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#ifndef LIGHTNING_LIGHTNINGD_NOTIFICATION_H
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#define LIGHTNING_LIGHTNINGD_NOTIFICATION_H
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#include "config.h"
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#include <bitcoin/short_channel_id.h>
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#include <bitcoin/tx.h>
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#include <ccan/autodata/autodata.h>
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#include <ccan/json_escape/json_escape.h>
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#include <ccan/time/time.h>
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#include <common/amount.h>
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#include <common/coin_mvt.h>
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#include <common/errcode.h>
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#include <common/node_id.h>
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#include <lightningd/htlc_end.h>
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#include <lightningd/jsonrpc.h>
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#include <lightningd/lightningd.h>
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plugin: Add new notification type: warning
This notification bases on `LOG_BROKEN` and `LOG_UNUSUAL` level log.
--Introduction
A notification for topic `warning` is sent every time a new `BROKEN`/
`UNUSUAL` level(in plugins, we use `error`/`warn`) log generated, which
means an unusual/borken thing happens, such as channel failed,
message resolving failed...
```json
{
"warning": {
"level": "warn",
"time": "1559743608.565342521",
"source": "lightningd(17652): 0821f80652fb840239df8dc99205792bba2e559a05469915804c08420230e23c7c chan #7854:",
"log": "Peer permanent failure in CHANNELD_NORMAL: lightning_channeld: sent ERROR bad reestablish dataloss msg"
}
}
```
1. `level` is `warn` or `error`:
`warn` means something seems bad happened and it's under control, but
we'd better check it;
`error` means something extremely bad is out of control, and it may lead
to crash;
2. `time` is the second since epoch;
3. `source`, in fact, is the `prefix` of the log_entry. It means where
the event happened, it may have the following forms:
`<node_id> chan #<db_id_of_channel>:`, `lightningd(<lightningd_pid>):`,
`plugin-<plugin_name>:`, `<daemon_name>(<daemon_pid>):`, `jsonrpc:`,
`jcon fd <error_fd_to_jsonrpc>:`, `plugin-manager`;
4. `log` is the context of the original log entry.
--Note:
1. The main code uses `UNUSUAL`/`BROKEN`, and plugin module uses `warn`
/`error`, considering the consistency with plugin, warning choose `warn`
/`error`. But users who use c-lightning with plugins may want to
`getlog` with specified level when receive warning. It's the duty for
plugin dev to turn `warn`/`error` into `UNUSUAL`/`BROKEN` and present it
to the users, or pass it directly to `getlog`;
2. About time, `json_log()` in `log` module uses the Relative Time, from
the time when `log_book` inited to the time when this event happend.
But I consider the `UNUSUAL`/`BROKEN` event is rare, and it is very
likely to happen after running for a long time, so for users, they will
pay more attention to Absolute Time.
-- Related Change
1. Remove the definitions of `log`, `log_book`, `log_entry` from `log.c`
to `log.h`, then they can be used in warning declaration and definition.
2. Remove `void json_add_time(struct json_stream *result, const char
*fieldname, struct timespec ts)` from `log.c` to `json.c`, and add
related declaration in `json.h`. Now the notification function in
`notification.c` can call it.
2. Add a pointer to `struct lightningd` in `struct log_book`. This may
affect the independence of the `log` module, but storing a pointer to
`ld` is more direct;
6 years ago
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#include <lightningd/log.h>
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plugin: A new notification type, 'sendpay_success'
`sendpay_success`
A notification for topic `sendpay_success` is sent every time a sendpay
success(with `complete` status). The json is same as the return value of
command `sendpay`/`waitsendpay` when these cammand succeeds.
