chain-gen/test/Test/Cardano/Db/Mock/UnifiedApi.hs b/cardano-chain-gen/src/Cardano/Mock/UnifiedApi.hs
similarity index 93%
rename from cardano-chain-gen/test/Test/Cardano/Db/Mock/UnifiedApi.hs
rename to cardano-chain-gen/src/Cardano/Mock/UnifiedApi.hs
index afaf817fb..f58490e50 100644
--- a/cardano-chain-gen/test/Test/Cardano/Db/Mock/UnifiedApi.hs
+++ b/cardano-chain-gen/src/Cardano/Mock/UnifiedApi.hs
@@ -1,6 +1,7 @@
-module Test.Cardano.Db.Mock.UnifiedApi where
+module Cardano.Mock.UnifiedApi where
 
 import           Control.Monad.Class.MonadSTM.Strict
+import           Data.Word (Word64)
 
 import           Cardano.Slotting.Slot (SlotNo (..))
 
@@ -28,6 +29,12 @@ forgeNextFindLeaderAndSubmit interpreter mockServer txs'  = do
     atomically $ addBlock mockServer blk
     pure blk
 
+forgeNextSkipSlotsFindLeaderAndSubmit :: Interpreter -> ServerHandle IO CardanoBlock -> Word64 -> [TxEra] -> IO CardanoBlock
+forgeNextSkipSlotsFindLeaderAndSubmit interpreter mockServer skipSlots txs'  = do
+    blk <- forgeNextAfter interpreter skipSlots txs'
+    atomically $ addBlock mockServer blk
+    pure blk
+
 forgeAndSubmitBlocks :: Interpreter -> ServerHandle IO CardanoBlock -> Int -> IO [CardanoBlock]
 forgeAndSubmitBlocks interpreter mockServer blocksToCreate = do
     forM [1..blocksToCreate] $ \_ -> forgeNextFindLeaderAndSubmit interpreter mockServer []
diff --git a/cardano-chain-gen/test/Test/Cardano/Db/Mock/Unit.hs b/cardano-chain-gen/test/Test/Cardano/Db/Mock/Unit.hs
index 6dfbc3cfe..8153e3e34 100644
--- a/cardano-chain-gen/test/Test/Cardano/Db/Mock/Unit.hs
+++ b/cardano-chain-gen/test/Test/Cardano/Db/Mock/Unit.hs
@@ -36,20 +36,22 @@ import           Cardano.SMASH.Server.PoolDataLayer
 import           Cardano.SMASH.Server.Types
 
 import           Cardano.Mock.ChainSync.Server
+import           Cardano.Mock.Db.Validate
+import           Cardano.Mock.Db.Config hiding (withFullConfig)
+import qualified Cardano.Mock.Db.Config as Config
+import           Cardano.Mock.Forging.Examples
 import           Cardano.Mock.Forging.Interpreter
 import qualified Cardano.Mock.Forging.Tx.Alonzo as Alonzo
 import           Cardano.Mock.Forging.Tx.Alonzo.ScriptsExamples
 import           Cardano.Mock.Forging.Tx.Generic
 import qualified Cardano.Mock.Forging.Tx.Shelley as Shelley
 import           Cardano.Mock.Forging.Types
+import           Cardano.Mock.UnifiedApi
 
 import           Test.Tasty (TestTree, testGroup)
 import           Test.Tasty.HUnit (Assertion, assertBool, assertEqual, assertFailure, testCase)
 
-import           Test.Cardano.Db.Mock.Config
 import           Test.Cardano.Db.Mock.Examples
-import           Test.Cardano.Db.Mock.UnifiedApi
-import           Test.Cardano.Db.Mock.Validate
 
 unitTests :: IOManager -> [(Text, Text)] -> TestTree
 unitTests iom knownMigrations =
@@ -95,6 +97,14 @@ unitTests iom knownMigrations =
           , test "rollback on epoch boundary" rollbackBoundary
           , test "single MIR Cert multiple outputs" singleMIRCertMultiOut
           ]
+      , testGroup "stake distribution"
+          [ test "stake distribution from genesis" stakeDistGenesis
+          , test "2000 delegations" delegations2000
+          , test "2001 delegations" delegations2001
+          , test "8000 delegations" delegations8000
+          , test "many delegations" delegationsMany
+          , test "many delegations, not dense chain" delegationsManyNotDense
+          ]
       , testGroup "plutus spend scripts"
           [ test "simple script lock" simpleScript
           , test "unlock script in same block" unlockScriptSameBlock
@@ -133,6 +143,14 @@ unitTests iom knownMigrations =
 defaultConfigDir ::  FilePath
 defaultConfigDir = "config"
 
+rootTestDir :: FilePath
+rootTestDir = "test/testfiles"
+
+withFullConfig :: FilePath -> FilePath
+               -> (Interpreter -> ServerHandle IO CardanoBlock -> DBSyncEnv -> IO ())
+               -> IOManager -> [(Text, Text)] -> IO ()
+withFullConfig = Config.withFullConfig rootTestDir
+
 forgeBlocks :: IOManager -> [(Text, Text)] -> Assertion
 forgeBlocks = do
     withFullConfig defaultConfigDir testLabel $ \interpreter _mockServer _dbSync -> do
@@ -842,6 +860,129 @@ singleMIRCertMultiOut =
   where
     testLabel = "singleMIRCertMultiOut"
 
