handle keccakc variant (refreshed keccak stratum) tpruvot#21

keccakc is the same as the original keccak,
but the previous was using a different (early) stratum protocol and factor.

This new implementation use a stratum factor of 256 and a sha256d merkle tree

NEWS

@@ -1,6 +1,7 @@
 Version 1.3.3
 - Add tribus algo
 - Add x16r algo
+- Add keccakc variant
 
 Version 1.3.2
 - Add bitcore algo

README.md

@@ -70,6 +70,7 @@ Algorithms
 #### Implemented, but untested
  * ? hefty1 (Heavycoin)
  * ? keccak (Maxcoin  HelixCoin, CryptoMeth, Galleon, 365coin, Slothcoin, BitcointalkCoin)
+ * ? keccakc (Creativecoin)
  * ? luffa (Joincoin, Doomcoin)
  * ? shavite3 (INKcoin)
 
@@ -176,7 +177,6 @@ Donations for the work done in this fork are accepted :
 
 Tanguy Pruvot :
 * BTC: `1FhDPLPpw18X4srecguG3MxJYe4a1JsZnd`
-* ZRC: `ZX6LmrCwphNgitxvDnf8TX6Tsegfxpeozx`
 
 Lucas Jones :
 * MRO: `472haywQKoxFzf7asaQ4XKBc2foAY4ezk8HiN63ifW4iAbJiLnfmJfhHSR9XmVKw2WYPnszJV9MEHj9Z5WMK9VCNHaGLDmJ`

compat/cpuminer-config.h

@@ -94,7 +94,7 @@
 #define PACKAGE_NAME "cpuminer-multi"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "cpuminer-multi 1.3.2"
+#define PACKAGE_STRING "cpuminer-multi 1.3.3"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "cpuminer-multi"

cpu-miner.c

@@ -77,7 +77,8 @@ struct workio_cmd {
 };
 
 enum algos {
-	ALGO_KECCAK,      /* Keccak */
+	ALGO_KECCAK,      /* Keccak (old) */
+	ALGO_KECCAKC,     /* Keccak */
 	ALGO_HEAVY,       /* Heavy */
 	ALGO_NEOSCRYPT,   /* NeoScrypt(128, 2, 1) with Salsa20/20 and ChaCha20/20 */
 	ALGO_QUARK,       /* Quark */
@@ -134,6 +135,7 @@ enum algos {
 
 static const char *algo_names[] = {
 	"keccak",
+	"keccakc",
 	"heavy",
 	"neoscrypt",
 	"quark",
@@ -306,7 +308,8 @@ Options:\n\
                           groestl      GroestlCoin\n\
                           heavy        Heavy\n\
                           jha          JHA\n\
-                          keccak       Keccak\n\
+                          keccak       Keccak (Old and deprecated)\n\
+                          keccakc      Keccak (CreativeCoin)\n\
                           luffa        Luffa\n\
                           lyra2re      Lyra2RE\n\
                           lyra2rev2    Lyra2REv2 (Vertcoin)\n\
@@ -1798,6 +1801,7 @@ static void stratum_gen_work(struct stratum_ctx *sctx, struct work *work)
 			case ALGO_FRESH:
 			case ALGO_DMD_GR:
 			case ALGO_GROESTL:
+			case ALGO_KECCAKC:
 			case ALGO_LBRY:
 			case ALGO_LYRA2REV2:
 			case ALGO_TIMETRAVEL:
@@ -2228,6 +2232,7 @@ static void *miner_thread(void *userdata)
 			rc = scanhash_groestl(thr_id, &work, max_nonce, &hashes_done);
 			break;
 		case ALGO_KECCAK:
+		case ALGO_KECCAKC:
 			rc = scanhash_keccak(thr_id, &work, max_nonce, &hashes_done);
 			break;
 		case ALGO_HEAVY:

res/cpuminer.rc

@@ -60,8 +60,8 @@ IDI_ICON1               ICON                    "cpuminer.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,3,2,0
- PRODUCTVERSION 1,3,2,0
+ FILEVERSION 1,3,3,0
+ PRODUCTVERSION 1,3,3,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x21L
@@ -76,10 +76,10 @@ BEGIN
     BEGIN
         BLOCK "040904e4"
         BEGIN
-            VALUE "FileVersion", "1.3.2"
-            VALUE "LegalCopyright", "Copyright (C) 2017"
+            VALUE "FileVersion", "1.3.3"
+            VALUE "LegalCopyright", "Copyright (C) 2018"
             VALUE "ProductName", "cpuminer-multi"
-            VALUE "ProductVersion", "1.3.2"
+            VALUE "ProductVersion", "1.3.3"
         END
     END
     BLOCK "VarFileInfo"