abi

package
v0.3.12 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jan 27, 2025 License: Unlicense Imports: 13 Imported by: 1

Documentation

Index

Constants

This section is empty.

Variables

View Source 
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)
	// MaxInt256 is the maximum value that can be represented by a int256.
	MaxInt256 = new(big.Int).Sub(new(big.Int).Lsh(common.Big1, 255), common.Big1)
)
View Source 
var (
	ErrUnexpectedEOF = errors.New("abi: unexpected EOF")
)

Functions

func EncodeCallData 

func EncodeCallData(sig Signature, dat func(*Builder) *Builder) []byte

func PrettyHex 

func PrettyHex(xs []byte) string

Types

type Builder 

type Builder struct {
	NewMem func() Memory
	// contains filtered or unexported fields
}

Builder is used to encode ethereum abi

func NewBuilder 

func NewBuilder(fn func() Memory) *Builder

func (*Builder) Address 

func (d *Builder) Address(a common.Address) *Builder

func (*Builder) BigInt 

func (d *Builder) BigInt(ret *big.Int) *Builder

func (*Builder) BigUint 

func (d *Builder) BigUint(a *uint256.Int) *Builder

DEPRECATED

func (*Builder) Bool 

func (d *Builder) Bool(b bool) *Builder

func (*Builder) Bytes 

func (d *Builder) Bytes(s []byte) *Builder

func (*Builder) DString 

func (d *Builder) DString(s string) *Builder

func (*Builder) EnterArray 

func (d *Builder) EnterArray(t TypeName, l int) *Builder

fixed size array TODO: write in a type + size compliance check later

func (*Builder) EnterDynamicArray 

func (d *Builder) EnterDynamicArray() *Builder

length unspecified array

func (*Builder) EnterGroup 

func (d *Builder) EnterGroup(l int, w bool) *Builder

l = 0 is variable length dynamic l = -1 is tuple (static) * # doesnt matter as long as negative l > 0 is length specified array (dynamic elements) l < 0 is length specified array (static elements)

func (*Builder) EnterTuple 

func (d *Builder) EnterTuple() *Builder

func (*Builder) Exit 

func (d *Builder) Exit() *Builder

exit dynamic element

func (*Builder) Finish 

func (d *Builder) Finish(prefix ...[]byte) []byte

finish closes all children, and returns the result slice

func (*Builder) FixedBytes 

func (d *Builder) FixedBytes(l int, s []byte) *Builder

0 < i <= 32

func (*Builder) Int 

func (d *Builder) Int(i int) *Builder

func (*Builder) Mem 

func (d *Builder) Mem() Memory

get the memory object, uses default memory impl by default

func (*Builder) PadRight 

func (d *Builder) PadRight(xs []byte) *Builder

generic builder writer methods

func (*Builder) Uint 

func (d *Builder) Uint(i uint) *Builder

func (*Builder) Uint16 

func (d *Builder) Uint16(i uint16) *Builder

func (*Builder) Uint256 

func (d *Builder) Uint256(a *uint256.Int) *Builder

func (*Builder) Uint8 

func (d *Builder) Uint8(i uint8) *Builder

func (*Builder) Word 

func (d *Builder) Word(xs []byte) *Builder

type Call 

type Call string

func (Call) Decode 

func (c Call) Decode() (Signature, []string)

type Decoder 

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

func HexDecoder 

func HexDecoder(s string) *Decoder

func NewDecoder 

func NewDecoder(xs []byte) *Decoder

func (*Decoder) Address 

func (d *Decoder) Address() (common.Address, error)

func (*Decoder) BigInt 

func (d *Decoder) BigInt() (*big.Int, error)

func (*Decoder) Bool 

func (d *Decoder) Bool() (bool, error)

func (*Decoder) Bytes added in v0.3.4 

func (d *Decoder) Bytes() ([]byte, error)

func (*Decoder) DString 

func (d *Decoder) DString() (string, error)

func (*Decoder) Dynamic 

func (d *Decoder) Dynamic() (*Decoder, error)

