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lightningd: make setchannelfee handle multiple channels per peer.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2022-03-23 09:29:18 +10:30
parent b3438e9bba
commit cb5dc48cab
4 changed files with 56 additions and 51 deletions
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95
lightningd/peer_control.c
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@@ -2145,35 +2145,46 @@ static struct command_result *param_channel_or_all(struct command *cmd,
const char *name,
const char *buffer,
const jsmntok_t *tok,
struct channel **channel)
struct channel ***channels)
{
struct command_result *res;
struct peer *peer;
/* early return the easy case */
if (json_tok_streq(buffer, tok, "all")) {
*channel = NULL;
*channels = NULL;
return NULL;
}
/* Find channel by peer_id */
/* Find channels by peer_id */
peer = peer_from_json(cmd->ld, buffer, tok);
if (peer) {
*channel = peer_active_channel(peer);
if (!*channel)
return command_fail(cmd, LIGHTNINGD,
"Could not find active channel of peer with that id");
return NULL;
struct channel *channel;
*channels = tal_arr(cmd, struct channel *, 0);
list_for_each(&peer->channels, channel, list) {
if (channel->state != CHANNELD_NORMAL
&& channel->state != CHANNELD_AWAITING_LOCKIN
&& channel->state != DUALOPEND_AWAITING_LOCKIN)
continue;
tal_arr_expand(channels, channel);
}
if (tal_count(*channels) == 0)
return command_fail(cmd, LIGHTNINGD,
"Could not find any active channels of peer with that id");
return NULL;
/* Find channel by id or scid */
} else {
res = command_find_channel(cmd, buffer, tok, channel);
struct channel *channel;
res = command_find_channel(cmd, buffer, tok, &channel);
if (res)
return res;
/* check channel is found and in valid state */
if (!*channel)
if (!channel)
return command_fail(cmd, LIGHTNINGD,
"Could not find channel with that id");
*channels = tal_arr(cmd, struct channel *, 1);
(*channels)[0] = channel;
return NULL;
}
}
@@ -2304,12 +2315,12 @@ static struct command_result *json_setchannelfee(struct command *cmd,
{
struct json_stream *response;
struct peer *peer;
struct channel *channel;
struct channel **channels;
u32 *base, *ppm, *delaysecs;
/* Parse the JSON command */
if (!param(cmd, buffer, params,
p_req("id", param_channel_or_all, &channel),
p_req("id", param_channel_or_all, &channels),
p_opt_def("base", param_msat_u32,
&base, cmd->ld->config.fee_base),
p_opt_def("ppm", param_number, &ppm,
@@ -2318,13 +2329,6 @@ static struct command_result *json_setchannelfee(struct command *cmd,
NULL))
return command_param_failed();
if (channel
&& channel->state != CHANNELD_NORMAL
&& channel->state != CHANNELD_AWAITING_LOCKIN
&& channel->state != DUALOPEND_AWAITING_LOCKIN)
return command_fail(cmd, LIGHTNINGD,
"Channel is in state %s", channel_state_name(channel));
/* Open JSON response object for later iteration */
response = json_stream_success(cmd);
json_add_num(response, "base", *base);
@@ -2332,8 +2336,9 @@ static struct command_result *json_setchannelfee(struct command *cmd,
json_array_start(response, "channels");
/* If the users requested 'all' channels we need to iterate */
if (channel == NULL) {
if (channels == NULL) {
list_for_each(&cmd->ld->peers, peer, list) {
struct channel *channel;
list_for_each(&peer->channels, channel, list) {
if (channel->state != CHANNELD_NORMAL &&
channel->state != CHANNELD_AWAITING_LOCKIN &&
@@ -2343,10 +2348,12 @@ static struct command_result *json_setchannelfee(struct command *cmd,
*delaysecs, response, false);
}
}
/* single channel should be updated */
/* single peer should be updated */
} else {
set_channel_config(cmd, channel, base, ppm, NULL, NULL,
*delaysecs, response, false);
for (size_t i = 0; i < tal_count(channels); i++) {
set_channel_config(cmd, channels[i], base, ppm, NULL, NULL,
*delaysecs, response, false);
}
}
/* Close and return response */
@@ -2376,13 +2383,13 @@ static struct command_result *json_setchannel(struct command *cmd,
{
struct json_stream *response;
struct peer *peer;
struct channel *channel;
struct channel **channels;
u32 *base, *ppm, *delaysecs;
struct amount_msat *htlc_min, *htlc_max;
/* Parse the JSON command */
if (!param(cmd, buffer, params,
p_req("id", param_channel_or_all, &channel),
p_req("id", param_channel_or_all, &channels),
p_opt("feebase", param_msat_u32, &base),
p_opt("feeppm", param_number, &ppm),
p_opt("htlcmin", param_msat, &htlc_min),
@@ -2398,37 +2405,31 @@ static struct command_result *json_setchannel(struct command *cmd,
"htlcmax cannot be less than htlcmin");
}
if (channel
&& channel->state != CHANNELD_NORMAL
&& channel->state != CHANNELD_AWAITING_LOCKIN
&& channel->state != DUALOPEND_AWAITING_LOCKIN)
return command_fail(cmd, LIGHTNINGD,
"Channel is in state %s", channel_state_name(channel));
/* Open JSON response object for later iteration */
response = json_stream_success(cmd);
json_array_start(response, "channels");
/* If the users requested 'all' channels we need to iterate */
if (channel == NULL) {
if (channels == NULL) {
list_for_each(&cmd->ld->peers, peer, list) {
channel = peer_active_channel(peer);
if (!channel)
continue;
if (channel->state != CHANNELD_NORMAL &&
channel->state != CHANNELD_AWAITING_LOCKIN &&
channel->state != DUALOPEND_AWAITING_LOCKIN)
continue;
set_channel_config(cmd, channel, base, ppm,
struct channel *channel;
list_for_each(&peer->channels, channel, list) {
if (channel->state != CHANNELD_NORMAL &&
channel->state != CHANNELD_AWAITING_LOCKIN &&
channel->state != DUALOPEND_AWAITING_LOCKIN)
continue;
set_channel_config(cmd, channel, base, ppm,
htlc_min, htlc_max,
*delaysecs, response, true);
}
}
/* single peer should be updated */
} else {
for (size_t i = 0; i < tal_count(channels); i++) {
set_channel_config(cmd, channels[i], base, ppm,
htlc_min, htlc_max,
*delaysecs, response, true);
}
/* single channel should be updated */
} else {
set_channel_config(cmd, channel, base, ppm,
htlc_min, htlc_max,
*delaysecs, response, true);
}
/* Close and return response */