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patch bitcoind_get_mediantime.patch

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This commit is contained in:
Rusty Russell 2016-01-22 06:45:28 +10:30
parent 6afe3f718d
commit 27eedc9f51
2 changed files with 48 additions and 0 deletions
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44
daemon/bitcoind.c
View File

@ -414,6 +414,50 @@ void bitcoind_create_payment(struct lightningd_state *dstate,
"sendtoaddress", addr, amtstr, NULL);
}
static void process_getblock(struct bitcoin_cli *bcli)
{
const jsmntok_t *tokens, *mediantime;
bool valid;
if (!bcli->output)
fatal("bitcoind: '%s' '%s' failed",
bcli->args[0], bcli->args[1]);
tokens = json_parse_input(bcli->output, bcli->output_bytes, &valid);
if (!tokens)
fatal("bitcoind: '%s' '%s' %s response",
bcli->args[0], bcli->args[1],
valid ? "partial" : "invalid");
if (tokens[0].type != JSMN_OBJECT)
fatal("getblock: '%s' gave non-object (%.*s)?",
bcli->args[2],
(int)bcli->output_bytes, bcli->output);
mediantime = json_get_member(bcli->output, tokens, "mediantime");
if (!mediantime)
fatal("getblock: '%s' gave no mediantime field (%.*s)?",
bcli->args[2],
(int)bcli->output_bytes, bcli->output);
if (!json_tok_number(bcli->output, mediantime, bcli->cb_arg))
fatal("getblock: '%s' gave invalud mediantime (%.*s)?",
bcli->args[2],
mediantime->end - mediantime->start,
bcli->output + mediantime->start);
}
void bitcoind_get_mediantime(struct lightningd_state *dstate,
const struct sha256_double *blockid,
u32 *mediantime)
{
char hex[hex_str_size(sizeof(*blockid))];
hex_encode(blockid, sizeof(*blockid), hex, sizeof(hex));
start_bitcoin_cli(dstate, process_getblock, NULL, mediantime,
"getblock", hex, NULL);
}
/* We make sure they have walletbroadcast=0, so we don't broadcast
* the anchor. */
void check_bitcoind_config(struct lightningd_state *dstate)

4
daemon/bitcoind.h
View File

@ -46,5 +46,9 @@ void bitcoind_create_payment(struct lightningd_state *dstate,
struct peer *peer),
struct peer *peer);
void bitcoind_get_mediantime(struct lightningd_state *dstate,
const struct sha256_double *blockid,
u32 *mediantime);
void check_bitcoind_config(struct lightningd_state *dstate);
#endif /* LIGHTNING_DAEMON_BITCOIND_H */