fetcher

package

v1.7.4 Latest Latest Go to latest Published: Apr 23, 2024 License: MIT Imports: 10 Imported by: 0

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Repository

github.com/ethereum-optimism/optimism

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

Constants ¶

This section is empty.

Variables ¶

View Source

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

Functions ¶

This section is empty.

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)
}

Source Files ¶

View all Source files

fetcher.go

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