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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,203 @@ | ||
| #include <ccminer-config.h> | ||
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| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include <stdbool.h> | ||
| #include <inttypes.h> | ||
| #include <unistd.h> | ||
| #include <math.h> | ||
| #include <sys/time.h> | ||
| #include <time.h> | ||
| #include <signal.h> | ||
| #include <curl/curl.h> | ||
| #include <miner.h> | ||
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| #include "sia-rpc.h" | ||
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| static bool sia_debug_diff = false; | ||
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| extern int share_result(int result, int pooln, double sharediff, const char *reason); | ||
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| /* compute nbits to get the network diff */ | ||
| static void calc_network_diff(struct work *work) | ||
| { | ||
| uint32_t nbits = work->data[11]; // unsure if correct | ||
| uint32_t bits = (nbits & 0xffffff); | ||
| int16_t shift = (swab32(nbits) & 0xff); // 0x1c = 28 | ||
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| uint64_t diffone = 0x0000FFFF00000000ull; | ||
| double d = (double)0x0000ffff / (double)bits; | ||
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| for (int m=shift; m < 29; m++) d *= 256.0; | ||
| for (int m=29; m < shift; m++) d /= 256.0; | ||
| if (sia_debug_diff) | ||
| applog(LOG_DEBUG, "net diff: %f -> shift %u, bits %08x", d, shift, bits); | ||
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| net_diff = d; | ||
| } | ||
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| // ---- SIA LONGPOLL -------------------------------------------------------------------------------- | ||
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| struct data_buffer { | ||
| void *buf; | ||
| size_t len; | ||
| }; | ||
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| static size_t sia_data_cb(const void *ptr, size_t size, size_t nmemb, | ||
| void *user_data) | ||
| { | ||
| struct data_buffer *db = (struct data_buffer *)user_data; | ||
| size_t len = size * nmemb; | ||
| size_t oldlen, newlen; | ||
| void *newmem; | ||
| static const uchar zero = 0; | ||
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| oldlen = db->len; | ||
| newlen = oldlen + len; | ||
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| newmem = realloc(db->buf, newlen + 1); | ||
| if (!newmem) | ||
| return 0; | ||
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| db->buf = newmem; | ||
| db->len = newlen; | ||
| memcpy((char*)db->buf + oldlen, ptr, len); | ||
| memcpy((char*)db->buf + newlen, &zero, 1); /* null terminate */ | ||
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| return len; | ||
| } | ||
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| char* sia_getheader(CURL *curl, struct pool_infos *pool) | ||
| { | ||
| char curl_err_str[CURL_ERROR_SIZE] = { 0 }; | ||
| struct data_buffer all_data = { 0 }; | ||
| struct curl_slist *headers = NULL; | ||
| char data[256] = { 0 }; | ||
| char url[512]; | ||
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| // nanopool | ||
| snprintf(url, 512, "%s/miner/header?address=%s&worker=%s", //&longpoll | ||
| pool->url, pool->user, pool->pass); | ||
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| if (opt_protocol) | ||
| curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); | ||
| curl_easy_setopt(curl, CURLOPT_URL, url); | ||
| curl_easy_setopt(curl, CURLOPT_POST, 0); | ||
| curl_easy_setopt(curl, CURLOPT_ENCODING, ""); | ||
| curl_easy_setopt(curl, CURLOPT_FAILONERROR, 0); | ||
| curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); | ||
| curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1); | ||
| curl_easy_setopt(curl, CURLOPT_TIMEOUT, opt_timeout); | ||
| curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); | ||
| curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str); | ||
| curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, sia_data_cb); | ||
| curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data); | ||
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| headers = curl_slist_append(headers, "Accept: application/octet-stream"); | ||
| headers = curl_slist_append(headers, "Expect:"); // disable Expect hdr | ||
| headers = curl_slist_append(headers, "User-Agent: Sia-Agent"); // required for now | ||
| // headers = curl_slist_append(headers, "User-Agent: " USER_AGENT); | ||
| // headers = curl_slist_append(headers, "X-Mining-Extensions: longpoll"); | ||
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| curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); | ||
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| int rc = curl_easy_perform(curl); | ||
| if (rc && strlen(curl_err_str)) { | ||
| applog(LOG_WARNING, "%s", curl_err_str); | ||
| } | ||
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| if (all_data.len >= 112) | ||
