add: newcoin: Intercoin (ITC)

Makefile.am

@@ -23,7 +23,8 @@ sugarmaker_SOURCES	=	elist.h miner.h compat.h \
 									YespowerNull.c \
 									YespowerUrx.c \
 									YespowerLitb.c \
-									YespowerIots.c
+									YespowerIots.c \
+									YespowerItc.c
 
 sugarmaker_LDFLAGS	= $(PTHREAD_FLAGS)
 sugarmaker_LDADD		= @LIBCURL@ @JANSSON_LIBS@ @PTHREAD_LIBS@ @WS2_LIBS@

YespowerItc.c

@@ -0,0 +1,84 @@
+/*
+ * Copyright 2011 ArtForz, 2011-2014 pooler, 2018 The Resistance developers, 2020 The Sugarchain Yumekawa 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_itc_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 = {
+		.version = YESPOWER_1_0,
+		.N = 2048,
+		.r = 32,
+		.pers = (const uint8_t *)"InterITC",
+		.perslen = 8
+	};
+	union {
+		uint8_t u8[8];
+		uint32_t u32[20];
+	} 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

@@ -107,6 +107,7 @@ enum algos {
 	ALGO_URX_YESPOWER_1_0_1,
 	ALGO_LITB_YESPOWER_1_0_1,
 	ALGO_IOTS_YESPOWER_1_0_1,
+	ALGO_ITC_YESPOWER_1_0_1,
 };
 
 static const char *algo_names[] = {
@@ -116,6 +117,7 @@ static const char *algo_names[] = {
 	[ALGO_URX_YESPOWER_1_0_1]	= "YespowerUrx",
 	[ALGO_LITB_YESPOWER_1_0_1]	= "YespowerLitb",
 	[ALGO_IOTS_YESPOWER_1_0_1]	= "YespowerIots",
+	[ALGO_ITC_YESPOWER_1_0_1]	= "YespowerItc",
 };
 
 bool opt_debug = false;
@@ -182,6 +184,7 @@ Options:\n\
 													YespowerUrx: UraniumX\n\
 													YespowerLitb: LightBit\n\
 													YespowerIots: IOTS\n\
+													YespowerItc: Intercoin\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\
@@ -1207,6 +1210,9 @@ static void *miner_thread(void *userdata)
 			case ALGO_IOTS_YESPOWER_1_0_1:
 				max64 = 499;
 				break;
+			case ALGO_ITC_YESPOWER_1_0_1:
+				max64 = 499;
+				break;
 			}
 		}
 		if (work.data[19] + max64 > end_nonce)
@@ -1256,6 +1262,12 @@ static void *miner_thread(void *userdata)
 			);
 			break;
 
+		case ALGO_ITC_YESPOWER_1_0_1:
+			rc = scanhash_itc_yespower(
+				thr_id, work.data, work.target, max_nonce, &hashes_done
+			);
+			break;
+
 		default:
 			/* should never happen */
 			goto out;

miner.h

@@ -160,6 +160,10 @@ extern int scanhash_iots_yespower(int thr_id, uint32_t *pdata,
 	const uint32_t *ptarget,
 	uint32_t max_nonce, unsigned long *hashes_done);
 
+extern int scanhash_itc_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;