func (*Decoder) DynamicLength 

func (d *Decoder) DynamicLength() (*Decoder, int, error)

func (*Decoder) Int 

func (d *Decoder) Int() (int, error)

func (*Decoder) Peek 

func (d *Decoder) Peek(o []byte) (int, error)

func (*Decoder) PeekUint256 

func (d *Decoder) PeekUint256() (*uint256.Int, error)

func (*Decoder) PeekWord 

func (d *Decoder) PeekWord() (o [32]byte, err error)

reads 32 bytes

func (*Decoder) Read 

func (d *Decoder) Read(o []byte) (int, error)

func (*Decoder) ReadN 

func (d *Decoder) ReadN(n int) ([]byte, error)

reads n bytes

func (*Decoder) ReadNPadRight32 

func (d *Decoder) ReadNPadRight32(n int) ([]byte, error)

func (*Decoder) ReadWord 

func (d *Decoder) ReadWord() (o [32]byte, err error)

reads 32 bytes

func (*Decoder) Remaining 

func (d *Decoder) Remaining() []byte

func (*Decoder) Seek 

func (d *Decoder) Seek(offset int64, whence int) (int64, error)

func (*Decoder) Uint 

func (d *Decoder) Uint() (uint, error)

func (*Decoder) Uint16 

func (d *Decoder) Uint16() (uint16, error)

func (*Decoder) Uint256 

func (d *Decoder) Uint256() (*uint256.Int, error)

func (*Decoder) Uint8 

func (d *Decoder) Uint8() (uint8, error)

type Memory 

type Memory interface {
	// returns the full data
	Data() []byte
	// increments the cursor by input, returns new cursor
	Pos(int) int
	// insert bytes to a location in memory, appending if needed
	Insert(loc int, data []byte)
	// replacing bytes at a location in memory, growing the slice if needed
	Put(loc int, data []byte)
}

Memory is the underlying store for decoder data

type Signature 

type Signature string

represents the string that is hashed for things like function signature and event signatures

func SIG 

func SIG(s string, t ...TypeName) Signature

func (Signature) Args 

func (s Signature) Args() TypeName

func (Signature) Fn 

func (s Signature) Fn() []byte

func (Signature) Hash 

func (s Signature) Hash() common.Hash

func (Signature) Method 

func (s Signature) Method() string

func (Signature) Selector 

func (s Signature) Selector() [4]byte

func (Signature) SelectorB 

func (s Signature) SelectorB() []byte

type TypeName 

type TypeName string

represents a valid evm abi type. 

const (
	NIL TypeName = ""

