small fixes

libraries/plugins/peerplays_sidechain/CMakeLists.txt

@@ -16,7 +16,7 @@ endif()
 unset(SUPPORT_MULTIPLE_SONS)
 unset(SUPPORT_MULTIPLE_SONS CACHE)
 
-target_link_libraries( peerplays_sidechain graphene_chain graphene_app fc zmq )
+target_link_libraries( peerplays_sidechain graphene_chain graphene_app bitcoin fc zmq )
 target_include_directories( peerplays_sidechain
                             PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include" )
 

libraries/plugins/peerplays_sidechain/bitcoin_utils.cpp

@@ -1,11 +1,14 @@
 #include <fc/crypto/base58.hpp>
 #include <fc/crypto/elliptic.hpp>
+#include <fc/crypto/hex.hpp>
 #include <fc/crypto/ripemd160.hpp>
 #include <fc/crypto/sha256.hpp>
 #include <fc/io/raw.hpp>
 #include <graphene/peerplays_sidechain/bitcoin_utils.hpp>
 #include <secp256k1.h>
 
+#include <boost/property_tree/json_parser.hpp>
+
 namespace graphene { namespace peerplays_sidechain {
 
 static const unsigned char OP_0 = 0x00;
@@ -28,10 +31,13 @@ static const unsigned char OP_16 = 0x60;
 
 static const unsigned char OP_IF = 0x63;
 static const unsigned char OP_ENDIF = 0x68;
+static const unsigned char OP_DUP = 0x76;
 static const unsigned char OP_SWAP = 0x7c;
 static const unsigned char OP_EQUAL = 0x87;
+static const unsigned char OP_EQUALVERIFY = 0x88;
 static const unsigned char OP_ADD = 0x93;
 static const unsigned char OP_GREATERTHAN = 0xa0;
+static const unsigned char OP_GREATERTHANOREQUAL = 0xa2;
 static const unsigned char OP_HASH160 = 0xa9;
 static const unsigned char OP_CHECKSIG = 0xac;
 
@@ -193,7 +199,6 @@ void btc_outpoint::to_bytes(bytes &stream) const {
 
 size_t btc_outpoint::fill_from_bytes(const bytes &data, size_t pos) {
    ReadBytesStream str(data, pos);
-   // TODO: read size?
    str.read((unsigned char *)hash.data(), hash.data_size());
    n = str.readdata32();
    return str.current_pos();
@@ -311,7 +316,7 @@ void add_data_to_script(bytes &script, const bytes &data) {
    str.writedata(data);
 }
 
-void add_number_to_script(bytes &script, unsigned char data) {
+void add_number_to_script(bytes &script, uint32_t data) {
    WriteBytesStream str(script);
    if (data == 0)
       str.put(OP_0);
@@ -347,12 +352,22 @@ void add_number_to_script(bytes &script, unsigned char data) {
       str.put(OP_15);
    else if (data == 16)
       str.put(OP_16);
-   else
-      add_data_to_script(script, {data});
+   else {
+      std::vector<unsigned char> result;
+      while (data) {
+         result.push_back(data & 0xff);
+         data >>= 8;
+      }
+      //    - If the most significant byte is >= 0x80 and the value is positive, push a
+      //    new zero-byte to make the significant byte < 0x80 again.
+      if (result.back() & 0x80)
+          result.push_back(0);
+      add_data_to_script(script, result);
+   }
 }
 
-bytes generate_redeem_script(std::vector<std::pair<fc::ecc::public_key, int>> key_data) {
-   int total_weight = 0;
+bytes generate_redeem_script(std::vector<std::pair<fc::ecc::public_key, uint16_t>> key_data) {
+   uint32_t total_weight = 0;
    bytes result;
    add_number_to_script(result, 0);
    for (auto &p : key_data) {
@@ -362,19 +377,30 @@ bytes generate_redeem_script(std::vector<std::pair<fc::ecc::public_key, int>> ke
       add_data_to_script(result, bytes(raw_data.begin(), raw_data.begin() + raw_data.size()));
       result.push_back(OP_CHECKSIG);
       result.push_back(OP_IF);
-      add_number_to_script(result, static_cast<unsigned char>(p.second));
+      add_number_to_script(result, p.second);
       result.push_back(OP_ADD);
       result.push_back(OP_ENDIF);
    }
-   int threshold_weight = 2 * total_weight / 3;
-   add_number_to_script(result, static_cast<unsigned char>(threshold_weight));
-   result.push_back(OP_GREATERTHAN);
+   uint64_t threshold_weight = 2 * total_weight / 3;
+   add_number_to_script(result, threshold_weight);
+   result.push_back(OP_GREATERTHANOREQUAL);
    return result;
 }
 
 /** The Bech32 character set for encoding. */
 const char *charset = "qpzry9x8gf2tvdw0s3jn54khce6mua7l";
 
