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Merge branch 'client-ipc-refact' into client-ipc-tests

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This commit is contained in:
NikVolf
2016-07-07 10:00:41 +03:00
parent 29de69e39d f06cff48b9
commit 1f1b420230
167 changed files with 4231 additions and 31379 deletions
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2
ethcore/src/account.rs
View File

@@ -127,7 +127,7 @@ impl Account {
SecTrieDBMut would not set it to an invalid state root. Therefore the root is valid and DB creation \
using it will not fail.");
(Filth::Clean, H256::from(db.get(key.bytes()).map_or(U256::zero(), |v| -> U256 {decode(v)})))
(Filth::Clean, H256::from(db.get(key).map_or(U256::zero(), |v| -> U256 {decode(v)})))
}).1.clone()
}

3
ethcore/src/basic_authority.rs
View File

@@ -203,7 +203,6 @@ mod tests {
timestamp: 0,
difficulty: 0.into(),
last_hashes: vec![],
dao_rescue_block_gas_limit: None,
gas_used: 0.into(),
gas_limit: 0.into(),
});
@@ -254,7 +253,7 @@ mod tests {
spec.ensure_db_good(db.as_hashdb_mut());
let last_hashes = vec![genesis_header.hash()];
let vm_factory = Default::default();
let b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, last_hashes, None, addr, (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, last_hashes, addr, (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = b.close_and_lock();
let seal = engine.generate_seal(b.block(), Some(&tap)).unwrap();
assert!(b.try_seal(engine.deref(), seal).is_ok());

30
ethcore/src/block.rs
View File

@@ -183,7 +183,6 @@ pub struct OpenBlock<'x> {
engine: &'x Engine,
vm_factory: &'x EvmFactory,
last_hashes: LastHashes,
dao_rescue_block_gas_limit: Option<U256>,
}
/// Just like `OpenBlock`, except that we've applied `Engine::on_close_block`, finished up the non-seal header fields,
@@ -195,7 +194,6 @@ pub struct ClosedBlock {
block: ExecutedBlock,
uncle_bytes: Bytes,
last_hashes: LastHashes,
dao_rescue_block_gas_limit: Option<U256>,
unclosed_state: State,
}
@@ -227,7 +225,6 @@ impl<'x> OpenBlock<'x> {
db: Box<JournalDB>,
parent: &Header,
last_hashes: LastHashes,
dao_rescue_block_gas_limit: Option<U256>,
author: Address,
gas_range_target: (U256, U256),
extra_data: Bytes,
@@ -238,7 +235,6 @@ impl<'x> OpenBlock<'x> {
engine: engine,
vm_factory: vm_factory,
last_hashes: last_hashes,
dao_rescue_block_gas_limit: dao_rescue_block_gas_limit,
};
r.block.base.header.parent_hash = parent.hash();
@@ -295,7 +291,6 @@ impl<'x> OpenBlock<'x> {
/// Get the environment info concerning this block.
pub fn env_info(&self) -> EnvInfo {
// TODO: memoise.
const SOFT_FORK_BLOCK: u64 = 1_800_000;
EnvInfo {
number: self.block.base.header.number,
author: self.block.base.header.author.clone(),
@@ -304,7 +299,6 @@ impl<'x> OpenBlock<'x> {
last_hashes: self.last_hashes.clone(), // TODO: should be a reference.
gas_used: self.block.receipts.last().map_or(U256::zero(), |r| r.gas_used),
gas_limit: self.block.base.header.gas_limit.clone(),
dao_rescue_block_gas_limit: if self.block.base.header.number == SOFT_FORK_BLOCK { Some(self.block.base.header.gas_limit) } else { self.dao_rescue_block_gas_limit },
}
}
@@ -351,7 +345,6 @@ impl<'x> OpenBlock<'x> {
block: s.block,
uncle_bytes: uncle_bytes,
last_hashes: s.last_hashes,
dao_rescue_block_gas_limit: s.dao_rescue_block_gas_limit,
unclosed_state: unclosed_state,
}
}
@@ -411,7 +404,6 @@ impl ClosedBlock {
engine: engine,
vm_factory: vm_factory,
last_hashes: self.last_hashes,
dao_rescue_block_gas_limit: self.dao_rescue_block_gas_limit,
}
}
}
@@ -481,7 +473,6 @@ pub fn enact(
db: Box<JournalDB>,
parent: &Header,
last_hashes: LastHashes,
dao_rescue_block_gas_limit: Option<U256>,
vm_factory: &EvmFactory,
trie_factory: TrieFactory,
) -> Result<LockedBlock, Error> {
@@ -492,7 +483,7 @@ pub fn enact(
}
}
let mut b = try!(OpenBlock::new(engine, vm_factory, trie_factory, tracing, db, parent, last_hashes, dao_rescue_block_gas_limit, header.author().clone(), (3141562.into(), 31415620.into()), header.extra_data().clone()));
let mut b = try!(OpenBlock::new(engine, vm_factory, trie_factory, tracing, db, parent, last_hashes, header.author().clone(), (3141562.into(), 31415620.into()), header.extra_data().clone()));
b.set_difficulty(*header.difficulty());
b.set_gas_limit(*header.gas_limit());
b.set_timestamp(header.timestamp());
@@ -510,13 +501,12 @@ pub fn enact_bytes(
db: Box<JournalDB>,
parent: &Header,
last_hashes: LastHashes,
dao_rescue_block_gas_limit: Option<U256>,
vm_factory: &EvmFactory,
trie_factory: TrieFactory,
) -> Result<LockedBlock, Error> {
let block = BlockView::new(block_bytes);
let header = block.header();
enact(&header, &block.transactions(), &block.uncles(), engine, tracing, db, parent, last_hashes, dao_rescue_block_gas_limit, vm_factory, trie_factory)
enact(&header, &block.transactions(), &block.uncles(), engine, tracing, db, parent, last_hashes, vm_factory, trie_factory)
}
/// Enact the block given by `block_bytes` using `engine` on the database `db` with given `parent` block header
@@ -528,12 +518,11 @@ pub fn enact_verified(
db: Box<JournalDB>,
parent: &Header,
last_hashes: LastHashes,
dao_rescue_block_gas_limit: Option<U256>,
vm_factory: &EvmFactory,
trie_factory: TrieFactory,
) -> Result<LockedBlock, Error> {
let view = BlockView::new(&block.bytes);
enact(&block.header, &block.transactions, &view.uncles(), engine, tracing, db, parent, last_hashes, dao_rescue_block_gas_limit, vm_factory, trie_factory)
enact(&block.header, &block.transactions, &view.uncles(), engine, tracing, db, parent, last_hashes, vm_factory, trie_factory)
}
/// Enact the block given by `block_bytes` using `engine` on the database `db` with given `parent` block header. Seal the block aferwards
@@ -545,12 +534,11 @@ pub fn enact_and_seal(
db: Box<JournalDB>,
parent: &Header,
last_hashes: LastHashes,
dao_rescue_block_gas_limit: Option<U256>,
vm_factory: &EvmFactory,
trie_factory: TrieFactory,
) -> Result<SealedBlock, Error> {
let header = BlockView::new(block_bytes).header_view();
Ok(try!(try!(enact_bytes(block_bytes, engine, tracing, db, parent, last_hashes, dao_rescue_block_gas_limit, vm_factory, trie_factory)).seal(engine, header.seal())))
Ok(try!(try!(enact_bytes(block_bytes, engine, tracing, db, parent, last_hashes, vm_factory, trie_factory)).seal(engine, header.seal())))
}
#[cfg(test)]
@@ -570,7 +558,7 @@ mod tests {
spec.ensure_db_good(db.as_hashdb_mut());
let last_hashes = vec![genesis_header.hash()];
let vm_factory = Default::default();
let b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, last_hashes, None, Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, last_hashes, Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = b.close_and_lock();
let _ = b.seal(engine.deref(), vec![]);
}
@@ -586,7 +574,7 @@ mod tests {
let mut db = db_result.take();
spec.ensure_db_good(db.as_hashdb_mut());
let vm_factory = Default::default();
let b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, vec![genesis_header.hash()], None, Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap()
let b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, vec![genesis_header.hash()], Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap()
.close_and_lock().seal(engine.deref(), vec![]).unwrap();
let orig_bytes = b.rlp_bytes();
let orig_db = b.drain();
@@ -594,7 +582,7 @@ mod tests {
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
spec.ensure_db_good(db.as_hashdb_mut());
let e = enact_and_seal(&orig_bytes, engine.deref(), false, db, &genesis_header, vec![genesis_header.hash()], None, &Default::default(), Default::default()).unwrap();
let e = enact_and_seal(&orig_bytes, engine.deref(), false, db, &genesis_header, vec![genesis_header.hash()], &Default::default(), Default::default()).unwrap();
assert_eq!(e.rlp_bytes(), orig_bytes);
@@ -614,7 +602,7 @@ mod tests {
let mut db = db_result.take();
spec.ensure_db_good(db.as_hashdb_mut());
let vm_factory = Default::default();
let mut open_block = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, vec![genesis_header.hash()], None, Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let mut open_block = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, vec![genesis_header.hash()], Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let mut uncle1_header = Header::new();
uncle1_header.extra_data = b"uncle1".to_vec();
let mut uncle2_header = Header::new();
@@ -629,7 +617,7 @@ mod tests {
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
spec.ensure_db_good(db.as_hashdb_mut());
let e = enact_and_seal(&orig_bytes, engine.deref(), false, db, &genesis_header, vec![genesis_header.hash()], None, &Default::default(), Default::default()).unwrap();
let e = enact_and_seal(&orig_bytes, engine.deref(), false, db, &genesis_header, vec![genesis_header.hash()], &Default::default(), Default::default()).unwrap();
let bytes = e.rlp_bytes();
assert_eq!(bytes, orig_bytes);

