From 6eb098c0a511a408b50300748e348a6c1d479e02 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Wed, 14 Jun 2017 14:26:57 -0400
Subject: [PATCH] gostcoin algo added

---
 Makefile.am          |  1 +
 algorithm.c          | 25 ++++++++++++++++++++++++-
 algorithm.h          |  3 ++-
 algorithm/gostcoin.c | 16 ++++++++++++++++
 algorithm/gostcoin.h | 10 ++++++++++
 5 files changed, 53 insertions(+), 2 deletions(-)
 create mode 100644 algorithm/gostcoin.c
 create mode 100644 algorithm/gostcoin.h

diff --git a/Makefile.am b/Makefile.am
index 3069bbe6..31e09b25 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -84,6 +84,7 @@ sgminer_SOURCES += algorithm/blakecoin.c algorithm/blakecoin.h
 sgminer_SOURCES += algorithm/decred.c algorithm/decred.h
 sgminer_SOURCES += algorithm/pascal.c algorithm/pascal.h
 sgminer_SOURCES += algorithm/lbry.c algorithm/lbry.h
+sgminer_SOURCES += algorithm/gostcoin.c algorithm/gostcoin.h
 
 bin_SCRIPTS	= $(top_srcdir)/kernel/*.cl
 
diff --git a/algorithm.c b/algorithm.c
index 9d2f458e..f15d8622 100644
--- a/algorithm.c
+++ b/algorithm.c
@@ -44,6 +44,7 @@
 #include "algorithm/pascal.h"
 #include "algorithm/lbry.h"
 #include "algorithm/sibcoin.h"
+#include "algorithm/gostcoin.h"
 
 #include "compat.h"
 
@@ -80,7 +81,8 @@ const char *algorithm_type_str[] = {
   "Decred",
   "Vanilla",
   "Lbry",
-  "Sibcoin"
+  "Sibcoin",
+  "Gostcoin"
 };
 
 void sha256(const unsigned char *message, unsigned int len, unsigned char *digest)
@@ -492,6 +494,25 @@ static cl_int queue_sibcoin_mod_kernel(struct __clState *clState, struct _dev_bl
   return status;
 }
 
+static cl_int queue_gostcoin_mod_kernel(struct __clState *clState, struct _dev_blk_ctx *blk, __maybe_unused cl_uint threads)
+{
+  cl_kernel *kernel;
+  unsigned int num;
+  cl_ulong le_target;
+  cl_int status = 0;
+
+  le_target = *(cl_ulong *)(blk->work->device_target + 24);
+  flip80(clState->cldata, blk->work->data);
+  status = clEnqueueWriteBuffer(clState->commandQueue, clState->CLbuffer0, true, 0, 80, clState->cldata, 0, NULL, NULL);
+
+  // TODO:
+  num = 0;
+  CL_NEXTKERNEL_SET_ARG(clState->padbuffer8);
+  CL_SET_ARG(clState->outputBuffer);
+  CL_SET_ARG(le_target);
+
+  return status;
+}
 
 static cl_int queue_bitblock_kernel(struct __clState *clState, struct _dev_blk_ctx *blk, __maybe_unused cl_uint threads)
 {
@@ -1230,6 +1251,8 @@ static algorithm_settings_t algos[] = {
 
   { "pascal", ALGO_PASCAL, "", 1, 1, 1, 0, 0, 0xFF, 0xFFFFULL, 0x0000ffffUL, 0, 0, CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, pascal_regenhash, pascal_midstate, NULL, queue_pascal_kernel, NULL, NULL },
 
+  { "gostcoin-mod", ALGO_GOSTCOIN, "", 1, 256, 256, 0, 0, 0xFF, 0xFFFFULL, 0x0000ffffUL, 2, 4 * 8 * 4194304, 0, gostcoin_regenhash, NULL, NULL, queue_gostcoin_mod_kernel, NULL, NULL },	
+
   // Terminator (do not remove)
   { NULL, ALGO_UNK, "", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL }
 };
diff --git a/algorithm.h b/algorithm.h
index d3238a13..092fe360 100644
--- a/algorithm.h
+++ b/algorithm.h
@@ -41,7 +41,8 @@ typedef enum {
   ALGO_DECRED,
   ALGO_VANILLA,
   ALGO_LBRY,
-  ALGO_SIBCOIN 
+  ALGO_SIBCOIN,
+  ALGO_GOSTCOIN
 } algorithm_type_t;
 
 extern const char *algorithm_type_str[];
diff --git a/algorithm/gostcoin.c b/algorithm/gostcoin.c
new file mode 100644
index 00000000..b58129cd
--- /dev/null
+++ b/algorithm/gostcoin.c
@@ -0,0 +1,16 @@
+#include "config.h"
+#include "miner.h"
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+int gostcoin_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce)
+{
+	return 0; // TODO
+}
+
+void gostcoin_regenhash(struct work *work)
+{
+	// TODO:
+}
diff --git a/algorithm/gostcoin.h b/algorithm/gostcoin.h
new file mode 100644
index 00000000..9bc69929
--- /dev/null
+++ b/algorithm/gostcoin.h
@@ -0,0 +1,10 @@
+#ifndef GOSTCOIN_H
+#define GOSTCOIN_H
+
+#include "miner.h"
+
+extern int gostcoin_test(unsigned char *pdata, const unsigned char *ptarget,
+			uint32_t nonce);
+extern void gostcoin_regenhash(struct work *work);
+
+#endif /* SIBCOIN_H */