lnwallet: update interface-level wallet tests for new funding flow
This commit updates the prior set of interface-level wallet tests to exercise the new funding workflow, and also to switch to utilizing two wallet instances throughout the tests. This allows us to abandon the dependency on the bobNode struct.
This commit is contained in:
Olaoluwa Osuntokun
parent
5dc0b407f3
commit
30b1cbc1fd
@ -207,9 +207,24 @@ func createTestWallet(tempTestDir string, miningNode *rpctest.Harness,
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return nil, err
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}
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estimator := lnwallet.StaticFeeEstimator{FeeRate: 250}
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wallet, err := lnwallet.NewLightningWallet(cdb, notifier, wc, signer,
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bio, estimator, netParams)
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cfg := lnwallet.Config{
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Database: cdb,
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Notifier: notifier,
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WalletController: wc,
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Signer: signer,
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ChainIO: bio,
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FeeEstimator: lnwallet.StaticFeeEstimator{FeeRate: 250},
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DefaultConstraints: channeldb.ChannelConstraints{
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DustLimit: 500,
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MaxPendingAmount: btcutil.Amount(btcutil.SatoshiPerBitcoin) * 100,
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ChanReserve: 100,
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MinHTLC: 400,
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MaxAcceptedHtlcs: 900,
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},
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NetParams: *netParams,
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}
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wallet, err := lnwallet.NewLightningWallet(cfg)
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if err != nil {
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return nil, err
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}
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@ -226,146 +241,164 @@ func createTestWallet(tempTestDir string, miningNode *rpctest.Harness,
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return wallet, nil
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}
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func testDualFundingReservationWorkflow(miner *rpctest.Harness, wallet *lnwallet.LightningWallet, t *testing.T) {
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t.Log("Running dual reservation workflow test")
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func testDualFundingReservationWorkflow(miner *rpctest.Harness,
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alice, bob *lnwallet.LightningWallet, t *testing.T) {
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// Create the bob-test wallet which will be the other side of our funding
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// channel.
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fundingAmount := btcutil.Amount(5 * 1e8)
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bobNode, err := newBobNode(miner, fundingAmount)
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if err != nil {
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t.Fatalf("unable to create bob node: %v", err)
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}
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const fundingAmount = btcutil.Amount(5 * 1e8)
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// Bob initiates a channel funded with 5 BTC for each side, so 10
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// BTC total. He also generates 2 BTC in change.
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feePerWeight := btcutil.Amount(wallet.FeeEstimator.EstimateFeePerWeight(1))
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// In this scenario, we'll test a dual funder reservation, with each
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// side putting in 10 BTC.
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// Alice initiates a channel funded with 5 BTC for each side, so 10 BTC
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// total. She also generates 2 BTC in change.
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feePerWeight := btcutil.Amount(alice.Cfg.FeeEstimator.EstimateFeePerWeight(1))
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feePerKw := feePerWeight * 1000
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chanReservation, err := wallet.InitChannelReservation(fundingAmount*2,
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fundingAmount, bobNode.id, bobAddr, numReqConfs, 4,
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lnwallet.DefaultDustLimit(), 0, feePerKw)
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aliceChanReservation, err := alice.InitChannelReservation(
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fundingAmount*2, fundingAmount, 0, feePerKw,
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bobPub, bobAddr, chainHash)
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if err != nil {
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t.Fatalf("unable to initialize funding reservation: %v", err)
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}
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aliceChanReservation.SetNumConfsRequired(numReqConfs)
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aliceChanReservation.RequireLocalDelay(csvDelay)
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// The channel reservation should now be populated with a multi-sig key
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// from our HD chain, a change output with 3 BTC, and 2 outputs
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// selected of 4 BTC each. Additionally, the rest of the items needed
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// to fulfill a funding contribution should also have been filled in.
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ourContribution := chanReservation.OurContribution()
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if len(ourContribution.Inputs) != 2 {
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aliceContribution := aliceChanReservation.OurContribution()
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if len(aliceContribution.Inputs) != 2 {
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t.Fatalf("outputs for funding tx not properly selected, have %v "+
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"outputs should have 2", len(ourContribution.Inputs))
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"outputs should have 2", len(aliceContribution.Inputs))
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}
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if ourContribution.MultiSigKey == nil {
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t.Fatalf("alice's key for multi-sig not found")
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assertContributionInitPopulated(t, aliceContribution)
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// Bob does the same, generating his own contribution. He then also
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// receives' Alice's contribution, and consumes that so we can continue
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// the funding process.
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bobChanReservation, err := bob.InitChannelReservation(fundingAmount*2,
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fundingAmount, 0, feePerKw, alicePub, aliceAddr,
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chainHash)
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if err != nil {
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t.Fatalf("bob unable to init channel reservation: %v", err)
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}
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if ourContribution.CommitKey == nil {
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t.Fatalf("alice's key for commit not found")
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bobChanReservation.RequireLocalDelay(csvDelay)
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bobChanReservation.SetNumConfsRequired(numReqConfs)
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assertContributionInitPopulated(t, bobChanReservation.OurContribution())
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err = bobChanReservation.ProcessContribution(aliceContribution)
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if err != nil {
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t.Fatalf("bob unable to process alice's contribution: %v", err)
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}
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if ourContribution.DeliveryAddress == nil {
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t.Fatalf("alice's final delivery address not found")
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assertContributionInitPopulated(t, bobChanReservation.TheirContribution())
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bobContribution := bobChanReservation.OurContribution()
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// Bob then sends over his contribution, which will be consumed by
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// Alice. After this phase, Alice should have all the necessary
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// material required to craft the funding transaction and commitment
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// transactions.
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err = aliceChanReservation.ProcessContribution(bobContribution)
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if err != nil {
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t.Fatalf("alice unable to process bob's contribution: %v", err)
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}
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if ourContribution.CsvDelay == 0 {
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t.Fatalf("csv delay not set")
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assertContributionInitPopulated(t, aliceChanReservation.TheirContribution())
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// At this point, all Alice's signatures should be fully populated.
