📅 Original date posted:2018-10-19
📝 Original message:
Fabrice Drouin <fabrice.drouin at acinq.fr> writes:
> Hello,
>
>> 1. Rather than trying to agree on what fees will be in the future, we
> > should use an OP_TRUE-style output to allow CPFP (Roasbeef)
>
> We could also use SIGHASH_ANYONECANPAY|SIGHASH_SINGLE for HTLC txs, without
> adding the "OP_TRUE" output to the commitment transaction. We would still
> need the update_fee message to manage onchain fees for the commit tx (but
> not the HTLC txs) but there would be no reason anymore to refuse fee rates
> that are too high and channels would not get closed anymore when there's a
> spike in onchain fees.
Agreed, that was in the details below:
- HTLC-timeout and HTLC-success txs sigs are
SIGHASH_ANYONECANPAY|SIGHASH_SINGLE, so you can Bring Your Own Fees.
The only problem with these proposals is that it requires you have an
available UTXO to make the CPFP etc.
Cheers,
Rusty.
Rusty Russell [ARCHIVE] /
npub1zw…hkhpx
2023-06-09 12:51:51
in reply to nevent1q…ylc7
Author Public Key
npub1zw7cc8z78v6s3grujfvcv3ckpvg6kr0w7nz9yzvwyglyg0qu5sjsqhkhpxPublished at
2023-06-09 12:51:51Event JSON
{
"id": "91732a9e8bf599810406dd8a35fca6ae3c891ea907647bedb14653cf859c57bc",
"pubkey": "13bd8c1c5e3b3508a07c92598647160b11ab0deef4c452098e223e443c1ca425",
"created_at": 1686315111,
"kind": 1,
"tags": [
[
"e",
"c396150541b93fd7dcbb99733d0101c5012b71f16be611915f67f9ed8b9c1baa",
"",
"root"
],
[
"e",
"cc2fd71853e4f84955a41a7b03bfd0a22ce160b2b2c8eab3d1ee1ab37a68ed2d",
"",
"reply"
],
[
"p",
"81c48ba46c211bc8fdb490d1ccfb03609c7ea090f8587ddca1c990676f09cfd3"
]
],
"content": "📅 Original date posted:2018-10-19\n📝 Original message:\nFabrice Drouin \u003cfabrice.drouin at acinq.fr\u003e writes:\n\u003e Hello,\n\u003e\n\u003e\u003e 1. Rather than trying to agree on what fees will be in the future, we\n\u003e \u003e should use an OP_TRUE-style output to allow CPFP (Roasbeef)\n\u003e\n\u003e We could also use SIGHASH_ANYONECANPAY|SIGHASH_SINGLE for HTLC txs, without\n\u003e adding the \"OP_TRUE\" output to the commitment transaction. We would still\n\u003e need the update_fee message to manage onchain fees for the commit tx (but\n\u003e not the HTLC txs) but there would be no reason anymore to refuse fee rates\n\u003e that are too high and channels would not get closed anymore when there's a\n\u003e spike in onchain fees.\n\nAgreed, that was in the details below:\n\n- HTLC-timeout and HTLC-success txs sigs are \n SIGHASH_ANYONECANPAY|SIGHASH_SINGLE, so you can Bring Your Own Fees.\n\nThe only problem with these proposals is that it requires you have an\navailable UTXO to make the CPFP etc.\n\nCheers,\nRusty.",
"sig": "f85ad567d8d924f121644c91bcdafeb28c91328c0cda6429166a416a0c3bc107bddfe1dfa57218467f32eb45c9f3442ed02569942930b688c23f8ff11c9e71ed"
}