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eth/filters: add global block logs cache (#25459)

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This adds a cache for block logs which is shared by all filters. The cache
size of is configurable using the `--cache.blocklogs` flag.

Co-authored-by: Felix Lange <fjl@twurst.com>
This commit is contained in:
Sina Mahmoodi
2022-08-19 11:14:59 +02:00
committed by GitHub
co-authored by Felix Lange
parent 77308cd6fc
commit 36874b63a1
21 changed files with 310 additions and 200 deletions
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accounts/abi/bind/backends/simulated.go
+13 -18
View File
@@ -68,7 +68,8 @@ type SimulatedBackend struct {
pendingState *state.StateDB // Currently pending state that will be the active on request
pendingReceipts types.Receipts // Currently receipts for the pending block
events *filters.EventSystem // Event system for filtering log events live
events *filters.EventSystem // for filtering log events live
filterSystem *filters.FilterSystem // for filtering database logs
config *params.ChainConfig
}
@@ -86,7 +87,11 @@ func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc core.Genesis
blockchain: blockchain,
config: genesis.Config,
}
backend.events = filters.NewEventSystem(&filterBackend{database, blockchain, backend}, false)
filterBackend := &filterBackend{database, blockchain, backend}
backend.filterSystem = filters.NewFilterSystem(filterBackend, filters.Config{})
backend.events = filters.NewEventSystem(backend.filterSystem, false)
backend.rollback(blockchain.CurrentBlock())
return backend
}
@@ -689,7 +694,7 @@ func (b *SimulatedBackend) FilterLogs(ctx context.Context, query ethereum.Filter
var filter *filters.Filter
if query.BlockHash != nil {
// Block filter requested, construct a single-shot filter
filter = filters.NewBlockFilter(&filterBackend{b.database, b.blockchain, b}, *query.BlockHash, query.Addresses, query.Topics)
filter = b.filterSystem.NewBlockFilter(*query.BlockHash, query.Addresses, query.Topics)
} else {
// Initialize unset filter boundaries to run from genesis to chain head
from := int64(0)
@@ -701,7 +706,7 @@ func (b *SimulatedBackend) FilterLogs(ctx context.Context, query ethereum.Filter
to = query.ToBlock.Int64()
}
// Construct the range filter
filter = filters.NewRangeFilter(&filterBackend{b.database, b.blockchain, b}, from, to, query.Addresses, query.Topics)
filter = b.filterSystem.NewRangeFilter(from, to, query.Addresses, query.Topics)
}
// Run the filter and return all the logs
logs, err := filter.Logs(ctx)
@@ -827,7 +832,8 @@ type filterBackend struct {
backend *SimulatedBackend
}
func (fb *filterBackend) ChainDb() ethdb.Database { return fb.db }
func (fb *filterBackend) ChainDb() ethdb.Database { return fb.db }
func (fb *filterBackend) EventMux() *event.TypeMux { panic("not supported") }
func (fb *filterBackend) HeaderByNumber(ctx context.Context, block rpc.BlockNumber) (*types.Header, error) {
@@ -853,19 +859,8 @@ func (fb *filterBackend) GetReceipts(ctx context.Context, hash common.Hash) (typ
return rawdb.ReadReceipts(fb.db, hash, *number, fb.bc.Config()), nil
}
func (fb *filterBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
number := rawdb.ReadHeaderNumber(fb.db, hash)
if number == nil {
return nil, nil
}
receipts := rawdb.ReadReceipts(fb.db, hash, *number, fb.bc.Config())
if receipts == nil {
return nil, nil
}
logs := make([][]*types.Log, len(receipts))
for i, receipt := range receipts {
logs[i] = receipt.Logs
}
func (fb *filterBackend) GetLogs(ctx context.Context, hash common.Hash, number uint64) ([][]*types.Log, error) {
logs := rawdb.ReadLogs(fb.db, hash, number, fb.bc.Config())
return logs, nil
}