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aliceFundingSigs, aliceCommitSig := aliceChanReservation.OurSignatures()
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if aliceFundingSigs == nil {
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t.Fatalf("alice's funding signatures not populated")
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}
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if aliceCommitSig == nil {
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t.Fatalf("alice's commit signatures not populated")
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}
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// Bob sends over his output, change addr, pub keys, initial revocation,
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// final delivery address, and his accepted csv delay for the
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// commitment transactions.
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bobContribution := bobNode.Contribution(ourContribution.CommitKey)
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if err := chanReservation.ProcessContribution(bobContribution); err != nil {
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t.Fatalf("unable to add bob's funds to the funding tx: %v", err)
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// Additionally, Bob's signatures should also be fully populated.
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bobFundingSigs, bobCommitSig := bobChanReservation.OurSignatures()
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if bobFundingSigs == nil {
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t.Fatalf("bob's funding signatures not populated")
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}
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if bobCommitSig == nil {
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t.Fatalf("bob's commit signatures not populated")
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}
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// At this point, the reservation should have our signatures, and a
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// partial funding transaction (missing bob's sigs).
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theirContribution := chanReservation.TheirContribution()
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ourFundingSigs, ourCommitSig := chanReservation.OurSignatures()
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if len(ourFundingSigs) != 2 {
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t.Fatalf("only %v of our sigs present, should have 2",
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len(ourFundingSigs))
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// To concludes, we'll consume first Alice's signatures with Bob, and
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// then the other way around.
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_, err = aliceChanReservation.CompleteReservation(
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bobFundingSigs, bobCommitSig,
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)
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if err != nil {
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t.Fatalf("unable to consume alice's sigs: %v", err)
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}
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if ourCommitSig == nil {
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t.Fatalf("commitment sig not found")
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}
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if ourContribution.RevocationKey == nil {
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t.Fatalf("alice's revocation key not found")
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_, err = bobChanReservation.CompleteReservation(
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aliceFundingSigs, aliceCommitSig,
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)
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if err != nil {
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t.Fatalf("unable to consume bob's sigs: %v", err)
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}
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// Additionally, the funding tx should have been populated.
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fundingTx := chanReservation.FinalFundingTx()
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// At this point, the funding tx should have been populated.
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fundingTx := aliceChanReservation.FinalFundingTx()
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if fundingTx == nil {
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t.Fatalf("funding transaction never created!")
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}
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// Their funds should also be filled in.
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if len(theirContribution.Inputs) != 1 {
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t.Fatalf("bob's outputs for funding tx not properly selected, have %v "+
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"outputs should have 2", len(theirContribution.Inputs))
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}
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if theirContribution.ChangeOutputs[0].Value != 2e8 {
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t.Fatalf("bob should have one change output with value 2e8"+
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"satoshis, is instead %v",
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theirContribution.ChangeOutputs[0].Value)
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}
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if theirContribution.MultiSigKey == nil {
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t.Fatalf("bob's key for multi-sig not found")
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}
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if theirContribution.CommitKey == nil {
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t.Fatalf("bob's key for commit tx not found")
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}
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if theirContribution.DeliveryAddress == nil {
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t.Fatalf("bob's final delivery address not found")
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}
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if theirContribution.RevocationKey == nil {
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t.Fatalf("bob's revocaiton key not found")
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}
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// TODO(roasbeef): account for current hard-coded commit fee,
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// need to remove bob all together
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chanCapacity := int64(10e8)
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// Alice responds with her output, change addr, multi-sig key and signatures.
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// Bob then responds with his signatures.
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bobsSigs, err := bobNode.signFundingTx(fundingTx)
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if err != nil {
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t.Fatalf("unable to sign inputs for bob: %v", err)
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}
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commitSig, err := bobNode.signCommitTx(
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chanReservation.LocalCommitTx(),
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chanReservation.FundingRedeemScript(),
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chanCapacity)
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if err != nil {
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t.Fatalf("bob is unable to sign alice's commit tx: %v", err)
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}
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_, err = chanReservation.CompleteReservation(bobsSigs, commitSig)
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if err != nil {
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t.Fatalf("unable to complete funding tx: %v", err)
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}
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// The resulting active channel state should have been persisted to the DB.
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// The resulting active channel state should have been persisted to the
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// DB.
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fundingSha := fundingTx.TxHash()
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channels, err := wallet.ChannelDB.FetchOpenChannels(bobNode.id)
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aliceChannels, err := alice.Cfg.Database.FetchOpenChannels(bobPub)
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if err != nil {
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t.Fatalf("unable to retrieve channel from DB: %v", err)
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}
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if !bytes.Equal(channels[0].FundingOutpoint.Hash[:], fundingSha[:]) {
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if !bytes.Equal(aliceChannels[0].FundingOutpoint.Hash[:], fundingSha[:]) {
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t.Fatalf("channel state not properly saved")
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}
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if aliceChannels[0].ChanType != channeldb.DualFunder {
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t.Fatalf("channel not detected as dual funder")
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}
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bobChannels, err := bob.Cfg.Database.FetchOpenChannels(alicePub)
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if err != nil {
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t.Fatalf("unable to retrieve channel from DB: %v", err)
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}
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if !bytes.Equal(bobChannels[0].FundingOutpoint.Hash[:], fundingSha[:]) {
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t.Fatalf("channel state not properly saved")
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}
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if bobChannels[0].ChanType != channeldb.DualFunder {
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t.Fatalf("channel not detected as dual funder")
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}
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// Mine a single block, the funding transaction should be included
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// within this block.
