Merge branch 'feature/son-for-ethereum' into feature/420-ethereum-unit-tests

2) get_gas_price
3) get_gas_limit

Dockerfile

@@ -19,7 +19,7 @@ RUN \
       expect \
       git \
       graphviz \
-      libboost1.67-all-dev \
+      libboost-all-dev \
       libbz2-dev \
       libcurl4-openssl-dev \
       libncurses-dev \

Dockerfile.18.04

@@ -58,9 +58,9 @@ EXPOSE 22
 WORKDIR /home/peerplays/
 
 RUN \
-    wget -c 'http://sourceforge.net/projects/boost/files/boost/1.67.0/boost_1_67_0.tar.bz2/download' -O boost_1_67_0.tar.bz2 && \
-    tar xjf boost_1_67_0.tar.bz2 && \
-    cd boost_1_67_0/ && \
+    wget -c 'https://boostorg.jfrog.io/artifactory/main/release/1.71.0/source/boost_1_71_0.tar.bz2' -O boost_1_71_0.tar.bz2 && \
+    tar xjf boost_1_71_0.tar.bz2 && \
+    cd boost_1_71_0/ && \
     ./bootstrap.sh && \
     ./b2 install
 

README.md

@@ -84,9 +84,9 @@ sudo apt-get install \
 
 Install Boost libraries from source
 ```
-wget -c 'http://sourceforge.net/projects/boost/files/boost/1.67.0/boost_1_67_0.tar.bz2/download' -O boost_1_67_0.tar.bz2
-tar xjf boost_1_67_0.tar.bz2
-cd boost_1_67_0/
+wget -c 'https://boostorg.jfrog.io/artifactory/main/release/1.71.0/source/boost_1_71_0.tar.bz2' -O boost_1_71_0.tar.bz2
+tar xjf boost_1_71_0.tar.bz2
+cd boost_1_71_0/
 ./bootstrap.sh
 sudo ./b2 install
 ```

libraries/CMakeLists.txt

@@ -5,6 +5,7 @@ add_subdirectory( egenesis )
 add_subdirectory( fc )
 add_subdirectory( net )
 add_subdirectory( plugins )
+add_subdirectory( sha3 )
 add_subdirectory( time )
 add_subdirectory( utilities )
 add_subdirectory( wallet )

libraries/chain/db_maint.cpp

@@ -1963,7 +1963,7 @@ void database::perform_son_tasks()
                               asset_issuer_permission_flags::override_authority;
             a.options.core_exchange_rate.base.amount = 100000;
             a.options.core_exchange_rate.base.asset_id = asset_id_type(0);
-            a.options.core_exchange_rate.quote.amount = 2500; // CoinMarketCap approx value
+            a.options.core_exchange_rate.quote.amount = 2500;
             a.options.core_exchange_rate.quote.asset_id = a.id;
             a.options.whitelist_authorities.clear(); // accounts allowed to use asset, if not empty
             a.options.blacklist_authorities.clear(); // accounts who can blacklist other accounts to use asset, if white_list flag is set
@@ -1977,6 +1977,40 @@ void database::perform_son_tasks()
                gpo.pending_parameters->extensions.value.btc_asset = btc_asset.get_id();
       });
    }
+   // create ETH asset here because son_account is the issuer of the ETH
+   if (gpo.parameters.eth_asset() == asset_id_type()  && head_block_time() >= HARDFORK_SON_FOR_ETHEREUM_TIME)
+   {
+      const asset_dynamic_data_object& dyn_asset =
+         create<asset_dynamic_data_object>([](asset_dynamic_data_object& a) {
+            a.current_supply = 0;
+         });
+
+      const asset_object& eth_asset =
+         create<asset_object>( [&gpo, &dyn_asset]( asset_object& a ) {
+            a.symbol = "ETH";
+            a.precision = 8;
+            a.issuer = gpo.parameters.son_account();
+            a.options.max_supply = GRAPHENE_MAX_SHARE_SUPPLY;
+            a.options.market_fee_percent = 500; // 5%
+            a.options.issuer_permissions = UIA_ASSET_ISSUER_PERMISSION_MASK;
+            a.options.flags = asset_issuer_permission_flags::charge_market_fee |
+                              asset_issuer_permission_flags::override_authority;
+            a.options.core_exchange_rate.base.amount = 100000;
+            a.options.core_exchange_rate.base.asset_id = asset_id_type(0);
+            a.options.core_exchange_rate.quote.amount = 2500;
+            a.options.core_exchange_rate.quote.asset_id = a.id;
+            a.options.whitelist_authorities.clear(); // accounts allowed to use asset, if not empty
+            a.options.blacklist_authorities.clear(); // accounts who can blacklist other accounts to use asset, if white_list flag is set
+            a.options.whitelist_markets.clear(); // might be traded with
+            a.options.blacklist_markets.clear(); // might not be traded with
+            a.dynamic_asset_data_id = dyn_asset.id;
+         });
+      modify( gpo, [&eth_asset]( global_property_object& gpo ) {
+            gpo.parameters.extensions.value.eth_asset = eth_asset.get_id();
+            if( gpo.pending_parameters )
+               gpo.pending_parameters->extensions.value.eth_asset = eth_asset.get_id();
+      });
+   }
    // create HBD asset here because son_account is the issuer of the HBD
    if (gpo.parameters.hbd_asset() == asset_id_type()  && head_block_time() >= HARDFORK_SON_FOR_HIVE_TIME)
    {
@@ -1997,7 +2031,7 @@ void database::perform_son_tasks()
                               asset_issuer_permission_flags::override_authority;
             a.options.core_exchange_rate.base.amount = 100000;
             a.options.core_exchange_rate.base.asset_id = asset_id_type(0);
-            a.options.core_exchange_rate.quote.amount = 2500; // CoinMarketCap approx value
+            a.options.core_exchange_rate.quote.amount = 2500;
             a.options.core_exchange_rate.quote.asset_id = a.id;
             a.options.whitelist_authorities.clear(); // accounts allowed to use asset, if not empty
             a.options.blacklist_authorities.clear(); // accounts who can blacklist other accounts to use asset, if white_list flag is set
@@ -2031,7 +2065,7 @@ void database::perform_son_tasks()
                               asset_issuer_permission_flags::override_authority;
             a.options.core_exchange_rate.base.amount = 100000;
             a.options.core_exchange_rate.base.asset_id = asset_id_type(0);
-            a.options.core_exchange_rate.quote.amount = 2500; // CoinMarketCap approx value
+            a.options.core_exchange_rate.quote.amount = 2500;
             a.options.core_exchange_rate.quote.asset_id = a.id;
             a.options.whitelist_authorities.clear(); // accounts allowed to use asset, if not empty
             a.options.blacklist_authorities.clear(); // accounts who can blacklist other accounts to use asset, if white_list flag is set
@@ -2297,14 +2331,17 @@ void database::perform_chain_maintenance(const signed_block& next_block, const g
             p.pending_parameters->extensions.value.hbd_asset = p.parameters.extensions.value.hbd_asset;
          if( !p.pending_parameters->extensions.value.hive_asset.valid() )
             p.pending_parameters->extensions.value.hive_asset = p.parameters.extensions.value.hive_asset;
+         if( !p.pending_parameters->extensions.value.eth_asset.valid() )
+            p.pending_parameters->extensions.value.eth_asset = p.parameters.extensions.value.eth_asset;
 
          // the following parameters are not allowed to be changed. So take what is in global property
-         p.pending_parameters->extensions.value.hive_asset = p.parameters.extensions.value.hive_asset;
-         p.pending_parameters->extensions.value.hbd_asset = p.parameters.extensions.value.hbd_asset;
-         p.pending_parameters->extensions.value.maximum_son_count = p.parameters.extensions.value.maximum_son_count;
-         p.pending_parameters->extensions.value.btc_asset = p.parameters.extensions.value.btc_asset;
-         p.pending_parameters->extensions.value.son_account = p.parameters.extensions.value.son_account;
          p.pending_parameters->extensions.value.gpos_period_start = p.parameters.extensions.value.gpos_period_start;
+         p.pending_parameters->extensions.value.son_account = p.parameters.extensions.value.son_account;
+         p.pending_parameters->extensions.value.btc_asset = p.parameters.extensions.value.btc_asset;
+         p.pending_parameters->extensions.value.maximum_son_count = p.parameters.extensions.value.maximum_son_count;
+         p.pending_parameters->extensions.value.hbd_asset = p.parameters.extensions.value.hbd_asset;
+         p.pending_parameters->extensions.value.hive_asset = p.parameters.extensions.value.hive_asset;
+         p.pending_parameters->extensions.value.eth_asset = p.parameters.extensions.value.eth_asset;
 
          p.parameters = std::move(*p.pending_parameters);
          p.pending_parameters.reset();

libraries/chain/hardfork.d/SON_FOR_ETHEREUM.hf

@@ -0,0 +1,7 @@
+#ifndef HARDFORK_SON_FOR_ETHEREUM_TIME
+#ifdef BUILD_PEERPLAYS_TESTNET
+#define HARDFORK_SON_FOR_ETHEREUM_TIME (fc::time_point_sec::from_iso_string("2022-07-01T00:00:00"))
+#else
+#define HARDFORK_SON_FOR_ETHEREUM_TIME (fc::time_point_sec::from_iso_string("2022-07-01T00:00:00"))
+#endif
+#endif

libraries/chain/include/graphene/chain/protocol/chain_parameters.hpp

@@ -70,6 +70,7 @@ namespace graphene { namespace chain {
       optional < uint16_t >           maximum_son_count                 = GRAPHENE_DEFAULT_MAX_SONS; ///< maximum number of active SONS
       optional < asset_id_type >      hbd_asset                         = asset_id_type();
       optional < asset_id_type >      hive_asset                        = asset_id_type();
+      optional < asset_id_type >      eth_asset                         = asset_id_type();
    };
 
    struct chain_parameters
@@ -220,6 +221,9 @@ namespace graphene { namespace chain {
       inline asset_id_type hive_asset() const {
          return extensions.value.hive_asset.valid() ? *extensions.value.hive_asset : asset_id_type();
       }
+      inline asset_id_type eth_asset() const {
+         return extensions.value.eth_asset.valid() ? *extensions.value.eth_asset : asset_id_type();
+      }
       private:
       static void safe_copy(chain_parameters& to, const chain_parameters& from);
    };
@@ -257,6 +261,7 @@ FC_REFLECT( graphene::chain::parameter_extension,
    (maximum_son_count)
    (hbd_asset)
    (hive_asset)
+   (eth_asset)
 )
 
 FC_REFLECT( graphene::chain::chain_parameters,

libraries/plugins/peerplays_sidechain/CMakeLists.txt

@@ -6,6 +6,7 @@ add_library( peerplays_sidechain
              sidechain_net_manager.cpp
              sidechain_net_handler.cpp
              sidechain_net_handler_bitcoin.cpp
+             sidechain_net_handler_ethereum.cpp
              sidechain_net_handler_hive.cpp
              sidechain_net_handler_peerplays.cpp
              bitcoin/bech32.cpp
@@ -17,6 +18,11 @@ add_library( peerplays_sidechain
              bitcoin/sign_bitcoin_transaction.cpp
              common/rpc_client.cpp
              common/utils.cpp
+             ethereum/encoders.cpp
+             ethereum/decoders.cpp
+             ethereum/transaction.cpp
+             ethereum/types.cpp
+             ethereum/utils.cpp
              hive/asset.cpp
              hive/operations.cpp
              hive/transaction.cpp
@@ -36,7 +42,7 @@ endif()
 unset(ENABLE_PEERPLAYS_ASSET_DEPOSITS)
 unset(ENABLE_PEERPLAYS_ASSET_DEPOSITS CACHE)
 
-target_link_libraries( peerplays_sidechain PRIVATE curl graphene_plugin zmq )
+target_link_libraries( peerplays_sidechain PRIVATE graphene_plugin sha3 zmq )
 target_include_directories( peerplays_sidechain
                             PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include" )
 

libraries/plugins/peerplays_sidechain/bitcoin/sign_bitcoin_transaction.cpp

@@ -76,14 +76,14 @@ bool verify_sig(const bytes &sig, const bytes &pubkey, const bytes &msg, const s
    //! Get sig_temp
    FC_ASSERT(sig.size() > 70);
    FC_ASSERT(sig[0] == 0x30);
-   FC_ASSERT(sig[1] == static_cast<char>(sig.size()-3));
+   FC_ASSERT(sig[1] == static_cast<char>(sig.size() - 3));
    FC_ASSERT(sig[2] == 0x02);
    const uint r_size = sig[3];
-   std::vector<unsigned char> sig_temp(sig.begin()+4+(r_size-32), sig.begin()+4+r_size);
-   FC_ASSERT(sig[4+r_size] == 0x02);
-   const uint s_size = sig[5+r_size];
-   FC_ASSERT(sig.size() == r_size+s_size+7);
-   sig_temp.insert(sig_temp.end(), sig.begin()+6+r_size, sig.end());
+   std::vector<unsigned char> sig_temp(sig.begin() + 4 + (r_size - 32), sig.begin() + 4 + r_size);
+   FC_ASSERT(sig[4 + r_size] == 0x02);
+   const uint s_size = sig[5 + r_size];
+   FC_ASSERT(sig.size() == r_size + s_size + 7);
+   sig_temp.insert(sig_temp.end(), sig.begin() + 6 + r_size, sig.end());
 
    std::vector<unsigned char> pubkey_temp(pubkey.begin(), pubkey.end());
    std::vector<unsigned char> msg_temp(msg.begin(), msg.end());

libraries/plugins/peerplays_sidechain/common/rpc_client.cpp

@@ -2,23 +2,20 @@
 
 #include <regex>
 #include <sstream>
-#include <string>
-
-#include <boost/property_tree/json_parser.hpp>
-#include <boost/property_tree/ptree.hpp>
-#include <boost/xpressive/xpressive.hpp>
 
 #include <boost/asio/buffers_iterator.hpp>
 #include <boost/asio/connect.hpp>
 #include <boost/asio/ssl/error.hpp>
 #include <boost/asio/ssl/stream.hpp>
 #include <boost/beast/http.hpp>
+#include <boost/property_tree/json_parser.hpp>
+#include <boost/property_tree/ptree.hpp>
+#include <boost/xpressive/xpressive.hpp>
 
-#include <curl/curl.h>
-
-#include <fc/crypto/base64.hpp>
 #include <fc/log/logger.hpp>
 
+#include <graphene/peerplays_sidechain/common/utils.hpp>
+
 namespace graphene { namespace peerplays_sidechain {
 
 rpc_client::rpc_client(std::string _url, std::string _user, std::string _password, bool _debug_rpc_calls) :
@@ -55,7 +52,8 @@ rpc_client::rpc_client(std::string _url, std::string _user, std::string _passwor
          target = "/";
       }
 
-      authorization = "Basic " + fc::base64_encode(user + ":" + password);
+      authorization = "Basic " + base64_encode(user + ":" + password);
+
       results = resolver.resolve(host, port);
 
    } else {

libraries/plugins/peerplays_sidechain/common/utils.cpp

@@ -1,8 +1,51 @@
 #include <graphene/peerplays_sidechain/common/utils.hpp>
 
+#include <boost/archive/iterators/base64_from_binary.hpp>
+#include <boost/archive/iterators/binary_from_base64.hpp>
+//#include <boost/archive/iterators/ostream_iterator.hpp>
+#include <boost/archive/iterators/transform_width.hpp>
+
+namespace graphene { namespace peerplays_sidechain {
+
+const std::string base64_padding[] = {"", "==", "="};
+
+std::string base64_encode(const std::string &s) {
+   using namespace boost::archive::iterators;
+
+   typedef base64_from_binary<transform_width<const char *, 6, 8>> base64_enc;
+
+   std::stringstream os;
+   std::copy(base64_enc(s.c_str()), base64_enc(s.c_str() + s.size()), std::ostream_iterator<char>(os));
+   os << base64_padding[s.size() % 3];
+
+   return os.str();
+}
+
+std::string base64_decode(const std::string &s) {
+   using namespace boost::archive::iterators;
+
+   typedef transform_width<binary_from_base64<const char *>, 8, 6> base64_dec;
+
+   std::stringstream os;
+   unsigned int size = s.size();
+   if (size && s[size - 1] == '=') {
+      --size;
+      if (size && s[size - 1] == '=')
+         --size;
+   }
+   if (size == 0)
+      return std::string();
+
+   std::copy(base64_dec(s.data()), base64_dec(s.data() + size), std::ostream_iterator<char>(os));
+
+   return os.str();
+}
+
 std::string object_id_to_string(graphene::chain::object_id_type id) {
    std::string object_id = fc::to_string(id.space()) + "." +
                            fc::to_string(id.type()) + "." +
                            fc::to_string(id.instance());
    return object_id;
 }
+
+}} // namespace graphene::peerplays_sidechain