980
ethcore/src/client/client.rs
View File

@@ -14,8 +14,982 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Blockchain database client.
use std::path::PathBuf;
use std::collections::{HashSet, HashMap};
use std::ops::Deref;
use std::mem;
use std::collections::VecDeque;
use std::sync::*;
use std::path::Path;
use std::fmt;
use std::sync::atomic::{AtomicUsize, AtomicBool, Ordering as AtomicOrdering};
use std::time::Instant;
#![allow(dead_code, unused_assignments, unused_variables, missing_docs)] // codegen issues
include!(concat!(env!("OUT_DIR"), "/client.ipc.rs"));
// util
use util::numbers::*;
use util::panics::*;
use util::network::*;
use util::io::*;
use util::rlp;
use util::sha3::*;
use util::{Bytes};
use util::rlp::{RlpStream, Rlp, UntrustedRlp};
use util::journaldb;
use util::journaldb::JournalDB;
use util::kvdb::*;
use util::{Applyable, Stream, View, PerfTimer, Itertools, Colour};
// other
use views::BlockView;
use error::{ImportError, ExecutionError, BlockError, ImportResult};
use header::BlockNumber;
use state::State;
use spec::Spec;
use engine::Engine;
use views::HeaderView;
use service::{NetSyncMessage, SyncMessage};
use env_info::LastHashes;
use verification;
use verification::{PreverifiedBlock, Verifier};
use block::*;
use transaction::{LocalizedTransaction, SignedTransaction, Action};
use blockchain::extras::TransactionAddress;
use types::filter::Filter;
use log_entry::LocalizedLogEntry;
use block_queue::{BlockQueue, BlockQueueInfo};
use blockchain::{BlockChain, BlockProvider, TreeRoute, ImportRoute};
use client::{BlockID, TransactionID, UncleID, TraceId, ClientConfig,
DatabaseCompactionProfile, BlockChainClient, MiningBlockChainClient,
TraceFilter, CallAnalytics, BlockImportError, Mode};
use client::Error as ClientError;
use env_info::EnvInfo;
use executive::{Executive, Executed, TransactOptions, contract_address};
use receipt::LocalizedReceipt;
use trace::{TraceDB, ImportRequest as TraceImportRequest, LocalizedTrace, Database as TraceDatabase};
use trace;
use evm::Factory as EvmFactory;
use miner::{Miner, MinerService};
use util::TrieFactory;
use ipc::IpcConfig;
use ipc::binary::{BinaryConvertError};
// re-export
pub use types::blockchain_info::BlockChainInfo;
pub use types::block_status::BlockStatus;
pub use blockchain::CacheSize as BlockChainCacheSize;
const MAX_TX_QUEUE_SIZE: usize = 4096;
const MAX_QUEUE_SIZE_TO_SLEEP_ON: usize = 2;
impl fmt::Display for BlockChainInfo {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "#{}.{}", self.best_block_number, self.best_block_hash)
}
}
/// Report on the status of a client.
#[derive(Default, Clone, Debug, Eq, PartialEq)]
pub struct ClientReport {
/// How many blocks have been imported so far.
pub blocks_imported: usize,
/// How many transactions have been applied so far.
pub transactions_applied: usize,
/// How much gas has been processed so far.
pub gas_processed: U256,
/// Memory used by state DB
pub state_db_mem: usize,
}
impl ClientReport {
/// Alter internal reporting to reflect the additional `block` has been processed.
pub fn accrue_block(&mut self, block: &PreverifiedBlock) {
self.blocks_imported += 1;
self.transactions_applied += block.transactions.len();
self.gas_processed = self.gas_processed + block.header.gas_used;
}
}
struct SleepState {
last_activity: Option<Instant>,
last_autosleep: Option<Instant>,
}
impl SleepState {
fn new(awake: bool) -> Self {
SleepState {
last_activity: match awake { false => None, true => Some(Instant::now()) },
last_autosleep: match awake { false => Some(Instant::now()), true => None },
}
}
}
/// Blockchain database client backed by a persistent database. Owns and manages a blockchain and a block queue.
/// Call `import_block()` to import a block asynchronously; `flush_queue()` flushes the queue.
pub struct Client {
mode: Mode,
chain: Arc<BlockChain>,
tracedb: Arc<TraceDB<BlockChain>>,
engine: Arc<Box<Engine>>,
state_db: Mutex<Box<JournalDB>>,
block_queue: BlockQueue,
report: RwLock<ClientReport>,
import_lock: Mutex<()>,
panic_handler: Arc<PanicHandler>,
verifier: Box<Verifier>,
vm_factory: Arc<EvmFactory>,
trie_factory: TrieFactory,
miner: Arc<Miner>,
sleep_state: Mutex<SleepState>,
liveness: AtomicBool,
io_channel: IoChannel<NetSyncMessage>,
queue_transactions: AtomicUsize,
previous_enode: Mutex<Option<String>>,
}
const HISTORY: u64 = 1200;
// DO NOT TOUCH THIS ANY MORE UNLESS YOU REALLY KNOW WHAT YOU'RE DOING.
// Altering it will force a blanket DB update for *all* JournalDB-derived
// databases.
// Instead, add/upgrade the version string of the individual JournalDB-derived database
// of which you actually want force an upgrade.
const CLIENT_DB_VER_STR: &'static str = "5.3";
/// Get the path for the databases given the root path and information on the databases.
pub fn get_db_path(path: &Path, pruning: journaldb::Algorithm, genesis_hash: H256) -> PathBuf {
let mut dir = path.to_path_buf();
dir.push(H64::from(genesis_hash).hex());
//TODO: sec/fat: pruned/full versioning
// version here is a bit useless now, since it's controlled only be the pruning algo.
dir.push(format!("v{}-sec-{}", CLIENT_DB_VER_STR, pruning));
dir
}
/// Append a path element to the given path and return the string.
pub fn append_path(path: &Path, item: &str) -> String {
let mut p = path.to_path_buf();
p.push(item);
p.to_str().unwrap().to_owned()
}
impl Client {
/// Create a new client with given spec and DB path and custom verifier.
pub fn new(
config: ClientConfig,
spec: Spec,
path: &Path,
miner: Arc<Miner>,
message_channel: IoChannel<NetSyncMessage>
) -> Result<Arc<Client>, ClientError> {
let path = get_db_path(path, config.pruning, spec.genesis_header().hash());
let gb = spec.genesis_block();
let chain = Arc::new(BlockChain::new(config.blockchain, &gb, &path));
let tracedb = Arc::new(try!(TraceDB::new(config.tracing, &path, chain.clone())));
let mut state_db_config = match config.db_cache_size {
None => DatabaseConfig::default(),
Some(cache_size) => DatabaseConfig::with_cache(cache_size),
};
if config.db_compaction == DatabaseCompactionProfile::HDD {
state_db_config = state_db_config.compaction(CompactionProfile::hdd());
}
let mut state_db = journaldb::new(
&append_path(&path, "state"),
config.pruning,
state_db_config
);
if state_db.is_empty() && spec.ensure_db_good(state_db.as_hashdb_mut()) {
state_db.commit(0, &spec.genesis_header().hash(), None).expect("Error commiting genesis state to state DB");
}
let engine = Arc::new(spec.engine);
let block_queue = BlockQueue::new(config.queue, engine.clone(), message_channel.clone());
let panic_handler = PanicHandler::new_in_arc();
panic_handler.forward_from(&block_queue);
let awake = match config.mode { Mode::Dark(..) => false, _ => true };
let client = Client {
sleep_state: Mutex::new(SleepState::new(awake)),
liveness: AtomicBool::new(awake),
mode: config.mode,
chain: chain,
tracedb: tracedb,
engine: engine,
state_db: Mutex::new(state_db),
block_queue: block_queue,
report: RwLock::new(Default::default()),
import_lock: Mutex::new(()),
panic_handler: panic_handler,
verifier: verification::new(config.verifier_type),
vm_factory: Arc::new(EvmFactory::new(config.vm_type)),
trie_factory: TrieFactory::new(config.trie_spec),
miner: miner,
io_channel: message_channel,
queue_transactions: AtomicUsize::new(0),
previous_enode: Mutex::new(None),
};
Ok(Arc::new(client))
}
/// Flush the block import queue.
pub fn flush_queue(&self) {
self.block_queue.flush();
}
fn build_last_hashes(&self, parent_hash: H256) -> LastHashes {
let mut last_hashes = LastHashes::new();
last_hashes.resize(256, H256::new());
last_hashes[0] = parent_hash;
for i in 0..255 {
match self.chain.block_details(&last_hashes[i]) {
Some(details) => {
last_hashes[i + 1] = details.parent.clone();
},
None => break,
}
}
last_hashes
}
fn check_and_close_block(&self, block: &PreverifiedBlock) -> Result<LockedBlock, ()> {
let engine = self.engine.deref().deref();
let header = &block.header;
// Check the block isn't so old we won't be able to enact it.
let best_block_number = self.chain.best_block_number();
if best_block_number >= HISTORY && header.number() <= best_block_number - HISTORY {
warn!(target: "client", "Block import failed for #{} ({})\nBlock is ancient (current best block: #{}).", header.number(), header.hash(), best_block_number);
return Err(());
}
// Verify Block Family
let verify_family_result = self.verifier.verify_block_family(&header, &block.bytes, engine, self.chain.deref());
if let Err(e) = verify_family_result {
warn!(target: "client", "Stage 3 block verification failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
};
// Check if Parent is in chain
let chain_has_parent = self.chain.block_header(&header.parent_hash);
if let None = chain_has_parent {
warn!(target: "client", "Block import failed for #{} ({}): Parent not found ({}) ", header.number(), header.hash(), header.parent_hash);
return Err(());
};
// Enact Verified Block
let parent = chain_has_parent.unwrap();
let last_hashes = self.build_last_hashes(header.parent_hash.clone());
let db = self.state_db.lock().unwrap().boxed_clone();
let enact_result = enact_verified(&block, engine, self.tracedb.tracing_enabled(), db, &parent, last_hashes, &self.vm_factory, self.trie_factory.clone());
if let Err(e) = enact_result {
warn!(target: "client", "Block import failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
};
// Final Verification
let locked_block = enact_result.unwrap();
if let Err(e) = self.verifier.verify_block_final(&header, locked_block.block().header()) {
warn!(target: "client", "Stage 4 block verification failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
}
Ok(locked_block)
}
fn calculate_enacted_retracted(&self, import_results: &[ImportRoute]) -> (Vec<H256>, Vec<H256>) {
fn map_to_vec(map: Vec<(H256, bool)>) -> Vec<H256> {
map.into_iter().map(|(k, _v)| k).collect()
}
// In ImportRoute we get all the blocks that have been enacted and retracted by single insert.
// Because we are doing multiple inserts some of the blocks that were enacted in import `k`
// could be retracted in import `k+1`. This is why to understand if after all inserts
// the block is enacted or retracted we iterate over all routes and at the end final state
// will be in the hashmap
let map = import_results.iter().fold(HashMap::new(), |mut map, route| {
for hash in &route.enacted {
map.insert(hash.clone(), true);
}
for hash in &route.retracted {
map.insert(hash.clone(), false);
}
map
});
// Split to enacted retracted (using hashmap value)
let (enacted, retracted) = map.into_iter().partition(|&(_k, v)| v);
// And convert tuples to keys
(map_to_vec(enacted), map_to_vec(retracted))
}
/// This is triggered by a message coming from a block queue when the block is ready for insertion
pub fn import_verified_blocks(&self, io: &IoChannel<NetSyncMessage>) -> usize {
let max_blocks_to_import = 64;
let mut imported_blocks = Vec::with_capacity(max_blocks_to_import);
let mut invalid_blocks = HashSet::new();
let mut import_results = Vec::with_capacity(max_blocks_to_import);
let _import_lock = self.import_lock.lock();
let _timer = PerfTimer::new("import_verified_blocks");
let blocks = self.block_queue.drain(max_blocks_to_import);
let original_best = self.chain_info().best_block_hash;
for block in blocks {
let header = &block.header;
if invalid_blocks.contains(&header.parent_hash) {
invalid_blocks.insert(header.hash());
continue;
}
let closed_block = self.check_and_close_block(&block);
if let Err(_) = closed_block {
invalid_blocks.insert(header.hash());
continue;
}
let closed_block = closed_block.unwrap();
imported_blocks.push(header.hash());
let route = self.commit_block(closed_block, &header.hash(), &block.bytes);
import_results.push(route);
self.report.write().unwrap().accrue_block(&block);
trace!(target: "client", "Imported #{} ({})", header.number(), header.hash());
}
let imported = imported_blocks.len();
let invalid_blocks = invalid_blocks.into_iter().collect::<Vec<H256>>();
{
if !invalid_blocks.is_empty() {
self.block_queue.mark_as_bad(&invalid_blocks);
}
if !imported_blocks.is_empty() {
self.block_queue.mark_as_good(&imported_blocks);
}
}
{
if !imported_blocks.is_empty() && self.block_queue.queue_info().is_empty() {
let (enacted, retracted) = self.calculate_enacted_retracted(&import_results);
if self.queue_info().is_empty() {
self.miner.chain_new_blocks(self, &imported_blocks, &invalid_blocks, &enacted, &retracted);
}
io.send(NetworkIoMessage::User(SyncMessage::NewChainBlocks {
imported: imported_blocks,
invalid: invalid_blocks,
enacted: enacted,
retracted: retracted,
sealed: Vec::new(),
})).unwrap_or_else(|e| warn!("Error sending IO notification: {:?}", e));
}
}
if self.chain_info().best_block_hash != original_best {
self.miner.update_sealing(self);
}
imported
}
fn commit_block<B>(&self, block: B, hash: &H256, block_data: &[u8]) -> ImportRoute where B: IsBlock + Drain {
let number = block.header().number();
// Are we committing an era?
let ancient = if number >= HISTORY {
let n = number - HISTORY;
Some((n, self.chain.block_hash(n).unwrap()))
} else {
None
};
// Commit results
let receipts = block.receipts().clone();
let traces = From::from(block.traces().clone().unwrap_or_else(Vec::new));
// CHECK! I *think* this is fine, even if the state_root is equal to another
// already-imported block of the same number.
// TODO: Prove it with a test.
block.drain().commit(number, hash, ancient).expect("State DB commit failed.");
// And update the chain after commit to prevent race conditions
// (when something is in chain but you are not able to fetch details)
let route = self.chain.insert_block(block_data, receipts);
self.tracedb.import(TraceImportRequest {
traces: traces,
block_hash: hash.clone(),
block_number: number,
enacted: route.enacted.clone(),
retracted: route.retracted.len()
});
route
}
/// Import transactions from the IO queue
pub fn import_queued_transactions(&self, transactions: &[Bytes]) -> usize {
let _timer = PerfTimer::new("import_queued_transactions");
self.queue_transactions.fetch_sub(transactions.len(), AtomicOrdering::SeqCst);
let txs = transactions.iter().filter_map(|bytes| UntrustedRlp::new(&bytes).as_val().ok()).collect();
let results = self.miner.import_external_transactions(self, txs);
results.len()
}
/// Attempt to get a copy of a specific block's state.
///
/// This will not fail if given BlockID::Latest.
/// Otherwise, this can fail (but may not) if the DB prunes state.
pub fn state_at(&self, id: BlockID) -> Option<State> {
// fast path for latest state.
if let BlockID::Latest = id.clone() {
return Some(self.state())
}
let block_number = match self.block_number(id.clone()) {
Some(num) => num,
None => return None,
};
self.block_header(id).and_then(|header| {
let db = self.state_db.lock().unwrap().boxed_clone();
// early exit for pruned blocks
if db.is_pruned() && self.chain.best_block_number() >= block_number + HISTORY {
return None;
}
let root = HeaderView::new(&header).state_root();
State::from_existing(db, root, self.engine.account_start_nonce(), self.trie_factory.clone()).ok()
})
}
/// Get a copy of the best block's state.
pub fn state(&self) -> State {
State::from_existing(
self.state_db.lock().unwrap().boxed_clone(),
HeaderView::new(&self.best_block_header()).state_root(),
self.engine.account_start_nonce(),
self.trie_factory.clone())
.expect("State root of best block header always valid.")
}
/// Get info on the cache.
pub fn blockchain_cache_info(&self) -> BlockChainCacheSize {
self.chain.cache_size()
}
/// Get the report.
pub fn report(&self) -> ClientReport {
let mut report = self.report.read().unwrap().clone();
report.state_db_mem = self.state_db.lock().unwrap().mem_used();
report
}
/// Tick the client.
// TODO: manage by real events.
pub fn tick(&self) {
self.chain.collect_garbage();
self.block_queue.collect_garbage();
match self.mode {
Mode::Dark(timeout) => {
let mut ss = self.sleep_state.lock().unwrap();
if let Some(t) = ss.last_activity {
if Instant::now() > t + timeout {
self.sleep();
ss.last_activity = None;
}
}
}
Mode::Passive(timeout, wakeup_after) => {
let mut ss = self.sleep_state.lock().unwrap();
let now = Instant::now();
if let Some(t) = ss.last_activity {
if now > t + timeout {
self.sleep();
ss.last_activity = None;
ss.last_autosleep = Some(now);
}
}
if let Some(t) = ss.last_autosleep {
if now > t + wakeup_after {
self.wake_up();
ss.last_activity = Some(now);
ss.last_autosleep = None;
}
}
}
_ => {}
}
}
/// Set up the cache behaviour.
pub fn configure_cache(&self, pref_cache_size: usize, max_cache_size: usize) {
self.chain.configure_cache(pref_cache_size, max_cache_size);
}
/// Look up the block number for the given block ID.
pub fn block_number(&self, id: BlockID) -> Option<BlockNumber> {
match id {
BlockID::Number(number) => Some(number),
BlockID::Hash(ref hash) => self.chain.block_number(hash),
BlockID::Earliest => Some(0),
BlockID::Latest => Some(self.chain.best_block_number())
}
}
fn block_hash(chain: &BlockChain, id: BlockID) -> Option<H256> {
match id {
BlockID::Hash(hash) => Some(hash),
BlockID::Number(number) => chain.block_hash(number),
BlockID::Earliest => chain.block_hash(0),
BlockID::Latest => Some(chain.best_block_hash())
}
}
fn transaction_address(&self, id: TransactionID) -> Option<TransactionAddress> {
match id {
TransactionID::Hash(ref hash) => self.chain.transaction_address(hash),
TransactionID::Location(id, index) => Self::block_hash(&self.chain, id).map(|hash| TransactionAddress {
block_hash: hash,
index: index,
})
}
}
fn wake_up(&self) {
if !self.liveness.load(AtomicOrdering::Relaxed) {
self.liveness.store(true, AtomicOrdering::Relaxed);
self.io_channel.send(NetworkIoMessage::User(SyncMessage::StartNetwork)).unwrap();
trace!(target: "mode", "wake_up: Waking.");
}
}
fn sleep(&self) {
if self.liveness.load(AtomicOrdering::Relaxed) {
// only sleep if the import queue is mostly empty.
if self.queue_info().total_queue_size() <= MAX_QUEUE_SIZE_TO_SLEEP_ON {
self.liveness.store(false, AtomicOrdering::Relaxed);
self.io_channel.send(NetworkIoMessage::User(SyncMessage::StopNetwork)).unwrap();
trace!(target: "mode", "sleep: Sleeping.");
} else {
trace!(target: "mode", "sleep: Cannot sleep - syncing ongoing.");
// TODO: Consider uncommenting.
//*self.last_activity.lock().unwrap() = Some(Instant::now());
}
}
}
/// Notify us that the network has been started.
pub fn network_started(&self, url: &String) {
let mut previous_enode = self.previous_enode.lock().unwrap();
if let Some(ref u) = *previous_enode {
if u == url {
return;
}
}
*previous_enode = Some(url.clone());
info!(target: "mode", "Public node URL: {}", url.apply(Colour::White.bold()));
}
}
#[derive(Ipc)]
#[ipc(client_ident="RemoteClient")]
impl BlockChainClient for Client {
fn call(&self, t: &SignedTransaction, analytics: CallAnalytics) -> Result<Executed, ExecutionError> {
let header = self.block_header(BlockID::Latest).unwrap();
let view = HeaderView::new(&header);
let last_hashes = self.build_last_hashes(view.hash());
let env_info = EnvInfo {
number: view.number(),
author: view.author(),
timestamp: view.timestamp(),
difficulty: view.difficulty(),
last_hashes: last_hashes,
gas_used: U256::zero(),
gas_limit: U256::max_value(),
};
// that's just a copy of the state.
let mut state = self.state();
let sender = try!(t.sender().map_err(|e| {
let message = format!("Transaction malformed: {:?}", e);
ExecutionError::TransactionMalformed(message)
}));
let balance = state.balance(&sender);
let needed_balance = t.value + t.gas * t.gas_price;
if balance < needed_balance {
// give the sender a sufficient balance
state.add_balance(&sender, &(needed_balance - balance));
}
let options = TransactOptions { tracing: analytics.transaction_tracing, vm_tracing: analytics.vm_tracing, check_nonce: false };
let mut ret = Executive::new(&mut state, &env_info, self.engine.deref().deref(), &self.vm_factory).transact(t, options);
// TODO gav move this into Executive.
if analytics.state_diffing {
if let Ok(ref mut x) = ret {
x.state_diff = Some(state.diff_from(self.state()));
}
}
ret
}
fn keep_alive(&self) {
if self.mode != Mode::Active {
self.wake_up();
(*self.sleep_state.lock().unwrap()).last_activity = Some(Instant::now());
}
}
fn block_header(&self, id: BlockID) -> Option<Bytes> {
Self::block_hash(&self.chain, id).and_then(|hash| self.chain.block(&hash).map(|bytes| BlockView::new(&bytes).rlp().at(0).as_raw().to_vec()))
}
fn block_body(&self, id: BlockID) -> Option<Bytes> {
Self::block_hash(&self.chain, id).and_then(|hash| {
self.chain.block(&hash).map(|bytes| {
let rlp = Rlp::new(&bytes);
let mut body = RlpStream::new_list(2);
body.append_raw(rlp.at(1).as_raw(), 1);
body.append_raw(rlp.at(2).as_raw(), 1);
body.out()
})
})
}
fn block(&self, id: BlockID) -> Option<Bytes> {
Self::block_hash(&self.chain, id).and_then(|hash| {
self.chain.block(&hash)
})
}
fn block_status(&self, id: BlockID) -> BlockStatus {
match Self::block_hash(&self.chain, id) {
Some(ref hash) if self.chain.is_known(hash) => BlockStatus::InChain,
Some(hash) => self.block_queue.block_status(&hash),
None => BlockStatus::Unknown
}
}
fn block_total_difficulty(&self, id: BlockID) -> Option<U256> {
Self::block_hash(&self.chain, id).and_then(|hash| self.chain.block_details(&hash)).map(|d| d.total_difficulty)
}
fn nonce(&self, address: &Address, id: BlockID) -> Option<U256> {
self.state_at(id).map(|s| s.nonce(address))
}
fn block_hash(&self, id: BlockID) -> Option<H256> {
Self::block_hash(&self.chain, id)
}
fn code(&self, address: &Address) -> Option<Bytes> {
self.state().code(address)
}
fn balance(&self, address: &Address, id: BlockID) -> Option<U256> {
self.state_at(id).map(|s| s.balance(address))
}
fn storage_at(&self, address: &Address, position: &H256, id: BlockID) -> Option<H256> {
self.state_at(id).map(|s| s.storage_at(address, position))
}
fn transaction(&self, id: TransactionID) -> Option<LocalizedTransaction> {
self.transaction_address(id).and_then(|address| self.chain.transaction(&address))
}
fn uncle(&self, id: UncleID) -> Option<Bytes> {
let index = id.position;
self.block(id.block).and_then(|block| BlockView::new(&block).uncle_rlp_at(index))
}
fn transaction_receipt(&self, id: TransactionID) -> Option<LocalizedReceipt> {
self.transaction_address(id).and_then(|address| {
let t = self.chain.block(&address.block_hash)
.and_then(|block| BlockView::new(&block).localized_transaction_at(address.index));
match (t, self.chain.transaction_receipt(&address)) {
(Some(tx), Some(receipt)) => {
let block_hash = tx.block_hash.clone();
let block_number = tx.block_number.clone();
let transaction_hash = tx.hash();
let transaction_index = tx.transaction_index;
let prior_gas_used = match tx.transaction_index {
0 => U256::zero(),
i => {
let prior_address = TransactionAddress { block_hash: address.block_hash, index: i - 1 };
let prior_receipt = self.chain.transaction_receipt(&prior_address).expect("Transaction receipt at `address` exists; `prior_address` has lower index in same block; qed");
prior_receipt.gas_used
}
};
Some(LocalizedReceipt {
transaction_hash: tx.hash(),
transaction_index: tx.transaction_index,
block_hash: tx.block_hash,
block_number: tx.block_number,
cumulative_gas_used: receipt.gas_used,
gas_used: receipt.gas_used - prior_gas_used,
contract_address: match tx.action {
Action::Call(_) => None,
Action::Create => Some(contract_address(&tx.sender().unwrap(), &tx.nonce))
},
logs: receipt.logs.into_iter().enumerate().map(|(i, log)| LocalizedLogEntry {
entry: log,
block_hash: block_hash.clone(),
block_number: block_number,
transaction_hash: transaction_hash.clone(),
transaction_index: transaction_index,
log_index: i
}).collect()
})
},
_ => None
}
})
}
fn tree_route(&self, from: &H256, to: &H256) -> Option<TreeRoute> {
match self.chain.is_known(from) && self.chain.is_known(to) {
true => Some(self.chain.tree_route(from.clone(), to.clone())),
false => None
}
}
fn find_uncles(&self, hash: &H256) -> Option<Vec<H256>> {
self.chain.find_uncle_hashes(hash, self.engine.maximum_uncle_age())
}
fn state_data(&self, hash: &H256) -> Option<Bytes> {
self.state_db.lock().unwrap().state(hash)
}
fn block_receipts(&self, hash: &H256) -> Option<Bytes> {
self.chain.block_receipts(hash).map(|receipts| rlp::encode(&receipts).to_vec())
}
fn import_block(&self, bytes: Bytes) -> Result<H256, BlockImportError> {
{
let header = BlockView::new(&bytes).header_view();
if self.chain.is_known(&header.sha3()) {
return Err(BlockImportError::Import(ImportError::AlreadyInChain));
}
if self.block_status(BlockID::Hash(header.parent_hash())) == BlockStatus::Unknown {
return Err(BlockImportError::Block(BlockError::UnknownParent(header.parent_hash())));
}
}
Ok(try!(self.block_queue.import_block(bytes)))
}
fn queue_info(&self) -> BlockQueueInfo {
self.block_queue.queue_info()
}
fn clear_queue(&self) {
self.block_queue.clear();
}
fn chain_info(&self) -> BlockChainInfo {
BlockChainInfo {
total_difficulty: self.chain.best_block_total_difficulty(),
pending_total_difficulty: self.chain.best_block_total_difficulty(),
genesis_hash: self.chain.genesis_hash(),
best_block_hash: self.chain.best_block_hash(),
best_block_number: From::from(self.chain.best_block_number())
}
}
fn blocks_with_bloom(&self, bloom: &H2048, from_block: BlockID, to_block: BlockID) -> Option<Vec<BlockNumber>> {
match (self.block_number(from_block), self.block_number(to_block)) {
(Some(from), Some(to)) => Some(self.chain.blocks_with_bloom(bloom, from, to)),
_ => None
}
}
fn logs(&self, filter: Filter) -> Vec<LocalizedLogEntry> {
// TODO: lock blockchain only once
let mut blocks = filter.bloom_possibilities().iter()
.filter_map(|bloom| self.blocks_with_bloom(bloom, filter.from_block.clone(), filter.to_block.clone()))
.flat_map(|m| m)
// remove duplicate elements
.collect::<HashSet<u64>>()
.into_iter()
.collect::<Vec<u64>>();
blocks.sort();
blocks.into_iter()
.filter_map(|number| self.chain.block_hash(number).map(|hash| (number, hash)))
.filter_map(|(number, hash)| self.chain.block_receipts(&hash).map(|r| (number, hash, r.receipts)))
.filter_map(|(number, hash, receipts)| self.chain.block(&hash).map(|ref b| (number, hash, receipts, BlockView::new(b).transaction_hashes())))
.flat_map(|(number, hash, receipts, hashes)| {
let mut log_index = 0;
receipts.into_iter()
.enumerate()
.flat_map(|(index, receipt)| {
log_index += receipt.logs.len();
receipt.logs.into_iter()
.enumerate()
.filter(|tuple| filter.matches(&tuple.1))
.map(|(i, log)| LocalizedLogEntry {
entry: log,
block_hash: hash.clone(),
block_number: number,
transaction_hash: hashes.get(index).cloned().unwrap_or_else(H256::new),
transaction_index: index,
log_index: log_index + i
})
.collect::<Vec<LocalizedLogEntry>>()
})
.collect::<Vec<LocalizedLogEntry>>()
})
.collect()
}
fn filter_traces(&self, filter: TraceFilter) -> Option<Vec<LocalizedTrace>> {
let start = self.block_number(filter.range.start);
let end = self.block_number(filter.range.end);
if start.is_some() && end.is_some() {
let filter = trace::Filter {
range: start.unwrap() as usize..end.unwrap() as usize,
from_address: From::from(filter.from_address),
to_address: From::from(filter.to_address),
};
let traces = self.tracedb.filter(&filter);
Some(traces)
} else {
None
}
}
fn trace(&self, trace: TraceId) -> Option<LocalizedTrace> {
let trace_address = trace.address;
self.transaction_address(trace.transaction)
.and_then(|tx_address| {
self.block_number(BlockID::Hash(tx_address.block_hash))
.and_then(|number| self.tracedb.trace(number, tx_address.index, trace_address))
})
}
fn transaction_traces(&self, transaction: TransactionID) -> Option<Vec<LocalizedTrace>> {
self.transaction_address(transaction)
.and_then(|tx_address| {
self.block_number(BlockID::Hash(tx_address.block_hash))
.and_then(|number| self.tracedb.transaction_traces(number, tx_address.index))
})
}
fn block_traces(&self, block: BlockID) -> Option<Vec<LocalizedTrace>> {
self.block_number(block)
.and_then(|number| self.tracedb.block_traces(number))
}
fn last_hashes(&self) -> LastHashes {
self.build_last_hashes(self.chain.best_block_hash())
}
fn queue_transactions(&self, transactions: Vec<Bytes>) {
if self.queue_transactions.load(AtomicOrdering::Relaxed) > MAX_TX_QUEUE_SIZE {
debug!("Ignoring {} transactions: queue is full", transactions.len());
} else {
let len = transactions.len();
match self.io_channel.send(NetworkIoMessage::User(SyncMessage::NewTransactions(transactions))) {
Ok(_) => {
self.queue_transactions.fetch_add(len, AtomicOrdering::SeqCst);
}
Err(e) => {
debug!("Ignoring {} transactions: error queueing: {}", len, e);
}
}
}
}
fn pending_transactions(&self) -> Vec<SignedTransaction> {
self.miner.pending_transactions()
}
}
impl MiningBlockChainClient for Client {
fn prepare_open_block(&self, author: Address, gas_range_target: (U256, U256), extra_data: Bytes) -> OpenBlock {
let engine = self.engine.deref().deref();
let h = self.chain.best_block_hash();
let mut open_block = OpenBlock::new(
engine,
&self.vm_factory,
self.trie_factory.clone(),
false, // TODO: this will need to be parameterised once we want to do immediate mining insertion.
self.state_db.lock().unwrap().boxed_clone(),
&self.chain.block_header(&h).expect("h is best block hash: so it's header must exist: qed"),
self.build_last_hashes(h.clone()),
author,
gas_range_target,
extra_data,
).expect("OpenBlock::new only fails if parent state root invalid; state root of best block's header is never invalid; qed");
// Add uncles
self.chain
.find_uncle_headers(&h, engine.maximum_uncle_age())
.unwrap()
.into_iter()
.take(engine.maximum_uncle_count())
.foreach(|h| {
open_block.push_uncle(h).unwrap();
});
open_block
}
fn vm_factory(&self) -> &EvmFactory {
&self.vm_factory
}
fn import_sealed_block(&self, block: SealedBlock) -> ImportResult {
let _import_lock = self.import_lock.lock();
let _timer = PerfTimer::new("import_sealed_block");
let original_best = self.chain_info().best_block_hash;
let h = block.header().hash();
let number = block.header().number();
let block_data = block.rlp_bytes();
let route = self.commit_block(block, &h, &block_data);
trace!(target: "client", "Imported sealed block #{} ({})", number, h);
{
let (enacted, retracted) = self.calculate_enacted_retracted(&[route]);
self.miner.chain_new_blocks(self, &[h.clone()], &[], &enacted, &retracted);
self.io_channel.send(NetworkIoMessage::User(SyncMessage::NewChainBlocks {
imported: vec![h.clone()],
invalid: vec![],
enacted: enacted,
retracted: retracted,
sealed: vec![h.clone()],
})).unwrap_or_else(|e| warn!("Error sending IO notification: {:?}", e));
}
if self.chain_info().best_block_hash != original_best {
self.miner.update_sealing(self);
}
Ok(h)
}
}
impl MayPanic for Client {
fn on_panic<F>(&self, closure: F) where F: OnPanicListener {
self.panic_handler.on_panic(closure);
}
}
impl IpcConfig for Client { }

