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Add plugin notification topic "block_processed".

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Changelog-Added: Plugins: Added notification topic "block_processed".
This commit is contained in:
fiatjaf
2022-09-09 09:48:31 -03:00
committed by neil saitug
parent 112115022c
commit 9b33a921f0
6 changed files with 105 additions and 1 deletions
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7
lightningd/chaintopology.c
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@@ -21,6 +21,7 @@
#include <lightningd/jsonrpc.h>
#include <lightningd/lightningd.h>
#include <lightningd/log.h>
#include <lightningd/notification.h>
#include <math.h>
#include <wallet/txfilter.h>
@@ -818,9 +819,13 @@ static void get_new_block(struct bitcoind *bitcoind,
/* Unexpected predecessor? Free predecessor, refetch it. */
if (!bitcoin_blkid_eq(&topo->tip->blkid, &blk->hdr.prev_hash))
remove_tip(topo);
else
else {
add_tip(topo, new_block(topo, blk, topo->tip->height + 1));
/* tell plugins a new block was processed */
notify_block_processed(topo->ld, topo->tip);
}
/* Try for next one. */
try_extend_tip(topo);
}

26
lightningd/notification.c
View File

@@ -582,6 +582,32 @@ void notify_balance_snapshot(struct lightningd *ld,
plugins_notify(ld->plugins, take(n));
}
static void block_processed_notification_serialize(struct json_stream *stream,
struct block *block)
{
json_object_start(stream, "block");
json_add_string(stream, "hash",
type_to_string(tmpctx, struct bitcoin_blkid, &block->blkid));
json_add_u32(stream, "height", block->height);
json_object_end(stream);
}
REGISTER_NOTIFICATION(block_processed,
block_processed_notification_serialize);
void notify_block_processed(struct lightningd *ld,
const struct block *block)
{
void (*serialize)(struct json_stream *,
const struct block *block) = block_processed_notification_gen.serialize;
struct jsonrpc_notification *n =
jsonrpc_notification_start(NULL, "block_processed");
serialize(n->stream, block);
jsonrpc_notification_end(n);
plugins_notify(ld->plugins, take(n));
}
static void openchannel_peer_sigs_serialize(struct json_stream *stream,
const struct channel_id *cid,
const struct wally_psbt *psbt)

4
lightningd/notification.h
View File

@@ -2,6 +2,7 @@
#define LIGHTNING_LIGHTNINGD_NOTIFICATION_H
#include "config.h"
#include <common/coin_mvt.h>
#include <lightningd/chaintopology.h>
#include <lightningd/pay.h>
#include <lightningd/plugin.h>
@@ -86,6 +87,9 @@ void notify_coin_mvt(struct lightningd *ld,
void notify_balance_snapshot(struct lightningd *ld,
const struct balance_snapshot *snap);
void notify_block_processed(struct lightningd *ld,
const struct block *block);
void notify_openchannel_peer_sigs(struct lightningd *ld,
const struct channel_id *cid,
const struct wally_psbt *psbt);