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walletcontroller.go
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/
walletcontroller.go
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package mock
import (
"encoding/hex"
"sync/atomic"
"time"
"github.com/btcsuite/btcd/btcec/v2"
"github.com/btcsuite/btcd/btcutil"
"github.com/btcsuite/btcd/btcutil/hdkeychain"
"github.com/btcsuite/btcd/btcutil/psbt"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/btcwallet/waddrmgr"
base "github.com/btcsuite/btcwallet/wallet"
"github.com/btcsuite/btcwallet/wallet/txauthor"
"github.com/btcsuite/btcwallet/wtxmgr"
"github.com/monasuite/lnd/lnwallet"
"github.com/monasuite/lnd/lnwallet/chainfee"
)
var (
CoinPkScript, _ = hex.DecodeString("001431df1bde03c074d0cf21ea2529427e1499b8f1de")
)
// WalletController is a mock implementation of the WalletController
// interface. It let's us mock the interaction with the bitcoin network.
type WalletController struct {
RootKey *btcec.PrivateKey
PublishedTransactions chan *wire.MsgTx
index uint32
Utxos []*lnwallet.Utxo
}
// BackEnd returns "mock" to signify a mock wallet controller.
func (w *WalletController) BackEnd() string {
return "mock"
}
// FetchInputInfo will be called to get info about the inputs to the funding
// transaction.
func (w *WalletController) FetchInputInfo(
prevOut *wire.OutPoint) (*lnwallet.Utxo, error) {
utxo := &lnwallet.Utxo{
AddressType: lnwallet.WitnessPubKey,
Value: 10 * btcutil.SatoshiPerBitcoin,
PkScript: []byte("dummy"),
Confirmations: 1,
OutPoint: *prevOut,
}
return utxo, nil
}
// ScriptForOutput returns the address, witness program and redeem script for a
// given UTXO. An error is returned if the UTXO does not belong to our wallet or
// it is not a managed pubKey address.
func (w *WalletController) ScriptForOutput(*wire.TxOut) (
waddrmgr.ManagedPubKeyAddress, []byte, []byte, error) {
return nil, nil, nil, nil
}
// ConfirmedBalance currently returns dummy values.
func (w *WalletController) ConfirmedBalance(int32, string) (btcutil.Amount,
error) {
return 0, nil
}
// NewAddress is called to get new addresses for delivery, change etc.
func (w *WalletController) NewAddress(lnwallet.AddressType, bool,
string) (btcutil.Address, error) {
addr, _ := btcutil.NewAddressPubKey(
w.RootKey.PubKey().SerializeCompressed(), &chaincfg.MainNetParams,
)
return addr, nil
}
// LastUnusedAddress currently returns dummy values.
func (w *WalletController) LastUnusedAddress(lnwallet.AddressType,
string) (btcutil.Address, error) {
return nil, nil
}
// IsOurAddress currently returns a dummy value.
func (w *WalletController) IsOurAddress(btcutil.Address) bool {
return false
}
// AddressInfo currently returns a dummy value.
func (w *WalletController) AddressInfo(
btcutil.Address) (waddrmgr.ManagedAddress, error) {
return nil, nil
}
// ListAccounts currently returns a dummy value.
func (w *WalletController) ListAccounts(string,
*waddrmgr.KeyScope) ([]*waddrmgr.AccountProperties, error) {
return nil, nil
}
// RequiredReserve currently returns a dummy value.
func (w *WalletController) RequiredReserve(uint32) btcutil.Amount {
return 0
}
// ImportAccount currently returns a dummy value.
func (w *WalletController) ImportAccount(string, *hdkeychain.ExtendedKey,
uint32, *waddrmgr.AddressType, bool) (*waddrmgr.AccountProperties,
[]btcutil.Address, []btcutil.Address, error) {
return nil, nil, nil, nil
}
// ImportPublicKey currently returns a dummy value.
func (w *WalletController) ImportPublicKey(*btcec.PublicKey,
waddrmgr.AddressType) error {
return nil
}
// SendOutputs currently returns dummy values.
