Newer
Older
fn block_total_difficulty(&self, id: BlockId) -> Option<U256> {
if let BlockId::Pending = id {
if let Some(block) = self.miner.pending_block() {
return Some(*block.header.difficulty() + self.block_total_difficulty(BlockId::Latest).expect("blocks in chain have details; qed"));
let chain = self.chain.read();
Self::block_hash(&chain, id).and_then(|hash| 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 storage_root(&self, address: &Address, id: BlockId) -> Option<H256> {
self.state_at(id).and_then(|s| s.storage_root(address))
}
fn block_hash(&self, id: BlockId) -> Option<H256> {
let chain = self.chain.read();
Self::block_hash(&chain, id)
Marek Kotewicz
committed
}
fn code(&self, address: &Address, id: BlockId) -> Option<Option<Bytes>> {
self.state_at(id).map(|s| s.code(address).map(|c| (*c).clone()))
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 list_accounts(&self, id: BlockId, after: Option<&Address>, count: u64) -> Option<Vec<Address>> {
if !self.factories.trie.is_fat() {
trace!(target: "fatdb", "list_accounts: Not a fat DB");
return None;
}
let state = match self.state_at(id) {
Some(state) => state,
_ => return None,
};
let (root, db) = state.drop();
let trie = match self.factories.trie.readonly(db.as_hashdb(), &root) {
Ok(trie) => trie,
_ => {
trace!(target: "fatdb", "list_accounts: Couldn't open the DB");
return None;
}
};
Ok(iter) => iter,
_ => return None,
};
if let Some(after) = after {
if let Err(e) = iter.seek(after) {
trace!(target: "fatdb", "list_accounts: Couldn't seek the DB: {:?}", e);
}
}
let accounts = iter.filter_map(|item| {
item.ok().map(|(addr, _)| Address::from_slice(&addr))
Some(accounts)
}
fn list_storage(&self, id: BlockId, account: &Address, after: Option<&H256>, count: u64) -> Option<Vec<H256>> {
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
if !self.factories.trie.is_fat() {
trace!(target: "fatdb", "list_stroage: Not a fat DB");
return None;
}
let state = match self.state_at(id) {
Some(state) => state,
_ => return None,
};
let root = match state.storage_root(account) {
Some(root) => root,
_ => return None,
};
let (_, db) = state.drop();
let account_db = self.factories.accountdb.readonly(db.as_hashdb(), account.sha3());
let trie = match self.factories.trie.readonly(account_db.as_hashdb(), &root) {
Ok(trie) => trie,
_ => {
trace!(target: "fatdb", "list_storage: Couldn't open the DB");
return None;
}
};
let mut iter = match trie.iter() {
Ok(iter) => iter,
_ => return None,
};
if let Some(after) = after {
if let Err(e) = iter.seek(after) {
trace!(target: "fatdb", "list_accounts: Couldn't seek the DB: {:?}", e);
}
}
let keys = iter.filter_map(|item| {
item.ok().map(|(key, _)| H256::from_slice(&key))
}).take(count as usize).collect();
Some(keys)
}
fn transaction(&self, id: TransactionId) -> Option<LocalizedTransaction> {
self.transaction_address(id).and_then(|address| self.chain.read().transaction(&address))
fn transaction_block(&self, id: TransactionId) -> Option<H256> {
self.transaction_address(id).map(|addr| addr.block_hash)
}
fn uncle(&self, id: UncleId) -> Option<encoded::Header> {
self.block_body(id.block).and_then(|body| body.view().uncle_rlp_at(index))
.map(encoded::Header::new)
fn transaction_receipt(&self, id: TransactionId) -> Option<LocalizedReceipt> {
self.transaction_address(id)
.and_then(|address| chain.block_number(&address.block_hash).and_then(|block_number| {
let transaction = chain.block_body(&address.block_hash)
.and_then(|body| body.view().localized_transaction_at(&address.block_hash, block_number, address.index));
let previous_receipts = (0..address.index + 1)
.map(|index| {
let mut address = address.clone();
address.index = index;
chain.transaction_receipt(&address)
.collect();
match (transaction, previous_receipts) {
(Some(transaction), Some(previous_receipts)) => {
Some(transaction_receipt(transaction, previous_receipts))
},
_ => None,
}
}))
fn tree_route(&self, from: &H256, to: &H256) -> Option<TreeRoute> {
let chain = self.chain.read();
match chain.is_known(from) && chain.is_known(to) {
true => Some(chain.tree_route(from.clone(), to.clone())),
Marek Kotewicz
committed
false => None
}
fn find_uncles(&self, hash: &H256) -> Option<Vec<H256>> {
self.chain.read().find_uncle_hashes(hash, self.engine.maximum_uncle_age())
fn state_data(&self, hash: &H256) -> Option<Bytes> {
self.state_db.lock().journal_db().state(hash)
fn block_receipts(&self, hash: &H256) -> Option<Bytes> {
self.chain.read().block_receipts(hash).map(|receipts| ::rlp::encode(&receipts).to_vec())
fn import_block(&self, bytes: Bytes) -> Result<H256, BlockImportError> {
use verification::queue::kind::BlockLike;
asynchronous rob
committed
use verification::queue::kind::blocks::Unverified;
// create unverified block here so the `sha3` calculation can be cached.
