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eth/downloader: add fast and light sync strategies

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This commit is contained in:
Péter Szilágyi
2015-09-28 19:27:31 +03:00
parent c33cc382b3
commit f186b39018
11 changed files with 1456 additions and 828 deletions
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11
core/transaction_util.go
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@ -140,13 +140,12 @@ func GetBlockReceipts(db ethdb.Database, hash common.Hash) types.Receipts {
if len(data) == 0 {
return nil
}
var receipts types.Receipts
err := rlp.DecodeBytes(data, &receipts)
if err != nil {
glog.V(logger.Core).Infoln("GetReceiptse err", err)
receipts := new(types.Receipts)
if err := rlp.DecodeBytes(data, receipts); err != nil {
glog.V(logger.Error).Infof("invalid receipt array RLP for hash %x: %v", hash, err)
return nil
}
return receipts
return *receipts
}
// PutBlockReceipts stores the block's transactions associated receipts

10
core/types/block.go
View File

@ -172,8 +172,8 @@ type storageblock struct {
}
var (
emptyRootHash = DeriveSha(Transactions{})
emptyUncleHash = CalcUncleHash(nil)
EmptyRootHash = DeriveSha(Transactions{})
EmptyUncleHash = CalcUncleHash(nil)
)
// NewBlock creates a new block. The input data is copied,
@ -188,7 +188,7 @@ func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*
// TODO: panic if len(txs) != len(receipts)
if len(txs) == 0 {
b.header.TxHash = emptyRootHash
b.header.TxHash = EmptyRootHash
} else {
b.header.TxHash = DeriveSha(Transactions(txs))
b.transactions = make(Transactions, len(txs))
@ -196,7 +196,7 @@ func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*
}
if len(receipts) == 0 {
b.header.ReceiptHash = emptyRootHash
b.header.ReceiptHash = EmptyRootHash
} else {
b.header.ReceiptHash = DeriveSha(Receipts(receipts))
b.header.Bloom = CreateBloom(receipts)
@ -205,7 +205,7 @@ func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*
}
if len(uncles) == 0 {
b.header.UncleHash = emptyUncleHash
b.header.UncleHash = EmptyUncleHash
} else {
b.header.UncleHash = CalcUncleHash(uncles)
b.uncles = make([]*Header, len(uncles))