--- /dev/null
+/**
+ * x16r algo implementation
+ *
+ * Implementation by tpruvot@github Jan 2018
+ */
+#include "miner.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sha3/sph_blake.h>
+#include <sha3/sph_bmw.h>
+#include <sha3/sph_groestl.h>
+#include <sha3/sph_jh.h>
+#include <sha3/sph_keccak.h>
+#include <sha3/sph_skein.h>
+#include <sha3/sph_luffa.h>
+#include <sha3/sph_cubehash.h>
+#include <sha3/sph_shavite.h>
+#include <sha3/sph_simd.h>
+#include <sha3/sph_echo.h>
+#include <sha3/sph_hamsi.h>
+#include <sha3/sph_fugue.h>
+#include <sha3/sph_shabal.h>
+#include <sha3/sph_whirlpool.h>
+#include <sha3/sph_sha2.h>
+
+enum Algo {
+ BLAKE = 0,
+ BMW,
+ GROESTL,
+ JH,
+ KECCAK,
+ SKEIN,
+ LUFFA,
+ CUBEHASH,
+ SHAVITE,
+ SIMD,
+ ECHO,
+ HAMSI,
+ FUGUE,
+ SHABAL,
+ WHIRLPOOL,
+ SHA512,
+ HASH_FUNC_COUNT
+};
+
+static __thread uint32_t s_ntime = UINT32_MAX;
+static __thread char hashOrder[HASH_FUNC_COUNT + 1] = { 0 };
+
+static void getAlgoString(const uint8_t* prevblock, char *output)
+{
+ char *sptr = output;
+ for (int j = 0; j < HASH_FUNC_COUNT; j++) {
+ uint8_t b = (15 - j) >> 1; // 16 first ascii hex chars (lsb in uint256)
+ uint8_t algoDigit = (j & 1) ? prevblock[b] & 0xF : prevblock[b] >> 4;
+ if (algoDigit >= 10)
+ sprintf(sptr, "%c", 'A' + (algoDigit - 10));
+ else
+ sprintf(sptr, "%u", (uint32_t) algoDigit);
+ sptr++;
+ }
+ *sptr = '\0';
+}
+
+void x16r_hash(void* output, const void* input)
+{
+ uint32_t _ALIGN(128) hash[64/4];
+
+ sph_blake512_context ctx_blake;
+ sph_bmw512_context ctx_bmw;
+ sph_groestl512_context ctx_groestl;
+ sph_skein512_context ctx_skein;
+ sph_jh512_context ctx_jh;
+ sph_keccak512_context ctx_keccak;
+ sph_luffa512_context ctx_luffa1;
+ sph_cubehash512_context ctx_cubehash1;
+ sph_shavite512_context ctx_shavite1;
+ sph_simd512_context ctx_simd1;
+ sph_echo512_context ctx_echo1;
+ sph_hamsi512_context ctx_hamsi1;
+ sph_fugue512_context ctx_fugue1;
+ sph_shabal512_context ctx_shabal1;
+ sph_whirlpool_context ctx_whirlpool1;
+ sph_sha512_context ctx_sha512;
+
+ void *in = (void*) input;
+ int size = 80;
+
+ if (s_ntime == UINT32_MAX) {
+ const uint8_t* in8 = (uint8_t*) input;
+ getAlgoString(&in8[4], hashOrder);
+ }
+
+ for (int i = 0; i < 16; i++)
+ {
+ const char elem = hashOrder[i];
+ const uint8_t algo = elem >= 'A' ? elem - 'A' + 10 : elem - '0';
+
+ switch (algo) {
+ case BLAKE:
+ sph_blake512_init(&ctx_blake);
+ sph_blake512(&ctx_blake, in, size);
+ sph_blake512_close(&ctx_blake, hash);
+ break;
+ case BMW:
+ sph_bmw512_init(&ctx_bmw);
+ sph_bmw512(&ctx_bmw, in, size);
+ sph_bmw512_close(&ctx_bmw, hash);
+ break;
+ case GROESTL:
+ sph_groestl512_init(&ctx_groestl);
+ sph_groestl512(&ctx_groestl, in, size);
+ sph_groestl512_close(&ctx_groestl, hash);
+ break;
+ case SKEIN:
+ sph_skein512_init(&ctx_skein);
+ sph_skein512(&ctx_skein, in, size);
+ sph_skein512_close(&ctx_skein, hash);
+ break;
+ case JH:
