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multi: add bumpforceclosefee rpc endpoint.

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Add a new bumpforceclosefee rpc endpoint to the wallet server.
Move the logic from the lncli level to the wallet server rpc level.
This is more in line with a proper client-server design.

wallet lncli: use new bumpforceclosefee endpoint.

Besides using the new bumpforceclosefee rpc endpoint we also enable the
bumping of taproot anchor channels.
This commit is contained in:
ziggie
2024-06-15 13:51:14 +01:00
parent 57a5e4912b
commit 07b18c1c86
12 changed files with 1233 additions and 621 deletions
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47
lnrpc/walletrpc/walletkit.proto
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@@ -273,6 +273,13 @@ service WalletKit {
*/
rpc BumpFee (BumpFeeRequest) returns (BumpFeeResponse);
/* lncli: `wallet bumpforceclosefee`
BumpForceCloseFee is an endpoint that allows users to bump the fee of a
channel force close. This only works for channels with option_anchors.
*/
rpc BumpForceCloseFee (BumpForceCloseFeeRequest)
returns (BumpForceCloseFeeResponse);
/* lncli: `wallet listsweeps`
ListSweeps returns a list of the sweep transactions our node has produced.
Note that these sweeps may not be confirmed yet, as we record sweeps on
@@ -1226,6 +1233,46 @@ message BumpFeeResponse {
string status = 1;
}
message BumpForceCloseFeeRequest {
// The channel point which force close transaction we are attempting to
// bump the fee rate for.
lnrpc.ChannelPoint chan_point = 1;
// Optional. The deadline delta in number of blocks that the anchor output
// should be spent within to bump the closing transaction.
uint32 deadline_delta = 2;
/*
Optional. The starting fee rate, expressed in sat/vbyte. This value will be
used by the sweeper's fee function as its starting fee rate. When not set,
the sweeper will use the estimated fee rate using the target_conf as the
starting fee rate.
*/
uint64 starting_feerate = 3;
/*
Optional. Whether this cpfp transaction will be triggered immediately. When
set to true, the sweeper will consider all currently registered sweeps and
trigger new batch transactions including the sweeping of the anchor output
related to the selected force close transaction.
*/
bool immediate = 4;
/*
Optional. The max amount in sats that can be used as the fees. For already
registered anchor outputs if not set explicitly the old value will be used.
For channel force closes which have no HTLCs in their commitment transaction
this value has to be set to an appropriate amount to pay for the cpfp
transaction of the force closed channel otherwise the fee bumping will fail.
*/
uint64 budget = 5;
}
message BumpForceCloseFeeResponse {
// The status of the force close fee bump operation.
string status = 1;
}
message ListSweepsRequest {
/*
Retrieve the full sweep transaction details. If false, only the sweep txids