v3.13.2-segwit-test

RELEASE_NOTES

@@ -65,6 +65,14 @@ If not what makes it happen or not happen?
 Change Log
 ----------
 
+v3.13.2-segwit-test
+
+Added support for SegWit.
+
+This is a test release, it may contain bugs and additional debug logging.
+Solo miners are invited to test it and report their results. Other users
+may want to wait for the next general release before upgrading.
+
 v3.13.1.1
 
 Fixed Windows crash mining minotaur algo.

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for cpuminer-opt 3.13.1.1.
+# Generated by GNU Autoconf 2.69 for cpuminer-opt 3.13.2-segwit-test.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -577,8 +577,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='cpuminer-opt'
 PACKAGE_TARNAME='cpuminer-opt'
-PACKAGE_VERSION='3.13.1.1'
-PACKAGE_STRING='cpuminer-opt 3.13.1.1'
+PACKAGE_VERSION='3.13.2-segwit-test'
+PACKAGE_STRING='cpuminer-opt 3.13.2-segwit-test'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1332,7 +1332,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures cpuminer-opt 3.13.1.1 to adapt to many kinds of systems.
+\`configure' configures cpuminer-opt 3.13.2-segwit-test to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1404,7 +1404,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of cpuminer-opt 3.13.1.1:";;
+     short | recursive ) echo "Configuration of cpuminer-opt 3.13.2-segwit-test:";;
    esac
   cat <<\_ACEOF
 
@@ -1509,7 +1509,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-cpuminer-opt configure 3.13.1.1
+cpuminer-opt configure 3.13.2-segwit-test
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2012,7 +2012,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by cpuminer-opt $as_me 3.13.1.1, which was
+It was created by cpuminer-opt $as_me 3.13.2-segwit-test, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2993,7 +2993,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='cpuminer-opt'
- VERSION='3.13.1.1'
+ VERSION='3.13.2-segwit-test'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -6690,7 +6690,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by cpuminer-opt $as_me 3.13.1.1, which was
+This file was extended by cpuminer-opt $as_me 3.13.2-segwit-test, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -6756,7 +6756,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-cpuminer-opt config.status 3.13.1.1
+cpuminer-opt config.status 3.13.2-segwit-test
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([cpuminer-opt], [3.13.1.1])
+AC_INIT([cpuminer-opt], [3.13.2-segwit-test])
 
 AC_PREREQ([2.59c])
 AC_CANONICAL_SYSTEM

cpu-miner.c

@@ -563,6 +563,23 @@ static bool gbt_work_decode( const json_t *val, struct work *work )
    json_t *tmp, *txa;
    bool rc = false;
 
+// Segwit BEGIN
+   bool segwit = false;
+   tmp = json_object_get(val, "rules");
+   if (tmp && json_is_array(tmp)) {
+      n = json_array_size(tmp);
+      for (i = 0; i < n; i++) {
+         const char *s = json_string_value(json_array_get(tmp, i));
+         if (!s)
+            continue;
+         if (!strcmp(s, "segwit") || !strcmp(s, "!segwit"))
+            segwit = true;
+      }
+   }
+// Segwit END
+
+if ( segwit ) applog( LOG_INFO, "SEGWIT test, segwit is enabled");
+
    tmp = json_object_get( val, "mutable" );
    if ( tmp && json_is_array( tmp ) )
    {
@@ -596,6 +613,8 @@ static bool gbt_work_decode( const json_t *val, struct work *work )
    }
    version = (uint32_t) json_integer_value( tmp );
 
