Feat upgradable smart contracts and updated quotation flow 4

ant-cli/src/commands/register.rs

@@ -41,9 +41,10 @@ pub async fn cost(name: &str, peers: Vec<Multiaddr>) -> Result<()> {
     let register_key = crate::keys::get_register_signing_key()
         .wrap_err("The register key is required to perform this action")?;
     let client = crate::actions::connect_to_network(peers).await?;
+    let wallet = load_wallet()?;
 
     let cost = client
-        .register_cost(name.to_string(), register_key)
+        .register_cost(&wallet.network(), name.to_string(), register_key)
         .await
         .wrap_err("Failed to get cost for register")?;
     info!("Estimated cost to create a register with name {name}: {cost}");

ant-evm/src/data_payments.rs

@@ -8,7 +8,7 @@
 
 use crate::EvmError;
 use evmlib::{
-    common::{Address as RewardsAddress, QuoteHash, TxHash}, quoting_metrics::QuotingMetrics, utils::dummy_address
+    common::{Address as RewardsAddress, QuoteHash}, quoting_metrics::QuotingMetrics, utils::dummy_address
 };
 use libp2p::{identity::PublicKey, PeerId};
 use serde::{Deserialize, Serialize};
@@ -24,19 +24,61 @@ pub const QUOTE_EXPIRATION_SECS: u64 = 3600;
 /// The margin allowed for live_time
 const LIVE_TIME_MARGIN: u64 = 10;
 
+#[derive(Debug, Clone, PartialEq, Eq, Ord, PartialOrd, Serialize, Deserialize)]
+pub struct EncodedPeerId(Vec<u8>);
+
+impl EncodedPeerId {
+    pub fn to_peer_id(&self) -> Result<PeerId, libp2p::identity::DecodingError> {
+        match PublicKey::try_decode_protobuf(&self.0) {
+            Ok(pub_key) => Ok(PeerId::from_public_key(&pub_key)),
+            Err(e) => Err(e)
+        }
+    }
+}
+
 /// The proof of payment for a data payment
 #[derive(Debug, Clone, PartialEq, Eq, Ord, PartialOrd, Serialize, Deserialize)]
 pub struct ProofOfPayment {
-    /// The Quote we're paying for
-    pub quote: PaymentQuote,
-    /// The transaction hash
-    pub tx_hash: TxHash,
+    peer_quotes: Vec<(EncodedPeerId, PaymentQuote)>
 }
 
 impl ProofOfPayment {
-    pub fn to_peer_id_payee(&self) -> Option<PeerId> {
-        let pub_key = PublicKey::try_decode_protobuf(&self.quote.pub_key).ok()?;
-        Some(PeerId::from_public_key(&pub_key))
+    /// returns a short digest of the proof of payment to use for verification
+    pub fn digest(&self) -> Vec<(QuoteHash, QuotingMetrics, RewardsAddress)> {
+        self.peer_quotes.clone().into_iter().map(|(_, quote)| (quote.hash(), quote.quoting_metrics, quote.rewards_address)).collect()
+    }
+
+    /// returns the list of payees
+    pub fn payees(&self) -> Vec<PeerId> {
+        self.peer_quotes.iter().filter_map(|(peer_id, _)| peer_id.to_peer_id().ok()).collect()
+    }
+
+    /// has the quote expired
+    pub fn has_expired(&self) -> bool {
+        self.peer_quotes.iter().any(|(_, quote)| quote.has_expired())
+    }
+
+    /// verifies the proof of payment is valid for the given peer id
+    pub fn verify_for(&self, peer_id: PeerId) -> bool {
+        // make sure I am in the list of payees
+        if !self.payees().contains(&peer_id) {
+            return false;
+        }
+
+        // verify all signatures
+        for (encoded_peer_id, quote) in self.peer_quotes.iter() {
+            let peer_id = match encoded_peer_id.to_peer_id() {
+                Ok(peer_id) => peer_id,
+                Err(e) => {
+                    warn!("Invalid encoded peer id: {e}");
+                    return false;
+                },
+            };
+            if !quote.check_is_signed_by_claimed_peer(peer_id) {
+                return false;
+            }
+        }
+        true
     }
 }
 
