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plugin: Allow plugins to customize the mindepth in accept_channel

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This is the counterpart of the `mindepth` parameter in `fundchannel`
and friends. Allows dynamic lookups of `node_id` and selectively
opting into `option_zeroconf` being used.

Changelog-Added: plugin: The `openchannel` hook may return a `mindepth` indicating how many confirmations are required.
This commit is contained in:
Christian Decker 2022-05-20 15:43:56 +02:00
parent adbb977053
commit 1477873190
1 changed files with 11 additions and 0 deletions
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11
lightningd/opening_control.c
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@ -701,6 +701,7 @@ openchannel_hook_deserialize(struct openchannel_hook_payload *payload,
const jsmntok_t *t_result = json_get_member(buffer, toks, "result");
const jsmntok_t *t_errmsg = json_get_member(buffer, toks, "error_message");
const jsmntok_t *t_closeto = json_get_member(buffer, toks, "close_to");
const jsmntok_t *t_mindepth = json_get_member(buffer, toks, "mindepth");
if (!t_result)
fatal("Plugin returned an invalid response to the"
@ -752,6 +753,16 @@ openchannel_hook_deserialize(struct openchannel_hook_payload *payload,
break;
}
}
if (t_mindepth != NULL) {
json_to_u32(buffer, t_mindepth, &payload->uc->minimum_depth);
log_debug(
openingd->ld->log,
"Setting mindepth=%d for this channel as requested by "
"the openchannel hook",
payload->uc->minimum_depth);
}
return true;
}