gas

Feb 14, 2022

Changes in this version

type Block

+ Timestamp time.Time

type Config

+ BlockHistoryEstimatorEIP1559FeeCapBufferBlocks func() uint16

+ EvmGasBumpThreshold func() uint64

+ EvmGasFeeCapDefault func() *big.Int

Jan 25, 2022

Changes in this version

+ var ErrBump = errors.New("gas bump failed")

+ var ErrBumpGasExceedsLimit = errors.New("gas bump exceeds limit")

+ func BumpLegacyGasPriceOnly(config Config, lggr logger.Logger, currentGasPrice, originalGasPrice *big.Int, ...) (gasPrice *big.Int, chainSpecificGasLimit uint64, err error)

+ func IsBumpErr(err error) bool

type Block

+ BaseFeePerGas *big.Int

type BlockHistoryEstimator

+ func (b *BlockHistoryEstimator) BumpDynamicFee(originalFee DynamicFee, originalGasLimit uint64) (bumped DynamicFee, chainSpecificGasLimit uint64, err error)

+ func (b *BlockHistoryEstimator) BumpLegacyGas(originalGasPrice *big.Int, gasLimit uint64) (bumpedGasPrice *big.Int, chainSpecificGasLimit uint64, err error)

+ func (b *BlockHistoryEstimator) EffectiveGasPrice(block Block, tx Transaction) *big.Int

+ func (b *BlockHistoryEstimator) EffectiveTipCap(block Block, tx Transaction) *big.Int

+ func (b *BlockHistoryEstimator) GetDynamicFee(gasLimit uint64) (fee DynamicFee, chainSpecificGasLimit uint64, err error)

+ func (b *BlockHistoryEstimator) GetLegacyGas(_ []byte, gasLimit uint64, _ ...Opt) (gasPrice *big.Int, chainSpecificGasLimit uint64, err error)

type Config

+ ChainType func() chains.ChainType

+ EvmEIP1559DynamicFees func() bool

+ EvmGasFeeCap func() *big.Int

+ EvmGasTipCapDefault func() *big.Int

+ EvmGasTipCapMinimum func() *big.Int

+ type DynamicFee struct

+ FeeCap *big.Int

+ TipCap *big.Int

+ func BumpDynamicFeeOnly(config Config, lggr logger.Logger, currentTipCap *big.Int, ...) (bumped DynamicFee, chainSpecificGasLimit uint64, err error)

type Estimator

+ BumpDynamicFee func(original DynamicFee, gasLimit uint64) (bumped DynamicFee, chainSpecificGasLimit uint64, err error)

+ BumpLegacyGas func(originalGasPrice *big.Int, gasLimit uint64) (bumpedGasPrice *big.Int, chainSpecificGasLimit uint64, err error)

+ GetDynamicFee func(gasLimit uint64) (fee DynamicFee, chainSpecificGasLimit uint64, err error)

+ GetLegacyGas func(calldata []byte, gasLimit uint64, opts ...Opt) (gasPrice *big.Int, chainSpecificGasLimit uint64, err error)

Oct 19, 2021

Changes in this version

type Config

+ EvmFinalityDepth func() uint

+ EvmGasBumpPercent func() uint16

+ EvmGasBumpWei func() *big.Int

+ EvmGasLimitMultiplier func() float32

+ EvmGasPriceDefault func() *big.Int

+ EvmMaxGasPriceWei func() *big.Int

+ EvmMinGasPriceWei func() *big.Int

type Estimator

+ func NewOptimism2Estimator(config Config, client optimismRPCClient) Estimator

Aug 16, 2021

Changes in this version

+ const LegacyTxType

type Transaction

+ Hash common.Hash

+ MaxFeePerGas *big.Int

+ MaxPriorityFeePerGas *big.Int

+ Type TxType

+ type TxType uint8

+ func (txt *TxType) UnmarshalJSON(data []byte) error

Jul 26, 2021

Changes in this version

+ var ErrNoSuitableTransactions = errors.New("no suitable transactions")

+ func BumpGasPriceOnly(config Config, originalGasPrice *big.Int, originalGasLimit uint64) (gasPrice *big.Int, chainSpecificGasLimit uint64, err error)

+ func HexToInt64(input interface{}) int64

+ func Int64ToHex(n int64) string

+ type Block struct

+ Hash common.Hash

+ Number int64

+ ParentHash common.Hash

+ Transactions []Transaction

+ func (b *Block) UnmarshalJSON(data []byte) error

+ func (b Block) MarshalJSON() ([]byte, error)

+ type BlockHistoryEstimator struct

+ func (b *BlockHistoryEstimator) BumpGas(originalGasPrice *big.Int, gasLimit uint64) (bumpedGasPrice *big.Int, chainSpecificGasLimit uint64, err error)

+ func (b *BlockHistoryEstimator) Close() error

+ func (b *BlockHistoryEstimator) Connect(bn *models.Head) error

+ func (b *BlockHistoryEstimator) EstimateGas(_ []byte, gasLimit uint64, _ ...Opt) (gasPrice *big.Int, chainSpecificGasLimit uint64, err error)

+ func (b *BlockHistoryEstimator) FetchBlocks(ctx context.Context, head models.Head) error

+ func (b *BlockHistoryEstimator) FetchBlocksAndRecalculate(ctx context.Context, head models.Head)

+ func (b *BlockHistoryEstimator) OnNewLongestChain(ctx context.Context, head models.Head)

+ func (b *BlockHistoryEstimator) Recalculate(head models.Head)

+ func (b *BlockHistoryEstimator) RollingBlockHistory() []Block

+ func (b *BlockHistoryEstimator) Start() error

+ type Config interface

+ BlockHistoryEstimatorBatchSize func() uint32

+ BlockHistoryEstimatorBlockDelay func() uint16

+ BlockHistoryEstimatorBlockHistorySize func() uint16

+ BlockHistoryEstimatorTransactionPercentile func() uint16

+ ChainID func() *big.Int

+ EthFinalityDepth func() uint

+ EthGasBumpPercent func() uint16

+ EthGasBumpWei func() *big.Int

+ EthGasLimitMultiplier func() float32

+ EthGasPriceDefault func() *big.Int

+ EthMaxGasPriceWei func() *big.Int

+ EthMinGasPriceWei func() *big.Int

+ GasEstimatorMode func() string

+ type Estimator interface

+ BumpGas func(originalGasPrice *big.Int, gasLimit uint64) (bumpedGasPrice *big.Int, chainSpecificGasLimit uint64, err error)

+ Close func() error

+ EstimateGas func(calldata []byte, gasLimit uint64, opts ...Opt) (gasPrice *big.Int, chainSpecificGasLimit uint64, err error)

+ OnNewLongestChain func(context.Context, models.Head)

+ Start func() error

+ func NewBlockHistoryEstimator(ethClient eth.Client, config Config) Estimator

+ func NewEstimator(ethClient eth.Client, config Config) Estimator

+ func NewFixedPriceEstimator(config Config) Estimator

+ func NewOptimismEstimator(config Config, client optimismRPCClient) Estimator

+ type Opt int

+ const OptForceRefetch

+ type OptimismGasPricesResponse struct

+ L1GasPrice *big.Int

+ L2GasPrice *big.Int

+ func (g *OptimismGasPricesResponse) UnmarshalJSON(b []byte) error

+ type Transaction struct

+ GasLimit uint64

+ GasPrice *big.Int

+ func (t *Transaction) UnmarshalJSON(data []byte) error