Added SAL support

binding.gyp

@@ -7,6 +7,7 @@
                 "src/cryptonote_core/cryptonote_format_utils.cpp",
                 "src/offshore/pricing_record.cpp",
                 "src/zephyr_oracle/pricing_record.cpp",
+                "src/salvium_oracle/pricing_record.cpp",
                 "src/crypto/tree-hash.c",
                 "src/crypto/crypto.cpp",
                 "src/crypto/crypto-ops.c",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cryptoforknote-util",
-  "version": "15.4.0",
+  "version": "15.5.9",
   "author": {
     "name": "LucasJones",
     "email": "lucasjonesdev@hotmail.co.uk"
@@ -10,16 +10,16 @@
     "url": "https://github.com/haven-protocol-org/node-cryptoforknote-util.git"
   },
   "dependencies": {
-    "promise": "*",
-    "bindings": "*",
-    "nan": "^2.14.2",
-    "bignum": "^0.13.1",
-    "sha3": "*",
     "base58-native": "*",
     "bech32": "*",
-    "varuint-bitcoin": "^1.0.4",
+    "bignum": "^0.13.1",
+    "bindings": "*",
+    "bitcoinjs-lib": "git+https://github.com/MoneroOcean/bitcoinjs-lib.git",
     "merkle-lib": "^2.0.10",
-    "bitcoinjs-lib": "git+https://github.com/MoneroOcean/bitcoinjs-lib.git"
+    "nan": "^2.20.0",
+    "promise": "*",
+    "sha3": "*",
+    "varuint-bitcoin": "^1.0.4"
   },
   "keywords": [
     "cryptonight",

src/cryptonote_config.h

@@ -36,4 +36,5 @@ enum BLOB_TYPE {
   BLOB_TYPE_CRYPTONOTE_XTA    = 12, // ITALO
   BLOB_TYPE_CRYPTONOTE_ZEPHYR = 13, // ZEPHYR
   BLOB_TYPE_CRYPTONOTE_XLA    = 14, // XLA
+  BLOB_TYPE_CRYPTONOTE_SALVIUM= 15, // Salvium
 };

src/cryptonote_core/cryptonote_basic.h

@@ -17,6 +17,7 @@
 #include "serialization/crypto.h"
 #include "serialization/pricing_record.h"
 #include "serialization/zephyr_pricing_record.h"
+#include "serialization/salvium_pricing_record.h"
 #include "serialization/keyvalue_serialization.h" // eepe named serialization
 #include "string_tools.h"
 #include "cryptonote_config.h"
@@ -28,6 +29,7 @@
 #include "cryptonote_protocol/blobdatatype.h"
 #include "offshore/pricing_record.h"
 #include "zephyr_oracle/pricing_record.h"
+#include "salvium_oracle/pricing_record.h"
 
 
 namespace cryptonote
@@ -48,7 +50,19 @@ namespace cryptonote
 
   typedef std::vector<crypto::signature> ring_signature;
 
-
+  enum salvium_transaction_type
+  {
+    UNSET = 0,
+    MINER = 1,
+    PROTOCOL = 2,
+    TRANSFER = 3,
+    CONVERT = 4,
+    BURN = 5,
+    STAKE = 6,
+    RETURN = 7,
+    MAX = 7
+  };
+  
   /* outputs */
 
   struct txout_to_script
@@ -167,6 +181,41 @@ namespace cryptonote
     END_SERIALIZE()
   };
 
+  // SALVIUM
+  struct txout_salvium_key
+  {
+    txout_salvium_key() { }
+    txout_salvium_key(const crypto::public_key &_key, const std::string &_asset_type, const uint64_t &_unlock_time) :
+      key(_key), asset_type(_asset_type), unlock_time(_unlock_time) { }
+    crypto::public_key key;
+    std::string asset_type;
+    uint64_t unlock_time;
+
+    BEGIN_SERIALIZE_OBJECT()
+      FIELD(key)
+      FIELD(asset_type)
+      VARINT_FIELD(unlock_time)
+    END_SERIALIZE()
+  };
+
+  struct txout_salvium_tagged_key
+  {
+    txout_salvium_tagged_key() { }
+    txout_salvium_tagged_key(const crypto::public_key &_key, const std::string &_asset_type, const uint64_t &_unlock_time, const crypto::view_tag &_view_tag) :
+      key(_key), asset_type(_asset_type), unlock_time(_unlock_time), view_tag(_view_tag) { }
+    crypto::public_key key;
+    std::string asset_type;
+    uint64_t unlock_time;
+    crypto::view_tag view_tag; // optimization to reduce scanning time
+
+    BEGIN_SERIALIZE_OBJECT()
+      FIELD(key)
+      FIELD(asset_type)
+      VARINT_FIELD(unlock_time)
+      FIELD(view_tag)
+    END_SERIALIZE()
+  };
+
   /* inputs */
 
   struct txin_gen
@@ -290,11 +339,28 @@ namespace cryptonote
     END_SERIALIZE()
   };
   