libraries/plugins/peerplays_sidechain/ethereum/decoders.cpp

@@ -0,0 +1,224 @@
+#include <graphene/peerplays_sidechain/ethereum/decoders.hpp>
+
+#include <fc/exception/exception.hpp>
+#include <graphene/peerplays_sidechain/ethereum/utils.hpp>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+//! rlp_decoder
+
+namespace {
+const signed char p_util_hexdigit[256] =
+      {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1,
+       -1, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
+}
+
+std::vector<std::string> rlp_decoder::decode(const std::string &str) {
+   size_t consumed = 0;
+   const auto raw_vec = parse_hex(str);
+   const std::vector<std::string> rlp_array = decode_rlp(raw_vec.data(), raw_vec.size(), consumed);
+   std::vector<std::string> result_array;
+   for (const auto &rlp : decode_rlp(raw_vec.data(), raw_vec.size(), consumed)) {
+      result_array.emplace_back(bytes2hex(rlp));
+   }
+   return result_array;
+}
+
+std::vector<std::string> rlp_decoder::decode_rlp(const unsigned char *raw, size_t len, size_t &consumed) {
+   std::vector<std::string> rlp_result;
+
+   consumed = 0;
+
+   const unsigned char *end = raw + len;
+   const size_t prefixlen = 1;
+   unsigned char ch = *raw;
+
+   if (len < 1) {
+      return rlp_result;
+   }
+
+   // Case 1: [prefix is 1-byte data buffer]
+   if (ch <= 0x7f) {
+      const unsigned char *tok_start = raw;
+      const unsigned char *tok_end = tok_start + prefixlen;
+      FC_ASSERT(tok_end <= end);
+
+      // parsing done; assign data buffer value.
+      const std::vector<unsigned char> buf{tok_start, tok_end};
+      rlp_result.emplace_back(buf.cbegin(), buf.cend());
+
+      consumed = buf.size();
+   }
+   // Case 2: [prefix, including buffer length][data]
+   else if ((ch >= 0x80) && (ch <= 0xb7)) {
+      const size_t blen = ch - 0x80;
+      const size_t expected = prefixlen + blen;
+
+      if (len < expected)
+         return std::vector<std::string>{};
+
+      const unsigned char *tok_start = raw + 1;
+      const unsigned char *tok_end = tok_start + blen;
+      FC_ASSERT(tok_end <= end);
+
+      // require minimal encoding
+      if ((blen == 1) && (tok_start[0] <= 0x7f))
+         return std::vector<std::string>{};
+
+      // parsing done; assign data buffer value.
+      const std::vector<unsigned char> buf{tok_start, tok_end};
+      rlp_result.emplace_back(buf.cbegin(), buf.cend());
+
+      consumed = expected;
+   }
+   // Case 3: [prefix][buffer length][data]
+   else if ((ch >= 0xb8) && (ch <= 0xbf)) {
+      const size_t uintlen = ch - 0xb7;
+      size_t expected = prefixlen + uintlen;
+
+      if (len < expected)
+         return std::vector<std::string>{};
+
+      FC_ASSERT(uintlen > 0 && uintlen <= RLP_maxUintLen);
+
+      const unsigned char *tok_start = raw + prefixlen;
+      if ((uintlen > 1) && (tok_start[0] == 0)) // no leading zeroes
+         return std::vector<std::string>{};
+
+      // read buffer length
+      const uint64_t slen = to_int(tok_start, uintlen);
+
+      // validate buffer length, including possible addition overflows.
+      expected = prefixlen + uintlen + slen;
+      if ((slen < (RLP_listStart - RLP_bufferLenStart - RLP_maxUintLen)) || (expected > len) || (slen > len))
+         return std::vector<std::string>{};
+
+      // parsing done; assign data buffer value.
+      tok_start = raw + prefixlen + uintlen;
+      const unsigned char *tok_end = tok_start + slen;
+      const std::vector<unsigned char> buf{tok_start, tok_end};
+      rlp_result.emplace_back(buf.cbegin(), buf.cend());
+
+      consumed = expected;
+   }
+   // Case 4: [prefix][list]
+   else if ((ch >= 0xc0) && (ch <= 0xf7)) {
+      const size_t payloadlen = ch - 0xc0;
+      const size_t expected = prefixlen + payloadlen;
+
+      // read list payload
+      const auto array = decode_array(raw, len, 0, payloadlen);
+      rlp_result.insert(rlp_result.end(), array.cbegin(), array.cend());
+
+      consumed = expected;
+   }
+   // Case 5: [prefix][list length][list]
+   else {
+      FC_ASSERT((ch >= 0xf8) && (ch <= 0xff));
+
+      const size_t uintlen = ch - 0xf7;
+      const size_t expected = prefixlen + uintlen;
+
+      if (len < expected)
+         return std::vector<std::string>{};
+
+      FC_ASSERT(uintlen > 0 && uintlen <= RLP_maxUintLen);
+
+      const unsigned char *tok_start = raw + prefixlen;
+      if ((uintlen > 1) && (tok_start[0] == 0)) // no leading zeroes
+         return std::vector<std::string>{};
+
+      // read list length
+      const size_t payloadlen = to_int(tok_start, uintlen);
+
+      // special requirement for non-immediate length
+      if (payloadlen < (0x100 - RLP_listStart - RLP_maxUintLen))
+         return std::vector<std::string>{};
+
+      // read list payload
+      const auto array = decode_array(raw, len, uintlen, payloadlen);
+      rlp_result.insert(rlp_result.end(), array.cbegin(), array.cend());
+
+      consumed = prefixlen + uintlen + payloadlen;
+   }
+
+   return rlp_result;
+}
+
+std::vector<std::string> rlp_decoder::decode_array(const unsigned char *raw, size_t len, size_t uintlen, size_t payloadlen) {
+   std::vector<std::string> rlp_result;
+   const size_t prefixlen = 1;
+
+   // validate list length, including possible addition overflows.
+   const size_t expected = prefixlen + uintlen + payloadlen;
+   if ((expected > len) || (payloadlen > len))
+      return std::vector<std::string>{};
+
+   size_t child_len = payloadlen;
+   const unsigned char *list_ent = raw + prefixlen + uintlen;
+
+   // recursively read until payloadlen bytes parsed, or error
+   while (child_len > 0) {
+      size_t child_consumed = 0;
+
+      const auto val = decode_rlp(list_ent, child_len, child_consumed);
+      rlp_result.insert(rlp_result.end(), val.cbegin(), val.cend());
+
+      list_ent += child_consumed;
+      child_len -= child_consumed;
+   }
+
+   return rlp_result;
+}
+
+uint64_t rlp_decoder::to_int(const unsigned char *raw, size_t len) {
+   if (len == 0)
+      return 0;
+   else if (len == 1)
+      return *raw;
+   else
+      return (raw[len - 1]) + (to_int(raw, len - 1) * 256);
+}
+
+std::vector<unsigned char> rlp_decoder::parse_hex(const std::string &str) {
+   return parse_hex(str.c_str());
+}
+
+std::vector<unsigned char> rlp_decoder::parse_hex(const char *psz) {
+   // convert hex dump to vector
+   std::vector<unsigned char> vch;
+   while (true) {
+      while (isspace(*psz))
+         psz++;
+      signed char c = hex_digit(*psz++);
+      if (c == (signed char)-1)
+         break;
+      unsigned char n = (c << 4);
+      c = hex_digit(*psz++);
+      if (c == (signed char)-1)
+         break;
+      n |= c;
+      vch.push_back(n);
+   }
+   return vch;
+}
+
+signed char rlp_decoder::hex_digit(char c) {
+   return p_util_hexdigit[(unsigned char)c];
+}
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/ethereum/encoders.cpp

@@ -0,0 +1,102 @@
+#include <graphene/peerplays_sidechain/ethereum/encoders.hpp>
+
+#include <boost/algorithm/hex.hpp>
+#include <boost/format.hpp>
+#include <stdlib.h>
+
+#include <graphene/peerplays_sidechain/ethereum/utils.hpp>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+//! base_encoder
+std::string base_encoder::encode_uint256(boost::multiprecision::uint256_t value) {
+   return (boost::format("%x") % boost::io::group(std::setw(64), std::setfill('0'), value)).str();
+}
+
+std::string base_encoder::encode_address(const std::string &value) {
+   return (boost::format("%x") % boost::io::group(std::setw(64), std::setfill('0'), value)).str();
+}
+
+std::string base_encoder::encode_string(const std::string &value) {
+   std::string data = (boost::format("%x") % boost::io::group(std::setw(64), std::setfill('0'), value.size())).str();
+   data += boost::algorithm::hex(value) + std::string((64 - value.size() * 2 % 64), '0');
+   return data;
+}
+
+//! update_owners_encoder
+std::string update_owners_encoder::encode(const std::vector<std::pair<std::string, uint16_t>> &owners_weights, const std::string &object_id) const {
+   std::string data = "0x" + function_signature;
+   data += base_encoder::encode_uint256(64);
+   data += base_encoder::encode_uint256((owners_weights.size() * 2 + 3) * 32);
+   data += base_encoder::encode_uint256(owners_weights.size());
+   for (const auto &owner : owners_weights) {
+      data += base_encoder::encode_address(owner.first);
+      data += base_encoder::encode_uint256(owner.second);
+   }
+   data += base_encoder::encode_string(object_id);
+
+   return data;
+}
+
+//! withdrawal_encoder
+std::string withdrawal_encoder::encode(const std::string &to, boost::multiprecision::uint256_t amount, const std::string &object_id) const {
+   std::string data = "0x" + function_signature;
+   data += base_encoder::encode_address(to);
+   data += base_encoder::encode_uint256(amount);
+   data += base_encoder::encode_uint256(32 * 3);
+   data += base_encoder::encode_string(object_id);
+
+   return data;
+}
+
+//! rlp_encoder
+std::string rlp_encoder::encode(const std::string &s) {
+   return encode_rlp(hex2bytes(s));
+}
+
+std::string rlp_encoder::encode_length(int len, int offset) {
+   if (len < 56) {
+      std::string temp;
+      temp = (char)(len + offset);
+      return temp;
+   } else {
+      const std::string hexLength = to_hex(len);
+      const int lLength = hexLength.size() / 2;
+      const std::string fByte = to_hex(offset + 55 + lLength);
+      return hex2bytes(fByte + hexLength);
+   }
+}
+
+std::string rlp_encoder::hex2bytes(const std::string &s) {
+   std::string dest;
+   dest.resize(s.size() / 2);
+   hex2bin(s.c_str(), &dest[0]);
+   return dest;
+}
+
+std::string rlp_encoder::encode_rlp(const std::string &s) {
+   if (s.size() == 1 && (unsigned char)s[0] < 128)
+      return s;
+   else
+      return encode_length(s.size(), 128) + s;
+}
+
+int rlp_encoder::char2int(char input) {
+   if (input >= '0' && input <= '9')
+      return input - '0';
+   if (input >= 'A' && input <= 'F')
+      return input - 'A' + 10;
+   if (input >= 'a' && input <= 'f')
+      return input - 'a' + 10;
+
+   return -1;
+}
+
+void rlp_encoder::hex2bin(const char *src, char *target) {
+   while (*src && src[1]) {
+      *(target++) = char2int(*src) * 16 + char2int(src[1]);
+      src += 2;
+   }
+}
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/ethereum/transaction.cpp

@@ -0,0 +1,229 @@
+#include <graphene/peerplays_sidechain/ethereum/transaction.hpp>
+
+#include <boost/algorithm/hex.hpp>
+#include <boost/algorithm/string.hpp>
+#include <boost/property_tree/json_parser.hpp>
+#include <boost/property_tree/ptree.hpp>
+
+#include <secp256k1_recovery.h>
+#include <sha3/sha3.h>
+
+#include <fc/crypto/elliptic.hpp>
+#include <fc/crypto/hex.hpp>
+
+#include <graphene/peerplays_sidechain/ethereum/decoders.hpp>
+#include <graphene/peerplays_sidechain/ethereum/encoders.hpp>
+#include <graphene/peerplays_sidechain/ethereum/utils.hpp>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+const secp256k1_context *eth_context() {
+   static secp256k1_context *ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY | SECP256K1_CONTEXT_SIGN);
+   return ctx;
+}
+
+//! transaction
+
+base_transaction::base_transaction(const std::string &raw_tx) {
+}
+
+//! transaction
+
+transaction::transaction(const std::string &raw_tx) :
+      base_transaction{raw_tx} {
+   deserialize(raw_tx);
+}
+
+const transaction &transaction::sign(const std::string &private_key) const {
+   return *this;
+}
+
+std::string transaction::serialize() const {
+   boost::property_tree::ptree pt;
+   pt.put("from", from);
+   pt.put("to", to);
+   pt.put("data", data);
+
+   std::stringstream ss;
+   boost::property_tree::json_parser::write_json(ss, pt);
+   return ss.str();
+}
+
+void transaction::deserialize(const std::string &raw_tx) {
+   std::stringstream ss_tx(raw_tx);
+   boost::property_tree::ptree tx_json;
+   boost::property_tree::read_json(ss_tx, tx_json);
+
+   if (tx_json.count("from"))
+      from = tx_json.get<std::string>("from");
+   if (tx_json.count("to"))
+      to = tx_json.get<std::string>("to");
+   if (tx_json.count("data"))
+      data = tx_json.get<std::string>("data");
+}
+
+//! raw_transaction
+
+raw_transaction::raw_transaction(const std::string &raw_tx) :
+      base_transaction{raw_tx} {
+   deserialize(raw_tx);
+}
+
+bytes raw_transaction::hash() const {
+   bytes hash;
+   hash.resize(32);
+   const auto transaction_string = boost::algorithm::unhex(remove_0x(serialize()));
+   keccak_256((const unsigned char *)transaction_string.data(), transaction_string.size(), (unsigned char *)hash.data());
+
+   return hash;
+}
+
+signed_transaction raw_transaction::sign(const std::string &private_key) const {
+   //! Prepare signed transaction
+   signed_transaction tr;
+   tr.nonce = nonce;
+   tr.gas_price = gas_price;
+   tr.gas_limit = gas_limit;
+   tr.to = to;
+   tr.value = value;
+   tr.data = data;
+
+   const bytes priv_key = parse_hex(private_key);
+
+   int recid = 0;
+   secp256k1_ecdsa_recoverable_signature sig;
+   FC_ASSERT(secp256k1_ecdsa_sign_recoverable(eth_context(), &sig, (const unsigned char *)hash().data(), (const unsigned char *)priv_key.data(), NULL, NULL));
+   fc::ecc::compact_signature result;
+   FC_ASSERT(secp256k1_ecdsa_recoverable_signature_serialize_compact(eth_context(), (unsigned char *)result.begin() + 1, &recid, &sig));
+
+   bytes r;
+   for (int i = 1; i < 33; i++)
+      r.emplace_back((char)result.at(i));
+
+   bytes v = bytes{char(recid + from_hex<int>(chain_id) * 2 + 35)};
+
+   bytes s;
+   for (int i = 33; i < 65; i++)
+      s.emplace_back((char)result.at(i));
+
+   tr.r = fc::to_hex((char *)&r[0], r.size());
+   tr.v = fc::to_hex((char *)&v[0], v.size());
+   tr.s = fc::to_hex((char *)&s[0], s.size());
+
+   return tr;
+}
+
+std::string raw_transaction::serialize() const {
+   const std::string serialized = rlp_encoder::encode(remove_0x(nonce)) +
+                                  rlp_encoder::encode(remove_0x(gas_price)) +
+                                  rlp_encoder::encode(remove_0x(gas_limit)) +
+                                  rlp_encoder::encode(remove_0x(to)) +
+                                  rlp_encoder::encode(remove_0x(value)) +
+                                  rlp_encoder::encode(remove_0x(data)) +
+                                  rlp_encoder::encode(remove_0x(chain_id)) +
+                                  rlp_encoder::encode("") +
+                                  rlp_encoder::encode("");
+
+   return add_0x(bytes2hex(rlp_encoder::encode_length(serialized.size(), 192) + serialized));
+}
+
+void raw_transaction::deserialize(const std::string &raw_tx) {
+   const auto rlp_array = rlp_decoder::decode(remove_0x(raw_tx));
+   FC_ASSERT(rlp_array.size() >= 7, "Wrong rlp format");
+
+   nonce = !rlp_array.at(0).empty() ? add_0x(rlp_array.at(0)) : add_0x("0");
+   boost::algorithm::to_lower(nonce);
+   gas_price = add_0x(rlp_array.at(1));
+   boost::algorithm::to_lower(gas_price);
+   gas_limit = add_0x(rlp_array.at(2));
+   boost::algorithm::to_lower(gas_limit);
+   to = add_0x(rlp_array.at(3));
+   boost::algorithm::to_lower(to);
+   value = !rlp_array.at(4).empty() ? add_0x(rlp_array.at(4)) : add_0x("0");
+   boost::algorithm::to_lower(value);
+   data = !rlp_array.at(5).empty() ? add_0x(rlp_array.at(5)) : "";
+   boost::algorithm::to_lower(data);
+   chain_id = add_0x(rlp_array.at(6));
+   boost::algorithm::to_lower(chain_id);
+}
+
+//! signed_transaction
+
+signed_transaction::signed_transaction(const std::string &raw_tx) :
+      base_transaction{raw_tx} {
+   deserialize(raw_tx);
+}
+
+std::string signed_transaction::recover(const std::string &chain_id) const {
+   fc::ecc::compact_signature input64;
+   fc::from_hex(r, (char *)&input64.at(1), 32);
+   fc::from_hex(v, (char *)&input64.at(0), 1);
+   int recid = input64.at(0) - from_hex<int>(chain_id) * 2 - 35;
+   fc::from_hex(s, (char *)&input64.at(33), 32);
+
+   secp256k1_ecdsa_recoverable_signature sig;
+   FC_ASSERT(secp256k1_ecdsa_recoverable_signature_parse_compact(eth_context(), &sig, (const unsigned char *)&input64.data[1], recid));
+
+   raw_transaction tr;
+   tr.nonce = nonce;
+   tr.gas_price = gas_price;
+   tr.gas_limit = gas_limit;
+   tr.to = to;
+   tr.value = value;
+   tr.data = data;
+   tr.chain_id = chain_id;
+
+   secp256k1_pubkey rawPubkey;
+   FC_ASSERT(secp256k1_ecdsa_recover(eth_context(), &rawPubkey, &sig, (const unsigned char *)tr.hash().data()));
+
+   std::array<uint8_t, 65> pubkey;
+   size_t biglen = 65;
+   FC_ASSERT(secp256k1_ec_pubkey_serialize(eth_context(), pubkey.data(), &biglen, &rawPubkey, SECP256K1_EC_UNCOMPRESSED));
+
+   const std::string out = std::string(pubkey.begin(), pubkey.end()).substr(1);
+   bytes hash;
+   hash.resize(32);
+   keccak_256((const unsigned char *)out.data(), out.size(), (unsigned char *)hash.data());
+
+   return add_0x(fc::to_hex((char *)&hash[0], hash.size()).substr(24));
+}
+
+std::string signed_transaction::serialize() const {
+   const std::string serialized = rlp_encoder::encode(remove_0x(nonce)) +
+                                  rlp_encoder::encode(remove_0x(gas_price)) +
+                                  rlp_encoder::encode(remove_0x(gas_limit)) +
+                                  rlp_encoder::encode(remove_0x(to)) +
+                                  rlp_encoder::encode(remove_0x(value)) +
+                                  rlp_encoder::encode(remove_0x(data)) +
+                                  rlp_encoder::encode(remove_0x(v)) +
+                                  rlp_encoder::encode(remove_0x(r)) +
+                                  rlp_encoder::encode(remove_0x(s));
+
+   return add_0x(bytes2hex(rlp_encoder::encode_length(serialized.size(), 192) + serialized));
+}
+
+void signed_transaction::deserialize(const std::string &raw_tx) {
+   const auto rlp_array = rlp_decoder::decode(remove_0x(raw_tx));
+   FC_ASSERT(rlp_array.size() >= 9, "Wrong rlp format");
+
+   nonce = !rlp_array.at(0).empty() ? add_0x(rlp_array.at(0)) : add_0x("0");
+   boost::algorithm::to_lower(nonce);
+   gas_price = add_0x(rlp_array.at(1));
+   boost::algorithm::to_lower(gas_price);
+   gas_limit = add_0x(rlp_array.at(2));
+   boost::algorithm::to_lower(gas_limit);
+   to = add_0x(rlp_array.at(3));
+   boost::algorithm::to_lower(to);
+   value = !rlp_array.at(4).empty() ? add_0x(rlp_array.at(4)) : add_0x("0");
+   boost::algorithm::to_lower(value);
+   data = !rlp_array.at(5).empty() ? add_0x(rlp_array.at(5)) : "";
+   boost::algorithm::to_lower(data);
+   v = add_0x(rlp_array.at(6));
+   boost::algorithm::to_lower(v);
+   r = add_0x(rlp_array.at(7));
+   boost::algorithm::to_lower(r);
+   s = add_0x(rlp_array.at(8));
+   boost::algorithm::to_lower(s);
+}
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/ethereum/types.cpp

@@ -0,0 +1,5 @@
+#include <graphene/peerplays_sidechain/ethereum/types.hpp>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/ethereum/utils.cpp

