felt

package
v0.16.0-rc.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Apr 22, 2026 License: Apache-2.0 Imports: 7 Imported by: 142

Documentation

Index

Constants

View Source 
const (
	Base16 = 16
	Base10 = 10
)
View Source 
const (
	Limbs = fp.Limbs // number of 64 bits words needed to represent a Element
	Bits  = fp.Bits  // number of bits needed to represent a Element
	Bytes = fp.Bytes // number of bytes needed to represent a Element
)

Variables

View Source 
var One = Felt(fp.Element(
	[4]uint64{
		18446744073709551585,
		18446744073709551615,
		18446744073709551615,
		576460752303422960,
	},
))
View Source 
var Zero = Felt{}

Functions

func Equal added in v0.15.15 

func Equal[F FeltLike](a, b *F) bool

func FromBytes added in v0.14.3 

func FromBytes[F FeltLike](value []byte) F

FromBytes crates a new Felt based type given a byte array

func FromString added in v0.15.7 

func FromString[F FeltLike](value string) (F, error)

FromString crates a new Felt based type given a any string

func FromUint64 added in v0.14.3 

func FromUint64[F FeltLike](num uint64) F

FromUint64 creates a new Felt based type given an uint64

func IsZero added in v0.15.15 

func IsZero[F FeltLike](v *F) bool

func NewFromBytes added in v0.15.7 

func NewFromBytes[F FeltLike](val []byte) *F

NewFromBytes crates a new Felt based type given a byte array. Use this function with care since it forces a heap allocation. For efficient code use `FromBytes`

func NewFromString added in v0.15.7 

func NewFromString[F FeltLike](val string) (*F, error)

NewFromString crates a new Felt based type given a string. Use this function with care since it forces a heap allocation. For efficient code use `FromString`

func NewFromUint64 added in v0.15.7 

func NewFromUint64[F FeltLike](num uint64) *F

NewFromUint64 crates a new Felt based type given a uint64. Use this function with care since it forces a heap allocation. For efficient code use `FromUint64`

func NewRandom added in v0.15.7 

func NewRandom[F FeltLike]() *F

NewRandom creates a new random Felt based type. It also forces a heap allocation. For efficient code use `Random`

func NewUnsafeFromString added in v0.15.8 

func NewUnsafeFromString[F FeltLike](val string) *F

NewUnsafeFromString is similar to `NewFromString` but it panics instead of returning an error.

func Random added in v0.15.8 

func Random[F FeltLike]() F

Creates a new random Felt based type

func UnsafeFromString added in v0.15.7 

func UnsafeFromString[F FeltLike](value string) F

UnsafeFromString crates a new Felt based type given a any string. It panics if the string is not valid.

Types

type Address added in v0.15.7 

type Address Felt

func (*Address) Bytes added in v0.15.7 

func (a *Address) Bytes() [32]byte

func (*Address) Marshal added in v0.15.13 

func (a *Address) Marshal() []byte

func (Address) MarshalJSON added in v0.15.11 

func (a Address) MarshalJSON() ([]byte, error)

func (*Address) SetBytesCanonical added in v0.15.13 

func (a *Address) SetBytesCanonical(data []byte) error

func (*Address) String added in v0.15.7 

func (a *Address) String() string

func (*Address) Unmarshal added in v0.15.13 

func (a *Address) Unmarshal(e []byte)

func (*Address) UnmarshalJSON added in v0.15.11 

func (a *Address) UnmarshalJSON(data []byte) error

type CasmClassHash added in v0.15.10 

type CasmClassHash ClassHash

func (*CasmClassHash) Marshal added in v0.15.11 

func (h *CasmClassHash) Marshal() []byte

func (CasmClassHash) MarshalJSON added in v0.15.11 

func (h CasmClassHash) MarshalJSON() ([]byte, error)

func (*CasmClassHash) SetBytesCanonical added in v0.15.13 

func (h *CasmClassHash) SetBytesCanonical(data []byte) error

func (*CasmClassHash) String added in v0.15.10 

func (h *CasmClassHash) String() string

func (*CasmClassHash) Unmarshal added in v0.15.11 

func (h *CasmClassHash) Unmarshal(e []byte)

func (*CasmClassHash) UnmarshalJSON added in v0.15.11 

func (h *CasmClassHash) UnmarshalJSON(data []byte) error

type ClassHash added in v0.15.7 

type ClassHash Hash

func (*ClassHash) Marshal added in v0.15.11 

func (h *ClassHash) Marshal() []byte

func (ClassHash) MarshalJSON added in v0.15.11 

func (h ClassHash) MarshalJSON() ([]byte, error)