921
ethcore/src/client/client_ipc.rs
View File

@@ -1,921 +0,0 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::path::PathBuf;
use std::collections::{HashSet, HashMap};
use std::ops::Deref;
use std::mem;
use std::collections::VecDeque;
use std::sync::*;
use std::path::Path;
use std::fmt;
use std::sync::atomic::{AtomicUsize, Ordering as AtomicOrdering};
// util
use util::numbers::*;
use util::panics::*;
use util::network::*;
use util::io::*;
use util::rlp;
use util::sha3::*;
use util::{Bytes};
use util::rlp::{RlpStream, Rlp, UntrustedRlp};
use util::journaldb;
use util::journaldb::JournalDB;
use util::kvdb::*;
use util::Itertools;
use util::PerfTimer;
use util::View;
use util::Stream;
// other
use views::BlockView;
use error::{ImportError, ExecutionError, BlockError, ImportResult};
use header::BlockNumber;
use state::State;
use spec::Spec;
use engine::Engine;
use views::HeaderView;
use service::{NetSyncMessage, SyncMessage};
use env_info::LastHashes;
use verification;
use verification::{PreverifiedBlock, Verifier};
use block::*;
use transaction::{LocalizedTransaction, SignedTransaction, Action};
use blockchain::extras::TransactionAddress;
use types::filter::Filter;
use log_entry::LocalizedLogEntry;
use block_queue::{BlockQueue, BlockQueueInfo};
use blockchain::{BlockChain, BlockProvider, TreeRoute, ImportRoute};
use client::{BlockID, TransactionID, UncleID, TraceId, ClientConfig,
DatabaseCompactionProfile, BlockChainClient, MiningBlockChainClient,
TraceFilter, CallAnalytics, BlockImportError, TransactionImportError, TransactionImportResult};
use client::Error as ClientError;
use env_info::EnvInfo;
use executive::{Executive, Executed, TransactOptions, contract_address};
use receipt::LocalizedReceipt;
use trace::{TraceDB, ImportRequest as TraceImportRequest, LocalizedTrace, Database as TraceDatabase};
use trace;
use evm::Factory as EvmFactory;
use miner::{Miner, MinerService, AccountDetails};
use util::TrieFactory;
use ipc::IpcConfig;
use ipc::binary::{BinaryConvertError};
// re-export
pub use types::blockchain_info::BlockChainInfo;
pub use types::block_status::BlockStatus;
pub use blockchain::CacheSize as BlockChainCacheSize;
const MAX_TX_QUEUE_SIZE: usize = 4096;
impl fmt::Display for BlockChainInfo {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "#{}.{}", self.best_block_number, self.best_block_hash)
}
}
/// Report on the status of a client.
#[derive(Default, Clone, Debug, Eq, PartialEq)]
pub struct ClientReport {
/// How many blocks have been imported so far.
pub blocks_imported: usize,
/// How many transactions have been applied so far.
pub transactions_applied: usize,
/// How much gas has been processed so far.
pub gas_processed: U256,
/// Memory used by state DB
pub state_db_mem: usize,
}
impl ClientReport {
/// Alter internal reporting to reflect the additional `block` has been processed.
pub fn accrue_block(&mut self, block: &PreverifiedBlock) {
self.blocks_imported += 1;
self.transactions_applied += block.transactions.len();
self.gas_processed = self.gas_processed + block.header.gas_used;
}
}
/// Blockchain database client backed by a persistent database. Owns and manages a blockchain and a block queue.
/// Call `import_block()` to import a block asynchronously; `flush_queue()` flushes the queue.
pub struct Client {
chain: Arc<BlockChain>,
tracedb: Arc<TraceDB<BlockChain>>,
engine: Arc<Box<Engine>>,
state_db: Mutex<Box<JournalDB>>,
block_queue: BlockQueue,
report: RwLock<ClientReport>,
import_lock: Mutex<()>,
panic_handler: Arc<PanicHandler>,
verifier: Box<Verifier>,
vm_factory: Arc<EvmFactory>,
trie_factory: TrieFactory,
miner: Arc<Miner>,
io_channel: IoChannel<NetSyncMessage>,
queue_transactions: AtomicUsize,
}
const HISTORY: u64 = 1200;
// DO NOT TOUCH THIS ANY MORE UNLESS YOU REALLY KNOW WHAT YOU'RE DOING.
// Altering it will force a blanket DB update for *all* JournalDB-derived
// databases.
// Instead, add/upgrade the version string of the individual JournalDB-derived database
// of which you actually want force an upgrade.
const CLIENT_DB_VER_STR: &'static str = "5.3";
/// Get the path for the databases given the root path and information on the databases.
pub fn get_db_path(path: &Path, pruning: journaldb::Algorithm, genesis_hash: H256) -> PathBuf {
let mut dir = path.to_path_buf();
dir.push(H64::from(genesis_hash).hex());
//TODO: sec/fat: pruned/full versioning
// version here is a bit useless now, since it's controlled only be the pruning algo.
dir.push(format!("v{}-sec-{}", CLIENT_DB_VER_STR, pruning));
dir
}
/// Append a path element to the given path and return the string.
pub fn append_path(path: &Path, item: &str) -> String {
let mut p = path.to_path_buf();
p.push(item);
p.to_str().unwrap().to_owned()
}
impl Client {
/// Create a new client with given spec and DB path and custom verifier.
pub fn new(
config: ClientConfig,
spec: Spec,
path: &Path,
miner: Arc<Miner>,
message_channel: IoChannel<NetSyncMessage>)
-> Result<Arc<Client>, ClientError>
{
let path = get_db_path(path, config.pruning, spec.genesis_header().hash());
let gb = spec.genesis_block();
let chain = Arc::new(BlockChain::new(config.blockchain, &gb, &path));
let tracedb = Arc::new(try!(TraceDB::new(config.tracing, &path, chain.clone())));
let mut state_db_config = match config.db_cache_size {
None => DatabaseConfig::default(),
Some(cache_size) => DatabaseConfig::with_cache(cache_size),
};
if config.db_compaction == DatabaseCompactionProfile::HDD {
state_db_config = state_db_config.compaction(CompactionProfile::hdd());
}
let mut state_db = journaldb::new(
&append_path(&path, "state"),
config.pruning,
state_db_config
);
if state_db.is_empty() && spec.ensure_db_good(state_db.as_hashdb_mut()) {
state_db.commit(0, &spec.genesis_header().hash(), None).expect("Error commiting genesis state to state DB");
}
let engine = Arc::new(spec.engine);
let block_queue = BlockQueue::new(config.queue, engine.clone(), message_channel.clone());
let panic_handler = PanicHandler::new_in_arc();
panic_handler.forward_from(&block_queue);
let client = Client {
chain: chain,
tracedb: tracedb,
engine: engine,
state_db: Mutex::new(state_db),
block_queue: block_queue,
report: RwLock::new(Default::default()),
import_lock: Mutex::new(()),
panic_handler: panic_handler,
verifier: verification::new(config.verifier_type),
vm_factory: Arc::new(EvmFactory::new(config.vm_type)),
trie_factory: TrieFactory::new(config.trie_spec),
miner: miner,
io_channel: message_channel,
queue_transactions: AtomicUsize::new(0),
};
Ok(Arc::new(client))
}
/// Flush the block import queue.
pub fn flush_queue(&self) {
self.block_queue.flush();
}
fn build_last_hashes(&self, parent_hash: H256) -> LastHashes {
let mut last_hashes = LastHashes::new();
last_hashes.resize(256, H256::new());
last_hashes[0] = parent_hash;
for i in 0..255 {
match self.chain.block_details(&last_hashes[i]) {
Some(details) => {
last_hashes[i + 1] = details.parent.clone();
},
None => break,
}
}
last_hashes
}
fn check_and_close_block(&self, block: &PreverifiedBlock) -> Result<LockedBlock, ()> {
let engine = self.engine.deref().deref();
let header = &block.header;
// Check the block isn't so old we won't be able to enact it.
let best_block_number = self.chain.best_block_number();
if best_block_number >= HISTORY && header.number() <= best_block_number - HISTORY {
warn!(target: "client", "Block import failed for #{} ({})\nBlock is ancient (current best block: #{}).", header.number(), header.hash(), best_block_number);
return Err(());
}
// Verify Block Family
let verify_family_result = self.verifier.verify_block_family(&header, &block.bytes, engine, self.chain.deref());
if let Err(e) = verify_family_result {
warn!(target: "client", "Stage 3 block verification failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
};
// Check if Parent is in chain
let chain_has_parent = self.chain.block_header(&header.parent_hash);
if let None = chain_has_parent {
warn!(target: "client", "Block import failed for #{} ({}): Parent not found ({}) ", header.number(), header.hash(), header.parent_hash);
return Err(());
};
// Enact Verified Block
let parent = chain_has_parent.unwrap();
let last_hashes = self.build_last_hashes(header.parent_hash.clone());
let db = self.state_db.lock().unwrap().boxed_clone();
let enact_result = enact_verified(&block, engine, self.tracedb.tracing_enabled(), db, &parent, last_hashes, self.dao_rescue_block_gas_limit(header.parent_hash.clone()), &self.vm_factory, self.trie_factory.clone());
if let Err(e) = enact_result {
warn!(target: "client", "Block import failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
};
// Final Verification
let locked_block = enact_result.unwrap();
if let Err(e) = self.verifier.verify_block_final(&header, locked_block.block().header()) {
warn!(target: "client", "Stage 4 block verification failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
}
Ok(locked_block)
}
fn calculate_enacted_retracted(&self, import_results: &[ImportRoute]) -> (Vec<H256>, Vec<H256>) {
fn map_to_vec(map: Vec<(H256, bool)>) -> Vec<H256> {
map.into_iter().map(|(k, _v)| k).collect()
}
// In ImportRoute we get all the blocks that have been enacted and retracted by single insert.
// Because we are doing multiple inserts some of the blocks that were enacted in import `k`
// could be retracted in import `k+1`. This is why to understand if after all inserts
// the block is enacted or retracted we iterate over all routes and at the end final state
// will be in the hashmap
let map = import_results.iter().fold(HashMap::new(), |mut map, route| {
for hash in &route.enacted {
map.insert(hash.clone(), true);
}
for hash in &route.retracted {
map.insert(hash.clone(), false);
}
map
});
// Split to enacted retracted (using hashmap value)
let (enacted, retracted) = map.into_iter().partition(|&(_k, v)| v);
// And convert tuples to keys
(map_to_vec(enacted), map_to_vec(retracted))
}
/// This is triggered by a message coming from a block queue when the block is ready for insertion
pub fn import_verified_blocks(&self, io: &IoChannel<NetSyncMessage>) -> usize {
let max_blocks_to_import = 64;
let mut imported_blocks = Vec::with_capacity(max_blocks_to_import);
let mut invalid_blocks = HashSet::new();
let mut import_results = Vec::with_capacity(max_blocks_to_import);
let _import_lock = self.import_lock.lock();
let _timer = PerfTimer::new("import_verified_blocks");
let blocks = self.block_queue.drain(max_blocks_to_import);
let original_best = self.chain_info().best_block_hash;
for block in blocks {
let header = &block.header;
if invalid_blocks.contains(&header.parent_hash) {
invalid_blocks.insert(header.hash());
continue;
}
let closed_block = self.check_and_close_block(&block);
if let Err(_) = closed_block {
invalid_blocks.insert(header.hash());
continue;
}
let closed_block = closed_block.unwrap();
imported_blocks.push(header.hash());
let route = self.commit_block(closed_block, &header.hash(), &block.bytes);
import_results.push(route);
self.report.write().unwrap().accrue_block(&block);
trace!(target: "client", "Imported #{} ({})", header.number(), header.hash());
}
let imported = imported_blocks.len();
let invalid_blocks = invalid_blocks.into_iter().collect::<Vec<H256>>();
{
if !invalid_blocks.is_empty() {
self.block_queue.mark_as_bad(&invalid_blocks);
}
if !imported_blocks.is_empty() {
self.block_queue.mark_as_good(&imported_blocks);
}
}
{
if !imported_blocks.is_empty() && self.block_queue.queue_info().is_empty() {
let (enacted, retracted) = self.calculate_enacted_retracted(&import_results);
if self.queue_info().is_empty() {
self.miner.chain_new_blocks(self, &imported_blocks, &invalid_blocks, &enacted, &retracted);
}
io.send(NetworkIoMessage::User(SyncMessage::NewChainBlocks {
imported: imported_blocks,
invalid: invalid_blocks,
enacted: enacted,
retracted: retracted,
sealed: Vec::new(),
})).unwrap_or_else(|e| warn!("Error sending IO notification: {:?}", e));
}
}
if self.chain_info().best_block_hash != original_best {
self.miner.update_sealing(self);
}
imported
}
fn commit_block<B>(&self, block: B, hash: &H256, block_data: &[u8]) -> ImportRoute where B: IsBlock + Drain {
let number = block.header().number();
// Are we committing an era?
let ancient = if number >= HISTORY {
let n = number - HISTORY;
Some((n, self.chain.block_hash(n).unwrap()))
} else {
None
};
// Commit results
let receipts = block.receipts().clone();
let traces = From::from(block.traces().clone().unwrap_or_else(Vec::new));
// CHECK! I *think* this is fine, even if the state_root is equal to another
// already-imported block of the same number.
// TODO: Prove it with a test.
block.drain().commit(number, hash, ancient).expect("State DB commit failed.");
// And update the chain after commit to prevent race conditions
// (when something is in chain but you are not able to fetch details)
let route = self.chain.insert_block(block_data, receipts);
self.tracedb.import(TraceImportRequest {
traces: traces,
block_hash: hash.clone(),
block_number: number,
enacted: route.enacted.clone(),
retracted: route.retracted.len()
});
route
}
/// Import transactions from the IO queue
pub fn import_queued_transactions(&self, transactions: &[Bytes]) -> usize {
let _timer = PerfTimer::new("import_queued_transactions");
self.queue_transactions.fetch_sub(transactions.len(), AtomicOrdering::SeqCst);
let fetch_account = |a: &Address| AccountDetails {
nonce: self.latest_nonce(a),
balance: self.latest_balance(a),
};
let tx = transactions.iter().filter_map(|bytes| UntrustedRlp::new(&bytes).as_val().ok()).collect();
let results = self.miner.import_transactions(self, tx, fetch_account);
results.len()
}
/// Attempt to get a copy of a specific block's state.
///
/// This will not fail if given BlockID::Latest.
/// Otherwise, this can fail (but may not) if the DB prunes state.
pub fn state_at(&self, id: BlockID) -> Option<State> {
// fast path for latest state.
if let BlockID::Latest = id.clone() {
return Some(self.state())
}
let block_number = match self.block_number(id.clone()) {
Some(num) => num,
None => return None,
};
self.block_header(id).and_then(|header| {
let db = self.state_db.lock().unwrap().boxed_clone();
// early exit for pruned blocks
if db.is_pruned() && self.chain.best_block_number() >= block_number + HISTORY {
return None;
}
let root = HeaderView::new(&header).state_root();
State::from_existing(db, root, self.engine.account_start_nonce(), self.trie_factory.clone()).ok()
})
}
/// Get a copy of the best block's state.
pub fn state(&self) -> State {
State::from_existing(
self.state_db.lock().unwrap().boxed_clone(),
HeaderView::new(&self.best_block_header()).state_root(),
self.engine.account_start_nonce(),
self.trie_factory.clone())
.expect("State root of best block header always valid.")
}
/// Get info on the cache.
pub fn blockchain_cache_info(&self) -> BlockChainCacheSize {
self.chain.cache_size()
}
/// Get the report.
pub fn report(&self) -> ClientReport {
let mut report = self.report.read().unwrap().clone();
report.state_db_mem = self.state_db.lock().unwrap().mem_used();
report
}
/// Tick the client.
pub fn tick(&self) {
self.chain.collect_garbage();
self.block_queue.collect_garbage();
}
/// Set up the cache behaviour.
pub fn configure_cache(&self, pref_cache_size: usize, max_cache_size: usize) {
self.chain.configure_cache(pref_cache_size, max_cache_size);
}
/// Look up the block number for the given block ID.
pub fn block_number(&self, id: BlockID) -> Option<BlockNumber> {
match id {
BlockID::Number(number) => Some(number),
BlockID::Hash(ref hash) => self.chain.block_number(hash),
BlockID::Earliest => Some(0),
BlockID::Latest => Some(self.chain.best_block_number())
}
}
fn block_hash(chain: &BlockChain, id: BlockID) -> Option<H256> {
match id {
BlockID::Hash(hash) => Some(hash),
BlockID::Number(number) => chain.block_hash(number),
BlockID::Earliest => chain.block_hash(0),
BlockID::Latest => Some(chain.best_block_hash())
}
}
fn transaction_address(&self, id: TransactionID) -> Option<TransactionAddress> {
match id {
TransactionID::Hash(ref hash) => self.chain.transaction_address(hash),
TransactionID::Location(id, index) => Self::block_hash(&self.chain, id).map(|hash| TransactionAddress {
block_hash: hash,
index: index,
})
}
}
}
#[derive(Ipc)]
#[ipc(client_ident="RemoteClient")]
impl BlockChainClient for Client {
fn call(&self, t: &SignedTransaction, analytics: CallAnalytics) -> Result<Executed, ExecutionError> {
let header = self.block_header(BlockID::Latest).unwrap();
let view = HeaderView::new(&header);
let last_hashes = self.build_last_hashes(view.hash());
let env_info = EnvInfo {
number: view.number(),
author: view.author(),
timestamp: view.timestamp(),
difficulty: view.difficulty(),
last_hashes: last_hashes,
gas_used: U256::zero(),
gas_limit: U256::max_value(),
dao_rescue_block_gas_limit: self.dao_rescue_block_gas_limit(view.parent_hash()),
};
// that's just a copy of the state.
let mut state = self.state();
let sender = try!(t.sender().map_err(|e| {
let message = format!("Transaction malformed: {:?}", e);
ExecutionError::TransactionMalformed(message)
}));
let balance = state.balance(&sender);
let needed_balance = t.value + t.gas * t.gas_price;
if balance < needed_balance {
// give the sender a sufficient balance
state.add_balance(&sender, &(needed_balance - balance));
}
let options = TransactOptions { tracing: analytics.transaction_tracing, vm_tracing: analytics.vm_tracing, check_nonce: false };
let mut ret = Executive::new(&mut state, &env_info, self.engine.deref().deref(), &self.vm_factory).transact(t, options);
// TODO gav move this into Executive.
if analytics.state_diffing {
if let Ok(ref mut x) = ret {
x.state_diff = Some(state.diff_from(self.state()));
}
}
ret
}
fn block_header(&self, id: BlockID) -> Option<Bytes> {
Self::block_hash(&self.chain, id).and_then(|hash| self.chain.block(&hash).map(|bytes| BlockView::new(&bytes).rlp().at(0).as_raw().to_vec()))
}
fn block_body(&self, id: BlockID) -> Option<Bytes> {
Self::block_hash(&self.chain, id).and_then(|hash| {
self.chain.block(&hash).map(|bytes| {
let rlp = Rlp::new(&bytes);
let mut body = RlpStream::new_list(2);
body.append_raw(rlp.at(1).as_raw(), 1);
body.append_raw(rlp.at(2).as_raw(), 1);
body.out()
})
})
}
fn block(&self, id: BlockID) -> Option<Bytes> {
Self::block_hash(&self.chain, id).and_then(|hash| {
self.chain.block(&hash)
})
}
fn block_status(&self, id: BlockID) -> BlockStatus {
match Self::block_hash(&self.chain, id) {
Some(ref hash) if self.chain.is_known(hash) => BlockStatus::InChain,
Some(hash) => self.block_queue.block_status(&hash),
None => BlockStatus::Unknown
}
}
fn block_total_difficulty(&self, id: BlockID) -> Option<U256> {
Self::block_hash(&self.chain, id).and_then(|hash| self.chain.block_details(&hash)).map(|d| d.total_difficulty)
}
fn nonce(&self, address: &Address, id: BlockID) -> Option<U256> {
self.state_at(id).map(|s| s.nonce(address))
}
fn block_hash(&self, id: BlockID) -> Option<H256> {
Self::block_hash(&self.chain, id)
}
fn code(&self, address: &Address) -> Option<Bytes> {
self.state().code(address)
}
fn balance(&self, address: &Address, id: BlockID) -> Option<U256> {
self.state_at(id).map(|s| s.balance(address))
}
fn storage_at(&self, address: &Address, position: &H256, id: BlockID) -> Option<H256> {
self.state_at(id).map(|s| s.storage_at(address, position))
}
fn transaction(&self, id: TransactionID) -> Option<LocalizedTransaction> {
self.transaction_address(id).and_then(|address| self.chain.transaction(&address))
}
fn uncle(&self, id: UncleID) -> Option<Bytes> {
let index = id.position;
self.block(id.block).and_then(|block| BlockView::new(&block).uncle_rlp_at(index))
}
fn transaction_receipt(&self, id: TransactionID) -> Option<LocalizedReceipt> {
self.transaction_address(id).and_then(|address| {
let t = self.chain.block(&address.block_hash)
.and_then(|block| BlockView::new(&block).localized_transaction_at(address.index));
match (t, self.chain.transaction_receipt(&address)) {
(Some(tx), Some(receipt)) => {
let block_hash = tx.block_hash.clone();
let block_number = tx.block_number.clone();
let transaction_hash = tx.hash();
let transaction_index = tx.transaction_index;
let prior_gas_used = match tx.transaction_index {
0 => U256::zero(),
i => {
let prior_address = TransactionAddress { block_hash: address.block_hash, index: i - 1 };
let prior_receipt = self.chain.transaction_receipt(&prior_address).expect("Transaction receipt at `address` exists; `prior_address` has lower index in same block; qed");
prior_receipt.gas_used
}
};
Some(LocalizedReceipt {
transaction_hash: tx.hash(),
transaction_index: tx.transaction_index,
block_hash: tx.block_hash,
block_number: tx.block_number,
cumulative_gas_used: receipt.gas_used,
gas_used: receipt.gas_used - prior_gas_used,
contract_address: match tx.action {
Action::Call(_) => None,
Action::Create => Some(contract_address(&tx.sender().unwrap(), &tx.nonce))
},
logs: receipt.logs.into_iter().enumerate().map(|(i, log)| LocalizedLogEntry {
entry: log,
block_hash: block_hash.clone(),
block_number: block_number,
transaction_hash: transaction_hash.clone(),
transaction_index: transaction_index,
log_index: i
}).collect()
})
},
_ => None
}
})
}
fn tree_route(&self, from: &H256, to: &H256) -> Option<TreeRoute> {
match self.chain.is_known(from) && self.chain.is_known(to) {
true => Some(self.chain.tree_route(from.clone(), to.clone())),
false => None
}
}
fn find_uncles(&self, hash: &H256) -> Option<Vec<H256>> {
self.chain.find_uncle_hashes(hash, self.engine.maximum_uncle_age())
}
fn state_data(&self, hash: &H256) -> Option<Bytes> {
self.state_db.lock().unwrap().state(hash)
}
fn block_receipts(&self, hash: &H256) -> Option<Bytes> {
self.chain.block_receipts(hash).map(|receipts| rlp::encode(&receipts).to_vec())
}
fn import_block(&self, bytes: Bytes) -> Result<H256, BlockImportError> {
{
let header = BlockView::new(&bytes).header_view();
if self.chain.is_known(&header.sha3()) {
return Err(BlockImportError::Import(ImportError::AlreadyInChain));
}
if self.block_status(BlockID::Hash(header.parent_hash())) == BlockStatus::Unknown {
return Err(BlockImportError::Block(BlockError::UnknownParent(header.parent_hash())));
}
}
Ok(try!(self.block_queue.import_block(bytes)))
}
fn queue_info(&self) -> BlockQueueInfo {
self.block_queue.queue_info()
}
fn clear_queue(&self) {
self.block_queue.clear();
}
fn chain_info(&self) -> BlockChainInfo {
BlockChainInfo {
total_difficulty: self.chain.best_block_total_difficulty(),
pending_total_difficulty: self.chain.best_block_total_difficulty(),
genesis_hash: self.chain.genesis_hash(),
best_block_hash: self.chain.best_block_hash(),
best_block_number: From::from(self.chain.best_block_number())
}
}
fn blocks_with_bloom(&self, bloom: &H2048, from_block: BlockID, to_block: BlockID) -> Option<Vec<BlockNumber>> {
match (self.block_number(from_block), self.block_number(to_block)) {
(Some(from), Some(to)) => Some(self.chain.blocks_with_bloom(bloom, from, to)),
_ => None
}
}
fn logs(&self, filter: Filter) -> Vec<LocalizedLogEntry> {
// TODO: lock blockchain only once
let mut blocks = filter.bloom_possibilities().iter()
.filter_map(|bloom| self.blocks_with_bloom(bloom, filter.from_block.clone(), filter.to_block.clone()))
.flat_map(|m| m)
// remove duplicate elements
.collect::<HashSet<u64>>()
.into_iter()
.collect::<Vec<u64>>();
blocks.sort();
blocks.into_iter()
.filter_map(|number| self.chain.block_hash(number).map(|hash| (number, hash)))
.filter_map(|(number, hash)| self.chain.block_receipts(&hash).map(|r| (number, hash, r.receipts)))
.filter_map(|(number, hash, receipts)| self.chain.block(&hash).map(|ref b| (number, hash, receipts, BlockView::new(b).transaction_hashes())))
.flat_map(|(number, hash, receipts, hashes)| {
let mut log_index = 0;
receipts.into_iter()
.enumerate()
.flat_map(|(index, receipt)| {
log_index += receipt.logs.len();
receipt.logs.into_iter()
.enumerate()
.filter(|tuple| filter.matches(&tuple.1))
.map(|(i, log)| LocalizedLogEntry {
entry: log,
block_hash: hash.clone(),
block_number: number,
transaction_hash: hashes.get(index).cloned().unwrap_or_else(H256::new),
transaction_index: index,
log_index: log_index + i
})
.collect::<Vec<LocalizedLogEntry>>()
})
.collect::<Vec<LocalizedLogEntry>>()
})
.collect()
}
fn filter_traces(&self, filter: TraceFilter) -> Option<Vec<LocalizedTrace>> {
let start = self.block_number(filter.range.start);
let end = self.block_number(filter.range.end);
if start.is_some() && end.is_some() {
let filter = trace::Filter {
range: start.unwrap() as usize..end.unwrap() as usize,
from_address: From::from(filter.from_address),
to_address: From::from(filter.to_address),
};
let traces = self.tracedb.filter(&filter);
Some(traces)
} else {
None
}
}
fn trace(&self, trace: TraceId) -> Option<LocalizedTrace> {
let trace_address = trace.address;
self.transaction_address(trace.transaction)
.and_then(|tx_address| {
self.block_number(BlockID::Hash(tx_address.block_hash))
.and_then(|number| self.tracedb.trace(number, tx_address.index, trace_address))
})
}
fn transaction_traces(&self, transaction: TransactionID) -> Option<Vec<LocalizedTrace>> {
self.transaction_address(transaction)
.and_then(|tx_address| {
self.block_number(BlockID::Hash(tx_address.block_hash))
.and_then(|number| self.tracedb.transaction_traces(number, tx_address.index))
})
}
fn block_traces(&self, block: BlockID) -> Option<Vec<LocalizedTrace>> {
self.block_number(block)
.and_then(|number| self.tracedb.block_traces(number))
}
fn last_hashes(&self) -> LastHashes {
self.build_last_hashes(self.chain.best_block_hash())
}
fn import_transactions(&self, transactions: Vec<SignedTransaction>) -> Vec<Result<TransactionImportResult, TransactionImportError>> {
let fetch_account = |a: &Address| AccountDetails {
nonce: self.latest_nonce(a),
balance: self.latest_balance(a),
};
self.miner.import_transactions(self, transactions, &fetch_account)
.into_iter()
.map(|res| res.map_err(|e| e.into()))
.collect()
}
fn queue_transactions(&self, transactions: Vec<Bytes>) {
if self.queue_transactions.load(AtomicOrdering::Relaxed) > MAX_TX_QUEUE_SIZE {
debug!("Ignoring {} transactions: queue is full", transactions.len());
} else {
let len = transactions.len();
match self.io_channel.send(NetworkIoMessage::User(SyncMessage::NewTransactions(transactions))) {
Ok(_) => {
self.queue_transactions.fetch_add(len, AtomicOrdering::SeqCst);
}
Err(e) => {
debug!("Ignoring {} transactions: error queueing: {}", len, e);
}
}
}
}
fn pending_transactions(&self) -> Vec<SignedTransaction> {
self.miner.pending_transactions()
}
}
impl MiningBlockChainClient for Client {
fn prepare_open_block(&self, author: Address, gas_range_target: (U256, U256), extra_data: Bytes) -> OpenBlock {
let engine = self.engine.deref().deref();
let h = self.chain.best_block_hash();
let mut open_block = OpenBlock::new(
engine,
&self.vm_factory,
self.trie_factory.clone(),
false, // TODO: this will need to be parameterised once we want to do immediate mining insertion.
self.state_db.lock().unwrap().boxed_clone(),
&self.chain.block_header(&h).expect("h is best block hash: so it's header must exist: qed"),
self.build_last_hashes(h.clone()),
self.dao_rescue_block_gas_limit(h.clone()),
author,
gas_range_target,
extra_data,
).expect("OpenBlock::new only fails if parent state root invalid; state root of best block's header is never invalid; qed");
// Add uncles
self.chain
.find_uncle_headers(&h, engine.maximum_uncle_age())
.unwrap()
.into_iter()
.take(engine.maximum_uncle_count())
.foreach(|h| {
open_block.push_uncle(h).unwrap();
});
open_block
}
fn vm_factory(&self) -> &EvmFactory {
&self.vm_factory
}
fn import_sealed_block(&self, block: SealedBlock) -> ImportResult {
let _import_lock = self.import_lock.lock();
let _timer = PerfTimer::new("import_sealed_block");
let original_best = self.chain_info().best_block_hash;
let h = block.header().hash();
let number = block.header().number();
let block_data = block.rlp_bytes();
let route = self.commit_block(block, &h, &block_data);
trace!(target: "client", "Imported sealed block #{} ({})", number, h);
{
let (enacted, retracted) = self.calculate_enacted_retracted(&[route]);
self.miner.chain_new_blocks(self, &[h.clone()], &[], &enacted, &retracted);
self.io_channel.send(NetworkIoMessage::User(SyncMessage::NewChainBlocks {
imported: vec![h.clone()],
invalid: vec![],
enacted: enacted,
retracted: retracted,
sealed: vec![h.clone()],
})).unwrap_or_else(|e| warn!("Error sending IO notification: {:?}", e));
}
if self.chain_info().best_block_hash != original_best {
self.miner.update_sealing(self);
}
Ok(h)
}
}
impl MayPanic for Client {
fn on_panic<F>(&self, closure: F) where F: OnPanicListener {
self.panic_handler.on_panic(closure);
}
}
impl IpcConfig for Client { }