| cbin2hex(data, (const char*) all_data.buf, 112); | ||
| if (opt_protocol || all_data.len != 112) | ||
| applog(LOG_DEBUG, "received %d bytes: %s", (int) all_data.len, data); | ||
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| curl_slist_free_all(headers); | ||
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| return rc == 0 && all_data.len ? strdup(data) : NULL; | ||
| } | ||
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| bool sia_work_decode(const char *hexdata, struct work *work) | ||
| { | ||
| uint8_t target[32]; | ||
| if (!work) return false; | ||
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| hex2bin((uchar*)target, &hexdata[0], 32); | ||
| swab256(work->target, target); | ||
| work->targetdiff = target_to_diff(work->target); | ||
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| hex2bin((uchar*)work->data, &hexdata[64], 80); | ||
| // high 16 bits of the 64 bits nonce | ||
| work->data[9] = rand() << 16; | ||
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| // use work ntime as job id | ||
| cbin2hex(work->job_id, (const char*)&work->data[10], 4); | ||
| calc_network_diff(work); | ||
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| if (stratum_diff != work->targetdiff) { | ||
| stratum_diff = work->targetdiff; | ||
| applog(LOG_WARNING, "Pool diff set to %g", stratum_diff); | ||
| } | ||
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| return true; | ||
| } | ||
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| bool sia_submit(CURL *curl, struct pool_infos *pool, struct work *work) | ||
| { | ||
| char curl_err_str[CURL_ERROR_SIZE] = { 0 }; | ||
| struct data_buffer all_data = { 0 }; | ||
| struct curl_slist *headers = NULL; | ||
| char buf[256] = { 0 }; | ||
| char url[512]; | ||
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| if (opt_protocol) | ||
| applog_hex(work->data, 80); | ||
| //applog_hex(&work->data[8], 16); | ||
| //applog_hex(&work->data[10], 4); | ||
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| // nanopool | ||
| snprintf(url, 512, "%s/miner/header?address=%s&worker=%s", | ||
| pool->url, pool->user, pool->pass); | ||
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| if (opt_protocol) | ||
| curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); | ||
| curl_easy_setopt(curl, CURLOPT_URL, url); | ||
| curl_easy_setopt(curl, CURLOPT_ENCODING, ""); | ||
| curl_easy_setopt(curl, CURLOPT_FAILONERROR, 0); | ||
| curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); | ||
| curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1); | ||
| curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str); | ||
| curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); | ||
| curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10); | ||
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| curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data); | ||
| curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, sia_data_cb); | ||
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| memcpy(buf, work->data, 80); | ||
| curl_easy_setopt(curl, CURLOPT_POST, 1); | ||
| curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, 80); | ||
| curl_easy_setopt(curl, CURLOPT_POSTFIELDS, (void*) buf); | ||
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| // headers = curl_slist_append(headers, "Content-Type: application/octet-stream"); | ||
| // headers = curl_slist_append(headers, "Content-Length: 80"); | ||
| headers = curl_slist_append(headers, "Accept:"); // disable Accept hdr | ||
| headers = curl_slist_append(headers, "Expect:"); // disable Expect hdr | ||
| headers = curl_slist_append(headers, "User-Agent: Sia-Agent"); | ||
| // headers = curl_slist_append(headers, "User-Agent: " USER_AGENT); | ||
| curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); | ||
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| int res = curl_easy_perform(curl) == 0; | ||
| long errcode; | ||
| CURLcode c = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &errcode); | ||
| if (errcode != 204) { | ||
| if (strlen(curl_err_str)) | ||
| applog(LOG_ERR, "submit err %ld %s", errcode, curl_err_str); | ||
| res = 0; | ||
| } | ||
| share_result(res, work->pooln, work->sharediff[0], res ? NULL : (char*) all_data.buf); | ||
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| curl_slist_free_all(headers); | ||
| return true; | ||
| } | ||
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| // ---- END SIA LONGPOLL ---------------------------------------------------------------------------- |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| #include <miner.h> | ||
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| char* sia_getheader(CURL *curl, struct pool_infos *pool); | ||
| bool sia_work_decode(const char *hexdata, struct work *work); | ||
| bool sia_submit(CURL *curl, struct pool_infos *pool, struct work *work); | ||
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