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wallet.go
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wallet.go
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package api
import (
"encoding/hex"
"errors"
"github.com/qlcchain/go-qlc/vm/vmstore"
"go.uber.org/zap"
"github.com/qlcchain/go-qlc/common/types"
"github.com/qlcchain/go-qlc/ledger"
"github.com/qlcchain/go-qlc/log"
"github.com/qlcchain/go-qlc/vm/contract/abi"
"github.com/qlcchain/go-qlc/wallet"
)
type WalletApi struct {
wallet *wallet.WalletStore
ledger *ledger.Ledger
logger *zap.SugaredLogger
}
func NewWalletApi(l *ledger.Ledger, wallet *wallet.WalletStore) *WalletApi {
return &WalletApi{ledger: l, wallet: wallet, logger: log.NewLogger("api_wallet")}
}
// GetBalance returns balance for each token of the wallet
func (w *WalletApi) GetBalances(address types.Address, passphrase string) (map[string]types.Balance, error) {
session := w.wallet.NewSession(address)
b, err := session.VerifyPassword(passphrase)
if err != nil {
return nil, err
}
if !b {
return nil, errors.New("password is invalid")
}
balances, err := session.GetBalances()
if err != nil {
return nil, err
}
cache := make(map[string]types.Balance)
vmContext := vmstore.NewVMContext(w.ledger)
for token, balance := range balances {
info, err := abi.GetTokenById(vmContext, token)
if err != nil {
return nil, err
}
cache[info.TokenName] = balance
}
return cache, nil
}
func (w *WalletApi) GetRawKey(address types.Address, passphrase string) (map[string]string, error) {
session := w.wallet.NewSession(address)
b, err := session.VerifyPassword(passphrase)
if err != nil {
return nil, err
}
if !b {
return nil, errors.New("password is invalid")
}
acc, err := session.GetRawKey(address)
if err != nil {
return nil, err
}
r := make(map[string]string)
r["pubKey"] = hex.EncodeToString(acc.Address().Bytes())
r["privKey"] = hex.EncodeToString(acc.PrivateKey())
return r, nil
}
// NewSeed generates new seed
func (w *WalletApi) NewSeed() (string, error) {
seed, err := types.NewSeed()
if err != nil {
return "", err
}
return hex.EncodeToString(seed[:]), nil
}
// NewWallet creates wallet from hex seed string and passphrase ,
// seed string it is a optional parameter, if not set, will create seed randomly
func (w *WalletApi) NewWallet(passphrase string, seed *string) (types.Address, error) {
var seedStr string
if seed == nil {
new, err := types.NewSeed()
if err != nil {
return types.ZeroAddress, err
}
seedStr = new.String()
} else {
seedStr = *seed
}
//w.logger.Debug(seedStr)
return w.wallet.NewWalletBySeed(seedStr, passphrase)
}
func (w *WalletApi) List() ([]types.Address, error) {
addrs, err := w.wallet.WalletIds()
if err != nil {
return nil, err
}
return addrs, nil
}
func (w *WalletApi) Remove(addr types.Address) error {
return w.wallet.RemoveWallet(addr)
}
func (w *WalletApi) ChangePassword(addr types.Address, pwd string, newPwd string) error {
session := w.wallet.NewSession(addr)
b, err := session.VerifyPassword(pwd)
if err != nil {
return err
}
if !b {
return errors.New("password is invalid")
}
err = session.ChangePassword(newPwd)
if err != nil {
return err
}
return nil
}