+/** The Bech32 character set for decoding. */
+const int8_t charset_rev[128] = {
+      -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,
+      15, -1, 10, 17, 21, 20, 26, 30, 7, 5, -1, -1, -1, -1, -1, -1,
+      -1, 29, -1, 24, 13, 25, 9, 8, 23, -1, 18, 22, 31, 27, 19, -1,
+      1, 0, 3, 16, 11, 28, 12, 14, 6, 4, 2, -1, -1, -1, -1, -1,
+      -1, 29, -1, 24, 13, 25, 9, 8, 23, -1, 18, 22, 31, 27, 19, -1,
+      1, 0, 3, 16, 11, 28, 12, 14, 6, 4, 2, -1, -1, -1, -1, -1};
+
 /** Concatenate two byte arrays. */
 bytes cat(bytes x, const bytes &y) {
    x.insert(x.end(), y.begin(), y.end());
@@ -409,6 +435,20 @@ uint32_t polymod(const bytes &values) {
    return chk;
 }
 
+/** Expand a HRP for use in checksum computation. */
+bytes bech32_expand_hrp(const std::string &hrp) {
+   bytes ret;
+   ret.reserve(hrp.size() + 90);
+   ret.resize(hrp.size() * 2 + 1);
+   for (size_t i = 0; i < hrp.size(); ++i) {
+      unsigned char c = hrp[i];
+      ret[i] = c >> 5;
+      ret[i + hrp.size() + 1] = c & 0x1f;
+   }
+   ret[hrp.size()] = 0;
+   return ret;
+}
+
 /** Create a checksum. */
 bytes bech32_checksum(const std::string &hrp, const bytes &values) {
    bytes enc = cat(expand_hrp(hrp), values);
@@ -422,8 +462,17 @@ bytes bech32_checksum(const std::string &hrp, const bytes &values) {
    return ret;
 }
 
+/** Verify a checksum. */
+bool bech32_verify_checksum(const std::string &hrp, const bytes &values) {
+   // PolyMod computes what value to xor into the final values to make the checksum 0. However,
+   // if we required that the checksum was 0, it would be the case that appending a 0 to a valid
+   // list of values would result in a new valid list. For that reason, Bech32 requires the
+   // resulting checksum to be 1 instead.
+   return polymod(cat(bech32_expand_hrp(hrp), values)) == 1;
+}
+
 /** Encode a Bech32 string. */
-std::string bech32(const std::string &hrp, const bytes &values) {
+std::string bech32_encode(const std::string &hrp, const bytes &values) {
    bytes checksum = bech32_checksum(hrp, values);
    bytes combined = cat(values, checksum);
    std::string ret = hrp + '1';
@@ -434,6 +483,33 @@ std::string bech32(const std::string &hrp, const bytes &values) {
    return ret;
 }
 
+/** Decode a Bech32 string. */
+bytes bech32_decode(const std::string &str) {
+   if (str.size() > 90)
+      FC_THROW("Invalid bech32 string ${a}", ("a", str));
+   for (unsigned char c : str) {
+      if (c < 33 || c > 126)
+         FC_THROW("Invalid bech32 string ${a}", ("a", str));
+      if (c >= 'A' && c <= 'Z')
+         FC_THROW("Invalid bech32 string ${a}", ("a", str));
+   }
+   size_t pos = str.rfind('1');
+   if (pos == str.npos || pos == 0 || pos + 7 > str.size())
+      FC_THROW("Invalid bech32 string ${a}", ("a", str));
+   std::string hrp = str.substr(0, pos);
+   bytes values(str.size() - 1 - pos);
+   for (size_t i = 0; i < str.size() - 1 - pos; ++i) {
+      unsigned char c = str[i + pos + 1];
+      int8_t rev = (c < 33 || c > 126) ? -1 : charset_rev[c];
+      if (rev == -1)
+         FC_THROW("Invalid bech32 string ${a}", ("a", str));
+      values[i] = rev;
+   }
+   if (!bech32_verify_checksum(hrp, values))
+      FC_THROW("Invalid bech32 string ${a}", ("a", str));
+   return bytes(values.begin(), values.end() - 6);
+}
+
 /** Convert from one power-of-2 number base to another. */
 template <int frombits, int tobits, bool pad>
 bool convertbits(bytes &out, const bytes &in) {
@@ -464,10 +540,23 @@ std::string segwit_addr_encode(const std::string &hrp, uint8_t witver, const byt
    bytes enc;
    enc.push_back(witver);
    convertbits<8, 5, true>(enc, witprog);
-   std::string ret = bech32(hrp, enc);
+   std::string ret = bech32_encode(hrp, enc);
    return ret;
 }
 
