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daemon: handle bitcoin transaction re-broadcasting.

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It's primitive, but we re-broadcast any txs not included in the main
chain every time the tip moves.  We only track transactions we are
watching, but that turns out to cover every transaction we generate
anyway.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-05-04 16:03:10 +09:30
parent c1dc0e54fa
commit 17167704a6
6 changed files with 123 additions and 41 deletions
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28
daemon/bitcoind.c
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@@ -220,34 +220,6 @@ void bitcoind_estimate_fee_(struct lightningd_state *dstate,
"estimatefee", "2", NULL);
}
static void process_sendtx(struct bitcoin_cli *bcli)
{
struct sha256_double txid;
const char *out = (char *)bcli->output;
/* We expect a txid, plus \n */
if (bcli->output_bytes == 0
|| !bitcoin_txid_from_hex(out, bcli->output_bytes-1, &txid))
fatal("sendrawtransaction bad hex: %.*s",
(int)bcli->output_bytes, out);
log_debug(bcli->dstate->base_log, "sendrawtx gave %.*s",
(int)bcli->output_bytes, out);
/* FIXME: Compare against expected txid? */
}
void bitcoind_send_tx(struct lightningd_state *dstate,
const struct bitcoin_tx *tx)
{
u8 *raw = linearize_tx(dstate, tx);
char *hex = tal_hexstr(raw, raw, tal_count(raw));
start_bitcoin_cli(dstate, process_sendtx, false, NULL, NULL,
"sendrawtransaction", hex, NULL);
tal_free(raw);
}
static void process_sendrawtx(struct bitcoin_cli *bcli)
{
void (*cb)(struct lightningd_state *dstate,