```json
{
"sendpay_success": {
"id": 1,
"payment_hash": "5c85bf402b87d4860f4a728e2e58a2418bda92cd7aea0ce494f11670cfbfb206",
"destination": "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
"msatoshi": 100000000,
"amount_msat": "100000000msat",
"msatoshi_sent": 100001001,
"amount_sent_msat": "100001001msat",
"created_at": 1561390572,
"status": "complete",
"payment_preimage": "9540d98095fd7f37687ebb7759e733934234d4f934e34433d4998a37de3733ee"
}
}
```
`sendpay` doesn't wait for the result of sendpay and `waitsendpay`
returns the result of sendpay in specified time or timeout, but
`sendpay_success` will always return the result anytime when sendpay
successes if is was subscribed.
6 years ago
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#include <lightningd/pay.h>
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#include <lightningd/plugin.h>
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Plugin: New notification type, forward_event
`forward_event`
A notification for topic `forward_event` is sent every time the status
of a forward payment is set. The json format is same as the API
`listforwards`.
```json
{
"forward_event": {
"payment_hash": "f5a6a059a25d1e329d9b094aeeec8c2191ca037d3f5b0662e21ae850debe8ea2",
"in_channel": "103x2x1",
"out_channel": "103x1x1",
"in_msatoshi": 100001001,
"in_msat": "100001001msat",
"out_msatoshi": 100000000,
"out_msat": "100000000msat",
"fee": 1001,
"fee_msat": "1001msat",
"status": "settled",
"received_time": 1560696342.368,
"resolved_time": 1560696342.556
}
}
```
or
```json
{
"forward_event": {
"payment_hash": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"in_channel": "103x2x1",
"out_channel": "110x1x0",
"in_msatoshi": 100001001,
"in_msat": "100001001msat",
"out_msatoshi": 100000000,
"out_msat": "100000000msat",
"fee": 1001,
"fee_msat": "1001msat",
"status": "local_failed",
"failcode": 16392,
"failreason": "WIRE_PERMANENT_CHANNEL_FAILURE",
"received_time": 1560696343.052
}
}
```
- The status includes `offered`, `settled`, `failed` and `local_failed`,
and they are all string type in json.
- When the forward payment is valid for us, we'll set `offered`
and send the forward payment to next hop to resolve;
- When the payment forwarded by us gets paid eventually, the forward
payment will change the status from `offered` to `settled`;
- If payment fails locally(like failing to resolve locally) or the
corresponding htlc with next hop fails(like htlc timeout), we will
set the status as `local_failed`. `local_failed` may be set before
setting `offered` or after setting `offered`. In fact, from the
time we receive the htlc of the previous hop, all we can know the
cause of the failure is treated as `local_failed`. `local_failed`
only occuors locally or happens in the htlc between us and next hop;
- If `local_failed` is set before `offered`, this
means we just received htlc from the previous hop and haven't
generate htlc for next hop. In this case, the json of `forward_event`
sets the fields of `out_msatoshi`, `out_msat`,`fee` and `out_channel`
as 0;
- Note: In fact, for this case we may be not sure if this incoming
htlc represents a pay to us or a payment we need to forward.
We just simply treat all incoming failed to resolve as
`local_failed`.
- Only in `local_failed` case, json includes `failcode` and
`failreason` fields;
- `failed` means the payment forwarded by us fails in the
latter hops, and the failure isn't related to us, so we aren't
accessed to the fail reason. `failed` must be set after
`offered`.
- `failed` case doesn't include `failcode` and `failreason`
fields;
- `received_time` means when we received the htlc of this payment from
the previous peer. It will be contained into all status case;
- `resolved_time` means when the htlc of this payment between us and the
next peer was resolved. The resolved result may success or fail, so
only `settled` and `failed` case contain `resolved_time`;
- The `failcode` and `failreason` are defined in [BOLT 4][bolt4-failure-codes].