+stakeDistGenesis :: IOManager -> [(Text, Text)] -> Assertion
+stakeDistGenesis =
+    withFullConfig "config" testLabel $ \interpreter mockServer dbSync -> do
+      startDBSync dbSync
+      a <- fillUntilNextEpoch interpreter mockServer
+      assertBlockNoBackoff dbSync (fromIntegral $ length a - 1)
+      -- There are 5 delegations in genesis
+      assertEpochStake dbSync 5
+  where
+    testLabel = "stakeDistGenesis"
+
+delegations2000 :: IOManager -> [(Text, Text)] -> Assertion
+delegations2000 =
+    withFullConfig "config" testLabel $ \interpreter mockServer dbSync -> do
+      startDBSync dbSync
+      a <- delegateAndSendBlocks 1995 interpreter
+      forM_ a $ atomically . addBlock mockServer
+      b <- fillUntilNextEpoch interpreter mockServer
+      c <- fillUntilNextEpoch interpreter mockServer
+
+      assertBlockNoBackoff dbSync (fromIntegral $ length a + length b + length c - 1)
+      -- There are exactly 2000 entries on the second epoch, 5 from genesis and 1995 manually added
+      assertEpochStakeEpoch dbSync 2 2000
+
+      _ <- forgeNextFindLeaderAndSubmit interpreter mockServer []
+      assertBlockNoBackoff dbSync (fromIntegral $ length a + length b + length c)
+      assertEpochStakeEpoch dbSync 2 2000
+  where
+    testLabel = "delegations2000"
+
+delegations2001 :: IOManager -> [(Text, Text)] -> Assertion
+delegations2001 =
+    withFullConfig "config" testLabel $ \interpreter mockServer dbSync -> do
+      startDBSync dbSync
+      a <- delegateAndSendBlocks 1996 interpreter
+      forM_ a $ atomically . addBlock mockServer
+      b <- fillUntilNextEpoch interpreter mockServer
+      c <- fillUntilNextEpoch interpreter mockServer
+
+      assertBlockNoBackoff dbSync (fromIntegral $ length a + length b + length c - 1)
+      -- The first block of epoch inserts 2000 out of 2001 epoch distribution.
+      assertEpochStakeEpoch dbSync 2 2000
+      -- The remaining entry is inserted on the next block.
+      _ <- forgeNextFindLeaderAndSubmit interpreter mockServer []
+      assertBlockNoBackoff dbSync (fromIntegral $ length a + length b + length c)
+      assertEpochStakeEpoch dbSync 2 2001
+  where
+    testLabel = "delegations2001"
+
+delegations8000 :: IOManager -> [(Text, Text)] -> Assertion
+delegations8000 =
+    withFullConfig "config" testLabel $ \interpreter mockServer dbSync -> do
+      startDBSync dbSync
+      a <- delegateAndSendBlocks 7995 interpreter
+      forM_ a $ atomically . addBlock mockServer
+      b <- fillEpochs interpreter mockServer 3
+
+      assertBlockNoBackoff dbSync (fromIntegral $ length a + length b - 1)
+      assertEpochStakeEpoch dbSync 3 2000
+
+      _ <- forgeNextFindLeaderAndSubmit interpreter mockServer []
+      assertEpochStakeEpoch dbSync 3 4000
+
+      _ <- forgeNextFindLeaderAndSubmit interpreter mockServer []
+      assertEpochStakeEpoch dbSync 3 6000
+
+      _ <- forgeNextFindLeaderAndSubmit interpreter mockServer []
+      assertEpochStakeEpoch dbSync 3 8000
+
+      _ <- forgeNextFindLeaderAndSubmit interpreter mockServer []
+      assertEpochStakeEpoch dbSync 3 8000
+  where
+    testLabel = "delegations8000"
+
+delegationsMany :: IOManager -> [(Text, Text)] -> Assertion
+delegationsMany =
+    withFullConfig "config" testLabel $ \interpreter mockServer dbSync -> do
+      startDBSync dbSync
+      a <- delegateAndSendBlocks 40000 interpreter
+      forM_ a $ atomically . addBlock mockServer
+      b <- fillEpochs interpreter mockServer 5
+
+      -- too long. We cannot use default delays
+      assertBlockNoBackoffTimes (repeat 10) dbSync (fromIntegral $ length a + length b - 1)
+      -- The slice size here is
+      -- 1 + div (delegationsLen * 5) expectedBlocks = 2001
+      -- instead of 2000, because there are many delegations
+      assertEpochStakeEpoch dbSync 7 2001
+
+      _ <- forgeNextFindLeaderAndSubmit interpreter mockServer []
+      assertEpochStakeEpoch dbSync 7 4002
+
+      _ <- forgeNextFindLeaderAndSubmit interpreter mockServer []
+      assertEpochStakeEpoch dbSync 7 6003
+  where
+    testLabel = "delegationsMany"
+
+delegationsManyNotDense :: IOManager -> [(Text, Text)] -> Assertion
+delegationsManyNotDense =
+    withFullConfig "config" testLabel $ \interpreter mockServer dbSync -> do
+      startDBSync dbSync
+      a <- delegateAndSendBlocks 40000 interpreter
+      forM_ a $ atomically . addBlock mockServer
+      b <- fillEpochs interpreter mockServer 5
+
+      -- too long. We cannot use default delays
+      assertBlockNoBackoffTimes (repeat 10) dbSync (fromIntegral $ length a + length b - 1)
+      -- The slice size here is
+      -- 1 + div (delegationsLen * 5) expectedBlocks = 2001
+      -- instead of 2000, because there are many delegations
+      assertEpochStakeEpoch dbSync 7 2001
+
+      -- Blocks come on average every 5 slots. If we skip 15 slots before each block,
+      -- we are expected to get only 1/4 of the expected blocks. The adjusted slices
+      -- should still be long enough to cover everything.
+      replicateM_ 40 $
+        forgeNextSkipSlotsFindLeaderAndSubmit interpreter mockServer 15 []
+
+      -- Even if the chain is not dense, all distributions are inserted.
+      assertEpochStakeEpoch dbSync 7 40005
+  where
+    testLabel = "delegationsManyNotDense"
+
 simpleScript :: IOManager -> [(Text, Text)] -> Assertion
 simpleScript =
     withFullConfig "config" testLabel $ \interpreter mockServer dbSync -> do
diff --git a/cardano-chain-gen/test/testfiles/config/genesis.byron.json b/cardano-chain-gen/test/testfiles/config/genesis.byron.json
index cf088f937..25ced6be5 100644
--- a/cardano-chain-gen/test/testfiles/config/genesis.byron.json
+++ b/cardano-chain-gen/test/testfiles/config/genesis.byron.json
@@ -26,6 +26,6 @@
         { "summand": "155381000000000" , "multiplier": "43946000000" }
     , "unlockStakeEpoch": "18446744073709551615"
     }
-, "protocolConsts": { "k": 216 , "protocolMagic": 42 }
+, "protocolConsts": { "k": 10 , "protocolMagic": 42 }
 , "avvmDistr": {}
 }
diff --git a/cardano-chain-gen/test/testfiles/config/test-config.json b/cardano-chain-gen/test/testfiles/config/test-config.json
index 60a3306d4..64e59bf85 100644
--- a/cardano-chain-gen/test/testfiles/config/test-config.json
+++ b/cardano-chain-gen/test/testfiles/config/test-config.json
@@ -4,7 +4,7 @@
   "ApplicationName": "cardano-sl",
   "ApplicationVersion": 0,
   "ByronGenesisFile": "genesis.byron.json",
-  "ByronGenesisHash": "462bb9869a5a6e4325cc294ca659d68607e8a6f37b5be96ea663fdedfe2b5949",
+  "ByronGenesisHash": "865a9da19944fc00cefe5a0cdcb6dc9d3964a74681d9488ab79967f13a6400b3",
   "LastKnownBlockVersion-Alt": 0,
   "LastKnownBlockVersion-Major": 5,
   "LastKnownBlockVersion-Minor": 1,
diff --git a/cardano-chain-gen/test/testfiles/fingerprint/delegations2000 b/cardano-chain-gen/test/testfiles/fingerprint/delegations2000
new file mode 100644
index 000000000..969f76da4
--- /dev/null
+++ b/cardano-chain-gen/test/testfiles/fingerprint/delegations2000
@@ -0,0 +1 @@
+[3,4,6,13,22,31,43,46,52,54,56,64,69,73,76,78,79,90,98,99,104,105,106,109,111,113,114,120,122,124,132,142,143,144,152,158,163,167,199,201,209,210,216,219,235,237,254,261,268,273,275,279,280,285,303,304,306,309,310,313,322,325,327,329,330,331,335,340,346,348,353,361,366,372,373,376,377,378,383,388,391,392,393,397,406,408,409,413,420,422,430,438,440,444,452,454,456,460,461,468,469,471,478,483,488,503,507,511,513,514,529,530,536,547,550,554,556,558,561,562,565,566,577,591,594,595,596,599,605,606,611,620,625,627,629,643,644,655,658,667,676,684,690,695,701,704,711,715,720,723,730,732,737,739,741,748,752,755,758,765,772,776,779,780,781,785,790,806,810,816,818,820,822,835,843,846,852,854,855,858,864,865,866,875,878,880,883,888,891,900,904,905,906,907,911,914,917,920,925,934,939,945,951,953,959,962,968,971,975,979,983,988,992,993,996,1002,1003]
\ No newline at end of file
diff --git a/cardano-chain-gen/test/testfiles/fingerprint/delegations2001 b/cardano-chain-gen/test/testfiles/fingerprint/delegations2001
new file mode 100644
index 000000000..51e5c28f8
--- /dev/null
+++ b/cardano-chain-gen/test/testfiles/fingerprint/delegations2001
@@ -0,0 +1 @@
+[3,4,6,13,22,31,43,46,52,54,56,64,69,73,76,78,79,90,98,99,104,105,106,109,111,113,114,120,122,124,132,142,143,144,152,158,163,167,199,201,209,210,216,219,235,237,254,261,268,273,275,279,280,285,303,304,306,309,310,313,322,325,327,329,330,331,335,340,346,348,353,361,366,372,373,376,377,378,383,388,391,392,393,397,406,408,409,413,420,422,430,438,440,444,452,454,456,460,461,468,469,471,478,483,488,503,507,511,513,514,529,530,536,547,550,554,556,558,561,562,565,566,577,591,594,595,596,599,605,606,611,620,625,627,629,643,644,655,658,667,676,684,690,695,701,704,711,715,720,723,730,732,737,739,741,748,752,755,758,765,772,776,779,780,781,785,790,806,810,816,818,820,822,835,843,846,852,854,855,858,864,865,866,875,878,880,883,888,891,900,904,905,906,907,911,914,917,920,925,934,939,945,951,953,959,962,968,971,975,979,983,988,992,993,996,1006,1011]
\ No newline at end of file
diff --git a/cardano-chain-gen/test/testfiles/fingerprint/delegations8000 b/cardano-chain-gen/test/testfiles/fingerprint/delegations8000
new file mode 100644
index 000000000..f0a18e6c0
--- /dev/null
+++ b/cardano-chain-gen/test/testfiles/fingerprint/delegations8000
@@ -0,0 +1 @@
+[3,4,6,13,22,31,43,46,52,54,56,64,69,73,76,78,79,90,98,99,104,105,106,109,111,113,114,120,122,124,132,142,143,144,152,158,163,167,199,201,209,210,216,219,235,237,254,261,268,273,275,279,280,285,303,304,306,309,310,313,322,325,327,329,330,331,335,340,346,348,353,361,366,372,373,376,377,378,383,388,391,392,393,397,406,408,409,413,420,422,430,438,440,444,452,454,456,460,461,468,469,471,478,483,488,503,507,511,513,514,529,530,536,547,550,554,556,558,561,562,565,566,577,591,594,595,596,599,605,606,611,620,625,627,629,643,644,655,658,667,676,684,690,695,701,704,711,715,720,723,730,732,737,739,741,748,752,755,758,765,772,776,779,780,781,785,790,806,810,816,818,820,822,835,843,846,852,854,855,858,864,865,866,875,878,880,883,888,891,900,904,905,906,907,911,914,917,920,925,934,939,945,951,953,959,962,968,971,975,979,983,988,992,993,996,1002,1007,1012,1014,1021,1022,1025,1026,1028,1038,1041,1058,1059,1060,1062,1063,1064,1069,1070,1079,1084,1092,1093,1109,1110,1111,1119,1120,1132,1134,1135,1148,1149,1167,1173,1178,1189,1192,1194,1195,1196,1202,1203,1209,1221,1223,1232,1233,1240,1246,1257,1263,1267,1268,1271,1273,1277,1280,1282,1285,1297,1299,1306,1313,1318,1319,1323,1325,1328,1333,1336,1341,1344,1348,1350,1352,1359,1362,1371,1372,1378,1379,1383,1393,1397,1399,1414,1417,1420,1421,1433,1434,1435,1460,1466,1467,1472,1474,1476,1479,1481,1482,1485,1497,1499,1503,1506,1515,1517,1521]
\ No newline at end of file
diff --git a/cardano-chain-gen/test/testfiles/fingerprint/delegationsMany b/cardano-chain-gen/test/testfiles/fingerprint/delegationsMany
new file mode 100644
index 000000000..9de734b61
--- /dev/null
+++ b/cardano-chain-gen/test/testfiles/fingerprint/delegationsMany
@@ -0,0 +1 @@