20
ethcore/src/client/config.rs
View File

@@ -14,6 +14,7 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
pub use std::time::Duration;
pub use block_queue::BlockQueueConfig;
pub use blockchain::Config as BlockChainConfig;
pub use trace::{Config as TraceConfig, Switch};
@@ -35,6 +36,23 @@ impl Default for DatabaseCompactionProfile {
fn default() -> Self { DatabaseCompactionProfile::Default }
}
/// Operating mode for the client.
#[derive(Debug, Eq, PartialEq)]
pub enum Mode {
/// Always on.
Active,
/// Goes offline after RLP is inactive for some (given) time, but
/// comes back online after a while of inactivity.
Passive(Duration, Duration),
/// Goes offline after RLP is inactive for some (given) time and
/// stays inactive.
Dark(Duration),
}
impl Default for Mode {
fn default() -> Self { Mode::Active }
}
/// Client configuration. Includes configs for all sub-systems.
#[derive(Debug, Default)]
pub struct ClientConfig {
@@ -56,6 +74,8 @@ pub struct ClientConfig {
pub db_cache_size: Option<usize>,
/// State db compaction profile
pub db_compaction: DatabaseCompactionProfile,
/// Operating mode
pub mode: Mode,
/// Type of block verifier used by client.
pub verifier_type: VerifierType,
}

45
ethcore/src/client/mod.rs
View File

@@ -16,14 +16,13 @@
//! Blockchain database client.
mod client;
mod config;
mod error;
mod test_client;
mod trace;
pub use self::client::*;
pub use self::config::{ClientConfig, DatabaseCompactionProfile, BlockQueueConfig, BlockChainConfig, Switch, VMType};
pub use self::config::{Mode, ClientConfig, DatabaseCompactionProfile, BlockQueueConfig, BlockChainConfig, Switch, VMType};
pub use self::error::Error;
pub use types::ids::*;
pub use self::test_client::{TestBlockChainClient, EachBlockWith};
@@ -42,17 +41,30 @@ use header::{BlockNumber};
use transaction::{LocalizedTransaction, SignedTransaction};
use log_entry::LocalizedLogEntry;
use filter::Filter;
use views::{HeaderView, BlockView};
use views::{BlockView};
use error::{ImportResult, ExecutionError};
use receipt::LocalizedReceipt;
use trace::LocalizedTrace;
use evm::Factory as EvmFactory;
pub use types::call_analytics::CallAnalytics;
pub use block_import_error::BlockImportError;
pub use transaction_import::{TransactionImportResult, TransactionImportError};
pub use transaction_import::TransactionImportResult;
pub use transaction_import::TransactionImportError;
pub mod client {
//! Blockchain database client.
#![allow(dead_code, unused_assignments, unused_variables, missing_docs)] // codegen issues
include!(concat!(env!("OUT_DIR"), "/client.ipc.rs"));
}
/// Blockchain database client. Owns and manages a blockchain and a block queue.
pub trait BlockChainClient : Sync + Send {
/// Should be called by any external-facing interface when actively using the client.
/// To minimise chatter, there's no need to call more than once every 30s.
fn keep_alive(&self) {}
/// Get raw block header data by block id.
fn block_header(&self, id: BlockID) -> Option<Bytes>;
@@ -177,9 +189,6 @@ pub trait BlockChainClient : Sync + Send {
/// Get last hashes starting from best block.
fn last_hashes(&self) -> LastHashes;
/// import transactions from network/other 3rd party
fn import_transactions(&self, transactions: Vec<SignedTransaction>) -> Vec<Result<TransactionImportResult, TransactionImportError>>;
/// Queue transactions for importing.
fn queue_transactions(&self, transactions: Vec<Bytes>);
@@ -211,28 +220,6 @@ pub trait BlockChainClient : Sync + Send {
Err(())
}
}
/// Get `Some` gas limit of SOFT_FORK_BLOCK, or `None` if chain is not yet that long.
fn dao_rescue_block_gas_limit(&self, chain_hash: H256) -> Option<U256> {
const SOFT_FORK_BLOCK: u64 = 1800000;
// shortcut if the canon chain is already known.
if self.chain_info().best_block_number > SOFT_FORK_BLOCK + 1000 {
return self.block_header(BlockID::Number(SOFT_FORK_BLOCK)).map(|header| HeaderView::new(&header).gas_limit());
}
// otherwise check according to `chain_hash`.
if let Some(mut header) = self.block_header(BlockID::Hash(chain_hash)) {
if HeaderView::new(&header).number() < SOFT_FORK_BLOCK {
None
} else {
while HeaderView::new(&header).number() != SOFT_FORK_BLOCK {
header = self.block_header(BlockID::Hash(HeaderView::new(&header).parent_hash())).expect("chain is complete; parent of chain entry must be in chain; qed");
}
Some(HeaderView::new(&header).gas_limit())
}
} else {
None
}
}
}
/// Extended client interface used for mining