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blockHashes, err := miner.Node.Generate(1)
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if err != nil {
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t.Fatalf("unable to generate block: %v", err)
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}
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block, err := miner.Node.GetBlock(blockHashes[0])
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if err != nil {
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t.Fatalf("unable to find block: %v", err)
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}
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if len(block.Transactions) != 2 {
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t.Fatalf("funding transaction wasn't mined: %v", err)
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}
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blockTx := block.Transactions[1]
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if blockTx.TxHash() != fundingSha {
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t.Fatalf("incorrect transaction was mined")
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}
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assertReservationDeleted(aliceChanReservation, t)
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assertReservationDeleted(bobChanReservation, t)
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}
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func testFundingTransactionLockedOutputs(miner *rpctest.Harness,
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wallet *lnwallet.LightningWallet, t *testing.T) {
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t.Log("Running funding txn locked outputs test")
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alice, _ *lnwallet.LightningWallet, t *testing.T) {
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// Create a single channel asking for 16 BTC total.
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fundingAmount := btcutil.Amount(8 * 1e8)
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feePerWeight := btcutil.Amount(wallet.FeeEstimator.EstimateFeePerWeight(1))
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feePerWeight := btcutil.Amount(alice.Cfg.FeeEstimator.EstimateFeePerWeight(1))
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feePerKw := feePerWeight * 1000
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_, err := wallet.InitChannelReservation(fundingAmount, fundingAmount,
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testPub, bobAddr, numReqConfs, 4, lnwallet.DefaultDustLimit(),
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0, feePerKw)
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_, err := alice.InitChannelReservation(fundingAmount,
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fundingAmount, 0, feePerKw, bobPub, bobAddr, chainHash)
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if err != nil {
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t.Fatalf("unable to initialize funding reservation 1: %v", err)
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}
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@ -374,9 +407,8 @@ func testFundingTransactionLockedOutputs(miner *rpctest.Harness,
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// requesting 900 BTC. We only have around 64BTC worth of outpoints
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// that aren't locked, so this should fail.
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amt := btcutil.Amount(900 * 1e8)
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failedReservation, err := wallet.InitChannelReservation(amt, amt,
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testPub, bobAddr, numReqConfs, 4, lnwallet.DefaultDustLimit(),
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0, feePerKw)
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failedReservation, err := alice.InitChannelReservation(amt, amt, 0,
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feePerKw, bobPub, bobAddr, chainHash)
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if err == nil {
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t.Fatalf("not error returned, should fail on coin selection")
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}
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@ -389,26 +421,22 @@ func testFundingTransactionLockedOutputs(miner *rpctest.Harness,
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}
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func testFundingCancellationNotEnoughFunds(miner *rpctest.Harness,
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wallet *lnwallet.LightningWallet, t *testing.T) {
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alice, _ *lnwallet.LightningWallet, t *testing.T) {
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t.Log("Running funding insufficient funds tests")
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feePerWeight := btcutil.Amount(wallet.FeeEstimator.EstimateFeePerWeight(1))
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feePerWeight := btcutil.Amount(alice.Cfg.FeeEstimator.EstimateFeePerWeight(1))
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feePerKw := feePerWeight * 1000
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// Create a reservation for 44 BTC.
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fundingAmount := btcutil.Amount(44 * 1e8)
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chanReservation, err := wallet.InitChannelReservation(fundingAmount,
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fundingAmount, testPub, bobAddr, numReqConfs, 4,
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lnwallet.DefaultDustLimit(), 0, feePerKw)
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chanReservation, err := alice.InitChannelReservation(fundingAmount,
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fundingAmount, 0, feePerKw, bobPub, bobAddr, chainHash)
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if err != nil {
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t.Fatalf("unable to initialize funding reservation: %v", err)
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}
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// Attempt to create another channel with 44 BTC, this should fail.
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_, err = wallet.InitChannelReservation(fundingAmount,
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fundingAmount, testPub, bobAddr, numReqConfs, 4,
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lnwallet.DefaultDustLimit(), 0, feePerKw)
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_, err = alice.InitChannelReservation(fundingAmount,
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fundingAmount, 0, feePerKw, bobPub, bobAddr, chainHash)
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if _, ok := err.(*lnwallet.ErrInsufficientFunds); !ok {
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t.Fatalf("coin selection succeded should have insufficient funds: %v",
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err)
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@ -420,14 +448,14 @@ func testFundingCancellationNotEnoughFunds(miner *rpctest.Harness,
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}
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// Those outpoints should no longer be locked.
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lockedOutPoints := wallet.LockedOutpoints()
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lockedOutPoints := alice.LockedOutpoints()
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if len(lockedOutPoints) != 0 {
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t.Fatalf("outpoints still locked")
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}
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// Reservation ID should no longer be tracked.
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numReservations := wallet.ActiveReservations()
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if len(wallet.ActiveReservations()) != 0 {
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numReservations := alice.ActiveReservations()
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if len(alice.ActiveReservations()) != 0 {
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t.Fatalf("should have 0 reservations, instead have %v",
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numReservations)
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}
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@ -437,343 +465,268 @@ func testFundingCancellationNotEnoughFunds(miner *rpctest.Harness,
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// attempting coin selection.
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// Request to fund a new channel should now succeed.
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_, err = wallet.InitChannelReservation(fundingAmount, fundingAmount,
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testPub, bobAddr, numReqConfs, 4, lnwallet.DefaultDustLimit(),
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0, feePerKw)
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_, err = alice.InitChannelReservation(fundingAmount, fundingAmount, 0,
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feePerKw, bobPub, bobAddr, chainHash)
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if err != nil {
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t.Fatalf("unable to initialize funding reservation: %v", err)
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}
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}
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func testCancelNonExistantReservation(miner *rpctest.Harness,
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wallet *lnwallet.LightningWallet, t *testing.T) {
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alice, _ *lnwallet.LightningWallet, t *testing.T) {
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t.Log("Running cancel reservation tests")
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feeRate := btcutil.Amount(alice.Cfg.FeeEstimator.EstimateFeePerWeight(1))
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feeRate := btcutil.Amount(wallet.FeeEstimator.EstimateFeePerWeight(1))
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// Create our own reservation, give it some ID.
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res := lnwallet.NewChannelReservation(1000, 1000, feeRate, wallet,
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22, numReqConfs, 10)
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res := lnwallet.NewChannelReservation(1000, 1000, feeRate, alice,
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22, 10, &testHdSeed)
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// Attempt to cancel this reservation. This should fail, we know
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// nothing of it.