+[3,4,6,13,22,31,43,46,52,54,56,64,69,73,76,78,79,90,98,99,104,105,106,109,111,113,114,120,122,124,132,142,143,144,152,158,163,167,199,201,209,210,216,219,235,237,254,261,268,273,275,279,280,285,303,304,306,309,310,313,322,325,327,329,330,331,335,340,346,348,353,361,366,372,373,376,377,378,383,388,391,392,393,397,406,408,409,413,420,422,430,438,440,444,452,454,456,460,461,468,469,471,478,483,488,503,507,511,513,514,529,530,536,547,550,554,556,558,561,562,565,566,577,591,594,595,596,599,605,606,611,620,625,627,629,643,644,655,658,667,676,684,690,695,701,704,711,715,720,723,730,732,737,739,741,748,752,755,758,765,772,776,779,780,781,785,790,806,810,816,818,820,822,835,843,846,852,854,855,858,864,865,866,875,878,880,883,888,891,900,904,905,906,907,911,914,917,920,925,934,939,945,951,953,959,962,968,971,975,979,983,988,992,993,996,1004,1010,1013,1019,1031,1034,1038,1041,1052,1060,1061,1069,1076,1082,1090,1105,1107,1113,1116,1126,1128,1130,1134,1136,1149,1154,1156,1157,1158,1160,1169,1176,1177,1185,1186,1190,1200,1202,1205,1207,1208,1209,1214,1215,1222,1227,1230,1234,1235,1239,1257,1259,1264,1272,1275,1278,1283,1285,1288,1290,1293,1304,1308,1321,1325,1326,1331,1334,1337,1340,1344,1348,1349,1350,1362,1364,1367,1369,1372,1373,1376,1384,1385,1388,1391,1397,1403,1406,1408,1415,1417,1427,1431,1432,1435,1436,1437,1438,1465,1466,1470,1472,1474,1491,1499,1500,1518,1529,1545,1546,1559,1560,1562,1573,1574,1576,1579,1586,1606,1610,1613,1614,1620,1621,1629,1634,1642,1646,1648,1653,1660,1665,1668,1674,1683,1686,1699,1703,1715,1716,1718,1719,1731,1745,1752,1761,1764,1766,1769,1777,1784,1786,1791,1792,1799,1804,1814,1821,1836,1839,1841,1851,1852,1869,1879,1880,1882,1888,1891,1905,1906,1907,1908,1915,1925,1926,1929,1933,1939,1946,1955,1956,1959,1967,1974,1978,1981,1985,1988,1991,1997,2001,2002,2011,2015,2016,2017,2022,2030,2031,2033,2037,2042,2050,2056,2060,2064,2070,2077,2079,2088,2090,2095,2096,2104,2105,2111,2112,2116,2123,2130,2132,2135,2137,2138,2140,2147,2149,2154,2167,2174,2177,2182,2185,2189,2192,2194,2206,2218,2224,2228,2232,2234,2257,2268,2269,2270,2271,2273,2278,2279,2287,2289,2290,2292,2306,2311,2313,2315,2319,2327,2330,2351,2352,2356,2362,2364,2369,2377,2383,2386,2395,2400,2404,2405,2406,2413,2415,2423,2424,2431,2432,2437,2438,2449,2464,2468,2469,2477,2486,2503,2504,2511,2517,2519,2522,2526,2527,2529,2544,2549,2551,2553,2559,2567,2569,2570,2571,2579,2581,2587,2588,2592,2594,2595,2607,2609,2610,2614,2617,2620,2622,2632,2636,2638,2644,2645,2646,2647,2649,2652,2655,2656,2658,2662,2666,2668,2674,2675,2676,2692,2698,2701,2713,2717,2727,2728,2730,2735,2738,2740,2742,2743,2763,2774,2785,2786,2788,2791,2802,2805,2809,2814,2816,2819,2833,2836,2839,2844,2845,2846,2858,2863,2867,2869,2871,2872,2874,2880,2882,2883,2893,2894,2895,2900,2909,2925,2929,2958,2960,2962,2965,2966,2973,2974,2979,2985,2987,3000,3001,3005,3008,3020,3028,3030,3031,3033,3036,3044,3046,3050,3061,3064,3066,3071,3076,3082,3088,3091,3106,3108,3117,3122,3123,3129,3130,3132,3135,3136,3144,3172,3174,3177,3178,3182,3190,3193,3200,3204,3210,3212,3214,3215,3216,3218,3219,3229,3230,3234,3241,3245,3248,3254,3263,3264,3268,3278,3280,3286,3289,3292,3295,3305,3306,3309,3317,3319,3320,3328,3333,3334,3336,3346,3356,3359,3360,3363,3364,3365,3368,3370,3373,3379,3384,3387,3389,3390,3395,3399,3409,3422,3425,3435,3438,3447,3450,3452,3461,3463,3467,3472,3477,3481,3485,3488,3491,3493,3495,3496,3498,3500,3502,3504]
\ No newline at end of file
diff --git a/cardano-chain-gen/test/testfiles/fingerprint/delegationsManyNotDense b/cardano-chain-gen/test/testfiles/fingerprint/delegationsManyNotDense
new file mode 100644
index 000000000..c51ffeda4
--- /dev/null
+++ b/cardano-chain-gen/test/testfiles/fingerprint/delegationsManyNotDense
@@ -0,0 +1 @@
+[3,4,6,13,22,31,43,46,52,54,56,64,69,73,76,78,79,90,98,99,104,105,106,109,111,113,114,120,122,124,132,142,143,144,152,158,163,167,199,201,209,210,216,219,235,237,254,261,268,273,275,279,280,285,303,304,306,309,310,313,322,325,327,329,330,331,335,340,346,348,353,361,366,372,373,376,377,378,383,388,391,392,393,397,406,408,409,413,420,422,430,438,440,444,452,454,456,460,461,468,469,471,478,483,488,503,507,511,513,514,529,530,536,547,550,554,556,558,561,562,565,566,577,591,594,595,596,599,605,606,611,620,625,627,629,643,644,655,658,667,676,684,690,695,701,704,711,715,720,723,730,732,737,739,741,748,752,755,758,765,772,776,779,780,781,785,790,806,810,816,818,820,822,835,843,846,852,854,855,858,864,865,866,875,878,880,883,888,891,900,904,905,906,907,911,914,917,920,925,934,939,945,951,953,959,962,968,971,975,979,983,988,992,993,996,1004,1010,1013,1019,1031,1034,1038,1041,1052,1060,1061,1069,1076,1082,1090,1105,1107,1113,1116,1126,1128,1130,1134,1136,1149,1154,1156,1157,1158,1160,1169,1176,1177,1185,1186,1190,1200,1202,1205,1207,1208,1209,1214,1215,1222,1227,1230,1234,1235,1239,1257,1259,1264,1272,1275,1278,1283,1285,1288,1290,1293,1304,1308,1321,1325,1326,1331,1334,1337,1340,1344,1348,1349,1350,1362,1364,1367,1369,1372,1373,1376,1384,1385,1388,1391,1397,1403,1406,1408,1415,1417,1427,1431,1432,1435,1436,1437,1438,1465,1466,1470,1472,1474,1491,1499,1500,1518,1529,1545,1546,1559,1560,1562,1573,1574,1576,1579,1586,1606,1610,1613,1614,1620,1621,1629,1634,1642,1646,1648,1653,1660,1665,1668,1674,1683,1686,1699,1703,1715,1716,1718,1719,1731,1745,1752,1761,1764,1766,1769,1777,1784,1786,1791,1792,1799,1804,1814,1821,1836,1839,1841,1851,1852,1869,1879,1880,1882,1888,1891,1905,1906,1907,1908,1915,1925,1926,1929,1933,1939,1946,1955,1956,1959,1967,1974,1978,1981,1985,1988,1991,1997,2001,2002,2011,2015,2016,2017,2022,2030,2031,2033,2037,2042,2050,2056,2060,2064,2070,2077,2079,2088,2090,2095,2096,2104,2105,2111,2112,2116,2123,2130,2132,2135,2137,2138,2140,2147,2149,2154,2167,2174,2177,2182,2185,2189,2192,2194,2206,2218,2224,2228,2232,2234,2257,2268,2269,2270,2271,2273,2278,2279,2287,2289,2290,2292,2306,2311,2313,2315,2319,2327,2330,2351,2352,2356,2362,2364,2369,2377,2383,2386,2395,2400,2404,2405,2406,2413,2415,2423,2424,2431,2432,2437,2438,2449,2464,2468,2469,2477,2486,2503,2504,2511,2517,2519,2522,2526,2527,2529,2544,2549,2551,2553,2559,2567,2569,2570,2571,2579,2581,2587,2588,2592,2594,2595,2607,2609,2610,2614,2617,2620,2622,2632,2636,2638,2644,2645,2646,2647,2649,2652,2655,2656,2658,2662,2666,2668,2674,2675,2676,2692,2698,2701,2713,2717,2727,2728,2730,2735,2738,2740,2742,2743,2763,2774,2785,2786,2788,2791,2802,2805,2809,2814,2816,2819,2833,2836,2839,2844,2845,2846,2858,2863,2867,2869,2871,2872,2874,2880,2882,2883,2893,2894,2895,2900,2909,2925,2929,2958,2960,2962,2965,2966,2973,2974,2979,2985,2987,3000,3001,3005,3008,3020,3028,3030,3031,3033,3036,3044,3046,3050,3061,3064,3066,3071,3076,3082,3088,3091,3106,3108,3117,3122,3123,3129,3130,3132,3135,3136,3144,3172,3174,3177,3178,3182,3190,3193,3200,3204,3210,3212,3214,3215,3216,3218,3219,3229,3230,3234,3241,3245,3248,3254,3263,3264,3268,3278,3280,3286,3289,3292,3295,3305,3306,3309,3317,3319,3320,3328,3333,3334,3336,3346,3356,3359,3360,3363,3364,3365,3368,3370,3373,3379,3384,3387,3389,3390,3395,3399,3409,3422,3425,3435,3438,3447,3450,3452,3461,3463,3467,3472,3477,3481,3485,3488,3491,3493,3495,3496,3498,3500,3521,3543,3560,3576,3603,3624,3641,3657,3676,3694,3716,3732,3759,3787,3807,3826,3845,3862,3883,3903,3924,3948,3966,3983,4003,4019,4046,4062,4082,4101,4118,4136,4157,4173,4192,4210,4226,4246,4262,4284]
\ No newline at end of file
diff --git a/cardano-chain-gen/test/testfiles/fingerprint/stakeDistGenesis b/cardano-chain-gen/test/testfiles/fingerprint/stakeDistGenesis
new file mode 100644
index 000000000..42445c6bb
--- /dev/null
+++ b/cardano-chain-gen/test/testfiles/fingerprint/stakeDistGenesis
@@ -0,0 +1 @@
+[3,4,6,13,22,31,43,46,52,54,56,64,69,73,76,78,79,90,98,99,104,105,106,109,111,113,114,120,122,124,132,142,143,144,152,158,163,167,199,201,209,210,216,219,235,237,254,261,268,273,275,279,280,285,303,304,306,309,310,313,322,325,327,329,330,331,335,340,346,348,353,361,366,372,373,376,377,378,383,388,391,392,393,397,406,408,409,413,420,422,430,438,440,444,452,454,456,460,461,468,469,471,478,483,488,503]
\ No newline at end of file
diff --git a/cardano-db-sync/src/Cardano/DbSync/Default.hs b/cardano-db-sync/src/Cardano/DbSync/Default.hs
index 6405d8308..4416d908d 100644
--- a/cardano-db-sync/src/Cardano/DbSync/Default.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/Default.hs
@@ -23,7 +23,7 @@ import           Cardano.DbSync.Era.Shelley.Adjust (adjustEpochRewards)
 import qualified Cardano.DbSync.Era.Shelley.Generic as Generic
 import           Cardano.DbSync.Era.Shelley.Insert (insertShelleyBlock)
 import           Cardano.DbSync.Era.Shelley.Insert.Epoch (finalizeEpochBulkOps, forceInsertRewards,
-                   insertPoolDepositRefunds, isEmptyEpochBulkOps, postEpochRewards, postEpochStake)
+                   insertPoolDepositRefunds, isEmptyEpochBulkOps, postEpochRewards)
 import           Cardano.DbSync.Era.Shelley.Validate (validateEpochRewards)
 import           Cardano.DbSync.Error
 import           Cardano.DbSync.LedgerState (LedgerEvent (..), LedgerStateSnapshot (..), applyBlock,
@@ -153,12 +153,6 @@ handleLedgerEvents tracer lenv point =
             , show (unEpochNo $ Generic.rwdEpoch rwds), " ", renderPoint point
             ]
           postEpochRewards lenv rwds point
-        LedgerStakeDist sdist -> do
-          liftIO . logInfo tracer $ mconcat
-            [ "Handling ", show (Map.size (Generic.sdistStakeMap sdist)), " stakes for epoch "
-            , show (unEpochNo $ Generic.sdistEpochNo sdist), " ", renderPoint point
-            ]
-          postEpochStake lenv sdist point
         LedgerRewardDist rwd ->
           lift $ stashPoolRewards tracer lenv rwd
         LedgerMirDist md ->
diff --git a/cardano-db-sync/src/Cardano/DbSync/Era/Byron/Insert.hs b/cardano-db-sync/src/Cardano/DbSync/Era/Byron/Insert.hs
index 972d847ef..bd659a89c 100644
--- a/cardano-db-sync/src/Cardano/DbSync/Era/Byron/Insert.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/Era/Byron/Insert.hs
@@ -78,10 +78,7 @@ insertABOBBoundary
     -> ExceptT SyncNodeError (ReaderT SqlBackend m) ()
 insertABOBBoundary tracer blk details = do
   -- Will not get called in the OBFT part of the Byron era.
-  let prevHash = case Byron.boundaryPrevHash (Byron.boundaryHeader blk) of
-                    Left gh -> Byron.genesisToHeaderHash gh
-                    Right hh -> Byron.unHeaderHash hh
-  pbid <- liftLookupFail "insertABOBBoundary" $ DB.queryBlockId prevHash
+  pbid <- liftLookupFail "insertABOBBoundary" $ DB.queryBlockId (Byron.ebbPrevHash blk)
   slid <- lift . DB.insertSlotLeader $
                   DB.SlotLeader
                     { DB.slotLeaderHash = BS.replicate 28 '\0'
@@ -123,7 +120,7 @@ insertABlock
     => Trace IO Text -> Bool -> Byron.ABlock ByteString -> SlotDetails
     -> ExceptT SyncNodeError (ReaderT SqlBackend m) ()
 insertABlock tracer firstBlockOfEpoch blk details = do
-    pbid <- liftLookupFail "insertABlock" $ DB.queryBlockId (Byron.unHeaderHash $ Byron.blockPreviousHash blk)
+    pbid <- liftLookupFail "insertABlock" $ DB.queryBlockId (Byron.blockPreviousHash blk)
     slid <- lift . DB.insertSlotLeader $ Byron.mkSlotLeader blk
     blkId <- lift . DB.insertBlock $
                   DB.Block
diff --git a/cardano-db-sync/src/Cardano/DbSync/Era/Byron/Util.hs b/cardano-db-sync/src/Cardano/DbSync/Era/Byron/Util.hs
index 40919702f..336609000 100644
--- a/cardano-db-sync/src/Cardano/DbSync/Era/Byron/Util.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/Era/Byron/Util.hs
@@ -15,6 +15,8 @@ module Cardano.DbSync.Era.Byron.Util
   , blockNumber
   , blockPayload
   , blockPreviousHash
+  , ebbPrevHash
+  , prevHash
   , epochNumber
   , genesisToHeaderHash
   , protocolVersion
@@ -40,6 +42,7 @@ import qualified Cardano.Chain.Slotting as Byron
 import qualified Cardano.Chain.UTxO as Byron
 import qualified Cardano.Chain.Update as Byron
 
