📅 Original date posted:2023-04-30
📝 Original message:
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 at 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 at lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/lightning-dev
>
--
Ken Sedgwick
Bonsai Software, Inc.
http://www.bonsai.com/ken/
(510) 269-7334
ken at 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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Ken Sedgwick [ARCHIVE] /
npub1ve…yrfs3
2023-06-09 13:08:36
in reply to nevent1q…c8y7
Author Public Key
npub1vedeclmz6djxfp3a4yg245e5wm75udj40z0g4mm3rxf0htd7h4xs8yrfs3Published at
2023-06-09 13:08:36Event JSON
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"pubkey": "665b9c7f62d36464863da910aad33476fd4e3655789e8aef711992fbadbebd4d",
"created_at": 1686316116,
"kind": 1,
"tags": [
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"content": "📅 Original date posted:2023-04-30\n📝 Original message:\nBen,\n\nThe necessary witness is described here:\nhttps://github.com/lightning/bolts/blob/master/03-transactions.md#to_local-output\n\nRegards,\n\nKen\n\nOn Sat, Apr 29, 2023 at 7:57 PM Benjamin Weintraub via Lightning-dev \u003c\nlightning-dev at lists.linuxfoundation.org\u003e wrote:\n\n\u003e Hi all,\n\u003e\n\u003e I have a question about commitments. If a peer force closes a channel by\n\u003e sending a commitment to the blockchain, what kind of witness script is\n\u003e needed to redeem the `to_local` funds? (assuming the `to_self_delay` has\n\u003e elapsed.) It seems that the transaction described here is for cooperative\n\u003e closures:\n\u003e https://github.com/lightning/bolts/blob/c74a3bbcf890799d343c62cb05fcbcdc952a1cf3/03-transactions.md#closing-transaction\n\u003e . But for force closures, I would think that the txin would need to be\n\u003e the `to_local` txout of the commitment.\n\u003e\n\u003e Concretely, I have commited the following transaction on a local simnet\n\u003e bitcoin blockchain and mined 500 blocks on top of it. I want to spend\n\u003e vout[2], how can I generate such a transaction?\n\u003e\n\u003e\n\u003e {\n\u003e \"hash\":\n\u003e \"47d15337bb3c29c7c2881dd7cd912604b401ed221c66ea6f781b456d4983d451\",\n\u003e \"size\": 444,\n\u003e \"vsize\": 279,\n\u003e \"weight\": 1113,\n\u003e \"version\": 2,\n\u003e \"locktime\": 551351761,\n\u003e \"vin\": [\n\u003e {\n\u003e \"txid\":\n\u003e \"0248025b9447df8267d02d14c34ab9b269f52cd827132c70159a55cbf27ab3c1\",\n\u003e \"vout\": 0,\n\u003e \"scriptSig\": {\n\u003e \"asm\": \"\",\n\u003e \"hex\": \"\"\n\u003e },\n\u003e \"txinwitness\": [\n\u003e \"\",\n\u003e\n\u003e \"3045022100d3f52ca04d6a71587c29592931e542b16a47f3e9e577f1869b416547d00c62dd0220485da35ad31ff71b4263b1a25f0ba9f35990e1c8d5ac848365bbd588c3ce83d701\",\n\u003e\n\u003e \"3044022057fc3878e17a865c12d57b7885ed48f0d6122bd9e00511c8eac150180d1508d502205fd1d0674a41b3c0118d0b6c19b1c77d35fc95bb89f929da6478f22e94dbf5ce01\",\n\u003e\n\u003e \"5221038acdafe305edd06e91706ee687a091be306f0f29bcbda52dadde084bbaa36c902103d8fd53b9b43638c2255e1abd6f134a0232d2fba65527252c4eb81f926ddf50ad52ae\"\n\u003e ],\n\u003e \"sequence\": 2161061453\n\u003e }\n\u003e ],\n\u003e \"vout\": [\n\u003e {\n\u003e \"value\": 0.0000033,\n\u003e \"n\": 0,\n\u003e \"scriptPubKey\": {\n\u003e \"asm\": \"0\n\u003e 45ec86244376d47000ca6592783ba26f6b2ae619a24c8f5fad249b8c716955d6\",\n\u003e \"hex\":\n\u003e \"002045ec86244376d47000ca6592783ba26f6b2ae619a24c8f5fad249b8c716955d6\",\n\u003e \"reqSigs\": 1,\n\u003e \"type\": \"witness_v0_scripthash\",\n\u003e \"addresses\": [\n\u003e \"sb1qghkgvfzrwm28qqx2vkf8swazda4j4ese5fxg7hadyjdccutf2htqysq3qz\"\n\u003e ]\n\u003e }\n\u003e },\n\u003e {\n\u003e \"value\": 0.0000033,\n\u003e \"n\": 1,\n\u003e \"scriptPubKey\": {\n\u003e \"asm\": \"0\n\u003e 502a17644b334482d0a3f589d9861af6e2105a9b7afd3f5c258efc98bb6aeeed\",\n\u003e \"hex\":\n\u003e \"0020502a17644b334482d0a3f589d9861af6e2105a9b7afd3f5c258efc98bb6aeeed\",\n\u003e \"reqSigs\": 1,\n\u003e \"type\": \"witness_v0_scripthash\",\n\u003e \"addresses\": [\n\u003e \"sb1q2q4pweztxdzg959r7kyanps67m3pqk5m0t7n7hp93m7f3wm2amksa0fysc\"\n\u003e ]\n\u003e }\n\u003e },\n\u003e {\n\u003e \"value\": 0.0002,\n\u003e \"n\": 2,\n\u003e \"scriptPubKey\": {\n\u003e \"asm\": \"0\n\u003e 045553fc789494f16eff4cfa221d0294e140fb79772efeb7d8397d0ac1c4cf85\",\n\u003e \"hex\":\n\u003e \"0020045553fc789494f16eff4cfa221d0294e140fb79772efeb7d8397d0ac1c4cf85\",\n\u003e \"reqSigs\": 1,\n\u003e \"type\": \"witness_v0_scripthash\",\n\u003e \"addresses\": [\n\u003e \"sb1qq3248lrcjj20zmhlfnazy8gzjns5p7mewuh0ad7c897s4swye7zsyrm5pc\"\n\u003e ]\n\u003e }\n\u003e },\n\u003e {\n\u003e \"value\": 0.009761,\n\u003e \"n\": 3,\n\u003e \"scriptPubKey\": {\n\u003e \"asm\": \"0\n\u003e 2d51ca420d0b6ab56c97ca2631d7304c9ad9025252ea71f3af8f97361679042e\",\n\u003e \"hex\":\n\u003e \"00202d51ca420d0b6ab56c97ca2631d7304c9ad9025252ea71f3af8f97361679042e\",\n\u003e \"reqSigs\": 1,\n\u003e \"type\": \"witness_v0_scripthash\",\n\u003e \"addresses\": [\n\u003e \"sb1q94gu5ssdpd4t2myhegnrr4esfjddjqjj2t48rua037tnv9neqshqm4z7yr\"\n\u003e ]\n\u003e }\n\u003e }\n\u003e ],\n\u003e \"blockhash\":\n\u003e \"0fa78bc7e9f6e0a60be71bb5fb2eaaf42a97895bb057f09d7cbb2c49120fa61d\",\n\u003e \"confirmations\": 500,\n\u003e \"time\": 1682451410,\n\u003e \"blocktime\": 1682451410\n\u003e }\n\u003e\n\u003e\n\u003e\n\u003e Thanks in advance,\n\u003e\n\u003e Ben\n\u003e _______________________________________________\n\u003e Lightning-dev mailing list\n\u003e Lightning-dev at lists.linuxfoundation.org\n\u003e https://lists.linuxfoundation.org/mailman/listinfo/lightning-dev\n\u003e\n\n\n-- \nKen Sedgwick\nBonsai Software, Inc.\nhttp://www.bonsai.com/ken/\n(510) 269-7334\nken at bonsai.com\nPublic Key: http://www.bonsai.com/ken/ken.asc\nGPG Fingerprint: 4695 E5B8 F781 BF85 4326 9639 BBFC E515 8602 5550\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/lightning-dev/attachments/20230430/57eb19dd/attachment-0001.html\u003e",
"sig": "71d0fdb0864ff6f8ae8edb2889db0f2b1535f37b89bee01da33acdbb69493805e32ef6f4a7d4427e01b664f664102b9f25e88bc3728c09d46c5e8614dd2fb4de"
}