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if err := res.Cancel(); err == nil {
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t.Fatalf("cancelled non-existant reservation")
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t.Fatalf("cancelled non-existent reservation")
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}
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}
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func testSingleFunderReservationWorkflowInitiator(miner *rpctest.Harness,
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wallet *lnwallet.LightningWallet, t *testing.T) {
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func assertContributionInitPopulated(t *testing.T, c *lnwallet.ChannelContribution) {
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_, _, line, _ := runtime.Caller(1)
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t.Log("Running single funder workflow initiator test")
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// For this scenario, we (lnwallet) will be the channel initiator while bob
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// will be the recipient.
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// Create the bob-test wallet which will be the other side of our funding
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// channel.
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bobNode, err := newBobNode(miner, 0)
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if err != nil {
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t.Fatalf("unable to create bob node: %v", err)
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if c.FirstCommitmentPoint == nil {
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||||
t.Fatalf("line #%v: commitment point not fond", line)
|
||||
}
|
||||
|
||||
// Initialize a reservation for a channel with 4 BTC funded solely by
|
||||
// us. We'll also initially push 1 BTC of the channel towards Bob's
|
||||
// side.
|
||||
if c.CsvDelay == 0 {
|
||||
t.Fatalf("line #%v: csv delay not set", line)
|
||||
}
|
||||
|
||||
if c.MultiSigKey == nil {
|
||||
t.Fatalf("line #%v: multi-sig key not set", line)
|
||||
}
|
||||
if c.RevocationBasePoint == nil {
|
||||
t.Fatalf("line #%v: revocation key not set", line)
|
||||
}
|
||||
if c.PaymentBasePoint == nil {
|
||||
t.Fatalf("line #%v: payment key not set", line)
|
||||
}
|
||||
if c.DelayBasePoint == nil {
|
||||
t.Fatalf("line #%v: delay key not set", line)
|
||||
}
|
||||
|
||||
if c.DustLimit == 0 {
|
||||
t.Fatalf("line #%v: dust limit not set", line)
|
||||
}
|
||||
if c.MaxPendingAmount == 0 {
|
||||
t.Fatalf("line #%v: max pending amt not set", line)
|
||||
}
|
||||
if c.ChanReserve == 0 {
|
||||
// TODO(roasbeef): need to follow up and ensure reserve set to
|
||||
// fraction
|
||||
t.Fatalf("line #%v: chan reserve not set", line)
|
||||
}
|
||||
if c.MinHTLC == 0 {
|
||||
t.Fatalf("line #%v: min htlc not set", line)
|
||||
}
|
||||
if c.MaxAcceptedHtlcs == 0 {
|
||||
t.Fatalf("line #%v: max accepted htlc's not set", line)
|
||||
}
|
||||
}
|
||||
|
||||
func testSingleFunderReservationWorkflow(miner *rpctest.Harness,
|
||||
alice, bob *lnwallet.LightningWallet, t *testing.T) {
|
||||
|
||||
// For this scenario, Alice will be the channel initiator while bob
|
||||
// will act as the responder to the workflow.
|
||||
|
||||
// First, Alice will Initialize a reservation for a channel with 4 BTC
|
||||
// funded solely by us. We'll also initially push 1 BTC of the channel
|
||||
// towards Bob's side.
|
||||
fundingAmt := btcutil.Amount(4 * 1e8)
|
||||
pushAmt := btcutil.Amount(btcutil.SatoshiPerBitcoin)
|
||||
feePerWeight := btcutil.Amount(wallet.FeeEstimator.EstimateFeePerWeight(1))
|
||||
feePerWeight := btcutil.Amount(alice.Cfg.FeeEstimator.EstimateFeePerWeight(1))
|
||||
feePerKw := feePerWeight * 1000
|
||||
chanReservation, err := wallet.InitChannelReservation(fundingAmt,
|
||||
fundingAmt, bobNode.id, bobAddr, numReqConfs, 4,
|
||||
lnwallet.DefaultDustLimit(), pushAmt, feePerKw)
|
||||
aliceChanReservation, err := alice.InitChannelReservation(fundingAmt,
|
||||
fundingAmt, pushAmt, feePerKw, bobPub, bobAddr, chainHash)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to init channel reservation: %v", err)
|
||||
}
|
||||
aliceChanReservation.SetNumConfsRequired(numReqConfs)
|
||||
aliceChanReservation.RequireLocalDelay(csvDelay)
|
||||
|
||||
// Verify all contribution fields have been set properly.
|
||||
ourContribution := chanReservation.OurContribution()
|
||||
if len(ourContribution.Inputs) < 1 {
|
||||
aliceContribution := aliceChanReservation.OurContribution()
|
||||
if len(aliceContribution.Inputs) < 1 {
|
||||
t.Fatalf("outputs for funding tx not properly selected, have %v "+
|
||||
"outputs should at least 1", len(ourContribution.Inputs))
|
||||
"outputs should at least 1", len(aliceContribution.Inputs))
|
||||
}
|
||||
if len(ourContribution.ChangeOutputs) != 1 {
|
||||
if len(aliceContribution.ChangeOutputs) != 1 {
|
||||
t.Fatalf("coin selection failed, should have one change outputs, "+
|
||||
"instead have: %v", len(ourContribution.ChangeOutputs))
|
||||
}
|
||||
if ourContribution.MultiSigKey == nil {
|
||||
t.Fatalf("alice's key for multi-sig not found")
|
||||
}
|
||||
if ourContribution.CommitKey == nil {
|
||||
t.Fatalf("alice's key for commit not found")
|
||||
}
|
||||
if ourContribution.DeliveryAddress == nil {
|
||||
t.Fatalf("alice's final delivery address not found")
|
||||
}
|
||||
if ourContribution.CsvDelay == 0 {
|
||||
t.Fatalf("csv delay not set")
|
||||
"instead have: %v", len(aliceContribution.ChangeOutputs))
|
||||
}
|
||||
aliceContribution.CsvDelay = csvDelay
|
||||
assertContributionInitPopulated(t, aliceContribution)
|
||||
|
||||
// At this point bob now responds to our request with a response
|
||||
// containing his channel contribution. The contribution will have no
|
||||
// inputs, only a multi-sig key, csv delay, etc.
