56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
|
package btcwallet
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/hex"
|
||
|
|
|
||
|
|
"github.com/roasbeef/btcd/wire"
|
||
|
|
)
|
||
|
|
|
||
|
|
// GetCurrentHeight returns the current height of the known block within the
|
||
|
|
// main chain.
|
||
|
|
//
|
||
|
|
// This method is a part of the lnwallet.BlockChainIO interface.
|
||
|
|
func (b *BtcWallet) GetCurrentHeight() (int32, error) {
|
||
|
|
_, height, err := b.rpc.GetBestBlock()
|
||
|
|
if err != nil {
|
||
|
|
return 0, err
|
||
|
|
}
|
||
|
|
|
||
|
|
return height, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetTxOut returns the original output referenced by the passed outpoint.
|
||
|
|
//
|
||
|
|
// This method is a part of the lnwallet.BlockChainIO interface.
|
||
|
|
func (b *BtcWallet) GetUtxo(txid *wire.ShaHash, index uint32) (*wire.TxOut, error) {
|
||
|
|
txout, err := b.rpc.GetTxOut(txid, index, false)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
pkScript, err := hex.DecodeString(txout.ScriptPubKey.Hex)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
return &wire.TxOut{
|
||
|
|
// Sadly, gettxout returns the output value in BTC
|
||
|
|
// instead of satoshis.
|
||
|
|
Value: int64(txout.Value) * 1e8,
|
||
|
|
PkScript: pkScript,
|
||
|
|
}, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetTransaction returns the full transaction identified by the passed
|
||
|
|
// transaction ID.
|
||
|
|
//
|
||
|
|
// This method is a part of the lnwallet.BlockChainIO interface.
|
||
|
|
func (b *BtcWallet) GetTransaction(txid *wire.ShaHash) (*wire.MsgTx, error) {
|
||
|
|
tx, err := b.rpc.GetRawTransaction(txid)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
return tx.MsgTx(), nil
|
||
|
|
}
|