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moveonly: Move the channel details into json_add_channel 

This used to be inline, but we want to pass channels to hooks as well,
so we just extract this into its own function.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
confirmed-only
Christian Decker 6 years ago
parent
bccb8db974
commit
828d088d60
1 changed files with 183 additions and 182 deletions
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  1. 365
      lightningd/peer_control.c

365
lightningd/peer_control.c
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@ -432,6 +432,187 @@ struct peer_connected_hook_response {
enum peer_connected_hook_result result;
};
static void json_add_htlcs(struct lightningd *ld,
struct json_stream *response,
const struct channel *channel)
{
/* FIXME: make per-channel htlc maps! */
const struct htlc_in *hin;
struct htlc_in_map_iter ini;
const struct htlc_out *hout;
struct htlc_out_map_iter outi;
/* FIXME: Add more fields. */
json_array_start(response, "htlcs");
for (hin = htlc_in_map_first(&ld->htlcs_in, &ini);
hin;
hin = htlc_in_map_next(&ld->htlcs_in, &ini)) {
if (hin->key.channel != channel)
continue;
json_object_start(response, NULL);
json_add_string(response, "direction", "in");
json_add_u64(response, "id", hin->key.id);
json_add_u64(response, "msatoshi", hin->msatoshi);
json_add_u64(response, "expiry", hin->cltv_expiry);
json_add_hex(response, "payment_hash",
&hin->payment_hash, sizeof(hin->payment_hash));
json_add_string(response, "state",
htlc_state_name(hin->hstate));
json_object_end(response);
}
for (hout = htlc_out_map_first(&ld->htlcs_out, &outi);
hout;
hout = htlc_out_map_next(&ld->htlcs_out, &outi)) {
if (hout->key.channel != channel)
continue;
json_object_start(response, NULL);
json_add_string(response, "direction", "out");
json_add_u64(response, "id", hout->key.id);
json_add_u64(response, "msatoshi", hout->msatoshi);
json_add_u64(response, "expiry", hout->cltv_expiry);
json_add_hex(response, "payment_hash",
&hout->payment_hash, sizeof(hout->payment_hash));
json_add_string(response, "state",
htlc_state_name(hout->hstate));
json_object_end(response);
}
json_array_end(response);
}
static void json_add_channel(struct lightningd *ld,
struct json_stream *response, const char *key,
const struct channel *channel)
{
struct channel_id cid;
struct channel_stats channel_stats;
struct peer *p = channel->peer;
u64 our_reserve_msat =
channel->channel_info.their_config.channel_reserve_satoshis * 1000;
json_object_start(response, key);
json_add_string(response, "state", channel_state_name(channel));
if (channel->last_tx) {
struct bitcoin_txid txid;
bitcoin_txid(channel->last_tx, &txid);
json_add_txid(response, "scratch_txid", &txid);
}
if (channel->owner)
json_add_string(response, "owner", channel->owner->name);
if (channel->scid) {
json_add_short_channel_id(response, "short_channel_id",
channel->scid);
json_add_num(response, "direction",
pubkey_idx(&ld->id, &channel->peer->id));
}
derive_channel_id(&cid, &channel->funding_txid,
channel->funding_outnum);
json_add_string(response, "channel_id",
type_to_string(tmpctx, struct channel_id, &cid));
json_add_txid(response, "funding_txid", &channel->funding_txid);
json_add_bool(
response, "private",
!(channel->channel_flags & CHANNEL_FLAGS_ANNOUNCE_CHANNEL));
// FIXME @conscott : Modify this when dual-funded channels
// are implemented
json_object_start(response, "funding_allocation_msat");
if (channel->funder == LOCAL) {
json_add_u64(response, pubkey_to_hexstr(tmpctx, &p->id), 0);
json_add_u64(response, pubkey_to_hexstr(tmpctx, &ld->id),
channel->funding_satoshi * 1000);
} else {
json_add_u64(response, pubkey_to_hexstr(tmpctx, &ld->id), 0);
json_add_u64(response, pubkey_to_hexstr(tmpctx, &p->id),
channel->funding_satoshi * 1000);
}
json_object_end(response);
json_add_u64(response, "msatoshi_to_us", channel->our_msatoshi);
json_add_u64(response, "msatoshi_to_us_min",
channel->msatoshi_to_us_min);
json_add_u64(response, "msatoshi_to_us_max",
channel->msatoshi_to_us_max);
json_add_u64(response, "msatoshi_total",
channel->funding_satoshi * 1000);
/* channel config */
json_add_u64(response, "dust_limit_satoshis",
channel->our_config.dust_limit_satoshis);
json_add_u64(response, "max_htlc_value_in_flight_msat",
channel->our_config.max_htlc_value_in_flight_msat);
/* The `channel_reserve_satoshis` is imposed on
* the *other* side (see `channel_reserve_msat`
* function in, it uses `!side` to flip sides).
