Added SAL support

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cryptoforknote-util",
-  "version": "15.5.8",
+  "version": "15.5.9",
   "author": {
     "name": "LucasJones",
     "email": "lucasjonesdev@hotmail.co.uk"

src/salvium_oracle/pricing_record.cpp

@@ -223,82 +223,12 @@ namespace salvium_oracle
     return (*this).equal(empty_pr);
   }
 
-  bool pricing_record::verifySignature(const std::string& public_key) const
-  {
-    CHECK_AND_ASSERT_THROW_MES(!public_key.empty(), "Pricing record verification failed. NULL public key. PK Size: " << public_key.size());
-
-    // extract the key
-    EVP_PKEY* pubkey;
-    BIO* bio = BIO_new_mem_buf(public_key.c_str(), public_key.size());
-    if (!bio) {
-      return false;
-    }
-    pubkey = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL);
-    BIO_free(bio);
-    CHECK_AND_ASSERT_THROW_MES(pubkey != NULL, "Pricing record verification failed. NULL public key.");
-
-    // Build the JSON string, so that we can verify the signature
-    std::ostringstream oss;
-    oss << "{\"pr_version\":" << pr_version;
-    oss << ",\"height\":" << height;
-    oss << ",\"supply\":{\"SAL\":" << supply.sal <<",\"VSD\":" << supply.vsd << "}";
-    oss << ",\"assets\":[";
-    bool first = true;
-    for (const auto& asset: assets) {
-      if (first)
-        first=false;
-      else
-        oss << ",";
-      oss << "{\"asset_type\":\"" << asset.asset_type << "\",\"spot_price\":" << asset.spot_price << ",\"ma_price\":" << asset.ma_price << "}";
-    }
-    oss << "]";
-    oss << ",\"timestamp\":" << timestamp;
-    oss << "}";
-    std::string message = oss.str();
-
-    // Create a verify digest from the message
-    EVP_MD_CTX *ctx = EVP_MD_CTX_create();
-    int ret = 0;
-    if (ctx) {
-      ret = EVP_DigestVerifyInit(ctx, NULL, EVP_sha256(), NULL, pubkey);
-      if (ret == 1) {
-        ret = EVP_DigestVerifyUpdate(ctx, message.data(), message.length());
-        if (ret == 1) {
-          ret = EVP_DigestVerifyFinal(ctx, (const unsigned char *)signature.data(), signature.size());
-        }
-      }
-    }
-
-    // Cleanup the context we created
-    EVP_MD_CTX_destroy(ctx);
-    // Cleanup the openssl stuff
-    EVP_PKEY_free(pubkey);
-
-    if (ret == 1)
-      return true;
-
-    // Get the errors from OpenSSL
-    ERR_print_errors_fp (stderr);
-
-    return false;
-  }
-
   // overload for pr validation for block
-  bool pricing_record::valid(cryptonote::network_type nettype, uint32_t hf_version, uint64_t bl_timestamp, uint64_t last_bl_timestamp) const 
+  bool pricing_record::valid(uint32_t hf_version, uint64_t bl_timestamp, uint64_t last_bl_timestamp) const 
   {
-    if (hf_version < HF_VERSION_SLIPPAGE_YIELD) {
-      if (!this->empty())
-        return false;
-    }
-
     if (this->empty())
         return true;
 
-    if (!verifySignature(get_config(nettype).ORACLE_PUBLIC_KEY)) {
-      LOG_ERROR("Invalid pricing record signature.");
-      return false;
-    }
-
     // 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.");

src/salvium_oracle/pricing_record.h

@@ -73,11 +73,6 @@ namespace salvium_oracle
     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;
-
-    BEGIN_SERIALIZE_OBJECT()
-      VARINT_FIELD(sal)
-      VARINT_FIELD(vsd)
-    END_SERIALIZE()
   };
 
   inline bool operator==(const supply_data& a, const supply_data& b) noexcept
@@ -95,12 +90,6 @@ namespace salvium_oracle
     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;
-
-    BEGIN_SERIALIZE_OBJECT()
-      FIELD(asset_type)
-      VARINT_FIELD(spot_price)
-      VARINT_FIELD(ma_price)
-    END_SERIALIZE()
   };
   
   inline bool operator==(const asset_data& a, const asset_data& b) noexcept
@@ -130,20 +119,10 @@ namespace salvium_oracle
     ~pricing_record() noexcept;
     bool equal(const pricing_record& other) const noexcept;
     bool empty() const noexcept;
-    bool verifySignature(const std::string& public_key) const;
+    bool valid(uint32_t hf_version, uint64_t bl_timestamp, uint64_t last_bl_timestamp) const;
-    bool valid(cryptonote::network_type nettype, 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;
-
-    BEGIN_SERIALIZE_OBJECT()
-      VARINT_FIELD(pr_version)
-      VARINT_FIELD(height)
-      FIELD(supply)
-      FIELD(assets)
-      VARINT_FIELD(timestamp)
-      FIELD(signature)
-    END_SERIALIZE()
   };
 
   inline bool operator==(const pricing_record& a, const pricing_record& b) noexcept

src/serialization/salvium_pricing_record.h

@@ -165,4 +165,4 @@ bool do_serialize(Archive<true> &ar, salvium_oracle::pricing_record &pr, uint8_t
 
 //BLOB_SERIALIZER(salvium_oracle::supply_data);
 //BLOB_SERIALIZER(salvium_oracle::asset_data);
-//BLOB_SERIALIZER(salvium_oracle::pricing_record);
+BLOB_SERIALIZER(salvium_oracle::pricing_record);