types

type Address string

type Balance uint64

type Block struct {
	Timestamp    int64         `json:"timestamp"`
	LastHash     string        `json:"lastHash"`
	Hash         string        `json:"hash"`
	Transactions []Transaction `json:"transactions"`
	Difficulty   uint64        `json:"difficulty"`
	Nonce        int           `json:"nonce"`
}

type Input struct {
	Address Address `json:"address"`
	Amount  uint64  `json:"amount"`
}

type Output struct {
	Address Address `json:"address"`
	Amount  uint64  `json:"amount"`
}

type Signature struct {
	R *big.Int `json:"r"`
	S *big.Int `json:"s"`
}

type Signer interface {
	Sign([]byte) (Signature, error)
}

type Transaction struct {
	ID        uuid.UUID `json:"id"`
	Input     Input     `json:"input"`
	Outputs   []Output  `json:"outputs"`
	Signature Signature `json:"signature"`
}

type Wallet struct {
	Address    Address          `json:"address"`
	PublicKey  ecdsa.PublicKey  `json:"publicKey"`
	PrivateKey ecdsa.PrivateKey `json:"privateKey"`
	Balance    Balance          `json:"balance"`
}