@@ -148,7 +190,7 @@ impl PaymentQuote {
         true
     }
 
-    /// Returns true) if the quote has not yet expired
+    /// Returns true if the quote has expired
     pub fn has_expired(&self) -> bool {
         let now = SystemTime::now();
 

ant-evm/src/lib.rs

@@ -13,6 +13,7 @@ pub use evmlib::common::Address as RewardsAddress;
 pub use evmlib::common::Address as EvmAddress;
 pub use evmlib::common::QuotePayment;
 pub use evmlib::common::{QuoteHash, TxHash};
+pub use evmlib::contract::payment_vault;
 pub use evmlib::cryptography;
 #[cfg(feature = "external-signer")]
 pub use evmlib::external_signer;
@@ -28,8 +29,8 @@ mod amount;
 mod data_payments;
 mod error;
 
-pub use evmlib::quoting_metrics::QuotingMetrics;
 pub use data_payments::{PaymentQuote, ProofOfPayment, QUOTE_EXPIRATION_SECS};
+pub use evmlib::quoting_metrics::QuotingMetrics;
 
 /// Types used in the public API
 pub use amount::{Amount, AttoTokens};

ant-networking/src/event/request_response.rs

@@ -48,30 +48,6 @@ impl SwarmDriver {
 
                             self.add_keys_to_replication_fetcher(holder, keys);
                         }
-                        Request::Cmd(ant_protocol::messages::Cmd::QuoteVerification {
-                            quotes,
-                            ..
-                        }) => {
-                            let response = Response::Cmd(
-                                ant_protocol::messages::CmdResponse::QuoteVerification(Ok(())),
-                            );
-                            self.queue_network_swarm_cmd(NetworkSwarmCmd::SendResponse {
-                                resp: response,
-                                channel: MsgResponder::FromPeer(channel),
-                            });
-
-                            // The keypair is required to verify the quotes,
-                            // hence throw it up to Network layer for further actions.
-                            let quotes = quotes
-                                .iter()
-                                .filter_map(|(peer_address, quote)| {
-                                    peer_address
-                                        .as_peer_id()
-                                        .map(|peer_id| (peer_id, quote.clone()))
-                                })
-                                .collect();
-                            self.send_event(NetworkEvent::QuoteVerification { quotes })
-                        }
                         Request::Cmd(ant_protocol::messages::Cmd::PeerConsideredAsBad {
                             detected_by,
                             bad_peer,

ant-networking/src/lib.rs

@@ -51,7 +51,7 @@ use self::{cmd::NetworkSwarmCmd, error::Result};
 use ant_evm::{PaymentQuote, QuotingMetrics};
 use ant_protocol::{
     error::Error as ProtocolError,
-    messages::{ChunkProof, Cmd, Nonce, Query, QueryResponse, Request, Response},
+    messages::{ChunkProof, Nonce, Query, QueryResponse, Request, Response},
     storage::{RecordType, RetryStrategy, Scratchpad},
     NetworkAddress, PrettyPrintKBucketKey, PrettyPrintRecordKey, CLOSE_GROUP_SIZE,
 };
@@ -83,9 +83,6 @@ use {
     std::collections::HashSet,
 };
 
-/// The type of quote for a selected payee.
-pub type PayeeQuote = (PeerId, PaymentQuote);
-
 /// Majority of a given group (i.e. > 1/2).
 #[inline]
 pub const fn close_group_majority() -> usize {
@@ -382,7 +379,7 @@ impl Network {
         &self,
         record_address: NetworkAddress,
         ignore_peers: Vec<PeerId>,
-    ) -> Result<Vec<PayeeQuote>> {
+    ) -> Result<Vec<(PeerId, PaymentQuote)>> {
         // The requirement of having at least CLOSE_GROUP_SIZE
         // close nodes will be checked internally automatically.
         let mut close_nodes = self
@@ -392,7 +389,7 @@ impl Network {
         close_nodes.retain(|peer_id| !ignore_peers.contains(peer_id));
 
         if close_nodes.is_empty() {
-            error!("Cann't get store_cost of {record_address:?}, as all close_nodes are ignored");
+            error!("Can't get store_cost of {record_address:?}, as all close_nodes are ignored");
             return Err(NetworkError::NoStoreCostResponses);
         }
 
@@ -406,6 +403,10 @@ impl Network {
             .send_and_get_responses(&close_nodes, &request, true)
             .await;
 