func (w *WalletController) SendOutputs([]*wire.TxOut,
chainfee.SatPerKWeight, int32, string) (*wire.MsgTx, error) {
return nil, nil
}
// CreateSimpleTx currently returns dummy values.
func (w *WalletController) CreateSimpleTx([]*wire.TxOut,
chainfee.SatPerKWeight, int32, bool) (*txauthor.AuthoredTx, error) {
return nil, nil
}
// ListUnspentWitness is called by the wallet when doing coin selection. We just
// need one unspent for the funding transaction.
func (w *WalletController) ListUnspentWitness(int32, int32,
string) ([]*lnwallet.Utxo, error) {
// If the mock already has a list of utxos, return it.
if w.Utxos != nil {
return w.Utxos, nil
}
// Otherwise create one to return.
utxo := &lnwallet.Utxo{
AddressType: lnwallet.WitnessPubKey,
Value: btcutil.Amount(10 * btcutil.SatoshiPerBitcoin),
PkScript: CoinPkScript,
OutPoint: wire.OutPoint{
Hash: chainhash.Hash{},
Index: w.index,
},
}
atomic.AddUint32(&w.index, 1)
var ret []*lnwallet.Utxo
ret = append(ret, utxo)
return ret, nil
}
// ListTransactionDetails currently returns dummy values.
func (w *WalletController) ListTransactionDetails(int32, int32,
string) ([]*lnwallet.TransactionDetail, error) {
return nil, nil
}
// LockOutpoint currently does nothing.
func (w *WalletController) LockOutpoint(o wire.OutPoint) {}
// UnlockOutpoint currently does nothing.
func (w *WalletController) UnlockOutpoint(o wire.OutPoint) {}
// LeaseOutput returns the current time and a nil error.
func (w *WalletController) LeaseOutput(wtxmgr.LockID, wire.OutPoint,
time.Duration) (time.Time, []byte, btcutil.Amount, error) {
return time.Now(), nil, 0, nil
}
// ReleaseOutput currently does nothing.
func (w *WalletController) ReleaseOutput(wtxmgr.LockID, wire.OutPoint) error {
return nil
}
func (w *WalletController) ListLeasedOutputs() ([]*base.ListLeasedOutputResult,
error) {
return nil, nil
}
// FundPsbt currently does nothing.
func (w *WalletController) FundPsbt(*psbt.Packet, int32, chainfee.SatPerKWeight,
string) (int32, error) {
return 0, nil
}
// SignPsbt currently does nothing.
func (w *WalletController) SignPsbt(*psbt.Packet) error {
return nil
}
// FinalizePsbt currently does nothing.
func (w *WalletController) FinalizePsbt(_ *psbt.Packet, _ string) error {
return nil
}
// PublishTransaction sends a transaction to the PublishedTransactions chan.
func (w *WalletController) PublishTransaction(tx *wire.MsgTx, _ string) error {
w.PublishedTransactions <- tx
return nil
}
// LabelTransaction currently does nothing.
func (w *WalletController) LabelTransaction(chainhash.Hash, string,
bool) error {
return nil
}
// SubscribeTransactions currently does nothing.
func (w *WalletController) SubscribeTransactions() (lnwallet.TransactionSubscription,
error) {
return nil, nil
}
// IsSynced currently returns dummy values.
func (w *WalletController) IsSynced() (bool, int64, error) {
return true, int64(0), nil
}
// GetRecoveryInfo currently returns dummy values.
func (w *WalletController) GetRecoveryInfo() (bool, float64, error) {
return true, float64(1), nil
}
// Start currently does nothing.
func (w *WalletController) Start() error {
return nil
}
// Stop currently does nothing.
func (w *WalletController) Stop() error {
return nil
}
func (w *WalletController) FetchTx(chainhash.Hash) (*wire.MsgTx, error) {
return nil, nil
}
func (w *WalletController) RemoveDescendants(*wire.MsgTx) error {
return nil
}