@@ -0,0 +1,52 @@
+#include <graphene/peerplays_sidechain/ethereum/utils.hpp>
+
+#include <fc/crypto/hex.hpp>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+bytes parse_hex(const std::string &str) {
+   bytes vec(str.size() / 2);
+   fc::from_hex(str, vec.data(), vec.size());
+   return vec;
+}
+
+std::string bytes2hex(const std::string &s) {
+   std::string dest;
+   for (const auto &i : s)
+      dest += uchar2Hex((unsigned char)i);
+
+   return dest;
+}
+
+std::string uchar2Hex(unsigned char n) {
+   std::string dest;
+   dest.resize(2);
+   sprintf(&dest[0], "%X", n);
+
+   if (n < (unsigned char)16) {
+      dest[1] = dest[0];
+      dest[0] = '0';
+   }
+
+   return dest;
+}
+
+std::string add_0x(const std::string &s) {
+   if (s.size() > 1) {
+      if (s.substr(0, 2) == "0x")
+         return s;
+   }
+
+   return "0x" + s;
+}
+
+std::string remove_0x(const std::string &s) {
+   if (s.size() > 1) {
+      if (s.substr(0, 2) == "0x")
+         return s.substr(2);
+   }
+
+   return s;
+}
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/common/rpc_client.hpp

@@ -23,15 +23,16 @@ protected:
    std::string send_post_request(std::string method, std::string params, bool show_log);
 
    std::string url;
+   std::string user;
+   std::string password;
+   bool debug_rpc_calls;
+
    std::string protocol;
    std::string host;
    std::string port;
    std::string target;
    std::string authorization;
 
-   std::string user;
-   std::string password;
-   bool debug_rpc_calls;
    uint32_t request_id;
 
 private:

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/common/utils.hpp

@@ -2,4 +2,11 @@
 
 #include <graphene/chain/protocol/asset.hpp>
 
+namespace graphene { namespace peerplays_sidechain {
+
+std::string base64_encode(const std::string &s);
+std::string base64_decode(const std::string &s);
+
 std::string object_id_to_string(graphene::chain::object_id_type id);
+
+}} // namespace graphene::peerplays_sidechain

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/decoders.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+class rlp_decoder {
+private:
+   enum RLP_constants {
+      RLP_maxUintLen = 8,
+      RLP_bufferLenStart = 0x80,
+      RLP_listStart = 0xc0,
+   };
+
+public:
+   static std::vector<std::string> decode(const std::string &str);
+
+private:
+   static std::vector<std::string> decode_rlp(const unsigned char *raw, size_t len, size_t &consumed);
+   static std::vector<std::string> decode_array(const unsigned char *raw, size_t len, size_t uintlen, size_t payloadlen);
+   static uint64_t to_int(const unsigned char *raw, size_t len);
+   static std::vector<unsigned char> parse_hex(const std::string &str);
+   static std::vector<unsigned char> parse_hex(const char *psz);
+   static signed char hex_digit(char c);
+};
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/encoders.hpp

@@ -0,0 +1,73 @@
+#pragma once
+
+#include <boost/multiprecision/cpp_int.hpp>
+#include <string>
+#include <vector>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+class base_encoder {
+public:
+   static std::string encode_uint256(boost::multiprecision::uint256_t value);
+   static std::string encode_address(const std::string &value);
+   static std::string encode_string(const std::string &value);
+};
+
+class update_owners_encoder {
+public:
+   const std::string function_signature = "23ab6adf"; //! updateOwners((address,uint256)[],string)
+
+   std::string encode(const std::vector<std::pair<std::string, uint16_t>> &owners_weights, const std::string &object_id) const;
+};
+
+class withdrawal_encoder {
+public:
+   const std::string function_signature = "e088747b"; //! withdraw(address,uint256,string)
+
+   std::string encode(const std::string &to, boost::multiprecision::uint256_t amount, const std::string &object_id) const;
+};
+
+class rlp_encoder {
+public:
+   static std::string encode(const std::string &s);
+   static std::string encode_length(int len, int offset);
+   static std::string hex2bytes(const std::string &s);
+
+private:
+   static std::string encode_rlp(const std::string &s);
+   static int char2int(char input);
+   static void hex2bin(const char *src, char *target);
+};
+
+/*class ethereum_function_call_encoder {
+public:
+   enum operation_t {
+      OPERATION_CALL,
+      OPERATION_DELEGATE_CALL
+   };
+
+   static constexpr const char *const default_prev_addr = "0000000000000000000000000000000000000001";
+
+   std::string encode_function_signature(const std::string &function_signature);
+   std::string encode_address(const std::string &addr);
+   std::string encode_uint256(const std::string &value);
+   std::string encode_uint8(uint8_t value);
+   std::string encode_bytes(const std::string &values);
+};
+
+class safe_transaction_encoder {
+public:
+   static constexpr const char *const default_safe_tx_gas = "0";
+   static constexpr const char *const default_data_gas = "0";
+   static constexpr const char *const default_gas_price = "0";
+   static constexpr const char *const default_gas_token = "0000000000000000000000000000000000000000";
+   static constexpr const char *const default_refund_receiver = "0000000000000000000000000000000000000000";
+
+   std::string create_safe_address(const std::vector<std::string> &owner_addresses, uint32_t threshold);
+   std::string build_transaction(const std::string &safe_account_addr, const std::string &value, const std::string &data, uint8_t operation, const std::string &safeTxGas, const std::string &dataGas, const std::string &gasPrice, const std::string &gasToken, const std::string &refundReceiver);
+
+private:
+   ethereum_function_call_encoder m_ethereum_function_call_encoder;
+};*/
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/transaction.hpp

@@ -0,0 +1,163 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+#include <graphene/peerplays_sidechain/ethereum/types.hpp>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+class base_transaction {
+public:
+   base_transaction() = default;
+   base_transaction(const std::string &raw_tx);
+
+   virtual std::string serialize() const = 0;
+   virtual void deserialize(const std::string &raw_tx) = 0;
+};
+
+class transaction : base_transaction {
+public:
+   std::string from;
+   std::string to;
+   std::string data;
+
+   transaction() = default;
+   transaction(const std::string &raw_tx);
+
+   const transaction &sign(const std::string &private_key) const;
+
+   virtual std::string serialize() const override;
+   virtual void deserialize(const std::string &raw_tx) override;
+};
+
+class signed_transaction;
+class raw_transaction : base_transaction {
+public:
+   std::string nonce;
+   std::string gas_price;
+   std::string gas_limit;
+   std::string to;
+   std::string value;
+   std::string data;
+   std::string chain_id;
+
+   raw_transaction() = default;
+   raw_transaction(const std::string &raw_tx);
+
+   bytes hash() const;
+   signed_transaction sign(const std::string &private_key) const;
+
+   virtual std::string serialize() const override;
+   virtual void deserialize(const std::string &raw_tx) override;
+};
+
+class signed_transaction : base_transaction {
+public:
+   std::string nonce;
+   std::string gas_price;
+   std::string gas_limit;
+   std::string to;
+   std::string value;
+   std::string data;
+   std::string v;
+   std::string r;
+   std::string s;
+
+   signed_transaction() = default;
+   signed_transaction(const std::string &raw_tx);
+
+   std::string recover(const std::string &chain_id) const;
+
+   virtual std::string serialize() const override;
+   virtual void deserialize(const std::string &raw_tx) override;
+};
+
+}}} // namespace graphene::peerplays_sidechain::ethereum
+
+// Example 1
+//{
+//  "blockHash": "0x64a6706ecaf5a97b7f3e047abb20ff223ce82c6994d80e68fdb1fdfb38d0209c",
+//  "blockNumber": "0xe5827c",
+//  "from": "0x8614c67e085f2334010f2a28e806c6f1cc176d12",
+//  "gas": "0x38822",
+//  "gasPrice": "0xce42cba69",
+//  "maxFeePerGas": "0xddb4d8d16",
+//  "maxPriorityFeePerGas": "0x3b9aca00",
+//  "hash": "0xeac92ea09fa8eb3ca2fb0d156cceb38ae69d4345869d41e8e49d5ecbcbb622dc",
+//  "input": "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",
+//  "nonce": "0x32",
+//  "to": "0x68b3465833fb72a70ecdf485e0e4c7bd8665fc45",
+//  "transactionIndex": "0xb6",
+//  "value": "0x2514d9d7d7d8000",
+//  "type": "0x2",
+//  "accessList": [],
+//  "chainId": "0x1",
+//  "v": "0x1",
+//  "r": "0x2f8d6a9c737ed98792bafc903b8f1aa54adc731bd3cf9a8b25246a1c9095a28c",
+//  "s": "0x782c40e64b47a221a07612c822c08763f626e53c4b00b73f4c5ba86304c43f14"
+//}
+//
+//"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"
+//
+//{
+//  "nonce": 50,
+//  "gasPrice": {
+//    "_hex": "0x0ce42cba69"
+//  },
+//  "gasLimit": {
+//    "_hex": "0x038822"
+//  },
+//  "to": "0x68b3465833fb72a70ecdf485e0e4c7bd8665fc45",
+//  "value": {
+//    "_hex": "0x02514d9d7d7d8000"
+//  },
+//  "data": "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",
+//  "v": 1,
+//  "r": "0x2f8d6a9c737ed98792bafc903b8f1aa54adc731bd3cf9a8b25246a1c9095a28c",
+//  "s": "0x782c40e64b47a221a07612c822c08763f626e53c4b00b73f4c5ba86304c43f14"
+//}
+
+// Example 2
+//{
+//  "blockHash": "0xe2ae3afd86dc7343c7fb753441447a0a51bb19499325ad6e278256f0cd1b5894",
+//  "blockNumber": "0xe58271",
+//  "from": "0xb895ade6d337fbb8cb97f2ea7da43106c7f5cc26",
+//  "gas": "0x5208",
+//  "gasPrice": "0xe6f3b322e",
+//  "maxFeePerGas": "0x1322455fd3",
+//  "maxPriorityFeePerGas": "0x53724e00",
+//  "hash": "0xed29b56e52ad2d452e25b8ec70c37f59d935cd6d0f8fe8e83b256f3ffdfd3fce",
+//  "input": "0x",
+//  "nonce": "0x37",
+//  "to": "0x176386b6ffc469ac049f9ec1f6cc0efd1d09b373",
+//  "transactionIndex": "0x8a",
+//  "value": "0x4563918244f40000",
+//  "type": "0x2",
+//  "accessList": [],
+//  "chainId": "0x1",
+//  "v": "0x0",
+//  "r": "0xdcc588257770e08660cb809e71b293f556cd5f5323e832d96ee896ff8830ca4c",
+//  "s": "0x28c7ce6a539d9318688687097a2db29e15c32ba8c085275fdd3dddf047d4bd1a"
+//}
+//
+//"0xf86c37850e6f3b322e82520894176386b6ffc469ac049f9ec1f6cc0efd1d09b373884563918244f400008000a0dcc588257770e08660cb809e71b293f556cd5f5323e832d96ee896ff8830ca4ca028c7ce6a539d9318688687097a2db29e15c32ba8c085275fdd3dddf047d4bd1a"
+//
+//{
+//  "nonce": 55,
+//  "gasPrice": {
+//    "_hex": "0x0e6f3b322e"
+//  },
+//  "gasLimit": {
+//    "_hex": "0x5208"
+//  },
+//  "to": "0x176386b6ffc469ac049f9ec1f6cc0efd1d09b373",
+//  "value": {
+//    "_hex": "0x4563918244f40000"
+//  },
+//  "data": "0x",
+//  "v": 0,
+//  "r": "0xdcc588257770e08660cb809e71b293f556cd5f5323e832d96ee896ff8830ca4c",
+//  "s": "0x28c7ce6a539d9318688687097a2db29e15c32ba8c085275fdd3dddf047d4bd1a"
+//}

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/types.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <boost/multiprecision/cpp_int.hpp>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+typedef uint64_t chain_id_type;
+typedef uint64_t network_id_type;
+
+using bytes = std::vector<char>;
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/utils.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <graphene/peerplays_sidechain/ethereum/types.hpp>
+
+namespace graphene { namespace peerplays_sidechain { namespace ethereum {
+
+bytes parse_hex(const std::string &str);
+
+std::string bytes2hex(const std::string &s);
+
+std::string uchar2Hex(unsigned char n);
+
+std::string add_0x(const std::string &s);
+
+std::string remove_0x(const std::string &s);
+
+template <typename T>
+std::string to_hex(const T &val) {
+   std::stringstream stream;
+   stream << std::hex << val;
+   std::string result(stream.str());
+   if (result.size() % 2)
+      result = "0" + result;
+   return result;
+}
+
+template <typename T>
+T from_hex(const std::string &s) {
+   T val;
+   std::stringstream stream;
+   stream << std::hex << s;
+   stream >> val;
+
+   return val;
+}
+
+}}} // namespace graphene::peerplays_sidechain::ethereum

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/sidechain_net_handler_bitcoin.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
-#include <graphene/peerplays_sidechain/sidechain_net_handler.hpp>
 #include <graphene/peerplays_sidechain/common/rpc_client.hpp>
+#include <graphene/peerplays_sidechain/sidechain_net_handler.hpp>
 
 #include <string>
 #include <thread>
@@ -23,7 +23,7 @@ public:
    uint64_t amount_;
 };
 
-class bitcoin_rpc_client: public rpc_client  {
+class bitcoin_rpc_client : public rpc_client {
 public:
    enum class multi_type {
       script,
@@ -63,9 +63,8 @@ private:
    uint32_t rpc_port;
    std::string user;
    std::string password;
-   std::string wallet;
+   std::string wallet_name;
    std::string wallet_password;
-
 };
 
 // =============================================================================
@@ -112,17 +111,18 @@ private:
    std::string ip;
    uint32_t zmq_port;
    uint32_t rpc_port;
-   uint32_t bitcoin_major_version;
    std::string rpc_user;
    std::string rpc_password;
-   std::string wallet;
+   std::string wallet_name;
    std::string wallet_password;
 
    std::unique_ptr<bitcoin_rpc_client> bitcoin_client;
    std::unique_ptr<zmq_listener> listener;
 
    fc::future<void> on_changed_objects_task;
+
    bitcoin::bitcoin_address::network network_type;
+   uint32_t bitcoin_major_version;
 
    std::mutex event_handler_mutex;
    typedef std::lock_guard<decltype(event_handler_mutex)> scoped_lock;

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/sidechain_net_handler_ethereum.hpp

@@ -0,0 +1,75 @@
+#pragma once
+
+#include <graphene/peerplays_sidechain/sidechain_net_handler.hpp>
+
+#include <string>
+
+#include <boost/signals2.hpp>
+
+#include <graphene/peerplays_sidechain/common/rpc_client.hpp>
+#include <graphene/peerplays_sidechain/ethereum/types.hpp>
+
+namespace graphene { namespace peerplays_sidechain {
+
+class ethereum_rpc_client : public rpc_client {
+public:
+   ethereum_rpc_client(const std::string &url, const std::string &user_name, const std::string &password, bool debug_rpc_calls);
+
+   std::string admin_node_info();
+   std::string eth_get_block_by_number(std::string block_number, bool full_block);
+   std::string eth_get_logs(std::string wallet_contract_address);
+   std::string net_version();
+   std::string eth_get_transaction_count(const std::string &params);
+   std::string eth_gas_price();
+
+   std::string get_chain_id();
+   std::string get_network_id();
+   std::string get_nonce(const std::string &address);
+   std::string get_gas_price();
+   std::string get_gas_limit();
+
+   std::string eth_send_transaction(const std::string &params);
+   std::string eth_send_raw_transaction(const std::string &params);
+   std::string eth_get_transaction_receipt(const std::string &params);
+};
+
+class sidechain_net_handler_ethereum : public sidechain_net_handler {
+public:
+   sidechain_net_handler_ethereum(peerplays_sidechain_plugin &_plugin, const boost::program_options::variables_map &options);
+   virtual ~sidechain_net_handler_ethereum();
+
+   bool process_proposal(const proposal_object &po);
+   void process_primary_wallet();
+   void process_sidechain_addresses();
+   bool process_deposit(const son_wallet_deposit_object &swdo);
+   bool process_withdrawal(const son_wallet_withdraw_object &swwo);
+   std::string process_sidechain_transaction(const sidechain_transaction_object &sto);
+   std::string send_sidechain_transaction(const sidechain_transaction_object &sto);
+   bool settle_sidechain_transaction(const sidechain_transaction_object &sto, asset &settle_amount);
+
+private:
+   std::string rpc_url;
+   std::string rpc_user;
+   std::string rpc_password;
+   std::string wallet_contract_address;
+
+   ethereum_rpc_client *rpc_client;
+
+   ethereum::chain_id_type chain_id;
+   ethereum::network_id_type network_id;
+
+   std::string create_primary_wallet_transaction(const std::vector<son_info> &son_pubkeys, const std::string &object_id);
+   std::string create_deposit_transaction(const son_wallet_deposit_object &swdo);
+   std::string create_withdrawal_transaction(const son_wallet_withdraw_object &swwo);
+
+   std::string sign_transaction(const sidechain_transaction_object &sto);
+
+   uint64_t last_block_received;
+   fc::future<void> _listener_task;
+   boost::signals2::signal<void(const std::string &)> event_received;
+   void schedule_ethereum_listener();
+   void ethereum_listener_loop();
+   void handle_event(const std::string &event_data);
+};
+
+}} // namespace graphene::peerplays_sidechain

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/sidechain_net_handler_hive.hpp

@@ -6,15 +6,14 @@
 
 #include <boost/signals2.hpp>
 
-#include <fc/network/http/connection.hpp>
 #include <graphene/peerplays_sidechain/common/rpc_client.hpp>
 #include <graphene/peerplays_sidechain/hive/types.hpp>
 
 namespace graphene { namespace peerplays_sidechain {
 
-class hive_node_rpc_client : public rpc_client {
+class hive_rpc_client : public rpc_client {
 public:
-   hive_node_rpc_client(const std::string &url, const std::string &user_name, const std::string &password, bool debug_rpc_calls);
+   hive_rpc_client(const std::string &url, const std::string &user_name, const std::string &password, bool debug_rpc_calls);
 
    std::string account_history_api_get_transaction(std::string transaction_id);
    std::string block_api_get_block(uint32_t block_number);
@@ -48,10 +47,12 @@ public:
    bool settle_sidechain_transaction(const sidechain_transaction_object &sto, asset &settle_amount);
 
 private:
-   std::string node_rpc_url;
-   std::string node_rpc_user;
-   std::string node_rpc_password;
-   hive_node_rpc_client *node_rpc_client;
+   std::string rpc_url;
+   std::string rpc_user;
+   std::string rpc_password;
+   std::string wallet_account_name;
+
+   hive_rpc_client *rpc_client;
 
    hive::chain_id_type chain_id;
    hive::network network_type;

libraries/plugins/peerplays_sidechain/peerplays_sidechain_plugin.cpp

@@ -152,17 +152,26 @@ void peerplays_sidechain_plugin_impl::plugin_set_program_options(
    cli.add_options()("bitcoin-node-rpc-port", bpo::value<uint32_t>()->default_value(8332), "RPC port of Bitcoin node");
    cli.add_options()("bitcoin-node-rpc-user", bpo::value<string>()->default_value("1"), "Bitcoin RPC user");
    cli.add_options()("bitcoin-node-rpc-password", bpo::value<string>()->default_value("1"), "Bitcoin RPC password");
-   cli.add_options()("bitcoin-wallet", bpo::value<string>(), "Bitcoin wallet");
+   cli.add_options()("bitcoin-wallet-name", bpo::value<string>(), "Bitcoin wallet name");
    cli.add_options()("bitcoin-wallet-password", bpo::value<string>(), "Bitcoin wallet password");
    cli.add_options()("bitcoin-private-key", bpo::value<vector<string>>()->composing()->multitoken()->DEFAULT_VALUE_VECTOR(std::make_pair("02d0f137e717fb3aab7aff99904001d49a0a636c5e1342f8927a4ba2eaee8e9772", "cVN31uC9sTEr392DLVUEjrtMgLA8Yb3fpYmTRj7bomTm6nn2ANPr")),
                      "Tuple of [Bitcoin public key, Bitcoin private key] (may specify multiple times)");
 