+        // consider data to be already paid for if 1/2 of the close nodes already have it
+        let mut peer_already_have_it = 0;
+        let enough_peers_already_have_it = close_nodes.len() / 2;
+
         // loop over responses
         let mut all_quotes = vec![];
         let mut quotes_to_pay = vec![];
@@ -438,8 +439,12 @@ impl Network {
                     if !storage_proofs.is_empty() {
                         debug!("Storage proofing during GetStoreQuote to be implemented.");
                     }
-                    info!("Address {record_address:?} was already paid for according to {peer_address:?}, ending quote request");
-                    return Ok(vec![]);
+                    peer_already_have_it += 1;
+                    info!("Address {record_address:?} was already paid for according to {peer_address:?} ({peer_already_have_it}/{enough_peers_already_have_it})");
+                    if peer_already_have_it >= enough_peers_already_have_it {
+                        info!("Address {record_address:?} was already paid for according to {peer_already_have_it} peers, ending quote request");
+                        return Ok(vec![]);
+                    }
                 }
                 Err(err) => {
                     error!("Got an error while requesting quote from peer {peer:?}: {err}");
@@ -450,16 +455,6 @@ impl Network {
             }
         }
 
-        // send the quotes to the other peers for verification
-        for peer_id in close_nodes.iter() {
-            let request = Request::Cmd(Cmd::QuoteVerification {
-                target: NetworkAddress::from_peer(*peer_id),
-                quotes: all_quotes.clone(),
-            });
-
-            self.send_req_ignore_reply(request, *peer_id);
-        }
-
         Ok(quotes_to_pay)
     }
 

ant-node/src/put_validation.rs

@@ -19,7 +19,7 @@ use ant_protocol::{
 };
 use ant_registers::SignedRegister;
 use libp2p::kad::{Record, RecordKey};
-use std::time::{Duration, UNIX_EPOCH};
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
 use xor_name::XorName;
 
 impl Node {
@@ -603,36 +603,28 @@ impl Node {
 
         // check if the quote is valid
         let self_peer_id = self.network().peer_id();
-        if !payment.quote.check_is_signed_by_claimed_peer(self_peer_id) {
-            warn!("Payment quote signature is not valid for record {pretty_key}");
+        if !payment.verify_for(self_peer_id) {
+            warn!("Payment is not valid for record {pretty_key}");
             return Err(Error::InvalidRequest(format!(
-                "Payment quote signature is not valid for record {pretty_key}"
+                "Payment is not valid for record {pretty_key}"
+            )));
+        }
+        debug!("Payment is valid for record {pretty_key}");
+
+        // verify quote expiration
+        if payment.has_expired() {
+            warn!("Payment quote has expired for record {pretty_key}");
+            return Err(Error::InvalidRequest(format!(
+                "Payment quote has expired for record {pretty_key}"
             )));
         }
-        debug!("Payment quote signature is valid for record {pretty_key}");
-
-        // verify quote timestamp
-        let quote_timestamp = payment.quote.timestamp;
-        let quote_expiration_time = quote_timestamp + Duration::from_secs(QUOTE_EXPIRATION_SECS);
-        let quote_expiration_time_in_secs = quote_expiration_time
-            .duration_since(UNIX_EPOCH)
-            .map_err(|e| {
-                Error::InvalidRequest(format!(
-                    "Payment quote timestamp is invalid for record {pretty_key}: {e}"
-                ))
-            })?
-            .as_secs();
 
         // check if payment is valid on chain
+        let payments_to_verify = payment.digest();
         debug!("Verifying payment for record {pretty_key}");
-        let reward_amount = self.evm_network()
-            .verify_data_payment(
-                payment.tx_hash,
-                payment.quote.hash(),
-                payment.quote.quoting_metrics,
-                *self.reward_address(),
-                quote_expiration_time_in_secs,
-            )
+        let reward_amount = self
+            .evm_network()
+            .verify_data_payment(payments_to_verify)
             .await
             .map_err(|e| Error::EvmNetwork(format!("Failed to verify chunk payment: {e}")))?;
         debug!("Payment of {reward_amount:?} is valid for record {pretty_key}");
@@ -651,7 +643,10 @@ impl Node {
                 .set(new_value);
         }
         self.events_channel()
-            .broadcast(crate::NodeEvent::RewardReceived(AttoTokens::from(reward_amount), address.clone()));
+            .broadcast(crate::NodeEvent::RewardReceived(
+                AttoTokens::from(reward_amount),
+                address.clone(),
+            ));
 