+import qualified Ouroboros.Consensus.Byron.Ledger.Block as Byron
 
 import qualified Cardano.Db as DB
 
@@ -91,8 +94,19 @@ blockPayload :: Byron.ABlock a -> [Byron.TxAux]
 blockPayload =
   Byron.unTxPayload . Byron.bodyTxPayload . Byron.blockBody
 
-blockPreviousHash :: Byron.ABlock a -> Byron.HeaderHash
-blockPreviousHash = Byron.headerPrevHash . Byron.blockHeader
+blockPreviousHash :: Byron.ABlock a -> ByteString
+blockPreviousHash = unHeaderHash . Byron.headerPrevHash . Byron.blockHeader
+
+ebbPrevHash :: Byron.ABoundaryBlock a -> ByteString
+ebbPrevHash bblock =
+  case Byron.boundaryPrevHash (Byron.boundaryHeader bblock) of
+    Left gh -> genesisToHeaderHash gh
+    Right hh -> unHeaderHash hh
+
+prevHash :: Byron.ByronBlock -> ByteString
+prevHash blk = case Byron.byronBlockRaw blk of
+  Byron.ABOBBlock ablk -> blockPreviousHash ablk
+  Byron.ABOBBoundary abblk -> ebbPrevHash abblk
 
 epochNumber :: Byron.ABlock ByteString -> Word64 -> Word64
 epochNumber blk slotsPerEpoch =
diff --git a/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Generic/Block.hs b/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Generic/Block.hs
index d1ecd7517..5dc31454a 100644
--- a/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Generic/Block.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Generic/Block.hs
@@ -14,6 +14,7 @@ module Cardano.DbSync.Era.Shelley.Generic.Block
 
   , blockHash
   , slotLeaderHash
+  , blockPrevHash
   ) where
 
 import qualified Cardano.Api.Shelley as Api
diff --git a/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Generic/StakeDist.hs b/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Generic/StakeDist.hs
index a2e30bff8..0b3f0ce0a 100644
--- a/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Generic/StakeDist.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Generic/StakeDist.hs
@@ -1,14 +1,21 @@
 {-# LANGUAGE DataKinds #-}
+{-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE GADTs #-}
 {-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE ScopedTypeVariables #-}
+{-# LANGUAGE TupleSections #-}
+
 module Cardano.DbSync.Era.Shelley.Generic.StakeDist
-  ( StakeDist (..)
-  , epochStakeDist
+  ( StakeSliceRes (..)
+  , StakeSlice (..)
   , stakeDistPoolHashKeys
   , stakeDistStakeCreds
+  , getSecurityParameter
+  , getStakeSlice
   ) where
 
 import           Cardano.Prelude
+import           Prelude (id)
 
 import           Cardano.Crypto.Hash (hashToBytes)
 
@@ -21,82 +28,135 @@ import           Cardano.Ledger.Keys (KeyHash (..), KeyRole (..))
 import qualified Cardano.Ledger.Shelley.EpochBoundary as Shelley
 import qualified Cardano.Ledger.Shelley.LedgerState as Shelley hiding (_delegations)
 
-import           Cardano.Slotting.Slot (EpochNo (..))
-
 import           Cardano.DbSync.Era.Shelley.Generic.StakeCred
 import           Cardano.DbSync.Era.Shelley.Generic.StakePoolKeyHash
 import           Cardano.DbSync.Types
 
+import           Data.Compact.VMap (VB, VMap (..), VP)
 import qualified Data.Compact.VMap as VMap
 import qualified Data.Map.Strict as Map
 import qualified Data.Set as Set
+import qualified Data.Vector.Generic as VG
 
+import           Ouroboros.Consensus.Block
 import           Ouroboros.Consensus.Cardano.Block (LedgerState (..))
-
+import           Ouroboros.Consensus.Config
+import           Ouroboros.Consensus.HardFork.Combinator
 import           Ouroboros.Consensus.Ledger.Extended (ExtLedgerState (..))
-import           Ouroboros.Consensus.Shelley.Ledger.Block (ShelleyBlock)
+import           Ouroboros.Consensus.Node.ProtocolInfo
+import           Ouroboros.Consensus.Protocol.Abstract
+import           Ouroboros.Consensus.Shelley.Ledger
 import qualified Ouroboros.Consensus.Shelley.Ledger.Ledger as Consensus
 
+data StakeSliceRes =
+    Slice StakeSlice Bool -- True if this is the final slice for this epoch. Can be used for logging.
+  | NoSlices
 
-data StakeDist = StakeDist
-  { sdistEpochNo :: !EpochNo
-  , sdistStakeMap :: !(Map StakeCred (Coin, StakePoolKeyHash))
+data StakeSlice = StakeSlice
+  { sliceEpochNo :: !EpochNo
+  , sliceDistr :: !(Map StakeCred (Coin, StakePoolKeyHash))
   } deriving Eq
 