+   applog( LOG_INFO, "SEGWIT test, block version= %d", version );
+
    // yescryptr8g uses block version 5 and sapling.
    if ( opt_sapling )
       work->sapling = true;
@@ -721,13 +740,59 @@ static bool gbt_work_decode( const json_t *val, struct work *work )
       cbtx[41] = cbtx_size - 42; /* scriptsig length */
       le32enc( (uint32_t *)( cbtx+cbtx_size ), 0xffffffff ); /* sequence */
       cbtx_size += 4;
-      cbtx[ cbtx_size++ ] = 1; /* out-counter */
+
+// Segwit BEGIN
+      //cbtx[cbtx_size++] = 1; /* out-counter */
+        cbtx[cbtx_size++] = segwit ? 2 : 1; /* out-counter */
+// Segwit END
+
       le32enc( (uint32_t *)( cbtx+cbtx_size) , (uint32_t)cbvalue ); /* value */
       le32enc( (uint32_t *)( cbtx+cbtx_size+4 ), cbvalue >> 32 );
       cbtx_size += 8;
       cbtx[ cbtx_size++ ] = (uint8_t) pk_script_size; /* txout-script length */
       memcpy( cbtx+cbtx_size, pk_script, pk_script_size );
       cbtx_size += (int) pk_script_size;
+
+// Segwit BEGIN
+       if (segwit) {
+
+applog( LOG_INFO, "SEGWIT test: add segwit to tx"); 
+
+          unsigned char (*wtree)[32] = calloc(tx_count + 2, 32);
+         memset(cbtx+cbtx_size, 0, 8); /* value */
+         cbtx_size += 8;
+         cbtx[cbtx_size++] = 38; /* txout-script length */
+         cbtx[cbtx_size++] = 0x6a; /* txout-script */
+         cbtx[cbtx_size++] = 0x24;
+         cbtx[cbtx_size++] = 0xaa;
+         cbtx[cbtx_size++] = 0x21;
+         cbtx[cbtx_size++] = 0xa9;
+         cbtx[cbtx_size++] = 0xed;
+         for (i = 0; i < tx_count; i++) {
+            const json_t *tx = json_array_get(txa, i);
+            const json_t *hash = json_object_get(tx, "hash");
+            if (!hash || !hex2bin(wtree[1+i], json_string_value(hash), 32)) {
+               applog(LOG_ERR, "JSON invalid transaction hash");
+               free(wtree);
+               goto out;
+            }
+            memrev(wtree[1+i], 32);
+         }
+         n = tx_count + 1;
+         while (n > 1) {
+            if (n % 2)
+               memcpy(wtree[n], wtree[n-1], 32);
+            n = (n + 1) / 2;
+            for (i = 0; i < n; i++)
+               sha256d(wtree[i], wtree[2*i], 64);
+         }
+         memset(wtree[1], 0, 32);  /* witness reserved value = 0 */
+         sha256d(cbtx+cbtx_size, wtree[0], 64);
+         cbtx_size += 32;
+         free(wtree);
+      }
+// Segwit END
+
       le32enc( (uint32_t *)( cbtx+cbtx_size ), 0 ); /* lock time */
       cbtx_size += 4;
       coinbase_append = true;
@@ -802,14 +867,36 @@ static bool gbt_work_decode( const json_t *val, struct work *work )
       tmp = json_array_get( txa, i );
       const char *tx_hex = json_string_value( json_object_get( tmp, "data" ) );
       const int tx_size = tx_hex ? (int) ( strlen( tx_hex ) / 2 ) : 0;
-      unsigned char *tx = (uchar*) malloc( tx_size );
-      if ( !tx_hex || !hex2bin( tx, tx_hex, tx_size ) )
+
+// Segwit BEGIN      
+      if ( segwit )
       {
-         applog( LOG_ERR, "JSON invalid transactions" );
+         const char *txid = json_string_value(json_object_get(tmp, "txid"));
+         if (!txid || !hex2bin(merkle_tree[1 + i], txid, 32))
+         {
+            applog(LOG_ERR, "JSON invalid transaction txid");
+            goto out;
+         }
+         memrev(merkle_tree[1 + i], 32);
+      }
+      else
+      {
+// Segwit END
+
+         unsigned char *tx = (uchar*) malloc( tx_size );
+         if ( !tx_hex || !hex2bin( tx, tx_hex, tx_size ) )
+         {
+            applog( LOG_ERR, "JSON invalid transactions" );
+            free( tx );
+            goto out;
+         }
+         sha256d( merkle_tree[1 + i], tx, tx_size );
          free( tx );
-         goto out;
+
+// Segwit BEGIN      
       }
-      sha256d( merkle_tree[1 + i], tx, tx_size );
+// Segwit END
+
       if ( !submit_coinbase )
          strcat( work->txs, tx_hex );
    }
@@ -1405,12 +1492,24 @@ const char *getwork_req =
 
 #define GBT_CAPABILITIES "[\"coinbasetxn\", \"coinbasevalue\", \"longpoll\", \"workid\"]"
 
+// Segwit BEGIN
+#define GBT_RULES "[\"segwit\"]"
+static const char *gbt_req =
+   "{\"method\": \"getblocktemplate\", \"params\": [{\"capabilities\": "
+   GBT_CAPABILITIES ", \"rules\": " GBT_RULES "}], \"id\":0}\r\n";
+const char *gbt_lp_req =
+   "{\"method\": \"getblocktemplate\", \"params\": [{\"capabilities\": "
+   GBT_CAPABILITIES ", \"rules\": " GBT_RULES ", \"longpollid\": \"%s\"}], \"id\":0}\r\n";
+
+/*
 static const char *gbt_req =
 	"{\"method\": \"getblocktemplate\", \"params\": [{\"capabilities\": "
 	GBT_CAPABILITIES "}], \"id\":0}\r\n";
 const char *gbt_lp_req =
 	"{\"method\": \"getblocktemplate\", \"params\": [{\"capabilities\": "
 	GBT_CAPABILITIES ", \"longpollid\": \"%s\"}], \"id\":0}\r\n";
+*/
+// Segwit END
 
 static bool get_upstream_work( CURL *curl, struct work *work )
 {
@@ -3219,6 +3318,13 @@ static void show_credits()
    printf("     A CPU miner with multi algo support and optimized for CPUs\n");
    printf("     with AVX512, SHA and VAES extensions.\n");
    printf("     BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT\n\n");
+
+printf("/nWarning: this is a test release, it may contain bugs and aditional\n");
+printf("debug log output. Users who solo mine using getwork or GBT are invited\n\n");
+printf("to use it for testing purposes. Please report any regressions. Other\n");
+printf("users may prefer to continue using the latest general release.\n\n");
+
+
 }
 
 bool check_cpu_capability ()

miner.h

@@ -313,6 +313,10 @@ size_t address_to_script( unsigned char *out, size_t outsz, const char *addr );
 int    timeval_subtract( struct timeval *result, struct timeval *x,
                            struct timeval *y);
 
+// Segwit BEGIN
+extern void memrev(unsigned char *p, size_t len);
+// Segwit END
+
 // Bitcoin formula for converting difficulty to an equivalent
 // number of hashes.
 //

util.c

@@ -747,6 +747,19 @@ json_t* json_load_url(char* cfg_url, json_error_t *err)
 	return cfg;
 }
 
+// Segwit BEGIN
+void memrev(unsigned char *p, size_t len)
+{
+   unsigned char c, *q;
+   for (q = p + len - 1; p < q; p++, q--) {
+      c = *p;
+      *p = *q;
+      *q = c;
+   }
+}
+// Segwit END
+
+
 void cbin2hex(char *out, const char *in, size_t len)
 {
    if (out) {