30
ethcore/src/client/test_client.rs
View File

@@ -22,7 +22,7 @@ use transaction::{Transaction, LocalizedTransaction, SignedTransaction, Action};
use blockchain::TreeRoute;
use client::{BlockChainClient, MiningBlockChainClient, BlockChainInfo, BlockStatus, BlockID,
TransactionID, UncleID, TraceId, TraceFilter, LastHashes, CallAnalytics,
TransactionImportError, BlockImportError};
BlockImportError};
use header::{Header as BlockHeader, BlockNumber};
use filter::Filter;
use log_entry::LocalizedLogEntry;
@@ -39,8 +39,6 @@ use executive::Executed;
use error::ExecutionError;
use trace::LocalizedTrace;
use miner::{TransactionImportResult, AccountDetails};
/// Test client.
pub struct TestBlockChainClient {
/// Blocks.
@@ -275,6 +273,10 @@ impl BlockChainClient for TestBlockChainClient {
}
}
fn latest_nonce(&self, address: &Address) -> U256 {
self.nonce(address, BlockID::Latest).unwrap()
}
fn code(&self, address: &Address) -> Option<Bytes> {
self.code.read().unwrap().get(address).cloned()
}
@@ -287,6 +289,10 @@ impl BlockChainClient for TestBlockChainClient {
}
}
fn latest_balance(&self, address: &Address) -> U256 {
self.balance(address, BlockID::Latest).unwrap()
}
fn storage_at(&self, address: &Address, position: &H256, id: BlockID) -> Option<H256> {
if let BlockID::Latest = id {
Some(self.storage.read().unwrap().get(&(address.clone(), position.clone())).cloned().unwrap_or_else(H256::new))
@@ -488,24 +494,10 @@ impl BlockChainClient for TestBlockChainClient {
unimplemented!();
}
fn import_transactions(&self, transactions: Vec<SignedTransaction>) -> Vec<Result<TransactionImportResult, TransactionImportError>> {
let nonces = self.nonces.read().unwrap();
let balances = self.balances.read().unwrap();
let fetch_account = |a: &Address| AccountDetails {
nonce: nonces[a],
balance: balances[a],
};
self.miner.import_transactions(self, transactions, &fetch_account)
.into_iter()
.map(|res| res.map_err(|e| e.into()))
.collect()
}
fn queue_transactions(&self, transactions: Vec<Bytes>) {
// import right here
let tx = transactions.into_iter().filter_map(|bytes| UntrustedRlp::new(&bytes).as_val().ok()).collect();
self.import_transactions(tx);
let txs = transactions.into_iter().filter_map(|bytes| UntrustedRlp::new(&bytes).as_val().ok()).collect();
self.miner.import_external_transactions(self, txs);
}
fn pending_transactions(&self) -> Vec<SignedTransaction> {

5
ethcore/src/env_info.rs
View File

@@ -39,9 +39,6 @@ pub struct EnvInfo {
pub last_hashes: LastHashes,
/// The gas used.
pub gas_used: U256,
/// Block gas limit at DAO rescue block SOFT_FORK_BLOCK or None if not yet there.
pub dao_rescue_block_gas_limit: Option<U256>,
}
impl Default for EnvInfo {
@@ -54,7 +51,6 @@ impl Default for EnvInfo {
gas_limit: 0.into(),
last_hashes: vec![],
gas_used: 0.into(),
dao_rescue_block_gas_limit: None,
}
}
}
@@ -70,7 +66,6 @@ impl From<ethjson::vm::Env> for EnvInfo {
timestamp: e.timestamp.into(),
last_hashes: (1..cmp::min(number + 1, 257)).map(|i| format!("{}", number - i).as_bytes().sha3()).collect(),
gas_used: U256::zero(),
dao_rescue_block_gas_limit: None,
}
}
}

15
ethcore/src/ethereum/ethash.rs
View File

@@ -39,8 +39,6 @@ pub struct EthashParams {
pub registrar: Address,
/// Homestead transition block number.
pub frontier_compatibility_mode_limit: u64,
/// Enable the soft-fork logic.
pub dao_rescue_soft_fork: bool,
}
impl From<ethjson::spec::EthashParams> for EthashParams {
@@ -53,7 +51,6 @@ impl From<ethjson::spec::EthashParams> for EthashParams {
block_reward: p.block_reward.into(),
registrar: p.registrar.into(),
frontier_compatibility_mode_limit: p.frontier_compatibility_mode_limit.into(),
dao_rescue_soft_fork: p.dao_rescue_soft_fork.into(),
}
}
}
@@ -102,11 +99,7 @@ impl Engine for Ethash {
if env_info.number < self.ethash_params.frontier_compatibility_mode_limit {
Schedule::new_frontier()
} else {
let mut s = Schedule::new_homestead();
if self.ethash_params.dao_rescue_soft_fork {
s.reject_dao_transactions = env_info.dao_rescue_block_gas_limit.map_or(false, |x| x <= 4_000_000.into());
}
s
Schedule::new_homestead()
}
}
@@ -325,7 +318,7 @@ mod tests {
spec.ensure_db_good(db.as_hashdb_mut());
let last_hashes = vec![genesis_header.hash()];
let vm_factory = Default::default();
let b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, last_hashes, None, Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, last_hashes, Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = b.close();
assert_eq!(b.state().balance(&Address::zero()), U256::from_str("4563918244f40000").unwrap());
}
@@ -340,7 +333,7 @@ mod tests {
spec.ensure_db_good(db.as_hashdb_mut());
let last_hashes = vec![genesis_header.hash()];
let vm_factory = Default::default();
let mut b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, last_hashes, None, Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let mut b = OpenBlock::new(engine.deref(), &vm_factory, Default::default(), false, db, &genesis_header, last_hashes, Address::zero(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let mut uncle = Header::new();
let uncle_author = address_from_hex("ef2d6d194084c2de36e0dabfce45d046b37d1106");
uncle.author = uncle_author.clone();
@@ -369,7 +362,6 @@ mod tests {
last_hashes: vec![],
gas_used: 0.into(),
gas_limit: 0.into(),
dao_rescue_block_gas_limit: None,
});
assert!(schedule.stack_limit > 0);
@@ -382,7 +374,6 @@ mod tests {
last_hashes: vec![],
gas_used: 0.into(),
gas_limit: 0.into(),
dao_rescue_block_gas_limit: None,
});
assert!(!schedule.have_delegate_call);

9
ethcore/src/ethereum/mod.rs
View File

@@ -33,11 +33,8 @@ use super::spec::*;
pub fn new_olympic() -> Spec { Spec::load(include_bytes!("../../res/ethereum/olympic.json")) }
/// Create a new Frontier mainnet chain spec.
pub fn new_frontier(dao_rescue: bool) -> Spec {
Spec::load(match dao_rescue {
true => include_bytes!("../../res/ethereum/frontier_dao_rescue.json"),
false => include_bytes!("../../res/ethereum/frontier.json"),
})
pub fn new_frontier() -> Spec {
Spec::load(include_bytes!("../../res/ethereum/frontier.json"))
}
/// Create a new Frontier chain spec as though it never changes to Homestead.
@@ -89,7 +86,7 @@ mod tests {
#[test]
fn frontier() {
let frontier = new_frontier(true);
let frontier = new_frontier();
assert_eq!(frontier.state_root(), H256::from_str("d7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544").unwrap());
let genesis = frontier.genesis_block();

126
ethcore/src/evm/benches/mod.rs Normal file
View File

@@ -0,0 +1,126 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! benchmarking for EVM
//! should be started with:
//! ```bash
//! multirust run nightly cargo bench
//! ```
extern crate test;
use self::test::{Bencher, black_box};
use common::*;
use evm::{self, Factory, VMType};
use evm::tests::FakeExt;
#[bench]
fn simple_loop_log0_usize(b: &mut Bencher) {
simple_loop_log0(U256::from(::std::usize::MAX), b)
}
#[bench]
fn simple_loop_log0_u256(b: &mut Bencher) {
simple_loop_log0(!U256::zero(), b)
}
fn simple_loop_log0(gas: U256, b: &mut Bencher) {
let mut vm = Factory::new(VMType::Interpreter).create(gas);
let mut ext = FakeExt::new();
let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
let code = black_box(
"62ffffff5b600190036000600fa0600357".from_hex().unwrap()
);
b.iter(|| {
let mut params = ActionParams::default();
params.address = address.clone();
params.gas = gas;
params.code = Some(code.clone());
result(vm.exec(params, &mut ext))
});
}
#[bench]
fn mem_gas_calculation_same_usize(b: &mut Bencher) {
mem_gas_calculation_same(U256::from(::std::usize::MAX), b)
}
#[bench]
fn mem_gas_calculation_same_u256(b: &mut Bencher) {
mem_gas_calculation_same(!U256::zero(), b)
}
fn mem_gas_calculation_same(gas: U256, b: &mut Bencher) {
let mut vm = Factory::new(VMType::Interpreter).create(gas);
let mut ext = FakeExt::new();
let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
b.iter(|| {
let code = black_box(
"6110006001556001546000555b610fff805560016000540380600055600c57".from_hex().unwrap()
);
let mut params = ActionParams::default();
params.address = address.clone();
params.gas = gas;
params.code = Some(code.clone());
result(vm.exec(params, &mut ext))
});
}
#[bench]
fn mem_gas_calculation_increasing_usize(b: &mut Bencher) {
mem_gas_calculation_increasing(U256::from(::std::usize::MAX), b)
}
#[bench]
fn mem_gas_calculation_increasing_u256(b: &mut Bencher) {
mem_gas_calculation_increasing(!U256::zero(), b)
}
fn mem_gas_calculation_increasing(gas: U256, b: &mut Bencher) {
let mut vm = Factory::new(VMType::Interpreter).create(gas);
let mut ext = FakeExt::new();
let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
b.iter(|| {
let code = black_box(
"6110006001556001546000555b610fff60005401805560016000540380600055600c57".from_hex().unwrap()
);
let mut params = ActionParams::default();
params.address = address.clone();
params.gas = gas;
params.code = Some(code.clone());
result(vm.exec(params, &mut ext))
});
}
fn result(r: evm::Result<evm::GasLeft>) -> U256 {
match r {
Ok(evm::GasLeft::Known(v)) => v,
Ok(evm::GasLeft::NeedsReturn(v, _)) => v,
_ => U256::zero(),
}
}

55
ethcore/src/evm/evm.rs
View File

@@ -95,6 +95,61 @@ impl<'a> Finalize for Result<GasLeft<'a>> {
}
}
pub trait CostType: ops::Mul<Output=Self> + ops::Div<Output=Self> + ops::Add<Output=Self> + ops::Sub<Output=Self> + ops::Shr<usize, Output=Self> + ops::Shl<usize, Output=Self> + cmp::Ord + Sized + From<usize> + Copy {
fn as_u256(&self) -> U256;
fn from_u256(val: U256) -> Result<Self>;
fn as_usize(&self) -> usize;
fn overflow_add(self, other: Self) -> (Self, bool);
fn overflow_mul(self, other: Self) -> (Self, bool);
}
impl CostType for U256 {
fn as_u256(&self) -> U256 {
*self
}
fn from_u256(val: U256) -> Result<Self> {
Ok(val)
}
fn as_usize(&self) -> usize {
self.as_u64() as usize
}
fn overflow_add(self, other: Self) -> (Self, bool) {
Uint::overflowing_add(self, other)
}
fn overflow_mul(self, other: Self) -> (Self, bool) {
Uint::overflowing_mul(self, other)
}
}
impl CostType for usize {
fn as_u256(&self) -> U256 {
U256::from(*self)
}
fn from_u256(val: U256) -> Result<Self> {
if U256::from(val.low_u64()) != val {
return Err(Error::OutOfGas);
}
Ok(val.low_u64() as usize)
}
fn as_usize(&self) -> usize {
*self
}
fn overflow_add(self, other: Self) -> (Self, bool) {
self.overflowing_add(other)
}
fn overflow_mul(self, other: Self) -> (Self, bool) {
self.overflowing_mul(other)
}
}
/// Evm interface
pub trait Evm {
/// This function should be used to execute transaction.

25
ethcore/src/evm/factory.rs
View File

@@ -19,6 +19,7 @@
//! TODO: consider spliting it into two separate files.
use std::fmt;
use evm::Evm;
use util::{U256, Uint};
#[derive(Debug, Clone)]
/// Type of EVM to use.
@@ -85,24 +86,30 @@ pub struct Factory {
impl Factory {
/// Create fresh instance of VM
/// Might choose implementation depending on supplied gas.
#[cfg(feature = "jit")]
pub fn create(&self) -> Box<Evm> {
pub fn create(&self, gas: U256) -> Box<Evm> {
match self.evm {
VMType::Jit => {
Box::new(super::jit::JitEvm::default())
},
VMType::Interpreter => {
Box::new(super::interpreter::Interpreter::default())
VMType::Interpreter => if Self::can_fit_in_usize(gas) {
Box::new(super::interpreter::Interpreter::<usize>::default())
} else {
Box::new(super::interpreter::Interpreter::<U256>::default())
}
}
}
/// Create fresh instance of VM
/// Might choose implementation depending on supplied gas.
#[cfg(not(feature = "jit"))]
pub fn create(&self) -> Box<Evm> {
pub fn create(&self, gas: U256) -> Box<Evm> {
match self.evm {
VMType::Interpreter => {
Box::new(super::interpreter::Interpreter::default())
VMType::Interpreter => if Self::can_fit_in_usize(gas) {
Box::new(super::interpreter::Interpreter::<usize>::default())
} else {
Box::new(super::interpreter::Interpreter::<U256>::default())
}
}
}
@@ -113,6 +120,10 @@ impl Factory {
evm: evm
}
}
fn can_fit_in_usize(gas: U256) -> bool {
gas == U256::from(gas.low_u64() as usize)
}
}
impl Default for Factory {
@@ -135,7 +146,7 @@ impl Default for Factory {
#[test]
fn test_create_vm() {
let _vm = Factory::default().create();
let _vm = Factory::default().create(U256::zero());
}
/// Create tests by injecting different VM factories

2
ethcore/src/evm/instructions.rs
View File

@@ -79,7 +79,7 @@ fn test_get_log_topics() {
assert_eq!(get_log_topics(LOG4), 4);
}
#[derive(PartialEq)]
#[derive(PartialEq, Clone, Copy)]
pub enum GasPriceTier {
/// 0 Zero
Zero,

261
ethcore/src/evm/interpreter/gasometer.rs Normal file
View File

@@ -0,0 +1,261 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use common::*;
use super::u256_to_address;
use evm::{self, CostType};
use evm::instructions::{self, Instruction, InstructionInfo};
use evm::interpreter::stack::Stack;
macro_rules! overflowing {
($x: expr) => {{
let (v, overflow) = $x;
if overflow { return Err(evm::Error::OutOfGas); }
v
}}
}
#[cfg_attr(feature="dev", allow(enum_variant_names))]
enum InstructionCost<Cost: CostType> {
Gas(Cost),
GasMem(Cost, Cost),
GasMemCopy(Cost, Cost, Cost)
}
pub struct Gasometer<Gas: CostType> {
pub current_gas: Gas,
}
impl<Gas: CostType> Gasometer<Gas> {
pub fn new(current_gas: Gas) -> Self {
Gasometer {
current_gas: current_gas,
}
}
pub fn verify_gas(&self, gas_cost: &Gas) -> evm::Result<()> {
match &self.current_gas < gas_cost {
true => Err(evm::Error::OutOfGas),
false => Ok(())
}
}
#[cfg_attr(feature="dev", allow(cyclomatic_complexity))]
pub fn get_gas_cost_mem(
&mut self,
ext: &evm::Ext,
instruction: Instruction,
info: &InstructionInfo,
stack: &Stack<U256>,
current_mem_size: usize,
) -> evm::Result<(Gas, usize)> {
let schedule = ext.schedule();
let tier = instructions::get_tier_idx(info.tier);
let default_gas = Gas::from(schedule.tier_step_gas[tier]);
let cost = match instruction {
instructions::SSTORE => {
let address = H256::from(stack.peek(0));
let newval = stack.peek(1);
let val = U256::from(ext.storage_at(&address).as_slice());
let gas = if U256::zero() == val && &U256::zero() != newval {
schedule.sstore_set_gas
} else {
// Refund for below case is added when actually executing sstore
// !self.is_zero(&val) && self.is_zero(newval)
schedule.sstore_reset_gas
};
InstructionCost::Gas(Gas::from(gas))
},
instructions::SLOAD => {
InstructionCost::Gas(Gas::from(schedule.sload_gas))
},
instructions::MSTORE | instructions::MLOAD => {
InstructionCost::GasMem(default_gas, try!(self.mem_needed_const(stack.peek(0), 32)))
},
instructions::MSTORE8 => {
InstructionCost::GasMem(default_gas, try!(self.mem_needed_const(stack.peek(0), 1)))
},
instructions::RETURN => {
InstructionCost::GasMem(default_gas, try!(self.mem_needed(stack.peek(0), stack.peek(1))))
},
instructions::SHA3 => {
let w = overflowing!(add_gas_usize(try!(Gas::from_u256(*stack.peek(1))), 31));
let words = w >> 5;
let gas = Gas::from(schedule.sha3_gas) + (Gas::from(schedule.sha3_word_gas) * words);
InstructionCost::GasMem(gas, try!(self.mem_needed(stack.peek(0), stack.peek(1))))
},
instructions::CALLDATACOPY | instructions::CODECOPY => {
InstructionCost::GasMemCopy(default_gas, try!(self.mem_needed(stack.peek(0), stack.peek(2))), try!(Gas::from_u256(*stack.peek(2))))
},
instructions::EXTCODECOPY => {
InstructionCost::GasMemCopy(default_gas, try!(self.mem_needed(stack.peek(1), stack.peek(3))), try!(Gas::from_u256(*stack.peek(3))))
},
instructions::JUMPDEST => {
InstructionCost::Gas(Gas::from(1))
},
instructions::LOG0...instructions::LOG4 => {
let no_of_topics = instructions::get_log_topics(instruction);
let log_gas = schedule.log_gas + schedule.log_topic_gas * no_of_topics;
let data_gas = overflowing!(try!(Gas::from_u256(*stack.peek(1))).overflow_mul(Gas::from(schedule.log_data_gas)));
let gas = overflowing!(data_gas.overflow_add(Gas::from(log_gas)));
InstructionCost::GasMem(gas, try!(self.mem_needed(stack.peek(0), stack.peek(1))))
},
instructions::CALL | instructions::CALLCODE => {
let mut gas = overflowing!(add_gas_usize(try!(Gas::from_u256(*stack.peek(0))), schedule.call_gas));
let mem = cmp::max(
try!(self.mem_needed(stack.peek(5), stack.peek(6))),
try!(self.mem_needed(stack.peek(3), stack.peek(4)))
);
let address = u256_to_address(stack.peek(1));
if instruction == instructions::CALL && !ext.exists(&address) {
gas = overflowing!(gas.overflow_add(Gas::from(schedule.call_new_account_gas)));
};
if stack.peek(2) > &U256::zero() {
gas = overflowing!(gas.overflow_add(Gas::from(schedule.call_value_transfer_gas)));
};
InstructionCost::GasMem(gas,mem)
},
instructions::DELEGATECALL => {
let gas = overflowing!(add_gas_usize(try!(Gas::from_u256(*stack.peek(0))), schedule.call_gas));
let mem = cmp::max(
try!(self.mem_needed(stack.peek(4), stack.peek(5))),
try!(self.mem_needed(stack.peek(2), stack.peek(3)))
);
InstructionCost::GasMem(gas, mem)
},
instructions::CREATE => {
let gas = Gas::from(schedule.create_gas);
let mem = try!(self.mem_needed(stack.peek(1), stack.peek(2)));
InstructionCost::GasMem(gas, mem)
},
instructions::EXP => {
let expon = stack.peek(1);
let bytes = ((expon.bits() + 7) / 8) as usize;
let gas = Gas::from(schedule.exp_gas + schedule.exp_byte_gas * bytes);
InstructionCost::Gas(gas)
},
_ => InstructionCost::Gas(default_gas)
};
match cost {
InstructionCost::Gas(gas) => {
Ok((gas, 0))
},
InstructionCost::GasMem(gas, mem_size) => {
let (mem_gas, new_mem_size) = try!(self.mem_gas_cost(schedule, current_mem_size, &mem_size));
let gas = overflowing!(gas.overflow_add(mem_gas));
Ok((gas, new_mem_size))
},
InstructionCost::GasMemCopy(gas, mem_size, copy) => {
let (mem_gas, new_mem_size) = try!(self.mem_gas_cost(schedule, current_mem_size, &mem_size));
let copy = overflowing!(add_gas_usize(copy, 31));
let copy_gas = Gas::from(schedule.copy_gas) * (copy / Gas::from(32 as usize));
let gas = overflowing!(gas.overflow_add(copy_gas));
let gas = overflowing!(gas.overflow_add(mem_gas));
Ok((gas, new_mem_size))
}
}
}
fn is_zero(&self, val: &Gas) -> bool {
&Gas::from(0) == val
}
fn mem_needed_const(&self, mem: &U256, add: usize) -> evm::Result<Gas> {
Gas::from_u256(overflowing!(mem.overflowing_add(U256::from(add))))
}
fn mem_needed(&self, offset: &U256, size: &U256) -> evm::Result<Gas> {
if self.is_zero(&try!(Gas::from_u256(*size))) {
return Ok(Gas::from(0));
}
Gas::from_u256(overflowing!(offset.overflowing_add(*size)))
}
fn mem_gas_cost(&self, schedule: &evm::Schedule, current_mem_size: usize, mem_size: &Gas) -> evm::Result<(Gas, usize)> {
let gas_for_mem = |mem_size: Gas| {
let s = mem_size >> 5;
// s * memory_gas + s * s / quad_coeff_div
let a = overflowing!(s.overflow_mul(Gas::from(schedule.memory_gas)));
// We need to go to U512 to calculate s*s/quad_coeff_div
let b = U512::from(s.as_u256()) * U512::from(s.as_u256()) / U512::from(schedule.quad_coeff_div);
if b > U512::from(!U256::zero()) {
Err(evm::Error::OutOfGas)
} else {
Ok(overflowing!(a.overflow_add(try!(Gas::from_u256(U256::from(b))))))
}
};
let current_mem_size = Gas::from(current_mem_size);
let req_mem_size_rounded = (overflowing!(mem_size.overflow_add(Gas::from(31 as usize))) >> 5) << 5;
let mem_gas_cost = if req_mem_size_rounded > current_mem_size {
let new_mem_gas = try!(gas_for_mem(req_mem_size_rounded));
let current_mem_gas = try!(gas_for_mem(current_mem_size));
new_mem_gas - current_mem_gas
} else {
Gas::from(0)
};
Ok((mem_gas_cost, req_mem_size_rounded.as_usize()))
}
}
#[inline]
fn add_gas_usize<Gas: CostType>(value: Gas, num: usize) -> (Gas, bool) {
value.overflow_add(Gas::from(num))
}
#[test]
fn test_mem_gas_cost() {
// given
let gasometer = Gasometer::<U256>::new(U256::zero());
let schedule = evm::Schedule::default();
let current_mem_size = 5;
let mem_size = !U256::zero();
// when
let result = gasometer.mem_gas_cost(&schedule, current_mem_size, &mem_size);
// then
if let Ok(_) = result {
assert!(false, "Should fail with OutOfGas");
}
}
#[test]
fn test_calculate_mem_cost() {
// given
let gasometer = Gasometer::<usize>::new(0);
let schedule = evm::Schedule::default();
let current_mem_size = 0;
let mem_size = 5;
// when
let (mem_cost, mem_size) = gasometer.mem_gas_cost(&schedule, current_mem_size, &mem_size).unwrap();
// then
assert_eq!(mem_cost, 3);
assert_eq!(mem_size, 32);
}