-epochStakeDist :: Ledger.Network -> EpochNo -> ExtLedgerState CardanoBlock -> Maybe StakeDist
-epochStakeDist network epoch els =
+emptySlice :: EpochNo -> StakeSlice
+emptySlice epoch = StakeSlice epoch Map.empty
+
+getSecurityParameter :: ConsensusProtocol (BlockProtocol blk)
+                     => ProtocolInfo IO blk -> Word64
+getSecurityParameter =  maxRollbacks . configSecurityParam . pInfoConfig
+
+-- 'sliceIndex' can match the epochBlockNo for every block.
+--
+-- 'minSliceSize' has to be constant or it could cause missing data.
+-- If this value is too small it will be adjusted to a 'defaultEpochSliceSize'
+-- which is big enough to cover all delegations.
+-- On mainnet, for a value minSliceSize = 2000, it will be used as the actual size of slices
+-- until the size of delegations grows up to 8.6M, in which case, the size of slices
+-- will be adjusted.
+getStakeSlice :: ConsensusProtocol (BlockProtocol blk)
+              => ProtocolInfo IO blk -> Ledger.Network
+              -> EpochNo -> Word64 -> Word64 -> ExtLedgerState CardanoBlock -> StakeSliceRes
+getStakeSlice pInfo network epoch sliceIndex minSliceSize els =
   case ledgerState els of
-    LedgerStateByron _ -> Nothing
-    LedgerStateShelley sls -> Just $ genericStakeDist network epoch sls
-    LedgerStateAllegra als -> Just $ genericStakeDist network epoch als
-    LedgerStateMary mls -> Just $ genericStakeDist network epoch mls
-    LedgerStateAlonzo als -> Just $ genericStakeDist network epoch als
-
--- Use Set because they guarantee unique elements.
-stakeDistPoolHashKeys :: StakeDist -> Set StakePoolKeyHash
-stakeDistPoolHashKeys = Set.fromList . map snd . Map.elems . sdistStakeMap
-
-stakeDistStakeCreds :: StakeDist -> Set StakeCred
-stakeDistStakeCreds = Map.keysSet . sdistStakeMap
-
--- -------------------------------------------------------------------------------------------------
-
-genericStakeDist :: forall era. Ledger.Network -> EpochNo -> LedgerState (ShelleyBlock era) -> StakeDist
-genericStakeDist network epoch lstate =
-    StakeDist
-      { sdistEpochNo = epoch
-      , sdistStakeMap = stakeMap
-      }
+    LedgerStateByron _ -> NoSlices
+    LedgerStateShelley sls -> genericStakeSlice pInfo network epoch sliceIndex minSliceSize sls
+    LedgerStateAllegra als -> genericStakeSlice pInfo network epoch sliceIndex minSliceSize als
+    LedgerStateMary mls -> genericStakeSlice pInfo network epoch sliceIndex minSliceSize mls
+    LedgerStateAlonzo als -> genericStakeSlice pInfo network epoch sliceIndex minSliceSize als
+
+genericStakeSlice :: forall era c blk. (c ~ Crypto era, ConsensusProtocol (BlockProtocol blk))
+                  => ProtocolInfo IO blk -> Ledger.Network -> EpochNo -> Word64 -> Word64
+                  -> LedgerState (ShelleyBlock era) -> StakeSliceRes
+genericStakeSlice pInfo network epoch sliceIndex minSliceSize lstate
+    | index > delegationsLen = NoSlices
+    | index == delegationsLen = Slice (emptySlice epoch) True
+    | index + epochSliceSize > delegationsLen = Slice (mkSlice (delegationsLen - index)) True
+    | otherwise = Slice (mkSlice epochSliceSize) False
   where
-    stakeMap :: Map StakeCred (Coin, StakePoolKeyHash)
-    stakeMap = Map.intersectionWith (,) stakeCoinMap stakePoolMap
-
-    stakeCoinMap :: Map StakeCred Coin
-    stakeCoinMap = mapBimap (toStakeCred network) Ledger.fromCompact stMap
-
-    stMap :: Map (Credential 'Staking (Crypto era)) (Ledger.CompactForm Coin)
-    stMap = VMap.toMap . Shelley.unStake $ Shelley._stake stakeSet
-
-    stakePoolMap :: Map StakeCred StakePoolKeyHash
-    stakePoolMap = mapBimap (toStakeCred network) convertStakePoolkeyHash delMap
-
-    delMap :: Map (Credential 'Staking (Crypto era)) (KeyHash 'StakePool (Crypto era))
-    delMap = VMap.toMap $ Shelley._delegations stakeSet
-
     -- We use '_pstakeSet' here instead of '_pstateMark' because the stake addresses for the
     -- later may not have been added to the database yet. That means that when these values
     -- are added to the database, the epoch number where they become active is the current
     -- epoch plus one.
 
-    stakeSet :: Shelley.SnapShot (Crypto era)
-    stakeSet = Shelley._pstakeSet . Shelley.esSnapshots . Shelley.nesEs
+    stakeSnapshot :: Shelley.SnapShot c
+    stakeSnapshot = Shelley._pstakeSet . Shelley.esSnapshots . Shelley.nesEs
                 $ Consensus.shelleyLedgerState lstate
 
-    convertStakePoolkeyHash :: KeyHash 'StakePool (Crypto era) -> StakePoolKeyHash
+    delegations :: VMap.KVVector VB VB (Credential 'Staking c, KeyHash 'StakePool c)
+    delegations = VMap.unVMap $ Shelley._delegations stakeSnapshot
+
+    delegationsLen :: Word64
+    delegationsLen = fromIntegral $ VG.length delegations
+
+    stakes :: VMap VB VP (Credential 'Staking c) (Ledger.CompactForm Coin)
+    stakes = Shelley.unStake $ Shelley._stake stakeSnapshot
+
+    lookupStake :: Credential 'Staking c -> Maybe Coin
+    lookupStake cred = Ledger.fromCompact <$> VMap.lookup cred stakes
+
+    -- This is deterministic for the whole epoch and is the constant size of slices
+    -- until the data are over. This means the last slice could be of smaller size and slices
+    -- after that will be empty.
+    epochSliceSize :: Word64
+    epochSliceSize =
+        max minSliceSize defaultEpochSliceSize
+      where
+        -- On mainnet this is 2160
+        k :: Word64
+        k = getSecurityParameter pInfo
+
+        -- On mainnet this is 21600
+        expectedBlocks :: Word64
+        expectedBlocks = 10 * k
+
+        -- This size of slices is enough to cover the whole list, even if only
+        -- the 20% of the expected blocks appear in an epoch.
+        defaultEpochSliceSize :: Word64
+        defaultEpochSliceSize = 1 + div (delegationsLen * 5) expectedBlocks
+
+    -- The starting index of the data in the delegation vector.
+    index :: Word64
+    index = sliceIndex * epochSliceSize
+
+    mkSlice :: Word64 -> StakeSlice
+    mkSlice size =
+        StakeSlice
+          { sliceEpochNo = epoch
+          , sliceDistr = distribution
+          }
+      where
+        delegationsSliced :: VMap VB VB (Credential 'Staking c) (KeyHash 'StakePool c)
+        delegationsSliced = VMap $ VG.slice (fromIntegral index) (fromIntegral size) delegations
+
+        distribution :: Map StakeCred (Coin, StakePoolKeyHash)
+        distribution = Map.mapKeys (toStakeCred network) $ VMap.toMap $
+          VMap.mapMaybe id $ VMap.mapWithKey (\k p -> (, convertStakePoolkeyHash p) <$> lookupStake k) delegationsSliced
+
+    convertStakePoolkeyHash :: KeyHash 'StakePool c -> StakePoolKeyHash
     convertStakePoolkeyHash (KeyHash h) = StakePoolKeyHash $ hashToBytes h
 
--- Is there a better way to do this?
-mapBimap :: Ord k2 => (k1 -> k2) -> (a1 -> a2) -> Map k1 a1 -> Map k2 a2
-mapBimap fk fa = Map.fromAscList . map (bimap fk fa) . Map.toAscList
-
+-- Use Set because they guarantee unique elements.
+stakeDistPoolHashKeys :: StakeSlice -> Set StakePoolKeyHash
+stakeDistPoolHashKeys = Set.fromList . map snd . Map.elems . sliceDistr
 
+stakeDistStakeCreds :: StakeSlice -> Set StakeCred
+stakeDistStakeCreds = Map.keysSet . sliceDistr
diff --git a/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert.hs b/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert.hs
index 009d499be..8c143263d 100644
--- a/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert.hs
@@ -10,7 +10,6 @@
 module Cardano.DbSync.Era.Shelley.Insert
   ( insertShelleyBlock
   , postEpochRewards
-  , postEpochStake
 
   -- These are exported for data in Shelley Genesis
   , insertPoolRegister
@@ -137,6 +136,8 @@ insertShelleyBlock tracer lenv firstBlockOfEpoch blk lStateSnap details = do
     whenJust (lssNewEpoch lStateSnap) $ \ newEpoch -> do
       insertOnNewEpoch tracer blkId (Generic.blkSlotNo blk) (sdEpochNo details) newEpoch
 
+    insertStakeSlice tracer (leIndexCache lenv) (lssStakeSlice lStateSnap)
+
     mbop <- liftIO . atomically $ tryReadTBQueue (leBulkOpQueue lenv)
     whenJust (maybeToStrict mbop) $ \ bop ->
       insertEpochInterleaved tracer bop
diff --git a/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert/Epoch.hs b/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert/Epoch.hs
index 347e70ec5..dd76c0c8a 100644
--- a/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert/Epoch.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert/Epoch.hs
@@ -15,7 +15,7 @@ module Cardano.DbSync.Era.Shelley.Insert.Epoch
   , insertEpochInterleaved
   , insertPoolDepositRefunds
   , postEpochRewards
-  , postEpochStake
+  , insertStakeSlice
   ) where
 
 import           Cardano.Prelude
@@ -36,8 +36,8 @@ import           Cardano.DbSync.Util
 
 import           Cardano.Slotting.Slot (EpochNo (..))
 
