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gossip: Use the getfilteredblock method to look up scid outputs

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Just a tiny shim to reconcile the `get_output` with `getfileteredblock`.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2019-08-05 23:06:07 +02:00 committed by Rusty Russell
parent 3dbaae38e3
commit 98447e454e
2 changed files with 33 additions and 14 deletions
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43
lightningd/gossip_control.c
View File

@ -59,6 +59,34 @@ static void got_txout(struct bitcoind *bitcoind,
tal_free(scid);
}
static void got_filteredblock(struct bitcoind *bitcoind,
struct filteredblock *fb,
void *arg)
{
struct short_channel_id *scid = (struct short_channel_id *)arg;
struct filteredblock_outpoint *fbo = NULL, *o;
struct bitcoin_tx_output txo;
wallet_filteredblock_add(bitcoind->ld->wallet, fb);
u32 outnum = short_channel_id_outnum(scid);
u32 txindex = short_channel_id_txnum(scid);
for (size_t i=0; i<tal_count(fb->outpoints); i++) {
o = fb->outpoints[i];
if (o->txindex == txindex && o->outnum == outnum) {
fbo = o;
break;
}
}
if (fbo) {
txo.amount = fbo->satoshis;
txo.script = (u8 *)fbo->scriptPubKey;
got_txout(bitcoind, &txo, scid);
} else
got_txout(bitcoind, NULL, scid);
}
static void get_txout(struct subd *gossip, const u8 *msg)
{
struct short_channel_id *scid = tal(gossip, struct short_channel_id);
@ -80,21 +108,16 @@ static void get_txout(struct subd *gossip, const u8 *msg)
towire_gossip_get_txout_reply(
scid, scid, op->sat, op->scriptpubkey));
tal_free(scid);
} else if (blockheight >= topo->min_blockheight &&
blockheight <= topo->max_blockheight) {
/* We should have known about this outpoint since it is included
* in the range in the DB. The fact that we don't means that
* this is either a spent outpoint or an invalid one. Return a
} else if (wallet_have_block(gossip->ld->wallet, blockheight)) {
/* We should have known about this outpoint since its header
* is in the DB. The fact that we don't means that this is
* either a spent outpoint or an invalid one. Return a
* failure. */
subd_send_msg(gossip, take(towire_gossip_get_txout_reply(
NULL, scid, AMOUNT_SAT(0), NULL)));
tal_free(scid);
} else {
bitcoind_getoutput(topo->bitcoind,
short_channel_id_blocknum(scid),
short_channel_id_txnum(scid),
short_channel_id_outnum(scid),
got_txout, scid);
bitcoind_getfilteredblock(topo->bitcoind, short_channel_id_blocknum(scid), got_filteredblock, scid);
}
}

4
tests/test_db.py
View File

@ -2,9 +2,6 @@ from fixtures import * # noqa: F401,F403
from utils import wait_for
import pytest
def test_db_dangling_peer_fix(node_factory):
# This was taken from test_fail_unconfirmed() node.
l1 = node_factory.get_node(dbfile='dangling-peer.sqlite3.xz')
@ -21,7 +18,6 @@ def test_db_dangling_peer_fix(node_factory):
l2.fund_channel(l1, 200000, wait_for_active=True)
@pytest.mark.xfail(strict=True)
def test_block_backfill(node_factory, bitcoind):
"""Test whether we backfill data from the blockchain correctly.