write completed funding tx to disk

* Will move to buckets specific to LNID’s in the future
This commit is contained in:
Olaoluwa Osuntokun 2015-12-02 16:51:21 -08:00
parent 92ff9a6bd5
commit ad8a7cf2f2

@ -1,6 +1,9 @@
package wallet
import (
"bytes"
"encoding/binary"
"encoding/hex"
"errors"
"fmt"
"math"
@ -32,12 +35,18 @@ var (
waddrmgrNamespaceKey = []byte("waddrmgr")
wtxmgrNamespaceKey = []byte("wtxmgr")
openChannelBucket = []byte("o-chans")
closedChannelBucket = []byte("c-chans")
fundingTxKey = []byte("funding")
// Error types
ErrInsufficientFunds = errors.New("not enough available outputs to " +
"create funding transaction")
// Which bitcoin network are we using?
ActiveNetParams = &chaincfg.TestNet3Params
endian = binary.BigEndian
)
type FundingType uint16
@ -578,27 +587,41 @@ func (l *LightningWallet) handleFundingCounterPartySigs(msg *addCounterPartySigs
}
}
// TODO(roasbeef): write the funding transaction to disk
// * funding transaction bucket
// * then accessed according to non-recursive normalized txid?
// * also possibly add reverse mapping
// Now that all signatures are in place and valid record the regular txid
//completedReservation := &finalizedFundingState{
// FundingTxId: pendingReservation.fundingTx.TxSha(),
// NormalizedFundingTXID: pendingReservation.normalizedTxID,
// CompletedFundingTx: btcutil.NewTx(pendingReservation.fundingTx),
//}
// Now that all signatures are in place, and valid record the regular txid.
pendingReservation.completedFundingTx = btcutil.NewTx(pendingReservation.fundingTx)
// Add the complete funding transactions to the TxStore for our records.
//l.wallet.TxStore.InsertTx(
txID := pendingReservation.fundingTx.TxSha()
l.limboMtx.Lock()
delete(l.fundingLimbo, pendingReservation.reservationID)
l.limboMtx.Unlock()
msg.err <- nil
// Add the complete funding transaction to the DB, in it's open bucket
// which will be used for the lifetime of this channel.
writeErr := l.lnNamespace.Update(func(tx walletdb.Tx) error {
// Get the bucket dedicated to storing the meta-data for open
// channels.
rootBucket := tx.RootBucket()
openChanBucket, err := rootBucket.CreateBucketIfNotExists(openChannelBucket)
if err != nil {
return err
}
// Create a new sub-bucket within the open channel bucket
// specifically for this channel.
// TODO(roasbeef): should def be indexed by LNID
chanBucket, err := openChanBucket.CreateBucketIfNotExists(txID.Bytes())
if err != nil {
return err
}
// TODO(roasbeef): sync.Pool of buffers in the future.
var buf bytes.Buffer
fundingTx.Serialize(&buf)
return chanBucket.Put(fundingTxKey, buf.Bytes())
})
// TODO(roasbeef): broadcast now?
msg.err <- writeErr
}
// nextMultiSigKey...