+  struct txin_salvium_key
+  {
+    uint64_t amount;
+    std::string asset_type;
+    std::vector<uint64_t> key_offsets;
+    crypto::key_image k_image;      // double spending protection
+
+    BEGIN_SERIALIZE_OBJECT()
+      VARINT_FIELD(amount)
+      FIELD(asset_type)
+      FIELD(key_offsets)
+      FIELD(k_image)
+    END_SERIALIZE()
+  };
+  
   typedef boost::variant<txin_gen, txin_to_script, txin_to_scripthash, txin_to_key, txin_offshore, txin_onshore, txin_xasset, txin_haven_key> txin_v;
   typedef boost::variant<txin_gen, txin_to_script, txin_to_scripthash, txin_zephyr_key> txin_zephyr_v;
+  typedef boost::variant<txin_gen, txin_to_script, txin_to_scripthash, txin_salvium_key> txin_salvium_v;
 
   typedef boost::variant<txout_to_script, txout_to_scripthash, txout_to_key, txout_to_tagged_key> txout_target_v;
   typedef boost::variant<txout_to_script, txout_to_scripthash, txout_to_key, txout_offshore, txout_xasset, txout_haven_key, txout_haven_tagged_key> txout_xhv_target_v;
+  typedef boost::variant<txout_to_script, txout_to_scripthash, txout_salvium_key, txout_salvium_tagged_key> txout_salvium_target_v;
 
   typedef boost::variant<txout_to_script, txout_to_scripthash, txout_zephyr_tagged_key> txout_stablero_target_v;
 
@@ -331,6 +397,17 @@ namespace cryptonote
     END_SERIALIZE()
   };
 
+  struct tx_out_salvium
+  {
+    uint64_t amount;
+    txout_salvium_target_v target;
+
+    BEGIN_SERIALIZE_OBJECT()
+      VARINT_FIELD(amount)
+      FIELD(target)
+    END_SERIALIZE()
+  };
+
 
   enum loki_version
   {
@@ -352,9 +429,11 @@ namespace cryptonote
 
     std::vector<txin_v> vin;
     std::vector<txin_zephyr_v> vin_zephyr;
+    std::vector<txin_salvium_v> vin_salvium;
     std::vector<tx_out> vout;
     std::vector<tx_out_xhv> vout_xhv;
     std::vector<tx_out_zephyr> vout_zephyr;
+    std::vector<tx_out_salvium> vout_salvium;
     //extra
     std::vector<uint8_t> extra;
     // Block height to use PR from
@@ -366,6 +445,23 @@ namespace cryptonote
     std::vector<uint64_t> output_unlock_times;
     std::vector<uint32_t> collateral_indices;
 
+    // SALVIUM-SPECIFIC FIELDS
+    // TX type
+    cryptonote::salvium_transaction_type tx_type;
+    // Return address
+    crypto::public_key return_address;
+    // Return TX public key
+    crypto::public_key return_pubkey;
+    // Source asset type
+    std::string source_asset_type;
+    // Destination asset type (this is only necessary for CONVERT transactions)
+    std::string destination_asset_type;
+    // Circulating supply information - already provided by Haven
+    //uint64_t amount_burnt;
+    // Slippage limit
+    uint64_t amount_slippage_limit;
+
+
     //
     // NOTE: Loki specific
     //
@@ -629,7 +725,27 @@ namespace cryptonote
         VARINT_FIELD(pricing_record_height)
         VARINT_FIELD(amount_burnt)
         VARINT_FIELD(amount_minted)
-  
+
+      } else if (blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM) {
+
+        VARINT_FIELD(version)
+        //if(version == 0 || CURRENT_TRANSACTION_VERSION < version) return false;
+        VARINT_FIELD(unlock_time)
+        FIELD(vin_salvium)
+        FIELD(vout_salvium)
+        FIELD(extra)
+        VARINT_FIELD(tx_type)
+        if (tx_type != cryptonote::salvium_transaction_type::PROTOCOL) {
+          VARINT_FIELD(amount_burnt)
+          if (tx_type != cryptonote::salvium_transaction_type::MINER) {
+            FIELD(return_address)
+            FIELD(return_pubkey)
+            FIELD(source_asset_type)
+            FIELD(destination_asset_type)
+            VARINT_FIELD(amount_slippage_limit)
+          }
+        }
+        
       } else {
   
