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eth/filters: eth_getLogs fast exit for invalid block range (#28386)

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This commit is contained in:
Delweng 2023-11-07 19:41:19 +08:00 committed by GitHub
parent 97ae32441e
commit f20b334f21
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 25 additions and 4 deletions
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4
eth/filters/api.go
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@ -36,6 +36,7 @@ import (
var (
errInvalidTopic = errors.New("invalid topic(s)")
errFilterNotFound = errors.New("filter not found")
errInvalidBlockRange = errors.New("invalid block range params")
)
// filter is a helper struct that holds meta information over the filter type
@ -347,6 +348,9 @@ func (api *FilterAPI) GetLogs(ctx context.Context, crit FilterCriteria) ([]*type
if crit.ToBlock != nil {
end = crit.ToBlock.Int64()
}
if begin > 0 && end > 0 && begin > end {
return nil, errInvalidBlockRange
}
// Construct the range filter
filter = api.sys.NewRangeFilter(begin, end, crit.Addresses, crit.Topics)
}

3
eth/filters/filter_system.go
View File

@ -20,7 +20,6 @@ package filters
import (
"context"
"errors"
"fmt"
"sync"
"sync/atomic"
@ -332,7 +331,7 @@ func (es *EventSystem) SubscribeLogs(crit ethereum.FilterQuery, logs chan []*typ
if from >= 0 && to == rpc.LatestBlockNumber {
return es.subscribeLogs(crit, logs), nil
}
return nil, errors.New("invalid from and to block combination: from > to")
return nil, errInvalidBlockRange
}
// subscribeMinedPendingLogs creates a subscription that returned mined and

18
eth/filters/filter_system_test.go
View File

@ -429,7 +429,10 @@ func TestInvalidLogFilterCreation(t *testing.T) {
}
}
// TestLogFilterUninstall tests invalid getLogs requests
func TestInvalidGetLogsRequest(t *testing.T) {
t.Parallel()
var (
db = rawdb.NewMemoryDatabase()
_, sys = newTestFilterSystem(t, db, Config{})
@ -451,6 +454,21 @@ func TestInvalidGetLogsRequest(t *testing.T) {
}
}
// TestInvalidGetRangeLogsRequest tests getLogs with invalid block range
func TestInvalidGetRangeLogsRequest(t *testing.T) {
t.Parallel()
var (
db = rawdb.NewMemoryDatabase()
_, sys = newTestFilterSystem(t, db, Config{})
api = NewFilterAPI(sys, false)
)
if _, err := api.GetLogs(context.Background(), FilterCriteria{FromBlock: big.NewInt(2), ToBlock: big.NewInt(1)}); err != errInvalidBlockRange {
t.Errorf("Expected Logs for invalid range return error, but got: %v", err)
}
}
// TestLogFilter tests whether log filters match the correct logs that are posted to the event feed.
func TestLogFilter(t *testing.T) {
t.Parallel()