Ben, The necessary witness is described here: https://github.com/lightning/bolts/blob/master/03-transactions.md#to_local-output
Regards, Ken On Sat, Apr 29, 2023 at 7:57 PM Benjamin Weintraub via Lightning-dev < lightning-dev@lists.linuxfoundation.org> wrote: > Hi all, > > I have a question about commitments. If a peer force closes a channel by > sending a commitment to the blockchain, what kind of witness script is > needed to redeem the `to_local` funds? (assuming the `to_self_delay` has > elapsed.) It seems that the transaction described here is for cooperative > closures: > https://github.com/lightning/bolts/blob/c74a3bbcf890799d343c62cb05fcbcdc952a1cf3/03-transactions.md#closing-transaction > . But for force closures, I would think that the txin would need to be > the `to_local` txout of the commitment. > > Concretely, I have commited the following transaction on a local simnet > bitcoin blockchain and mined 500 blocks on top of it. I want to spend > vout[2], how can I generate such a transaction? > > > { > "hash": > "47d15337bb3c29c7c2881dd7cd912604b401ed221c66ea6f781b456d4983d451", > "size": 444, > "vsize": 279, > "weight": 1113, > "version": 2, > "locktime": 551351761, > "vin": [ > { > "txid": > "0248025b9447df8267d02d14c34ab9b269f52cd827132c70159a55cbf27ab3c1", > "vout": 0, > "scriptSig": { > "asm": "", > "hex": "" > }, > "txinwitness": [ > "", > > "3045022100d3f52ca04d6a71587c29592931e542b16a47f3e9e577f1869b416547d00c62dd0220485da35ad31ff71b4263b1a25f0ba9f35990e1c8d5ac848365bbd588c3ce83d701", > > "3044022057fc3878e17a865c12d57b7885ed48f0d6122bd9e00511c8eac150180d1508d502205fd1d0674a41b3c0118d0b6c19b1c77d35fc95bb89f929da6478f22e94dbf5ce01", > > "5221038acdafe305edd06e91706ee687a091be306f0f29bcbda52dadde084bbaa36c902103d8fd53b9b43638c2255e1abd6f134a0232d2fba65527252c4eb81f926ddf50ad52ae" > ], > "sequence": 2161061453 > } > ], > "vout": [ > { > "value": 0.0000033, > "n": 0, > "scriptPubKey": { > "asm": "0 > 45ec86244376d47000ca6592783ba26f6b2ae619a24c8f5fad249b8c716955d6", > "hex": > "002045ec86244376d47000ca6592783ba26f6b2ae619a24c8f5fad249b8c716955d6", > "reqSigs": 1, > "type": "witness_v0_scripthash", > "addresses": [ > "sb1qghkgvfzrwm28qqx2vkf8swazda4j4ese5fxg7hadyjdccutf2htqysq3qz" > ] > } > }, > { > "value": 0.0000033, > "n": 1, > "scriptPubKey": { > "asm": "0 > 502a17644b334482d0a3f589d9861af6e2105a9b7afd3f5c258efc98bb6aeeed", > "hex": > "0020502a17644b334482d0a3f589d9861af6e2105a9b7afd3f5c258efc98bb6aeeed", > "reqSigs": 1, > "type": "witness_v0_scripthash", > "addresses": [ > "sb1q2q4pweztxdzg959r7kyanps67m3pqk5m0t7n7hp93m7f3wm2amksa0fysc" > ] > } > }, > { > "value": 0.0002, > "n": 2, > "scriptPubKey": { > "asm": "0 > 045553fc789494f16eff4cfa221d0294e140fb79772efeb7d8397d0ac1c4cf85", > "hex": > "0020045553fc789494f16eff4cfa221d0294e140fb79772efeb7d8397d0ac1c4cf85", > "reqSigs": 1, > "type": "witness_v0_scripthash", > "addresses": [ > "sb1qq3248lrcjj20zmhlfnazy8gzjns5p7mewuh0ad7c897s4swye7zsyrm5pc" > ] > } > }, > { > "value": 0.009761, > "n": 3, > "scriptPubKey": { > "asm": "0 > 2d51ca420d0b6ab56c97ca2631d7304c9ad9025252ea71f3af8f97361679042e", > "hex": > "00202d51ca420d0b6ab56c97ca2631d7304c9ad9025252ea71f3af8f97361679042e", > "reqSigs": 1, > "type": "witness_v0_scripthash", > "addresses": [ > "sb1q94gu5ssdpd4t2myhegnrr4esfjddjqjj2t48rua037tnv9neqshqm4z7yr" > ] > } > } > ], > "blockhash": > "0fa78bc7e9f6e0a60be71bb5fb2eaaf42a97895bb057f09d7cbb2c49120fa61d", > "confirmations": 500, > "time": 1682451410, > "blocktime": 1682451410 > } > > > > Thanks in advance, > > Ben > _______________________________________________ > Lightning-dev mailing list > Lightning-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/lightning-dev > -- Ken Sedgwick Bonsai Software, Inc. http://www.bonsai.com/ken/ (510) 269-7334 k...@bonsai.com Public Key: http://www.bonsai.com/ken/ken.asc GPG Fingerprint: 4695 E5B8 F781 BF85 4326 9639 BBFC E515 8602 5550
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