-import           Control.Monad.Class.MonadSTM.Strict (flushTBQueue, isEmptyTBQueue, readTVar,
-                   writeTBQueue, writeTVar)
+import           Control.Monad.Class.MonadSTM.Strict (StrictTVar, flushTBQueue, isEmptyTBQueue,
+                   readTVar, readTVarIO, writeTBQueue, writeTVar)
 import           Control.Monad.Extra (mapMaybeM)
 import           Control.Monad.Trans.Control (MonadBaseControl)
 import           Control.Monad.Trans.Except.Extra (hoistEither)
@@ -93,19 +93,7 @@ insertEpochInterleaved tracer bop =
       BulkRewardReport epochNo _ rewardCount total -> do
         liftIO $ reportRewards epochNo rewardCount
         lift $ insertEpochRewardTotalReceived epochNo total
-      BulkStakeDistChunk epochNo _ icache sDistChunk ->
-        insertEpochStake tracer icache epochNo sDistChunk
-      BulkStakeDistReport epochNo _ count ->
-        liftIO $ reportStakeDist epochNo count
   where
-    reportStakeDist :: EpochNo -> Int -> IO ()
-    reportStakeDist epochNo count =
-      logInfo tracer $
-        mconcat
-          [ "insertEpochInterleaved: Epoch ", textShow (unEpochNo epochNo)
-          , ", ", textShow count, " stake addresses"
-          ]
-
     reportRewards :: EpochNo -> Int -> IO ()
     reportRewards epochNo rewardCount =
       logInfo tracer $
@@ -127,18 +115,6 @@ postEpochRewards lenv rwds point = do
     writeTBQueue (leBulkOpQueue lenv) $
       BulkRewardReport epochNo point (length $ Generic.rwdRewards rwds) (sumRewardTotal $ Generic.rwdRewards rwds)
 
-postEpochStake
-     :: (MonadBaseControl IO m, MonadIO m)
-     => LedgerEnv -> Generic.StakeDist -> CardanoPoint
-     -> ExceptT SyncNodeError (ReaderT SqlBackend m) ()
-postEpochStake lenv smap point = do
-  icache <- lift $ updateIndexCache lenv (Generic.stakeDistStakeCreds smap) (Generic.stakeDistPoolHashKeys smap)
-  liftIO . atomically $ do
-    let epochNo = Generic.sdistEpochNo smap
-    forM_ (chunksOf 1000 $ Map.toList (Generic.sdistStakeMap smap)) $ \stakeChunk ->
-      writeTBQueue (leBulkOpQueue lenv) $ BulkStakeDistChunk epochNo point icache stakeChunk
-    writeTBQueue (leBulkOpQueue lenv) $ BulkStakeDistReport epochNo point (length $ Generic.sdistStakeMap smap)
-
 isEmptyEpochBulkOps
      :: MonadIO m
      => LedgerEnv
@@ -159,12 +135,26 @@ insertEpochRewardTotalReceived epochNo total =
       , DB.epochRewardTotalReceivedAmount = Generic.coinToDbLovelace total
       }
 
+insertStakeSlice
+    :: (MonadBaseControl IO m, MonadIO m)
+    => Trace IO Text -> StrictTVar IO IndexCache -> Generic.StakeSliceRes
+    -> ExceptT SyncNodeError (ReaderT SqlBackend m) ()
+insertStakeSlice _ _ Generic.NoSlices = pure ()
+insertStakeSlice tracer cacheVar (Generic.Slice slice finalSlice) = do
+    cache <- liftIO $ readTVarIO cacheVar
+    -- cache TVar is not updated. We just use a slice here.
+    cacheSlice <- lift $ modifyCache (Generic.stakeDistStakeCreds slice) (Generic.stakeDistPoolHashKeys slice) cache
+    insertEpochStake cacheSlice (Generic.sliceEpochNo slice) (Map.toList $ Generic.sliceDistr slice)
+    when finalSlice $ do
+      size <- lift $ DB.queryEpochStakeCount (unEpochNo $ Generic.sliceEpochNo slice)
+      liftIO . logInfo tracer $ mconcat ["Inserted ", show size, " EpochStake for ", show (Generic.sliceEpochNo slice)]
+
 insertEpochStake
     :: (MonadBaseControl IO m, MonadIO m)
-    => Trace IO Text -> IndexCache -> EpochNo
+    => IndexCache -> EpochNo
     -> [(Generic.StakeCred, (Shelley.Coin, Generic.StakePoolKeyHash))]
     -> ExceptT SyncNodeError (ReaderT SqlBackend m) ()
-insertEpochStake _tracer icache epochNo stakeChunk = do
+insertEpochStake icache epochNo stakeChunk = do
     dbStakes <- mapM mkStake stakeChunk
     lift $ DB.insertManyEpochStakes dbStakes
   where
@@ -292,21 +282,22 @@ updateIndexCache
     -> ReaderT SqlBackend m IndexCache
 updateIndexCache lenv screds pkhs = do
     oldCache <- liftIO . atomically $ readTVar (leIndexCache lenv)
-    newIndexCache <- createNewCache oldCache
+    newIndexCache <- modifyCache screds pkhs oldCache
     liftIO . atomically $ writeTVar (leIndexCache lenv) newIndexCache
     pure newIndexCache
-  where
-    createNewCache
-        :: (MonadBaseControl IO m, MonadIO m)
-        => IndexCache -> ReaderT SqlBackend m IndexCache
-    createNewCache oldCache = do
-      newAddresses <- newAddressCache (icAddressCache oldCache)
-      newPools <- newPoolCache (icPoolCache oldCache)
-      pure $ IndexCache
-                { icAddressCache = newAddresses
-                , icPoolCache = newPools
-                }
 
+modifyCache
+    :: (MonadBaseControl IO m, MonadIO m)
+    => Set Generic.StakeCred -> Set Generic.StakePoolKeyHash
+    -> IndexCache -> ReaderT SqlBackend m IndexCache
+modifyCache screds pkhs oldCache = do
+    newAddresses <- newAddressCache (icAddressCache oldCache)
+    newPools <- newPoolCache (icPoolCache oldCache)
+    pure $ IndexCache
+              { icAddressCache = newAddresses
+              , icPoolCache = newPools
+              }
+  where
     newAddressCache
         :: (MonadBaseControl IO m, MonadIO m)
         => Map Generic.StakeCred DB.StakeAddressId
diff --git a/cardano-db-sync/src/Cardano/DbSync/LedgerEvent.hs b/cardano-db-sync/src/Cardano/DbSync/LedgerEvent.hs
index 9a1ea817a..63597c3fd 100644
--- a/cardano-db-sync/src/Cardano/DbSync/LedgerEvent.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/LedgerEvent.hs
@@ -54,7 +54,6 @@ data LedgerEvent
   = LedgerNewEpoch !EpochNo !SyncState
   | LedgerStartAtEpoch !EpochNo
   | LedgerRewards !SlotDetails !Generic.Rewards
-  | LedgerStakeDist !Generic.StakeDist
 
   | LedgerRewardDist !Generic.Rewards
   | LedgerMirDist !Generic.Rewards
diff --git a/cardano-db-sync/src/Cardano/DbSync/LedgerState.hs b/cardano-db-sync/src/Cardano/DbSync/LedgerState.hs
index ce6487589..ce81f64de 100644
--- a/cardano-db-sync/src/Cardano/DbSync/LedgerState.hs
+++ b/cardano-db-sync/src/Cardano/DbSync/LedgerState.hs
@@ -4,6 +4,7 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilies #-}
@@ -32,11 +33,11 @@ module Cardano.DbSync.LedgerState
   , getAlonzoPParams
   ) where
 
-import           Prelude (String, id)
+import           Prelude (String, fail, id)
 
 import           Cardano.BM.Trace (Trace, logInfo, logWarning)
 
-import           Cardano.Binary (DecoderError)
+import           Cardano.Binary (Decoder, DecoderError, Encoding, FromCBOR (..), ToCBOR (..))
 import qualified Cardano.Binary as Serialize
 
 import qualified Cardano.Db as DB
@@ -130,8 +131,6 @@ import           System.Mem (performMajorGC)
 data BulkOperation
   = BulkRewardChunk !EpochNo !CardanoPoint !IndexCache ![(StakeCred, Set Generic.Reward)]
   | BulkRewardReport !EpochNo !CardanoPoint !Int !Coin
-  | BulkStakeDistChunk !EpochNo !CardanoPoint !IndexCache ![(StakeCred, (Coin, StakePoolKeyHash))]
-  | BulkStakeDistReport !EpochNo !CardanoPoint !Int
 
 data IndexCache = IndexCache
   { icAddressCache :: !(Map StakeCred DB.StakeAddressId)
@@ -161,21 +160,54 @@ data LedgerEnv = LedgerEnv
   , leStableEpochSlot :: !EpochSlot
   }
 
+-- TODO this is unstable in terms of restarts and we should try to remove it.
 data LedgerEventState = LedgerEventState
   { lesInitialized :: !Bool
   , lesEpochNo :: !(Maybe EpochNo)
   , lesLastRewardsEpoch :: !(Maybe EpochNo)
-  , lesLastStateDistEpoch :: !(Maybe EpochNo)
   , lesLastAdded :: !CardanoPoint
   }
 
 topLevelConfig :: LedgerEnv -> TopLevelConfig CardanoBlock
 topLevelConfig = Consensus.pInfoConfig . leProtocolInfo
 
-newtype CardanoLedgerState = CardanoLedgerState
+data CardanoLedgerState = CardanoLedgerState
   { clsState :: ExtLedgerState CardanoBlock
+  , clsEpochBlockNo :: EpochBlockNo
   }
 
