moved all stuff to github

1 files changed, 193 insertions, 0 deletions

diff --git a/src/cryptonote_core/cryptonote_basic_impl.cpp b/src/cryptonote_core/cryptonote_basic_impl.cpp
new file mode 100644
index 000000000..b320a3463
--- /dev/null
+++ b/src/cryptonote_core/cryptonote_basic_impl.cpp
@@ -0,0 +1,193 @@
+// Copyright (c) 2012-2013 The Cryptonote developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+
+#include "include_base_utils.h"
+using namespace epee;
+
+#include "cryptonote_basic_impl.h"
+#include "string_tools.h"
+#include "serialization/binary_utils.h"
+#include "serialization/vector.h"
+#include "cryptonote_format_utils.h"
+#include "cryptonote_config.h"
+#include "misc_language.h"
+#include "common/base58.h"
+#include "crypto/hash.h"
+#include "common/int-util.h"
+
+namespace cryptonote {
+
+  /************************************************************************/
+  /* Cryptonote helper functions                                          */
+  /************************************************************************/
+  //-----------------------------------------------------------------------------------------------
+  size_t get_max_block_size()
+  {
+    return CRYPTONOTE_MAX_BLOCK_SIZE; 
+  }
+  //-----------------------------------------------------------------------------------------------
+  size_t get_max_tx_size()
+  {
+    return CRYPTONOTE_MAX_TX_SIZE;
+  }
+  //-----------------------------------------------------------------------------------------------
+  uint64_t get_block_reward(std::vector<size_t>& last_blocks_sizes, size_t current_block_size, bool& block_too_big, uint64_t already_generated_coins)
+  {
+    block_too_big = false;
+
+    uint64_t base_reward = (MONEY_SUPPLY - already_generated_coins) >> 18;
+
+    if(current_block_size < CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE)
+      return base_reward;
+
+    size_t med_sz = misc_utils::median(last_blocks_sizes);
+
+    //make it soft
+    if(med_sz < CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE)
+      med_sz = CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE;
+
+    if(current_block_size > med_sz)
+    {
+      if(current_block_size > med_sz*2)
+      {
+        LOG_PRINT_L0("Block cumulative size is too big: " << current_block_size << ", expected less than " << med_sz*2);
+         block_too_big = true;
+         return 0;
+      }
+
+      assert(med_sz < std::numeric_limits<uint32_t>::max());
+      assert(current_block_size < std::numeric_limits<uint32_t>::max());
+
+      uint64_t product_hi;
+      uint64_t product_lo = mul128(base_reward, current_block_size * (2 * med_sz - current_block_size), &product_hi);
+
+      uint64_t reward_hi;
+      uint64_t reward_lo;
+      div128_32(product_hi, product_lo, static_cast<uint32_t>(med_sz), &reward_hi, &reward_lo);
+      div128_32(reward_hi, reward_lo, static_cast<uint32_t>(med_sz), &reward_hi, &reward_lo);
+      assert(0 == reward_hi);
+      assert(reward_lo < base_reward);
+
+      return reward_lo;
+    }else
+      return base_reward;
+  }
+  //------------------------------------------------------------------------------------
+  uint8_t get_account_address_checksum(const public_address_outer_blob& bl)
+  {
+    const unsigned char* pbuf = reinterpret_cast<const unsigned char*>(&bl);
+    uint8_t summ = 0;
+    for(size_t i = 0; i!= sizeof(public_address_outer_blob)-1; i++)
+      summ += pbuf[i];
+
+    return summ;
+  }
+  //-----------------------------------------------------------------------
+  std::string get_account_address_as_str(const account_public_address& adr)
+  {
+    return tools::base58::encode_addr(CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX, t_serializable_object_to_blob(adr));
+  }
+  //-----------------------------------------------------------------------
+  bool is_coinbase(const transaction& tx)
+  {
+    if(tx.vin.size() != 1)
+      return false;
+
+    if(tx.vin[0].type() != typeid(txin_gen))
+      return false;
+
+    return true;
+  }
+  //-----------------------------------------------------------------------
+  bool get_account_address_from_str(account_public_address& adr, const std::string& str)
+  {
+    if (2 * sizeof(public_address_outer_blob) != str.size())
+    {
+      blobdata data;
+      uint64_t prefix;
+      if (!tools::base58::decode_addr(str, prefix, data))
+      {
+        LOG_PRINT_L0("Invalid address format");
+        return false;
+      }
+
+      if (CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX != prefix)
+      {
+        LOG_PRINT_L0("Wrong address prefix: " << prefix << ", expected " << CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX);
+        return false;
+      }
+
+      if (!::serialization::parse_binary(data, adr))
+      {
+        LOG_PRINT_L0("Account public address keys can't be parsed");
+        return false;
+      }
+
+      if (!crypto::check_key(adr.m_spend_public_key) || !crypto::check_key(adr.m_view_public_key))
+      {
+        LOG_PRINT_L0("Failed to validate address keys");
+        return false;
+      }
+    }
+    else
+    {
+      // Old address format
+      std::string buff;
+      if(!string_tools::parse_hexstr_to_binbuff(str, buff))
+        return false;
+
+      if(buff.size()!=sizeof(public_address_outer_blob))
+      {
+        LOG_PRINT_L0("Wrong public address size: " << buff.size() << ", expected size: " << sizeof(public_address_outer_blob));
+        return false;
+      }
+
+      public_address_outer_blob blob = *reinterpret_cast<const public_address_outer_blob*>(buff.data());
+
+
+      if(blob.m_ver > CRYPTONOTE_PUBLIC_ADDRESS_TEXTBLOB_VER)
+      {
+        LOG_PRINT_L0("Unknown version of public address: " << blob.m_ver << ", expected " << CRYPTONOTE_PUBLIC_ADDRESS_TEXTBLOB_VER);
+        return false;
+      }
+
+      if(blob.check_sum != get_account_address_checksum(blob))
+      {
+        LOG_PRINT_L0("Wrong public address checksum");
+        return false;
+      }
+
+      //we success
+      adr = blob.m_address;
+    }
+
+    return true;
+  }
+
+  bool operator ==(const cryptonote::transaction& a, const cryptonote::transaction& b) {
+    return cryptonote::get_transaction_hash(a) == cryptonote::get_transaction_hash(b);
+  }
+
+  bool operator ==(const cryptonote::block& a, const cryptonote::block& b) {
+    return cryptonote::get_block_hash(a) == cryptonote::get_block_hash(b);
+  }
+}
+
+//--------------------------------------------------------------------------------
+bool parse_hash256(const std::string str_hash, crypto::hash& hash)
+{
+  std::string buf;
+  bool res = epee::string_tools::parse_hexstr_to_binbuff(str_hash, buf);
+  if (!res || buf.size() != sizeof(crypto::hash))
+  {
+    std::cout << "invalid hash format: <" << str_hash << '>' << std::endl;
+    return false;
+  }
+  else
+  {
+    buf.copy(reinterpret_cast<char *>(&hash), sizeof(crypto::hash));
+    return true;
+  }
+}