func (*ClassHash) SetBytesCanonical added in v0.15.13 

func (h *ClassHash) SetBytesCanonical(data []byte) error

func (*ClassHash) String added in v0.15.7 

func (h *ClassHash) String() string

func (*ClassHash) Unmarshal added in v0.15.11 

func (h *ClassHash) Unmarshal(e []byte)

func (*ClassHash) UnmarshalJSON added in v0.15.11 

func (h *ClassHash) UnmarshalJSON(data []byte) error

type Felt 

type Felt fp.Element

func (*Felt) Add 

func (z *Felt) Add(x, y *Felt) *Felt

Add forwards the call to underlying field element implementation

func (*Felt) BigInt 

func (z *Felt) BigInt(res *big.Int) *big.Int

BigInt forwards the call to underlying field element implementation

func (*Felt) Bits 

func (z *Felt) Bits() [4]uint64

Bits forwards the call to underlying field element implementation. Provides access to z by returning its value as a little-endian [4]uint64 array.

func (*Felt) Bytes 

func (z *Felt) Bytes() [32]byte

Bytes forwards the call to underlying field element implementation. Returns the value of z as a big-endian byte array

func (*Felt) Clone added in v0.9.3 

func (z *Felt) Clone() *Felt

TODO: look where this is used, the clone shouldn't return a pointer

func (*Felt) Cmp added in v0.2.1 

func (z *Felt) Cmp(x *Felt) int

Cmp forwards the call to underlying field element implementation. Returns: 

-1 if z <  x
 0 if z == x
+1 if z >  x

func (*Felt) Div added in v0.6.0 

func (z *Felt) Div(x, y *Felt) *Felt

Div forwards the call to underlying field element implementation

func (*Felt) Double added in v0.2.1 

func (z *Felt) Double(x *Felt) *Felt

Double forwards the call to underlying field element implementation

func (*Felt) Equal 

func (z *Felt) Equal(x *Felt) bool

Equal forwards the call to underlying field element implementation

func (*Felt) Exp added in v0.2.1 

func (z *Felt) Exp(x *Felt, y *big.Int) *Felt

Exp forwards the call to underlying field element implementation

func (*Felt) Halve 

func (z *Felt) Halve()

Halve forwards the call to underlying field element implementation

func (*Felt) Impl 

func (z *Felt) Impl() *fp.Element

Impl returns the underlying field element type

func (*Felt) IsOne 

func (z *Felt) IsOne() bool

IsOne forwards the call to underlying field element implementation

func (*Felt) IsZero 

func (z *Felt) IsZero() bool

IsZero forwards the call to underlying field element implementation

func (*Felt) Marshal 

func (z *Felt) Marshal() []byte

Marshal forwards the call to underlying field element implementation

func (*Felt) MarshalCBOR 

func (z *Felt) MarshalCBOR() ([]byte, error)

MarshalCBOR lets Felt be encoded in CBOR format with private `val`

func (Felt) MarshalJSON 

func (z Felt) MarshalJSON() ([]byte, error)

MarshalJSON forwards the call to underlying field element implementation. Uses a value receiver so encoding/json can call it on non-addressable values (e.g. struct fields inside a value stored in an `any` interface).

func (*Felt) Mul added in v0.2.1 

func (z *Felt) Mul(x, y *Felt) *Felt

Mul forwards the call to underlying field element implementation

func (*Felt) Neg added in v0.15.7 

func (z *Felt) Neg(x *Felt) *Felt

func (*Felt) Set 

func (z *Felt) Set(x *Felt) *Felt

Set forwards the call to underlying field element implementation

func (*Felt) SetBigInt added in v0.4.0 

func (z *Felt) SetBigInt(v *big.Int) *Felt

SetBigInt forwards the call to underlying field element implementation

func (*Felt) SetBytes 

func (z *Felt) SetBytes(e []byte) *Felt

SetBytes forwards the call to underlying field element implementation

func (*Felt) SetBytesCanonical added in v0.14.7 

func (z *Felt) SetBytesCanonical(e []byte) error

SetBytesCanonical forwards the call to underlying field element implementation

func (*Felt) SetRandom 

func (z *Felt) SetRandom() *Felt

SetRandom forwards the call to underlying field element implementation

func (*Felt) SetString 

func (z *Felt) SetString(number string) (*Felt, error)

