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[WIP] txpool (tx validation) using block sums for full validation (#1567)

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tx validation (txpool) rework/simplify
This commit is contained in:
Antioch Peverell
2018-09-24 09:24:10 +01:00
committed by GitHub
parent 82b785282c
commit e72d8b58e4
22 changed files with 521 additions and 712 deletions
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servers/src/common/adapters.rs
+24 -22
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@@ -27,7 +27,7 @@ use common::types::{self, ChainValidationMode, ServerConfig, SyncState, SyncStat
use core::core::hash::{Hash, Hashed};
use core::core::transaction::Transaction;
use core::core::verifier_cache::VerifierCache;
use core::core::{BlockHeader, CompactBlock};
use core::core::{BlockHeader, BlockSums, CompactBlock};
use core::pow::Difficulty;
use core::{core, global};
use p2p;
@@ -46,7 +46,7 @@ fn wo<T>(weak_one: &OneTime<Weak<T>>) -> Arc<T> {
w(weak_one.borrow().deref())
}
/// Implementation of the NetAdapter for the blockchain. Gets notified when new
/// Implementation of the NetAdapter for the . Gets notified when new
/// blocks and transactions are received and forwards to the chain and pool
/// implementations.
pub struct NetToChainAdapter {
@@ -80,7 +80,7 @@ impl p2p::ChainAdapter for NetToChainAdapter {
};
let tx_hash = tx.hash();
let block_hash = w(&self.chain).head_header().unwrap().hash();
let header = w(&self.chain).head_header().unwrap();
debug!(
LOGGER,
@@ -93,7 +93,7 @@ impl p2p::ChainAdapter for NetToChainAdapter {
let res = {
let mut tx_pool = self.tx_pool.write().unwrap();
tx_pool.add_to_pool(source, tx, stem, &block_hash)
tx_pool.add_to_pool(source, tx, stem, &header)
};
if let Err(e) = res {
@@ -617,7 +617,7 @@ impl NetToChainAdapter {
}
/// Implementation of the ChainAdapter for the network. Gets notified when the
/// blockchain accepted a new block, asking the pool to update its state and
/// accepted a new block, asking the pool to update its state and
/// the network to broadcast the block
pub struct ChainToPoolAndNetAdapter {
sync_state: Arc<SyncState>,
@@ -708,7 +708,7 @@ impl PoolToNetAdapter {
}
}
/// Implements the view of the blockchain required by the TransactionPool to
/// Implements the view of the required by the TransactionPool to
/// operate. Mostly needed to break any direct lifecycle or implementation
/// dependency between the pool and the chain.
#[derive(Clone)]
@@ -732,25 +732,27 @@ impl PoolToChainAdapter {
impl pool::BlockChain for PoolToChainAdapter {
fn chain_head(&self) -> Result<BlockHeader, pool::PoolError> {
wo(&self.chain).head_header().map_err(|e| {
pool::PoolError::Other(format!(
"Chain adapter failed to retrieve chain head: {:?}",
e
))
})
wo(&self.chain)
.head_header()
.map_err(|_| pool::PoolError::Other(format!("failed to get head_header")))
}
fn validate_raw_txs(
&self,
txs: Vec<Transaction>,
pre_tx: Option<Transaction>,
block_hash: &Hash,
) -> Result<(Vec<Transaction>), pool::PoolError> {
fn get_block_header(&self, hash: &Hash) -> Result<BlockHeader, pool::PoolError> {
wo(&self.chain)
.validate_raw_txs(txs, pre_tx, block_hash)
.map_err(|e| {
pool::PoolError::Other(format!("Chain adapter failed to validate_raw_txs: {:?}", e))
})
.get_block_header(hash)
.map_err(|_| pool::PoolError::Other(format!("failed to get block_header")))
}
fn get_block_sums(&self, hash: &Hash) -> Result<BlockSums, pool::PoolError> {
wo(&self.chain)
.get_block_sums(hash)
.map_err(|_| pool::PoolError::Other(format!("failed to get block_sums")))
}
fn validate_tx(&self, tx: &Transaction, header: &BlockHeader) -> Result<(), pool::PoolError> {
wo(&self.chain)
.validate_tx(tx, header)
.map_err(|_| pool::PoolError::Other(format!("failed to validate tx")))
}
fn verify_coinbase_maturity(&self, tx: &Transaction) -> Result<(), pool::PoolError> {