+   cli.add_options()("ethereum-sidechain-enabled", bpo::value<bool>()->default_value(false), "Ethereum sidechain handler enabled");
+   cli.add_options()("ethereum-node-rpc-url", bpo::value<string>()->default_value("127.0.0.1:8545"), "Ethereum node RPC URL [http[s]://]host[:port]");
+   cli.add_options()("ethereum-node-rpc-user", bpo::value<string>(), "Ethereum RPC user");
+   cli.add_options()("ethereum-node-rpc-password", bpo::value<string>(), "Ethereum RPC password");
+   cli.add_options()("ethereum-wallet-contract-address", bpo::value<string>(), "Ethereum wallet contract address");
+   cli.add_options()("ethereum-private-key", bpo::value<vector<string>>()->composing()->multitoken()->DEFAULT_VALUE_VECTOR(std::make_pair("5fbbb31be52608d2f52247e8400b7fcaa9e0bc12", "9bedac2bd8fe2a6f6528e066c67fc8ac0622e96828d40c0e820d83c5bd2b0589")),
+                     "Tuple of [Ethereum public key, Ethereum private key] (may specify multiple times)");
+
    cli.add_options()("hive-sidechain-enabled", bpo::value<bool>()->default_value(false), "Hive sidechain handler enabled");
    cli.add_options()("hive-node-rpc-url", bpo::value<string>()->default_value("127.0.0.1:28090"), "Hive node RPC URL [http[s]://]host[:port]");
    cli.add_options()("hive-node-rpc-user", bpo::value<string>(), "Hive node RPC user");
    cli.add_options()("hive-node-rpc-password", bpo::value<string>(), "Hive node RPC password");
-   cli.add_options()("hive-private-key", bpo::value<vector<string>>()->composing()->multitoken()->DEFAULT_VALUE_VECTOR(std::make_pair("TST6LLegbAgLAy28EHrffBVuANFWcFgmqRMW13wBmTExqFE9SCkg4", "5JNHfZYKGaomSFvd4NUdQ9qMcEAC43kujbfjueTHpVapX1Kzq2n")),
-                     "Tuple of [Hive public key, Hive private key] (may specify multiple times)");
+   cli.add_options()("hive-wallet-account-name", bpo::value<string>(), "Hive wallet account name"),
+         cli.add_options()("hive-private-key", bpo::value<vector<string>>()->composing()->multitoken()->DEFAULT_VALUE_VECTOR(std::make_pair("TST6LLegbAgLAy28EHrffBVuANFWcFgmqRMW13wBmTExqFE9SCkg4", "5JNHfZYKGaomSFvd4NUdQ9qMcEAC43kujbfjueTHpVapX1Kzq2n")),
+                           "Tuple of [Hive public key, Hive private key] (may specify multiple times)");
 
    cfg.add(cli);
 }
@@ -211,45 +220,39 @@ void peerplays_sidechain_plugin_impl::plugin_initialize(const boost::program_opt
    config_ready_bitcoin = options.count("bitcoin-node-ip") &&
                           options.count("bitcoin-node-zmq-port") && options.count("bitcoin-node-rpc-port") &&
                           options.count("bitcoin-node-rpc-user") && options.count("bitcoin-node-rpc-password") &&
-                          /*options.count("bitcoin-wallet") && options.count("bitcoin-wallet-password") &&*/
+                          options.count("bitcoin-wallet-name") && options.count("bitcoin-wallet-password") &&
                           options.count("bitcoin-private-key");
-   if (!config_ready_bitcoin) {
+   if (sidechain_enabled_bitcoin && !config_ready_bitcoin) {
       wlog("Haven't set up Bitcoin sidechain parameters");
    }
 
-   //sidechain_enabled_ethereum = options.at("ethereum-sidechain-enabled").as<bool>();
-   //config_ready_ethereum = options.count("ethereum-node-ip") &&
-   //                        options.count("ethereum-address") &&
-   //                        options.count("ethereum-public-key") && options.count("ethereum-private-key");
-   //if (!config_ready_ethereum) {
-   //   wlog("Haven't set up Ethereum sidechain parameters");
-   //}
+   sidechain_enabled_ethereum = options.at("ethereum-sidechain-enabled").as<bool>();
+   config_ready_ethereum = options.count("ethereum-node-rpc-url") &&
+                           /*options.count("ethereum-node-rpc-user") && options.count("ethereum-node-rpc-password") &&*/
+                           options.count("ethereum-wallet-contract-address") &&
+                           options.count("ethereum-private-key");
+   if (sidechain_enabled_ethereum && !config_ready_ethereum) {
+      wlog("Haven't set up Ethereum sidechain parameters");
+   }
 
    sidechain_enabled_hive = options.at("hive-sidechain-enabled").as<bool>();
    config_ready_hive = options.count("hive-node-rpc-url") &&
                        /*options.count("hive-node-rpc-user") && options.count("hive-node-rpc-password") &&*/
+                       options.count("hive-wallet-account-name") &&
                        options.count("hive-private-key");
-   if (!config_ready_hive) {
+   if (sidechain_enabled_hive && !config_ready_hive) {
       wlog("Haven't set up Hive sidechain parameters");
    }
 
 #ifdef ENABLE_PEERPLAYS_ASSET_DEPOSITS
-   sidechain_enabled_peerplays = true; //options.at("peerplays-sidechain-enabled").as<bool>();
+   sidechain_enabled_peerplays = true;
 #else
    sidechain_enabled_peerplays = false;
 #endif
    config_ready_peerplays = true;
-   if (!config_ready_peerplays) {
+   if (sidechain_enabled_peerplays && !config_ready_peerplays) {
       wlog("Haven't set up Peerplays sidechain parameters");
    }
-
-   if (!(config_ready_bitcoin &&
-         /*config_ready_ethereum &&*/
-         config_ready_hive &&
-         config_ready_peerplays)) {
-      wlog("Haven't set up any sidechain parameters");
-      throw;
-   }
 }
 
 void peerplays_sidechain_plugin_impl::plugin_startup() {
@@ -269,10 +272,10 @@ void peerplays_sidechain_plugin_impl::plugin_startup() {
       ilog("Bitcoin sidechain handler running");
    }
 
-   //if (sidechain_enabled_ethereum && config_ready_ethereum) {
-   //   net_manager->create_handler(sidechain_type::ethereum, options);
-   //   ilog("Ethereum sidechain handler running");
-   //}
+   if (sidechain_enabled_ethereum && config_ready_ethereum) {
+      net_manager->create_handler(sidechain_type::ethereum, options);
+      ilog("Ethereum sidechain handler running");
+   }
 
    if (sidechain_enabled_hive && config_ready_hive) {
       net_manager->create_handler(sidechain_type::hive, options);

libraries/plugins/peerplays_sidechain/sidechain_net_handler.cpp

@@ -172,18 +172,21 @@ void sidechain_net_handler::sidechain_event_data_received(const sidechain_event_
 #ifdef ENABLE_PEERPLAYS_ASSET_DEPOSITS
    //enable_peerplays_asset_deposits = (sed.sidechain == sidechain_type::peerplays) &&
    //                                  (sed.sidechain_currency.compare("BTC") != 0) &&
+   //                                  (sed.sidechain_currency.compare("ETH") != 0) &&
    //                                  (sed.sidechain_currency.compare("HBD") != 0) &&
    //                                  (sed.sidechain_currency.compare("HIVE") != 0);
 #endif
 
    bool deposit_condition = (sed.peerplays_to == gpo.parameters.son_account()) &&
                             (((sed.sidechain == sidechain_type::bitcoin) && (sed.sidechain_currency.compare("BTC") == 0)) ||
+                             ((sed.sidechain == sidechain_type::ethereum) && (sed.sidechain_currency.compare("ETH") == 0)) ||
                              ((sed.sidechain == sidechain_type::hive) && (sed.sidechain_currency.compare("HBD") == 0)) ||
                              ((sed.sidechain == sidechain_type::hive) && (sed.sidechain_currency.compare("HIVE") == 0)) ||
                              enable_peerplays_asset_deposits);
 
    bool withdraw_condition = (sed.peerplays_to == gpo.parameters.son_account()) && (sed.sidechain == sidechain_type::peerplays) &&
                              ((sed.sidechain_currency == object_id_to_string(gpo.parameters.btc_asset())) ||
+                              (sed.sidechain_currency == object_id_to_string(gpo.parameters.eth_asset())) ||
                               (sed.sidechain_currency == object_id_to_string(gpo.parameters.hbd_asset())) ||
                               (sed.sidechain_currency == object_id_to_string(gpo.parameters.hive_asset())));
 
@@ -240,6 +243,10 @@ void sidechain_net_handler::sidechain_event_data_received(const sidechain_event_
          withdraw_currency = "BTC";
          withdraw_currency_price = database.get<asset_object>(database.get_global_properties().parameters.btc_asset()).options.core_exchange_rate;
       }
+      if (sed.sidechain_currency == object_id_to_string(gpo.parameters.eth_asset())) {
+         withdraw_currency = "ETH";
+         withdraw_currency_price = database.get<asset_object>(database.get_global_properties().parameters.eth_asset()).options.core_exchange_rate;
+      }
       if (sed.sidechain_currency == object_id_to_string(gpo.parameters.hbd_asset())) {
          withdraw_currency = "HBD";
          withdraw_currency_price = database.get<asset_object>(database.get_global_properties().parameters.hbd_asset()).options.core_exchange_rate;
@@ -648,6 +655,7 @@ void sidechain_net_handler::on_applied_block(const signed_block &b) {
 
             bool is_tracked_asset =
                   ((sidechain == sidechain_type::bitcoin) && (transfer_op.amount.asset_id == gpo.parameters.btc_asset())) ||
+                  ((sidechain == sidechain_type::ethereum) && (transfer_op.amount.asset_id == gpo.parameters.eth_asset())) ||
                   ((sidechain == sidechain_type::hive) && (transfer_op.amount.asset_id == gpo.parameters.hbd_asset())) ||
                   ((sidechain == sidechain_type::hive) && (transfer_op.amount.asset_id == gpo.parameters.hive_asset()));
 

libraries/plugins/peerplays_sidechain/sidechain_net_handler_bitcoin.cpp

@@ -334,9 +334,9 @@ sidechain_net_handler_bitcoin::sidechain_net_handler_bitcoin(peerplays_sidechain
    rpc_port = options.at("bitcoin-node-rpc-port").as<uint32_t>();
    rpc_user = options.at("bitcoin-node-rpc-user").as<std::string>();
    rpc_password = options.at("bitcoin-node-rpc-password").as<std::string>();
-   wallet = "";
-   if (options.count("bitcoin-wallet")) {
-      wallet = options.at("bitcoin-wallet").as<std::string>();
+   wallet_name = "";
+   if (options.count("bitcoin-wallet-name")) {
+      wallet_name = options.at("bitcoin-wallet-name").as<std::string>();
    }
    wallet_password = "";
    if (options.count("bitcoin-wallet-password")) {
@@ -356,13 +356,13 @@ sidechain_net_handler_bitcoin::sidechain_net_handler_bitcoin(peerplays_sidechain
    }
 
    std::string url = ip + ":" + std::to_string(rpc_port);
-   if (wallet.length() > 0) {
-      url = url + "/wallet/" + wallet;
+   if (!wallet_name.empty()) {
+      url = url + "/wallet/" + wallet_name;
    }
 
    bitcoin_client = std::unique_ptr<bitcoin_rpc_client>(new bitcoin_rpc_client(url, rpc_user, rpc_password, debug_rpc_calls));
-   if (!wallet.empty()) {
-      bitcoin_client->loadwallet(wallet);
+   if (!wallet_name.empty()) {
+      bitcoin_client->loadwallet(wallet_name);
    }
 
    std::string blockchain_info = bitcoin_client->getblockchaininfo();