let unverified = Unverified::new(bytes);
asynchronous rob
committed
if self.chain.read().is_known(&unverified.hash()) {
return Err(BlockImportError::Import(ImportError::AlreadyInChain));
if self.block_status(BlockId::Hash(unverified.parent_hash())) == BlockStatus::Unknown {
asynchronous rob
committed
return Err(BlockImportError::Block(BlockError::UnknownParent(unverified.parent_hash())));
Ok(self.block_queue.import(unverified)?)
fn import_block_with_receipts(&self, block_bytes: Bytes, receipts_bytes: Bytes) -> Result<H256, BlockImportError> {
{
// check block order
let header = BlockView::new(&block_bytes).header_view();
if self.chain.read().is_known(&header.hash()) {
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())));
}
}
self.import_old_block(block_bytes, receipts_bytes).map_err(Into::into)
}
fn chain_info(&self) -> BlockChainInfo {
let mut chain_info = self.chain.read().chain_info();
chain_info.pending_total_difficulty = chain_info.total_difficulty + self.block_queue.total_difficulty();
chain_info
fn additional_params(&self) -> BTreeMap<String, String> {
self.engine.additional_params().into_iter().collect()
}
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.read().blocks_with_bloom(bloom, from, to)),
fn logs(&self, filter: Filter) -> Vec<LocalizedLogEntry> {
let 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>>();
self.chain.read().logs(blocks, |entry| filter.matches(entry), filter.limit)
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);
match (start, end) {
(Some(s), Some(e)) => {
let filter = trace::Filter {
range: s as usize..e as usize,
from_address: From::from(filter.from_address),
to_address: From::from(filter.to_address),
};
let traces = self.tracedb.read().filter(&filter);
Some(traces)
},
_ => 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.read().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.read().transaction_traces(number, tx_address.index))
fn block_traces(&self, block: BlockId) -> Option<Vec<LocalizedTrace>> {
.and_then(|number| self.tracedb.read().block_traces(number))
fn last_hashes(&self) -> LastHashes {
(*self.build_last_hashes(self.chain.read().best_block_hash())).clone()
fn queue_transactions(&self, transactions: Vec<Bytes>, peer_id: usize) {
let queue_size = self.queue_transactions.load(AtomicOrdering::Relaxed);
trace!(target: "external_tx", "Queue size: {}", queue_size);
if queue_size > MAX_TX_QUEUE_SIZE {
debug!("Ignoring {} transactions: queue is full", transactions.len());
} else {
let len = transactions.len();
match self.io_channel.lock().send(ClientIoMessage::NewTransactions(transactions, peer_id)) {
Ok(_) => {
self.queue_transactions.fetch_add(len, AtomicOrdering::SeqCst);
}
Err(e) => {
debug!("Ignoring {} transactions: error queueing: {}", len, e);
}
}
}
}
fn ready_transactions(&self) -> Vec<PendingTransaction> {
self.miner.ready_transactions(self.chain.read().best_block_number())
fn queue_consensus_message(&self, message: Bytes) {
let channel = self.io_channel.lock().clone();
if let Err(e) = channel.send(ClientIoMessage::NewMessage(message)) {
debug!("Ignoring the message, error queueing: {}", e);
}
self.engine.signing_network_id(&self.latest_env_info())
}
fn block_extra_info(&self, id: BlockId) -> Option<BTreeMap<String, String>> {
.map(|header| self.engine.extra_info(&header.decode()))
fn uncle_extra_info(&self, id: UncleId) -> Option<BTreeMap<String, String>> {
.map(|header| self.engine.extra_info(&header.decode()))
fn pruning_info(&self) -> PruningInfo {
PruningInfo {
earliest_chain: self.chain.read().first_block_number().unwrap_or(1),
earliest_state: self.state_db.lock().journal_db().earliest_era().unwrap_or(0),
state_history_size: Some(self.history),
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
fn call_contract(&self, address: Address, data: Bytes) -> Result<Bytes, String> {
let from = Address::default();
let transaction = Transaction {
nonce: self.latest_nonce(&from),
action: Action::Call(address),
gas: U256::from(50_000_000),
gas_price: U256::default(),
value: U256::default(),
data: data,
}.fake_sign(from);
self.call(&transaction, BlockId::Latest, Default::default())
.map_err(|e| format!("{:?}", e))
.map(|executed| {
executed.output
})
}
fn registrar_address(&self) -> Option<Address> {
self.registrar.lock().as_ref().map(|r| r.address.clone())
}
fn registry_address(&self, name: String) -> Option<Address> {
self.registrar.lock().as_ref()
.and_then(|r| r.get_address(&(name.as_bytes().sha3()), "A").ok())
.and_then(|a| if a.is_zero() { None } else { Some(a) })
}
Tomusdrw
committed
impl MiningBlockChainClient for Client {
fn latest_schedule(&self) -> Schedule {
fn prepare_open_block(&self, author: Address, gas_range_target: (U256, U256), extra_data: Bytes) -> OpenBlock {
let engine = &*self.engine;
let chain = self.chain.read();
let h = chain.best_block_hash();
self.factories.clone(),
false, // TODO: this will need to be parameterised once we want to do immediate mining insertion.
