fetcher

Documentation

Index

• Variables
• type InputFetcher
  • func NewPreimageFetcher(logger log.Logger, source L1Source) *InputFetcher
  • func (f *InputFetcher) FetchInputs(ctx context.Context, blockHash common.Hash, oracle Oracle, ...) ([]keccakTypes.InputData, error)
• type L1Source
• type Oracle

Variables

var (
	ErrNoLeavesFound = errors.New("no leaves found in block")
)

Types

type InputFetcher

type InputFetcher struct {
	// contains filtered or unexported fields
}

func NewPreimageFetcher

func NewPreimageFetcher(logger log.Logger, source L1Source) *InputFetcher

func (*InputFetcher) FetchInputs

func (f *InputFetcher) FetchInputs(ctx context.Context, blockHash common.Hash, oracle Oracle, ident keccakTypes.LargePreimageIdent) ([]keccakTypes.InputData, error)

type L1Source

type L1Source interface {
	BlockByNumber(ctx context.Context, number *big.Int) (*types.Block, error)
	TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error)
	ChainID(ctx context.Context) (*big.Int, error)
}

type Oracle

type Oracle interface {
	Addr() common.Address
	GetInputDataBlocks(ctx context.Context, block rpcblock.Block, ident keccakTypes.LargePreimageIdent) ([]uint64, error)
	DecodeInputData(data []byte) (*big.Int, keccakTypes.InputData, error)
}