6 years ago
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#include <wallet/wallet.h>
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#include <wire/gen_onion_wire.h>
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struct onionreply;
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bool notifications_have_topic(const char *topic);
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struct notification {
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const char *topic;
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/* the serialization interface */
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void *serialize;
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};
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AUTODATA_TYPE(notifications, struct notification);
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/* FIXME: Find a way to avoid back-to-back declaration and definition */
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#define REGISTER_NOTIFICATION(topic, serialize) \
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struct notification topic##_notification_gen = { \
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stringify(topic), \
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serialize, \
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}; \
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AUTODATA(notifications, &topic##_notification_gen);
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void notify_connect(struct lightningd *ld, struct node_id *nodeid,
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struct wireaddr_internal *addr);
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void notify_disconnect(struct lightningd *ld, struct node_id *nodeid);
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plugin: Add new notification type: warning
This notification bases on `LOG_BROKEN` and `LOG_UNUSUAL` level log.
--Introduction
A notification for topic `warning` is sent every time a new `BROKEN`/
`UNUSUAL` level(in plugins, we use `error`/`warn`) log generated, which
means an unusual/borken thing happens, such as channel failed,
message resolving failed...
```json
{
"warning": {
"level": "warn",
"time": "1559743608.565342521",
"source": "lightningd(17652): 0821f80652fb840239df8dc99205792bba2e559a05469915804c08420230e23c7c chan #7854:",
"log": "Peer permanent failure in CHANNELD_NORMAL: lightning_channeld: sent ERROR bad reestablish dataloss msg"
}
}
```
1. `level` is `warn` or `error`:
`warn` means something seems bad happened and it's under control, but
we'd better check it;
`error` means something extremely bad is out of control, and it may lead
to crash;
2. `time` is the second since epoch;
3. `source`, in fact, is the `prefix` of the log_entry. It means where
the event happened, it may have the following forms:
`<node_id> chan #<db_id_of_channel>:`, `lightningd(<lightningd_pid>):`,
`plugin-<plugin_name>:`, `<daemon_name>(<daemon_pid>):`, `jsonrpc:`,
`jcon fd <error_fd_to_jsonrpc>:`, `plugin-manager`;
4. `log` is the context of the original log entry.
--Note:
1. The main code uses `UNUSUAL`/`BROKEN`, and plugin module uses `warn`
/`error`, considering the consistency with plugin, warning choose `warn`
/`error`. But users who use c-lightning with plugins may want to
`getlog` with specified level when receive warning. It's the duty for
plugin dev to turn `warn`/`error` into `UNUSUAL`/`BROKEN` and present it
to the users, or pass it directly to `getlog`;
2. About time, `json_log()` in `log` module uses the Relative Time, from
the time when `log_book` inited to the time when this event happend.
But I consider the `UNUSUAL`/`BROKEN` event is rare, and it is very
likely to happen after running for a long time, so for users, they will
pay more attention to Absolute Time.
-- Related Change
1. Remove the definitions of `log`, `log_book`, `log_entry` from `log.c`
to `log.h`, then they can be used in warning declaration and definition.
2. Remove `void json_add_time(struct json_stream *result, const char
*fieldname, struct timespec ts)` from `log.c` to `json.c`, and add
related declaration in `json.h`. Now the notification function in
`notification.c` can call it.
2. Add a pointer to `struct lightningd` in `struct log_book`. This may
affect the independence of the `log` module, but storing a pointer to
`ld` is more direct;
6 years ago
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void notify_warning(struct lightningd *ld, struct log_entry *l);
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void notify_invoice_payment(struct lightningd *ld, struct amount_msat amount,
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struct preimage preimage, const struct json_escape *label);
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void notify_invoice_creation(struct lightningd *ld, struct amount_msat *amount,
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struct preimage preimage, const struct json_escape *label);
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void notify_channel_opened(struct lightningd *ld, struct node_id *node_id,
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struct amount_sat *funding_sat, struct bitcoin_txid *funding_txid,
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bool *funding_locked);
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Plugin: New notification type, forward_event
`forward_event`
A notification for topic `forward_event` is sent every time the status
of a forward payment is set. The json format is same as the API
`listforwards`.
