mirror of
https://github.com/lightningnetwork/lnd.git
synced 2024-11-19 09:53:54 +01:00
322 lines
9.7 KiB
Go
322 lines
9.7 KiB
Go
package channeldb
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import (
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"bytes"
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"io/ioutil"
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"os"
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"reflect"
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"testing"
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"time"
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"github.com/lightningnetwork/lnd/elkrem"
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"github.com/roasbeef/btcd/btcec"
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"github.com/roasbeef/btcd/chaincfg"
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"github.com/roasbeef/btcd/txscript"
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"github.com/roasbeef/btcd/wire"
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"github.com/roasbeef/btcutil"
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_ "github.com/roasbeef/btcwallet/walletdb/bdb"
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)
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var (
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netParams = &chaincfg.SegNet4Params
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key = [wire.HashSize]byte{
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0x81, 0xb6, 0x37, 0xd8, 0xfc, 0xd2, 0xc6, 0xda,
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0x68, 0x59, 0xe6, 0x96, 0x31, 0x13, 0xa1, 0x17,
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0xd, 0xe7, 0x93, 0xe4, 0xb7, 0x25, 0xb8, 0x4d,
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0x1e, 0xb, 0x4c, 0xf9, 0x9e, 0xc5, 0x8c, 0xe9,
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}
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id = &wire.OutPoint{
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Hash: [wire.HashSize]byte{
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0x51, 0xb6, 0x37, 0xd8, 0xfc, 0xd2, 0xc6, 0xda,
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0x48, 0x59, 0xe6, 0x96, 0x31, 0x13, 0xa1, 0x17,
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0x2d, 0xe7, 0x93, 0xe4, 0xb7, 0x25, 0xb8, 0x4d,
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0x1f, 0xb, 0x4c, 0xf9, 0x9e, 0xc5, 0x8c, 0xe9,
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},
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Index: 9,
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}
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rev = [wire.HashSize]byte{
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0x51, 0xb6, 0x37, 0xd8, 0xfc, 0xd2, 0xc6, 0xda,
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0x48, 0x59, 0xe6, 0x96, 0x31, 0x13, 0xa1, 0x17,
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0x2d, 0xe7, 0x93, 0xe4,
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}
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testTx = &wire.MsgTx{
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Version: 1,
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TxIn: []*wire.TxIn{
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&wire.TxIn{
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PreviousOutPoint: wire.OutPoint{
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Hash: wire.ShaHash{},
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Index: 0xffffffff,
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},
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SignatureScript: []byte{0x04, 0x31, 0xdc, 0x00, 0x1b, 0x01, 0x62},
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Sequence: 0xffffffff,
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},
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},
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TxOut: []*wire.TxOut{
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&wire.TxOut{
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Value: 5000000000,
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PkScript: []byte{
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0x41, // OP_DATA_65
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0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
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0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
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0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
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0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
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0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
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0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
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0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
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0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
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0xa6, // 65-byte signature
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0xac, // OP_CHECKSIG
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},
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},
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},
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LockTime: 5,
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}
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testOutpoint = &wire.OutPoint{
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Hash: key,
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Index: 0,
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}
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)
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type MockEncryptorDecryptor struct {
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}
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func (m *MockEncryptorDecryptor) Encrypt(n []byte) ([]byte, error) {
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return n, nil
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}
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func (m *MockEncryptorDecryptor) Decrypt(n []byte) ([]byte, error) {
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return n, nil
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}
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func (m *MockEncryptorDecryptor) OverheadSize() uint32 {
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return 0
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}
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var _ EncryptorDecryptor = (*MockEncryptorDecryptor)(nil)
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func TestOpenChannelPutGetDelete(t *testing.T) {
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// First, create a temporary directory to be used for the duration of
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// this test.
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// TODO(roasbeef): move initial set up to something within testing.Main
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tempDirName, err := ioutil.TempDir("", "channeldb")
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if err != nil {
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t.Fatalf("unable to create temp dir: %v")
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}
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defer os.RemoveAll(tempDirName)
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// Next, create channeldb for the first time, also setting a mock
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// EncryptorDecryptor implementation for testing purposes.