libraries/plugins/peerplays_sidechain/sidechain_net_handler_ethereum.cpp

@@ -0,0 +1,763 @@
+#include <graphene/peerplays_sidechain/sidechain_net_handler_ethereum.hpp>
+
+#include <algorithm>
+#include <thread>
+
+#include <boost/algorithm/string.hpp>
+#include <boost/property_tree/json_parser.hpp>
+#include <boost/property_tree/ptree.hpp>
+
+#include <fc/crypto/base64.hpp>
+#include <fc/log/logger.hpp>
+#include <fc/network/ip.hpp>
+
+#include <graphene/chain/account_object.hpp>
+#include <graphene/chain/protocol/son_wallet.hpp>
+#include <graphene/chain/sidechain_transaction_object.hpp>
+#include <graphene/chain/son_info.hpp>
+#include <graphene/chain/son_wallet_object.hpp>
+#include <graphene/peerplays_sidechain/ethereum/encoders.hpp>
+#include <graphene/peerplays_sidechain/ethereum/transaction.hpp>
+#include <graphene/peerplays_sidechain/ethereum/utils.hpp>
+
+#define SEND_RAW_TRANSACTION 1
+
+namespace graphene { namespace peerplays_sidechain {
+
+ethereum_rpc_client::ethereum_rpc_client(const std::string &url, const std::string &user_name, const std::string &password, bool debug_rpc_calls) :
+      rpc_client(url, user_name, password, debug_rpc_calls) {
+}
+
+std::string ethereum_rpc_client::admin_node_info() {
+   return send_post_request("admin_nodeInfo", "", debug_rpc_calls);
+}
+
+std::string ethereum_rpc_client::eth_get_block_by_number(std::string block_number, bool full_block) {
+   std::string params = "[ \"" + block_number + "\", " + (full_block ? "true" : "false") + "]";
+   return send_post_request("eth_getBlockByNumber", params, debug_rpc_calls);
+}
+
+std::string ethereum_rpc_client::eth_get_logs(std::string wallet_contract_address) {
+   std::string params = "[{\"address\": \"" + wallet_contract_address + "\"}]";
+   std::string reply_str = send_post_request("eth_getLogs", params, debug_rpc_calls);
+   return retrieve_value_from_reply(reply_str, "");
+}
+
+std::string ethereum_rpc_client::net_version() {
+   return send_post_request("net_version", "", debug_rpc_calls);
+}
+
+std::string ethereum_rpc_client::eth_get_transaction_count(const std::string &params) {
+   return send_post_request("eth_getTransactionCount", params, debug_rpc_calls);
+}
+
+std::string ethereum_rpc_client::eth_gas_price() {
+   return send_post_request("eth_gasPrice", "", debug_rpc_calls);
+}
+
+std::string ethereum_rpc_client::get_chain_id() {
+   std::string reply_str = net_version();
+   return retrieve_value_from_reply(reply_str, "");
+}
+
+std::string ethereum_rpc_client::get_network_id() {
+   std::string reply_str = admin_node_info();
+   return retrieve_value_from_reply(reply_str, "protocols.eth.network");
+}
+
+std::string ethereum_rpc_client::get_nonce(const std::string &address) {
+   std::string reply_str = eth_get_transaction_count("[\"" + address + "\", \"latest\"]");
+   const auto nonce_val = ethereum::from_hex<boost::multiprecision::uint256_t>(retrieve_value_from_reply(reply_str, ""));
+   return nonce_val == 0 ? ethereum::add_0x("0") : ethereum::add_0x(ethereum::to_hex(nonce_val));
+}
+
+std::string ethereum_rpc_client::get_gas_price() {
+   std::string reply_str = eth_gas_price();
+   return retrieve_value_from_reply(reply_str, "");
+}
+
+std::string ethereum_rpc_client::get_gas_limit() {
+   std::string reply_str = eth_get_block_by_number("latest", false);
+   if (!reply_str.empty()) {
+      std::stringstream ss(reply_str);
+      boost::property_tree::ptree json;
+      boost::property_tree::read_json(ss, json);
+      if (json.count("result")) {
+         std::string gas_limit_s = json.get<std::string>("result.gasLimit");
+         return gas_limit_s;
+      }
+   }
+   return std::string{};
+}
+
+std::string ethereum_rpc_client::eth_send_transaction(const std::string &params) {
+   return send_post_request("eth_sendTransaction", "[" + params + "]", debug_rpc_calls);
+}
+
+std::string ethereum_rpc_client::eth_send_raw_transaction(const std::string &params) {
+   return send_post_request("eth_sendRawTransaction", "[ \"" + params + "\" ]", debug_rpc_calls);
+}
+
+std::string ethereum_rpc_client::eth_get_transaction_receipt(const std::string &params) {
+   return send_post_request("eth_getTransactionReceipt", "[\"" + params + "\"]", debug_rpc_calls);
+}
+
+sidechain_net_handler_ethereum::sidechain_net_handler_ethereum(peerplays_sidechain_plugin &_plugin, const boost::program_options::variables_map &options) :
+      sidechain_net_handler(_plugin, options) {
+   sidechain = sidechain_type::ethereum;
+
+   if (options.count("debug-rpc-calls")) {
+      debug_rpc_calls = options.at("debug-rpc-calls").as<bool>();
+   }
+
+   rpc_url = options.at("ethereum-node-rpc-url").as<std::string>();
+   if (options.count("ethereum-node-rpc-user")) {
+      rpc_user = options.at("ethereum-node-rpc-user").as<std::string>();
+   } else {
+      rpc_user = "";
+   }
+   if (options.count("ethereum-node-rpc-password")) {
+      rpc_password = options.at("ethereum-node-rpc-password").as<std::string>();
+   } else {
+      rpc_password = "";
+   }
+
+   wallet_contract_address = options.at("ethereum-wallet-contract-address").as<std::string>();
+
+   if (options.count("ethereum-private-key")) {
+      const std::vector<std::string> pub_priv_keys = options["ethereum-private-key"].as<std::vector<std::string>>();
+      for (const std::string &itr_key_pair : pub_priv_keys) {
+         auto key_pair = graphene::app::dejsonify<std::pair<std::string, std::string>>(itr_key_pair, 5);
+         ilog("Ethereum Public Key: ${public}", ("public", key_pair.first));
+         if (!key_pair.first.length() || !key_pair.second.length()) {
+            FC_THROW("Invalid public private key pair.");
+         }
+         private_keys[key_pair.first] = key_pair.second;
+      }
+   }
+
+   rpc_client = new ethereum_rpc_client(rpc_url, rpc_user, rpc_password, debug_rpc_calls);
+
+   std::string chain_id_str = rpc_client->get_chain_id();
+   if (chain_id_str.empty()) {
+      elog("No Ethereum node running at ${url}", ("url", rpc_url));
+      FC_ASSERT(false);
+   }
+   chain_id = std::stoll(chain_id_str);
+   std::string network_id_str = rpc_client->get_network_id();
+   network_id = std::stoll(network_id_str);
+
+   ilog("Running on Ethereum network, chain id ${chain_id_str}, network id ${network_id_str}", ("chain_id_str", chain_id_str)("network_id_str", network_id_str));
+
+   last_block_received = 0;
+   schedule_ethereum_listener();
+   event_received.connect([this](const std::string &event_data) {
+      std::thread(&sidechain_net_handler_ethereum::handle_event, this, event_data).detach();
+   });
+}
+
+sidechain_net_handler_ethereum::~sidechain_net_handler_ethereum() {
+}
+
+bool sidechain_net_handler_ethereum::process_proposal(const proposal_object &po) {
+   ilog("Proposal to process: ${po}, SON id ${son_id}", ("po", po.id)("son_id", plugin.get_current_son_id()));
+
+   bool should_approve = false;
+
+   const chain::global_property_object &gpo = database.get_global_properties();
+
+   int32_t op_idx_0 = -1;
+   chain::operation op_obj_idx_0;
+
+   if (po.proposed_transaction.operations.size() >= 1) {
+      op_idx_0 = po.proposed_transaction.operations[0].which();
+      op_obj_idx_0 = po.proposed_transaction.operations[0];
+   }
+
+   int32_t op_idx_1 = -1;
+   chain::operation op_obj_idx_1;
+   (void)op_idx_1;
+
+   if (po.proposed_transaction.operations.size() >= 2) {
+      op_idx_1 = po.proposed_transaction.operations[1].which();
+      op_obj_idx_1 = po.proposed_transaction.operations[1];
+   }
+
+   switch (op_idx_0) {
+
+   case chain::operation::tag<chain::son_wallet_update_operation>::value: {
+      bool address_ok = false;
+      bool transaction_ok = false;
+      son_wallet_id_type swo_id = op_obj_idx_0.get<son_wallet_update_operation>().son_wallet_id;
+      const auto &idx = database.get_index_type<son_wallet_index>().indices().get<by_id>();
+      const auto swo = idx.find(swo_id);
+      if (swo != idx.end()) {
+
+         auto active_sons = gpo.active_sons;
+         vector<son_info> wallet_sons = swo->sons;
+
+         bool son_sets_equal = (active_sons.size() == wallet_sons.size());
+
+         if (son_sets_equal) {
+            for (size_t i = 0; i < active_sons.size(); i++) {
+               son_sets_equal = son_sets_equal && active_sons.at(i) == wallet_sons.at(i);
+            }
+         }
+
+         if (son_sets_equal) {
+            address_ok = (op_obj_idx_0.get<son_wallet_update_operation>().address == wallet_contract_address);
+         }
+
+         if (po.proposed_transaction.operations.size() >= 2) {
+            object_id_type object_id = op_obj_idx_1.get<sidechain_transaction_create_operation>().object_id;
+            std::string op_tx_str = op_obj_idx_1.get<sidechain_transaction_create_operation>().transaction;
+
+            const auto &st_idx = database.get_index_type<sidechain_transaction_index>().indices().get<by_object_id>();
+            const auto st = st_idx.find(object_id);
+            if (st == st_idx.end()) {
+
+               std::string tx_str = "";
+
+               if (object_id.is<son_wallet_id_type>()) {
+                  const auto &idx = database.get_index_type<son_wallet_index>().indices().get<by_id>();
+                  const auto swo = idx.find(object_id);
+                  if (swo != idx.end()) {
+                     tx_str = create_primary_wallet_transaction(gpo.active_sons, object_id.operator std::string());
+                  }
+               }
+
+               transaction_ok = (op_tx_str == tx_str);
+            }
+         } else {
+            transaction_ok = true;
+         }
+      }
+
+      should_approve = address_ok &&
+                       transaction_ok;
+      break;
+   }
+
+   case chain::operation::tag<chain::son_wallet_deposit_process_operation>::value: {
+      bool process_ok = false;
+      son_wallet_deposit_id_type swdo_id = op_obj_idx_0.get<son_wallet_deposit_process_operation>().son_wallet_deposit_id;
+      const auto &idx = database.get_index_type<son_wallet_deposit_index>().indices().get<by_id>();
+      const auto swdo = idx.find(swdo_id);
+      if (swdo != idx.end()) {
+
+         //std::string swdo_txid = swdo->sidechain_transaction_id;
+         //std::string swdo_sidechain_from = swdo->sidechain_from;
+         //std::string swdo_sidechain_currency = swdo->sidechain_currency;
+         //uint64_t swdo_sidechain_amount = swdo->sidechain_amount.value;
+         //uint64_t swdo_op_idx = std::stoll(swdo->sidechain_uid.substr(swdo->sidechain_uid.find_last_of("-")));
+         //
+         //std::string tx_str = rpc_client->account_history_api_get_transaction(swdo_txid);
+         //if (tx_str != "") {
+         //
+         //   std::stringstream ss_tx(tx_str);
+         //   boost::property_tree::ptree tx;
+         //   boost::property_tree::read_json(ss_tx, tx);
+         //
+         //   uint64_t op_idx = -1;
+         //   for (const auto &ops : tx.get_child("result.operations")) {
+         //      const auto &op = ops.second;
+         //      op_idx = op_idx + 1;
+         //      if (op_idx == swdo_op_idx) {
+         //         std::string operation_type = op.get<std::string>("type");
+         //
+         //         if (operation_type == "transfer_operation") {
+         //            const auto &op_value = op.get_child("value");
+         //
+         //            std::string sidechain_from = op_value.get<std::string>("from");
+         //
+         //            const auto &amount_child = op_value.get_child("amount");
+         //
+         //            uint64_t amount = amount_child.get<uint64_t>("amount");
+         //            std::string nai = amount_child.get<std::string>("nai");
+         //            std::string sidechain_currency = "";
+         //            if ((nai == "@@000000013" /*?? HBD*/) || (nai == "@@000000013" /*TBD*/)) {
+         //               sidechain_currency = "HBD";
+         //            }
+         //            if ((nai == "@@000000021") /*?? HIVE*/ || (nai == "@@000000021" /*TESTS*/)) {
+         //               sidechain_currency = "HIVE";
+         //            }
+         //
+         //            std::string memo = op_value.get<std::string>("memo");
+         //            boost::trim(memo);
+         //            if (!memo.empty()) {
+         //               sidechain_from = memo;
+         //            }
+         //
+         //            process_ok = (swdo_sidechain_from == sidechain_from) &&
+         //                         (swdo_sidechain_currency == sidechain_currency) &&
+         //                         (swdo_sidechain_amount == amount);
+         //         }
+         //      }
+         //   }
+         //}
+      }
+
+      process_ok = true;
+
+      should_approve = process_ok;
+      break;
+   }
+
+   case chain::operation::tag<chain::son_wallet_withdraw_process_operation>::value: {
+      bool process_ok = false;
+      bool transaction_ok = false;
+      son_wallet_withdraw_id_type swwo_id = op_obj_idx_0.get<son_wallet_withdraw_process_operation>().son_wallet_withdraw_id;
+      const auto &idx = database.get_index_type<son_wallet_withdraw_index>().indices().get<by_id>();
+      const auto swwo = idx.find(swwo_id);
+      if (swwo != idx.end()) {
+         uint32_t swwo_block_num = swwo->block_num;
+         std::string swwo_peerplays_transaction_id = swwo->peerplays_transaction_id;
+         uint32_t swwo_op_idx = std::stoll(swwo->peerplays_uid.substr(swwo->peerplays_uid.find_last_of("-") + 1));
+
+         const auto &block = database.fetch_block_by_number(swwo_block_num);
+
+         for (const auto &tx : block->transactions) {
+            if (tx.id().str() == swwo_peerplays_transaction_id) {
+               operation op = tx.operations[swwo_op_idx];
+               transfer_operation t_op = op.get<transfer_operation>();
+
+               price asset_price = database.get<asset_object>(t_op.amount.asset_id).options.core_exchange_rate;
+               asset peerplays_asset = asset(t_op.amount.amount * asset_price.base.amount / asset_price.quote.amount);
+
+               process_ok = (t_op.to == gpo.parameters.son_account()) &&
+                            (swwo->peerplays_from == t_op.from) &&
+                            (swwo->peerplays_asset == peerplays_asset);
+               break;
+            }
+         }
+
+         object_id_type object_id = op_obj_idx_1.get<sidechain_transaction_create_operation>().object_id;
+         std::string op_tx_str = op_obj_idx_1.get<sidechain_transaction_create_operation>().transaction;
+
+         const auto &st_idx = database.get_index_type<sidechain_transaction_index>().indices().get<by_object_id>();
+         const auto st = st_idx.find(object_id);
+         if (st == st_idx.end()) {
+
+            std::string tx_str = "";
+
+            if (object_id.is<son_wallet_withdraw_id_type>()) {
+               const auto &idx = database.get_index_type<son_wallet_withdraw_index>().indices().get<by_id>();
+               const auto swwo = idx.find(object_id);
+               if (swwo != idx.end()) {
+                  tx_str = create_withdrawal_transaction(*swwo);
+               }
+            }
+
+            transaction_ok = (op_tx_str == tx_str);
+         }
+      }
+
+      should_approve = process_ok &&
+                       transaction_ok;
+      break;
+   }
+
+   case chain::operation::tag<chain::sidechain_transaction_sign_operation>::value: {
+      should_approve = true;
+      son_id_type signer = op_obj_idx_0.get<sidechain_transaction_sign_operation>().signer;
+      std::string signature = op_obj_idx_0.get<sidechain_transaction_sign_operation>().signature;
+      sidechain_transaction_id_type sidechain_transaction_id = op_obj_idx_0.get<sidechain_transaction_sign_operation>().sidechain_transaction_id;
+      const auto &st_idx = database.get_index_type<sidechain_transaction_index>().indices().get<by_id>();
+      const auto sto = st_idx.find(sidechain_transaction_id);
+      if (sto == st_idx.end()) {
+         should_approve = false;
+         break;
+      }
+
+      const auto &s_idx = database.get_index_type<son_index>().indices().get<by_id>();
+      const auto son = s_idx.find(signer);
+      if (son == s_idx.end()) {
+         should_approve = false;
+         break;
+      }
+
+      break;
+   }
+
+   case chain::operation::tag<chain::sidechain_transaction_settle_operation>::value: {
+      should_approve = true;
+      break;
+   }
+
+   default:
+      should_approve = false;
+      elog("==================================================");
+      elog("Proposal not considered for approval ${po}", ("po", po));
+      elog("==================================================");
+   }
+
+   return should_approve;
+}
+
+void sidechain_net_handler_ethereum::process_primary_wallet() {
+   const auto &swi = database.get_index_type<son_wallet_index>().indices().get<by_id>();
+   const auto &active_sw = swi.rbegin();
+   if (active_sw != swi.rend()) {
+
+      if ((active_sw->addresses.find(sidechain_type::ethereum) == active_sw->addresses.end()) ||
+          (active_sw->addresses.at(sidechain_type::ethereum).empty())) {
+
+         if (proposal_exists(chain::operation::tag<chain::son_wallet_update_operation>::value, active_sw->id)) {
+            return;
+         }
+
+         if (!plugin.can_son_participate(chain::operation::tag<chain::son_wallet_update_operation>::value, active_sw->id)) {
+            return;
+         }
+
+         const chain::global_property_object &gpo = database.get_global_properties();
+         proposal_create_operation proposal_op;
+         proposal_op.fee_paying_account = plugin.get_current_son_object().son_account;
+         uint32_t lifetime = (gpo.parameters.block_interval * gpo.active_witnesses.size()) * 3;
+         proposal_op.expiration_time = time_point_sec(database.head_block_time().sec_since_epoch() + lifetime);
+
+         son_wallet_update_operation swu_op;
+         swu_op.payer = gpo.parameters.son_account();
+         swu_op.son_wallet_id = active_sw->id;
+         swu_op.sidechain = sidechain_type::ethereum;
+         swu_op.address = wallet_contract_address;
+         proposal_op.proposed_ops.emplace_back(swu_op);
+
+         std::string tx_str = create_primary_wallet_transaction(gpo.active_sons, active_sw->id.operator std::string());
+         if (!tx_str.empty()) {
+            sidechain_transaction_create_operation stc_op;
+            stc_op.payer = gpo.parameters.son_account();
+            stc_op.object_id = active_sw->id;
+            stc_op.sidechain = sidechain;
+            stc_op.transaction = tx_str;
+            stc_op.signers = gpo.active_sons;
+            proposal_op.proposed_ops.emplace_back(stc_op);
+         }
+
+         signed_transaction trx = database.create_signed_transaction(plugin.get_private_key(plugin.get_current_son_id()), proposal_op);
+         try {
+            trx.validate();
+            database.push_transaction(trx, database::validation_steps::skip_block_size_check);
+            if (plugin.app().p2p_node())
+               plugin.app().p2p_node()->broadcast(net::trx_message(trx));
+            plugin.log_son_proposal_retry(chain::operation::tag<chain::son_wallet_update_operation>::value, active_sw->id);
+         } catch (fc::exception &e) {
+            elog("Sending proposal for son wallet update operation failed with exception ${e}", ("e", e.what()));
+            return;
+         }
+      }
+   }
+}
+
+void sidechain_net_handler_ethereum::process_sidechain_addresses() {
+   int temp = 0;
+}
+
+bool sidechain_net_handler_ethereum::process_deposit(const son_wallet_deposit_object &swdo) {
+   const chain::global_property_object &gpo = database.get_global_properties();
+
+   price asset_price = database.get<asset_object>(database.get_global_properties().parameters.eth_asset()).options.core_exchange_rate;
+   asset asset_to_issue = asset(swdo.peerplays_asset.amount * asset_price.quote.amount / asset_price.base.amount, database.get_global_properties().parameters.eth_asset());
+
+   proposal_create_operation proposal_op;
+   proposal_op.fee_paying_account = plugin.get_current_son_object().son_account;
+   uint32_t lifetime = (gpo.parameters.block_interval * gpo.active_witnesses.size()) * 3;
+   proposal_op.expiration_time = time_point_sec(database.head_block_time().sec_since_epoch() + lifetime);
+
+   son_wallet_deposit_process_operation swdp_op;
+   swdp_op.payer = gpo.parameters.son_account();
+   swdp_op.son_wallet_deposit_id = swdo.id;
+   proposal_op.proposed_ops.emplace_back(swdp_op);
+
+   asset_issue_operation ai_op;
+   ai_op.fee = database.current_fee_schedule().calculate_fee(ai_op);
+   ai_op.issuer = gpo.parameters.son_account();
+   ai_op.asset_to_issue = asset_to_issue;
+   ai_op.issue_to_account = swdo.peerplays_from;
+   proposal_op.proposed_ops.emplace_back(ai_op);
+
+   signed_transaction trx = database.create_signed_transaction(plugin.get_private_key(plugin.get_current_son_id()), proposal_op);
+   try {
+      trx.validate();
+      database.push_transaction(trx, database::validation_steps::skip_block_size_check);
+      if (plugin.app().p2p_node())
+         plugin.app().p2p_node()->broadcast(net::trx_message(trx));
+      return true;
+   } catch (fc::exception &e) {
+      elog("Sending proposal for deposit sidechain transaction create operation failed with exception ${e}", ("e", e.what()));
+      return false;
+   }
+
+   return false;
+}
+
+bool sidechain_net_handler_ethereum::process_withdrawal(const son_wallet_withdraw_object &swwo) {
+
+   if (proposal_exists(chain::operation::tag<chain::son_wallet_withdraw_process_operation>::value, swwo.id)) {
+      return false;
+   }
+
+   std::string tx_str = create_withdrawal_transaction(swwo);
+
+   if (!tx_str.empty()) {
+      const chain::global_property_object &gpo = database.get_global_properties();
+
+      proposal_create_operation proposal_op;
+      proposal_op.fee_paying_account = plugin.get_current_son_object().son_account;
+      uint32_t lifetime = (gpo.parameters.block_interval * gpo.active_witnesses.size()) * 3;
+      proposal_op.expiration_time = time_point_sec(database.head_block_time().sec_since_epoch() + lifetime);
+
+      son_wallet_withdraw_process_operation swwp_op;
+      swwp_op.payer = gpo.parameters.son_account();
+      swwp_op.son_wallet_withdraw_id = swwo.id;
+      proposal_op.proposed_ops.emplace_back(swwp_op);
+
+      sidechain_transaction_create_operation stc_op;
+      stc_op.payer = gpo.parameters.son_account();
+      stc_op.object_id = swwo.id;
+      stc_op.sidechain = sidechain;
+      stc_op.transaction = tx_str;
+      stc_op.signers = gpo.active_sons;
+      proposal_op.proposed_ops.emplace_back(stc_op);
+
+      signed_transaction trx = database.create_signed_transaction(plugin.get_private_key(plugin.get_current_son_id()), proposal_op);
+      try {
+         trx.validate();
+         database.push_transaction(trx, database::validation_steps::skip_block_size_check);
+         if (plugin.app().p2p_node())
+            plugin.app().p2p_node()->broadcast(net::trx_message(trx));
+         return true;
+      } catch (fc::exception &e) {
+         elog("Sending proposal for withdraw sidechain transaction create operation failed with exception ${e}", ("e", e.what()));
+         return false;
+      }
+   }
+   return false;
+}
+
+std::string sidechain_net_handler_ethereum::process_sidechain_transaction(const sidechain_transaction_object &sto) {
+   return sign_transaction(sto);
+}
+
+std::string sidechain_net_handler_ethereum::send_sidechain_transaction(const sidechain_transaction_object &sto) {
+   boost::property_tree::ptree pt;
+   boost::property_tree::ptree pt_array;
+   for (const auto &signature : sto.signatures) {
+      const auto &transaction = signature.second;
+
+      //! Check if we have this signed transaction, if not, don't send it
+      if (transaction.empty())
+         continue;
+
+#ifdef SEND_RAW_TRANSACTION
+      const std::string sidechain_transaction = rpc_client->eth_send_raw_transaction(transaction);
+#else
+      const std::string sidechain_transaction = rpc_client->eth_send_transaction(transaction);
+#endif
+
+      std::stringstream ss_tx(sidechain_transaction);
+      boost::property_tree::ptree tx_json;
+      boost::property_tree::read_json(ss_tx, tx_json);
+      if (tx_json.count("result") && !tx_json.count("error")) {
+         boost::property_tree::ptree node;
+         node.put("transaction", transaction);
+         node.put("transaction_receipt", tx_json.get<std::string>("result"));
+         pt_array.push_back(std::make_pair("", node));
+      } else {
+         //! Fixme
+         //! How should we proceed with error in eth_send_transaction
+         elog("Error in eth_send_transaction for transaction ${id}, transaction ${transaction}", ("id", sto.id)("transaction", transaction));
+         return std::string{}; //! Return empty string, as we have error in sending
+      }
+   }
+   pt.add_child("result_array", pt_array);
+
+   std::stringstream ss;
+   boost::property_tree::json_parser::write_json(ss, pt);
+   return ss.str();
+}
+
+bool sidechain_net_handler_ethereum::settle_sidechain_transaction(const sidechain_transaction_object &sto, asset &settle_amount) {
+   std::stringstream ss(sto.sidechain_transaction);
+   boost::property_tree::ptree json;
+   boost::property_tree::read_json(ss, json);
+
+   if (!json.count("result_array")) {
+      return false;
+   }
+
+   size_t count = 0;
+   for (const auto &entry : json.get_child("result_array")) {
+      const std::string receipt = rpc_client->eth_get_transaction_receipt(entry.second.get<std::string>("transaction_receipt"));
+
+      std::stringstream ss_receipt(receipt);
+      boost::property_tree::ptree json_receipt;
+      boost::property_tree::read_json(ss_receipt, json_receipt);
+
+      if (json_receipt.get<std::string>("result") == "null") {
+         wlog("Block is not minted yet for transaction ${id}", ("id", sto.id));
+         return false;
+      }
+
+      if ("0x1" == json_receipt.get<std::string>("result.status")) {
+         count += 1;
+         //! Fixme - compare data somehow?
+         //if( sto.transaction == entry_receipt.second.get<std::string>("data") ) {
+         //}
+      }
+   }
+
+   //! Check that we have all transactions
+   if (count != json.get_child("result_array").size()) {
+      wlog("Not all receipts received for transaction ${id}", ("id", sto.id));
+      return false;
+   } else
+      return true;
+
+   return false;
+}
+
+std::string sidechain_net_handler_ethereum::create_primary_wallet_transaction(const std::vector<son_info> &son_pubkeys, const std::string &object_id) {
+   std::vector<std::pair<std::string, uint16_t>> owners_weights;
+   for (auto &son : son_pubkeys) {
+      FC_ASSERT(son.sidechain_public_keys.contains(sidechain_type::ethereum), "No public keys for son: ${son_id}", ("son_id", son.son_id));
+      const std::string pub_key_str = son.sidechain_public_keys.at(sidechain_type::ethereum);
+      owners_weights.emplace_back(std::make_pair(pub_key_str, son.weight));
+   }
+
+   const ethereum::update_owners_encoder encoder;
+   return encoder.encode(owners_weights, object_id);
+}
+
+std::string sidechain_net_handler_ethereum::create_deposit_transaction(const son_wallet_deposit_object &swdo) {
+   return "Deposit-Transaction";
+}
+
+std::string sidechain_net_handler_ethereum::create_withdrawal_transaction(const son_wallet_withdraw_object &swwo) {
+   const ethereum::withdrawal_encoder encoder;
+   return encoder.encode(swwo.withdraw_address.substr(2), swwo.withdraw_amount.value * 10000000000, swwo.id.operator std::string());
+}
+
+std::string sidechain_net_handler_ethereum::sign_transaction(const sidechain_transaction_object &sto) {
+   const auto &current_son = plugin.get_current_son_object();
+   FC_ASSERT(current_son.sidechain_public_keys.contains(sidechain_type::ethereum), "No public keys for current son: ${account_id}", ("account_id", current_son.son_account));
+
+   const auto &public_key = current_son.sidechain_public_keys.at(sidechain);
+
+#ifdef SEND_RAW_TRANSACTION
+   ethereum::raw_transaction raw_tr;
+   raw_tr.nonce = rpc_client->get_nonce(ethereum::add_0x(public_key));
+   raw_tr.gas_price = rpc_client->get_gas_price();
+   raw_tr.gas_limit = rpc_client->get_gas_limit();
+   raw_tr.to = wallet_contract_address;
+   raw_tr.value = "";
+   raw_tr.data = sto.transaction;
+   raw_tr.chain_id = ethereum::add_0x(ethereum::to_hex(chain_id));
+
+   const auto sign_tr = raw_tr.sign(get_private_key(public_key));
+   return sign_tr.serialize();
+#else
+   ethereum::transaction sign_transaction;
+   sign_transaction.data = sto.transaction;
+   sign_transaction.to = wallet_contract_address;
+   sign_transaction.from = "0x" + public_key;
+   return sign_transaction.sign(get_private_key(public_key)).serialize();
+#endif
+}
+
+void sidechain_net_handler_ethereum::schedule_ethereum_listener() {
+   fc::time_point now = fc::time_point::now();
+   int64_t time_to_next = 5000;
+
+   fc::time_point next_wakeup(now + fc::milliseconds(time_to_next));
+
+   _listener_task = fc::schedule([this] {
+      ethereum_listener_loop();
+   },
+                                 next_wakeup, "SON Ethereum listener task");
+}
+
+void sidechain_net_handler_ethereum::ethereum_listener_loop() {
+   schedule_ethereum_listener();
+
+   std::string reply = rpc_client->eth_get_block_by_number("latest", false);
+   //std::string reply = rpc_client->eth_get_logs(wallet_contract_address);
+   if (!reply.empty()) {
+      std::stringstream ss(reply);
+      boost::property_tree::ptree json;
+      boost::property_tree::read_json(ss, json);
+      if (json.count("result")) {
+         std::string head_block_number_s = json.get<std::string>("result.number");
+         uint64_t head_block_number = std::strtoul(head_block_number_s.c_str(), nullptr, 16);
+         if (head_block_number != last_block_received) {
+            std::string event_data = std::to_string(head_block_number);
+            handle_event(event_data);
+            last_block_received = head_block_number;
+         }
+      }
+   }
+}
+
+void sidechain_net_handler_ethereum::handle_event(const std::string &event_data) {
+   std::string block = rpc_client->eth_get_block_by_number("latest", true);
+   if (block != "") {
+      add_to_son_listener_log("BLOCK   : " + event_data);
+      std::stringstream ss(block);
+      boost::property_tree::ptree block_json;
+      boost::property_tree::read_json(ss, block_json);
+
+      size_t tx_idx = -1;
+      for (const auto &tx_child : block_json.get_child("result.transactions")) {
+         boost::property_tree::ptree tx = tx_child.second;
+         tx_idx = tx_idx + 1;
+
+         std::string from = tx.get<std::string>("from");
+         std::string to = tx.get<std::string>("to");
+
+         std::string cmp_to = to;
+         std::transform(cmp_to.begin(), cmp_to.end(), cmp_to.begin(), ::toupper);
+         std::string cmp_wallet_contract_address = wallet_contract_address;
+         std::transform(cmp_wallet_contract_address.begin(), cmp_wallet_contract_address.end(), cmp_wallet_contract_address.begin(), ::toupper);
+
+         if (cmp_to == cmp_wallet_contract_address) {
+
+            std::string value_s = tx.get<std::string>("value");
+            boost::multiprecision::uint256_t amount(value_s);
+            amount = amount / 100000;
+            amount = amount / 100000;
+
+            const auto &sidechain_addresses_idx = database.get_index_type<sidechain_address_index>().indices().get<by_sidechain_and_deposit_address_and_expires>();
+            const auto &addr_itr = sidechain_addresses_idx.find(std::make_tuple(sidechain, from, time_point_sec::maximum()));
+            if (addr_itr == sidechain_addresses_idx.end()) {
+               continue;
+            }
+
+            std::stringstream ss;
+            ss << "ethereum"
+               << "-" << tx.get<std::string>("hash") << "-" << tx_idx;
+            std::string sidechain_uid = ss.str();
+
+            sidechain_event_data sed;
+            sed.timestamp = database.head_block_time();
+            sed.block_num = database.head_block_num();
+            sed.sidechain = sidechain;
+            sed.sidechain_uid = sidechain_uid;
+            sed.sidechain_transaction_id = tx.get<std::string>("hash");
+            sed.sidechain_from = from;
+            sed.sidechain_to = to;
+            sed.sidechain_currency = "ETH";
+            sed.sidechain_amount = amount;
+            sed.peerplays_from = addr_itr->sidechain_address_account;
+            sed.peerplays_to = database.get_global_properties().parameters.son_account();
+            price eth_price = database.get<asset_object>(database.get_global_properties().parameters.eth_asset()).options.core_exchange_rate;
+            sed.peerplays_asset = asset(sed.sidechain_amount * eth_price.base.amount / eth_price.quote.amount);
+
+            add_to_son_listener_log("TRX     : " + sed.sidechain_transaction_id);
+
+            sidechain_event_data_received(sed);
+         }
+      }
+   }
+}
+
+}} // namespace graphene::peerplays_sidechain

