Tanguy Pruvot
8 years ago
7 changed files with 230 additions and 173 deletions
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#include <ccminer-config.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdbool.h> |
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#include <inttypes.h> |
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#include <unistd.h> |
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#include <math.h> |
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#include <sys/time.h> |
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#include <time.h> |
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#include <signal.h> |
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#include <curl/curl.h> |
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#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 */ |
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static void calc_network_diff(struct work *work) |
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{ |
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uint32_t nbits = work->data[11]; // unsure if correct
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uint32_t bits = (nbits & 0xffffff); |
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int16_t shift = (swab32(nbits) & 0xff); // 0x1c = 28
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uint64_t diffone = 0x0000FFFF00000000ull; |
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double d = (double)0x0000ffff / (double)bits; |
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for (int m=shift; m < 29; m++) d *= 256.0; |
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for (int m=29; m < shift; m++) d /= 256.0; |
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if (sia_debug_diff) |
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applog(LOG_DEBUG, "net diff: %f -> shift %u, bits %08x", d, shift, bits); |
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net_diff = d; |
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} |
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// ---- SIA LONGPOLL --------------------------------------------------------------------------------
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struct data_buffer { |
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void *buf; |
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size_t len; |
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}; |
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static size_t sia_data_cb(const void *ptr, size_t size, size_t nmemb, |
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void *user_data) |
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{ |
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struct data_buffer *db = (struct data_buffer *)user_data; |
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size_t len = size * nmemb; |
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size_t oldlen, newlen; |
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void *newmem; |
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static const uchar zero = 0; |
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oldlen = db->len; |
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newlen = oldlen + len; |
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newmem = realloc(db->buf, newlen + 1); |
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if (!newmem) |
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return 0; |
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db->buf = newmem; |
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db->len = newlen; |
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memcpy((char*)db->buf + oldlen, ptr, len); |
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memcpy((char*)db->buf + newlen, &zero, 1); /* null terminate */ |
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return len; |
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} |
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char* sia_getheader(CURL *curl, struct pool_infos *pool) |
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{ |
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char curl_err_str[CURL_ERROR_SIZE] = { 0 }; |
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struct data_buffer all_data = { 0 }; |
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struct curl_slist *headers = NULL; |
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char data[256] = { 0 }; |
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char url[512]; |
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// nanopool
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snprintf(url, 512, "%s/miner/header?address=%s&worker=%s", //&longpoll
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pool->url, pool->user, pool->pass); |
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if (opt_protocol) |
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); |
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curl_easy_setopt(curl, CURLOPT_URL, url); |
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curl_easy_setopt(curl, CURLOPT_POST, 0); |
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curl_easy_setopt(curl, CURLOPT_ENCODING, ""); |
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curl_easy_setopt(curl, CURLOPT_FAILONERROR, 0); |
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curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); |
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curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1); |
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curl_easy_setopt(curl, CURLOPT_TIMEOUT, opt_timeout); |
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); |
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curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str); |
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, sia_data_cb); |
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data); |
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headers = curl_slist_append(headers, "Accept: application/octet-stream"); |
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headers = curl_slist_append(headers, "Expect:"); // disable Expect hdr
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headers = curl_slist_append(headers, "User-Agent: Sia-Agent"); // required for now
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// headers = curl_slist_append(headers, "User-Agent: " USER_AGENT);
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// 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); |
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if (rc && strlen(curl_err_str)) { |
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applog(LOG_WARNING, "%s", curl_err_str); |
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} |
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if (all_data.len >= 112) |
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cbin2hex(data, (const char*) all_data.buf, 112); |
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if (opt_protocol || all_data.len != 112) |
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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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} |
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bool sia_work_decode(const char *hexdata, struct work *work) |
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{ |
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uint8_t target[32]; |
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if (!work) return false; |
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hex2bin((uchar*)target, &hexdata[0], 32); |
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swab256(work->target, target); |
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work->targetdiff = target_to_diff(work->target); |
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hex2bin((uchar*)work->data, &hexdata[64], 80); |
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// high 16 bits of the 64 bits nonce
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work->data[9] = rand() << 16; |
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// use work ntime as job id
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cbin2hex(work->job_id, (const char*)&work->data[10], 4); |
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calc_network_diff(work); |
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if (stratum_diff != work->targetdiff) { |
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stratum_diff = work->targetdiff; |
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applog(LOG_WARNING, "Pool diff set to %g", stratum_diff); |
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} |
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return true; |
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} |
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bool sia_submit(CURL *curl, struct pool_infos *pool, struct work *work) |
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{ |
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char curl_err_str[CURL_ERROR_SIZE] = { 0 }; |
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struct data_buffer all_data = { 0 }; |
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struct curl_slist *headers = NULL; |
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char buf[256] = { 0 }; |
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char url[512]; |
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if (opt_protocol) |
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applog_hex(work->data, 80); |
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//applog_hex(&work->data[8], 16);
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//applog_hex(&work->data[10], 4);
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// nanopool
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snprintf(url, 512, "%s/miner/header?address=%s&worker=%s", |
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pool->url, pool->user, pool->pass); |
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if (opt_protocol) |
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); |
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curl_easy_setopt(curl, CURLOPT_URL, url); |
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curl_easy_setopt(curl, CURLOPT_ENCODING, ""); |
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curl_easy_setopt(curl, CURLOPT_FAILONERROR, 0); |
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); |
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curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1); |
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curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str); |
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curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); |
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curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10); |
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data); |
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, sia_data_cb); |
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memcpy(buf, work->data, 80); |
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curl_easy_setopt(curl, CURLOPT_POST, 1); |
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curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, 80); |
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, (void*) buf); |
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// headers = curl_slist_append(headers, "Content-Type: application/octet-stream");
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// headers = curl_slist_append(headers, "Content-Length: 80");
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headers = curl_slist_append(headers, "Accept:"); // disable Accept hdr
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headers = curl_slist_append(headers, "Expect:"); // disable Expect hdr
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headers = curl_slist_append(headers, "User-Agent: Sia-Agent"); |
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// headers = curl_slist_append(headers, "User-Agent: " USER_AGENT);
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); |
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int res = curl_easy_perform(curl) == 0; |
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long errcode; |
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CURLcode c = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &errcode); |
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if (errcode != 204) { |
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if (strlen(curl_err_str)) |
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applog(LOG_ERR, "submit err %ld %s", errcode, curl_err_str); |
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res = 0; |
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} |
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share_result(res, work->pooln, work->sharediff[0], res ? NULL : (char*) all_data.buf); |
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curl_slist_free_all(headers); |
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return true; |
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} |
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// ---- END SIA LONGPOLL ----------------------------------------------------------------------------
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@ -0,0 +1,6 @@ |
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#include <miner.h> |
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char* sia_getheader(CURL *curl, struct pool_infos *pool); |
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bool sia_work_decode(const char *hexdata, struct work *work); |
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bool sia_submit(CURL *curl, struct pool_infos *pool, struct work *work); |
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