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gasprice

package

v4.2.0 Latest Latest Go to latest Published: Sep 8, 2022 License: GPL-3.0, LGPL-3.0, LGPL-3.0-or-later Imports: 12 Imported by: 0

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Repository

github.com/FusionFoundation/efsn

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Documentation ¶

Index ¶

Variables
type Config
type Oracle
- func NewOracle(backend OracleBackend, params Config) *Oracle
- func (oracle *Oracle) SuggestTipCap(ctx context.Context) (*big.Int, error)
type OracleBackend

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	DefaultMaxPrice    = big.NewInt(500 * params.GWei)
	DefaultIgnorePrice = big.NewInt(2 * params.Wei)
)

Functions ¶

This section is empty.

Types ¶

type Config ¶

type Config struct {
	Blocks           int
	Percentile       int
	MaxHeaderHistory int
	MaxBlockHistory  int
	Default          *big.Int `toml:",omitempty"`
	MaxPrice         *big.Int `toml:",omitempty"`
	IgnorePrice      *big.Int `toml:",omitempty"`
}

type Oracle ¶

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

Oracle recommends gas prices based on the content of recent blocks. Suitable for both light and full clients.

func NewOracle ¶

func NewOracle(backend OracleBackend, params Config) *Oracle

NewOracle returns a new gasprice oracle which can recommend suitable gasprice for newly created transaction.

func (*Oracle) SuggestTipCap ¶

func (oracle *Oracle) SuggestTipCap(ctx context.Context) (*big.Int, error)

SuggestTipCap returns a tip cap so that newly created transaction can have a very high chance to be included in the following blocks.

Note, for legacy transactions and the legacy eth_gasPrice RPC call, it will be necessary to add the basefee to the returned number to fall back to the legacy behavior.

type OracleBackend ¶

type OracleBackend interface {
	HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)
	BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
	GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error)
	PendingBlockAndReceipts() (*types.Block, types.Receipts)
	ChainConfig() *params.ChainConfig
	SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
}

OracleBackend includes all necessary background APIs for oracle.

Source Files ¶

View all Source files

gasprice.go

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