+ sph_jh512_init(&ctx_jh);
+ sph_jh512(&ctx_jh, in, size);
+ sph_jh512_close(&ctx_jh, hash);
+ break;
+ case KECCAK:
+ sph_keccak512_init(&ctx_keccak);
+ sph_keccak512(&ctx_keccak, in, size);
+ sph_keccak512_close(&ctx_keccak, hash);
+ break;
+ case LUFFA:
+ sph_luffa512_init(&ctx_luffa1);
+ sph_luffa512(&ctx_luffa1, in, size);
+ sph_luffa512_close(&ctx_luffa1, hash);
+ break;
+ case CUBEHASH:
+ sph_cubehash512_init(&ctx_cubehash1);
+ sph_cubehash512(&ctx_cubehash1, in, size);
+ sph_cubehash512_close(&ctx_cubehash1, hash);
+ break;
+ case SHAVITE:
+ sph_shavite512_init(&ctx_shavite1);
+ sph_shavite512(&ctx_shavite1, in, size);
+ sph_shavite512_close(&ctx_shavite1, hash);
+ break;
+ case SIMD:
+ sph_simd512_init(&ctx_simd1);
+ sph_simd512(&ctx_simd1, in, size);
+ sph_simd512_close(&ctx_simd1, hash);
+ break;
+ case ECHO:
+ sph_echo512_init(&ctx_echo1);
+ sph_echo512(&ctx_echo1, in, size);
+ sph_echo512_close(&ctx_echo1, hash);
+ break;
+ case HAMSI:
+ sph_hamsi512_init(&ctx_hamsi1);
+ sph_hamsi512(&ctx_hamsi1, in, size);
+ sph_hamsi512_close(&ctx_hamsi1, hash);
+ break;
+ case FUGUE:
+ sph_fugue512_init(&ctx_fugue1);
+ sph_fugue512(&ctx_fugue1, in, size);
+ sph_fugue512_close(&ctx_fugue1, hash);
+ break;
+ case SHABAL:
+ sph_shabal512_init(&ctx_shabal1);
+ sph_shabal512(&ctx_shabal1, in, size);
+ sph_shabal512_close(&ctx_shabal1, hash);
+ break;
+ case WHIRLPOOL:
+ sph_whirlpool_init(&ctx_whirlpool1);
+ sph_whirlpool(&ctx_whirlpool1, in, size);
+ sph_whirlpool_close(&ctx_whirlpool1, hash);
+ break;
+ case SHA512:
+ sph_sha512_init(&ctx_sha512);
+ sph_sha512(&ctx_sha512,(const void*) in, size);
+ sph_sha512_close(&ctx_sha512,(void*) hash);
+ break;
+ }
+ in = (void*) hash;
+ size = 64;
+ }
+ memcpy(output, hash, 32);
+}
+
+int scanhash_x16r(int thr_id, struct work *work, uint32_t max_nonce, uint64_t *hashes_done)
+{
+ uint32_t _ALIGN(128) hash32[8];
+ uint32_t _ALIGN(128) endiandata[20];
+ uint32_t *pdata = work->data;
+ uint32_t *ptarget = work->target;
+ const uint32_t Htarg = ptarget[7];
+ const uint32_t first_nonce = pdata[19];
+ uint32_t nonce = first_nonce;
+ volatile uint8_t *restart = &(work_restart[thr_id].restart);
+
+ for (int k=0; k < 19; k++)
+ be32enc(&endiandata[k], pdata[k]);
+
+ if (s_ntime != pdata[17]) {
+ uint32_t ntime = swab32(pdata[17]);
+ getAlgoString((const char*) (&endiandata[1]), hashOrder);
+ s_ntime = ntime;
+ if (opt_debug && !thr_id) applog(LOG_DEBUG, "hash order %s (%08x)", hashOrder, ntime);
+ }
+
+ if (opt_benchmark)
+ ptarget[7] = 0x0cff;
+
+ do {
+ be32enc(&endiandata[19], nonce);
+ x16r_hash(hash32, endiandata);
+
+ if (hash32[7] <= Htarg && fulltest(hash32, ptarget)) {
+ work_set_target_ratio(work, hash32);
+ pdata[19] = nonce;
+ *hashes_done = pdata[19] - first_nonce;
+ return 1;
+ }
+ nonce++;
+
+ } while (nonce < max_nonce && !(*restart));
+
+ pdata[19] = nonce;
+ *hashes_done = pdata[19] - first_nonce + 1;
+ return 0;
+}