mirror/lnd
1
0 Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

input+lnwallet: Add scripts for CSV delayed HTLC outputs

Browse Source 
We also increase the witness size for these types to account for the 3
extra bytes. The size won't be correct in all cases, but it is just an
upper bound in any case.
This commit is contained in:
Johan T. Halseth committed 2020-03-09 12:10:58 +01:00
1 parent b25f2fa94b
commit 8c0deb81c2
5 files changed
+48 -17
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

input/size.go
+14 -8
View File
@@ -213,7 +213,7 @@ const (
// - witness_script (to_local_script)
ToLocalPenaltyWitnessSize = 1 + 1 + 73 + 1 + 1 + ToLocalScriptSize
// AcceptedHtlcScriptSize 139 bytes
// AcceptedHtlcScriptSize 142 bytes
// - OP_DUP: 1 byte
// - OP_HASH160: 1 byte
// - OP_DATA: 1 byte (RIPEMD160(SHA256(revocationkey)) length)
@@ -247,11 +247,14 @@ const (
// - OP_DROP: 1 byte
// - OP_CHECKSIG: 1 byte
// - OP_ENDIF: 1 byte
// - OP_1: 1 byte // These 3 extra bytes are used for both confirmed and regular
// - OP_CSV: 1 byte // HTLC script types. The size won't be correct in all cases,
// - OP_DROP: 1 byte // but it is just an upper bound used for fee estimation in any case.
// - OP_ENDIF: 1 byte
AcceptedHtlcScriptSize = 3*1 + 20 + 5*1 + 33 + 7*1 + 20 + 4*1 +
33 + 5*1 + 4 + 5*1
33 + 5*1 + 4 + 8*1
// AcceptedHtlcTimeoutWitnessSize 216
// AcceptedHtlcTimeoutWitnessSize 219
// - number_of_witness_elements: 1 byte
// - sender_sig_length: 1 byte
// - sender_sig: 73 bytes
@@ -260,7 +263,7 @@ const (
// - witness_script: (accepted_htlc_script)
AcceptedHtlcTimeoutWitnessSize = 1 + 1 + 73 + 1 + 1 + AcceptedHtlcScriptSize
// AcceptedHtlcPenaltyWitnessSize 249 bytes
// AcceptedHtlcPenaltyWitnessSize 252 bytes
// - number_of_witness_elements: 1 byte
// - revocation_sig_length: 1 byte
// - revocation_sig: 73 bytes
@@ -270,7 +273,7 @@ const (
// - witness_script (accepted_htlc_script)
AcceptedHtlcPenaltyWitnessSize = 1 + 1 + 73 + 1 + 33 + 1 + AcceptedHtlcScriptSize
// OfferedHtlcScriptSize 133 bytes
// OfferedHtlcScriptSize 136 bytes
// - OP_DUP: 1 byte
// - OP_HASH160: 1 byte
// - OP_DATA: 1 byte (RIPEMD160(SHA256(revocationkey)) length)
@@ -301,10 +304,13 @@ const (
// - OP_EQUALVERIFY: 1 byte
// - OP_CHECKSIG: 1 byte
// - OP_ENDIF: 1 byte
// - OP_1: 1 byte
// - OP_CSV: 1 byte
// - OP_DROP: 1 byte
// - OP_ENDIF: 1 byte
OfferedHtlcScriptSize = 3*1 + 20 + 5*1 + 33 + 10*1 + 33 + 5*1 + 20 + 4*1
OfferedHtlcScriptSize = 3*1 + 20 + 5*1 + 33 + 10*1 + 33 + 5*1 + 20 + 7*1
// OfferedHtlcSuccessWitnessSize 317 bytes
// OfferedHtlcSuccessWitnessSize 320 bytes
// - number_of_witness_elements: 1 byte
// - nil_length: 1 byte
// - receiver_sig_length: 1 byte
@@ -317,7 +323,7 @@ const (
// - witness_script (offered_htlc_script)
OfferedHtlcSuccessWitnessSize = 1 + 1 + 1 + 73 + 1 + 73 + 1 + 32 + 1 + OfferedHtlcScriptSize
// OfferedHtlcPenaltyWitnessSize 243 bytes
// OfferedHtlcPenaltyWitnessSize 246 bytes
// - number_of_witness_elements: 1 byte
// - revocation_sig_length: 1 byte
// - revocation_sig: 73 bytes