credits algorithm

algorithm.c

@@ -34,6 +34,7 @@
 #include "algorithm/Lyra2RE.h"
 #include "algorithm/pluck.h"
 #include "algorithm/yescrypt.h"
+#include "algorithm/credits.h"
 
 #include "compat.h"
 
@@ -42,6 +43,7 @@
 bool opt_lyra;
 const char *algorithm_type_str[] = {
   "Unknown",
+  "credits",
   "Scrypt",
   "NScrypt",
   "X11",
@@ -209,6 +211,31 @@ static cl_int queue_pluck_kernel(_clState *clState, dev_blk_ctx *blk, __maybe_un
 	return status;
 }
 
+static cl_int queue_credits_kernel(_clState *clState, dev_blk_ctx *blk, __maybe_unused cl_uint threads)
+{
+	cl_kernel *kernel = &clState->kernel;
+	unsigned int num = 0;
+	cl_ulong le_target;
+	cl_int status = 0;
+
+
+		// le_target = (*(cl_uint *)(blk->work->device_target + 24));
+	le_target = (cl_ulong)le64toh(((uint64_t *)blk->work->/*device_*/target)[3]);
+	//	le_target = (cl_uint)((uint32_t *)blk->work->target)[6];
+
+
+	memcpy(clState->cldata, blk->work->data, 168);
+//	flip168(clState->cldata, blk->work->data);
+	status = clEnqueueWriteBuffer(clState->commandQueue, clState->CLbuffer0, true, 0, 168, clState->cldata, 0, NULL, NULL);
+
+	CL_SET_ARG(clState->CLbuffer0);
+	CL_SET_ARG(clState->outputBuffer);
+	CL_SET_ARG(le_target);
+	CL_SET_ARG(blk->work->midstate);
+
+	return status;
+}
+
 
 static cl_int queue_yescrypt_kernel(_clState *clState, dev_blk_ctx *blk, __maybe_unused cl_uint threads)
 {
@@ -276,9 +303,9 @@ static cl_int queue_yescrypt_multikernel(_clState *clState, dev_blk_ctx *blk, __
 	CL_SET_ARG_N(2,clState->buffer2);
 	//mix2_2
 //inactive kernel
-//	num = 0;
-//	CL_NEXTKERNEL_SET_ARG_N(0, clState->buffer1);
-//	CL_SET_ARG_N(1, clState->buffer2);
+	num = 0;
+	CL_NEXTKERNEL_SET_ARG_N(0, clState->buffer1);
+	CL_SET_ARG_N(1, clState->buffer2);
 	//mix2_2
 
 	num = 0;
@@ -287,9 +314,9 @@ static cl_int queue_yescrypt_multikernel(_clState *clState, dev_blk_ctx *blk, __
 	CL_SET_ARG_N(2, clState->buffer2);
 
 	//inactive kernel
-//	num = 0;
-//	CL_NEXTKERNEL_SET_ARG_N(0, clState->buffer1);
-//	CL_SET_ARG_N(1, clState->buffer2);
+	num = 0;
+	CL_NEXTKERNEL_SET_ARG_N(0, clState->buffer1);
+	CL_SET_ARG_N(1, clState->buffer2);
 	//mix2_2
 
 
@@ -846,13 +873,20 @@ static algorithm_settings_t algos[] = {
   A_PLUCK("pluck"),
 #undef A_PLUCK
 
+#define A_CREDITS(a) \
+                { a, ALGO_CRE, "", 1, 1, 1, 0, 0, 0xFF, 0xFFFF000000000000ULL, 0x0000ffffUL, 0, -1, CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, credits_regenhash, queue_credits_kernel, gen_hash, NULL}
+  A_CREDITS("credits"),
+#undef A_CREDITS
+
+
+
 #define A_YESCRYPT(a) \
               { a, ALGO_YESCRYPT, "", 1, 65536, 65536, 0, 0, 0xFF, 0xFFFF000000000000ULL, 0x0000ffffUL, 0, -1, CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, yescrypt_regenhash, queue_yescrypt_kernel, gen_hash, append_neoscrypt_compiler_options}
   A_YESCRYPT("yescrypt"),
 #undef A_YESCRYPT
 
