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lightnind: dev-sign-last-tx RPC command for testing penalty txs.

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We don't normally let daemons send invalid txs.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2017-09-26 14:27:31 +09:30
parent cbe72b658e
commit 5957dd9303
1 changed files with 53 additions and 3 deletions
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56
lightningd/peer_control.c
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@ -94,7 +94,7 @@ static void peer_reconnect(struct peer *peer)
try_reconnect, peer);
}
static void drop_to_chain(struct peer *peer)
static void sign_last_tx(struct peer *peer)
{
const tal_t *tmpctx = tal_tmpctx(peer);
u8 *funding_wscript;
@ -123,11 +123,16 @@ static void drop_to_chain(struct peer *peer)
&peer->channel_info->remote_fundingkey,
&local_funding_pubkey);
tal_free(tmpctx);
}
static void drop_to_chain(struct peer *peer)
{
sign_last_tx(peer);
/* Keep broadcasting until we say stop (can fail due to dup,
* if they beat us to the broadcast). */
broadcast_tx(peer->ld->topology, peer, peer->last_tx, NULL);
tal_free(tmpctx);
}
void peer_fail_permanent(struct peer *peer, const u8 *msg)
@ -1627,6 +1632,51 @@ void peer_last_tx(struct peer *peer, struct bitcoin_tx *tx,
peer->last_tx = tal_steal(peer, tx);
}
static void json_sign_last_tx(struct command *cmd,
const char *buffer, const jsmntok_t *params)
{
jsmntok_t *peertok;
struct peer *peer;
struct json_result *response = new_json_result(cmd);
u8 *linear;
if (!json_get_params(buffer, params,
"id", &peertok,
NULL)) {
command_fail(cmd, "Need id");
return;
}
peer = peer_from_json(cmd->ld, buffer, peertok);
if (!peer) {
command_fail(cmd, "Could not find peer with that id");
return;
}
if (!peer->last_tx) {
command_fail(cmd, "Peer has no final transaction");
return;
}
log_debug(peer->log, "dev-sign-last-tx: signing tx with %zu outputs",
tal_count(peer->last_tx->output));
sign_last_tx(peer);
linear = linearize_tx(cmd, peer->last_tx);
json_object_start(response, NULL);
json_add_hex(response, "tx", linear, tal_len(linear));
json_object_end(response);
command_success(cmd, response);
}
static const struct json_command dev_sign_last_tx = {
"dev-sign-last-tx",
json_sign_last_tx,
"Sign and return the last commitment transaction",
"Sign last transaction with peer @id, return as @tx."
" This should never be called outside testing!"
};
AUTODATA(json_command, &dev_sign_last_tx);
/* Is this better than the last tx we were holding? */
static bool better_closing_fee(struct peer *peer, const struct bitcoin_tx *tx)
{