common

Documentation

Overview

Moved here because transactions package depends on accounts package which depends on appdatabase where this functionality is needed

Index

• Constants
• Variables
• func GetEventSignatureHash(signature string) common.Hash
• func IsTokenTransfer(logs []*types.Log) bool
• func ParseErc20TransferLog(ethlog *types.Log) (from, to common.Address, amount *big.Int)
• func ParseErc721TransferLog(ethlog *types.Log) (from, to common.Address, tokenID *big.Int)
• func ParseUniswapV2Log(ethlog *types.Log) (pairAddress common.Address, from common.Address, to common.Address, ...)
• func ParseUniswapV3Log(ethlog *types.Log) (poolAddress common.Address, sender common.Address, recipient common.Address, ...)
• type ChainID
• type EventType
  • func GetEventType(log *types.Log) EventType
  • func GetFirstEvent(logs []*types.Log) (EventType, *types.Log)
• type Type
  • func EventTypeToSubtransactionType(eventType EventType) Type
  • func ExtractTokenIdentity(dbEntryType Type, log *types.Log, tx *types.Transaction) (correctType Type, tokenAddress *common.Address, tokenID *big.Int, ...)

Constants

const (
	EthereumMainnet uint64 = 1
	EthereumGoerli  uint64 = 5
	EthereumSepolia uint64 = 11155111
	OptimismMainnet uint64 = 10
	OptimismGoerli  uint64 = 420
	ArbitrumMainnet uint64 = 42161
	ArbitrumGoerli  uint64 = 421613
)

const (
	// Transaction types
	EthTransfer    Type = "eth"
	Erc20Transfer  Type = "erc20"
	Erc721Transfer Type = "erc721"
	UniswapV2Swap  Type = "uniswapV2Swap"
	UniswapV3Swap  Type = "uniswapV3Swap"

	// Event types
	Erc20TransferEventType  EventType = "erc20Event"
	Erc721TransferEventType EventType = "erc721Event"
	UniswapV2SwapEventType  EventType = "uniswapV2SwapEvent"
	UniswapV3SwapEventType  EventType = "uniswapV3SwapEvent"
	UnknownEventType        EventType = "unknownEvent"

	Erc20_721TransferEventSignature = "Transfer(address,address,uint256)"
)

Variables

var (
	// MaxUint256 is the maximum value that can be represented by a uint256.
	MaxUint256 = new(big.Int).Sub(new(big.Int).Lsh(common.Big1, 256), common.Big1)
)

Functions

func GetEventSignatureHash

func GetEventSignatureHash(signature string) common.Hash

func IsTokenTransfer

func IsTokenTransfer(logs []*types.Log) bool

func ParseErc20TransferLog

func ParseErc20TransferLog(ethlog *types.Log) (from, to common.Address, amount *big.Int)

func ParseErc721TransferLog

func ParseErc721TransferLog(ethlog *types.Log) (from, to common.Address, tokenID *big.Int)

func ParseUniswapV2Log

func ParseUniswapV2Log(ethlog *types.Log) (pairAddress common.Address, from common.Address, to common.Address, amount0In *big.Int, amount1In *big.Int, amount0Out *big.Int, amount1Out *big.Int, err error)

func ParseUniswapV3Log

func ParseUniswapV3Log(ethlog *types.Log) (poolAddress common.Address, sender common.Address, recipient common.Address, amount0 *big.Int, amount1 *big.Int, err error)

Types

type ChainID

type ChainID uint64

type EventType

type EventType string

Log Event type

func GetEventType

func GetEventType(log *types.Log) EventType

Detect event type for a cetain item from the Events Log

func GetFirstEvent

func GetFirstEvent(logs []*types.Log) (EventType, *types.Log)

type Type

type Type string

Type type of transaction

func EventTypeToSubtransactionType

func EventTypeToSubtransactionType(eventType EventType) Type

func ExtractTokenIdentity

func ExtractTokenIdentity(dbEntryType Type, log *types.Log, tx *types.Transaction) (correctType Type, tokenAddress *common.Address, tokenID *big.Int, value *big.Int)