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plugin: Populate the request for the htlc_accepted hook

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker
2019-01-09 16:07:49 +01:00
committed by Rusty Russell
parent b54577041a
commit bf53821f1a
3 changed files with 33 additions and 2 deletions
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27
lightningd/peer_htlcs.c
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@@ -621,6 +621,7 @@ struct htlc_accepted_hook_payload {
struct htlc_in *hin;
struct channel *channel;
struct lightningd *ld;
u8 *next_onion;
};
/**
@@ -642,6 +643,28 @@ htlc_accepted_hook_deserialize(const tal_t *ctx, const char *buffer,
static void htlc_accepted_hook_serialize(struct htlc_accepted_hook_payload *p,
struct json_stream *s)
{
const struct route_step *rs = p->route_step;
const struct htlc_in *hin = p->hin;
json_object_start(s, "onion");
if (rs->hop_data.realm == 0x00) {
json_object_start(s, "per_hop_v0");
json_add_hex(s, "realm", &rs->hop_data.realm, 1);
json_add_short_channel_id(s, "short_channel_id", &rs->hop_data.channel_id);
json_add_amount_msat_only(s, "forward_amount", rs->hop_data.amt_forward);
json_add_u64(s, "outgoing_cltv_value", rs->hop_data.outgoing_cltv);
json_object_end(s);
}
json_add_hex_talarr(s, "next_onion", p->next_onion);
json_add_hex(s, "shared_secret", &hin->shared_secret, sizeof(hin->shared_secret));
json_object_end(s);
json_object_start(s, "htlc");
json_add_amount_msat_only(s, "amount", hin->msat);
json_add_u64(s, "cltv_expiry", hin->cltv_expiry);
json_add_hex(s, "payment_hash", hin->payment_hash.u.u8, sizeof(hin->payment_hash));
json_object_end(s);
}
/**
@@ -663,7 +686,7 @@ htlc_accepted_hook_callback(struct htlc_accepted_hook_payload *request,
if (rs->nextcase == ONION_FORWARD) {
struct gossip_resolve *gr = tal(ld, struct gossip_resolve);
gr->next_onion = serialize_onionpacket(gr, rs->next);
gr->next_onion = tal_steal(gr, request->next_onion);
gr->next_channel = rs->hop_data.channel_id;
gr->amt_to_forward = rs->hop_data.amt_forward;
gr->outgoing_cltv_value = rs->hop_data.outgoing_cltv;
@@ -784,6 +807,8 @@ static bool peer_accepted_htlc(struct channel *channel,
hook_payload->ld = ld;
hook_payload->hin = hin;
hook_payload->channel = channel;
hook_payload->next_onion = serialize_onionpacket(hook_payload, rs->next);
plugin_hook_call_htlc_accepted(ld, hook_payload, hook_payload);
/* Falling through here is ok, after all the HTLC locked */