+-- The height of the block in the current Epoch. We maintain this
+-- data next to the ledger state and store it in the same blob file.
+data EpochBlockNo = GenesisEpochBlockNo | EBBEpochBlockNo | EpochBlockNo Word64
+
+instance ToCBOR EpochBlockNo where
+  toCBOR GenesisEpochBlockNo = toCBOR (0 :: Word8)
+  toCBOR EBBEpochBlockNo = toCBOR (1 :: Word8)
+  toCBOR (EpochBlockNo n) =
+      toCBOR (2 :: Word8) <> toCBOR n
+
+instance FromCBOR EpochBlockNo where
+  fromCBOR = do
+    tag :: Word8 <- fromCBOR
+    case tag of
+      0 -> pure GenesisEpochBlockNo
+      1 -> pure EBBEpochBlockNo
+      2 -> EpochBlockNo <$> fromCBOR
+      n -> fail $ "unexpected EpochBlockNo value " <> show n
+
+encodeCardanoLedgerState :: (ExtLedgerState CardanoBlock -> Encoding)
+                         -> CardanoLedgerState -> Encoding
+encodeCardanoLedgerState encodeExt cls = mconcat
+    [ encodeExt (clsState cls)
+    , toCBOR (clsEpochBlockNo cls)
+    ]
+
+decodeCardanoLedgerState :: (forall s. Decoder s (ExtLedgerState CardanoBlock))
+                         -> (forall s. Decoder s CardanoLedgerState)
+decodeCardanoLedgerState decodeExt = do
+    ldgrState <- decodeExt
+    CardanoLedgerState ldgrState <$> fromCBOR
+
 data LedgerStateFile = LedgerStateFile
   { lsfSlotNo :: !SlotNo
   , lsfHash :: !ByteString
@@ -189,6 +221,7 @@ data LedgerStateSnapshot = LedgerStateSnapshot
   , lssNewEpoch :: !(Strict.Maybe Generic.NewEpoch) -- Only Just for a single block at the epoch boundary
   , lssSlotDetails :: !SlotDetails
   , lssPoint :: !CardanoPoint
+  , lssStakeSlice :: !Generic.StakeSliceRes
   , lssEvents :: ![LedgerEvent]
   }
 
@@ -259,7 +292,6 @@ mkLedgerEnv trce protocolInfo dir nw stableEpochSlot systemStart aop = do
         { lesInitialized = False
         , lesEpochNo = Nothing
         , lesLastRewardsEpoch = Nothing
-        , lesLastStateDistEpoch = Nothing
         , lesLastAdded = GenesisPoint
         }
 
@@ -267,6 +299,7 @@ mkLedgerEnv trce protocolInfo dir nw stableEpochSlot systemStart aop = do
 initCardanoLedgerState :: Consensus.ProtocolInfo IO CardanoBlock -> CardanoLedgerState
 initCardanoLedgerState pInfo = CardanoLedgerState
       { clsState = Consensus.pInfoInitLedger pInfo
+      , clsEpochBlockNo = GenesisEpochBlockNo
       }
 
 -- TODO make this type safe. We make the assumption here that the first message of
@@ -291,18 +324,22 @@ applyBlock env blk = do
       ledgerDB <- readStateUnsafe env
       let oldState = ledgerDbCurrent ledgerDB
       let !result = applyBlk (ExtLedgerCfg (topLevelConfig env)) blk (clsState oldState)
-      let !newState = oldState { clsState = lrResult result }
-      details <- getSlotDetails env (ledgerState $ clsState newState) time (cardanoBlockSlotNo blk)
+      let !newLedgerState = lrResult result
+      details <- getSlotDetails env (ledgerState newLedgerState) time (cardanoBlockSlotNo blk)
+      let !newEpoch = mkNewEpoch (clsState oldState) newLedgerState
+      let !newEpochBlockNo = applyToEpochBlockNo (isJust $ blockIsEBB blk) (isJust newEpoch) (clsEpochBlockNo oldState)
+      let !newState = CardanoLedgerState newLedgerState newEpochBlockNo
       let !ledgerDB' = pushLedgerDB ledgerDB newState
       writeTVar (leStateVar env) (Just ledgerDB')
       oldEventState <- readTVar (leEventState env)
-      events <- generateEvents env oldEventState  details newState (blockPoint blk)
+      events <- generateEvents env oldEventState details newState (blockPoint blk)
       pure $ LedgerStateSnapshot
                 { lssState = newState
                 , lssOldState = oldState
-                , lssNewEpoch = maybeToStrict $ mkNewEpoch oldState newState
+                , lssNewEpoch = maybeToStrict newEpoch
                 , lssSlotDetails = details
                 , lssPoint = blockPoint blk
+                , lssStakeSlice = stakeSlice newState details
                 , lssEvents = events ++ mapMaybe (convertAuxLedgerEvent (leNetwork env)) (lrEvents result)
                 }
   where
@@ -315,7 +352,7 @@ applyBlock env blk = do
         Left err -> panic err
         Right result -> result
 
-    mkNewEpoch :: CardanoLedgerState -> CardanoLedgerState -> Maybe Generic.NewEpoch
+    mkNewEpoch :: ExtLedgerState CardanoBlock -> ExtLedgerState CardanoBlock -> Maybe Generic.NewEpoch
     mkNewEpoch oldState newState =
       if ledgerEpochNo env newState /= ledgerEpochNo env oldState + 1
         then Nothing
@@ -325,16 +362,36 @@ applyBlock env blk = do
               { Generic.neEpoch = ledgerEpochNo env newState
               , Generic.neIsEBB = isJust $ blockIsEBB blk
               , Generic.neAdaPots = maybeToStrict $ getAdaPots newState
-              , Generic.neEpochUpdate = Generic.epochUpdate (clsState newState)
+              , Generic.neEpochUpdate = Generic.epochUpdate newState
               }
 
+    applyToEpochBlockNo :: Bool -> Bool -> EpochBlockNo -> EpochBlockNo
+    applyToEpochBlockNo True _ _ = EBBEpochBlockNo
+    applyToEpochBlockNo _ True _ = EpochBlockNo 0
+    applyToEpochBlockNo _ _ (EpochBlockNo n) = EpochBlockNo (n + 1)
+    applyToEpochBlockNo _ _ GenesisEpochBlockNo = EpochBlockNo 0
+    applyToEpochBlockNo _ _ EBBEpochBlockNo = EpochBlockNo 0
+
+    stakeSliceMinSize :: Word64
+    stakeSliceMinSize = 2000
+
+    stakeSlice :: CardanoLedgerState -> SlotDetails -> Generic.StakeSliceRes
+    stakeSlice cls details = case clsEpochBlockNo cls of
+      EpochBlockNo n -> Generic.getStakeSlice
+                          (leProtocolInfo env)
+                          (leNetwork env)
+                          (sdEpochNo details)
+                          n
+                          stakeSliceMinSize
+                          (clsState cls)
+      _ -> Generic.NoSlices
+
 generateEvents :: LedgerEnv -> LedgerEventState -> SlotDetails -> CardanoLedgerState -> CardanoPoint -> STM [LedgerEvent]
 generateEvents env oldEventState details cls pnt = do
     writeTVar (leEventState env) newEventState
     pure $ catMaybes
             [ newEpochEvent
             , LedgerRewards details <$> rewards
-            , LedgerStakeDist <$> stakeDist
             ]
   where
     currentEpochNo :: EpochNo
@@ -359,22 +416,9 @@ generateEvents env oldEventState details cls pnt = do
             then mkRewards
             else Nothing
 
-
     mkRewards :: Maybe Generic.Rewards
     mkRewards = Generic.epochRewards (leNetwork env) (sdEpochNo details) (clsState cls)
 
-    stakeDist :: Maybe Generic.StakeDist
-    stakeDist =
-      case lesLastStateDistEpoch oldEventState of
-        Nothing -> mkStakeDist
-        Just oldStakeEpoch ->
-          if oldStakeEpoch < currentEpochNo
-            then mkStakeDist
-            else Nothing
-
-    mkStakeDist :: Maybe Generic.StakeDist
-    mkStakeDist = Generic.epochStakeDist (leNetwork env) (sdEpochNo details) (clsState cls)
-
     newEventState :: LedgerEventState
     newEventState =
       LedgerEventState
@@ -384,19 +428,15 @@ generateEvents env oldEventState details cls pnt = do
             if isJust rewards
               then Just currentEpochNo
               else lesLastRewardsEpoch oldEventState
-        , lesLastStateDistEpoch =
-            if isJust stakeDist
-              then Just currentEpochNo
-              else lesLastStateDistEpoch oldEventState
         , lesLastAdded =
-            if isNothing rewards && isNothing stakeDist
+            if isNothing rewards
               then lesLastAdded oldEventState
               else pnt
         }
 
-saveCurrentLedgerState :: LedgerEnv -> ExtLedgerState CardanoBlock -> Maybe EpochNo -> IO ()
+saveCurrentLedgerState :: LedgerEnv -> CardanoLedgerState -> Maybe EpochNo -> IO ()
 saveCurrentLedgerState env ledger mEpochNo = do
-    case mkLedgerStateFilename (leDir env) ledger mEpochNo of
+    case mkLedgerStateFilename (leDir env) (clsState ledger) mEpochNo of
       Origin -> pure () -- we don't store genesis
       At file -> do
         exists <- doesFileExist file
@@ -406,11 +446,12 @@ saveCurrentLedgerState env ledger mEpochNo = do
         else do
           LBS.writeFile file $
             Serialize.serializeEncoding $
-              Consensus.encodeExtLedgerState
-                 (encodeDisk codecConfig)
-                 (encodeDisk codecConfig)
-                 (encodeDisk codecConfig)
-                 ledger
+              encodeCardanoLedgerState
+                (Consensus.encodeExtLedgerState
+                   (encodeDisk codecConfig)
+                   (encodeDisk codecConfig)
+                   (encodeDisk codecConfig))
+                ledger
           logInfo (leTrace env) $ mconcat ["Took a ledger snapshot at ", Text.pack file]
   where
     codecConfig :: CodecConfig CardanoBlock
@@ -423,7 +464,7 @@ mkLedgerStateFilename dir ledger mEpochNo = lsfFilePath . dbPointToFileName dir
 saveCleanupState :: LedgerEnv -> CardanoLedgerState -> Maybe EpochNo -> IO ()
 saveCleanupState env ledger mEpochNo = do
   let st = clsState ledger
-  saveCurrentLedgerState env st mEpochNo
+  saveCurrentLedgerState env ledger mEpochNo
   cleanupLedgerStateFiles env $
     fromWithOrigin (SlotNo 0) (ledgerTipSlot $ ledgerState st)
 
