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eth, internal, les: add getHeaderBy* APIs (#19669)

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* eth, interal, les: add getHeaderBy* APIs

* internal: address the comment

* eth, internal, les: getHeader nits, missing TD, console callable
This commit is contained in:
gary rong
2019-07-23 21:52:24 +08:00
committed by Péter Szilágyi
parent 57d9c93dcd
commit 530f78e22d
5 changed files with 126 additions and 55 deletions
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26
eth/api_backend.go
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@ -59,44 +59,44 @@ func (b *EthAPIBackend) SetHead(number uint64) {
b.eth.blockchain.SetHead(number)
}
func (b *EthAPIBackend) HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error) {
func (b *EthAPIBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
// Pending block is only known by the miner
if blockNr == rpc.PendingBlockNumber {
if number == rpc.PendingBlockNumber {
block := b.eth.miner.PendingBlock()
return block.Header(), nil
}
// Otherwise resolve and return the block
if blockNr == rpc.LatestBlockNumber {
if number == rpc.LatestBlockNumber {
return b.eth.blockchain.CurrentBlock().Header(), nil
}
return b.eth.blockchain.GetHeaderByNumber(uint64(blockNr)), nil
return b.eth.blockchain.GetHeaderByNumber(uint64(number)), nil
}
func (b *EthAPIBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
return b.eth.blockchain.GetHeaderByHash(hash), nil
}
func (b *EthAPIBackend) BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error) {
func (b *EthAPIBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) {
// Pending block is only known by the miner
if blockNr == rpc.PendingBlockNumber {
if number == rpc.PendingBlockNumber {
block := b.eth.miner.PendingBlock()
return block, nil
}
// Otherwise resolve and return the block
if blockNr == rpc.LatestBlockNumber {
if number == rpc.LatestBlockNumber {
return b.eth.blockchain.CurrentBlock(), nil
}
return b.eth.blockchain.GetBlockByNumber(uint64(blockNr)), nil
return b.eth.blockchain.GetBlockByNumber(uint64(number)), nil
}
func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
// Pending state is only known by the miner
if blockNr == rpc.PendingBlockNumber {
if number == rpc.PendingBlockNumber {
block, state := b.eth.miner.Pending()
return state, block.Header(), nil
}
// Otherwise resolve the block number and return its state
header, err := b.HeaderByNumber(ctx, blockNr)
header, err := b.HeaderByNumber(ctx, number)
if err != nil {
return nil, nil, err
}
@ -107,6 +107,10 @@ func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, blockNr rpc.
return stateDb, header, err
}
func (b *EthAPIBackend) GetHeader(ctx context.Context, hash common.Hash) *types.Header {
return b.eth.blockchain.GetHeaderByHash(hash)
}
func (b *EthAPIBackend) GetBlock(ctx context.Context, hash common.Hash) (*types.Block, error) {
return b.eth.blockchain.GetBlockByHash(hash), nil
}