* So our configuration `channel_reserve_satoshis`
* is imposed on their side, while their
* configuration `channel_reserve_satoshis` is
* imposed on ours. */
json_add_u64(response, "their_channel_reserve_satoshis",
channel->our_config.channel_reserve_satoshis);
json_add_u64(
response, "our_channel_reserve_satoshis",
channel->channel_info.their_config.channel_reserve_satoshis);
/* Compute how much we can send via this channel. */
if (channel->our_msatoshi <= our_reserve_msat)
json_add_u64(response, "spendable_msatoshi", 0);
else
json_add_u64(response, "spendable_msatoshi",
channel->our_msatoshi - our_reserve_msat);
json_add_u64(response, "htlc_minimum_msat",
channel->our_config.htlc_minimum_msat);
/* The `to_self_delay` is imposed on the *other*
* side, so our configuration `to_self_delay` is
* imposed on their side, while their configuration
* `to_self_delay` is imposed on ours. */
json_add_num(response, "their_to_self_delay",
channel->our_config.to_self_delay);
json_add_num(response, "our_to_self_delay",
channel->channel_info.their_config.to_self_delay);
json_add_num(response, "max_accepted_htlcs",
channel->our_config.max_accepted_htlcs);
json_array_start(response, "status");
for (size_t i = 0; i < ARRAY_SIZE(channel->billboard.permanent); i++) {
if (!channel->billboard.permanent[i])
continue;
json_add_string(response, NULL,
channel->billboard.permanent[i]);
}
if (channel->billboard.transient)
json_add_string(response, NULL, channel->billboard.transient);
json_array_end(response);
/* Provide channel statistics */
wallet_channel_stats_load(ld->wallet, channel->dbid, &channel_stats);
json_add_u64(response, "in_payments_offered",
channel_stats.in_payments_offered);
json_add_u64(response, "in_msatoshi_offered",
channel_stats.in_msatoshi_offered);
json_add_u64(response, "in_payments_fulfilled",
channel_stats.in_payments_fulfilled);
json_add_u64(response, "in_msatoshi_fulfilled",
channel_stats.in_msatoshi_fulfilled);
json_add_u64(response, "out_payments_offered",
channel_stats.out_payments_offered);
json_add_u64(response, "out_msatoshi_offered",
channel_stats.out_msatoshi_offered);
json_add_u64(response, "out_payments_fulfilled",
channel_stats.out_payments_fulfilled);
json_add_u64(response, "out_msatoshi_fulfilled",
channel_stats.out_msatoshi_fulfilled);
json_add_htlcs(ld, response, channel);
json_object_end(response);
}
static void
peer_connected_serialize(struct peer_connected_hook_payload *payload,
struct json_stream *stream)
@ -663,56 +844,6 @@ void channel_watch_funding(struct lightningd *ld, struct channel *channel)
funding_spent);
}
static void json_add_htlcs(struct lightningd *ld,
struct json_stream *response,
const struct channel *channel)
{
/* FIXME: make per-channel htlc maps! */
const struct htlc_in *hin;
struct htlc_in_map_iter ini;
const struct htlc_out *hout;
struct htlc_out_map_iter outi;
/* FIXME: Add more fields. */
json_array_start(response, "htlcs");
for (hin = htlc_in_map_first(&ld->htlcs_in, &ini);
hin;
hin = htlc_in_map_next(&ld->htlcs_in, &ini)) {
if (hin->key.channel != channel)
continue;
json_object_start(response, NULL);
json_add_string(response, "direction", "in");
json_add_u64(response, "id", hin->key.id);
json_add_u64(response, "msatoshi", hin->msatoshi);
json_add_u64(response, "expiry", hin->cltv_expiry);
json_add_hex(response, "payment_hash",
&hin->payment_hash, sizeof(hin->payment_hash));
json_add_string(response, "state",
htlc_state_name(hin->hstate));
json_object_end(response);
}
for (hout = htlc_out_map_first(&ld->htlcs_out, &outi);
hout;
hout = htlc_out_map_next(&ld->htlcs_out, &outi)) {
if (hout->key.channel != channel)
continue;
json_object_start(response, NULL);
json_add_string(response, "direction", "out");
json_add_u64(response, "id", hout->key.id);
json_add_u64(response, "msatoshi", hout->msatoshi);
json_add_u64(response, "expiry", hout->cltv_expiry);
json_add_hex(response, "payment_hash",
&hout->payment_hash, sizeof(hout->payment_hash));
json_add_string(response, "state",
htlc_state_name(hout->hstate));
json_object_end(response);
}
json_array_end(response);
}
static void json_add_peer(struct lightningd *ld,
struct json_stream *response,
struct peer *p,
@ -758,138 +889,8 @@ static void json_add_peer(struct lightningd *ld,
json_array_start(response, "channels");
json_add_uncommitted_channel(response, p->uncommitted_channel);
list_for_each(&p->channels, channel, list) {
struct channel_id cid;
struct channel_stats channel_stats;
u64 our_reserve_msat = channel->channel_info.their_config.channel_reserve_satoshis * 1000;
