ethcoder

package
v1.27.2 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 19, 2024 License: LGPL-3.0, MIT Imports: 19 Imported by: 10

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var DefaultMerkleTreeOptions = Options{

	SortLeaves: true,
	SortPairs:  true,
}

Functions

func AbiCoder 

func AbiCoder(argTypes []string, argValues []interface{}) ([]byte, error)

func AbiCoderHex 

func AbiCoderHex(argTypes []string, argValues []interface{}) (string, error)

func AbiDecodeExpr 

func AbiDecodeExpr(expr string, input []byte, argValues []interface{}) error

func AbiDecodeExprAndStringify 

func AbiDecodeExprAndStringify(expr string, input []byte) ([]string, error)

func AbiDecoder 

func AbiDecoder(argTypes []string, input []byte, argValues []interface{}) error

func AbiDecoderWithReturnedValues 

func AbiDecoderWithReturnedValues(argTypes []string, input []byte) ([]interface{}, error)

func AbiEncodeMethodCalldata 

func AbiEncodeMethodCalldata(methodExpr string, argValues []interface{}) ([]byte, error)

func AbiEncodeMethodCalldataFromStringValues 

func AbiEncodeMethodCalldataFromStringValues(methodExpr string, argStringValues []string) ([]byte, error)

func AbiMarshalStringValues 

func AbiMarshalStringValues(argTypes []string, input []byte) ([]string, error)

func AbiUnmarshalStringValues 

func AbiUnmarshalStringValues(argTypes []string, stringValues []string) ([]interface{}, error)

AbiDecodeStringValues will take an array of ethereum types and string values, and decode the string values to runtime objects.

func AddressPadding 

func AddressPadding(input string) string

func BytesToBytes32 

func BytesToBytes32(slice []byte) [32]byte

func EventTopicHash added in v1.24.11 

func EventTopicHash(event string) (ethkit.Hash, string, error)

EventTopicHash returns the keccak256 hash of the event signature

e.g. "Transfer(address indexed from, address indexed to, uint256 value)" will return 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef

func FunctionSignature 

func FunctionSignature(functionExpr string) string

func HexDecode 

func HexDecode(h string) ([]byte, error)

func HexDecodeBigIntArray 

func HexDecodeBigIntArray(bigNumsHex []string) ([]*big.Int, error)

func HexDecodeBytes32 

func HexDecodeBytes32(h string) ([32]byte, error)

func HexEncode 

func HexEncode(h []byte) string

func HexEncodeBigIntArray 

func HexEncodeBigIntArray(bigNums []*big.Int) ([]string, error)

func HexTrimLeadingZeros 

func HexTrimLeadingZeros(hex string) (string, error)

func Keccak256 

func Keccak256(input []byte) []byte

func Keccak256Hash added in v1.17.0 

func Keccak256Hash(input []byte) common.Hash

func MustHexDecode 

func MustHexDecode(h string) []byte

func MustNewArrayTypeTuple added in v1.4.1 

func MustNewArrayTypeTuple(components []abi.ArgumentMarshaling) abi.Type

func MustNewType added in v1.4.1 

func MustNewType(str string) abi.Type

func PadZeros 

func PadZeros(array []byte, totalLength int) ([]byte, error)

func ParseMethodABI 

func ParseMethodABI(methodExpr, returnsExpr string) (*abi.ABI, string, error)

ParseMethodABI will return an `abi.ABI` object from the short-hand method string expression, for example, methodExpr: `balanceOf(address)` returnsExpr: `uint256`

func SHA3 added in v1.17.0 

func SHA3(input []byte) common.Hash

func SolidityPack 

func SolidityPack(argTypes []string, argValues []interface{}) ([]byte, error)

func SolidityPackHex 

func SolidityPackHex(argTypes []string, argValues []interface{}) (string, error)

func StringifyValues 

func StringifyValues(values []interface{}) ([]string, error)

func ValidateEventSig added in v1.26.3 

func ValidateEventSig(eventSig string) (bool, error)

Types

type EventDecoder added in v1.26.5 

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

func NewEventDecoder added in v1.26.5 

func NewEventDecoder() *EventDecoder

func (*EventDecoder) DecodeLog added in v1.26.5 

func (d *EventDecoder) DecodeLog(log types.Log) (EventDef, []interface{}, bool, error)

func (*EventDecoder) DecodeLogAsHex added in v1.26.5 

func (d *EventDecoder) DecodeLogAsHex(log types.Log) (EventDef, []string, bool, error)

func (*EventDecoder) EventDefList added in v1.27.2 

func (d *EventDecoder) EventDefList() []EventDef

func (*EventDecoder) RegisterContractABI added in v1.26.5 

func (d *EventDecoder) RegisterContractABI(contractABI abi.ABI, eventNames ...string) error

func (*EventDecoder) RegisterContractABIJSON added in v1.26.5 

func (d *EventDecoder) RegisterContractABIJSON(contractABIJSON string, eventNames ...string) error