150
ethcore/src/evm/interpreter/memory.rs Normal file
View File

@@ -0,0 +1,150 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use util::{U256, Uint};
pub trait Memory {
/// Retrieve current size of the memory
fn size(&self) -> usize;
/// Resize (shrink or expand) the memory to specified size (fills 0)
fn resize(&mut self, new_size: usize);
/// Resize the memory only if its smaller
fn expand(&mut self, new_size: usize);
/// Write single byte to memory
fn write_byte(&mut self, offset: U256, value: U256);
/// Write a word to memory. Does not resize memory!
fn write(&mut self, offset: U256, value: U256);
/// Read a word from memory
fn read(&self, offset: U256) -> U256;
/// Write slice of bytes to memory. Does not resize memory!
fn write_slice(&mut self, offset: U256, &[u8]);
/// Retrieve part of the memory between offset and offset + size
fn read_slice(&self, offset: U256, size: U256) -> &[u8];
/// Retrieve writeable part of memory
fn writeable_slice(&mut self, offset: U256, size: U256) -> &mut[u8];
fn dump(&self);
}
/// Checks whether offset and size is valid memory range
fn is_valid_range(off: usize, size: usize) -> bool {
// When size is zero we haven't actually expanded the memory
let overflow = off.overflowing_add(size).1;
size > 0 && !overflow
}
impl Memory for Vec<u8> {
fn dump(&self) {
println!("MemoryDump:");
for i in self.iter() {
println!("{:02x} ", i);
}
println!("");
}
fn size(&self) -> usize {
self.len()
}
fn read_slice(&self, init_off_u: U256, init_size_u: U256) -> &[u8] {
let off = init_off_u.low_u64() as usize;
let size = init_size_u.low_u64() as usize;
if !is_valid_range(off, size) {
&self[0..0]
} else {
&self[off..off+size]
}
}
fn read(&self, offset: U256) -> U256 {
let off = offset.low_u64() as usize;
U256::from(&self[off..off+32])
}
fn writeable_slice(&mut self, offset: U256, size: U256) -> &mut [u8] {
let off = offset.low_u64() as usize;
let s = size.low_u64() as usize;
if !is_valid_range(off, s) {
&mut self[0..0]
} else {
&mut self[off..off+s]
}
}
fn write_slice(&mut self, offset: U256, slice: &[u8]) {
let off = offset.low_u64() as usize;
// TODO [todr] Optimize?
for pos in off..off+slice.len() {
self[pos] = slice[pos - off];
}
}
fn write(&mut self, offset: U256, value: U256) {
let off = offset.low_u64() as usize;
let mut val = value;
let end = off + 32;
for pos in 0..32 {
self[end - pos - 1] = val.low_u64() as u8;
val = val >> 8;
}
}
fn write_byte(&mut self, offset: U256, value: U256) {
let off = offset.low_u64() as usize;
let val = value.low_u64() as u64;
self[off] = val as u8;
}
fn resize(&mut self, new_size: usize) {
self.resize(new_size, 0);
}
fn expand(&mut self, size: usize) {
if size > self.len() {
Memory::resize(self, size)
}
}
}
#[test]
fn test_memory_read_and_write() {
// given
let mem: &mut Memory = &mut vec![];
mem.resize(0x80 + 32);
// when
mem.write(U256::from(0x80), U256::from(0xabcdef));
// then
assert_eq!(mem.read(U256::from(0x80)), U256::from(0xabcdef));
}
#[test]
fn test_memory_read_and_write_byte() {
// given
let mem: &mut Memory = &mut vec![];
mem.resize(32);
// when
mem.write_byte(U256::from(0x1d), U256::from(0xab));
mem.write_byte(U256::from(0x1e), U256::from(0xcd));
mem.write_byte(U256::from(0x1f), U256::from(0xef));
// then
assert_eq!(mem.read(U256::from(0x00)), U256::from(0xabcdef));
}

590
ethcore/src/evm/interpreter.rs → ethcore/src/evm/interpreter/mod.rs
View File

@@ -16,12 +16,6 @@
///! Rust VM implementation
use common::*;
use super::instructions as instructions;
use super::instructions::{Instruction, get_info};
use std::marker::Copy;
use evm::{self, MessageCallResult, ContractCreateResult, GasLeft};
#[cfg(not(feature = "evm-debug"))]
macro_rules! evm_debug {
($x: expr) => {}
@@ -34,6 +28,19 @@ macro_rules! evm_debug {
}
}
mod gasometer;
mod stack;
mod memory;
use self::gasometer::Gasometer;
use self::stack::{Stack, VecStack};
use self::memory::Memory;
use std::marker::PhantomData;
use common::*;
use super::instructions::{self, Instruction, InstructionInfo};
use evm::{self, MessageCallResult, ContractCreateResult, GasLeft, CostType};
#[cfg(feature = "evm-debug")]
fn color(instruction: Instruction, name: &'static str) -> String {
let c = instruction as usize % 6;
@@ -41,209 +48,9 @@ fn color(instruction: Instruction, name: &'static str) -> String {
format!("\x1B[1;{}m{}\x1B[0m", colors[c], name)
}
macro_rules! overflowing {
($x: expr) => {{
let (v, overflow) = $x;
if overflow { return Err(evm::Error::OutOfGas); }
v
}}
}
type CodePosition = usize;
type Gas = U256;
type ProgramCounter = usize;
/// Stack trait with VM-friendly API
trait Stack<T> {
/// Returns `Stack[len(Stack) - no_from_top]`
fn peek(&self, no_from_top: usize) -> &T;
/// Swaps Stack[len(Stack)] and Stack[len(Stack) - no_from_top]
fn swap_with_top(&mut self, no_from_top: usize);
/// Returns true if Stack has at least `no_of_elems` elements
fn has(&self, no_of_elems: usize) -> bool;
/// Get element from top and remove it from Stack. Panics if stack is empty.
fn pop_back(&mut self) -> T;
/// Get (up to `instructions::MAX_NO_OF_TOPICS`) elements from top and remove them from Stack. Panics if stack is empty.
fn pop_n(&mut self, no_of_elems: usize) -> &[T];
/// Add element on top of the Stack
fn push(&mut self, elem: T);
/// Get number of elements on Stack
fn size(&self) -> usize;
/// Returns all data on stack.
fn peek_top(&mut self, no_of_elems: usize) -> &[T];
}
struct VecStack<S> {
stack: Vec<S>,
logs: [S; instructions::MAX_NO_OF_TOPICS]
}
impl<S : Copy> VecStack<S> {
fn with_capacity(capacity: usize, zero: S) -> Self {
VecStack {
stack: Vec::with_capacity(capacity),
logs: [zero; instructions::MAX_NO_OF_TOPICS]
}
}
}
impl<S : fmt::Display> Stack<S> for VecStack<S> {
fn peek(&self, no_from_top: usize) -> &S {
&self.stack[self.stack.len() - no_from_top - 1]
}
fn swap_with_top(&mut self, no_from_top: usize) {
let len = self.stack.len();
self.stack.swap(len - no_from_top - 1, len - 1);
}
fn has(&self, no_of_elems: usize) -> bool {
self.stack.len() >= no_of_elems
}
fn pop_back(&mut self) -> S {
let val = self.stack.pop();
match val {
Some(x) => {
evm_debug!({
println!(" POP: {}", x)
});
x
},
None => panic!("Tried to pop from empty stack.")
}
}
fn pop_n(&mut self, no_of_elems: usize) -> &[S] {
assert!(no_of_elems <= instructions::MAX_NO_OF_TOPICS);
for i in 0..no_of_elems {
self.logs[i] = self.pop_back();
}
&self.logs[0..no_of_elems]
}
fn push(&mut self, elem: S) {
evm_debug!({
println!(" PUSH: {}", elem)
});
self.stack.push(elem);
}
fn size(&self) -> usize {
self.stack.len()
}
fn peek_top(&mut self, no_from_top: usize) -> &[S] {
assert!(self.stack.len() >= no_from_top, "peek_top asked for more items than exist.");
&self.stack[self.stack.len() - no_from_top .. self.stack.len()]
}
}
trait Memory {
/// Retrieve current size of the memory
fn size(&self) -> usize;
/// Resize (shrink or expand) the memory to specified size (fills 0)
fn resize(&mut self, new_size: usize);
/// Resize the memory only if its smaller
fn expand(&mut self, new_size: usize);
/// Write single byte to memory
fn write_byte(&mut self, offset: U256, value: U256);
/// Write a word to memory. Does not resize memory!
fn write(&mut self, offset: U256, value: U256);
/// Read a word from memory
fn read(&self, offset: U256) -> U256;
/// Write slice of bytes to memory. Does not resize memory!
fn write_slice(&mut self, offset: U256, &[u8]);
/// Retrieve part of the memory between offset and offset + size
fn read_slice(&self, offset: U256, size: U256) -> &[u8];
/// Retrieve writeable part of memory
fn writeable_slice(&mut self, offset: U256, size: U256) -> &mut[u8];
fn dump(&self);
}
/// Checks whether offset and size is valid memory range
fn is_valid_range(off: usize, size: usize) -> bool {
// When size is zero we haven't actually expanded the memory
let overflow = off.overflowing_add(size).1;
size > 0 && !overflow
}
impl Memory for Vec<u8> {
fn dump(&self) {
println!("MemoryDump:");
for i in self.iter() {
println!("{:02x} ", i);
}
println!("");
}
fn size(&self) -> usize {
self.len()
}
fn read_slice(&self, init_off_u: U256, init_size_u: U256) -> &[u8] {
let off = init_off_u.low_u64() as usize;
let size = init_size_u.low_u64() as usize;
if !is_valid_range(off, size) {
&self[0..0]
} else {
&self[off..off+size]
}
}
fn read(&self, offset: U256) -> U256 {
let off = offset.low_u64() as usize;
U256::from(&self[off..off+32])
}
fn writeable_slice(&mut self, offset: U256, size: U256) -> &mut [u8] {
let off = offset.low_u64() as usize;
let s = size.low_u64() as usize;
if !is_valid_range(off, s) {
&mut self[0..0]
} else {
&mut self[off..off+s]
}
}
fn write_slice(&mut self, offset: U256, slice: &[u8]) {
let off = offset.low_u64() as usize;
// TODO [todr] Optimize?
for pos in off..off+slice.len() {
self[pos] = slice[pos - off];
}
}
fn write(&mut self, offset: U256, value: U256) {
let off = offset.low_u64() as usize;
let mut val = value;
let end = off + 32;
for pos in 0..32 {
self[end - pos - 1] = val.low_u64() as u8;
val = val >> 8;
}
}
fn write_byte(&mut self, offset: U256, value: U256) {
let off = offset.low_u64() as usize;
let val = value.low_u64() as u64;
self[off] = val as u8;
}
fn resize(&mut self, new_size: usize) {
self.resize(new_size, 0);
}
fn expand(&mut self, size: usize) {
if size > self.len() {
Memory::resize(self, size)
}
}
}
/// Abstraction over raw vector of Bytes. Easier state management of PC.
struct CodeReader<'a> {
position: ProgramCounter,
@@ -265,38 +72,33 @@ impl<'a> CodeReader<'a> {
}
}
#[cfg_attr(feature="dev", allow(enum_variant_names))]
enum InstructionCost {
Gas(U256),
GasMem(U256, U256),
GasMemCopy(U256, U256, U256)
}
enum InstructionResult {
enum InstructionResult<Gas> {
Ok,
UseAllGas,
GasLeft(U256),
UnusedGas(U256),
GasLeft(Gas),
UnusedGas(Gas),
JumpToPosition(U256),
// gas left, init_orf, init_size
StopExecutionNeedsReturn(U256, U256, U256),
StopExecutionNeedsReturn(Gas, U256, U256),
StopExecution,
}
/// Intepreter EVM implementation
#[derive(Default)]
pub struct Interpreter {
pub struct Interpreter<Cost: CostType> {
mem: Vec<u8>,
_type: PhantomData<Cost>,
}
impl evm::Evm for Interpreter {
impl<Cost: CostType> evm::Evm for Interpreter<Cost> {
fn exec(&mut self, params: ActionParams, ext: &mut evm::Ext) -> evm::Result<GasLeft> {
self.mem.clear();
let code = &params.code.as_ref().unwrap();
let valid_jump_destinations = self.find_jump_destinations(&code);
let mut current_gas = params.gas;
let mut gasometer = Gasometer::<Cost>::new(try!(Cost::from_u256(params.gas)));
let mut stack = VecStack::with_capacity(ext.schedule().stack_limit, U256::zero());
let mut reader = CodeReader {
position: 0,
@@ -305,26 +107,27 @@ impl evm::Evm for Interpreter {
while reader.position < code.len() {
let instruction = code[reader.position];
// Calculate gas cost
let (gas_cost, mem_size) = try!(self.get_gas_cost_mem(ext, instruction, &stack));
// TODO: make compile-time removable if too much of a performance hit.
let trace_executed = ext.trace_prepare_execute(reader.position, instruction, &gas_cost);
reader.position += 1;
try!(self.verify_gas(&current_gas, &gas_cost));
let info = instructions::get_info(instruction);
try!(self.verify_instruction(ext, instruction, &info, &stack));
// Calculate gas cost
let (gas_cost, mem_size) = try!(gasometer.get_gas_cost_mem(ext, instruction, &info, &stack, self.mem.size()));
// TODO: make compile-time removable if too much of a performance hit.
let trace_executed = ext.trace_prepare_execute(reader.position - 1, instruction, &gas_cost.as_u256());
try!(gasometer.verify_gas(&gas_cost));
self.mem.expand(mem_size);
current_gas = current_gas - gas_cost; //TODO: use operator -=
gasometer.current_gas = gasometer.current_gas - gas_cost;
evm_debug!({
println!("[0x{:x}][{}(0x{:x}) Gas: {:x}\n Gas Before: {:x}",
reader.position,
color(instruction, instructions::get_info(instruction).name),
color(instruction, info.name),
instruction,
gas_cost,
current_gas + gas_cost
gasometer.current_gas + gas_cost
);
});
@@ -335,50 +138,44 @@ impl evm::Evm for Interpreter {
// Execute instruction
let result = try!(self.exec_instruction(
current_gas, &params, ext, instruction, &mut reader, &mut stack
gasometer.current_gas, &params, ext, instruction, &mut reader, &mut stack
));
if trace_executed {
ext.trace_executed(current_gas, stack.peek_top(get_info(instruction).ret), mem_written.map(|(o, s)| (o, &(self.mem[o..(o + s)]))), store_written);
ext.trace_executed(gasometer.current_gas.as_u256(), stack.peek_top(info.ret), mem_written.map(|(o, s)| (o, &(self.mem[o..(o + s)]))), store_written);
}
// Advance
match result {
InstructionResult::Ok => {},
InstructionResult::UnusedGas(gas) => {
current_gas = current_gas + gas; //TODO: use operator +=
gasometer.current_gas = gasometer.current_gas + gas;
},
InstructionResult::UseAllGas => {
current_gas = U256::zero();
gasometer.current_gas = Cost::from(0);
},
InstructionResult::GasLeft(gas_left) => {
current_gas = gas_left;
gasometer.current_gas = gas_left;
},
InstructionResult::JumpToPosition(position) => {
let pos = try!(self.verify_jump(position, &valid_jump_destinations));
reader.position = pos;
},
InstructionResult::StopExecutionNeedsReturn(gas, off, size) => {
return Ok(GasLeft::NeedsReturn(gas, self.mem.read_slice(off, size)));
return Ok(GasLeft::NeedsReturn(gas.as_u256(), self.mem.read_slice(off, size)));
},
InstructionResult::StopExecution => break,
}
}
Ok(GasLeft::Known(current_gas))
Ok(GasLeft::Known(gasometer.current_gas.as_u256()))
}
}
impl Interpreter {
#[cfg_attr(feature="dev", allow(cyclomatic_complexity))]
fn get_gas_cost_mem(
&mut self,
ext: &evm::Ext,
instruction: Instruction,
stack: &Stack<U256>
) -> evm::Result<(U256, usize)> {
impl<Cost: CostType> Interpreter<Cost> {
fn verify_instruction(&self, ext: &evm::Ext, instruction: Instruction, info: &InstructionInfo, stack: &Stack<U256>) -> evm::Result<()> {
let schedule = ext.schedule();
let info = instructions::get_info(instruction);
if !schedule.have_delegate_call && instruction == instructions::DELEGATECALL {
return Err(evm::Error::BadInstruction {
@@ -391,119 +188,20 @@ impl Interpreter {
});
}
try!(self.verify_instructions_requirements(&info, schedule.stack_limit, stack));
let tier = instructions::get_tier_idx(info.tier);
let default_gas = U256::from(schedule.tier_step_gas[tier]);
let cost = match instruction {
instructions::SSTORE => {
let address = H256::from(stack.peek(0));
let newval = stack.peek(1);
let val = U256::from(ext.storage_at(&address).as_slice());
let gas = if self.is_zero(&val) && !self.is_zero(newval) {
schedule.sstore_set_gas
} else {
// Refund for below case is added when actually executing sstore
// !self.is_zero(&val) && self.is_zero(newval)
schedule.sstore_reset_gas
};
InstructionCost::Gas(U256::from(gas))
},
instructions::SLOAD => {
InstructionCost::Gas(U256::from(schedule.sload_gas))
},
instructions::MSTORE | instructions::MLOAD => {
InstructionCost::GasMem(default_gas, try!(self.mem_needed_const(stack.peek(0), 32)))
},
instructions::MSTORE8 => {
InstructionCost::GasMem(default_gas, try!(self.mem_needed_const(stack.peek(0), 1)))
},
instructions::RETURN => {
InstructionCost::GasMem(default_gas, try!(self.mem_needed(stack.peek(0), stack.peek(1))))
},
instructions::SHA3 => {
let w = overflowing!(add_u256_usize(stack.peek(1), 31));
let words = w >> 5;
let gas = U256::from(schedule.sha3_gas) + (U256::from(schedule.sha3_word_gas) * words);
InstructionCost::GasMem(gas, try!(self.mem_needed(stack.peek(0), stack.peek(1))))
},
instructions::CALLDATACOPY | instructions::CODECOPY => {
InstructionCost::GasMemCopy(default_gas, try!(self.mem_needed(stack.peek(0), stack.peek(2))), stack.peek(2).clone())
},
instructions::EXTCODECOPY => {
InstructionCost::GasMemCopy(default_gas, try!(self.mem_needed(stack.peek(1), stack.peek(3))), stack.peek(3).clone())
},
instructions::JUMPDEST => {
InstructionCost::Gas(U256::one())
},
instructions::LOG0...instructions::LOG4 => {
let no_of_topics = instructions::get_log_topics(instruction);
let log_gas = schedule.log_gas + schedule.log_topic_gas * no_of_topics;
let data_gas = overflowing!(stack.peek(1).overflowing_mul(U256::from(schedule.log_data_gas)));
let gas = overflowing!(data_gas.overflowing_add(U256::from(log_gas)));
InstructionCost::GasMem(gas, try!(self.mem_needed(stack.peek(0), stack.peek(1))))
},
instructions::CALL | instructions::CALLCODE => {
let mut gas = overflowing!(add_u256_usize(stack.peek(0), schedule.call_gas));
let mem = cmp::max(
try!(self.mem_needed(stack.peek(5), stack.peek(6))),
try!(self.mem_needed(stack.peek(3), stack.peek(4)))
);
let address = u256_to_address(stack.peek(1));
if instruction == instructions::CALL && !ext.exists(&address) {
gas = overflowing!(gas.overflowing_add(U256::from(schedule.call_new_account_gas)));
};
if stack.peek(2).clone() > U256::zero() {
gas = overflowing!(gas.overflowing_add(U256::from(schedule.call_value_transfer_gas)));
};
InstructionCost::GasMem(gas,mem)
},
instructions::DELEGATECALL => {
let gas = overflowing!(add_u256_usize(stack.peek(0), schedule.call_gas));
let mem = cmp::max(
try!(self.mem_needed(stack.peek(4), stack.peek(5))),
try!(self.mem_needed(stack.peek(2), stack.peek(3)))
);
InstructionCost::GasMem(gas, mem)
},
instructions::CREATE => {
let gas = U256::from(schedule.create_gas);
let mem = try!(self.mem_needed(stack.peek(1), stack.peek(2)));
InstructionCost::GasMem(gas, mem)
},
instructions::EXP => {
let expon = stack.peek(1);
let bytes = ((expon.bits() + 7) / 8) as usize;
let gas = U256::from(schedule.exp_gas + schedule.exp_byte_gas * bytes);
InstructionCost::Gas(gas)
},
_ => InstructionCost::Gas(default_gas)
};
match cost {
InstructionCost::Gas(gas) => {
Ok((gas, 0))
},
InstructionCost::GasMem(gas, mem_size) => {
let (mem_gas, new_mem_size) = try!(self.mem_gas_cost(schedule, self.mem.size(), &mem_size));
let gas = overflowing!(gas.overflowing_add(mem_gas));
Ok((gas, new_mem_size))
},
InstructionCost::GasMemCopy(gas, mem_size, copy) => {
let (mem_gas, new_mem_size) = try!(self.mem_gas_cost(schedule, self.mem.size(), &mem_size));
let copy = overflowing!(add_u256_usize(&copy, 31));
let copy_gas = U256::from(schedule.copy_gas) * (copy / U256::from(32));
let gas = overflowing!(gas.overflowing_add(copy_gas));
let gas = overflowing!(gas.overflowing_add(mem_gas));
Ok((gas, new_mem_size))
}
if !stack.has(info.args) {
Err(evm::Error::StackUnderflow {
instruction: info.name,
wanted: info.args,
on_stack: stack.size()
})
} else if stack.size() - info.args + info.ret > schedule.stack_limit {
Err(evm::Error::OutOfStack {
instruction: info.name,
wanted: info.ret - info.args,
limit: schedule.stack_limit
})
} else {
Ok(())
}
}
@@ -532,53 +230,16 @@ impl Interpreter {
}
}
fn mem_gas_cost(&self, schedule: &evm::Schedule, current_mem_size: usize, mem_size: &U256) -> evm::Result<(U256, usize)> {
let gas_for_mem = |mem_size: U256| {
let s = mem_size >> 5;
// s * memory_gas + s * s / quad_coeff_div
let a = overflowing!(s.overflowing_mul(U256::from(schedule.memory_gas)));
// We need to go to U512 to calculate s*s/quad_coeff_div
let b = U512::from(s) * U512::from(s) / U512::from(schedule.quad_coeff_div);
if b > U512::from(!U256::zero()) {
Err(evm::Error::OutOfGas)
} else {
Ok(overflowing!(a.overflowing_add(U256::from(b))))
}
};
let current_mem_size = U256::from(current_mem_size);
let req_mem_size_rounded = (overflowing!(mem_size.overflowing_add(U256::from(31))) >> 5) << 5;
let new_mem_gas = try!(gas_for_mem(U256::from(req_mem_size_rounded)));
let current_mem_gas = try!(gas_for_mem(current_mem_size));
Ok((if req_mem_size_rounded > current_mem_size {
new_mem_gas - current_mem_gas
} else {
U256::zero()
}, req_mem_size_rounded.low_u64() as usize))
}
fn mem_needed_const(&self, mem: &U256, add: usize) -> evm::Result<U256> {
Ok(overflowing!(mem.overflowing_add(U256::from(add))))
}
fn mem_needed(&self, offset: &U256, size: &U256) -> evm::Result<U256> {
if self.is_zero(size) {
return Ok(U256::zero());
}
Ok(overflowing!(offset.overflowing_add(size.clone())))
}
#[cfg_attr(feature="dev", allow(too_many_arguments))]
fn exec_instruction(
&mut self,
gas: Gas,
gas: Cost,
params: &ActionParams,
ext: &mut evm::Ext,
instruction: Instruction,
code: &mut CodeReader,
stack: &mut Stack<U256>
) -> evm::Result<InstructionResult> {
) -> evm::Result<InstructionResult<Cost>> {
match instruction {
instructions::JUMP => {
let jump = stack.pop_back();
@@ -611,11 +272,11 @@ impl Interpreter {
return Ok(InstructionResult::Ok);
}
let create_result = ext.create(&gas, &endowment, &contract_code);
let create_result = ext.create(&gas.as_u256(), &endowment, &contract_code);
return match create_result {
ContractCreateResult::Created(address, gas_left) => {
stack.push(address_to_u256(address));
Ok(InstructionResult::GasLeft(gas_left))
Ok(InstructionResult::GasLeft(Cost::from_u256(gas_left).expect("Gas left cannot be greater.")))
},
ContractCreateResult::Failed => {
stack.push(U256::zero());
@@ -626,7 +287,7 @@ impl Interpreter {
},
instructions::CALL | instructions::CALLCODE | instructions::DELEGATECALL => {
assert!(ext.schedule().call_value_transfer_gas > ext.schedule().call_stipend, "overflow possible");
let call_gas = stack.pop_back();
let call_gas = Cost::from_u256(stack.pop_back()).expect("Gas is already validated.");
let code_address = stack.pop_back();
let code_address = u256_to_address(&code_address);
@@ -642,9 +303,9 @@ impl Interpreter {
let out_size = stack.pop_back();
// Add stipend (only CALL|CALLCODE when value > 0)
let call_gas = call_gas + value.map_or_else(U256::zero, |val| match val > U256::zero() {
true => U256::from(ext.schedule().call_stipend),
false => U256::zero()
let call_gas = call_gas + value.map_or_else(|| Cost::from(0), |val| match val > U256::zero() {
true => Cost::from(ext.schedule().call_stipend),
false => Cost::from(0)
});
// Get sender & receive addresses, check if we have balance
@@ -672,13 +333,13 @@ impl Interpreter {
// and we don't want to copy
let input = unsafe { ::std::mem::transmute(self.mem.read_slice(in_off, in_size)) };
let output = self.mem.writeable_slice(out_off, out_size);
ext.call(&call_gas, sender_address, receive_address, value, input, &code_address, output)
ext.call(&call_gas.as_u256(), sender_address, receive_address, value, input, &code_address, output)
};
return match call_result {
MessageCallResult::Success(gas_left) => {
stack.push(U256::one());
Ok(InstructionResult::UnusedGas(gas_left))
Ok(InstructionResult::UnusedGas(Cost::from_u256(gas_left).expect("Gas left cannot be greater then current one")))
},
MessageCallResult::Failed => {
stack.push(U256::zero());
@@ -759,7 +420,7 @@ impl Interpreter {
stack.push(U256::from(code.position - 1));
},
instructions::GAS => {
stack.push(gas.clone());
stack.push(gas.as_u256());
},
instructions::ADDRESS => {
stack.push(address_to_u256(params.address.clone()));
@@ -876,36 +537,6 @@ impl Interpreter {
}
}
fn verify_instructions_requirements(
&self,
info: &instructions::InstructionInfo,
stack_limit: usize,
stack: &Stack<U256>
) -> evm::Result<()> {
if !stack.has(info.args) {
Err(evm::Error::StackUnderflow {
instruction: info.name,
wanted: info.args,
on_stack: stack.size()
})
} else if stack.size() - info.args + info.ret > stack_limit {
Err(evm::Error::OutOfStack {
instruction: info.name,
wanted: info.ret - info.args,
limit: stack_limit
})
} else {
Ok(())
}
}
fn verify_gas(&self, current_gas: &U256, gas_cost: &U256) -> evm::Result<()> {
match current_gas < gas_cost {
true => Err(evm::Error::OutOfGas),
false => Ok(())
}
}
fn verify_jump(&self, jump_u: U256, valid_jump_destinations: &HashSet<usize>) -> evm::Result<usize> {
let jump = jump_u.low_u64() as usize;
@@ -1163,11 +794,6 @@ fn set_sign(value: U256, sign: bool) -> U256 {
}
}
#[inline]
fn add_u256_usize(value: &U256, num: usize) -> (U256, bool) {
value.clone().overflowing_add(U256::from(num))
}
#[inline]
fn u256_to_address(value: &U256) -> Address {
Address::from(H256::from(value))
@@ -1179,82 +805,14 @@ fn address_to_u256(value: Address) -> U256 {
}
#[test]
fn test_mem_gas_cost() {
fn test_find_jump_destinations() {
// given
let interpreter = Interpreter::default();
let schedule = evm::Schedule::default();
let current_mem_size = 5;
let mem_size = !U256::zero();
let interpreter = Interpreter::<U256>::default();
let code = "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff5b01600055".from_hex().unwrap();
// when
let result = interpreter.mem_gas_cost(&schedule, current_mem_size, &mem_size);
let valid_jump_destinations = interpreter.find_jump_destinations(&code);
// then
if let Ok(_) = result {
assert!(false, "Should fail with OutOfGas");
}
}
#[cfg(test)]
mod tests {
use common::*;
use super::*;
use evm;
#[test]
fn test_find_jump_destinations() {
// given
let interpreter = Interpreter::default();
let code = "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff5b01600055".from_hex().unwrap();
// when
let valid_jump_destinations = interpreter.find_jump_destinations(&code);
// then
assert!(valid_jump_destinations.contains(&66));
}
#[test]
fn test_calculate_mem_cost() {
// given
let interpreter = Interpreter::default();
let schedule = evm::Schedule::default();
let current_mem_size = 0;
let mem_size = U256::from(5);
// when
let (mem_cost, mem_size) = interpreter.mem_gas_cost(&schedule, current_mem_size, &mem_size).unwrap();
// then
assert_eq!(mem_cost, U256::from(3));
assert_eq!(mem_size, 32);
}
#[test]
fn test_memory_read_and_write() {
// given
let mem: &mut super::Memory = &mut vec![];
mem.resize(0x80 + 32);
// when
mem.write(U256::from(0x80), U256::from(0xabcdef));
// then
assert_eq!(mem.read(U256::from(0x80)), U256::from(0xabcdef));
}
#[test]
fn test_memory_read_and_write_byte() {
// given
let mem: &mut super::Memory = &mut vec![];
mem.resize(32);
// when
mem.write_byte(U256::from(0x1d), U256::from(0xab));
mem.write_byte(U256::from(0x1e), U256::from(0xcd));
mem.write_byte(U256::from(0x1f), U256::from(0xef));
// then
assert_eq!(mem.read(U256::from(0x00)), U256::from(0xabcdef));
}
assert!(valid_jump_destinations.contains(&66));
}

