// MakeAddress converts an account specified directly as a hex encoded string or // a key index in the key store to an internal account representation. func MakeAddress(accman *accounts.Manager, account string) (accounts.Account, error) { // If the specified account is a valid address, return it if common.IsHexAddress(account) { return accounts.Account{Address: common.HexToAddress(account)}, nil } // Otherwise try to interpret the account as a keystore index index, err := strconv.Atoi(account) if err != nil { return accounts.Account{}, fmt.Errorf("invalid account address or index %q", account) } return accman.AccountByIndex(index) }