self.state_db.lock().boxed_clone_canon(&h),
&chain.block_header(&h).expect("h is best block hash: so its header must exist: qed"),
).expect("OpenBlock::new only fails if parent state root invalid; state root of best block's header is never invalid; qed");
.into_iter()
.take(engine.maximum_uncle_count())
.foreach(|h| {
open_block.push_uncle(h).expect("pushing maximum_uncle_count;
open_block was just created;
push_uncle is not ok only if more than maximum_uncle_count is pushed;
so all push_uncle are Ok;
qed");
&self.factories.vm
fn broadcast_proposal_block(&self, block: SealedBlock) {
self.notify(|notify| {
notify.new_blocks(
vec![],
vec![],
vec![],
vec![],
vec![],
vec![block.rlp_bytes()],
0,
);
});
}
fn import_sealed_block(&self, block: SealedBlock) -> ImportResult {
let h = block.header().hash();
let start = precise_time_ns();
let route = {
// scope for self.import_lock
let _import_lock = self.import_lock.lock();
let _timer = PerfTimer::new("import_sealed_block");
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);
self.state_db.lock().sync_cache(&route.enacted, &route.retracted, false);
route
};
let (enacted, retracted) = self.calculate_enacted_retracted(&[route]);
self.miner.chain_new_blocks(self, &[h.clone()], &[], &enacted, &retracted);
self.notify(|notify| {
notify.new_blocks(
vec![h.clone()],
vec![],
enacted.clone(),
retracted.clone(),
vec![h.clone()],
precise_time_ns() - start,
);
});
self.db.read().flush().expect("DB flush failed.");
Tomusdrw
committed
impl EngineClient for Client {
fn update_sealing(&self) {
self.miner.update_sealing(self)
}
fn submit_seal(&self, block_hash: H256, seal: Vec<Bytes>) {
if self.miner.submit_seal(self, block_hash, seal).is_err() {
warn!(target: "poa", "Wrong internal seal submission!")
}
}
fn broadcast_consensus_message(&self, message: Bytes) {
self.notify(|notify| notify.broadcast(message.clone()));
}
}
impl MayPanic for Client {
fn on_panic<F>(&self, closure: F) where F: OnPanicListener {
Tomusdrw
committed
self.panic_handler.on_panic(closure);
}
}
impl ::client::ProvingBlockChainClient for Client {
fn prove_storage(&self, key1: H256, key2: H256, from_level: u32, id: BlockId) -> Vec<Bytes> {
self.state_at(id)
.and_then(move |state| state.prove_storage(key1, key2, from_level).ok())
.unwrap_or_else(Vec::new)
fn prove_account(&self, key1: H256, from_level: u32, id: BlockId) -> Vec<Bytes> {
self.state_at(id)
.and_then(move |state| state.prove_account(key1, from_level).ok())
.unwrap_or_else(Vec::new)
fn code_by_hash(&self, account_key: H256, id: BlockId) -> Bytes {
self.state_at(id)
.and_then(move |state| state.code_by_address_hash(account_key).ok())
.and_then(|x| x)
.unwrap_or_else(Vec::new)
impl Drop for Client {
fn drop(&mut self) {
self.engine.stop();
}
}
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
/// Returns `LocalizedReceipt` given `LocalizedTransaction`
/// and a vector of receipts from given block up to transaction index.
