wallet

package

v0.0.0-...-1b5cee2 Latest Latest Go to latest Published: May 15, 2023 License: GPL-3.0 Imports: 8 Imported by: 0

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type Helper struct{}

Helper provides wallet helper functionalities without knowing about wallet private and public keys.

func NewVerifier() Helper

NewVerifier creates new wallet Helper verifier.

func (h Helper) AddressToPubKey(address string) (ed25519.PublicKey, error)

AddressToPubKey creates ED25519 public key from address, or returns error otherwise.

func (h Helper) Verify(message, signature []byte, hash [32]byte, address string) error

Verify verifies if message is signed by given key and hash is equal.

type Wallet struct {
	Private ed25519.PrivateKey `json:"private" bson:"private"`
	Public  ed25519.PublicKey  `json:"public" bson:"public"`
}

Wallet holds public and private key of the wallet owner.

func DecodeGOBWallet(data []byte) (Wallet, error)

DecodeGOBWallet tries to decode Wallet from gob representation or returns error otherwise.

func New() (Wallet, error)

New tries to creates a new Wallet or returns error otherwise.

func (w *Wallet) Address() string

Address creates address from the public key that contains wallet version and checksum.

func (w *Wallet) ChecksumLength() int

ChecksumLength returns checksum length.

func (w *Wallet) EncodeGOB() ([]byte, error)

EncodeGOB tries to encodes Wallet in to the gob representation or returns error otherwise.

func (w *Wallet) Sign(message []byte) (digest [32]byte, signature []byte)

Sign signs the message with Ed25519 signature. Returns digest hash sha256 and signature.

func (w *Wallet) Verify(message, signature []byte, hash [32]byte) bool

Verify verifies message ED25519 signature and hash. Uses hashing sha256.

func (w *Wallet) Version() byte

Version returns wallet version.