@@ -639,9 +680,9 @@ loadLedgerStateFromFile config delete lsf = do
     mst <- safeReadFile (lsfFilePath lsf)
     case mst of
       Left err -> when delete (safeRemoveFile $ lsfFilePath lsf) >> pure (Left err)
-      Right st -> pure . Right $ CardanoLedgerState { clsState = st }
+      Right st -> pure $ Right st
   where
-    safeReadFile :: FilePath -> IO (Either Text (ExtLedgerState CardanoBlock))
+    safeReadFile :: FilePath -> IO (Either Text CardanoLedgerState)
     safeReadFile fp = do
       mbs <- Exception.try $ BS.readFile fp
       case mbs of
@@ -654,16 +695,21 @@ loadLedgerStateFromFile config delete lsf = do
     codecConfig :: CodecConfig CardanoBlock
     codecConfig = configCodec config
 
-    decode :: ByteString -> Either DecoderError (ExtLedgerState CardanoBlock)
-    decode =
+    decode :: ByteString -> Either DecoderError CardanoLedgerState
+    decode = do
       Serialize.decodeFullDecoder
           "Ledger state file"
-          (Consensus.decodeExtLedgerState
-            (decodeDisk codecConfig)
-            (decodeDisk codecConfig)
-            (decodeDisk codecConfig))
+          decodeState
         . LBS.fromStrict
 
+    decodeState :: (forall s. Decoder s CardanoLedgerState)
+    decodeState =
+      decodeCardanoLedgerState $
+        Consensus.decodeExtLedgerState
+          (decodeDisk codecConfig)
+          (decodeDisk codecConfig)
+          (decodeDisk codecConfig)
+
 -- Get a list of the ledger state files order most recent
 listLedgerStateFilesOrdered :: LedgerStateDir -> IO [LedgerStateFile]
 listLedgerStateFilesOrdered dir = do
@@ -702,18 +748,18 @@ getPoolParamsShelley lState =
 
 -- We only compute 'AdaPots' for later eras. This is a time consuming
 -- function and we only want to run it on epoch boundaries.
-getAdaPots :: CardanoLedgerState -> Maybe Shelley.AdaPots
+getAdaPots :: ExtLedgerState CardanoBlock -> Maybe Shelley.AdaPots
 getAdaPots st =
-    case ledgerState $ clsState st of
+    case ledgerState st of
       LedgerStateByron _ -> Nothing
       LedgerStateShelley sts -> Just $ totalAdaPots sts
       LedgerStateAllegra sta -> Just $ totalAdaPots sta
       LedgerStateMary stm -> Just $ totalAdaPots stm
       LedgerStateAlonzo sta -> Just $ totalAdaPots sta
 
-ledgerEpochNo :: LedgerEnv -> CardanoLedgerState -> EpochNo
+ledgerEpochNo :: LedgerEnv -> ExtLedgerState CardanoBlock -> EpochNo
 ledgerEpochNo env cls =
-    case ledgerTipSlot (ledgerState (clsState cls)) of
+    case ledgerTipSlot (ledgerState cls) of
       Origin -> 0 -- An empty chain is in epoch 0
       NotOrigin slot ->
         case runExcept $ epochInfoEpoch epochInfo slot of
@@ -721,7 +767,7 @@ ledgerEpochNo env cls =
           Right en -> en
   where
     epochInfo :: EpochInfo (Except Consensus.PastHorizonException)
-    epochInfo = epochInfoLedger (configLedger $ topLevelConfig env) (hardForkLedgerStatePerEra . ledgerState $ clsState cls)
+    epochInfo = epochInfoLedger (configLedger $ topLevelConfig env) (hardForkLedgerStatePerEra $ ledgerState cls)
 
 -- Like 'Consensus.tickThenReapply' but also checks that the previous hash from the block matches
 -- the head hash of the ledger state.
diff --git a/cardano-db/src/Cardano/Db/Insert.hs b/cardano-db/src/Cardano/Db/Insert.hs
index c68e55a6e..4cf89e223 100644
--- a/cardano-db/src/Cardano/Db/Insert.hs
+++ b/cardano-db/src/Cardano/Db/Insert.hs
@@ -19,7 +19,6 @@ module Cardano.Db.Insert
   , insertManyRewards
   , insertManyTxIn
   , insertMaTxMint
-  , insertMaTxOut
   , insertManyMaTxOut
   , insertMeta
   , insertMultiAsset
@@ -73,7 +72,7 @@ import           Data.Proxy (Proxy (..))
 import           Data.Text (Text)
 import qualified Data.Text as Text
 
-import           Database.Persist.Class (AtLeastOneUniqueKey, PersistEntityBackend, checkUnique,
+import           Database.Persist.Class (AtLeastOneUniqueKey, PersistEntityBackend, PersistEntity, checkUnique,
                    insert, insertBy, replaceUnique)
 import           Database.Persist.EntityDef.Internal (entityDB, entityUniques)
 import           Database.Persist.Sql (OnlyOneUniqueKey, PersistRecordBackend, SqlBackend,
@@ -146,9 +145,6 @@ insertManyTxIn = insertManyUncheckedUnique "Many TxIn"
 insertMaTxMint :: (MonadBaseControl IO m, MonadIO m) => MaTxMint -> ReaderT SqlBackend m MaTxMintId
 insertMaTxMint = insertCheckUnique "insertMaTxMint"
 
-insertMaTxOut :: (MonadBaseControl IO m, MonadIO m) => MaTxOut -> ReaderT SqlBackend m MaTxOutId
-insertMaTxOut = insertCheckUnique "insertMaTxOut"
-
 insertManyMaTxOut :: (MonadBaseControl IO m, MonadIO m) => [MaTxOut] -> ReaderT SqlBackend m ()
 insertManyMaTxOut = insertManyUncheckedUnique "Many MaTxOut"
 
@@ -276,6 +272,40 @@ insertMany' vtype records = handle exceptHandler (insertMany records)
     exceptHandler e =
       liftIO $ throwIO (DbInsertException vtype e)
 
+-- Used to benchmark tables without unique keys.
+_insertManyNoUnique
+    :: forall m record.
+        ( MonadBaseControl IO m
+        , MonadIO m
+        , PersistEntity record
+        )
+    => String -> [record] -> ReaderT SqlBackend m ()
+_insertManyNoUnique vtype records =
+    unless (null records) $
+      handle exceptHandler (rawExecute query values)
+  where
+    query :: Text
+    query =
+      Text.concat
+        [ "INSERT INTO "
+        , unEntityNameDB (entityDB . entityDef $ records)
+        , " (", Util.commaSeparated fieldNames
+        , ") VALUES "
+        ,  Util.commaSeparated . replicate (length records)
+             . Util.parenWrapped . Util.commaSeparated $ placeholders
+        ]
+
+    values :: [PersistValue]
+    values = concatMap (map toPersistValue . toPersistFields) records
+
+    fieldNames, placeholders :: [Text]
+    (fieldNames, placeholders) =
+      unzip (Util.mkInsertPlaceholders (entityDef (Proxy @record)) escapeFieldName)
+
+    exceptHandler :: SqlError -> ReaderT SqlBackend m a
+    exceptHandler e =
+      liftIO $ throwIO (DbInsertException vtype e)
+
 insertManyUncheckedUnique
     :: forall m record.
         ( MonadBaseControl IO m
diff --git a/cardano-db/src/Cardano/Db/Query.hs b/cardano-db/src/Cardano/Db/Query.hs
index 32044ae25..146f84424 100644
--- a/cardano-db/src/Cardano/Db/Query.hs
+++ b/cardano-db/src/Cardano/Db/Query.hs
@@ -57,6 +57,7 @@ module Cardano.Db.Query
   , queryTxOutCount
   , queryTxOutValue
   , queryTxOutCredentials
+  , queryEpochStakeCount
   , queryUtxoAtBlockNo
   , queryUtxoAtSlotNo
   , queryWithdrawalsUpToBlockNo
@@ -742,6 +743,13 @@ queryUtxoAtBlockId blkid = do
       (out, Value (Just hash')) -> Just (entityVal out, hash')
       (_, Value Nothing) -> Nothing
 
+queryEpochStakeCount :: MonadIO m => Word64 -> ReaderT SqlBackend m Word64
+queryEpochStakeCount epoch = do
+  res <- select $ do
+    epochStake <- from $ table @ EpochStake
+    where_ (epochStake ^. EpochStakeEpochNo ==. val epoch)
+    pure countRows
+  pure $ maybe 0 unValue (listToMaybe res)
 
 queryUtxoAtBlockNo :: MonadIO m => Word64 -> ReaderT SqlBackend m [(TxOut, ByteString)]
 queryUtxoAtBlockNo blkNo = do
diff --git a/schema/migration-2-0011-20220318.sql b/schema/migration-2-0011-20220318.sql
new file mode 100644
index 000000000..fd5791fab
--- /dev/null
+++ b/schema/migration-2-0011-20220318.sql
@@ -0,0 +1,21 @@
+-- Persistent generated migration.
+
+CREATE FUNCTION migrate() RETURNS void AS $$
+DECLARE
+  next_version int ;
+BEGIN
+  SELECT stage_two + 1 INTO next_version FROM schema_version ;
+  IF next_version = 11 THEN
+    EXECUTE 'ALTER TABLE "block" ALTER COLUMN "slot_no" TYPE word63type' ;
+    EXECUTE 'ALTER TABLE "ada_pots" ALTER COLUMN "slot_no" TYPE word63type' ;
+    EXECUTE 'ALTER TABLE "delegation" ALTER COLUMN "slot_no" TYPE word63type' ;
+    -- Hand written SQL statements can be added here.
+    UPDATE schema_version SET stage_two = next_version ;
+    RAISE NOTICE 'DB has been migrated to stage_two version %', next_version ;
+  END IF ;
+END ;
+$$ LANGUAGE plpgsql ;
+
+SELECT migrate() ;
+
+DROP FUNCTION migrate() ;