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cdb, err := Open(tempDirName, netParams)
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if err != nil {
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t.Fatalf("unable to create channeldb: %v", err)
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}
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cdb.RegisterCryptoSystem(&MockEncryptorDecryptor{})
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defer cdb.Close()
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privKey, pubKey := btcec.PrivKeyFromBytes(btcec.S256(), key[:])
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addr, err := btcutil.NewAddressPubKey(pubKey.SerializeCompressed(), netParams)
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if err != nil {
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t.Fatalf("unable to create delivery address")
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}
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script, err := txscript.MultiSigScript([]*btcutil.AddressPubKey{addr, addr}, 2)
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if err != nil {
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t.Fatalf("unable to create redeemScript")
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}
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// Simulate 1000 channel updates via progression of the elkrem
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// revocation trees.
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sender := elkrem.NewElkremSender(key)
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receiver := &elkrem.ElkremReceiver{}
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for i := 0; i < 1000; i++ {
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preImage, err := sender.AtIndex(uint64(i))
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if err != nil {
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t.Fatalf("unable to progress elkrem sender: %v", err)
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}
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if receiver.AddNext(preImage); err != nil {
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t.Fatalf("unable to progress elkrem receiver: %v", err)
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}
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}
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state := OpenChannel{
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TheirLNID: key,
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ChanID: id,
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MinFeePerKb: btcutil.Amount(5000),
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OurCommitKey: privKey,
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TheirCommitKey: pubKey,
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Capacity: btcutil.Amount(10000),
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OurBalance: btcutil.Amount(3000),
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TheirBalance: btcutil.Amount(9000),
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OurCommitTx: testTx,
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OurCommitSig: bytes.Repeat([]byte{1}, 71),
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LocalElkrem: sender,
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RemoteElkrem: receiver,
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FundingOutpoint: testOutpoint,
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OurMultiSigKey: privKey,
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TheirMultiSigKey: privKey.PubKey(),
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FundingRedeemScript: script,
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TheirCurrentRevocation: privKey.PubKey(),
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TheirCurrentRevocationHash: key,
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OurDeliveryScript: script,
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TheirDeliveryScript: script,
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LocalCsvDelay: 5,
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RemoteCsvDelay: 9,
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NumUpdates: 1,
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TotalSatoshisSent: 8,
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TotalSatoshisReceived: 2,
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TotalNetFees: 9,
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CreationTime: time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
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Db: cdb,
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}
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if err := state.FullSync(); err != nil {
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t.Fatalf("unable to save and serialize channel state: %v", err)
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}
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nodeID := wire.ShaHash(state.TheirLNID)
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openChannels, err := cdb.FetchOpenChannels(&nodeID)
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if err != nil {
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t.Fatalf("unable to fetch open channel: %v", err)
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}
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newState := openChannels[0]
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// The decoded channel state should be identical to what we stored
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// above.
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if !bytes.Equal(state.TheirLNID[:], newState.TheirLNID[:]) {
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t.Fatalf("their id doesn't match")
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}
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if !reflect.DeepEqual(state.ChanID, newState.ChanID) {
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t.Fatalf("chan id's don't match")
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}
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if state.MinFeePerKb != newState.MinFeePerKb {
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t.Fatalf("fee/kb doens't match")
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}
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if !bytes.Equal(state.OurCommitKey.Serialize(),
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newState.OurCommitKey.Serialize()) {
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t.Fatalf("our commit key dont't match")
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}
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if !bytes.Equal(state.TheirCommitKey.SerializeCompressed(),
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newState.TheirCommitKey.SerializeCompressed()) {
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t.Fatalf("their commit key dont't match")
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}
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if state.Capacity != newState.Capacity {
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t.Fatalf("capacity doesn't match: %v vs %v", state.Capacity,
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newState.Capacity)
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}
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if state.OurBalance != newState.OurBalance {
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t.Fatalf("our balance doesn't match")
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}
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if state.TheirBalance != newState.TheirBalance {
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t.Fatalf("their balance doesn't match")
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}
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var b1, b2 bytes.Buffer
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if err := state.OurCommitTx.Serialize(&b1); err != nil {
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t.Fatalf("unable to serialize transaction")
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}
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if err := newState.OurCommitTx.Serialize(&b2); err != nil {
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t.Fatalf("unable to serialize transaction")
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}
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if !bytes.Equal(b1.Bytes(), b2.Bytes()) {
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t.Fatalf("ourCommitTx doesn't match")
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}
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if !bytes.Equal(newState.OurCommitSig, state.OurCommitSig) {
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t.Fatalf("commit sigs don't match")
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}
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// TODO(roasbeef): replace with a single equal?