         VARINT_FIELD(version)
@@ -722,7 +838,7 @@ namespace cryptonote
       else
       {
         ar.tag("rct_signatures");
-        if (blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? !vin_zephyr.empty() : !vin.empty())
+        if (blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM ? !vin_salvium.empty() : (blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? !vin_zephyr.empty() : !vin.empty()))
         {
           ar.begin_object();
           bool r;
@@ -730,6 +846,8 @@ namespace cryptonote
             r = rct_signatures.serialize_rctsig_base(ar, vin.size(), vout_xhv.size());
           else if (blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR)
             r = rct_signatures.serialize_rctsig_base(ar, vin_zephyr.size(), vout_zephyr.size());
+          else if (blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM)
+            r = rct_signatures.serialize_rctsig_base(ar, vin_salvium.size(), vout_salvium.size());
           else
             r = rct_signatures.serialize_rctsig_base(ar, vin.size(), vout.size());
           if (!r || !ar.stream().good()) return false;
@@ -741,6 +859,9 @@ namespace cryptonote
             if (blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR) {
               r = rct_signatures.p.serialize_rctsig_prunable(ar, rct_signatures.type, vin_zephyr.size(), vout_zephyr.size(),
                   vin_zephyr[0].type() == typeid(txin_zephyr_key) ? boost::get<txin_zephyr_key>(vin_zephyr[0]).key_offsets.size() - 1 : 0);
+            } else if (blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM) {
+              r = rct_signatures.p.serialize_rctsig_prunable(ar, rct_signatures.type, vin_salvium.size(), vout_salvium.size(),
+                  vin_salvium[0].type() == typeid(txin_salvium_key) ? boost::get<txin_salvium_key>(vin_salvium[0]).key_offsets.size() - 1 : 0);
             } else if (blob_type == BLOB_TYPE_CRYPTONOTE_XHV) {
               r = rct_signatures.p.serialize_rctsig_prunable(ar, rct_signatures.type, vin.size(), vout_xhv.size(),
                   vin.size() > 0 && vin[0].type() == typeid(txin_to_key) ? boost::get<txin_to_key>(vin[0]).key_offsets.size() - 1 :
@@ -932,6 +1053,7 @@ namespace cryptonote
     uint64_t nonce8;
     offshore::pricing_record pricing_record;
     zephyr_oracle::pricing_record zephyr_pricing_record;
+    salvium_oracle::pricing_record salvium_pricing_record;
     crypto::cycle cycle;
     crypto::cycle40 cycle40;
     crypto::cycle48 cycle48;
@@ -957,7 +1079,8 @@ namespace cryptonote
       if (blob_type == BLOB_TYPE_CRYPTONOTE_TUBE) FIELD(cycle40)
       if (blob_type == BLOB_TYPE_CRYPTONOTE_XTA) FIELD(cycle48)
       if (blob_type == BLOB_TYPE_CRYPTONOTE_XHV) FIELD(pricing_record)
-      if (blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR) {
+      else if (blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM) FIELD(salvium_pricing_record)
+      else if (blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR) {
         if (major_version >= 4)
         {
           FIELD_N("pricing_record", zephyr_pricing_record)
@@ -1001,10 +1124,11 @@ namespace cryptonote
     bytecoin_block parent_block;
 
     transaction miner_tx;
+    transaction protocol_tx;
     std::vector<crypto::hash> tx_hashes;
     mutable crypto::hash uncle = cryptonote::null_hash;
 
-    void set_blob_type(enum BLOB_TYPE bt) { miner_tx.blob_type = blob_type = bt; }
+    void set_blob_type(enum BLOB_TYPE bt) { miner_tx.blob_type = protocol_tx.blob_type = blob_type = bt; }
 