```json
{
"forward_event": {
"payment_hash": "f5a6a059a25d1e329d9b094aeeec8c2191ca037d3f5b0662e21ae850debe8ea2",
"in_channel": "103x2x1",
"out_channel": "103x1x1",
"in_msatoshi": 100001001,
"in_msat": "100001001msat",
"out_msatoshi": 100000000,
"out_msat": "100000000msat",
"fee": 1001,
"fee_msat": "1001msat",
"status": "settled",
"received_time": 1560696342.368,
"resolved_time": 1560696342.556
}
}
```
or
```json
{
"forward_event": {
"payment_hash": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"in_channel": "103x2x1",
"out_channel": "110x1x0",
"in_msatoshi": 100001001,
"in_msat": "100001001msat",
"out_msatoshi": 100000000,
"out_msat": "100000000msat",
"fee": 1001,
"fee_msat": "1001msat",
"status": "local_failed",
"failcode": 16392,
"failreason": "WIRE_PERMANENT_CHANNEL_FAILURE",
"received_time": 1560696343.052
}
}
```
- The status includes `offered`, `settled`, `failed` and `local_failed`,
and they are all string type in json.
- When the forward payment is valid for us, we'll set `offered`
and send the forward payment to next hop to resolve;
- When the payment forwarded by us gets paid eventually, the forward
payment will change the status from `offered` to `settled`;
- If payment fails locally(like failing to resolve locally) or the
corresponding htlc with next hop fails(like htlc timeout), we will
set the status as `local_failed`. `local_failed` may be set before
setting `offered` or after setting `offered`. In fact, from the
time we receive the htlc of the previous hop, all we can know the
cause of the failure is treated as `local_failed`. `local_failed`
only occuors locally or happens in the htlc between us and next hop;
- If `local_failed` is set before `offered`, this
means we just received htlc from the previous hop and haven't
generate htlc for next hop. In this case, the json of `forward_event`
sets the fields of `out_msatoshi`, `out_msat`,`fee` and `out_channel`
as 0;
- Note: In fact, for this case we may be not sure if this incoming
htlc represents a pay to us or a payment we need to forward.
We just simply treat all incoming failed to resolve as
`local_failed`.
- Only in `local_failed` case, json includes `failcode` and
`failreason` fields;
- `failed` means the payment forwarded by us fails in the
latter hops, and the failure isn't related to us, so we aren't
accessed to the fail reason. `failed` must be set after
`offered`.
- `failed` case doesn't include `failcode` and `failreason`
fields;
- `received_time` means when we received the htlc of this payment from
the previous peer. It will be contained into all status case;
- `resolved_time` means when the htlc of this payment between us and the
next peer was resolved. The resolved result may success or fail, so
only `settled` and `failed` case contain `resolved_time`;
- The `failcode` and `failreason` are defined in [BOLT 4][bolt4-failure-codes].
6 years ago
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void notify_forward_event(struct lightningd *ld,
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const struct htlc_in *in,
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/* May be NULL if we don't know. */
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const struct short_channel_id *scid_out,
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/* May be NULL. */
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const struct amount_msat *amount_out,
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Plugin: New notification type, forward_event
`forward_event`
A notification for topic `forward_event` is sent every time the status
of a forward payment is set. The json format is same as the API
`listforwards`.
```json
{
"forward_event": {
"payment_hash": "f5a6a059a25d1e329d9b094aeeec8c2191ca037d3f5b0662e21ae850debe8ea2",
"in_channel": "103x2x1",
"out_channel": "103x1x1",
"in_msatoshi": 100001001,
"in_msat": "100001001msat",
"out_msatoshi": 100000000,
"out_msat": "100000000msat",
"fee": 1001,
"fee_msat": "1001msat",
"status": "settled",
"received_time": 1560696342.368,
"resolved_time": 1560696342.556
}
}
```
or
```json
{
"forward_event": {
"payment_hash": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"in_channel": "103x2x1",
"out_channel": "110x1x0",
"in_msatoshi": 100001001,
"in_msat": "100001001msat",
"out_msatoshi": 100000000,
"out_msat": "100000000msat",
"fee": 1001,
"fee_msat": "1001msat",
"status": "local_failed",
"failcode": 16392,
"failreason": "WIRE_PERMANENT_CHANNEL_FAILURE",
"received_time": 1560696343.052
}
}
```
- The status includes `offered`, `settled`, `failed` and `local_failed`,
and they are all string type in json.
