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dual_open: split logic for deserializing a changed vs signed PSBT

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We need to run different checks on these, so split them out for finer
grained control
This commit is contained in:
niftynei 2020-09-10 14:35:39 -05:00 committed by Rusty Russell
parent 1f165c00ae
commit aa6420cb58
1 changed files with 30 additions and 4 deletions
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34
lightningd/dual_open_control.c
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@ -526,6 +526,32 @@ static void openchannel2_psbt_remove_dualopend(struct subd *dualopend,
payload->dualopend = NULL;
}
static bool
openchannel2_changed_deserialize(struct openchannel2_psbt_payload *payload,
const char *buffer, const jsmntok_t *toks)
{
struct subd *dualopend = payload->dualopend;
struct wally_psbt *psbt;
if (!hook_extract_psbt(NULL, dualopend, buffer,
toks, "openchannel2_sign",
false, &psbt))
return false;
/* Add serials to PSBT, before checking for required fields */
psbt_add_serials(psbt, REMOTE);
if (!psbt_has_required_fields(psbt))
fatal("Plugin supplied PSBT that's missing required fields. %s",
type_to_string(tmpctx, struct wally_psbt, psbt));
if (payload->psbt)
tal_free(payload->psbt);
payload->psbt = tal_steal(payload, psbt);
return true;
}
static void
openchannel2_changed_hook_cb(struct openchannel2_psbt_payload *payload STEALS)
{
@ -549,8 +575,8 @@ openchannel2_changed_hook_cb(struct openchannel2_psbt_payload *payload STEALS)
}
static bool
openchannel2_psbt_deserialize(struct openchannel2_psbt_payload *payload,
const char *buffer, const jsmntok_t *toks)
openchannel2_signed_deserialize(struct openchannel2_psbt_payload *payload,
const char *buffer, const jsmntok_t *toks)
{
struct subd *dualopend = payload->dualopend;
struct wally_psbt *psbt;
@ -606,13 +632,13 @@ REGISTER_PLUGIN_HOOK(openchannel2,
struct openchannel2_payload *);
REGISTER_PLUGIN_HOOK(openchannel2_changed,
openchannel2_psbt_deserialize,
openchannel2_changed_deserialize,
openchannel2_changed_hook_cb,
openchannel2_changed_hook_serialize,
struct openchannel2_psbt_payload *);
REGISTER_PLUGIN_HOOK(openchannel2_sign,
openchannel2_psbt_deserialize,
openchannel2_signed_deserialize,
openchannel2_sign_hook_cb,
openchannel2_sign_hook_serialize,
struct openchannel2_psbt_payload *);