     BEGIN_SERIALIZE_OBJECT()
       FIELDS(*static_cast<block_header *>(this))
@@ -1014,6 +1138,10 @@ namespace cryptonote
         FIELD_N("parent_block", sbb);
       }
       FIELD(miner_tx)
+      if (blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM)
+      {
+        FIELD(protocol_tx)
+      }
       FIELD(tx_hashes)
       if (blob_type == BLOB_TYPE_CRYPTONOTE3)
       {
@@ -1075,14 +1203,17 @@ VARIANT_TAG(binary_archive, cryptonote::txin_to_scripthash, 0x1);
 VARIANT_TAG(binary_archive, cryptonote::txin_to_key, 0x2);
 VARIANT_TAG(binary_archive, cryptonote::txin_zephyr_key, 0x2);
 VARIANT_TAG(binary_archive, cryptonote::txin_offshore, 0x3);
+VARIANT_TAG(binary_archive, cryptonote::txin_salvium_key, 0x2);
 VARIANT_TAG(binary_archive, cryptonote::txin_onshore, 0x4);
 VARIANT_TAG(binary_archive, cryptonote::txin_xasset, 0x5);
 VARIANT_TAG(binary_archive, cryptonote::txin_haven_key, 0x6);
 VARIANT_TAG(binary_archive, cryptonote::txout_to_script, 0x0);
 VARIANT_TAG(binary_archive, cryptonote::txout_to_scripthash, 0x1);
 VARIANT_TAG(binary_archive, cryptonote::txout_to_key, 0x2);
+VARIANT_TAG(binary_archive, cryptonote::txout_salvium_key, 0x2);
 VARIANT_TAG(binary_archive, cryptonote::txout_zephyr_tagged_key, 0x2);
 VARIANT_TAG(binary_archive, cryptonote::txout_to_tagged_key, 0x3);
+VARIANT_TAG(binary_archive, cryptonote::txout_salvium_tagged_key, 0x3);
 VARIANT_TAG(binary_archive, cryptonote::txout_offshore, 0x3);
 VARIANT_TAG(binary_archive, cryptonote::txout_xasset, 0x5);
 VARIANT_TAG(binary_archive, cryptonote::txout_haven_key, 0x6);

src/cryptonote_core/cryptonote_format_utils.cpp

@@ -220,8 +220,8 @@ namespace cryptonote
     {
       std::stringstream ss;
       binary_archive<true> ba(ss);
-      const size_t inputs = t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? t.vin_zephyr.size() : t.vin.size();
-      const size_t outputs = t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? t.vout_zephyr.size() : t.blob_type != BLOB_TYPE_CRYPTONOTE_XHV ? t.vout.size() : t.vout_xhv.size();
+      const size_t inputs  = t.blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM ? t.vin_salvium.size()  : (t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? t.vin_zephyr.size() : t.vin.size());
+      const size_t outputs = t.blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM ? t.vout_salvium.size() : (t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? t.vout_zephyr.size() : (t.blob_type != BLOB_TYPE_CRYPTONOTE_XHV ? t.vout.size() : t.vout_xhv.size()));
       bool r = tt.rct_signatures.serialize_rctsig_base(ba, inputs, outputs);
       CHECK_AND_ASSERT_MES(r, false, "Failed to serialize rct signatures base");
       cryptonote::get_blob_hash(ss.str(), hashes[1]);
@@ -236,10 +236,12 @@ namespace cryptonote
     {
       std::stringstream ss;
       binary_archive<true> ba(ss);
-      const size_t inputs = t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? t.vin_zephyr.size() : t.vin.size();
-      const size_t outputs = t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? t.vout_zephyr.size() : t.blob_type != BLOB_TYPE_CRYPTONOTE_XHV ? t.vout.size() : t.vout_xhv.size();
+      const size_t inputs  = t.blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM ? t.vin_salvium.size()  : (t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? t.vin_zephyr.size() : t.vin.size());
+      const size_t outputs = t.blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM ? t.vout_salvium.size() : (t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR ? t.vout_zephyr.size() : (t.blob_type != BLOB_TYPE_CRYPTONOTE_XHV ? t.vout.size() : t.vout_xhv.size()));
       size_t mixin;
-      if (t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR) {
+      if (t.blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM) {
+        mixin = t.vin_salvium.empty() ? 0 : t.vin_salvium[0].type() == typeid(txin_salvium_key) ? boost::get<txin_salvium_key>(t.vin_salvium[0]).key_offsets.size() - 1 : 0;
+      } else if (t.blob_type == BLOB_TYPE_CRYPTONOTE_ZEPHYR) {
         mixin = t.vin_zephyr.empty() ? 0 : t.vin_zephyr[0].type() == typeid(txin_zephyr_key) ? boost::get<txin_zephyr_key>(t.vin_zephyr[0]).key_offsets.size() - 1 : 0;
       } else if (t.blob_type == BLOB_TYPE_CRYPTONOTE_XHV) {
         mixin = t.vin.empty() ? 0 :
@@ -285,7 +287,11 @@ namespace cryptonote
     }
     crypto::hash tree_root_hash = get_tx_tree_hash(b);
     blob.append(reinterpret_cast<const char*>(&tree_root_hash), sizeof(tree_root_hash));
-    blob.append(tools::get_varint_data(b.tx_hashes.size()+1));
+    if (b.blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM) {
+      blob.append(tools::get_varint_data(b.tx_hashes.size()+2));
+    } else {
+      blob.append(tools::get_varint_data(b.tx_hashes.size()+1));
+    }
     if (b.blob_type == BLOB_TYPE_CRYPTONOTE3) {
       blob.append(reinterpret_cast<const char*>(&b.uncle), sizeof(b.uncle));
     }
@@ -413,6 +419,12 @@ namespace cryptonote
     crypto::hash h = null_hash;
     size_t bl_sz = 0;
     get_transaction_hash(b.miner_tx, h, bl_sz);
+    if (b.blob_type == BLOB_TYPE_CRYPTONOTE_SALVIUM) {
+      txs_ids.push_back(h);
+      h = null_hash;
+      bl_sz = 0;
+      get_transaction_hash(b.protocol_tx, h, bl_sz);
+    }
     txs_ids.push_back(h);
     BOOST_FOREACH(auto& th, b.tx_hashes)
       txs_ids.push_back(th);

