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tx-signatures: address comments regarding underpyament of fees

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Reported-By: @morehouse
This commit is contained in:
niftynei 2023-11-09 22:44:27 -06:00 • committed by neil saitug
parent 076f21d65e
commit f0c9ff732f
1 changed files with 7 additions and 7 deletions
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14
02-peer-protocol.md
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@ -1371,13 +1371,13 @@ The sending node:
- MUST NOT send a `tx_signatures` message - MUST NOT send a `tx_signatures` message
The receiving node: The receiving node:
- if has already sent or received a `channel_ready` message for this
channel:
- MUST ignore this message
- if the `witness` weight lowers the effective `feerate` - if the `witness` weight lowers the effective `feerate`
below the *opener*'s feerate for the funding transaction: below the *opener*'s feerate for the funding transaction:
- SHOULD broadcast their commitment transaction, closing the channel. - SHOULD broadcast their commitment transaction, closing the channel.
- SHOULD apply `witnesses` to the funding transaction and broadcast it - SHOULD apply `witnesses` to the funding transaction and broadcast it
- if has already sent or received a `channel_ready` message for this
channel:
- MUST ignore this message
#### Rationale #### Rationale
@ -1385,10 +1385,10 @@ A peer sends their `tx_signatures` after receiving a valid `commitment_signed`
message, following the order specified in the [`tx_signatures` section](#the-tx_signatures-message). message, following the order specified in the [`tx_signatures` section](#the-tx_signatures-message).
In the case where a peer provides valid witness data that causes their paid In the case where a peer provides valid witness data that causes their paid
feerate to fall beneath the `open_channel2.funding_feerate_perkw`, the protocol feerate to fall beneath the `open_channel2.funding_feerate_perkw`, the channel
should be aborted and the channel should be double-spent when there is a should be considered failed and the channel should be double-spent when
productive opportunity to do so. This should disincentivize peers from there is a productive opportunity to do so. This should disincentivize
underpaying fees. peers from underpaying fees.
### Fee bumping: `tx_init_rbf` and `tx_ack_rbf` ### Fee bumping: `tx_init_rbf` and `tx_ack_rbf`