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lnd
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Commit message update 

Doesn't need to use a list, only needs to show each party's most recent
state.
This commit is contained in:
Joseph Poon 2016-03-15 16:22:41 -07:00
parent bf4b43d3f2
commit 4b8a8f410a
2 changed files with 20 additions and 19 deletions
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21
lnwire/commit_signature.go
View File

@ -19,10 +19,13 @@ type CommitSignature struct {
// This is used for shachain.
// Each party increments their own CommitmentHeight, they can differ for
// each part of the Commitment.
//FIXME This might be superfluous
CommitmentHeight uint64
// List of HTLC Keys which are updated from all parties
UpdatedHTLCKeys []uint64
//UpdatedHTLCKeys []uint64
LastCommittedKeyAlice HTLCKey
LastCommittedKeyBob HTLCKey
// Hash of the revocation to use
RevocationHash [20]byte
@ -37,14 +40,14 @@ type CommitSignature struct {
func (c *CommitSignature) Decode(r io.Reader, pver uint32) error {
// ChannelID(8)
// CommitmentHeight(8)
// c.UpdatedHTLCKeys(8*1000max)
// RevocationHash(20)
// Fee(8)
// RequesterCommitSig(73max+2)
err := readElements(r,
&c.ChannelID,
&c.CommitmentHeight,
&c.UpdatedHTLCKeys,
&c.LastCommittedKeyAlice,
&c.LastCommittedKeyBob,
&c.RevocationHash,
&c.Fee,
&c.CommitSig,
@ -67,7 +70,8 @@ func (c *CommitSignature) Encode(w io.Writer, pver uint32) error {
err := writeElements(w,
c.ChannelID,
c.CommitmentHeight,
c.UpdatedHTLCKeys,
c.LastCommittedKeyAlice,
c.LastCommittedKeyBob,
c.RevocationHash,
c.Fee,
c.CommitSig,
@ -106,18 +110,15 @@ func (c *CommitSignature) String() string {
// c.Fee,
// c.CommitSig,
var serializedSig []byte
if &c.CommitSig != nil && c.CommitSig.R != nil {
if c.CommitSig != nil && c.CommitSig.R != nil {
serializedSig = c.CommitSig.Serialize()
}
var items string
for i := 0; i < len(c.UpdatedHTLCKeys); i++ {
items += fmt.Sprintf("%d ", c.UpdatedHTLCKeys[i])
}
return fmt.Sprintf("\n--- Begin CommitSignature ---\n") +
fmt.Sprintf("ChannelID:\t\t%d\n", c.ChannelID) +
fmt.Sprintf("CommitmentHeight:\t%d\n", c.CommitmentHeight) +
fmt.Sprintf("UpdatedHTLCKeys:\t%s\n", items) +
fmt.Sprintf("LastCommittedKeyAlice:\t%d\n", c.LastCommittedKeyAlice) +
fmt.Sprintf("LastCommittedKeyBob:\t%d\n", c.LastCommittedKeyBob) +
fmt.Sprintf("RevocationHash:\t\t%x\n", c.RevocationHash) +
fmt.Sprintf("Fee:\t\t\t%s\n", c.Fee.String()) +
fmt.Sprintf("CommitSig:\t\t%x\n", serializedSig) +

18
lnwire/commit_signature_test.go
View File

@ -10,16 +10,16 @@ var (
_ = copy(revocationHash[:], revocationHashBytes)
commitSignature = &CommitSignature{
ChannelID: uint64(12345678),
CommitmentHeight: uint64(12345),
// CommitterLastStaging: uint64(12345678),
UpdatedHTLCKeys: []uint64{1, 2, 3, 4, 5},
RevocationHash: revocationHash,
Fee: btcutil.Amount(10000),
CommitSig: commitSig,
ChannelID: uint64(12345678),
CommitmentHeight: uint64(12345),
LastCommittedKeyAlice: uint64(12345),
LastCommittedKeyBob: uint64(54321),
RevocationHash: revocationHash,
Fee: btcutil.Amount(10000),
CommitSig: commitSig,
}
commitSignatureSerializedString = "0000000000bc614e00000000000030390005000000000000000100000000000000020000000000000003000000000000000400000000000000054132b6b48371f7b022a16eacb9b2b0ebee134d4100000000000027104630440220333835e58e958f5e92b4ff4e6fa2470dac88094c97506b4d6d1f4e23e52cb481022057483ac18d6b9c9c14f0c626694c9ccf8b27b3dbbedfdf6b6c9a9fa9f427a1df"
commitSignatureSerializedMessage = "0709110b000007d00000009d0000000000bc614e00000000000030390005000000000000000100000000000000020000000000000003000000000000000400000000000000054132b6b48371f7b022a16eacb9b2b0ebee134d4100000000000027104630440220333835e58e958f5e92b4ff4e6fa2470dac88094c97506b4d6d1f4e23e52cb481022057483ac18d6b9c9c14f0c626694c9ccf8b27b3dbbedfdf6b6c9a9fa9f427a1df"
commitSignatureSerializedString = "0000000000bc614e00000000000030390000000000003039000000000000d4314132b6b48371f7b022a16eacb9b2b0ebee134d4100000000000027104630440220333835e58e958f5e92b4ff4e6fa2470dac88094c97506b4d6d1f4e23e52cb481022057483ac18d6b9c9c14f0c626694c9ccf8b27b3dbbedfdf6b6c9a9fa9f427a1df"
commitSignatureSerializedMessage = "0709110b000007d0000000830000000000bc614e00000000000030390000000000003039000000000000d4314132b6b48371f7b022a16eacb9b2b0ebee134d4100000000000027104630440220333835e58e958f5e92b4ff4e6fa2470dac88094c97506b4d6d1f4e23e52cb481022057483ac18d6b9c9c14f0c626694c9ccf8b27b3dbbedfdf6b6c9a9fa9f427a1df"
)
func TestCommitSignatureEncodeDecode(t *testing.T) {