/
address.go
180 lines (148 loc) · 4.54 KB
/
address.go
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package ltc
import (
"fmt"
"decred.org/dcrwallet/v3/errors"
"github.com/crypto-power/cryptopower/libwallet/utils"
"github.com/ltcsuite/ltcd/ltcutil"
)
// AddressInfo holds information about an address.
// If the address belongs to the querying wallet,
// IsMine will be true and the AccountNumber and
// AccountName values will be populated
type AddressInfo struct {
Address string
IsMine bool
AccountNumber uint32
AccountName string
}
// IsAddressValid checks if the provided address is valid.
func (asset *Asset) IsAddressValid(address string) bool {
_, err := ltcutil.DecodeAddress(address, asset.chainParams)
return err == nil
}
// HaveAddress checks if the provided address belongs to the wallet.
func (asset *Asset) HaveAddress(address string) bool {
if !asset.WalletOpened() {
return false
}
addr, err := ltcutil.DecodeAddress(address, asset.chainParams)
if err != nil {
log.Debugf("DecodeAddress failed: ", err)
return false
}
have, err := asset.Internal().LTC.HaveAddress(addr)
if err != nil {
log.Debugf("HaveAddress failed: ", err)
return false
}
return have
}
// AddressInfo returns information about an address.
func (asset *Asset) AddressInfo(address string) (*AddressInfo, error) {
const op errors.Op = "ltc.AddressInfo"
if !asset.WalletOpened() {
return nil, utils.ErrLTCNotInitialized
}
addr, err := ltcutil.DecodeAddress(address, asset.chainParams)
if err != nil {
return nil, err
}
addressInfo := &AddressInfo{
Address: address,
}
isMine, err := asset.Internal().LTC.HaveAddress(addr)
if err != nil {
log.Error(op, err)
}
if isMine {
addressInfo.IsMine = isMine
accountNumber, err := asset.Internal().LTC.AccountOfAddress(addr)
if err != nil {
return nil, err
}
addressInfo.AccountNumber = accountNumber
accountName, err := asset.AccountName(int32(accountNumber))
if err != nil {
return nil, err
}
addressInfo.AccountName = accountName
}
return addressInfo, nil
}
// CurrentAddress gets the most recently requested payment address from the
// asset. If that address has already been used to receive funds, the next
// chained address is returned.
func (asset *Asset) CurrentAddress(account int32) (string, error) {
if asset.IsRestored && !asset.ContainsDiscoveredAccounts() {
return "", errors.E(utils.ErrAddressDiscoveryNotDone)
}
if !asset.WalletOpened() {
return "", utils.ErrLTCNotInitialized
}
addr, err := asset.Internal().LTC.CurrentAddress(uint32(account), GetScope())
if err != nil {
log.Errorf("CurrentAddress error: %v", err)
return "", err
}
return addr.String(), nil
}
// NextAddress returns the address immediately following the last requested
// payment address. If that address has already been used to receive funds,
// the next chained address is returned.
func (asset *Asset) NextAddress(account int32) (string, error) {
if asset.IsRestored && !asset.ContainsDiscoveredAccounts() {
return "", errors.E(utils.ErrAddressDiscoveryNotDone)
}
if !asset.WalletOpened() {
return "", utils.ErrLTCNotInitialized
}
// NewAddress returns the next external chained address for a wallet.
address, err := asset.Internal().LTC.NewAddress(uint32(account), GetScope())
if err != nil {
log.Errorf("NewExternalAddress error: %w", err)
return "", err
}
return address.String(), nil
}
// AccountOfAddress returns the account name of the provided address.
func (asset *Asset) AccountOfAddress(address string) (string, error) {
addr, err := ltcutil.DecodeAddress(address, asset.chainParams)
if err != nil {
return "", utils.TranslateError(err)
}
if !asset.WalletOpened() {
return "", utils.ErrLTCNotInitialized
}
accountNumber, err := asset.Internal().LTC.AccountOfAddress(addr)
if err != nil {
return "", utils.TranslateError(err)
}
accountName, err := asset.AccountName(int32(accountNumber))
if err != nil {
return "", err
}
return accountName, nil
}
// AddressPubKey returns the public key of the provided address.
func (asset *Asset) AddressPubKey(address string) (string, error) {
addr, err := ltcutil.DecodeAddress(address, asset.chainParams)
if err != nil {
return "", err
}
if !asset.WalletOpened() {
return "", utils.ErrLTCNotInitialized
}
isMine, _ := asset.Internal().LTC.HaveAddress(addr)
if !isMine {
return "", fmt.Errorf("address does not belong to the wallet")
}
pubKey, err := asset.Internal().LTC.PubKeyForAddress(addr)
if err != nil {
return "", err
}
pubKeyAddr, err := ltcutil.NewAddressPubKey(pubKey.SerializeCompressed(), asset.chainParams)
if err != nil {
return "", err
}
return pubKeyAddr.String(), nil
}