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if !reflect.DeepEqual(state.FundingOutpoint, newState.FundingOutpoint) {
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t.Fatalf("funding outpoint doesn't match")
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}
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if !bytes.Equal(state.OurMultiSigKey.Serialize(),
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newState.OurMultiSigKey.Serialize()) {
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t.Fatalf("our multisig key doesn't match")
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}
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if !bytes.Equal(state.TheirMultiSigKey.SerializeCompressed(),
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newState.TheirMultiSigKey.SerializeCompressed()) {
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t.Fatalf("their multisig key doesn't match")
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}
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if !bytes.Equal(state.FundingRedeemScript, newState.FundingRedeemScript) {
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t.Fatalf("redeem script doesn't match")
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}
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if !bytes.Equal(state.OurDeliveryScript, newState.OurDeliveryScript) {
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t.Fatalf("our delivery address doesn't match")
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}
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if !bytes.Equal(state.TheirDeliveryScript, newState.TheirDeliveryScript) {
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t.Fatalf("their delivery address doesn't match")
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}
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if state.NumUpdates != newState.NumUpdates {
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t.Fatalf("num updates doesn't match: %v vs %v",
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state.NumUpdates, newState.NumUpdates)
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}
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if state.RemoteCsvDelay != newState.RemoteCsvDelay {
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t.Fatalf("csv delay doesn't match: %v vs %v",
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state.RemoteCsvDelay, newState.RemoteCsvDelay)
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}
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if state.LocalCsvDelay != newState.LocalCsvDelay {
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t.Fatalf("csv delay doesn't match: %v vs %v",
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state.LocalCsvDelay, newState.LocalCsvDelay)
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}
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if state.TotalSatoshisSent != newState.TotalSatoshisSent {
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t.Fatalf("satoshis sent doesn't match: %v vs %v",
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state.TotalSatoshisSent, newState.TotalSatoshisSent)
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}
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if state.TotalSatoshisReceived != newState.TotalSatoshisReceived {
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t.Fatalf("satoshis received doesn't match")
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}
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if state.CreationTime.Unix() != newState.CreationTime.Unix() {
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t.Fatalf("creation time doesn't match")
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}
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// The local and remote elkrems should be identical.
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if !bytes.Equal(state.LocalElkrem.ToBytes(), newState.LocalElkrem.ToBytes()) {
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t.Fatalf("local elkrems don't match")
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}
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oldRemoteElkrem, err := state.RemoteElkrem.ToBytes()
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if err != nil {
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t.Fatalf("unable to serialize old remote elkrem: %v", err)
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}
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newRemoteElkrem, err := newState.RemoteElkrem.ToBytes()
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if err != nil {
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t.Fatalf("unable to serialize new remote elkrem: %v", err)
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}
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if !bytes.Equal(oldRemoteElkrem, newRemoteElkrem) {
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t.Fatalf("remote elkrems don't match")
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}
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if !newState.TheirCurrentRevocation.IsEqual(state.TheirCurrentRevocation) {
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t.Fatalf("revocation keys don't match")
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}
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// Finally to wrap up the test, delete the state of the channel within
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// the database. This involves "closing" the channel which removes all
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// written state, and creates a small "summary" elsewhere within the
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// database.
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if err := state.CloseChannel(); err != nil {
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t.Fatalf("unable to close channel: %v", err)
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}
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// As the channel is now closed, attempting to fetch all open channels
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// for our fake node ID should return an empty slice.
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openChans, err := cdb.FetchOpenChannels(&nodeID)
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if err != nil {
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t.Fatalf("unable to fetch open channels: %v", err)
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}
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// TODO(roasbeef): need to assert much more
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if len(openChans) != 0 {
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t.Fatalf("all channels not deleted, found %v", len(openChans))
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}
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}
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func TestOpenChannelEncodeDecodeCorruption(t *testing.T) {
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}
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