libraries/plugins/peerplays_sidechain/sidechain_net_handler_hive.cpp

@@ -28,25 +28,23 @@
 #include <graphene/peerplays_sidechain/hive/transaction.hpp>
 #include <graphene/utilities/key_conversion.hpp>
 
-#include <boost/asio.hpp>
-
 namespace graphene { namespace peerplays_sidechain {
 
-hive_node_rpc_client::hive_node_rpc_client(const std::string &url, const std::string &user_name, const std::string &password, bool debug_rpc_calls) :
+hive_rpc_client::hive_rpc_client(const std::string &url, const std::string &user_name, const std::string &password, bool debug_rpc_calls) :
       rpc_client(url, user_name, password, debug_rpc_calls) {
 }
 
-std::string hive_node_rpc_client::account_history_api_get_transaction(std::string transaction_id) {
+std::string hive_rpc_client::account_history_api_get_transaction(std::string transaction_id) {
    std::string params = "{ \"id\": \"" + transaction_id + "\" }";
    return send_post_request("account_history_api.get_transaction", params, debug_rpc_calls);
 }
 
-std::string hive_node_rpc_client::block_api_get_block(uint32_t block_number) {
+std::string hive_rpc_client::block_api_get_block(uint32_t block_number) {
    std::string params = "{ \"block_num\": " + std::to_string(block_number) + " }";
    return send_post_request("block_api.get_block", params, debug_rpc_calls);
 }
 
-std::string hive_node_rpc_client::condenser_api_get_accounts(std::vector<std::string> accounts) {
+std::string hive_rpc_client::condenser_api_get_accounts(std::vector<std::string> accounts) {
    std::string params = "";
    for (auto account : accounts) {
       if (!params.empty()) {
@@ -58,58 +56,58 @@ std::string hive_node_rpc_client::condenser_api_get_accounts(std::vector<std::st
    return send_post_request("condenser_api.get_accounts", params, debug_rpc_calls);
 }
 
-std::string hive_node_rpc_client::condenser_api_get_config() {
+std::string hive_rpc_client::condenser_api_get_config() {
    std::string params = "[]";
    return send_post_request("condenser_api.get_config", params, debug_rpc_calls);
 }
 
-std::string hive_node_rpc_client::database_api_get_dynamic_global_properties() {
+std::string hive_rpc_client::database_api_get_dynamic_global_properties() {
    return send_post_request("database_api.get_dynamic_global_properties", "", debug_rpc_calls);
 }
 
-std::string hive_node_rpc_client::database_api_get_version() {
+std::string hive_rpc_client::database_api_get_version() {
    return send_post_request("database_api.get_version", "", debug_rpc_calls);
 }
 
-std::string hive_node_rpc_client::network_broadcast_api_broadcast_transaction(std::string htrx) {
+std::string hive_rpc_client::network_broadcast_api_broadcast_transaction(std::string htrx) {
    std::string params = "{ \"trx\": " + htrx + ", \"max_block_age\": -1 }";
    return send_post_request("network_broadcast_api.broadcast_transaction", params, debug_rpc_calls);
 }
 
-std::string hive_node_rpc_client::get_account(std::string account) {
+std::string hive_rpc_client::get_account(std::string account) {
    std::vector<std::string> accounts;
    accounts.push_back(account);
    std::string reply_str = condenser_api_get_accounts(accounts);
    return retrieve_array_value_from_reply(reply_str, "", 0);
 }
 
-std::string hive_node_rpc_client::get_account_memo_key(std::string account) {
+std::string hive_rpc_client::get_account_memo_key(std::string account) {
    std::string reply_str = get_account(account);
    reply_str = "{\"result\":" + reply_str + "}";
    return retrieve_value_from_reply(reply_str, "memo_key");
 }
 
-std::string hive_node_rpc_client::get_chain_id() {
+std::string hive_rpc_client::get_chain_id() {
    std::string reply_str = database_api_get_version();
    return retrieve_value_from_reply(reply_str, "chain_id");
 }
 
-std::string hive_node_rpc_client::get_head_block_id() {
+std::string hive_rpc_client::get_head_block_id() {
    std::string reply_str = database_api_get_dynamic_global_properties();
    return retrieve_value_from_reply(reply_str, "head_block_id");
 }
 
-std::string hive_node_rpc_client::get_head_block_time() {
+std::string hive_rpc_client::get_head_block_time() {
    std::string reply_str = database_api_get_dynamic_global_properties();
    return retrieve_value_from_reply(reply_str, "time");
 }
 
-std::string hive_node_rpc_client::get_is_test_net() {
+std::string hive_rpc_client::get_is_test_net() {
    std::string reply_str = condenser_api_get_config();
    return retrieve_value_from_reply(reply_str, "IS_TEST_NET");
 }
 
-std::string hive_node_rpc_client::get_last_irreversible_block_num() {
+std::string hive_rpc_client::get_last_irreversible_block_num() {
    std::string reply_str = database_api_get_dynamic_global_properties();
    return retrieve_value_from_reply(reply_str, "last_irreversible_block_num");
 }
@@ -122,18 +120,20 @@ sidechain_net_handler_hive::sidechain_net_handler_hive(peerplays_sidechain_plugi
       debug_rpc_calls = options.at("debug-rpc-calls").as<bool>();
    }
 
-   node_rpc_url = options.at("hive-node-rpc-url").as<std::string>();
-   if (options.count("hive-node-rpc-user")) {
-      node_rpc_user = options.at("hive-node-rpc-user").as<std::string>();
+   rpc_url = options.at("hive-node-rpc-url").as<std::string>();
+   if (options.count("hive-rpc-user")) {
+      rpc_user = options.at("hive-rpc-user").as<std::string>();
    } else {
-      node_rpc_user = "";
+      rpc_user = "";
    }
-   if (options.count("hive-node-rpc-password")) {
-      node_rpc_password = options.at("hive-node-rpc-password").as<std::string>();
+   if (options.count("hive-rpc-password")) {
+      rpc_password = options.at("hive-rpc-password").as<std::string>();
    } else {
-      node_rpc_password = "";
+      rpc_password = "";
    }
 
+   wallet_account_name = options.at("hive-wallet-account-name").as<std::string>();
+
    if (options.count("hive-private-key")) {
       const std::vector<std::string> pub_priv_keys = options["hive-private-key"].as<std::vector<std::string>>();
       for (const std::string &itr_key_pair : pub_priv_keys) {
@@ -146,16 +146,16 @@ sidechain_net_handler_hive::sidechain_net_handler_hive(peerplays_sidechain_plugi
       }
    }
 
-   node_rpc_client = new hive_node_rpc_client(node_rpc_url, node_rpc_user, node_rpc_password, debug_rpc_calls);
+   rpc_client = new hive_rpc_client(rpc_url, rpc_user, rpc_password, debug_rpc_calls);
 
-   std::string chain_id_str = node_rpc_client->get_chain_id();
+   std::string chain_id_str = rpc_client->get_chain_id();
    if (chain_id_str.empty()) {
-      elog("No Hive node running at ${url}", ("url", node_rpc_url));
+      elog("No Hive node running at ${url}", ("url", rpc_url));
       FC_ASSERT(false);
    }
    chain_id = chain_id_type(chain_id_str);
 
-   std::string is_test_net = node_rpc_client->get_is_test_net();
+   std::string is_test_net = rpc_client->get_is_test_net();
    network_type = is_test_net.compare("true") == 0 ? hive::network::testnet : hive::network::mainnet;
    if (network_type == hive::network::mainnet) {
       ilog("Running on Hive mainnet, chain id ${chain_id_str}", ("chain_id_str", chain_id_str));
@@ -225,7 +225,7 @@ bool sidechain_net_handler_hive::process_proposal(const proposal_object &po) {
          }
 
          if (son_sets_equal) {
-            address_ok = (op_obj_idx_0.get<son_wallet_update_operation>().address == "son-account");
+            address_ok = (op_obj_idx_0.get<son_wallet_update_operation>().address == wallet_account_name);
          }
 
          if (po.proposed_transaction.operations.size() >= 2) {
@@ -254,14 +254,14 @@ bool sidechain_net_handler_hive::process_proposal(const proposal_object &po) {
                         account_auths[wallet_son.sidechain_public_keys.at(sidechain)] = wallet_son.weight;
                      }
 
-                     std::string memo_key = node_rpc_client->get_account_memo_key("son-account");
+                     std::string memo_key = rpc_client->get_account_memo_key(wallet_account_name);
 
                      hive::authority active;
                      active.weight_threshold = total_weight * 2 / 3 + 1;
                      active.account_auths = account_auths;
 
                      hive::account_update_operation auo;
-                     auo.account = "son-account";
+                     auo.account = wallet_account_name;
                      auo.active = active;
                      auo.memo_key = op_trx.operations[0].get<hive::account_update_operation>().memo_key;
 
@@ -303,7 +303,7 @@ bool sidechain_net_handler_hive::process_proposal(const proposal_object &po) {
          uint64_t swdo_sidechain_amount = swdo->sidechain_amount.value;
          uint64_t swdo_op_idx = std::stoll(swdo->sidechain_uid.substr(swdo->sidechain_uid.find_last_of("-")));
 
-         std::string tx_str = node_rpc_client->account_history_api_get_transaction(swdo_txid);
+         std::string tx_str = rpc_client->account_history_api_get_transaction(swdo_txid);
          if (tx_str != "") {
 
             std::stringstream ss_tx(tx_str);
@@ -408,7 +408,7 @@ bool sidechain_net_handler_hive::process_proposal(const proposal_object &po) {
                   }
 
                   hive::transfer_operation t_op;
-                  t_op.from = "son-account";
+                  t_op.from = wallet_account_name;
                   t_op.to = swwo->withdraw_address;
                   t_op.amount.amount = swwo->withdraw_amount;
                   t_op.amount.symbol = symbol;
@@ -495,7 +495,7 @@ void sidechain_net_handler_hive::process_primary_wallet() {
             account_auths[active_son.sidechain_public_keys.at(sidechain)] = active_son.weight;
          }
 
-         std::string memo_key = node_rpc_client->get_account_memo_key("son-account");
+         std::string memo_key = rpc_client->get_account_memo_key(wallet_account_name);
 
          if (memo_key.empty()) {
             return;
@@ -506,14 +506,14 @@ void sidechain_net_handler_hive::process_primary_wallet() {
          active.account_auths = account_auths;
 
          hive::account_update_operation auo;
-         auo.account = "son-account";
+         auo.account = wallet_account_name;
          auo.active = active;
          auo.memo_key = hive::public_key_type(memo_key);
 
-         std::string block_id_str = node_rpc_client->get_head_block_id();
+         std::string block_id_str = rpc_client->get_head_block_id();
          hive::block_id_type head_block_id(block_id_str);
 