- When the forward payment is valid for us, we'll set `offered`
and send the forward payment to next hop to resolve;
- When the payment forwarded by us gets paid eventually, the forward
payment will change the status from `offered` to `settled`;
- If payment fails locally(like failing to resolve locally) or the
corresponding htlc with next hop fails(like htlc timeout), we will
set the status as `local_failed`. `local_failed` may be set before
setting `offered` or after setting `offered`. In fact, from the
time we receive the htlc of the previous hop, all we can know the
cause of the failure is treated as `local_failed`. `local_failed`
only occuors locally or happens in the htlc between us and next hop;
- If `local_failed` is set before `offered`, this
means we just received htlc from the previous hop and haven't
generate htlc for next hop. In this case, the json of `forward_event`
sets the fields of `out_msatoshi`, `out_msat`,`fee` and `out_channel`
as 0;
- Note: In fact, for this case we may be not sure if this incoming
htlc represents a pay to us or a payment we need to forward.
We just simply treat all incoming failed to resolve as
`local_failed`.
- Only in `local_failed` case, json includes `failcode` and
`failreason` fields;
- `failed` means the payment forwarded by us fails in the
latter hops, and the failure isn't related to us, so we aren't
accessed to the fail reason. `failed` must be set after
`offered`.
- `failed` case doesn't include `failcode` and `failreason`
fields;
- `received_time` means when we received the htlc of this payment from
the previous peer. It will be contained into all status case;
- `resolved_time` means when the htlc of this payment between us and the
next peer was resolved. The resolved result may success or fail, so
only `settled` and `failed` case contain `resolved_time`;
- The `failcode` and `failreason` are defined in [BOLT 4][bolt4-failure-codes].
6 years ago
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enum forward_status state,
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enum onion_type failcode,
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struct timeabs *resolved_time);
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plugin: A new notification type, 'sendpay_success'
`sendpay_success`
A notification for topic `sendpay_success` is sent every time a sendpay
success(with `complete` status). The json is same as the return value of
command `sendpay`/`waitsendpay` when these cammand succeeds.
```json
{
"sendpay_success": {
"id": 1,
"payment_hash": "5c85bf402b87d4860f4a728e2e58a2418bda92cd7aea0ce494f11670cfbfb206",
"destination": "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
"msatoshi": 100000000,
"amount_msat": "100000000msat",
"msatoshi_sent": 100001001,
"amount_sent_msat": "100001001msat",
"created_at": 1561390572,
"status": "complete",
"payment_preimage": "9540d98095fd7f37687ebb7759e733934234d4f934e34433d4998a37de3733ee"
}
}
```
`sendpay` doesn't wait for the result of sendpay and `waitsendpay`
returns the result of sendpay in specified time or timeout, but
`sendpay_success` will always return the result anytime when sendpay
successes if is was subscribed.
6 years ago
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void notify_sendpay_success(struct lightningd *ld,
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const struct wallet_payment *payment);
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plugin: Another new notification type, 'sendpay_failure'
(The json when sendpay successes is too different when sendpay fails, so
divide the sendpay result into two notifications: `sendpay_success` and
`sendpay_failure`)
`sendpay_failure`
A notification for topic `sendpay_failure` is sent every time a sendpay
success(with `failed` status). The json is same as the return value of
command `sendpay`/`waitsendpay` when this cammand fails.