fn transaction_receipt(tx: LocalizedTransaction, mut receipts: Vec<Receipt>) -> LocalizedReceipt {
assert_eq!(receipts.len(), tx.transaction_index + 1, "All previous receipts are provided.");
let sender = tx.sender()
.expect("LocalizedTransaction is part of the blockchain; We have only valid transactions in chain; qed");
let receipt = receipts.pop().expect("Current receipt is provided; qed");
let prior_gas_used = match tx.transaction_index {
0 => 0.into(),
i => receipts.get(i - 1).expect("All previous receipts are provided; qed").gas_used,
};
let no_of_logs = receipts.into_iter().map(|receipt| receipt.logs.len()).sum::<usize>();
let transaction_hash = tx.hash();
let block_hash = tx.block_hash;
let block_number = tx.block_number;
let transaction_index = tx.transaction_index;
LocalizedReceipt {
transaction_hash: transaction_hash,
transaction_index: transaction_index,
block_hash: block_hash,
block_number: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(&sender, &tx.nonce))
},
logs: receipt.logs.into_iter().enumerate().map(|(i, log)| LocalizedLogEntry {
entry: log,
block_hash: block_hash,
block_number: block_number,
transaction_hash: transaction_hash,
transaction_index: transaction_index,
transaction_log_index: i,
log_index: no_of_logs + i,
}).collect(),
log_bloom: receipt.log_bloom,
state_root: receipt.state_root,
}
}
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
#[cfg(test)]
mod tests {
#[test]
fn should_not_cache_details_before_commit() {
use client::BlockChainClient;
use tests::helpers::*;
use std::thread;
use std::time::Duration;
use std::sync::Arc;
use std::sync::atomic::{AtomicBool, Ordering};
use util::kvdb::DBTransaction;
let client = generate_dummy_client(0);
let genesis = client.chain_info().best_block_hash;
let (new_hash, new_block) = get_good_dummy_block_hash();
let go = {
// Separate thread uncommited transaction
let go = Arc::new(AtomicBool::new(false));
let go_thread = go.clone();
let another_client = client.reference().clone();
thread::spawn(move || {
let mut batch = DBTransaction::new(&*another_client.chain.read().db().clone());
another_client.chain.read().insert_block(&mut batch, &new_block, Vec::new());
go_thread.store(true, Ordering::SeqCst);
});
go
};
while !go.load(Ordering::SeqCst) { thread::park_timeout(Duration::from_millis(5)); }
assert!(client.tree_route(&genesis, &new_hash).is_none());
}
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
#[test]
fn should_return_correct_log_index() {
use super::transaction_receipt;
use ethkey::KeyPair;
use log_entry::{LogEntry, LocalizedLogEntry};
use receipt::{Receipt, LocalizedReceipt};
use transaction::{Transaction, LocalizedTransaction, Action};
use util::Hashable;
// given
let key = KeyPair::from_secret("test".sha3()).unwrap();
let secret = key.secret();
let block_number = 1;
let block_hash = 5.into();
let state_root = 99.into();
let gas_used = 10.into();
let raw_tx = Transaction {
nonce: 0.into(),
gas_price: 0.into(),
gas: 21000.into(),
action: Action::Call(10.into()),
value: 0.into(),
data: vec![],
};
let tx1 = raw_tx.clone().sign(secret, None);
let transaction = LocalizedTransaction {
signed: tx1.clone(),
block_number: block_number,
block_hash: block_hash,
transaction_index: 1,
};
let logs = vec![LogEntry {
address: 5.into(),
topics: vec![],
data: vec![],
}, LogEntry {
address: 15.into(),
topics: vec![],
data: vec![],
}];
let receipts = vec![Receipt {
state_root: state_root,
gas_used: 5.into(),
log_bloom: Default::default(),
logs: vec![logs[0].clone()],
}, Receipt {
state_root: state_root,
gas_used: gas_used,
log_bloom: Default::default(),
logs: logs.clone(),
}];
// when
let receipt = transaction_receipt(transaction, receipts);
// then
assert_eq!(receipt, LocalizedReceipt {
transaction_hash: tx1.hash(),
transaction_index: 1,
block_hash: block_hash,
block_number: block_number,
cumulative_gas_used: gas_used,
gas_used: gas_used - 5.into(),
contract_address: None,
logs: vec![LocalizedLogEntry {
entry: logs[0].clone(),
block_hash: block_hash,
block_number: block_number,
transaction_hash: tx1.hash(),
transaction_index: 1,
transaction_log_index: 0,
log_index: 1,
}, LocalizedLogEntry {
entry: logs[1].clone(),
block_hash: block_hash,
block_number: block_number,
transaction_hash: tx1.hash(),
transaction_index: 1,
transaction_log_index: 1,
log_index: 2,
}],
log_bloom: Default::default(),
state_root: state_root,
});
}