Problem: no trace detail on insufficient balance (#556)

skip check

simple reproduce

CHANGELOG.md

@@ -50,6 +50,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (rpc) [#521](https://github.com/crypto-org-chain/ethermint/pull/521) Align hash and miner in subscribe newHeads with eth_getBlockByNumber.
 * (rpc) [#527](https://github.com/crypto-org-chain/ethermint/pull/527) Fix balance consistency between trace-block and state machine.
 * (rpc) [#545](https://github.com/crypto-org-chain/ethermint/pull/545) Fix state overwrite in debug trace APIs.
+* (rpc) [#554](https://github.com/crypto-org-chain/ethermint/pull/554) No trace detail on insufficient balance.
 
 ### Improvements
 

tests/integration_tests/hardhat/contracts/FeeCollector.sol

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+contract FeeCollector {
+    event TokensMinted(address indexed to, uint256 amount);
+
+    function mint(uint256 amount) public payable {
+        emit TokensMinted(msg.sender, amount);
+    }
+}

tests/integration_tests/test_tracers.py

@@ -19,8 +19,10 @@
     deploy_contract,
     derive_new_account,
     derive_random_account,
+    send_raw_transactions,
     send_transaction,
     send_txs,
+    sign_transaction,
     w3_wait_for_new_blocks,
 )
 
@@ -156,6 +158,39 @@ def process(w3):
         assert res[0] == res[-1], res
 
 
+def test_trace_tx_reverse_transfer(ethermint):
+    print("reproduce only")
+    return
+    method = "debug_traceTransaction"
+    tracer = {"tracer": "callTracer"}
+    acc = derive_new_account(11)
+    w3 = ethermint.w3
+    fund_acc(w3, acc, fund=40000000000000000)
+    contract, _ = deploy_contract(w3, CONTRACTS["FeeCollector"])
+    amt = 18633908679862681
+    raw_transactions = []
+    nonce = w3.eth.get_transaction_count(acc.address)
+    tx = contract.functions.mint(amt).build_transaction(
+        {
+            "from": acc.address,
+            "value": hex(amt),
+            "nonce": nonce,
+        }
+    )
+    raw_transactions.append(sign_transaction(w3, tx, acc.key).rawTransaction)
+    tx = tx | {"nonce": nonce + 1}
+    raw_transactions.append(sign_transaction(w3, tx, acc.key).rawTransaction)
+    w3_wait_for_new_blocks(w3, 1)
+    sended_hash_set = send_raw_transactions(w3, raw_transactions)
+    for h in sended_hash_set:
+        tx_hash = h.hex()
+        tx_res = w3.provider.make_request(
+            method,
+            [tx_hash, tracer],
+        )
+        print(tx_res)
+
+
 def test_tracecall_insufficient_funds(ethermint, geth):
     method = "debug_traceCall"
     acc = derive_random_account()
@@ -526,7 +561,7 @@ def test_refund_unused_gas_when_contract_tx_reverted_state_overrides(ethermint):
                         "balance": hex(balance),
                         "nonce": hex(nonce),
                     }
-                }
+                },
             },
         ],
     )

tests/integration_tests/utils.py

@@ -41,6 +41,7 @@
     "Calculator": "Calculator.sol",
     "Caller": "Caller.sol",
     "Random": "Random.sol",
+    "FeeCollector": "FeeCollector.sol",
 }
 
 

x/evm/keeper/grpc_query.go

@@ -712,12 +712,6 @@ func (k *Keeper) prepareTrace(
 		return nil, 0, status.Error(codes.Internal, err.Error())
 	}
 
-	if res.VmError != "" {
-		if res.VmError == vm.ErrInsufficientBalance.Error() {
-			return nil, 0, status.Error(codes.Internal, res.VmError)
-		}
-	}
-
 	var result interface{}
 	result, err = tracer.GetResult()
 	if err != nil {