-         std::string head_block_time_str = node_rpc_client->get_head_block_time();
+         std::string head_block_time_str = rpc_client->get_head_block_time();
          time_point head_block_time = fc::time_point_sec::from_iso_string(head_block_time_str);
 
          hive::signed_transaction htrx;
@@ -538,7 +538,7 @@ void sidechain_net_handler_hive::process_primary_wallet() {
          swu_op.payer = gpo.parameters.son_account();
          swu_op.son_wallet_id = active_sw->id;
          swu_op.sidechain = sidechain;
-         swu_op.address = "son-account";
+         swu_op.address = wallet_account_name;
 
          proposal_op.proposed_ops.emplace_back(swu_op);
 
@@ -662,16 +662,16 @@ bool sidechain_net_handler_hive::process_withdrawal(const son_wallet_withdraw_ob
    }
 
    hive::transfer_operation t_op;
-   t_op.from = "son-account";
+   t_op.from = wallet_account_name;
    t_op.to = swwo.withdraw_address;
    t_op.amount.amount = swwo.withdraw_amount;
    t_op.amount.symbol = symbol;
    t_op.memo = "";
 
-   std::string block_id_str = node_rpc_client->get_head_block_id();
+   std::string block_id_str = rpc_client->get_head_block_id();
    hive::block_id_type head_block_id(block_id_str);
 
-   std::string head_block_time_str = node_rpc_client->get_head_block_time();
+   std::string head_block_time_str = rpc_client->get_head_block_time();
    time_point head_block_time = fc::time_point_sec::from_iso_string(head_block_time_str);
 
    hive::signed_transaction htrx;
@@ -727,7 +727,7 @@ std::string sidechain_net_handler_hive::process_sidechain_transaction(const side
    hive::signed_transaction htrx;
    fc::raw::unpack(ss_trx, htrx, 1000);
 
-   std::string chain_id_str = node_rpc_client->get_chain_id();
+   std::string chain_id_str = rpc_client->get_chain_id();
    const hive::chain_id_type chain_id(chain_id_str);
 
    fc::optional<fc::ecc::private_key> privkey = graphene::utilities::wif_to_key(get_private_key(plugin.get_current_son_object().sidechain_public_keys.at(sidechain)));
@@ -755,7 +755,7 @@ std::string sidechain_net_handler_hive::send_sidechain_transaction(const sidecha
    }
 
    std::string params = fc::json::to_string(htrx);
-   node_rpc_client->network_broadcast_api_broadcast_transaction(params);
+   rpc_client->network_broadcast_api_broadcast_transaction(params);
 
    return htrx.id().str();
 }
@@ -770,7 +770,7 @@ bool sidechain_net_handler_hive::settle_sidechain_transaction(const sidechain_tr
       return false;
    }
 
-   std::string tx_str = node_rpc_client->account_history_api_get_transaction(sto.sidechain_transaction);
+   std::string tx_str = rpc_client->account_history_api_get_transaction(sto.sidechain_transaction);
    if (tx_str != "") {
 
       std::stringstream ss_tx(tx_str);
@@ -781,7 +781,7 @@ bool sidechain_net_handler_hive::settle_sidechain_transaction(const sidechain_tr
 
       std::string tx_txid = tx_json.get<std::string>("result.transaction_id");
       uint32_t tx_block_num = tx_json.get<uint32_t>("result.block_num");
-      uint32_t last_irreversible_block = std::stoul(node_rpc_client->get_last_irreversible_block_num());
+      uint32_t last_irreversible_block = std::stoul(rpc_client->get_last_irreversible_block_num());
 
       //std::string tx_address = addr.get_address();
       //int64_t tx_amount = -1;
@@ -817,7 +817,7 @@ void sidechain_net_handler_hive::schedule_hive_listener() {
 void sidechain_net_handler_hive::hive_listener_loop() {
    schedule_hive_listener();
 
-   std::string reply = node_rpc_client->database_api_get_dynamic_global_properties();
+   std::string reply = rpc_client->database_api_get_dynamic_global_properties();
    if (!reply.empty()) {
       std::stringstream ss(reply);
       boost::property_tree::ptree json;
@@ -832,7 +832,7 @@ void sidechain_net_handler_hive::hive_listener_loop() {
       }
    }
 
-   //std::string reply = node_rpc_client->get_last_irreversible_block_num();
+   //std::string reply = rpc_client->get_last_irreversible_block_num();
    //if (!reply.empty()) {
    //   uint64_t last_irreversible_block = std::stoul(reply);
    //   if (last_irreversible_block != last_block_received) {
@@ -844,7 +844,7 @@ void sidechain_net_handler_hive::hive_listener_loop() {
 }
 
 void sidechain_net_handler_hive::handle_event(const std::string &event_data) {
-   std::string block = node_rpc_client->block_api_get_block(std::atoll(event_data.c_str()));
+   std::string block = rpc_client->block_api_get_block(std::atoll(event_data.c_str()));
    if (block != "") {
       add_to_son_listener_log("BLOCK   : " + event_data);
       std::stringstream ss(block);
@@ -869,7 +869,7 @@ void sidechain_net_handler_hive::handle_event(const std::string &event_data) {
                std::string from = op_value.get<std::string>("from");
                std::string to = op_value.get<std::string>("to");
 
-               if (to == "son-account") {
+               if (to == wallet_account_name) {
 
                   const auto &amount_child = op_value.get_child("amount");
 

libraries/plugins/peerplays_sidechain/sidechain_net_manager.cpp

@@ -3,6 +3,7 @@
 #include <fc/log/logger.hpp>
 #include <graphene/chain/son_wallet_object.hpp>
 #include <graphene/peerplays_sidechain/sidechain_net_handler_bitcoin.hpp>
+#include <graphene/peerplays_sidechain/sidechain_net_handler_ethereum.hpp>
 #include <graphene/peerplays_sidechain/sidechain_net_handler_hive.hpp>
 #include <graphene/peerplays_sidechain/sidechain_net_handler_peerplays.hpp>
 
@@ -31,6 +32,12 @@ bool sidechain_net_manager::create_handler(sidechain_type sidechain, const boost
       ret_val = true;
       break;
    }
+   case sidechain_type::ethereum: {
+      std::unique_ptr<sidechain_net_handler> h = std::unique_ptr<sidechain_net_handler>(new sidechain_net_handler_ethereum(plugin, options));
+      net_handlers.push_back(std::move(h));
+      ret_val = true;
+      break;
+   }
    case sidechain_type::hive: {
       std::unique_ptr<sidechain_net_handler> h = std::unique_ptr<sidechain_net_handler>(new sidechain_net_handler_hive(plugin, options));
       net_handlers.push_back(std::move(h));

libraries/sha3/CMakeLists.txt

@@ -0,0 +1,16 @@
+file(GLOB HEADERS "include/sha3/*.h")
+
+add_library( sha3
+   memzero.c
+   sha3.c
+)
+
+target_include_directories( sha3 PUBLIC ${CMAKE_CURRENT_LIST_DIR}/include )
+target_compile_definitions( sha3 PUBLIC USE_KECCAK=1 )
+
+install( TARGETS
+   sha3
+   RUNTIME DESTINATION bin
+   LIBRARY DESTINATION lib
+   ARCHIVE DESTINATION lib
+)

libraries/sha3/include/sha3/memzero.h

@@ -0,0 +1,16 @@
+#ifndef __MEMZERO_H__
+#define __MEMZERO_H__
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+void memzero(void* const pnt, const size_t len);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif

libraries/sha3/include/sha3/sha3.h

@@ -0,0 +1,88 @@
+/* sha3.h - an implementation of Secure Hash Algorithm 3 (Keccak).
+ * based on the
+ * The Keccak SHA-3 submission. Submission to NIST (Round 3), 2011
+ * by Guido Bertoni, Joan Daemen, Michaël Peeters and Gilles Van Assche
+ *
+ * Copyright: 2013 Aleksey Kravchenko <rhash.admin@gmail.com>
+ *
+ * Permission is hereby granted,  free of charge,  to any person  obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction,  including without limitation
+ * the rights to  use, copy, modify,  merge, publish, distribute, sublicense,
+ * and/or sell copies  of  the Software,  and to permit  persons  to whom the
+ * Software is furnished to do so.
+ *
+ * This program  is  distributed  in  the  hope  that it will be useful,  but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  Use this program  at  your own risk!
+ */
+
+#ifndef __SHA3_H__
+#define __SHA3_H__
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define sha3_224_hash_size  28
+#define sha3_256_hash_size  32
+#define sha3_384_hash_size  48
+#define sha3_512_hash_size  64
+#define sha3_max_permutation_size 25
+#define sha3_max_rate_in_qwords 24
+
+#define SHA3_224_BLOCK_LENGTH   144
+#define SHA3_256_BLOCK_LENGTH   136
+#define SHA3_384_BLOCK_LENGTH   104
+#define SHA3_512_BLOCK_LENGTH   72
+
+#define SHA3_224_DIGEST_LENGTH  sha3_224_hash_size
+#define SHA3_256_DIGEST_LENGTH  sha3_256_hash_size
+#define SHA3_384_DIGEST_LENGTH  sha3_384_hash_size
+#define SHA3_512_DIGEST_LENGTH  sha3_512_hash_size
+
+/**
+ * SHA3 Algorithm context.
+ */
+typedef struct SHA3_CTX
+{
+	/* 1600 bits algorithm hashing state */
+	uint64_t hash[sha3_max_permutation_size];
+	/* 1536-bit buffer for leftovers */
+	uint64_t message[sha3_max_rate_in_qwords];
+	/* count of bytes in the message[] buffer */
+	unsigned rest;
+	/* size of a message block processed at once */
+	unsigned block_size;
+} SHA3_CTX;
+
+/* methods for calculating the hash function */
+
+void sha3_224_Init(SHA3_CTX *ctx);
+void sha3_256_Init(SHA3_CTX *ctx);
+void sha3_384_Init(SHA3_CTX *ctx);
+void sha3_512_Init(SHA3_CTX *ctx);
+void sha3_Update(SHA3_CTX *ctx, const unsigned char* msg, size_t size);
+void sha3_Final(SHA3_CTX *ctx, unsigned char* result);
+
+#if USE_KECCAK
+#define keccak_224_Init sha3_224_Init
+#define keccak_256_Init sha3_256_Init
+#define keccak_384_Init sha3_384_Init
+#define keccak_512_Init sha3_512_Init
+#define keccak_Update sha3_Update
+void keccak_Final(SHA3_CTX *ctx, unsigned char* result);
+void keccak_256(const unsigned char* data, size_t len, unsigned char* digest);
+void keccak_512(const unsigned char* data, size_t len, unsigned char* digest);
+#endif
+
+void sha3_256(const unsigned char* data, size_t len, unsigned char* digest);
+void sha3_512(const unsigned char* data, size_t len, unsigned char* digest);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* __SHA3_H__ */

libraries/sha3/memzero.c

@@ -0,0 +1,75 @@
+#ifndef __STDC_WANT_LIB_EXT1__
+#define __STDC_WANT_LIB_EXT1__ 1  // C11's bounds-checking interface.
+#endif
+#include <string.h>
+
+#ifdef _WIN32
+#include <Windows.h>
+#endif
+
+#ifdef __unix__
+#include <strings.h>
+#include <sys/param.h>
+#endif
+
+// C11's bounds-checking interface.
+#if defined(__STDC_LIB_EXT1__)
+#define HAVE_MEMSET_S 1
+#endif
+
+// GNU C Library version 2.25 or later.
+#if defined(__GLIBC__) && \
+    (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 25))
+#define HAVE_EXPLICIT_BZERO 1
+#endif
+
+// Newlib
+#if defined(__NEWLIB__)
+#define HAVE_EXPLICIT_BZERO 1
+#endif
+
+// FreeBSD version 11.0 or later.
+#if defined(__FreeBSD__) && __FreeBSD_version >= 1100037
+#define HAVE_EXPLICIT_BZERO 1
+#endif
+
+// OpenBSD version 5.5 or later.
+#if defined(__OpenBSD__) && OpenBSD >= 201405
+#define HAVE_EXPLICIT_BZERO 1
+#endif
+
+// NetBSD version 7.2 or later.
+#if defined(__NetBSD__) && __NetBSD_Version__ >= 702000000
+#define HAVE_EXPLICIT_MEMSET 1
+#endif
+
+// Adapted from
+// https://github.com/jedisct1/libsodium/blob/1647f0d53ae0e370378a9195477e3df0a792408f/src/libsodium/sodium/utils.c#L102-L130
+
+void memzero(void *const pnt, const size_t len) {
+#ifdef _WIN32
+  SecureZeroMemory(pnt, len);
+#elif defined(HAVE_MEMSET_S)
+  memset_s(pnt, (rsize_t)len, 0, (rsize_t)len);
+#elif defined(HAVE_EXPLICIT_BZERO)
+  explicit_bzero(pnt, len);
+#elif defined(HAVE_EXPLICIT_MEMSET)
+  explicit_memset(pnt, 0, len);
+#else
+  volatile unsigned char *volatile pnt_ = (volatile unsigned char *volatile)pnt;
+  size_t i = (size_t)0U;
+
+  while (i < len) {
+    pnt_[i++] = 0U;
+  }
+#endif
+
+  // explicitly mark the memory as overwritten for the Clang MemorySanitizer
+  // this is only included at compile time if MemorySanitizer is enabled and
+  // should not come with any downsides during regular builds
+#if defined(__has_feature)
+#if __has_feature(memory_sanitizer)
+  memset(pnt, 0, len);
+#endif
+#endif
+}