	BOOL     TypeName = "bool"
	FUNCTION TypeName = "function"
	ADDRESS  TypeName = "address"
	STRING   TypeName = "string"
)
const (
	UINT    TypeName = "uint256"
	UINT8   TypeName = "uint8"
	UINT16  TypeName = "uint16"
	UINT24  TypeName = "uint24"
	UINT32  TypeName = "uint32"
	UINT40  TypeName = "uint40"
	UINT48  TypeName = "uint48"
	UINT56  TypeName = "uint56"
	UINT64  TypeName = "uint64"
	UINT72  TypeName = "uint72"
	UINT80  TypeName = "uint80"
	UINT88  TypeName = "uint88"
	UINT96  TypeName = "uint96"
	UINT104 TypeName = "uint104"
	UINT112 TypeName = "uint112"
	UINT120 TypeName = "uint120"
	UINT128 TypeName = "uint128"
	UINT136 TypeName = "uint136"
	UINT144 TypeName = "uint144"
	UINT152 TypeName = "uint152"
	UINT160 TypeName = "uint160"
	UINT168 TypeName = "uint168"
	UINT176 TypeName = "uint176"
	UINT184 TypeName = "uint184"
	UINT192 TypeName = "uint192"
	UINT200 TypeName = "uint200"
	UINT208 TypeName = "uint208"
	UINT216 TypeName = "uint216"
	UINT224 TypeName = "uint224"
	UINT232 TypeName = "uint232"
	UINT240 TypeName = "uint240"
	UINT248 TypeName = "uint248"
	UINT256 TypeName = "uint256"
	INT     TypeName = "int256"
	INT8    TypeName = "int8"
	INT16   TypeName = "int16"
	INT24   TypeName = "int24"
	INT32   TypeName = "int32"
	INT40   TypeName = "int40"
	INT48   TypeName = "int48"
	INT56   TypeName = "int56"
	INT64   TypeName = "int64"
	INT72   TypeName = "int72"
	INT80   TypeName = "int80"
	INT88   TypeName = "int88"
	INT96   TypeName = "int96"
	INT104  TypeName = "int104"
	INT112  TypeName = "int112"
	INT120  TypeName = "int120"
	INT128  TypeName = "int128"
	INT136  TypeName = "int136"
	INT144  TypeName = "int144"
	INT152  TypeName = "int152"
	INT160  TypeName = "int160"
	INT168  TypeName = "int168"
	INT176  TypeName = "int176"
	INT184  TypeName = "int184"
	INT192  TypeName = "int192"
	INT200  TypeName = "int200"
	INT208  TypeName = "int208"
	INT216  TypeName = "int216"
	INT224  TypeName = "int224"
	INT232  TypeName = "int232"
	INT240  TypeName = "int240"
	INT248  TypeName = "int248"
	INT256  TypeName = "int256"
)
const (
	BYTES   TypeName = "bytes"
	BYTES1  TypeName = "bytes1"
	BYTES2  TypeName = "bytes2"
	BYTES3  TypeName = "bytes3"
	BYTES4  TypeName = "bytes4"
	BYTES5  TypeName = "bytes5"
	BYTES6  TypeName = "bytes6"
	BYTES7  TypeName = "bytes7"
	BYTES8  TypeName = "bytes8"
	BYTES9  TypeName = "bytes9"
	BYTES10 TypeName = "bytes10"
	BYTES11 TypeName = "bytes11"
	BYTES12 TypeName = "bytes12"
	BYTES13 TypeName = "bytes13"
	BYTES14 TypeName = "bytes14"
	BYTES15 TypeName = "bytes15"
	BYTES16 TypeName = "bytes16"
	BYTES17 TypeName = "bytes17"
	BYTES18 TypeName = "bytes18"
	BYTES19 TypeName = "bytes19"
	BYTES20 TypeName = "bytes20"
	BYTES21 TypeName = "bytes21"
	BYTES22 TypeName = "bytes22"
	BYTES23 TypeName = "bytes23"
	BYTES24 TypeName = "bytes24"
	BYTES25 TypeName = "bytes25"
	BYTES26 TypeName = "bytes26"
	BYTES27 TypeName = "bytes27"
	BYTES28 TypeName = "bytes28"
	BYTES29 TypeName = "bytes29"
	BYTES30 TypeName = "bytes30"
	BYTES31 TypeName = "bytes31"
	BYTES32 TypeName = "bytes32"
)

func ARRAY 

func ARRAY(t TypeName, n int) TypeName

func FIXED 

func FIXED(M, N int) TypeName

func SLICE 

func SLICE(t TypeName) TypeName

func TUPLE 

func TUPLE(elems ...TypeName) TypeName

func UFIXED 

func UFIXED(M, N int) TypeName

func (TypeName) IsDynamic 

func (t TypeName) IsDynamic() bool

func (TypeName) IsFixedSlice 

func (t TypeName) IsFixedSlice() bool

func (TypeName) IsNumber 

func (t TypeName) IsNumber() bool

func (TypeName) IsSimple 

func (t TypeName) IsSimple() bool

func (TypeName) IsSlice 

func (t TypeName) IsSlice() bool

func (TypeName) IsTuple 

func (t TypeName) IsTuple() bool

func (TypeName) IsUnsigned 

func (t TypeName) IsUnsigned() bool

func (TypeName) TupleArgs 

func (t TypeName) TupleArgs() []TypeName

func (TypeName) UnSlice 

func (t TypeName) UnSlice() (TypeName, int)

Source Files

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