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Logs limit & log_index bug (#2073)

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* Limiting number of logs

* Test for logs

* Fixing logs ordering and indexing

* Fixing sort

* unwrap -> expect

* Revert "unwrap -> expect"

This reverts commit e99e6e77f37692fe568448e768aa72775de8d0cd.
This commit is contained in:
Tomasz Drwięga
2016-09-14 12:02:30 +02:00
committed by Arkadiy Paronyan
parent 21cc368066
commit 9ed9857fba
10 changed files with 268 additions and 56 deletions
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36
ethcore/src/client/client.rs
View File

@@ -957,10 +957,8 @@ impl BlockChainClient for Client {
}
}
fn logs(&self, filter: Filter) -> Vec<LocalizedLogEntry> {
// TODO: lock blockchain only once
let mut blocks = filter.bloom_possibilities().iter()
fn logs(&self, filter: Filter, limit: Option<usize>) -> 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
@@ -968,35 +966,7 @@ impl BlockChainClient for Client {
.into_iter()
.collect::<Vec<u64>>();
blocks.sort();
let chain = self.chain.read();
blocks.into_iter()
.filter_map(|number| chain.block_hash(number).map(|hash| (number, hash)))
.filter_map(|(number, hash)| chain.block_receipts(&hash).map(|r| (number, hash, r.receipts)))
.filter_map(|(number, hash, receipts)| chain.block_body(&hash).map(|ref b| (number, hash, receipts, BodyView::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::default),
transaction_index: index,
log_index: log_index + i
})
.collect::<Vec<LocalizedLogEntry>>()
})
.collect::<Vec<LocalizedLogEntry>>()
})
.collect()
self.chain.read().logs(blocks, |entry| filter.matches(entry), limit)
}
fn filter_traces(&self, filter: TraceFilter) -> Option<Vec<LocalizedTrace>> {

4
ethcore/src/client/test_client.rs
View File

@@ -390,8 +390,8 @@ impl BlockChainClient for TestBlockChainClient {
unimplemented!();
}
fn logs(&self, _filter: Filter) -> Vec<LocalizedLogEntry> {
unimplemented!();
fn logs(&self, _filter: Filter, _limit: Option<usize>) -> Vec<LocalizedLogEntry> {
Vec::new()
}
fn last_hashes(&self) -> LastHashes {

2
ethcore/src/client/traits.rs
View File

@@ -156,7 +156,7 @@ pub trait BlockChainClient : Sync + Send {
fn blocks_with_bloom(&self, bloom: &H2048, from_block: BlockID, to_block: BlockID) -> Option<Vec<BlockNumber>>;
/// Returns logs matching given filter.
fn logs(&self, filter: Filter) -> Vec<LocalizedLogEntry>;
fn logs(&self, filter: Filter, limit: Option<usize>) -> Vec<LocalizedLogEntry>;
/// Makes a non-persistent transaction call.
fn call(&self, t: &SignedTransaction, block: BlockID, analytics: CallAnalytics) -> Result<Executed, CallError>;