src/ringct/rctTypes.h

@@ -87,6 +87,8 @@ namespace rct {
     typedef std::vector<key> keyV; //vector of keys
     typedef std::vector<keyV> keyM; //matrix of keys (indexed by column first)
 
+  static key null_key = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+  
     //containers For CT operations
     //if it's  representing a private ctkey then "dest" contains the secret key of the address
     // while "mask" contains a where C = aG + bH is CT pedersen commitment and b is the amount
@@ -325,6 +327,7 @@ namespace rct {
       xmr_amount txnOffshoreFee_usd = 0;
       xmr_amount txnOffshoreFee_xasset = 0;
       keyV maskSums; // contains 2 or 3 elements. 1. is the sum of masks of inputs. 2. is the sum of masks of change outputs. 3. mask of the col output.
+      key p_r;
 
       template<bool W, template <bool> class Archive>
       bool serialize_rctsig_base(Archive<W> &ar, size_t inputs, size_t outputs)
@@ -384,6 +387,8 @@ namespace rct {
           FIELDS(maskSums[2])
             ar.end_array();
         }
+        if (crypto_verify_32(p_r.bytes, null_key.bytes))
+          FIELD(p_r)
         return ar.stream().good();
       }
 

src/salvium_oracle/asset_types.h

@@ -0,0 +1,77 @@
+// Copyright (c) 2021, Haven Protocol
+// 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.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+
+#pragma once
+#include <string>
+#include <vector>
+
+namespace salvium_oracle {
+
+  const std::vector<std::string> ASSET_TYPES = {"SAL", "VSD", "BURN"};
+
+  class asset_type_counts
+  {
+
+    public:
+
+      // Fields 
+      uint64_t SAL;
+      uint64_t VSD;
+      uint64_t BURN;
+
+      asset_type_counts() noexcept
+        : SAL(0)
+        , VSD(0)
+        , BURN(0)
+      {
+      }
+
+      uint64_t operator[](const std::string asset_type) const noexcept
+      {
+        if (asset_type == "SAL") {
+          return SAL;
+        } else if (asset_type == "VSD") {
+          return VSD;
+        } else if (asset_type == "BURN") {
+          return BURN;
+        }
+
+        return 0;
+      }
+
+      void add(const std::string asset_type, const uint64_t val)
+      {
+        if (asset_type == "SAL") {
+          SAL += val;
+        } else if (asset_type == "VSD") {
+          VSD += val;
+        } else if (asset_type == "BURN") {
+          BURN += val;
+        }
+      }
+  };
+}

