gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

les: light client protocol and API

Browse Source
This commit is contained in:
Zsolt Felfoldi
2016-10-14 05:51:29 +02:00
committed by Felix Lange
parent 760fd65487
commit 9f8d192991
41 changed files with 5860 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
eth/api_backend.go
View File

@ -44,17 +44,17 @@ func (b *EthApiBackend) SetHead(number uint64) {
b.eth.blockchain.SetHead(number)
}
func (b *EthApiBackend) HeaderByNumber(blockNr rpc.BlockNumber) *types.Header {
func (b *EthApiBackend) HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error) {
// Pending block is only known by the miner
if blockNr == rpc.PendingBlockNumber {
block, _ := b.eth.miner.Pending()
return block.Header()
return block.Header(), nil
}
// Otherwise resolve and return the block
if blockNr == rpc.LatestBlockNumber {
return b.eth.blockchain.CurrentBlock().Header()
return b.eth.blockchain.CurrentBlock().Header(), nil
}
return b.eth.blockchain.GetHeaderByNumber(uint64(blockNr))
return b.eth.blockchain.GetHeaderByNumber(uint64(blockNr)), nil
}
func (b *EthApiBackend) BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error) {
@ -70,16 +70,16 @@ func (b *EthApiBackend) BlockByNumber(ctx context.Context, blockNr rpc.BlockNumb
return b.eth.blockchain.GetBlockByNumber(uint64(blockNr)), nil
}
func (b *EthApiBackend) StateAndHeaderByNumber(blockNr rpc.BlockNumber) (ethapi.State, *types.Header, error) {
func (b *EthApiBackend) StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (ethapi.State, *types.Header, error) {
// Pending state is only known by the miner
if blockNr == rpc.PendingBlockNumber {
block, state := b.eth.miner.Pending()
return EthApiState{state}, block.Header(), nil
}
// Otherwise resolve the block number and return its state
header := b.HeaderByNumber(blockNr)
if header == nil {
return nil, nil, nil
header, err := b.HeaderByNumber(ctx, blockNr)
if header == nil || err != nil {
return nil, nil, err
}
stateDb, err := b.eth.BlockChain().StateAt(header.Root)
return EthApiState{stateDb}, header, err