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consensus/proto/sync: Implement state transition validation for incoming blocks.

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parazyd
2022-04-26 17:18:13 +02:00
parent 40d52032a7
commit ffcaae67b5
1 changed files with 27 additions and 2 deletions
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29
src/consensus/proto/protocol_sync.rs
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@@ -1,17 +1,18 @@
use async_executor::Executor;
use async_std::sync::Arc;
use async_trait::async_trait;
use log::debug;
use log::{debug, error, warn};
use crate::{
consensus::{
block::{BlockInfo, BlockOrder, BlockResponse},
ValidatorStatePtr,
ValidatorState, ValidatorStatePtr,
},
net::{
ChannelPtr, MessageSubscription, P2pPtr, ProtocolBase, ProtocolBasePtr,
ProtocolJobsManager, ProtocolJobsManagerPtr,
},
node::MemoryState,
Result,
};
@@ -85,8 +86,32 @@ impl ProtocolSync {
if !self.consensus_mode {
let info_copy = (*info).clone();
if !self.state.read().await.blockchain.has_block(&info_copy)? {
debug!("handle_receive_block(): Starting state transition validation");
let canon_state_clone =
self.state.read().await.state_machine.lock().await.clone();
let mem_state = MemoryState::new(canon_state_clone);
let state_updates =
match ValidatorState::validate_state_transitions(mem_state, &info.txs) {
Ok(v) => v,
Err(e) => {
warn!("handle_receive_block(): State transition fail: {}", e);
continue
}
};
debug!("ProtocolSync::handle_receive_block(): All state transitions passed");
debug!("ProtocolSync::handle_receive_block(): Updating canon state machine");
match self.state.write().await.update_canon_state(state_updates, None).await {
Ok(()) => {}
Err(e) => {
error!("Failed updating canon state machine: {}", e);
continue
}
}
debug!("ProtocolSync::handle_receive_block(): Appending block to ledger");
self.state.write().await.blockchain.add(&[info_copy.clone()])?;
self.state.write().await.remove_txs(info_copy.txs.clone())?;
self.p2p.broadcast(info_copy).await?;
}