|
||||
bobContribution := bobNode.SingleContribution(ourContribution.CommitKey)
|
||||
if err := chanReservation.ProcessContribution(bobContribution); err != nil {
|
||||
t.Fatalf("unable to add bob's contribution: %v", err)
|
||||
// Next, Bob receives the initial request, generates a corresponding
|
||||
// reservation initiation, then consume Alice's contribution.
|
||||
bobChanReservation, err := bob.InitChannelReservation(fundingAmt, 0,
|
||||
pushAmt, feePerKw, alicePub, aliceAddr, chainHash)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to create bob reservation: %v", err)
|
||||
}
|
||||
bobChanReservation.RequireLocalDelay(csvDelay)
|
||||
bobChanReservation.SetNumConfsRequired(numReqConfs)
|
||||
|
||||
// At this point, the reservation should have our signatures, and a
|
||||
// partial funding transaction (missing bob's sigs).
|
||||
theirContribution := chanReservation.TheirContribution()
|
||||
ourFundingSigs, ourCommitSig := chanReservation.OurSignatures()
|
||||
if ourFundingSigs == nil {
|
||||
// We'll ensure that Bob's contribution also gets generated properly.
|
||||
bobContribution := bobChanReservation.OurContribution()
|
||||
bobContribution.CsvDelay = csvDelay
|
||||
assertContributionInitPopulated(t, bobContribution)
|
||||
|
||||
// With his contribution generated, he can now process Alice's
|
||||
// contribution.
|
||||
err = bobChanReservation.ProcessSingleContribution(aliceContribution)
|
||||
if err != nil {
|
||||
t.Fatalf("bob unable to process alice's contribution: %v", err)
|
||||
}
|
||||
assertContributionInitPopulated(t, bobChanReservation.TheirContribution())
|
||||
|
||||
// Bob will next send over his contribution to Alice, we simulate this
|
||||
// by having Alice immediately process his contribution.
|
||||
err = aliceChanReservation.ProcessContribution(bobContribution)
|
||||
if err != nil {
|
||||
t.Fatalf("alice unable to process bob's contribution")
|
||||
}
|
||||
assertContributionInitPopulated(t, bobChanReservation.TheirContribution())
|
||||
|
||||
// At this point, Alice should have generated all the signatures
|
||||
// required for the funding transaction, as well as Alice's commitment
|
||||
// signature to bob.
|
||||
aliceRemoteContribution := aliceChanReservation.TheirContribution()
|
||||
aliceFundingSigs, aliceCommitSig := aliceChanReservation.OurSignatures()
|
||||
if aliceFundingSigs == nil {
|
||||
t.Fatalf("funding sigs not found")
|
||||
}
|
||||
if ourCommitSig == nil {
|
||||
if aliceCommitSig == nil {
|
||||
t.Fatalf("commitment sig not found")
|
||||
}
|
||||
// Additionally, the funding tx should have been populated.
|
||||
if chanReservation.FinalFundingTx() == nil {
|
||||
|
||||
// Additionally, the funding tx and the funding outpoint should have
|
||||
// been populated.
|
||||
if aliceChanReservation.FinalFundingTx() == nil {
|
||||
t.Fatalf("funding transaction never created!")
|
||||
}
|
||||
if aliceChanReservation.FundingOutpoint() == nil {
|
||||
t.Fatalf("funding outpoint never created!")
|
||||
}
|
||||
|
||||
// Their funds should also be filled in.
|
||||
if len(theirContribution.Inputs) != 0 {
|
||||
if len(aliceRemoteContribution.Inputs) != 0 {
|
||||
t.Fatalf("bob shouldn't have any inputs, instead has %v",
|
||||
len(theirContribution.Inputs))
|
||||
len(aliceRemoteContribution.Inputs))
|
||||
}
|
||||
if len(theirContribution.ChangeOutputs) != 0 {
|
||||
if len(aliceRemoteContribution.ChangeOutputs) != 0 {
|
||||
t.Fatalf("bob shouldn't have any change outputs, instead "+
|
||||
"has %v", theirContribution.ChangeOutputs[0].Value)
|
||||
}
|
||||
if ourContribution.RevocationKey == nil {
|
||||
t.Fatalf("alice's revocation hash not found")
|
||||
}
|
||||
if theirContribution.MultiSigKey == nil {
|
||||
t.Fatalf("bob's key for multi-sig not found")
|
||||
}
|
||||
if theirContribution.CommitKey == nil {
|
||||
t.Fatalf("bob's key for commit tx not found")
|
||||
}
|
||||
if theirContribution.DeliveryAddress == nil {
|
||||
t.Fatalf("bob's final delivery address not found")
|
||||
}
|
||||
if theirContribution.RevocationKey == nil {
|
||||
t.Fatalf("bob's revocation hash not found")
|
||||
"has %v",
|
||||
aliceRemoteContribution.ChangeOutputs[0].Value)
|
||||
}
|
||||
|
||||
// With this contribution processed, we're able to create the
|
||||
// funding+commitment transactions, as well as generate a signature
|
||||
// for bob's version of the commitment transaction.
|
||||
//
|
||||
// Now Bob can generate a signature for our version of the commitment
|
||||
// transaction, allowing us to complete the reservation.
|
||||
bobCommitSig, err := bobNode.signCommitTx(
|
||||
chanReservation.LocalCommitTx(),
|
||||
chanReservation.FundingRedeemScript(),
|
||||
// TODO(roasbeef): account for current hard-coded fee, need to
|
||||
// remove bobNode entirely
|
||||
int64(fundingAmt))
|
||||
// Next, Alice will send over her signature for Bob's commitment
|
||||
// transaction, as well as the funding outpoint.