src/salvium_oracle/pricing_record.cpp

@@ -0,0 +1,246 @@
+// Copyright (c) 2019, Haven Protocol
+// 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.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+//
+// Portions of this code based upon code Copyright (c) 2019, The Monero Project
+
+#include <boost/multiprecision/cpp_int.hpp>
+#include "pricing_record.h"
+
+#include "serialization/keyvalue_serialization.h"
+#include "storages/portable_storage.h"
+
+#include "string_tools.h"
+namespace salvium_oracle
+{
+
+  namespace
+  {
+    struct asset_data_serialized
+    {
+      std::string asset_type;
+      uint64_t spot_price;
+      uint64_t ma_price;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(asset_type)
+        KV_SERIALIZE(spot_price)
+        KV_SERIALIZE(ma_price)
+      END_KV_SERIALIZE_MAP()
+    };
+
+    struct supply_data_serialized
+    {
+      uint64_t SAL;
+      uint64_t VSD;
+      
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(SAL)
+        KV_SERIALIZE(VSD)
+      END_KV_SERIALIZE_MAP()
+    };
+
+    struct pr_serialized
+    {
+      uint64_t pr_version;
+      uint64_t height;
+      supply_data supply;
+      std::vector<asset_data> assets;
+      uint64_t timestamp;
+      std::string signature;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(pr_version)
+        KV_SERIALIZE(height)
+        KV_SERIALIZE(supply)
+        KV_SERIALIZE(assets)
+        KV_SERIALIZE(timestamp)
+        KV_SERIALIZE(signature)
+      END_KV_SERIALIZE_MAP()
+    };
+  }
+  
+  pricing_record::pricing_record() noexcept
+    : pr_version(0)
+    , height(0)
+    , supply()
+    , assets()
+    , timestamp(0)
+    , signature()
+  {
+  }
+
+  pricing_record::~pricing_record() noexcept
+  {
+  }
+  
+  bool supply_data::_load(epee::serialization::portable_storage& src, epee::serialization::section* hparent)
+  {
+    supply_data_serialized in{};
+    if (in._load(src, hparent))
+    {
+      // Copy everything into the local instance
+      sal = in.SAL;
+      vsd = in.VSD;
+      return true;
+    }
+    // Report error here?
+    return false;
+  }
+
+  bool supply_data::store(epee::serialization::portable_storage& dest, epee::serialization::section* hparent) const
+  {
+    const supply_data_serialized out{sal, vsd};
+    return out.store(dest, hparent);
+  }
+  
+  bool asset_data::_load(epee::serialization::portable_storage& src, epee::serialization::section* hparent)
+  {
+    asset_data_serialized in{};
+    if (in._load(src, hparent))
+    {
+      // Copy everything into the local instance
+      asset_type = in.asset_type;
+      spot_price = in.spot_price;
+      ma_price   = in.ma_price;
+      return true;
+    }
+    // Report error here?
+    return false;
+  }
+
+  bool asset_data::store(epee::serialization::portable_storage& dest, epee::serialization::section* hparent) const
+  {
+    const asset_data_serialized out{asset_type, spot_price, ma_price};
+    return out.store(dest, hparent);
+  }
+  
+  bool pricing_record::_load(epee::serialization::portable_storage& src, epee::serialization::section* hparent)
+  {
+    pr_serialized in{};
+    if (in._load(src, hparent))
+    {
+      // Copy everything into the local instance
+      pr_version = in.pr_version;
+      height = in.height;
+      supply = in.supply;
+      assets = in.assets;
+      timestamp = in.timestamp;
+
+      // Signature arrives in HEX format, but needs to be used in BINARY format - convert it here
+      signature.resize(0);
+      assert(in.signature.size()%2 == 0);
+      signature.reserve(in.signature.size() >> 1);
+      for (unsigned int i = 0; i < in.signature.size(); i += 2) {
+        std::string byteString = in.signature.substr(i, 2);
+        signature.emplace_back((uint8_t)strtol(byteString.c_str(), NULL, 16));
+      }
+      return true;
+    }
+
+    // Report error here?
+    return false;
+  }
+
+  bool pricing_record::store(epee::serialization::portable_storage& dest, epee::serialization::section* hparent) const
+  {
+    std::string sig_hex;
+    for (size_t i=0; i<signature.size(); ++i) {
+      std::stringstream ss;
+      ss << std::hex << std::setw(2) << std::setfill('0') << (0xff & signature.at(i));
+      sig_hex += ss.str();
+    }
+    const pr_serialized out{pr_version, height, supply, assets, timestamp, sig_hex};
+    return out.store(dest, hparent);
+  }
+  
+  pricing_record::pricing_record(const pricing_record& orig) noexcept
+    : pr_version(orig.pr_version)
+    , height(orig.height)
+    , supply(orig.supply)
+    , assets(orig.assets)
+    , timestamp(orig.timestamp)
+    , signature(orig.signature)
+  {
+  }
+
+  pricing_record& pricing_record::operator=(const pricing_record& orig) noexcept
+  {
+    pr_version = orig.pr_version;
+    height = orig.height;
+    supply = orig.supply;
+    assets = orig.assets;
+    timestamp = orig.timestamp;
+    signature = orig.signature;
+    return *this;
+  }
+
+  uint64_t pricing_record::operator[](const std::string& asset_type) const
+  {
+    for (const auto& asset: assets) {
+      if (asset.asset_type != asset_type) continue;
+      return asset.spot_price;
+    }
+    return 0;
+  }
+  
+  bool pricing_record::equal(const pricing_record& other) const noexcept
+  {
+    return ((pr_version == other.pr_version) &&
+            (height == other.height) &&
+            (supply == other.supply) &&
+            (assets == other.assets) &&
+            (timestamp == other.timestamp) &&
+            (signature == other.signature));
+  }
+
+  bool pricing_record::empty() const noexcept
+  {
+    const pricing_record empty_pr = salvium_oracle::pricing_record();
+    return (*this).equal(empty_pr);
+  }
+
+  // overload for pr validation for block
+  bool pricing_record::valid(uint32_t hf_version, uint64_t bl_timestamp, uint64_t last_bl_timestamp) const 
+  {
+    if (this->empty())
+        return true;
+
+    // validate the timestmap
+    if (this->timestamp > bl_timestamp + PRICING_RECORD_VALID_TIME_DIFF_FROM_BLOCK) {
+      LOG_ERROR("Pricing record timestamp is too far in the future.");
+      return false;
+    }
+
+    if (this->timestamp <= last_bl_timestamp) {
+      LOG_ERROR("Pricing record timestamp: " << this->timestamp << ", block timestamp: " << bl_timestamp);
+      LOG_ERROR("Pricing record timestamp is too old.");
+      return false;
+    }
+
+    return true;
+  }
+}