SetString forwards the call to underlying field element implementation

func (*Felt) SetUint64 

func (z *Felt) SetUint64(v uint64) *Felt

SetUint64 forwards the call to underlying field element implementation

func (*Felt) ShortString 

func (z *Felt) ShortString() string

ShortString prints the felt to a string in a shortened format

func (*Felt) String 

func (z *Felt) String() string

String forwards the call to underlying field element implementation

func (*Felt) Sub added in v0.2.1 

func (z *Felt) Sub(x, y *Felt) *Felt

Sub forwards the call to underlying field element implementation

func (*Felt) Text 

func (z *Felt) Text(base int) string

Text forwards the call to underlying field element implementation

func (*Felt) Uint64 added in v0.4.0 

func (z *Felt) Uint64() uint64

Uint64 forwards the call to underlying field element implementation

func (*Felt) Unmarshal added in v0.13.0 

func (z *Felt) Unmarshal(e []byte)

Unmarshal forwards the call to underlying field element implementation

func (*Felt) UnmarshalCBOR 

func (z *Felt) UnmarshalCBOR(data []byte) error

UnmarshalCBOR lets Felt be decoded from CBOR format with private `val`

func (*Felt) UnmarshalJSON 

func (z *Felt) UnmarshalJSON(data []byte) error

UnmarshalJSON accepts only 0x-prefixed hexadecimal strings.

type FeltLike added in v0.15.7 

type FeltLike interface {
	~[4]uint64
}

Interface that represents all types that implement Felt as a sublying type E.g: Hash and Address

type Hash added in v0.15.7 

type Hash Felt

func (*Hash) Bytes added in v0.15.7 

func (h *Hash) Bytes() [32]byte

func (*Hash) Marshal added in v0.15.11 

func (h *Hash) Marshal() []byte

func (Hash) MarshalJSON added in v0.15.11 

func (h Hash) MarshalJSON() ([]byte, error)

func (*Hash) SetBytesCanonical added in v0.15.13 

func (h *Hash) SetBytesCanonical(data []byte) error

func (*Hash) String added in v0.15.7 

func (h *Hash) String() string

func (*Hash) Unmarshal added in v0.15.11 

func (h *Hash) Unmarshal(e []byte)

func (*Hash) UnmarshalJSON added in v0.15.11 

func (h *Hash) UnmarshalJSON(data []byte) error

type SierraClassHash added in v0.15.10 

type SierraClassHash ClassHash

func (*SierraClassHash) Marshal added in v0.15.11 

func (h *SierraClassHash) Marshal() []byte

func (SierraClassHash) MarshalJSON added in v0.15.11 

func (h SierraClassHash) MarshalJSON() ([]byte, error)

func (*SierraClassHash) SetBytesCanonical added in v0.15.13 

func (h *SierraClassHash) SetBytesCanonical(data []byte) error

func (*SierraClassHash) String added in v0.15.10 

func (h *SierraClassHash) String() string

func (*SierraClassHash) Unmarshal added in v0.15.11 

func (h *SierraClassHash) Unmarshal(e []byte)

func (*SierraClassHash) UnmarshalJSON added in v0.15.11 

func (h *SierraClassHash) UnmarshalJSON(data []byte) error

type StateRootHash added in v0.15.17 

type StateRootHash Hash

func (*StateRootHash) Marshal added in v0.15.17 

func (h *StateRootHash) Marshal() []byte

func (StateRootHash) MarshalJSON added in v0.15.17 

func (h StateRootHash) MarshalJSON() ([]byte, error)

func (*StateRootHash) SetBytesCanonical added in v0.15.17 

func (h *StateRootHash) SetBytesCanonical(data []byte) error

func (*StateRootHash) String added in v0.15.17 

func (h *StateRootHash) String() string

func (*StateRootHash) Unmarshal added in v0.15.17 

func (h *StateRootHash) Unmarshal(e []byte)

func (*StateRootHash) UnmarshalJSON added in v0.15.17 

func (h *StateRootHash) UnmarshalJSON(data []byte) error

type TransactionHash added in v0.15.7 

type TransactionHash Hash

func (*TransactionHash) Marshal added in v0.15.13 

func (h *TransactionHash) Marshal() []byte

func (TransactionHash) MarshalJSON added in v0.15.11 

func (h TransactionHash) MarshalJSON() ([]byte, error)

func (*TransactionHash) SetBytesCanonical added in v0.15.13 

func (h *TransactionHash) SetBytesCanonical(data []byte) error

func (*TransactionHash) String added in v0.15.7 

func (h *TransactionHash) String() string

func (*TransactionHash) Unmarshal added in v0.15.13 

func (h *TransactionHash) Unmarshal(e []byte)

func (*TransactionHash) UnmarshalJSON added in v0.15.11 

func (h *TransactionHash) UnmarshalJSON(data []byte) error

Source Files

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