json_object_start(response, NULL);
json_add_string(response, "state",
channel_state_name(channel));
if (channel->last_tx) {
struct bitcoin_txid txid;
bitcoin_txid(channel->last_tx, &txid);
json_add_txid(response, "scratch_txid", &txid);
}
if (channel->owner)
json_add_string(response, "owner",
channel->owner->name);
if (channel->scid) {
json_add_short_channel_id(response,
"short_channel_id",
channel->scid);
json_add_num(response, "direction",
pubkey_idx(&ld->id, &p->id));
}
derive_channel_id(&cid,
&channel->funding_txid,
channel->funding_outnum);
json_add_string(response, "channel_id",
type_to_string(tmpctx, struct channel_id, &cid));
json_add_txid(response,
"funding_txid",
&channel->funding_txid);
json_add_bool(response, "private",
!(channel->channel_flags & CHANNEL_FLAGS_ANNOUNCE_CHANNEL));
// FIXME @conscott : Modify this when dual-funded channels
// are implemented
json_object_start(response, "funding_allocation_msat");
if (channel->funder == LOCAL) {
json_add_u64(response, pubkey_to_hexstr(tmpctx, &p->id), 0);
json_add_u64(response, pubkey_to_hexstr(tmpctx, &ld->id),
channel->funding_satoshi * 1000);
} else {
json_add_u64(response, pubkey_to_hexstr(tmpctx, &ld->id), 0);
json_add_u64(response, pubkey_to_hexstr(tmpctx, &p->id),
channel->funding_satoshi * 1000);
}
json_object_end(response);
json_add_u64(response, "msatoshi_to_us",
channel->our_msatoshi);
json_add_u64(response, "msatoshi_to_us_min",
channel->msatoshi_to_us_min);
json_add_u64(response, "msatoshi_to_us_max",
channel->msatoshi_to_us_max);
json_add_u64(response, "msatoshi_total",
channel->funding_satoshi * 1000);
/* channel config */
json_add_u64(response, "dust_limit_satoshis",
channel->our_config.dust_limit_satoshis);
json_add_u64(response, "max_htlc_value_in_flight_msat",
channel->our_config.max_htlc_value_in_flight_msat);
/* The `channel_reserve_satoshis` is imposed on
* the *other* side (see `channel_reserve_msat`
* function in, it uses `!side` to flip sides).
* So our configuration `channel_reserve_satoshis`
* is imposed on their side, while their
* configuration `channel_reserve_satoshis` is
* imposed on ours. */
json_add_u64(response, "their_channel_reserve_satoshis",
channel->our_config.channel_reserve_satoshis);
json_add_u64(response, "our_channel_reserve_satoshis",
channel->channel_info.their_config.channel_reserve_satoshis);
/* Compute how much we can send via this channel. */
if (channel->our_msatoshi <= our_reserve_msat)
json_add_u64(response, "spendable_msatoshi", 0);
else
json_add_u64(response, "spendable_msatoshi",
channel->our_msatoshi - our_reserve_msat);
json_add_u64(response, "htlc_minimum_msat",
channel->our_config.htlc_minimum_msat);
/* The `to_self_delay` is imposed on the *other*
* side, so our configuration `to_self_delay` is
* imposed on their side, while their configuration
* `to_self_delay` is imposed on ours. */
json_add_num(response, "their_to_self_delay",
channel->our_config.to_self_delay);
json_add_num(response, "our_to_self_delay",
channel->channel_info.their_config.to_self_delay);
json_add_num(response, "max_accepted_htlcs",
channel->our_config.max_accepted_htlcs);
json_array_start(response, "status");
for (size_t i = 0;
i < ARRAY_SIZE(channel->billboard.permanent);
i++) {
if (!channel->billboard.permanent[i])
continue;
json_add_string(response, NULL,
channel->billboard.permanent[i]);
}
if (channel->billboard.transient)
json_add_string(response, NULL,
channel->billboard.transient);
json_array_end(response);
/* Provide channel statistics */
wallet_channel_stats_load(ld->wallet,
channel->dbid,
&channel_stats);
json_add_u64(response, "in_payments_offered",
channel_stats.in_payments_offered);
json_add_u64(response, "in_msatoshi_offered",
channel_stats.in_msatoshi_offered);
json_add_u64(response, "in_payments_fulfilled",
channel_stats.in_payments_fulfilled);
json_add_u64(response, "in_msatoshi_fulfilled",
channel_stats.in_msatoshi_fulfilled);
json_add_u64(response, "out_payments_offered",
channel_stats.out_payments_offered);
json_add_u64(response, "out_msatoshi_offered",
channel_stats.out_msatoshi_offered);
json_add_u64(response, "out_payments_fulfilled",
channel_stats.out_payments_fulfilled);
json_add_u64(response, "out_msatoshi_fulfilled",
channel_stats.out_msatoshi_fulfilled);
json_add_htlcs(ld, response, channel);
json_object_end(response);
}
list_for_each(&p->channels, channel, list)
json_add_channel(ld, response, NULL, channel);
json_array_end(response);
if (ll)

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