src/salvium_oracle/pricing_record.h

@@ -0,0 +1,138 @@
+// Copyright (c) 2019, Haven Protocol
+// 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.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+//
+// Portions of this code based upon code Copyright (c) 2019, The Monero Project
+
+#pragma once
+#include "common/pod-class.h"
+
+#include <openssl/bio.h>
+#include <openssl/crypto.h>
+#include <openssl/ecdsa.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/pem.h>
+#include <openssl/rsa.h>
+#include <openssl/ssl.h>
+
+#include <cstdint>
+#include <string>
+#include <cstring>
+
+#include "cryptonote_config.h"
+#include "crypto/hash.h"
+
+namespace epee
+{
+  namespace serialization
+  {
+    class portable_storage;
+    struct section;
+  }
+}
+
+namespace salvium_oracle
+{
+  #pragma pack(push, 1)
+  POD_CLASS pricing_record_pre {
+    uint64_t pr_version;
+    uint64_t price;
+    uint64_t timestamp;
+  };
+  #pragma pack(pop)
+
+  struct supply_data {
+    uint64_t sal;
+    uint64_t vsd;
+
+    //! Load from epee p2p format
+    bool _load(epee::serialization::portable_storage& src, epee::serialization::section* hparent);
+    //! Store in epee p2p format
+    bool store(epee::serialization::portable_storage& dest, epee::serialization::section* hparent) const;
+  };
+
+  inline bool operator==(const supply_data& a, const supply_data& b) noexcept
+  {
+    return (a.sal == b.sal &&
+            a.vsd == b.vsd);
+  }
+  
+  struct asset_data {
+    std::string asset_type;
+    uint64_t spot_price;
+    uint64_t ma_price;
+
+    //! Load from epee p2p format
+    bool _load(epee::serialization::portable_storage& src, epee::serialization::section* hparent);
+    //! Store in epee p2p format
+    bool store(epee::serialization::portable_storage& dest, epee::serialization::section* hparent) const;
+  };
+  
+  inline bool operator==(const asset_data& a, const asset_data& b) noexcept
+  {
+    return (a.asset_type == b.asset_type &&
+            a.spot_price == b.spot_price &&
+            a.ma_price == b.ma_price);
+  }
+
+  struct pricing_record
+  {
+    // Fields 
+    uint64_t pr_version;
+    uint64_t height;
+    supply_data supply; 
+    std::vector<asset_data> assets;
+    uint64_t timestamp;
+    std::vector<uint8_t> signature;
+
+    // Default c'tor
+    pricing_record() noexcept;
+    //! Load from epee p2p format
+    bool _load(epee::serialization::portable_storage& src, epee::serialization::section* hparent);
+    //! Store in epee p2p format
+    bool store(epee::serialization::portable_storage& dest, epee::serialization::section* hparent) const;
+    pricing_record(const pricing_record& orig) noexcept;
+    ~pricing_record() noexcept;
+    bool equal(const pricing_record& other) const noexcept;
+    bool empty() const noexcept;
+    bool valid(uint32_t hf_version, uint64_t bl_timestamp, uint64_t last_bl_timestamp) const;
+
+    pricing_record& operator=(const pricing_record& orig) noexcept;
+    uint64_t operator[](const std::string& asset_type) const;
+  };
+
+  inline bool operator==(const pricing_record& a, const pricing_record& b) noexcept
+  {
+   return a.equal(b);
+  }
+  
+  inline bool operator!=(const pricing_record& a, const pricing_record& b) noexcept
+  {
+   return !a.equal(b);
+  }
+
+} // salvium_oracle

