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eth/filters: add WaitGroup to serveMatcher

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This commit is contained in:
Zsolt Felfoldi 2017-05-09 12:27:41 +02:00
parent 189cd0c438
commit 0957393047
1 changed files with 10 additions and 3 deletions
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13
eth/filters/filter.go
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@ -19,6 +19,7 @@ package filters
import (
"context"
"math/big"
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
@ -128,10 +129,13 @@ func (f *Filter) Find(ctx context.Context) (logs []*types.Log, err error) {
// serveMatcher serves the bloomBits matcher by fetching the requested vectors
// through the filter backend
func (f *Filter) serveMatcher(ctx context.Context, stop chan struct{}) chan error {
func (f *Filter) serveMatcher(ctx context.Context, stop chan struct{}, wg *sync.WaitGroup) chan error {
errChn := make(chan error)
wg.Add(10)
for i := 0; i < 10; i++ {
go func(i int) {
defer wg.Done()
for {
b, s := f.matcher.NextRequest(stop)
if s == nil {
@ -187,9 +191,12 @@ func (f *Filter) getLogs(ctx context.Context, start, end uint64) (logs []*types.
}
stop := make(chan struct{})
defer close(stop)
var wg sync.WaitGroup
matches := f.matcher.GetMatches(start, e, stop)
errChn := f.serveMatcher(ctx, stop)
errChn := f.serveMatcher(ctx, stop, &wg)
defer wg.Wait()
defer close(stop)
loop:
for {