106
ethcore/src/evm/interpreter/stack.rs Normal file
View File

@@ -0,0 +1,106 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::fmt;
use evm::instructions;
/// Stack trait with VM-friendly API
pub trait Stack<T> {
/// Returns `Stack[len(Stack) - no_from_top]`
fn peek(&self, no_from_top: usize) -> &T;
/// Swaps Stack[len(Stack)] and Stack[len(Stack) - no_from_top]
fn swap_with_top(&mut self, no_from_top: usize);
/// Returns true if Stack has at least `no_of_elems` elements
fn has(&self, no_of_elems: usize) -> bool;
/// Get element from top and remove it from Stack. Panics if stack is empty.
fn pop_back(&mut self) -> T;
/// Get (up to `instructions::MAX_NO_OF_TOPICS`) elements from top and remove them from Stack. Panics if stack is empty.
fn pop_n(&mut self, no_of_elems: usize) -> &[T];
/// Add element on top of the Stack
fn push(&mut self, elem: T);
/// Get number of elements on Stack
fn size(&self) -> usize;
/// Returns all data on stack.
fn peek_top(&mut self, no_of_elems: usize) -> &[T];
}
pub struct VecStack<S> {
stack: Vec<S>,
logs: [S; instructions::MAX_NO_OF_TOPICS]
}
impl<S : Copy> VecStack<S> {
pub fn with_capacity(capacity: usize, zero: S) -> Self {
VecStack {
stack: Vec::with_capacity(capacity),
logs: [zero; instructions::MAX_NO_OF_TOPICS]
}
}
}
impl<S : fmt::Display> Stack<S> for VecStack<S> {
fn peek(&self, no_from_top: usize) -> &S {
&self.stack[self.stack.len() - no_from_top - 1]
}
fn swap_with_top(&mut self, no_from_top: usize) {
let len = self.stack.len();
self.stack.swap(len - no_from_top - 1, len - 1);
}
fn has(&self, no_of_elems: usize) -> bool {
self.stack.len() >= no_of_elems
}
fn pop_back(&mut self) -> S {
let val = self.stack.pop();
match val {
Some(x) => {
evm_debug!({
println!(" POP: {}", x)
});
x
},
None => panic!("Tried to pop from empty stack.")
}
}
fn pop_n(&mut self, no_of_elems: usize) -> &[S] {
assert!(no_of_elems <= instructions::MAX_NO_OF_TOPICS);
for i in 0..no_of_elems {
self.logs[i] = self.pop_back();
}
&self.logs[0..no_of_elems]
}
fn push(&mut self, elem: S) {
evm_debug!({
println!(" PUSH: {}", elem)
});
self.stack.push(elem);
}
fn size(&self) -> usize {
self.stack.len()
}
fn peek_top(&mut self, no_from_top: usize) -> &[S] {
assert!(self.stack.len() >= no_from_top, "peek_top asked for more items than exist.");
&self.stack[self.stack.len() - no_from_top .. self.stack.len()]
}
}

4
ethcore/src/evm/mod.rs
View File

@@ -28,8 +28,10 @@ mod jit;
#[cfg(test)]
mod tests;
#[cfg(all(feature="benches", test))]
mod benches;
pub use self::evm::{Evm, Error, Finalize, GasLeft, Result};
pub use self::evm::{Evm, Error, Finalize, GasLeft, Result, CostType};
pub use self::ext::{Ext, ContractCreateResult, MessageCallResult};
pub use self::factory::{Factory, VMType};
pub use self::schedule::Schedule;

80
ethcore/src/evm/tests.rs
View File

@@ -18,18 +18,18 @@ use common::*;
use evm::{self, Ext, Schedule, Factory, GasLeft, VMType, ContractCreateResult, MessageCallResult};
use std::fmt::Debug;
struct FakeLogEntry {
pub struct FakeLogEntry {
topics: Vec<H256>,
data: Bytes
}
#[derive(PartialEq, Eq, Hash, Debug)]
enum FakeCallType {
pub enum FakeCallType {
Call, Create
}
#[derive(PartialEq, Eq, Hash, Debug)]
struct FakeCall {
pub struct FakeCall {
call_type: FakeCallType,
gas: U256,
sender_address: Option<Address>,
@@ -43,7 +43,7 @@ struct FakeCall {
///
/// Can't do recursive calls.
#[derive(Default)]
struct FakeExt {
pub struct FakeExt {
sstore_clears: usize,
depth: usize,
store: HashMap<H256, H256>,
@@ -67,7 +67,7 @@ fn test_finalize(res: Result<GasLeft, evm::Error>) -> Result<U256, evm::Error> {
}
impl FakeExt {
fn new() -> Self {
pub fn new() -> Self {
FakeExt::default()
}
}
@@ -181,7 +181,7 @@ fn test_stack_underflow() {
let mut ext = FakeExt::new();
let err = {
let mut vm : Box<evm::Evm> = Box::new(super::interpreter::Interpreter::default());
let mut vm : Box<evm::Evm> = Box::new(super::interpreter::Interpreter::<usize>::default());
test_finalize(vm.exec(params, &mut ext)).unwrap_err()
};
@@ -208,7 +208,7 @@ fn test_add(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -228,7 +228,7 @@ fn test_sha3(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -248,7 +248,7 @@ fn test_address(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -270,7 +270,7 @@ fn test_origin(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -292,7 +292,7 @@ fn test_sender(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -327,7 +327,7 @@ fn test_extcodecopy(factory: super::Factory) {
ext.codes.insert(sender, sender_code);
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -347,7 +347,7 @@ fn test_log_empty(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -379,7 +379,7 @@ fn test_log_sender(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -404,7 +404,7 @@ fn test_blockhash(factory: super::Factory) {
ext.blockhashes.insert(U256::zero(), blockhash.clone());
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -426,7 +426,7 @@ fn test_calldataload(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -447,7 +447,7 @@ fn test_author(factory: super::Factory) {
ext.info.author = author;
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -467,7 +467,7 @@ fn test_timestamp(factory: super::Factory) {
ext.info.timestamp = timestamp;
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -487,7 +487,7 @@ fn test_number(factory: super::Factory) {
ext.info.number = number;
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -507,7 +507,7 @@ fn test_difficulty(factory: super::Factory) {
ext.info.difficulty = difficulty;
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -527,7 +527,7 @@ fn test_gas_limit(factory: super::Factory) {
ext.info.gas_limit = gas_limit;
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -545,7 +545,7 @@ fn test_mul(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -563,7 +563,7 @@ fn test_sub(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -581,7 +581,7 @@ fn test_div(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -599,7 +599,7 @@ fn test_div_zero(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -617,7 +617,7 @@ fn test_mod(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -636,7 +636,7 @@ fn test_smod(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -655,7 +655,7 @@ fn test_sdiv(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -674,7 +674,7 @@ fn test_exp(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -694,7 +694,7 @@ fn test_comparison(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -715,7 +715,7 @@ fn test_signed_comparison(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -736,7 +736,7 @@ fn test_bitops(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -759,7 +759,7 @@ fn test_addmod_mulmod(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -780,7 +780,7 @@ fn test_byte(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -799,7 +799,7 @@ fn test_signextend(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -819,7 +819,7 @@ fn test_badinstruction_int() {
let mut ext = FakeExt::new();
let err = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap_err()
};
@@ -839,7 +839,7 @@ fn test_pop(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -859,7 +859,7 @@ fn test_extops(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -882,7 +882,7 @@ fn test_jumps(factory: super::Factory) {
let mut ext = FakeExt::new();
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};
@@ -911,7 +911,7 @@ fn test_calls(factory: super::Factory) {
};
let gas_left = {
let mut vm = factory.create();
let mut vm = factory.create(params.gas);
test_finalize(vm.exec(params, &mut ext)).unwrap()
};