src/serialization/salvium_pricing_record.h

@@ -0,0 +1,168 @@
+// Copyright (c) 2019, Haven Protocol
+// 
+// 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.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+// 
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+#pragma once
+
+#include <vector>
+
+#include "serialization.h"
+#include "salvium_oracle/pricing_record.h"
+#include "cryptonote_config.h"
+
+// read
+template <template <bool> class Archive>
+bool do_serialize(Archive<false> &ar, salvium_oracle::supply_data &sd, uint8_t version)
+{
+  ar.serialize_varint(sd.sal);
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(sd.vsd);
+  if (!ar.good())
+    return false;
+  return true;
+}
+
+// write
+template <template <bool> class Archive>
+bool do_serialize(Archive<true> &ar, salvium_oracle::supply_data &sd, uint8_t version)
+{
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(sd.sal);
+  ar.serialize_varint(sd.vsd);
+  if (!ar.good())
+    return false;
+  return true;
+}
+
+// read
+template <template <bool> class Archive>
+bool do_serialize(Archive<false> &ar, salvium_oracle::asset_data &ad, uint8_t version)
+{
+  ar.serialize_string(ad.asset_type);
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(ad.spot_price);
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(ad.ma_price);
+  if (!ar.good())
+    return false;
+  return true;
+}
+
+// write
+template <template <bool> class Archive>
+bool do_serialize(Archive<true> &ar, salvium_oracle::asset_data &ad, uint8_t version)
+{
+  if (!ar.good())
+    return false;
+  ar.serialize_string(ad.asset_type);
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(ad.spot_price);
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(ad.ma_price);
+  if (!ar.good())
+    return false;
+  return true;
+}
+
+// read
+template <template <bool> class Archive>
+bool do_serialize(Archive<false> &ar, salvium_oracle::pricing_record &pr, uint8_t version)
+{
+  // very basic sanity checks
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(pr.pr_version);
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(pr.height);
+  if (!ar.good())
+    return false;
+  if (!do_serialize(ar, pr.supply, version))
+    return false;
+  /*
+  // The next line should never do anything, but better safe than sorry
+  pr.asset_data.empty();
+  size_t asset_count;
+  ar.begin_array(asset_count);
+  if (!ar.good())
+    return false;
+  for (size_t idx=0; idx<asset_count; idx++) {
+    if (idx > 0) ar.delimit_array();
+    asset_data ad;
+    if (!do_serialize(ar, ad, version))
+      return false;
+    pr.asset_data.emplace_back(ad);
+  }
+  ar.end_array();
+  */
+  if (!do_serialize_container(ar, pr.assets))
+    return false;
+  ar.serialize_varint(pr.timestamp);
+  if (!ar.good())
+    return false;
+  if (!do_serialize_container(ar, pr.signature))
+    return false;
+  return true;
+}
+
+// write
+template <template <bool> class Archive>
+bool do_serialize(Archive<true> &ar, salvium_oracle::pricing_record &pr, uint8_t version)
+{
+  // very basic sanity checks
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(pr.pr_version);
+  if (!ar.good())
+    return false;
+  ar.serialize_varint(pr.height);
+  if (!ar.good())
+    return false;
+  if (!do_serialize(ar, pr.supply, version))
+    return false;
+  if (!do_serialize_container(ar, pr.assets))
+    return false;
+  ar.serialize_varint(pr.timestamp);
+  if (!ar.good())
+    return false;
+  pr.signature.empty();
+  if (!do_serialize_container(ar, pr.signature))
+    return false;
+  return true;
+}
+
+//BLOB_SERIALIZER(salvium_oracle::supply_data);
+//BLOB_SERIALIZER(salvium_oracle::asset_data);
+BLOB_SERIALIZER(salvium_oracle::pricing_record);