mempool

Documentation

Overview

Package mempool provides a local representation of all the UserOperations that are known to the bundler which have passed all Client checks and pending action by the Bundler.

Index

• type Mempool
  • func New(db *badger.DB) (*Mempool, error)
  • func (m *Mempool) AddOp(entryPoint common.Address, op *userop.UserOperation) error
  • func (m *Mempool) Clear() error
  • func (m *Mempool) Dump(entryPoint common.Address) ([]*userop.UserOperation, error)
  • func (m *Mempool) GetOps(entryPoint common.Address, sender common.Address) ([]*userop.UserOperation, error)
  • func (m *Mempool) RemoveOps(entryPoint common.Address, ops ...*userop.UserOperation) error

Types

type Mempool

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

Mempool provides read and write access to a pool of pending UserOperations which have passed all Client checks.

func New

func New(db *badger.DB) (*Mempool, error)

New creates an instance of a mempool that uses an embedded DB to persist and load UserOperations from disk incase of a reset.

func (*Mempool) AddOp

func (m *Mempool) AddOp(entryPoint common.Address, op *userop.UserOperation) error

AddOp adds a UserOperation to the mempool or replace an existing one with the same EntryPoint, Sender, and Nonce values.

func (*Mempool) Clear

func (m *Mempool) Clear() error

Clear will clear the entire embedded db and reset it to a clean state.

func (*Mempool) Dump

func (m *Mempool) Dump(entryPoint common.Address) ([]*userop.UserOperation, error)

Dump will return a list of UserOperations from the mempool by EntryPoint in the order it arrived.

func (*Mempool) GetOps

func (m *Mempool) GetOps(entryPoint common.Address, sender common.Address) ([]*userop.UserOperation, error)

GetOps returns all the UserOperations associated with an EntryPoint and Sender address.

func (*Mempool) RemoveOps

func (m *Mempool) RemoveOps(entryPoint common.Address, ops ...*userop.UserOperation) error

RemoveOps removes a list of UserOperations from the mempool by EntryPoint, Sender, and Nonce values.