4
ethcore/src/executive.rs
View File

@@ -211,7 +211,7 @@ impl<'a> Executive<'a> {
let vm_factory = self.vm_factory;
let mut ext = self.as_externalities(OriginInfo::from(&params), unconfirmed_substate, output_policy, tracer, vm_tracer);
trace!(target: "executive", "ext.schedule.have_delegate_call: {}", ext.schedule().have_delegate_call);
return vm_factory.create().exec(params, &mut ext).finalize(ext);
return vm_factory.create(params.gas).exec(params, &mut ext).finalize(ext);
}
// Start in new thread to reset stack
@@ -222,7 +222,7 @@ impl<'a> Executive<'a> {
let mut ext = self.as_externalities(OriginInfo::from(&params), unconfirmed_substate, output_policy, tracer, vm_tracer);
scope.spawn(move || {
vm_factory.create().exec(params, &mut ext).finalize(ext)
vm_factory.create(params.gas).exec(params, &mut ext).finalize(ext)
})
}).join()
}

1
ethcore/src/externalities.rs
View File

@@ -319,7 +319,6 @@ mod tests {
last_hashes: vec![],
gas_used: 0.into(),
gas_limit: 0.into(),
dao_rescue_block_gas_limit: None,
}
}

10
ethcore/src/header.rs
View File

@@ -92,10 +92,10 @@ impl PartialEq for Header {
impl Default for Header {
fn default() -> Self {
Header {
parent_hash: ZERO_H256.clone(),
parent_hash: H256::default(),
timestamp: 0,
number: 0,
author: ZERO_ADDRESS.clone(),
author: Address::default(),
transactions_root: SHA3_NULL_RLP,
uncles_hash: SHA3_EMPTY_LIST_RLP,
@@ -104,10 +104,10 @@ impl Default for Header {
state_root: SHA3_NULL_RLP,
receipts_root: SHA3_NULL_RLP,
log_bloom: ZERO_LOGBLOOM.clone(),
gas_used: ZERO_U256,
gas_limit: ZERO_U256,
gas_used: U256::default(),
gas_limit: U256::default(),
difficulty: ZERO_U256,
difficulty: U256::default(),
seal: vec![],
hash: RefCell::new(None),
bare_hash: RefCell::new(None),

2
ethcore/src/json_tests/executive.rs
View File

@@ -208,7 +208,7 @@ fn do_json_test_for(vm_type: &VMType, json_data: &[u8]) -> Vec<String> {
&mut tracer,
&mut vm_tracer,
);
let mut evm = vm_factory.create();
let mut evm = vm_factory.create(params.gas);
let res = evm.exec(params, &mut ex);
// a return in finalize will not alter callcreates
let callcreates = ex.callcreates.clone();

1
ethcore/src/json_tests/mod.rs
View File

@@ -23,3 +23,4 @@ mod state;
mod chain;
mod homestead_state;
mod homestead_chain;
mod trie;

69
ethcore/src/json_tests/trie.rs Normal file
View File

@@ -0,0 +1,69 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use ethjson;
use util::{H256, MemoryDB, TrieMut, TrieSpec, TrieFactory};
fn test_trie(json: &[u8], trie: TrieSpec) -> Vec<String> {
let tests = ethjson::trie::Test::load(json).unwrap();
let factory = TrieFactory::new(trie);
let mut result = vec![];
for (name, test) in tests.into_iter() {
let mut memdb = MemoryDB::new();
let mut root = H256::default();
let mut t = factory.create(&mut memdb, &mut root);
for (key, value) in test.input.data.into_iter() {
let key: Vec<u8> = key.into();
let value: Vec<u8> = value.map_or_else(Vec::new, Into::into);
t.insert(&key, &value);
}
if *t.root() != test.root.into() {
result.push(format!("Trie test '{:?}' failed.", name));
}
}
for i in &result {
println!("FAILED: {}", i);
}
result
}
mod generic {
use util::TrieSpec;
fn do_json_test(json: &[u8]) -> Vec<String> {
super::test_trie(json, TrieSpec::Generic)
}
declare_test!{TrieTests_trietest, "TrieTests/trietest"}
declare_test!{TrieTests_trieanyorder, "TrieTests/trieanyorder"}
}
mod secure {
use util::TrieSpec;
fn do_json_test(json: &[u8]) -> Vec<String> {
super::test_trie(json, TrieSpec::Secure)
}
declare_test!{TrieTests_hex_encoded_secure, "TrieTests/hex_encoded_securetrie_test"}
declare_test!{TrieTests_trietest_secure, "TrieTests/trietest_secureTrie"}
declare_test!{TrieTests_trieanyorder_secure, "TrieTests/trieanyorder_secureTrie"}
}

1
ethcore/src/lib.rs
View File

@@ -31,6 +31,7 @@
#![cfg_attr(feature="dev", allow(needless_borrow))]
#![cfg_attr(feature="dev", allow(assign_op_pattern))]
#![cfg_attr(feature="benches", feature(test))]
//! Ethcore library
//!

4
ethcore/src/migrations/extras/v6.rs
View File

@@ -1,4 +1,4 @@
use util::migration::Migration;
use util::migration::SimpleMigration;
/// This migration reduces the sizes of keys and moves `ExtrasIndex` byte from back to the front.
pub struct ToV6;
@@ -17,7 +17,7 @@ impl ToV6 {
}
}
impl Migration for ToV6 {
impl SimpleMigration for ToV6 {
fn version(&self) -> u32 {
6
}

74
ethcore/src/miner/miner.rs
View File

@@ -19,7 +19,7 @@ use std::sync::atomic::AtomicBool;
use std::time::{Instant, Duration};
use util::*;
use util::Colour::White;
use util::using_queue::{UsingQueue, GetAction};
use account_provider::AccountProvider;
use views::{BlockView, HeaderView};
use client::{MiningBlockChainClient, Executive, Executed, EnvInfo, TransactOptions, BlockID, CallAnalytics};
@@ -200,17 +200,23 @@ impl Miner {
let hash = tx.hash();
match open_block.push_transaction(tx, None) {
Err(Error::Execution(ExecutionError::BlockGasLimitReached { gas_limit, gas_used, .. })) => {
trace!(target: "miner", "Skipping adding transaction to block because of gas limit: {:?}", hash);
debug!(target: "miner", "Skipping adding transaction to block because of gas limit: {:?}", hash);
// Exit early if gas left is smaller then min_tx_gas
let min_tx_gas: U256 = 21000.into(); // TODO: figure this out properly.
if gas_limit - gas_used < min_tx_gas {
break;
}
},
Err(Error::Transaction(TransactionError::AlreadyImported)) => {} // already have transaction - ignore
// Invalid nonce error can happen only if previous transaction is skipped because of gas limit.
// If there is errornous state of transaction queue it will be fixed when next block is imported.
Err(Error::Execution(ExecutionError::InvalidNonce { .. })) => {
debug!(target: "miner", "Skipping adding transaction to block because of invalid nonce: {:?}", hash);
},
// already have transaction - ignore
Err(Error::Transaction(TransactionError::AlreadyImported)) => {},
Err(e) => {
invalid_transactions.insert(hash);
trace!(target: "miner",
debug!(target: "miner",
"Error adding transaction to block: number={}. transaction_hash={:?}, Error: {:?}",
block_number, hash, e);
},
@@ -309,6 +315,19 @@ impl Miner {
!have_work
}
fn add_transactions_to_queue(&self, chain: &MiningBlockChainClient, transactions: Vec<SignedTransaction>, origin: TransactionOrigin, transaction_queue: &mut TransactionQueue) ->
Vec<Result<TransactionImportResult, Error>> {
let fetch_account = |a: &Address| AccountDetails {
nonce: chain.latest_nonce(a),
balance: chain.latest_balance(a),
};
transactions.into_iter()
.map(|tx| transaction_queue.add(tx, &fetch_account, origin))
.collect()
}
/// Are we allowed to do a non-mandatory reseal?
fn tx_reseal_allowed(&self) -> bool { Instant::now() > *self.next_allowed_reseal.lock().unwrap() }
}
@@ -349,7 +368,6 @@ impl MinerService for Miner {
last_hashes: last_hashes,
gas_used: U256::zero(),
gas_limit: U256::max_value(),
dao_rescue_block_gas_limit: chain.dao_rescue_block_gas_limit(header.parent_hash().clone()),
};
// that's just a copy of the state.
let mut state = block.state().clone();
@@ -472,27 +490,24 @@ impl MinerService for Miner {
self.gas_range_target.read().unwrap().1
}
fn import_transactions<T>(&self, chain: &MiningBlockChainClient, transactions: Vec<SignedTransaction>, fetch_account: T) ->
Vec<Result<TransactionImportResult, Error>>
where T: Fn(&Address) -> AccountDetails {
let results: Vec<Result<TransactionImportResult, Error>> = {
let mut transaction_queue = self.transaction_queue.lock().unwrap();
transactions.into_iter()
.map(|tx| transaction_queue.add(tx, &fetch_account, TransactionOrigin::External))
.collect()
};
if !results.is_empty() && self.options.reseal_on_external_tx && self.tx_reseal_allowed() {
fn import_external_transactions(&self, chain: &MiningBlockChainClient, transactions: Vec<SignedTransaction>) ->
Vec<Result<TransactionImportResult, Error>> {
let mut transaction_queue = self.transaction_queue.lock().unwrap();
let results = self.add_transactions_to_queue(chain, transactions, TransactionOrigin::External,
&mut transaction_queue);
if !results.is_empty() && self.options.reseal_on_external_tx && self.tx_reseal_allowed() {
self.update_sealing(chain);
}
results
}
fn import_own_transaction<T>(
fn import_own_transaction(
&self,
chain: &MiningBlockChainClient,
transaction: SignedTransaction,
fetch_account: T
) -> Result<TransactionImportResult, Error> where T: Fn(&Address) -> AccountDetails {
) -> Result<TransactionImportResult, Error> {
let hash = transaction.hash();
trace!(target: "own_tx", "Importing transaction: {:?}", transaction);
@@ -500,7 +515,7 @@ impl MinerService for Miner {
let imported = {
// Be sure to release the lock before we call enable_and_prepare_sealing
let mut transaction_queue = self.transaction_queue.lock().unwrap();
let import = transaction_queue.add(transaction, &fetch_account, TransactionOrigin::Local);
let import = self.add_transactions_to_queue(chain, vec![transaction], TransactionOrigin::Local, &mut transaction_queue).pop().unwrap();
match import {
Ok(ref res) => {
@@ -639,7 +654,7 @@ impl MinerService for Miner {
let n = sealed.header().number();
let h = sealed.header().hash();
try!(chain.import_sealed_block(sealed));
info!(target: "miner", "Mined block imported OK. #{}: {}", paint(White.bold(), format!("{}", n)), paint(White.bold(), h.hex()));
info!(target: "miner", "Mined block imported OK. #{}: {}", format!("{}", n).apply(Colour::White.bold()), h.hex().apply(Colour::White.bold()));
Ok(())
})
}
@@ -651,7 +666,12 @@ impl MinerService for Miner {
// Client should send message after commit to db and inserting to chain.
.expect("Expected in-chain blocks.");
let block = BlockView::new(&block);
block.transactions()
let txs = block.transactions();
// populate sender
for tx in &txs {
let _sender = tx.sender();
}
txs
}
// 1. We ignore blocks that were `imported` (because it means that they are not in canon-chain, and transactions
@@ -668,14 +688,10 @@ impl MinerService for Miner {
.par_iter()
.map(|h| fetch_transactions(chain, h));
out_of_chain.for_each(|txs| {
// populate sender
for tx in &txs {
let _sender = tx.sender();
}
let _ = self.import_transactions(chain, txs, |a| AccountDetails {
nonce: chain.latest_nonce(a),
balance: chain.latest_balance(a),
});
let mut transaction_queue = self.transaction_queue.lock().unwrap();
let _ = self.add_transactions_to_queue(
chain, txs, TransactionOrigin::External, &mut transaction_queue
);
});
}

12
ethcore/src/miner/mod.rs
View File

@@ -33,7 +33,7 @@
//! use ethcore::miner::{Miner, MinerService};
//!
//! fn main() {
//! let miner: Miner = Miner::with_spec(ethereum::new_frontier(true));
//! let miner: Miner = Miner::with_spec(ethereum::new_frontier());
//! // get status
//! assert_eq!(miner.status().transactions_in_pending_queue, 0);
//!
@@ -107,14 +107,12 @@ pub trait MinerService : Send + Sync {
fn set_tx_gas_limit(&self, limit: U256);
/// Imports transactions to transaction queue.
fn import_transactions<T>(&self, chain: &MiningBlockChainClient, transactions: Vec<SignedTransaction>, fetch_account: T) ->
Vec<Result<TransactionImportResult, Error>>
where T: Fn(&Address) -> AccountDetails, Self: Sized;
fn import_external_transactions(&self, chain: &MiningBlockChainClient, transactions: Vec<SignedTransaction>) ->
Vec<Result<TransactionImportResult, Error>>;
/// Imports own (node owner) transaction to queue.
fn import_own_transaction<T>(&self, chain: &MiningBlockChainClient, transaction: SignedTransaction, fetch_account: T) ->
Result<TransactionImportResult, Error>
where T: Fn(&Address) -> AccountDetails, Self: Sized;
fn import_own_transaction(&self, chain: &MiningBlockChainClient, transaction: SignedTransaction) ->
Result<TransactionImportResult, Error>;
/// Returns hashes of transactions currently in pending
fn pending_transactions_hashes(&self) -> Vec<H256>;

20
ethcore/src/miner/transaction_queue.rs
View File

@@ -87,7 +87,7 @@ use std::cmp;
use std::collections::{HashMap, BTreeSet};
use util::numbers::{Uint, U256};
use util::hash::{Address, H256};
use util::table::*;
use util::table::Table;
use transaction::*;
use error::{Error, TransactionError};
use client::TransactionImportResult;
@@ -432,10 +432,10 @@ impl TransactionQueue {
pub fn add<T>(&mut self, tx: SignedTransaction, fetch_account: &T, origin: TransactionOrigin) -> Result<TransactionImportResult, Error>
where T: Fn(&Address) -> AccountDetails {
trace!(target: "miner", "Importing: {:?}", tx.hash());
trace!(target: "txqueue", "Importing: {:?}", tx.hash());
if tx.gas_price < self.minimal_gas_price && origin != TransactionOrigin::Local {
trace!(target: "miner",
trace!(target: "txqueue",
"Dropping transaction below minimal gas price threshold: {:?} (gp: {} < {})",
tx.hash(),
tx.gas_price,
@@ -451,7 +451,7 @@ impl TransactionQueue {
try!(tx.check_low_s());
if tx.gas > self.gas_limit || tx.gas > self.tx_gas_limit {
trace!(target: "miner",
trace!(target: "txqueue",
"Dropping transaction above gas limit: {:?} ({} > min({}, {}))",
tx.hash(),
tx.gas,
@@ -470,7 +470,7 @@ impl TransactionQueue {
let cost = vtx.transaction.value + vtx.transaction.gas_price * vtx.transaction.gas;
if client_account.balance < cost {
trace!(target: "miner",
trace!(target: "txqueue",
"Dropping transaction without sufficient balance: {:?} ({} < {})",
vtx.hash(),
client_account.balance,
@@ -558,7 +558,7 @@ impl TransactionQueue {
if k >= current_nonce {
self.future.insert(*sender, k, order.update_height(k, current_nonce));
} else {
trace!(target: "miner", "Removing old transaction: {:?} (nonce: {} < {})", order.hash, k, current_nonce);
trace!(target: "txqueue", "Removing old transaction: {:?} (nonce: {} < {})", order.hash, k, current_nonce);
// Remove the transaction completely
self.by_hash.remove(&order.hash).expect("All transactions in `future` are also in `by_hash`");
}
@@ -579,7 +579,7 @@ impl TransactionQueue {
if k >= current_nonce {
self.future.insert(*sender, k, order.update_height(k, current_nonce));
} else {
trace!(target: "miner", "Removing old transaction: {:?} (nonce: {} < {})", order.hash, k, current_nonce);
trace!(target: "txqueue", "Removing old transaction: {:?} (nonce: {} < {})", order.hash, k, current_nonce);
self.by_hash.remove(&order.hash).expect("All transactions in `future` are also in `by_hash`");
}
}
@@ -667,7 +667,7 @@ impl TransactionQueue {
if self.by_hash.get(&tx.hash()).is_some() {
// Transaction is already imported.
trace!(target: "miner", "Dropping already imported transaction: {:?}", tx.hash());
trace!(target: "txqueue", "Dropping already imported transaction: {:?}", tx.hash());
return Err(TransactionError::AlreadyImported);
}
@@ -684,7 +684,7 @@ impl TransactionQueue {
// nonce height would result in overflow.
if nonce < state_nonce {
// Droping transaction
trace!(target: "miner", "Dropping old transaction: {:?} (nonce: {} < {})", tx.hash(), nonce, next_nonce);
trace!(target: "txqueue", "Dropping old transaction: {:?} (nonce: {} < {})", tx.hash(), nonce, next_nonce);
return Err(TransactionError::Old);
} else if nonce > next_nonce {
// We have a gap - put to future.
@@ -720,7 +720,7 @@ impl TransactionQueue {
// Trigger error if the transaction we are importing was removed.
try!(check_if_removed(&address, &nonce, removed));
trace!(target: "miner", "status: {:?}", self.status());
trace!(target: "txqueue", "status: {:?}", self.status());
Ok(TransactionImportResult::Current)
}

21
ethcore/src/service.rs
View File

@@ -17,7 +17,6 @@
//! Creates and registers client and network services.
use util::*;
use util::Colour::{Yellow, White};
use util::panics::*;
use spec::Spec;
use error::*;
@@ -72,7 +71,7 @@ impl ClientService {
try!(net_service.start());
}
info!("Configured for {} using {} engine", paint(White.bold(), spec.name.clone()), paint(Yellow.bold(), spec.engine.name().to_owned()));
info!("Configured for {} using {} engine", spec.name.clone().apply(Colour::White.bold()), spec.engine.name().apply(Colour::Yellow.bold()));
let client = try!(Client::new(config, spec, db_path, miner, net_service.io().channel()));
panic_handler.forward_from(client.deref());
let client_io = Arc::new(ClientIoHandler {
@@ -135,16 +134,14 @@ impl IoHandler<NetSyncMessage> for ClientIoHandler {
#[cfg_attr(feature="dev", allow(single_match))]
fn message(&self, io: &IoContext<NetSyncMessage>, net_message: &NetSyncMessage) {
if let UserMessage(ref message) = *net_message {
match *message {
SyncMessage::BlockVerified => {
self.client.import_verified_blocks(&io.channel());
},
SyncMessage::NewTransactions(ref transactions) => {
self.client.import_queued_transactions(&transactions);
},
_ => {}, // ignore other messages
}
match *net_message {
UserMessage(ref message) => match *message {
SyncMessage::BlockVerified => { self.client.import_verified_blocks(&io.channel()); }
SyncMessage::NewTransactions(ref transactions) => { self.client.import_queued_transactions(&transactions); }
_ => {} // ignore other messages
},
NetworkIoMessage::NetworkStarted(ref url) => { self.client.network_started(url); }
_ => {} // ignore other messages
}
}
}

1
ethcore/src/tests/helpers.rs
View File

@@ -180,7 +180,6 @@ pub fn generate_dummy_client_with_spec_and_data<F>(get_test_spec: F, block_numbe
db,
&last_header,
last_hashes.clone(),
None,
author.clone(),
(3141562.into(), 31415620.into()),
vec![]