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core/bloombits: AddBloom index parameter and fixes variable names

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This commit is contained in:
Zsolt Felfoldi
2017-09-06 01:43:00 +02:00
committed by Péter Szilágyi
parent f585f9eee8
commit 6ff2c02991
4 changed files with 11 additions and 8 deletions
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13
core/bloombits/generator.go
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@@ -49,21 +49,24 @@ func NewGenerator(sections uint) (*Generator, error) {
// AddBloom takes a single bloom filter and sets the corresponding bit column
// in memory accordingly.
func (b *Generator) AddBloom(bloom types.Bloom) error {
func (b *Generator) AddBloom(index uint, bloom types.Bloom) error {
// Make sure we're not adding more bloom filters than our capacity
if b.nextBit >= b.sections {
return errSectionOutOfBounds
}
if b.nextBit != index {
return errors.New("bloom filter with unexpected index")
}
// Rotate the bloom and insert into our collection
byteMask := b.nextBit / 8
byteIndex := b.nextBit / 8
bitMask := byte(1) << byte(7-b.nextBit%8)
for i := 0; i < types.BloomBitLength; i++ {
bloomByteMask := types.BloomByteLength - 1 - i/8
bloomByteIndex := types.BloomByteLength - 1 - i/8
bloomBitMask := byte(1) << byte(i%8)
if (bloom[bloomByteMask] & bloomBitMask) != 0 {
b.blooms[i][byteMask] |= bitMask
if (bloom[bloomByteIndex] & bloomBitMask) != 0 {
b.blooms[i][byteIndex] |= bitMask
}
}
b.nextBit++

2
core/bloombits/generator_test.go
View File

@@ -44,7 +44,7 @@ func TestGenerator(t *testing.T) {
t.Fatalf("failed to create bloombit generator: %v", err)
}
for i, bloom := range input {
if err := gen.AddBloom(bloom); err != nil {
if err := gen.AddBloom(uint(i), bloom); err != nil {
t.Fatalf("bloom %d: failed to add: %v", i, err)
}
}

2
eth/bloombits.go
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@@ -122,7 +122,7 @@ func (b *BloomIndexer) Reset(section uint64) {
// Process implements core.ChainIndexerBackend, adding a new header's bloom into
// the index.
func (b *BloomIndexer) Process(header *types.Header) {
b.gen.AddBloom(header.Bloom)
b.gen.AddBloom(uint(header.Number.Uint64()-b.section*b.size), header.Bloom)
b.head = header.Hash()
}

2
eth/filters/bench_test.go
View File

@@ -98,7 +98,7 @@ func benchmarkBloomBits(b *testing.B, sectionSize uint64) {
if header == nil {
b.Fatalf("Error creating bloomBits data")
}
bc.AddBloom(header.Bloom)
bc.AddBloom(uint(i-sectionIdx*sectionSize), header.Bloom)
}
sectionHead := core.GetCanonicalHash(db, (sectionIdx+1)*sectionSize-1)
for i := 0; i < types.BloomBitLength; i++ {