         // vdash metric (if modified please notify at https://github.com/happybeing/vdash/issues):
         info!("Total payment of {reward_amount:?} atto tokens accepted for record {pretty_key}");
@@ -660,7 +655,9 @@ impl Node {
         #[cfg(feature = "loud")]
         {
             println!("🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟   RECEIVED REWARD   🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟");
-            println!("Total payment of {reward_amount:?} atto tokens accepted for record {pretty_key}");
+            println!(
+                "Total payment of {reward_amount:?} atto tokens accepted for record {pretty_key}"
+            );
             println!("🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟");
         }
 

ant-protocol/src/messages/cmd.rs

@@ -8,7 +8,6 @@
 #![allow(clippy::mutable_key_type)] // for Bytes in NetworkAddress
 
 use crate::{storage::RecordType, NetworkAddress};
-pub use ant_evm::PaymentQuote;
 use serde::{Deserialize, Serialize};
 
 /// Data and CashNote cmds - recording transactions or creating, updating, and removing data.
@@ -28,11 +27,6 @@ pub enum Cmd {
         /// Keys of copy that shall be replicated.
         keys: Vec<(NetworkAddress, RecordType)>,
     },
-    /// Write operation to notify nodes a list of PaymentQuote collected.
-    QuoteVerification {
-        target: NetworkAddress,
-        quotes: Vec<(NetworkAddress, PaymentQuote)>,
-    },
     /// Notify the peer it is now being considered as BAD due to the included behaviour
     PeerConsideredAsBad {
         detected_by: NetworkAddress,
@@ -52,11 +46,6 @@ impl std::fmt::Debug for Cmd {
                     .field("first_ten_keys", &first_ten_keys)
                     .finish()
             }
-            Cmd::QuoteVerification { target, quotes } => f
-                .debug_struct("Cmd::QuoteVerification")
-                .field("target", target)
-                .field("quotes_len", &quotes.len())
-                .finish(),
             Cmd::PeerConsideredAsBad {
                 detected_by,
                 bad_peer,
@@ -76,7 +65,6 @@ impl Cmd {
     pub fn dst(&self) -> NetworkAddress {
         match self {
             Cmd::Replicate { holder, .. } => holder.clone(),
-            Cmd::QuoteVerification { target, .. } => target.clone(),
             Cmd::PeerConsideredAsBad { bad_peer, .. } => bad_peer.clone(),
         }
     }
@@ -93,13 +81,6 @@ impl std::fmt::Display for Cmd {
                     keys.len()
                 )
             }
-            Cmd::QuoteVerification { target, quotes } => {
-                write!(
-                    f,
-                    "Cmd::QuoteVerification(sent to {target:?} has {} quotes)",
-                    quotes.len()
-                )
-            }
             Cmd::PeerConsideredAsBad {
                 detected_by,
                 bad_peer,

ant-protocol/src/messages/response.rs

@@ -150,11 +150,6 @@ pub enum CmdResponse {
     /// Response to replication cmd
     Replicate(Result<()>),
     //
-    // ===== QuoteVerification =====
-    //
-    /// Response to quote verification cmd
-    QuoteVerification(Result<()>),
-    //
     // ===== PeerConsideredAsBad =====
     //
     /// Response to the considered as bad notification

autonomi/src/client/data.rs

@@ -121,8 +121,12 @@ pub enum CostError {
     CouldNotGetStoreQuote(XorName),
     #[error("Could not get store costs: {0:?}")]
     CouldNotGetStoreCosts(NetworkError),
+    #[error("Not enough node quotes for {0:?}, got: {1:?} and need at least {2:?}")]
+    NotEnoughNodeQuotes(XorName, usize, usize),
     #[error("Failed to serialize {0}")]
     Serialization(String),
+    #[error("Market price error: {0:?}")]
+    MarketPriceError(#[from] ant_evm::payment_vault::error::Error),
 }
 
 impl Client {

autonomi/src/client/mod.rs

@@ -8,6 +8,7 @@
 
 pub mod address;
 pub mod payment;
+pub mod quote;
 
 #[cfg(feature = "data")]
 pub mod archive;