rename wallet to lnwallet

lnwallet/reservation.go

@@ -0,0 +1,143 @@
+package wallet
+
+import (
+	"sync"
+
+	"github.com/btcsuite/btcd/btcec"
+	"github.com/btcsuite/btcd/wire"
+	"github.com/btcsuite/btcutil"
+)
+
+// ChannelReservation...
+type ChannelReservation struct {
+	FundingType FundingType
+
+	FundingAmount btcutil.Amount
+	ReserveAmount btcutil.Amount
+	MinFeePerKb   btcutil.Amount
+
+	sync.RWMutex // All fields below owned by the lnwallet.
+
+	theirInputs []*wire.TxIn
+	ourInputs   []*wire.TxIn
+
+	theirChange []*wire.TxOut
+	ourChange   []*wire.TxOut
+
+	ourKey   *btcec.PrivateKey
+	theirKey *btcec.PublicKey
+
+	// In order of sorted inputs. Sorting is done in accordance
+	// to BIP-69: https://github.com/bitcoin/bips/blob/master/bip-0069.mediawiki.
+	theirSigs [][]byte
+	ourSigs   [][]byte
+
+	normalizedTxID wire.ShaHash
+
+	fundingTx *wire.MsgTx
+	// TODO(roasbef): time locks, who pays fee etc.
+	// TODO(roasbeef): record Bob's ln-ID?
+
+	completedFundingTx *btcutil.Tx
+
+	reservationID uint64
+	wallet        *LightningWallet
+
+	chanOpen chan *LightningChannel
+}
+
+// newChannelReservation...
+func newChannelReservation(t FundingType, fundingAmt btcutil.Amount,
+	minFeeRate btcutil.Amount, wallet *LightningWallet, id uint64) *ChannelReservation {
+	return &ChannelReservation{
+		FundingType:   t,
+		FundingAmount: fundingAmt,
+		MinFeePerKb:   minFeeRate,
+		wallet:        wallet,
+		reservationID: id,
+	}
+}
+
+// OurFunds...
+func (r *ChannelReservation) OurFunds() ([]*wire.TxIn, []*wire.TxOut, *btcec.PublicKey) {
+	r.RLock()
+	defer r.RUnlock()
+	return r.ourInputs, r.ourChange, r.ourKey.PubKey()
+}
+
+// AddCounterPartyFunds...
+func (r *ChannelReservation) AddFunds(theirInputs []*wire.TxIn, theirChangeOutputs []*wire.TxOut, multiSigKey *btcec.PublicKey) error {
+	errChan := make(chan error, 1)
+
+	r.wallet.msgChan <- &addCounterPartyFundsMsg{
+		pendingFundingID:   r.reservationID,
+		theirInputs:        theirInputs,
+		theirChangeOutputs: theirChangeOutputs,
+		theirKey:           multiSigKey,
+		err:                errChan,
+	}
+
+	return <-errChan
+}
+
+// OurSigs...
+func (r *ChannelReservation) OurSigs() [][]byte {
+	r.RLock()
+	defer r.RUnlock()
+	return r.ourSigs
+}
+
+// TheirFunds...
+// TODO(roasbeef): return error if accessors not yet populated?
+func (r *ChannelReservation) TheirFunds() ([]*wire.TxIn, []*wire.TxOut, *btcec.PublicKey) {
+	r.RLock()
+	defer r.RUnlock()
+	return r.theirInputs, r.theirChange, r.theirKey
+}
+
+// CompleteFundingReservation...
+func (r *ChannelReservation) CompleteReservation(theirSigs [][]byte) error {
+	errChan := make(chan error, 1)
+
+	r.wallet.msgChan <- &addCounterPartySigsMsg{
+		pendingFundingID: r.reservationID,
+		theirSigs:        theirSigs,
+		err:              errChan,
+	}
+
+	return <-errChan
+}
+
+// FinalFundingTransaction...
+func (r *ChannelReservation) FinalFundingTx() *btcutil.Tx {
+	r.RLock()
+	defer r.RUnlock()
+	return r.completedFundingTx
+}
+
+// RequestFundingReserveCancellation...
+// TODO(roasbeef): also return mutated state?
+func (r *ChannelReservation) Cancel() error {
+	errChan := make(chan error, 1)
+	r.wallet.msgChan <- &fundingReserveCancelMsg{
+		pendingFundingID: r.reservationID,
+		err:              errChan,
+	}
+
+	return <-errChan
+}
+
+// WaitForChannelOpen...
+func (r *ChannelReservation) WaitForChannelOpen() *LightningChannel {
+	return nil
+}
+
+// * finish reset of tests
+// * comment out stuff that'll need a node.
+// * start on commitment side
+//   * implement rusty's shachain
+//   * set up logic to get notification from node when funding tx gets 6 deep.
+//     * prob spawn into ChainNotifier struct
+//   * create builder for initial funding transaction
+//     * fascade through the wallet, for signing and such.
+//   * channel should have active namespace to it's bucket, query at that point fo past commits etc