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Allow either node to send tx_init_rbf in v2 establishment

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Splicing allows either node to send `tx_init_rbf` as they may want to
take the opportunity to contribute or withdraw additional funds to /
from the channel. Allow the same for v2 channel establishment for
consistency.
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Jeffrey Czyz 2025-03-10 11:09:39 -05:00
parent a09564a8b7
commit 0c27311f47
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6
02-peer-protocol.md
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@ -1407,7 +1407,7 @@ a transaction paying more fees to make the channel confirm faster.
#### Requirements #### Requirements
The sender of `tx_init_rbf`: The sender of `tx_init_rbf`:
- MUST be the *initiator* - MAY be the either the *initiator* or the *accepter*
- MUST NOT have sent or received a `channel_ready` message. - MUST NOT have sent or received a `channel_ready` message.
The recipient: The recipient:
@ -1430,6 +1430,10 @@ a large feerate change, instead sets their `sats` to zero, and decline to
participate further in the channel funding: by not contributing, they participate further in the channel funding: by not contributing, they
may obtain incoming liquidity at no cost. may obtain incoming liquidity at no cost.
We allow both nodes to initiate RBF, because any one of them may want to take
this opportunity to contribute additional funds to the channel without
waiting for the initial funding transaction to confirm.
## Channel Quiescence ## Channel Quiescence
Various fundamental changes, in particular protocol upgrades, are Various fundamental changes, in particular protocol upgrades, are