 #define A_YESCRYPT_MULTI(a) \
-                  { a, ALGO_YESCRYPT_MULTI, "", 1, 65536, 65536, 0, 0, 0xFF, 0xFFFF000000000000ULL, 0x0000ffffUL, 4,-1,CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE , yescrypt_regenhash, queue_yescrypt_multikernel, gen_hash, append_neoscrypt_compiler_options}
+                  { a, ALGO_YESCRYPT_MULTI, "", 1, 65536, 65536, 0, 0, 0xFF, 0xFFFF000000000000ULL, 0x0000ffffUL, 6,-1,CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE , yescrypt_regenhash, queue_yescrypt_multikernel, gen_hash, append_neoscrypt_compiler_options}
   A_YESCRYPT_MULTI("yescrypt-multi"),
 #undef A_YESCRYPT_MULTI
 

algorithm.h

@@ -12,6 +12,7 @@
 
 typedef enum {
   ALGO_UNK,
+  ALGO_CRE,
   ALGO_SCRYPT,
   ALGO_NSCRYPT,
   ALGO_X11,

algorithm/credits.c

@@ -0,0 +1,148 @@
+/*-
+ * Copyright 2015 djm34 
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "miner.h"
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "sph/sph_sha2.h"
+
+static const uint32_t diff1targ = 0x0000ffff;
+
+
+
+inline void credits_hash(void *state, const void *input)
+{
+	sph_sha256_context sha1, sha2;
+	uint32_t hash[8], hash2[8];
+
+	sph_sha256_init(&sha1);
+	sph_sha256(&sha1, input, 168);
+	sph_sha256_close(&sha1, hash);
+
+
+	sph_sha256_init(&sha2);
+	sph_sha256(&sha2, hash, 32);
+	sph_sha256_close(&sha2, hash2);
+
+	memcpy(state, hash2, 32);
+
+}
+static inline void
+be32enc_vect(uint32_t *dst, const uint32_t *src, uint32_t len)
+{
+	uint32_t i;
+
+	for (i = 0; i < len; i++)
+		dst[i] = htobe32(src[i]);
+}
+
+/* Used externally as confirmation of correct OCL code */
+int credits_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce)
+{
+	uint32_t tmp_hash7, Htarg = le32toh(((const uint32_t *)ptarget)[7]);
+	uint32_t data[42], ohash[8];
+	printf("coming here credits test\n");
+
+	be32enc_vect(data, (const uint32_t *)pdata, 42);
+	data[35] = htobe32(nonce);
+	credits_hash((unsigned char*)data,(unsigned char*)ohash);
+
+	tmp_hash7 = be32toh(ohash[7]);
+
+	applog(LOG_DEBUG, "htarget %08lx diff1 %08lx hash %08lx",
+		(long unsigned int)Htarg,
+		(long unsigned int)diff1targ,
+		(long unsigned int)tmp_hash7);
+
+	if (tmp_hash7 > diff1targ)
+		return -1;
+
+	if (tmp_hash7 > Htarg)
+		return 0;
+
+	return 1;
+}
+
+void credits_regenhash(struct work *work)
+{
+        uint32_t data[42];
+        uint32_t *nonce = (uint32_t *)(work->data + 140);
+        uint32_t *ohash = (uint32_t *)(work->hash);
+		
+        be32enc_vect(data, (const uint32_t *)work->data, 42);
+        data[35] = htobe32(*nonce);	
+
+		credits_hash((unsigned char*)ohash, (unsigned char*)data);
+        
+}
+
+
+bool scanhash_credits(struct thr_info *thr, const unsigned char __maybe_unused *pmidstate,
+	unsigned char *pdata, unsigned char __maybe_unused *phash1,
+	unsigned char __maybe_unused *phash, const unsigned char *ptarget,
+	uint32_t max_nonce, uint32_t *last_nonce, uint32_t n)
+{
+	uint32_t *nonce = (uint32_t *)(pdata + 140);
+	uint32_t data[42];
+	uint32_t tmp_hash7;
+	uint32_t Htarg = le32toh(((const uint32_t *)ptarget)[7]);
+	bool ret = false;
+
+	be32enc_vect(data, (const uint32_t *)pdata, 35);
+	
+
+	while (1)
+	{
+		uint32_t ostate[8];
+
+		*nonce = ++n;
+		data[35] = (n);
+		credits_hash(ostate, data);
+		tmp_hash7 = (ostate[7]);
+
+		applog(LOG_INFO, "data7 %08lx", (long unsigned int)ostate[7]);
+
+		if (unlikely(tmp_hash7 <= Htarg))
+		{
+			((uint32_t *)pdata)[35] = htobe32(n);
+			*last_nonce = n;
+			ret = true;
+			break;
+		}
+
+		if (unlikely((n >= max_nonce) || thr->work_restart))
+		{
+			*last_nonce = n;
+			break;
+		}
+	}
+
+	return ret;
+}

algorithm/credits.h

@@ -0,0 +1,10 @@
+#ifndef CREDITS_H
+#define CREDITS_H
+
+#include "miner.h"
+
+
+extern int credits_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce);
+extern void credits_regenhash(struct work *work);
+
+#endif /* CREDITS_H */

algorithm/yescrypt.c

@@ -103,7 +103,7 @@ bool scanhash_yescrypt(struct thr_info *thr, const unsigned char __maybe_unused
 
 		*nonce = ++n;
 		data[19] = (n);
-		pluckrehash(ostate, data);
+
 		yescrypt_hash((unsigned char*)data, (unsigned char*)ostate);
 		tmp_hash7 = (ostate[7]);
 

driver-opencl.c

@@ -1462,6 +1462,9 @@ static int64_t opencl_scanhash(struct thr_info *thr, struct work *work,
     }
     applog(LOG_DEBUG, "GPU %d found something?", gpu->device_id);
     postcalc_hash_async(thr, work, thrdata->res);
+//	postcalc_hash(thr);
+//	submit_tested_work(thr, work);
+//	submit_work_async(work);
     memset(thrdata->res, 0, buffersize);
     /* This finish flushes the writebuffer set with CL_FALSE in clEnqueueWriteBuffer */
     clFinish(clState->commandQueue);

findnonce.c

@@ -214,6 +214,7 @@ static void *postcalc_hash(void *userdata)
 
 void postcalc_hash_async(struct thr_info *thr, struct work *work, uint32_t *res)
 {
+	
   struct pc_data *pcd = (struct pc_data *)malloc(sizeof(struct pc_data));
   int buffersize;
 
@@ -225,8 +226,7 @@ void postcalc_hash_async(struct thr_info *thr, struct work *work, uint32_t *res)
   pcd->thr = thr;
   pcd->work = copy_work(work);
   buffersize = BUFFERSIZE;
-
-  memcpy(&pcd->res, res, buffersize);
+   memcpy(&pcd->res, res, buffersize);
 
   if (pthread_create(&pcd->pth, NULL, postcalc_hash, (void *)pcd)) {
     applog(LOG_ERR, "Failed to create postcalc_hash thread");

miner.h

@@ -692,6 +692,7 @@ static inline void flip32(void *dest_p, const void *src_p)
     dest[i] = swab32(src[i]);
 }
 
+
 static inline void flip64(void *dest_p, const void *src_p)
 {
   uint32_t *dest = (uint32_t *)dest_p;
@@ -722,6 +723,17 @@ static inline void flip128(void *dest_p, const void *src_p)
     dest[i] = swab32(src[i]);
 }
 
+static inline void flip168(void *dest_p, const void *src_p)
+{
+	uint32_t *dest = (uint32_t *)dest_p;
+	const uint32_t *src = (uint32_t *)src_p;
+	int i;
+
+	for (i = 0; i < 42; i++)
+		dest[i] = swab32(src[i]);
+}
+
+
 /* For flipping to the correct endianness if necessary */
 #if defined(__BIG_ENDIAN__) || defined(MIPSEB)
 static inline void endian_flip32(void *dest_p, const void *src_p)
@@ -733,6 +745,11 @@ static inline void endian_flip128(void *dest_p, const void *src_p)
 {
   flip128(dest_p, src_p);
 }
+static inline void endian_flip168(void *dest_p, const void *src_p)
+{
+	flip168(dest_p, src_p);
+}
+
 #else
 static inline void
 endian_flip32(void __maybe_unused *dest_p, const void __maybe_unused *src_p)
@@ -743,8 +760,13 @@ static inline void
 endian_flip128(void __maybe_unused *dest_p, const void __maybe_unused *src_p)
 {
 }
+static inline void
+endian_flip168(void __maybe_unused *dest_p, const void __maybe_unused *src_p)
+{
+}
 #endif
 
+
 extern double cgpu_runtime(struct cgpu_info *cgpu);
 extern void _quit(int status);
 
@@ -1405,7 +1427,7 @@ struct pool {
 #define GETWORK_MODE_GBT 'G'
 
 struct work {
-  unsigned char data[128];
+  unsigned char data[168];
   unsigned char midstate[32];
   unsigned char target[32];
   unsigned char hash[32];

ocl.c

@@ -709,7 +709,7 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize, algorithm_t *alg
 
 
 
-  size_t readbufsize = 128;
+  size_t readbufsize = (!safe_cmp(algorithm->name, "credits"))? 168:128;
 
   if (algorithm->rw_buffer_size < 0) {
     // calc buffer size for neoscrypt

ocl.h

@@ -25,7 +25,7 @@ typedef struct __clState {
   cl_mem buffer1;
   cl_mem buffer2;
   cl_mem buffer3;
-  unsigned char cldata[80];
+  unsigned char cldata[168];
   bool hasBitAlign;
   bool goffset;
   cl_uint vwidth;

sgminer.c

@@ -3023,7 +3023,11 @@ static bool submit_upstream_work(struct work *work, CURL *curl, char *curl_err_s
 
   cgpu = get_thr_cgpu(thr_id);
 
-  endian_flip128(work->data, work->data);
+  if (safe_cmp(work->pool->algorithm.name, "credits")) {
+	  endian_flip128(work->data, work->data); } else 
+  {
+	  endian_flip168(work->data, work->data);
+  }
 
   /* build hex string - Make sure to restrict to 80 bytes for Neoscrypt */
   hexstr = bin2hex(work->data, ((!safe_cmp(work->pool->algorithm.name, "neoscrypt")) ? 80 : sizeof(work->data)));
@@ -7065,7 +7069,10 @@ void inc_hw_errors(struct thr_info *thr)
 /* Fills in the work nonce and builds the output data in work->hash */
 static void rebuild_nonce(struct work *work, uint32_t nonce)
 {
-  uint32_t *work_nonce = (uint32_t *)(work->data + 76);
+uint32_t nonce_pos = 76;
+if (!safe_cmp(work->pool->algorithm.name, "credits")) nonce_pos = 140;
+
+  uint32_t *work_nonce = (uint32_t *)(work->data + nonce_pos);
 
   *work_nonce = htole32(nonce);
 

util.c

@@ -674,7 +674,7 @@ bool fulltest(const unsigned char *hash, const unsigned char *target)
   uint32_t *target32 = (uint32_t *)target;
   bool rc = true;
   int i;
-
+  
   for (i = 28 / 4; i >= 0; i--) {
     uint32_t h32tmp = le32toh(hash32[i]);
     uint32_t t32tmp = le32toh(target32[i]);