```json
{
"sendpay_failure": {
"code": 204,
"message": "failed: WIRE_UNKNOWN_NEXT_PEER (reply from remote)",
"data": {
"id": 2,
"payment_hash": "9036e3bdbd2515f1e653cb9f22f8e4c49b73aa2c36e937c926f43e33b8db8851",
"destination": "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
"msatoshi": 100000000,
"amount_msat": "100000000msat",
"msatoshi_sent": 100001001,
"amount_sent_msat": "100001001msat",
"created_at": 1561395134,
"status": "failed",
"erring_index": 1,
"failcode": 16394,
"failcodename": "WIRE_UNKNOWN_NEXT_PEER",
"erring_node": "022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59",
"erring_channel": "103x2x1",
"erring_direction": 0
}
}
}
```
`sendpay` doesn't wait for the result of sendpay and `waitsendpay`
returns the result of sendpay in specified time or timeout, but
`sendpay_failure` will always return the result anytime when sendpay
fails if is was subscribed.
6 years ago
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void notify_sendpay_failure(struct lightningd *ld,
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const struct wallet_payment *payment,
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errcode_t pay_errcode,
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const struct onionreply *onionreply,
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plugin: Another new notification type, 'sendpay_failure'
(The json when sendpay successes is too different when sendpay fails, so
divide the sendpay result into two notifications: `sendpay_success` and
`sendpay_failure`)
`sendpay_failure`
A notification for topic `sendpay_failure` is sent every time a sendpay
success(with `failed` status). The json is same as the return value of
command `sendpay`/`waitsendpay` when this cammand fails.
```json
{
"sendpay_failure": {
"code": 204,
"message": "failed: WIRE_UNKNOWN_NEXT_PEER (reply from remote)",
"data": {
"id": 2,
"payment_hash": "9036e3bdbd2515f1e653cb9f22f8e4c49b73aa2c36e937c926f43e33b8db8851",
"destination": "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
"msatoshi": 100000000,
"amount_msat": "100000000msat",
"msatoshi_sent": 100001001,
"amount_sent_msat": "100001001msat",
"created_at": 1561395134,
"status": "failed",
"erring_index": 1,
"failcode": 16394,
"failcodename": "WIRE_UNKNOWN_NEXT_PEER",
"erring_node": "022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59",
"erring_channel": "103x2x1",
"erring_direction": 0
}
}
}
```
`sendpay` doesn't wait for the result of sendpay and `waitsendpay`
returns the result of sendpay in specified time or timeout, but
`sendpay_failure` will always return the result anytime when sendpay
fails if is was subscribed.
6 years ago
|
|
|
const struct routing_failure *fail,
|
|
|
|
|
const char *errmsg);
|
plugin: Another new notification type, 'sendpay_failure'
(The json when sendpay successes is too different when sendpay fails, so
divide the sendpay result into two notifications: `sendpay_success` and
`sendpay_failure`)
`sendpay_failure`
A notification for topic `sendpay_failure` is sent every time a sendpay
success(with `failed` status). The json is same as the return value of
command `sendpay`/`waitsendpay` when this cammand fails.
```json
{
"sendpay_failure": {
"code": 204,
"message": "failed: WIRE_UNKNOWN_NEXT_PEER (reply from remote)",
"data": {
"id": 2,
"payment_hash": "9036e3bdbd2515f1e653cb9f22f8e4c49b73aa2c36e937c926f43e33b8db8851",
"destination": "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
"msatoshi": 100000000,
"amount_msat": "100000000msat",
"msatoshi_sent": 100001001,
"amount_sent_msat": "100001001msat",
"created_at": 1561395134,
"status": "failed",
"erring_index": 1,
"failcode": 16394,
"failcodename": "WIRE_UNKNOWN_NEXT_PEER",
"erring_node": "022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59",
"erring_channel": "103x2x1",
"erring_direction": 0
}
}
}
```
`sendpay` doesn't wait for the result of sendpay and `waitsendpay`
returns the result of sendpay in specified time or timeout, but
`sendpay_failure` will always return the result anytime when sendpay
fails if is was subscribed.
6 years ago
|
|
|
|
|
|
|
|
void notify_coin_mvt(struct lightningd *ld,
|
|
|
|
|
const struct coin_mvt *mvt);
|
|
|
|
|
#endif /* LIGHTNING_LIGHTNINGD_NOTIFICATION_H */
|
