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dual-fund: only allow for liquidity ads if both nodes support anchors 

Otherwise we'd have to update the liquidity ads spec to get this
shipped.
This commit is contained in:
niftynei 2022-10-19 14:59:21 -05:00 committed by Rusty Russell
parent c9c367d770
commit 89f382cf39
1 changed files with 17 additions and 9 deletions
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26
openingd/dualopend.c
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@ -2070,15 +2070,6 @@ static void accepter_start(struct state *state, const u8 *oc2_msg)
else
state->upfront_shutdown_script[REMOTE] = NULL;
/* This is an `option_will_fund` request */
if (open_tlv->request_funds) {
state->requested_lease = tal(state, struct amount_sat);
state->requested_lease->satoshis /* Raw: u64 -> sat conversion */
= open_tlv->request_funds->requested_sats;
tx_state->blockheight
= open_tlv->request_funds->blockheight;
}
/* BOLT-* #2
* If the peer's revocation basepoint is unknown (e.g.
* `open_channel2`), a temporary `channel_id` should be found
@ -2094,6 +2085,23 @@ static void accepter_start(struct state *state, const u8 *oc2_msg)
type_to_string(tmpctx, struct channel_id,
&cid));
/* Since anchor outputs are optional, we
* only support liquidity ads if those are enabled. */
if (open_tlv->request_funds &&
!anchors_negotiated(state->our_features,
state->their_features))
negotiation_failed(state, "liquidity ads not supported,"
" no anchors.");
/* This is an `option_will_fund` request */
if (open_tlv->request_funds) {
state->requested_lease = tal(state, struct amount_sat);
state->requested_lease->satoshis /* Raw: u64 -> sat conversion */
= open_tlv->request_funds->requested_sats;
tx_state->blockheight
= open_tlv->request_funds->blockheight;
}
/* BOLT #2:
*
* The receiving node MUST fail the channel if: