add: newcoin: IsotopeC (ISO)

Makefile.am

@@ -17,7 +17,9 @@ dist_man_MANS		= sugarmaker.1
 sugarmaker_SOURCES	=	elist.h miner.h compat.h \
 									cpu-miner.c util.c \
 									sha2.c \
-									yespower-1.0.1/sha256.c yespower-1.0.1/yespower-opt.c YespowerSugar.c
+									yespower-1.0.1/sha256.c yespower-1.0.1/yespower-opt.c \
+									YespowerSugar.c \
+									YespowerIso.c
 
 sugarmaker_LDFLAGS	= $(PTHREAD_FLAGS)
 sugarmaker_LDADD		= @LIBCURL@ @JANSSON_LIBS@ @PTHREAD_LIBS@ @WS2_LIBS@

YespowerIso.c

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2011 ArtForz, 2011-2014 pooler, 2018 The Resistance developers
+ * 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.
+ *
+ * This file is loosly based on a tiny portion of pooler's cpuminer scrypt.c.
+ */
+
+#include "cpuminer-config.h"
+#include "miner.h"
+
+#include "yespower-1.0.1/yespower.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+int scanhash_iso_yespower(int thr_id, uint32_t *pdata,
+	const uint32_t *ptarget,
+	uint32_t max_nonce, unsigned long *hashes_done)
+{
+	static const yespower_params_t params = {
+		// yespower_iso
+		.version = YESPOWER_1_0,
+		.N = 2048,
+		.r = 32,
+		.pers = (const uint8_t *)"IsotopeC",
+		.perslen = 8
+	};
+	union {
+		uint8_t u8[80];
+		uint32_t u32[19];
+	} data;
+	union {
+		yespower_binary_t yb;
+		uint32_t u32[7];
+	} hash;
+	uint32_t n = pdata[19] - 1;
+	const uint32_t Htarg = ptarget[7];
+	int i;
+
+	for (i = 0; i < 19; i++)
+		be32enc(&data.u32[i], pdata[i]);
+
+	do {
+		be32enc(&data.u32[19], ++n);
+
+		if (yespower_tls(data.u8, 80, &params, &hash.yb))
+			abort();
+
+		if (le32dec(&hash.u32[7]) <= Htarg) {
+			for (i = 0; i < 7; i++)
+				hash.u32[i] = le32dec(&hash.u32[i]);
+			if (fulltest(hash.u32, ptarget)) {
+				*hashes_done = n - pdata[19] + 1;
+				pdata[19] = n;
+				return 1;
+			}
+		}
+	} while (n < max_nonce && !work_restart[thr_id].restart);
+
+	*hashes_done = n - pdata[19] + 1;
+	pdata[19] = n;
+	return 0;
+}

cpu-miner.c

@@ -101,11 +101,13 @@ struct workio_cmd {
 };
 
 enum algos {
-	ALGO_SUGAR_YESPOWER_1_0_1
+	ALGO_SUGAR_YESPOWER_1_0_1,
+	ALGO_ISO_YESPOWER_1_0_1
 };
 
 static const char *algo_names[] = {
-	[ALGO_SUGAR_YESPOWER_1_0_1]	= "YespowerSugar"
+	[ALGO_SUGAR_YESPOWER_1_0_1]	= "YespowerSugar",
+	[ALGO_ISO_YESPOWER_1_0_1]	= "YespowerIso"
 };
 
 bool opt_debug = false;
@@ -167,6 +169,7 @@ Usage: " PROGRAM_NAME " [OPTIONS]\n\
 Options:\n\
   -a, --algo=ALGO       specify the algorithm to use\n\
                           YespowerSugar (default)\n\
+                          YespowerIso\n\
   -o, --url=URL         URL of mining server\n\
   -O, --userpass=U:P    username:password pair for mining server\n\
   -u, --user=USERNAME   username for mining server\n\
@@ -1177,6 +1180,9 @@ static void *miner_thread(void *userdata)
 			case ALGO_SUGAR_YESPOWER_1_0_1:
 				max64 = 499;
 				break;
+			case ALGO_ISO_YESPOWER_1_0_1:
+				max64 = 499;
+				break;
 			}
 		}
 		if (work.data[19] + max64 > end_nonce)
@@ -1191,8 +1197,15 @@ static void *miner_thread(void *userdata)
 		switch (opt_algo) {
 
 		case ALGO_SUGAR_YESPOWER_1_0_1:
-			rc = scanhash_sugar_yespower(thr_id, work.data, work.target,
-			                     	max_nonce, &hashes_done);
+			rc = scanhash_sugar_yespower(
+				thr_id, work.data, work.target, max_nonce, &hashes_done
+			);
+			break;
+
+		case ALGO_ISO_YESPOWER_1_0_1:
+			rc = scanhash_iso_yespower(
+				thr_id, work.data, work.target, max_nonce, &hashes_done
+			);
 			break;
 
 		default:

miner.h

@@ -140,6 +140,10 @@ extern int scanhash_sugar_yespower(int thr_id, uint32_t *pdata,
 	const uint32_t *ptarget,
 	uint32_t max_nonce, unsigned long *hashes_done);
 
+extern int scanhash_iso_yespower(int thr_id, uint32_t *pdata,
+	const uint32_t *ptarget,
+	uint32_t max_nonce, unsigned long *hashes_done);
+
 struct thr_info {
 	int		id;
 	pthread_t	pth;