|
||||
fundingPoint := aliceChanReservation.FundingOutpoint()
|
||||
_, err = bobChanReservation.CompleteReservationSingle(
|
||||
fundingPoint, aliceCommitSig,
|
||||
)
|
||||
if err != nil {
|
||||
t.Fatalf("bob is unable to sign alice's commit tx: %v", err)
|
||||
}
|
||||
if _, err := chanReservation.CompleteReservation(nil, bobCommitSig); err != nil {
|
||||
t.Fatalf("unable to complete funding tx: %v", err)
|
||||
t.Fatalf("bob unable to consume single reservation: %v", err)
|
||||
}
|
||||
|
||||
// TODO(roasbeef): verify our sig for bob's once sighash change is
|
||||
// merged.
|
||||
// Finally, we'll conclude the reservation process by sending over
|
||||
// Bob's commitment signature, which is the final thing Alice needs to
|
||||
// be able to safely broadcast the funding transaction.
|
||||
_, bobCommitSig := bobChanReservation.OurSignatures()
|
||||
if bobCommitSig == nil {
|
||||
t.Fatalf("bob failed to generate commitment signature: %v", err)
|
||||
}
|
||||
_, err = aliceChanReservation.CompleteReservation(
|
||||
nil, bobCommitSig,
|
||||
)
|
||||
if err != nil {
|
||||
t.Fatalf("alice unable to complete reservation: %v", err)
|
||||
}
|
||||
|
||||
// The resulting active channel state should have been persisted to the DB.
|
||||
// TODO(roasbeef): de-duplicate
|
||||
fundingTx := chanReservation.FinalFundingTx()
|
||||
// The resulting active channel state should have been persisted to the
|
||||
// DB for both Alice and Bob.
|
||||
fundingTx := aliceChanReservation.FinalFundingTx()
|
||||
fundingSha := fundingTx.TxHash()
|
||||
channels, err := wallet.ChannelDB.FetchOpenChannels(bobNode.id)
|
||||
aliceChannels, err := alice.Cfg.Database.FetchOpenChannels(bobPub)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to retrieve channel from DB: %v", err)
|
||||
}
|
||||
if !bytes.Equal(channels[0].FundingOutpoint.Hash[:], fundingSha[:]) {
|
||||
if len(aliceChannels) != 1 {
|
||||
t.Fatalf("alice didn't save channel state: %v", err)
|
||||
}
|
||||
if !bytes.Equal(aliceChannels[0].FundingOutpoint.Hash[:], fundingSha[:]) {
|
||||
t.Fatalf("channel state not properly saved: %v vs %v",
|
||||
hex.EncodeToString(channels[0].FundingOutpoint.Hash[:]),
|
||||
hex.EncodeToString(aliceChannels[0].FundingOutpoint.Hash[:]),
|
||||
hex.EncodeToString(fundingSha[:]))
|
||||
}
|
||||
if !channels[0].IsInitiator {
|
||||
if !aliceChannels[0].IsInitiator {
|
||||
t.Fatalf("alice not detected as channel initiator")
|
||||
}
|
||||
if channels[0].ChanType != channeldb.SingleFunder {
|
||||
if aliceChannels[0].ChanType != channeldb.SingleFunder {
|
||||
t.Fatalf("channel type is incorrect, expected %v instead got %v",
|
||||
channeldb.SingleFunder, channels[0].ChanType)
|
||||
channeldb.SingleFunder, aliceChannels[0].ChanType)
|
||||
}
|
||||
|
||||
assertReservationDeleted(chanReservation, t)
|
||||
bobChannels, err := bob.Cfg.Database.FetchOpenChannels(alicePub)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to retrieve channel from DB: %v", err)
|
||||
}
|
||||
if len(bobChannels) != 1 {
|
||||
t.Fatalf("bob didn't save channel state: %v", err)
|
||||
}
|
||||
if !bytes.Equal(bobChannels[0].FundingOutpoint.Hash[:], fundingSha[:]) {
|
||||
t.Fatalf("channel state not properly saved: %v vs %v",
|
||||
hex.EncodeToString(bobChannels[0].FundingOutpoint.Hash[:]),
|
||||
hex.EncodeToString(fundingSha[:]))
|
||||
}
|
||||
if bobChannels[0].IsInitiator {
|
||||
t.Fatalf("bob not detected as channel responder")
|
||||
}
|
||||
if bobChannels[0].ChanType != channeldb.SingleFunder {
|
||||
t.Fatalf("channel type is incorrect, expected %v instead got %v",
|
||||
channeldb.SingleFunder, bobChannels[0].ChanType)
|
||||
}
|
||||
|
||||
// Mine a single block, the funding transaction should be included
|
||||
// within this block.
|
||||
blockHashes, err := miner.Node.Generate(1)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to generate block: %v", err)
|
||||
}
|
||||
block, err := miner.Node.GetBlock(blockHashes[0])
|
||||
if err != nil {
|
||||
t.Fatalf("unable to find block: %v", err)
|
||||
}
|
||||
if len(block.Transactions) != 2 {
|
||||
t.Fatalf("funding transaction wasn't mined: %v", err)
|
||||
}
|
||||
blockTx := block.Transactions[1]
|
||||
if blockTx.TxHash() != fundingSha {
|
||||
t.Fatalf("incorrect transaction was mined")
|
||||
}
|
||||
|
||||
assertReservationDeleted(aliceChanReservation, t)
|
||||
assertReservationDeleted(bobChanReservation, t)
|
||||
}
|
||||
|
||||
func testSingleFunderReservationWorkflowResponder(miner *rpctest.Harness,
|
||||
wallet *lnwallet.LightningWallet, t *testing.T) {
|
||||
|
||||
t.Log("Running single funder workflow responder test")
|
||||
|
||||
// For this scenario, bob will initiate the channel, while we simply act as
|
||||
// the responder.
|
||||
capacity := btcutil.Amount(4 * 1e8)
|
||||
|
||||
// Create the bob-test wallet which will be initiator of a single
|
||||
// funder channel shortly.