libraries/sha3/sha3.c

@@ -0,0 +1,397 @@
+/* sha3.c - an implementation of Secure Hash Algorithm 3 (Keccak).
+ * based on the
+ * The Keccak SHA-3 submission. Submission to NIST (Round 3), 2011
+ * by Guido Bertoni, Joan Daemen, Michaël Peeters and Gilles Van Assche
+ *
+ * Copyright: 2013 Aleksey Kravchenko <rhash.admin@gmail.com>
+ *
+ * Permission is hereby granted,  free of charge,  to any person  obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction,  including without limitation
+ * the rights to  use, copy, modify,  merge, publish, distribute, sublicense,
+ * and/or sell copies  of  the Software,  and to permit  persons  to whom the
+ * Software is furnished to do so.
+ *
+ * This program  is  distributed  in  the  hope  that it will be useful,  but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  Use this program  at  your own risk!
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <sha3/sha3.h>
+#include <sha3/memzero.h>
+
+#define I64(x) x##LL
+#define ROTL64(qword, n) ((qword) << (n) ^ ((qword) >> (64 - (n))))
+#define le2me_64(x) (x)
+#define IS_ALIGNED_64(p) (0 == (7 & ((long)(p))))  // [wallet-core] pointer/numerical type, for MacOS SDK 12.3
+# define me64_to_le_str(to, from, length) memcpy((to), (from), (length))
+
+/* constants */
+#define NumberOfRounds 24
+
+/* SHA3 (Keccak) constants for 24 rounds */
+uint64_t keccak_round_constants[NumberOfRounds] = {
+	I64(0x0000000000000001), I64(0x0000000000008082), I64(0x800000000000808A), I64(0x8000000080008000),
+	I64(0x000000000000808B), I64(0x0000000080000001), I64(0x8000000080008081), I64(0x8000000000008009),
+	I64(0x000000000000008A), I64(0x0000000000000088), I64(0x0000000080008009), I64(0x000000008000000A),
+	I64(0x000000008000808B), I64(0x800000000000008B), I64(0x8000000000008089), I64(0x8000000000008003),
+	I64(0x8000000000008002), I64(0x8000000000000080), I64(0x000000000000800A), I64(0x800000008000000A),
+	I64(0x8000000080008081), I64(0x8000000000008080), I64(0x0000000080000001), I64(0x8000000080008008)
+};
+
+/* Initializing a sha3 context for given number of output bits */
+static void keccak_Init(SHA3_CTX *ctx, unsigned bits)
+{
+	/* NB: The Keccak capacity parameter = bits * 2 */
+	unsigned rate = 1600 - bits * 2;
+
+	memzero(ctx, sizeof(SHA3_CTX));
+	ctx->block_size = rate / 8;
+	assert(rate <= 1600 && (rate % 64) == 0);
+}
+
+/**
+ * Initialize context before calculating hash.
+ *
+ * @param ctx context to initialize
+ */
+void sha3_224_Init(SHA3_CTX *ctx)
+{
+	keccak_Init(ctx, 224);
+}
+
+/**
+ * Initialize context before calculating hash.
+ *
+ * @param ctx context to initialize
+ */
+void sha3_256_Init(SHA3_CTX *ctx)
+{
+	keccak_Init(ctx, 256);
+}
+
+/**
+ * Initialize context before calculating hash.
+ *
+ * @param ctx context to initialize
+ */
+void sha3_384_Init(SHA3_CTX *ctx)
+{
+	keccak_Init(ctx, 384);
+}
+
+/**
+ * Initialize context before calculating hash.
+ *
+ * @param ctx context to initialize
+ */
+void sha3_512_Init(SHA3_CTX *ctx)
+{
+	keccak_Init(ctx, 512);
+}
+
+/* Keccak theta() transformation */
+static void keccak_theta(uint64_t *A)
+{
+	unsigned int x = 0;
+	uint64_t C[5] = {0}, D[5] = {0};
+
+	for (x = 0; x < 5; x++) {
+		C[x] = A[x] ^ A[x + 5] ^ A[x + 10] ^ A[x + 15] ^ A[x + 20];
+	}
+	D[0] = ROTL64(C[1], 1) ^ C[4];
+	D[1] = ROTL64(C[2], 1) ^ C[0];
+	D[2] = ROTL64(C[3], 1) ^ C[1];
+	D[3] = ROTL64(C[4], 1) ^ C[2];
+	D[4] = ROTL64(C[0], 1) ^ C[3];
+
+	for (x = 0; x < 5; x++) {
+		A[x]      ^= D[x];
+		A[x + 5]  ^= D[x];
+		A[x + 10] ^= D[x];
+		A[x + 15] ^= D[x];
+		A[x + 20] ^= D[x];
+	}
+}
+
+/* Keccak pi() transformation */
+static void keccak_pi(uint64_t *A)
+{
+	uint64_t A1 = 0;
+	A1 = A[1];
+	A[ 1] = A[ 6];
+	A[ 6] = A[ 9];
+	A[ 9] = A[22];
+	A[22] = A[14];
+	A[14] = A[20];
+	A[20] = A[ 2];
+	A[ 2] = A[12];
+	A[12] = A[13];
+	A[13] = A[19];
+	A[19] = A[23];
+	A[23] = A[15];
+	A[15] = A[ 4];
+	A[ 4] = A[24];
+	A[24] = A[21];
+	A[21] = A[ 8];
+	A[ 8] = A[16];
+	A[16] = A[ 5];
+	A[ 5] = A[ 3];
+	A[ 3] = A[18];
+	A[18] = A[17];
+	A[17] = A[11];
+	A[11] = A[ 7];
+	A[ 7] = A[10];
+	A[10] = A1;
+	/* note: A[ 0] is left as is */
+}
+
+/* Keccak chi() transformation */
+static void keccak_chi(uint64_t *A)
+{
+	int i = 0;
+	for (i = 0; i < 25; i += 5) {
+		uint64_t A0 = A[0 + i], A1 = A[1 + i];
+		A[0 + i] ^= ~A1 & A[2 + i];
+		A[1 + i] ^= ~A[2 + i] & A[3 + i];
+		A[2 + i] ^= ~A[3 + i] & A[4 + i];
+		A[3 + i] ^= ~A[4 + i] & A0;
+		A[4 + i] ^= ~A0 & A1;
+	}
+}
+
+static void sha3_permutation(uint64_t *state)
+{
+	int round = 0;
+	for (round = 0; round < NumberOfRounds; round++)
+	{
+		keccak_theta(state);
+
+		/* apply Keccak rho() transformation */
+		state[ 1] = ROTL64(state[ 1],  1);
+		state[ 2] = ROTL64(state[ 2], 62);
+		state[ 3] = ROTL64(state[ 3], 28);
+		state[ 4] = ROTL64(state[ 4], 27);
+		state[ 5] = ROTL64(state[ 5], 36);
+		state[ 6] = ROTL64(state[ 6], 44);
+		state[ 7] = ROTL64(state[ 7],  6);
+		state[ 8] = ROTL64(state[ 8], 55);
+		state[ 9] = ROTL64(state[ 9], 20);
+		state[10] = ROTL64(state[10],  3);
+		state[11] = ROTL64(state[11], 10);
+		state[12] = ROTL64(state[12], 43);
+		state[13] = ROTL64(state[13], 25);
+		state[14] = ROTL64(state[14], 39);
+		state[15] = ROTL64(state[15], 41);
+		state[16] = ROTL64(state[16], 45);
+		state[17] = ROTL64(state[17], 15);
+		state[18] = ROTL64(state[18], 21);
+		state[19] = ROTL64(state[19],  8);
+		state[20] = ROTL64(state[20], 18);
+		state[21] = ROTL64(state[21],  2);
+		state[22] = ROTL64(state[22], 61);
+		state[23] = ROTL64(state[23], 56);
+		state[24] = ROTL64(state[24], 14);
+
+		keccak_pi(state);
+		keccak_chi(state);
+
+		/* apply iota(state, round) */
+		*state ^= keccak_round_constants[round];
+	}
+}
+
+/**
+ * The core transformation. Process the specified block of data.
+ *
+ * @param hash the algorithm state
+ * @param block the message block to process
+ * @param block_size the size of the processed block in bytes
+ */
+static void sha3_process_block(uint64_t hash[25], const uint64_t *block, size_t block_size)
+{
+	/* expanded loop */
+	hash[ 0] ^= le2me_64(block[ 0]);
+	hash[ 1] ^= le2me_64(block[ 1]);
+	hash[ 2] ^= le2me_64(block[ 2]);
+	hash[ 3] ^= le2me_64(block[ 3]);
+	hash[ 4] ^= le2me_64(block[ 4]);
+	hash[ 5] ^= le2me_64(block[ 5]);
+	hash[ 6] ^= le2me_64(block[ 6]);
+	hash[ 7] ^= le2me_64(block[ 7]);
+	hash[ 8] ^= le2me_64(block[ 8]);
+	/* if not sha3-512 */
+	if (block_size > 72) {
+		hash[ 9] ^= le2me_64(block[ 9]);
+		hash[10] ^= le2me_64(block[10]);
+		hash[11] ^= le2me_64(block[11]);
+		hash[12] ^= le2me_64(block[12]);
+		/* if not sha3-384 */
+		if (block_size > 104) {
+			hash[13] ^= le2me_64(block[13]);
+			hash[14] ^= le2me_64(block[14]);
+			hash[15] ^= le2me_64(block[15]);
+			hash[16] ^= le2me_64(block[16]);
+			/* if not sha3-256 */
+			if (block_size > 136) {
+				hash[17] ^= le2me_64(block[17]);
+#ifdef FULL_SHA3_FAMILY_SUPPORT
+				/* if not sha3-224 */
+				if (block_size > 144) {
+					hash[18] ^= le2me_64(block[18]);
+					hash[19] ^= le2me_64(block[19]);
+					hash[20] ^= le2me_64(block[20]);
+					hash[21] ^= le2me_64(block[21]);
+					hash[22] ^= le2me_64(block[22]);
+					hash[23] ^= le2me_64(block[23]);
+					hash[24] ^= le2me_64(block[24]);
+				}
+#endif
+			}
+		}
+	}
+	/* make a permutation of the hash */
+	sha3_permutation(hash);
+}
+
+#define SHA3_FINALIZED 0x80000000
+
+/**
+ * Calculate message hash.
+ * Can be called repeatedly with chunks of the message to be hashed.
+ *
+ * @param ctx the algorithm context containing current hashing state
+ * @param msg message chunk
+ * @param size length of the message chunk
+ */
+void sha3_Update(SHA3_CTX *ctx, const unsigned char *msg, size_t size)
+{
+	size_t idx = (size_t)ctx->rest;
+	size_t block_size = (size_t)ctx->block_size;
+
+	if (ctx->rest & SHA3_FINALIZED) return; /* too late for additional input */
+	ctx->rest = (unsigned)((ctx->rest + size) % block_size);
+
+	/* fill partial block */
+	if (idx) {
+		size_t left = block_size - idx;
+		memcpy((char*)ctx->message + idx, msg, (size < left ? size : left));
+		if (size < left) return;
+
+		/* process partial block */
+		sha3_process_block(ctx->hash, ctx->message, block_size);
+		msg  += left;
+		size -= left;
+	}
+	while (size >= block_size) {
+		uint64_t *aligned_message_block = NULL;
+		if (IS_ALIGNED_64(msg)) {
+			/* the most common case is processing of an already aligned message
+			without copying it */
+			aligned_message_block = (uint64_t*)(void*)msg;
+		} else {
+			memcpy(ctx->message, msg, block_size);
+			aligned_message_block = ctx->message;
+		}
+
+		sha3_process_block(ctx->hash, aligned_message_block, block_size);
+		msg  += block_size;
+		size -= block_size;
+	}
+	if (size) {
+		memcpy(ctx->message, msg, size); /* save leftovers */
+	}
+}
+
+/**
+ * Store calculated hash into the given array.
+ *
+ * @param ctx the algorithm context containing current hashing state
+ * @param result calculated hash in binary form
+ */
+void sha3_Final(SHA3_CTX *ctx, unsigned char* result)
+{
+	size_t digest_length = 100 - ctx->block_size / 2;
+	const size_t block_size = ctx->block_size;
+
+	if (!(ctx->rest & SHA3_FINALIZED))
+	{
+		/* clear the rest of the data queue */
+		memzero((char*)ctx->message + ctx->rest, block_size - ctx->rest);
+		((char*)ctx->message)[ctx->rest] |= 0x06;
+		((char*)ctx->message)[block_size - 1] |= 0x80;
+
+		/* process final block */
+		sha3_process_block(ctx->hash, ctx->message, block_size);
+		ctx->rest = SHA3_FINALIZED; /* mark context as finalized */
+	}
+
+	assert(block_size > digest_length);
+	if (result) me64_to_le_str(result, ctx->hash, digest_length);
+	memzero(ctx, sizeof(SHA3_CTX));
+}
+
+#if USE_KECCAK
+/**
+* Store calculated hash into the given array.
+*
+* @param ctx the algorithm context containing current hashing state
+* @param result calculated hash in binary form
+*/
+void keccak_Final(SHA3_CTX *ctx, unsigned char* result)
+{
+	size_t digest_length = 100 - ctx->block_size / 2;
+	const size_t block_size = ctx->block_size;
+
+	if (!(ctx->rest & SHA3_FINALIZED))
+	{
+		/* clear the rest of the data queue */
+		memzero((char*)ctx->message + ctx->rest, block_size - ctx->rest);
+		((char*)ctx->message)[ctx->rest] |= 0x01;
+		((char*)ctx->message)[block_size - 1] |= 0x80;
+
+		/* process final block */
+		sha3_process_block(ctx->hash, ctx->message, block_size);
+		ctx->rest = SHA3_FINALIZED; /* mark context as finalized */
+	}
+
+	assert(block_size > digest_length);
+	if (result) me64_to_le_str(result, ctx->hash, digest_length);
+	memzero(ctx, sizeof(SHA3_CTX));
+}
+
+void keccak_256(const unsigned char* data, size_t len, unsigned char* digest)
+{
+	SHA3_CTX ctx = {0};
+	keccak_256_Init(&ctx);
+	keccak_Update(&ctx, data, len);
+	keccak_Final(&ctx, digest);
+}
+
+void keccak_512(const unsigned char* data, size_t len, unsigned char* digest)
+{
+	SHA3_CTX ctx = {0};
+	keccak_512_Init(&ctx);
+	keccak_Update(&ctx, data, len);
+	keccak_Final(&ctx, digest);
+}
+#endif /* USE_KECCAK */
+
+void sha3_256(const unsigned char* data, size_t len, unsigned char* digest)
+{
+	SHA3_CTX ctx = {0};
+	sha3_256_Init(&ctx);
+	sha3_Update(&ctx, data, len);
+	sha3_Final(&ctx, digest);
+}
+
+void sha3_512(const unsigned char* data, size_t len, unsigned char* digest)
+{
+	SHA3_CTX ctx = {0};
+	sha3_512_Init(&ctx);
+	sha3_Update(&ctx, data, len);
+	sha3_Final(&ctx, digest);
+}

tests/peerplays_sidechain/ethereum_transaction_tests.cpp

@@ -0,0 +1,147 @@
+#include <boost/test/unit_test.hpp>
+
+#include <fc/crypto/hex.hpp>
+#include <graphene/peerplays_sidechain/ethereum/encoders.hpp>
+#include <graphene/peerplays_sidechain/ethereum/transaction.hpp>
+
+using namespace graphene::peerplays_sidechain::ethereum;
+
+BOOST_AUTO_TEST_SUITE(ethereum_transaction_tests)
+
+BOOST_AUTO_TEST_CASE(withdrawal_encoder_test) {
+   const withdrawal_encoder encoder;
+   const auto tx = encoder.encode("5fbbb31be52608d2f52247e8400b7fcaa9e0bc12", 10000000000, "1.36.0");
+   BOOST_CHECK_EQUAL(tx, "0xe088747b0000000000000000000000005fbbb31be52608d2f52247e8400b7fcaa9e0bc1200000000000000000000000000000000000000000000000000000002540be40000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000006312E33362E300000000000000000000000000000000000000000000000000000");
+
+   const auto tx1 = encoder.encode("5fbbb31be52608d2f52247e8400b7fcaa9e0bc12", 10000000000, "1.36.1");
+   BOOST_CHECK_EQUAL(tx1, "0xe088747b0000000000000000000000005fbbb31be52608d2f52247e8400b7fcaa9e0bc1200000000000000000000000000000000000000000000000000000002540be40000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000006312E33362E310000000000000000000000000000000000000000000000000000");
+}
+
+BOOST_AUTO_TEST_CASE(update_owners_encoder_test) {
+   std::vector<std::pair<std::string, uint16_t>> owners_weights;
+   owners_weights.emplace_back("5FbBb31BE52608D2F52247E8400B7fCaA9E0bC12", 1);
+   owners_weights.emplace_back("76ce31bd03f601c3fc13732def921c5bac282676", 1);
+
+   const update_owners_encoder encoder;
+   const auto tx = encoder.encode(owners_weights, "1.35.0");
+   BOOST_CHECK_EQUAL(tx, "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");
+
+   owners_weights.emplace_back("09ee460834498a4ee361beb819470061b7381b49", 1);
+   const auto tx1 = encoder.encode(owners_weights, "1.36.1");
+   BOOST_CHECK_EQUAL(tx1, "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");
+}
+
+BOOST_AUTO_TEST_CASE(raw_transaction_serialization_test) {
+   raw_transaction raw_tr;
+   raw_tr.nonce = "0x0";
+   raw_tr.gas_price = "0x3b9aca07";
+   raw_tr.gas_limit = "0x7a1200";
+   raw_tr.to = "0x875a7e0eFe5140c80C5c822f99C02281C0290348";
+   raw_tr.value = "";
+   raw_tr.data = "";
+   raw_tr.chain_id = "0x21";
+
+   const auto tx = raw_tr.serialize();
+   BOOST_CHECK_EQUAL(tx, "0xE480843B9ACA07837A120094875A7E0EFE5140C80C5C822F99C02281C02903488080218080");
+
+   //! Change value
+   raw_tr.value = "0x1BC16D674EC80000";
+   const auto tx1 = raw_tr.serialize();
+   BOOST_CHECK_EQUAL(tx1, "0xEC80843B9ACA07837A120094875A7E0EFE5140C80C5C822F99C02281C0290348881BC16D674EC8000080218080");
+
+   //! Change data
+   raw_tr.data = "0x893d20e8";
+   const auto tx2 = raw_tr.serialize();
+   BOOST_CHECK_EQUAL(tx2, "0xF080843B9ACA07837A120094875A7E0EFE5140C80C5C822F99C02281C0290348881BC16D674EC8000084893D20E8218080");
+}
+
+BOOST_AUTO_TEST_CASE(raw_transaction_deserialization_test) {
+   const raw_transaction raw_tr{"E480843B9ACA07837A120094875A7E0EFE5140C80C5C822F99C02281C02903488080218080"};
+
+   BOOST_CHECK_EQUAL(raw_tr.nonce, "0x0");
+   BOOST_CHECK_EQUAL(raw_tr.gas_price, "0x3b9aca07");
+   BOOST_CHECK_EQUAL(raw_tr.gas_limit, "0x7a1200");
+   BOOST_CHECK_EQUAL(raw_tr.to, "0x875a7e0efe5140c80c5c822f99c02281c0290348");
+   BOOST_CHECK_EQUAL(raw_tr.value, "0x0");
+   BOOST_CHECK_EQUAL(raw_tr.data, "");
+   BOOST_CHECK_EQUAL(raw_tr.chain_id, "0x21");
+}
+
+BOOST_AUTO_TEST_CASE(raw_transaction_hash_test) {
+   raw_transaction raw_tr;
+   raw_tr.nonce = "0x0";
+   raw_tr.gas_price = "0x3b9aca07";
+   raw_tr.gas_limit = "0x7a1200";
+   raw_tr.to = "0x875a7e0eFe5140c80C5c822f99C02281C0290348";
+   raw_tr.value = "";
+   raw_tr.data = "";
+   raw_tr.chain_id = "0x21";
+
+   const auto tx = raw_tr.serialize();
+   BOOST_CHECK_EQUAL(tx, "0xE480843B9ACA07837A120094875A7E0EFE5140C80C5C822F99C02281C02903488080218080");
+
+   const auto hash = raw_tr.hash();
+   const auto hash_str = fc::to_hex((char *)&hash[0], hash.size());
+   BOOST_CHECK_EQUAL(hash_str, "34934410cd305f4fa4e75a2c9294d625d6fbba729b5642ed2ca757ead50bb1fb");
+}
+
+BOOST_AUTO_TEST_CASE(sign_transaction_test) {
+   raw_transaction raw_tr;
+   raw_tr.nonce = "0x0";
+   raw_tr.gas_price = "0x3b9aca07";
+   raw_tr.gas_limit = "0x7a1200";
+   raw_tr.to = "0x875a7e0eFe5140c80C5c822f99C02281C0290348";
+   raw_tr.value = "";
+   raw_tr.data = "";
+   raw_tr.chain_id = "0x21";
+
+   const auto sign_tr = raw_tr.sign("eb5749a569e6141a3b08249d4a0d84f9ef22c67651ba29adb8eb6fd43fc83060");
+   BOOST_CHECK_EQUAL(sign_tr.r, "5f09de6ac850b2a9e94acd709c12d4e9adbabc6b72281ec0bbe13bca7e57c7ce");
+   BOOST_CHECK_EQUAL(sign_tr.v, "65");
+   BOOST_CHECK_EQUAL(sign_tr.s, "7ca5f26c5b3e25f14a32b18ac9a2a41b7c68efd3b04b118e1b1f4bf1c4e299b0");
+}
+
+BOOST_AUTO_TEST_CASE(sign_transaction_serialization_test) {
+   raw_transaction raw_tr;
+   raw_tr.nonce = "0x0";
+   raw_tr.gas_price = "0x3b9aca07";
+   raw_tr.gas_limit = "0x7a1200";
+   raw_tr.to = "0x875a7e0eFe5140c80C5c822f99C02281C0290348";
+   raw_tr.value = "";
+   raw_tr.data = "";
+   raw_tr.chain_id = "0x21";
+
+   const auto sign_tr = raw_tr.sign("eb5749a569e6141a3b08249d4a0d84f9ef22c67651ba29adb8eb6fd43fc83060");
+   const auto tx = sign_tr.serialize();
+   BOOST_CHECK_EQUAL(tx, "0xF86480843B9ACA07837A120094875A7E0EFE5140C80C5C822F99C02281C0290348808065A05F09DE6AC850B2A9E94ACD709C12D4E9ADBABC6B72281EC0BBE13BCA7E57C7CEA07CA5F26C5B3E25F14A32B18AC9A2A41B7C68EFD3B04B118E1B1F4BF1C4E299B0");
+}
+
+BOOST_AUTO_TEST_CASE(sign_transaction_deserialization_test) {
+   const signed_transaction sign_tr{"0xF86480843B9ACA07837A120094875A7E0EFE5140C80C5C822F99C02281C0290348808065A05F09DE6AC850B2A9E94ACD709C12D4E9ADBABC6B72281EC0BBE13BCA7E57C7CEA07CA5F26C5B3E25F14A32B18AC9A2A41B7C68EFD3B04B118E1B1F4BF1C4E299B0"};
+
+   BOOST_CHECK_EQUAL(sign_tr.nonce, "0x0");
+   BOOST_CHECK_EQUAL(sign_tr.gas_price, "0x3b9aca07");
+   BOOST_CHECK_EQUAL(sign_tr.gas_limit, "0x7a1200");
+   BOOST_CHECK_EQUAL(sign_tr.to, "0x875a7e0efe5140c80c5c822f99c02281c0290348");
+   BOOST_CHECK_EQUAL(sign_tr.value, "0x0");
+   BOOST_CHECK_EQUAL(sign_tr.data, "");
+}
+
+BOOST_AUTO_TEST_CASE(sign_transaction_recover_test) {
+   const std::string chain_id = "0x21";
+
+   raw_transaction raw_tr;
+   raw_tr.nonce = "0x0";
+   raw_tr.gas_price = "0x3b9aca07";
+   raw_tr.gas_limit = "0x7a1200";
+   raw_tr.to = "0x875a7e0eFe5140c80C5c822f99C02281C0290348";
+   raw_tr.value = "";
+   raw_tr.data = "";
+   raw_tr.chain_id = chain_id;
+
+   const auto sign_tr = raw_tr.sign("eb5749a569e6141a3b08249d4a0d84f9ef22c67651ba29adb8eb6fd43fc83060");
+   const auto from = sign_tr.recover(chain_id);
+   BOOST_CHECK_EQUAL(from, "0x5fbbb31be52608d2f52247e8400b7fcaa9e0bc12");
+}
+
+BOOST_AUTO_TEST_SUITE_END()