core, eth: add bloombit indexer, filter based on it

core/chain_indexer_test.go

@@ -23,6 +23,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/ethdb"
 )
@@ -58,7 +59,6 @@ func testChainIndexer(t *testing.T, count int) {
 		)
 		backends[i] = &testChainIndexBackend{t: t, processCh: make(chan uint64)}
 		backends[i].indexer = NewChainIndexer(db, ethdb.NewTable(db, string([]byte{byte(i)})), backends[i], sectionSize, confirmsReq, 0, fmt.Sprintf("indexer-%d", i))
-		defer backends[i].indexer.Close()
 
 		if sections, _, _ := backends[i].indexer.Sections(); sections != 0 {
 			t.Fatalf("Canonical section count mismatch: have %v, want %v", sections, 0)
@@ -67,6 +67,7 @@ func testChainIndexer(t *testing.T, count int) {
 			backends[i-1].indexer.AddChildIndexer(backends[i].indexer)
 		}
 	}
+	defer backends[0].indexer.Close() // parent indexer shuts down children
 	// notify pings the root indexer about a new head or reorg, then expect
 	// processed blocks if a section is processable
 	notify := func(headNum, failNum uint64, reorg bool) {
@@ -208,7 +209,7 @@ func (b *testChainIndexBackend) reorg(headNum uint64) uint64 {
 	return b.stored * b.indexer.sectionSize
 }
 
-func (b *testChainIndexBackend) Reset(section uint64) {
+func (b *testChainIndexBackend) Reset(section uint64, lastSectionHead common.Hash) {
 	b.section = section
 	b.headerCnt = 0
 }
@@ -226,7 +227,7 @@ func (b *testChainIndexBackend) Process(header *types.Header) {
 	}
 }
 
-func (b *testChainIndexBackend) Commit(db ethdb.Database) error {
+func (b *testChainIndexBackend) Commit() error {
 	if b.headerCnt != b.indexer.sectionSize {
 		b.t.Error("Not enough headers processed")
 	}