static bool stratum_show_message(struct stratum_ctx *sctx, json_t *id, json_t *params)
{
char *s;
json_t *val;
bool ret;
val = json_array_get(params, 0);
if (val)
applog(LOG_NOTICE, "MESSAGE FROM SERVER: %s", json_string_value(val));
if (!id || json_is_null(id))
return true;
val = json_object();
json_object_set(val, "id", id);
json_object_set_new(val, "error", json_null());
json_object_set_new(val, "result", json_true());
s = json_dumps(val, 0);
ret = stratum_send_line(sctx, s);
json_decref(val);
free(s);
return ret;
}
bool stratum_authorize(struct stratum_ctx *sctx, const char *user, const char *pass)
{
json_t *val = NULL, *res_val, *err_val;
char *s, *sret;
json_error_t err;
bool ret = false;
if(jsonrpc_2) {
s = (char*)malloc(300 + strlen(user) + strlen(pass));
sprintf(s, "{\"method\": \"login\", \"params\": {\"login\": \"%s\", \"pass\": \"%s\", \"agent\": \"cpuminer-multi/0.1\"}, \"id\": 1}",
user, pass);
} else {
s = (char*)malloc(80 + strlen(user) + strlen(pass));
sprintf(s, "{\"id\": 2, \"method\": \"mining.authorize\", \"params\": [\"%s\", \"%s\"]}",
user, pass);
}
if (!stratum_send_line(sctx, s))
goto out;
while (1) {
sret = stratum_recv_line(sctx);
if (!sret)
goto out;
if (!stratum_handle_method(sctx, sret))
break;
free(sret);
}
val = JSON_LOADS(sret, &err);
free(sret);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_false(res_val) ||
(err_val && !json_is_null(err_val))) {
applog(LOG_ERR, "Stratum authentication failed");
goto out;
}
if(jsonrpc_2) {
rpc2_login_decode(val);
json_t *job_val = json_object_get(res_val, "job");
pthread_mutex_lock(&sctx->work_lock);
if(job_val) rpc2_job_decode(job_val, &sctx->work);
pthread_mutex_unlock(&sctx->work_lock);
}
ret = true;
out:
free(s);
if (val)
json_decref(val);
return ret;
}
bool stratum_subscribe(struct stratum_ctx *sctx)
{
if(jsonrpc_2) return true;
char *s, *sret = NULL;
const char *sid, *xnonce1;
int xn2_size;
json_t *val = NULL, *res_val, *err_val;
json_error_t err;
bool ret = false, retry = false;
start:
s = (char*)malloc(128 + (sctx->session_id ? strlen(sctx->session_id) : 0));
if (retry)
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": []}");
else if (sctx->session_id)
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": [\"" USER_AGENT "\", \"%s\"]}", sctx->session_id);
else
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": [\"" USER_AGENT "\"]}");
if (!stratum_send_line(sctx, s))
goto out;
if (!socket_full(sctx->sock, 30)) {
applog(LOG_ERR, "stratum_subscribe timed out");
goto out;
}
sret = stratum_recv_line(sctx);
if (!sret)
goto out;
val = JSON_LOADS(sret, &err);
free(sret);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_null(res_val) ||
(err_val && !json_is_null(err_val))) {
if (opt_debug || retry) {
free(s);
if (err_val)
s = json_dumps(err_val, JSON_INDENT(3));
else
s = strdup("(unknown reason)");
applog(LOG_ERR, "JSON-RPC call failed: %s", s);
}
goto out;
}
sid = get_stratum_session_id(res_val);
if (opt_debug && !sid)
applog(LOG_DEBUG, "Failed to get Stratum session id");
xnonce1 = json_string_value(json_array_get(res_val, 1));
if (!xnonce1) {
applog(LOG_ERR, "Failed to get extranonce1");
goto out;
}
xn2_size = json_integer_value(json_array_get(res_val, 2));
if (!xn2_size) {
applog(LOG_ERR, "Failed to get extranonce2_size");
goto out;
}
pthread_mutex_lock(&sctx->work_lock);
free(sctx->session_id);
free(sctx->xnonce1);
sctx->session_id = sid ? strdup(sid) : NULL;
sctx->xnonce1_size = strlen(xnonce1) / 2;
sctx->xnonce1 = (unsigned char*)malloc(sctx->xnonce1_size);
hex2bin(sctx->xnonce1, xnonce1, sctx->xnonce1_size);
sctx->xnonce2_size = xn2_size;
sctx->next_diff = 1.0;
pthread_mutex_unlock(&sctx->work_lock);
if (opt_debug && sid)
applog(LOG_DEBUG, "Stratum session id: %s", sctx->session_id);
ret = true;
out:
free(s);
if (val)
json_decref(val);
if (!ret) {
if (sret && !retry) {
retry = true;
goto start;
}
}
return ret;
}