|
||||
bobNode, err := newBobNode(miner, capacity)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to create bob node: %v", err)
|
||||
}
|
||||
|
||||
// Bob sends over a single funding request, so we allocate our
|
||||
// contribution and the necessary resources.
|
||||
fundingAmt := btcutil.Amount(0)
|
||||
feePerWeight := btcutil.Amount(wallet.FeeEstimator.EstimateFeePerWeight(1))
|
||||
feePerKw := feePerWeight * 1000
|
||||
chanReservation, err := wallet.InitChannelReservation(capacity,
|
||||
fundingAmt, bobNode.id, bobAddr, numReqConfs, 4,
|
||||
lnwallet.DefaultDustLimit(), 0, feePerKw)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to init channel reservation: %v", err)
|
||||
}
|
||||
|
||||
// Verify all contribution fields have been set properly. Since we are
|
||||
// the recipient of a single-funder channel, we shouldn't have selected
|
||||
// any coins or generated any change outputs.
|
||||
ourContribution := chanReservation.OurContribution()
|
||||
if len(ourContribution.Inputs) != 0 {
|
||||
t.Fatalf("outputs for funding tx not properly selected, have %v "+
|
||||
"outputs should have 0", len(ourContribution.Inputs))
|
||||
}
|
||||
if len(ourContribution.ChangeOutputs) != 0 {
|
||||
t.Fatalf("coin selection failed, should have no change outputs, "+
|
||||
"instead have: %v", ourContribution.ChangeOutputs[0].Value)
|
||||
}
|
||||
if ourContribution.MultiSigKey == nil {
|
||||
t.Fatalf("alice's key for multi-sig not found")
|
||||
}
|
||||
if ourContribution.CommitKey == nil {
|
||||
t.Fatalf("alice's key for commit not found")
|
||||
}
|
||||
if ourContribution.DeliveryAddress == nil {
|
||||
t.Fatalf("alice's final delivery address not found")
|
||||
}
|
||||
if ourContribution.CsvDelay == 0 {
|
||||
t.Fatalf("csv delay not set")
|
||||
}
|
||||
|
||||
// Next we process Bob's single funder contribution which doesn't
|
||||
// include any inputs or change addresses, as only Bob will construct
|
||||
// the funding transaction.
|
||||
bobContribution := bobNode.Contribution(ourContribution.CommitKey)
|
||||
bobContribution.DustLimit = lnwallet.DefaultDustLimit()
|
||||
if err := chanReservation.ProcessSingleContribution(bobContribution); err != nil {
|
||||
t.Fatalf("unable to process bob's contribution: %v", err)
|
||||
}
|
||||
if chanReservation.FinalFundingTx() != nil {
|
||||
t.Fatalf("funding transaction populated!")
|
||||
}
|
||||
if len(bobContribution.Inputs) != 1 {
|
||||
t.Fatalf("bob shouldn't have one inputs, instead has %v",
|
||||
len(bobContribution.Inputs))
|
||||
}
|
||||
if ourContribution.RevocationKey == nil {
|
||||
t.Fatalf("alice's revocation key not found")
|
||||
}
|
||||
if len(bobContribution.ChangeOutputs) != 1 {
|
||||
t.Fatalf("bob shouldn't have one change output, instead "+
|
||||
"has %v", len(bobContribution.ChangeOutputs))
|
||||
}
|
||||
if bobContribution.MultiSigKey == nil {
|
||||
t.Fatalf("bob's key for multi-sig not found")
|
||||
}
|
||||
if bobContribution.CommitKey == nil {
|
||||
t.Fatalf("bob's key for commit tx not found")
|
||||
}
|
||||
if bobContribution.DeliveryAddress == nil {
|
||||
t.Fatalf("bob's final delivery address not found")
|
||||
}
|
||||
if bobContribution.RevocationKey == nil {
|
||||
t.Fatalf("bob's revocaiton key not found")
|
||||
}
|
||||
|
||||
fundingRedeemScript, multiOut, err := lnwallet.GenFundingPkScript(
|
||||
ourContribution.MultiSigKey.SerializeCompressed(),
|
||||
bobContribution.MultiSigKey.SerializeCompressed(),
|
||||
// TODO(roasbeef): account for hard-coded fee, remove bob node
|
||||
int64(capacity))
|
||||
if err != nil {
|
||||
t.Fatalf("unable to generate multi-sig output: %v", err)
|
||||
}
|
||||
|
||||
// At this point, we send Bob our contribution, allowing him to
|
||||
// construct the funding transaction, and sign our version of the
|
||||
// commitment transaction.
|
||||
fundingTx := wire.NewMsgTx(1)
|
||||
fundingTx.AddTxIn(bobNode.availableOutputs[0])
|
||||
fundingTx.AddTxOut(bobNode.changeOutputs[0])
|
||||
fundingTx.AddTxOut(multiOut)
|
||||
txsort.InPlaceSort(fundingTx)
|
||||
if _, err := bobNode.signFundingTx(fundingTx); err != nil {
|
||||
t.Fatalf("unable to generate bob's funding sigs: %v", err)
|
||||
}
|
||||
|
||||
// Locate the output index of the 2-of-2 in order to send back to the
|
||||
// wallet so it can finalize the transaction by signing bob's commitment
|
||||
// transaction.
|
||||
fundingTxID := fundingTx.TxHash()
|
||||
_, multiSigIndex := lnwallet.FindScriptOutputIndex(fundingTx, multiOut.PkScript)
|
||||
fundingOutpoint := wire.NewOutPoint(&fundingTxID, multiSigIndex)
|
||||
bobObsfucator := bobNode.obsfucator
|
||||
|
||||
// Next, manually create Alice's commitment transaction, signing the
|
||||
// fully sorted and state hinted transaction.
