transfer

type Blockchain interface {
	GetAddress(password string, blockchainName blockchain.BlockchainName) (string, error)
	Transfer(password string, token blockchain.Token, to string, amount *big.Int) (string, error)
	Lookup(token blockchain.Token, txHash string) (UpdateReceipt, error)
}

type Storage interface {
	PutTransfer(receipt TransferReceipt) error
	Transfers() ([]TransferReceipt, error)
}

type TokenDetails struct {
	To     string              `json:"to"`
	From   string              `json:"from"`
	Token  blockchain.Token    `json:"token"`
	Amount string              `json:"value"`
	TxCost blockchain.CostBlob `json:"txCost"`
	TxHash string              `json:"txHash"`
}

type TransferReceipt struct {
	Confirmations int64  `json:"confirmations"`
	Timestamp     int64  `json:"timestamp"`
	PasswordHash  string `json:"passwordHash,omitempty"`
	TokenDetails
}

type TransferReceiptMap map[string]TransferReceipt

type TransferRequest struct {
	Password string
	Token    blockchain.Token
	To       string
	Amount   *big.Int
	TxCost   blockchain.Cost
}

type UpdateReceipt struct {
	TxHash string
	Update func(*TransferReceipt)
}