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les: light client protocol and API

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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
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13
internal/ethapi/api.go
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@ -366,14 +366,15 @@ func NewPublicBlockChainAPI(b Backend) *PublicBlockChainAPI {
// BlockNumber returns the block number of the chain head.
func (s *PublicBlockChainAPI) BlockNumber() *big.Int {
return s.b.HeaderByNumber(rpc.LatestBlockNumber).Number
header, _ := s.b.HeaderByNumber(context.Background(), rpc.LatestBlockNumber) // latest header should always be available
return header.Number
}
// GetBalance returns the amount of wei for the given address in the state of the
// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
// block numbers are also allowed.
func (s *PublicBlockChainAPI) GetBalance(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (*big.Int, error) {
state, _, err := s.b.StateAndHeaderByNumber(blockNr)
state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
if state == nil || err != nil {
return nil, err
}
@ -458,7 +459,7 @@ func (s *PublicBlockChainAPI) GetUncleCountByBlockHash(ctx context.Context, bloc
// GetCode returns the code stored at the given address in the state for the given block number.
func (s *PublicBlockChainAPI) GetCode(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (string, error) {
state, _, err := s.b.StateAndHeaderByNumber(blockNr)
state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
if state == nil || err != nil {
return "", err
}
@ -473,7 +474,7 @@ func (s *PublicBlockChainAPI) GetCode(ctx context.Context, address common.Addres
// block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block
// numbers are also allowed.
func (s *PublicBlockChainAPI) GetStorageAt(ctx context.Context, address common.Address, key string, blockNr rpc.BlockNumber) (string, error) {
state, _, err := s.b.StateAndHeaderByNumber(blockNr)
state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
if state == nil || err != nil {
return "0x", err
}
@ -517,7 +518,7 @@ type CallArgs struct {
func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (string, *big.Int, error) {
defer func(start time.Time) { glog.V(logger.Debug).Infof("call took %v", time.Since(start)) }(time.Now())
state, header, err := s.b.StateAndHeaderByNumber(blockNr)
state, header, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
if state == nil || err != nil {
return "0x", common.Big0, err
}
@ -859,7 +860,7 @@ func (s *PublicTransactionPoolAPI) GetRawTransactionByBlockHashAndIndex(ctx cont
// GetTransactionCount returns the number of transactions the given address has sent for the given block number
func (s *PublicTransactionPoolAPI) GetTransactionCount(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (*rpc.HexNumber, error) {
state, _, err := s.b.StateAndHeaderByNumber(blockNr)
state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
if state == nil || err != nil {
return nil, err
}