|
||||
fundingTxIn := wire.NewTxIn(fundingOutpoint, nil, nil)
|
||||
|
||||
aliceCommitTx, err := lnwallet.CreateCommitTx(fundingTxIn,
|
||||
ourContribution.CommitKey, bobContribution.CommitKey,
|
||||
ourContribution.RevocationKey, ourContribution.CsvDelay, 0,
|
||||
capacity-calcStaticFee(0), lnwallet.DefaultDustLimit())
|
||||
if err != nil {
|
||||
t.Fatalf("unable to create alice's commit tx: %v", err)
|
||||
}
|
||||
txsort.InPlaceSort(aliceCommitTx)
|
||||
err = lnwallet.SetStateNumHint(aliceCommitTx, 0, bobObsfucator)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to set state hint: %v", err)
|
||||
}
|
||||
bobCommitSig, err := bobNode.signCommitTx(aliceCommitTx,
|
||||
// TODO(roasbeef): account for hard-coded fee, remove bob node
|
||||
fundingRedeemScript, int64(capacity))
|
||||
if err != nil {
|
||||
t.Fatalf("unable to sign alice's commit tx: %v", err)
|
||||
}
|
||||
|
||||
// With this stage complete, Alice can now complete the reservation.
|
||||
bobRevokeKey := bobContribution.RevocationKey
|
||||
_, err = chanReservation.CompleteReservationSingle(bobRevokeKey,
|
||||
fundingOutpoint, bobCommitSig, bobObsfucator)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to complete reservation: %v", err)
|
||||
}
|
||||
|
||||
// Alice should have saved the funding output.
|
||||
if chanReservation.FundingOutpoint() != fundingOutpoint {
|
||||
t.Fatalf("funding outputs don't match: %#v vs %#v",
|
||||
chanReservation.FundingOutpoint(), fundingOutpoint)
|
||||
}
|
||||
|
||||
// TODO(roasbeef): bob verify alice's sig
|
||||
assertReservationDeleted(chanReservation, t)
|
||||
}
|
||||
|
||||
func testListTransactionDetails(miner *rpctest.Harness, wallet *lnwallet.LightningWallet, t *testing.T) {
|
||||
t.Log("Running list transaction details test")
|
||||
func testListTransactionDetails(miner *rpctest.Harness,
|
||||
alice, _ *lnwallet.LightningWallet, t *testing.T) {
|
||||
|
||||
// Create 5 new outputs spendable by the wallet.
|
||||
const numTxns = 5
|
||||
const outputAmt = btcutil.SatoshiPerBitcoin
|
||||
txids := make(map[chainhash.Hash]struct{})
|
||||
for i := 0; i < numTxns; i++ {
|
||||
addr, err := wallet.NewAddress(lnwallet.WitnessPubKey, false)
|
||||
addr, err := alice.NewAddress(lnwallet.WitnessPubKey, false)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to create new address: %v", err)
|
||||
}
|
||||
@ -803,7 +756,7 @@ func testListTransactionDetails(miner *rpctest.Harness, wallet *lnwallet.Lightni
|
||||
// Next, fetch all the current transaction details.
|
||||
// TODO(roasbeef): use ntfn client here instead?
|
||||
time.Sleep(time.Second * 2)
|
||||
txDetails, err := wallet.ListTransactionDetails()
|
||||
txDetails, err := alice.ListTransactionDetails()
|
||||
if err != nil {
|
||||
t.Fatalf("unable to fetch tx details: %v", err)
|
||||
}
|
||||
@ -843,7 +796,7 @@ func testListTransactionDetails(miner *rpctest.Harness, wallet *lnwallet.Lightni
|
||||
t.Fatalf("unable to make output script: %v", err)
|
||||
}
|
||||
burnOutput := wire.NewTxOut(outputAmt, outputScript)
|
||||
burnTXID, err := wallet.SendOutputs([]*wire.TxOut{burnOutput})
|
||||
burnTXID, err := alice.SendOutputs([]*wire.TxOut{burnOutput})
|
||||
if err != nil {
|
||||
t.Fatalf("unable to create burn tx: %v", err)
|
||||
}
|
||||
@ -855,7 +808,7 @@ func testListTransactionDetails(miner *rpctest.Harness, wallet *lnwallet.Lightni
|
||||
// Fetch the transaction details again, the new transaction should be
|
||||
// shown as debiting from the wallet's balance.
|
||||
time.Sleep(time.Second * 2)
|
||||
txDetails, err = wallet.ListTransactionDetails()
|
||||
txDetails, err = alice.ListTransactionDetails()
|
||||
if err != nil {
|
||||
t.Fatalf("unable to fetch tx details: %v", err)
|
||||
}
|
||||
@ -884,13 +837,13 @@ func testListTransactionDetails(miner *rpctest.Harness, wallet *lnwallet.Lightni
|
||||
}
|
||||
}
|
||||
|
||||
func testTransactionSubscriptions(miner *rpctest.Harness, w *lnwallet.LightningWallet, t *testing.T) {
|
||||
t.Log("Running transaction subscriptions test")
|
||||
func testTransactionSubscriptions(miner *rpctest.Harness,
|
||||
alice, _ *lnwallet.LightningWallet, t *testing.T) {
|
||||
|
||||
// First, check to see if this wallet meets the TransactionNotifier
|
||||
// interface, if not then we'll skip this test for this particular
|
||||
// implementation of the WalletController.
|
||||
txClient, err := w.SubscribeTransactions()
|
||||
txClient, err := alice.SubscribeTransactions()
|
||||
if err != nil {
|
||||
t.Fatalf("unable to generate tx subscription: %v", err)
|
||||
}
|
||||
@ -924,7 +877,7 @@ func testTransactionSubscriptions(miner *rpctest.Harness, w *lnwallet.LightningW
|
||||
// Next, fetch a fresh address from the wallet, create 3 new outputs
|
||||
// with the pkScript.
|
||||
for i := 0; i < numTxns; i++ {
|
||||
addr, err := w.NewAddress(lnwallet.WitnessPubKey, false)
|
||||
addr, err := alice.NewAddress(lnwallet.WitnessPubKey, false)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to create new address: %v", err)
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user