func (*EventDecoder) RegisterEventSig added in v1.26.5 

func (d *EventDecoder) RegisterEventSig(eventSig ...string) error

func (*EventDecoder) TopicsList added in v1.27.2 

func (d *EventDecoder) TopicsList() []string

func (*EventDecoder) TopicsMap added in v1.27.2 

func (d *EventDecoder) TopicsMap() map[string]struct{}

type EventDef added in v1.26.2 

type EventDef struct {
	TopicHash  string   `json:"topicHash"`  // the event topic hash, ie. 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
	Name       string   `json:"name"`       // the event name, ie. Transfer
	Sig        string   `json:"sig"`        // the event sig, ie. Transfer(address,address,uint256)
	ArgTypes   []string `json:"argTypes"`   // the event arg types, ie. [address, address, uint256]
	ArgNames   []string `json:"argNames"`   // the event arg names, ie. [from, to, value] or ["","",""]
	ArgIndexed []bool   `json:"argIndexed"` // the event arg indexed flag, ie. [true, false, true]
	NumIndexed int      `json:"-"`
}

func DecodeTransactionLogByContractABI added in v1.26.2 

func DecodeTransactionLogByContractABI(txnLog types.Log, contractABI abi.ABI) (EventDef, []interface{}, bool, error)

func DecodeTransactionLogByContractABIAsHex added in v1.26.5 

func DecodeTransactionLogByContractABIAsHex(txnLog types.Log, contractABI abi.ABI) (EventDef, []string, bool, error)

func DecodeTransactionLogByContractABIJSON added in v1.26.2 

func DecodeTransactionLogByContractABIJSON(txnLog types.Log, contractABIJSON string) (EventDef, []interface{}, bool, error)

..

func DecodeTransactionLogByEventSig added in v1.26.2 

func DecodeTransactionLogByEventSig(txnLog types.Log, eventSig string) (EventDef, []interface{}, bool, error)

func DecodeTransactionLogByEventSigAsHex added in v1.26.5 

func DecodeTransactionLogByEventSigAsHex(txnLog types.Log, eventSig string) (EventDef, []string, bool, error)

func ParseEventDef added in v1.26.2 

func ParseEventDef(event string) (EventDef, error)

func (EventDef) String added in v1.27.1 

func (e EventDef) String() string

type MerkleTree added in v1.26.0 

type MerkleTree[TLeaf any] struct {
	// contains filtered or unexported fields
}

func NewMerkleTree added in v1.26.0 

func NewMerkleTree[TLeaf any](leaves []TLeaf, hashFn *func(TLeaf) ([]byte, error), options *Options) *MerkleTree[TLeaf]

func (*MerkleTree[TLeaf]) GetHexProof added in v1.26.0 

func (mt *MerkleTree[TLeaf]) GetHexProof(leaf TLeaf) [][]byte

func (*MerkleTree[TLeaf]) GetProof added in v1.26.0 

func (mt *MerkleTree[TLeaf]) GetProof(leaf TLeaf) ([]Proof, error)

func (*MerkleTree[TLeaf]) GetRoot added in v1.26.0 

func (mt *MerkleTree[TLeaf]) GetRoot() []byte

func (*MerkleTree[TLeaf]) Verify added in v1.26.0 

func (mt *MerkleTree[TLeaf]) Verify(proof []Proof, leaf TLeaf, root []byte) (bool, error)

type Options added in v1.26.0 

type Options struct {
	SortLeaves bool
	SortPairs  bool
}

type Proof added in v1.26.0 

type Proof struct {
	IsLeft bool
	Data   []byte
}

type TypedData 

type TypedData struct {
	Types       TypedDataTypes         `json:"types"`
	PrimaryType string                 `json:"primaryType"`
	Domain      TypedDataDomain        `json:"domain"`
	Message     map[string]interface{} `json:"message"`
}

func (*TypedData) EncodeDigest 

func (t *TypedData) EncodeDigest() ([]byte, error)

func (*TypedData) HashStruct added in v1.3.4 

func (t *TypedData) HashStruct(primaryType string, data map[string]interface{}) ([]byte, error)

type TypedDataArgument 

type TypedDataArgument struct {
	Name string `json:"name"`
	Type string `json:"type"`
}

type TypedDataDomain 

type TypedDataDomain struct {
	Name              string          `json:"name,omitempty"`
	Version           string          `json:"version,omitempty"`
	ChainID           *big.Int        `json:"chainId,omitempty"`
	VerifyingContract *common.Address `json:"verifyingContract,omitempty"`
	Salt              *[32]byte       `json:"salt,omitempty"`
}

func (TypedDataDomain) Map 

func (t TypedDataDomain) Map() map[string]interface{}

type TypedDataTypes 

type TypedDataTypes map[string][]TypedDataArgument

func (TypedDataTypes) EncodeType 

func (t TypedDataTypes) EncodeType(primaryType string) (string, error)

func (TypedDataTypes) TypeHash 

func (t TypedDataTypes) TypeHash(primaryType string) ([]byte, error)

Source Files

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