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lnwallet/witnessgen: add HtlcOfferedTimeLock witness type

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This commit is contained in:
Conner Fromknecht 2017-10-01 20:54:23 -07:00
parent 23343c0700
commit 7888c6e040
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GPG Key ID: 39DE78FBE6ACB0EF
1 changed files with 19 additions and 7 deletions
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26
lnwallet/witnessgen.go
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@ -13,17 +13,18 @@ import (
type WitnessType uint16 type WitnessType uint16
const ( const (
// CommitmentTimeLock is a witness that allows us to spend the output of a // CommitmentTimeLock is a witness that allows us to spend the output of
// commitment transaction after a relative lock-time lockout. // a commitment transaction after a relative lock-time lockout.
CommitmentTimeLock WitnessType = 0 CommitmentTimeLock WitnessType = 0
// CommitmentNoDelay is a witness that allows us to spend a settled no-delay // CommitmentNoDelay is a witness that allows us to spend a settled
// output immediately on a counterparty's commitment transaction. // no-delay output immediately on a counterparty's commitment
// transaction.
CommitmentNoDelay WitnessType = 1 CommitmentNoDelay WitnessType = 1
// CommitmentRevoke is a witness that allows us to sweep the settled output // CommitmentRevoke is a witness that allows us to sweep the settled
// of a malicious counterparty's who broadcasts a revoked commitment // output of a malicious counterparty's who broadcasts a revoked
// transaction. // commitment transaction.
CommitmentRevoke WitnessType = 2 CommitmentRevoke WitnessType = 2
// HtlcOfferedRevoke is a witness that allows us to sweep an HTLC // HtlcOfferedRevoke is a witness that allows us to sweep an HTLC
@ -33,6 +34,15 @@ const (
// HtlcAcceptedRevoke is a witness that allows us to sweep an HTLC // HtlcAcceptedRevoke is a witness that allows us to sweep an HTLC
// output that we accepted from the counterparty. // output that we accepted from the counterparty.
HtlcAcceptedRevoke WitnessType = 4 HtlcAcceptedRevoke WitnessType = 4
// HtlcOfferedTimeout is a witness that allows us to sweep an HTLC
// output that we extended to a party, but was never fulfilled.
HtlcOfferedTimeout WitnessType = 5
// HtlcAcceptedSuccess is a witness that allows us to sweep an HTLC
// output that was offered to us, and for which we have a payment
// preimage.
HtlcAcceptedSuccess WitnessType = 6
) )
// WitnessGenerator represents a function which is able to generate the final // WitnessGenerator represents a function which is able to generate the final
@ -64,6 +74,8 @@ func (wt WitnessType) GenWitnessFunc(signer Signer,
return ReceiverHtlcSpendRevoke(signer, desc, tx) return ReceiverHtlcSpendRevoke(signer, desc, tx)
case HtlcAcceptedRevoke: case HtlcAcceptedRevoke:
return SenderHtlcSpendRevoke(signer, desc, tx) return SenderHtlcSpendRevoke(signer, desc, tx)
case HtlcOfferedTimeout:
return HtlcSpendSuccess(signer, desc, tx)
default: default:
return nil, fmt.Errorf("unknown witness type: %v", wt) return nil, fmt.Errorf("unknown witness type: %v", wt)
} }