+/** Decode a SegWit address. */
+bytes segwit_addr_decode(const std::string &addr) {
+   bytes dec = bech32_decode(addr);
+   if (dec.size() < 1)
+      FC_THROW("Invalid bech32 address ${a}", ("a", addr));
+   bytes conv;
+   if (!convertbits<5, 8, false>(conv, bytes(dec.begin() + 1, dec.end())) ||
+       conv.size() < 2 || conv.size() > 40 || dec[0] > 16 || (dec[0] == 0 && conv.size() != 20 && conv.size() != 32)) {
+      FC_THROW("Invalid bech32 address ${a}", ("a", addr));
+   }
+   return conv;
+}
+
 std::string p2wsh_address_from_redeem_script(const bytes &script, bitcoin_network network) {
    // calc script hash
    fc::sha256 sh = fc::sha256::hash(reinterpret_cast<const char *>(&script[0]), script.size());
@@ -476,14 +565,23 @@ std::string p2wsh_address_from_redeem_script(const bytes &script, bitcoin_networ
    case (mainnet):
       return segwit_addr_encode("bc", 0, wp);
    case (testnet):
-   case (regtest):
       return segwit_addr_encode("tb", 0, wp);
+   case (regtest):
+      return segwit_addr_encode("bcrt", 0, wp);
    default:
       FC_THROW("Unknown bitcoin network type");
    }
    FC_THROW("Unknown bitcoin network type");
 }
 
+bytes lock_script_from_pw_address(const std::string &address) {
+   bytes result;
+   result.push_back(OP_0);
+   bytes script_hash = segwit_addr_decode(address);
+   add_data_to_script(result, script_hash);
+   return result;
+}
+
 bytes lock_script_for_redeem_script(const bytes &script) {
    bytes result;
    result.push_back(OP_0);
@@ -677,4 +775,85 @@ bytes add_signatures_to_unsigned_tx(const bytes &unsigned_tx, const std::vector<
    return ret;
 }
 
+std::string get_weighted_multisig_address(const std::vector<std::pair<std::string, uint16_t>> &public_keys, bitcoin_network network) {
+   std::vector<std::pair<fc::ecc::public_key, uint16_t>> key_data;
+   for (auto p : public_keys) {
+      fc::ecc::public_key_data kd;
+      fc::from_hex(p.first, kd.begin(), kd.size());
+      key_data.push_back(std::make_pair(fc::ecc::public_key(kd), p.second));
+   }
+   bytes redeem_script = generate_redeem_script(key_data);
+   return p2wsh_address_from_redeem_script(redeem_script, network);
+}
+
+bytes get_weighted_multisig_redeem_script(std::vector<std::pair<std::string, uint16_t>> public_keys) {
+   std::vector<std::pair<fc::ecc::public_key, uint16_t>> key_data;
+   for (auto p : public_keys)
+   {
+      fc::ecc::public_key_data kd;
+      fc::from_hex(p.first, kd.begin(), kd.size());
+      key_data.push_back(std::make_pair(fc::ecc::public_key(kd), p.second));
+   }
+   return generate_redeem_script(key_data);
+}
+
+std::string bytes_to_hex(const bytes &data)
+{
+   return fc::to_hex((char*)&data[0], data.size());
+}
+
+bytes hex_to_bytes(const std::string &hex_str)
+{
+   bytes res;
+   res.resize(hex_str.size() / 2);
+   fc::from_hex(hex_str, (char*)&res[0],  res.size());
+   return res;
+}
+
+bool is_bech_address(const std::string &address)
+{
+   auto pos = address.find('1', 0);
+   if(pos == std::string::npos)
+      return false;
+   std::string hrp = address.substr(0, pos);
+   return (hrp == "bc") || (hrp == "tb") || (hrp == "bcrt");
+}
+
+bytes lock_script_from_legacy_address(const std::string &address) {
+   std::vector<char> data = fc::from_base58(address);
+   bytes addr_data((unsigned char*)&data[0], (unsigned char*)&data[0] + data.size());
+   // p2pkh
+   if( addr_data.size() == 25 && ( addr_data[0] == 0x00 ||
+                                   addr_data[0]  == 0x6f ) ) {
+      // drop checksum
+      addr_data.erase(addr_data.end() - 4);
+      bytes result;
+      result.push_back(OP_DUP);
+      result.push_back(OP_HASH160);
+      add_data_to_script(result, addr_data);
+      result.push_back(OP_EQUALVERIFY);
+      result.push_back(OP_CHECKSIG);
+      return result;
+   }
+   // p2sh
+   if( addr_data.size() == 25 && ( addr_data[0]  == 0x05 ||
+                              addr_data[0]  == 0xc4 ) ) {
+      // drop checksum
+      addr_data.erase(addr_data.end() - 4);
+      bytes result;
+      result.push_back(OP_HASH160);
+      add_data_to_script(result, addr_data);
+      result.push_back(OP_EQUAL);
+      return result;
+   }
+   FC_THROW("Unsupported bitcoin address type in ${addr}", ("addr", address));
+}
+
+bytes lock_script_from_address(const std::string &address)
+{
+   if(is_bech_address(address))
+      return lock_script_from_pw_address(address);
+   return lock_script_from_legacy_address(address);
+}
+
 }} // namespace graphene::peerplays_sidechain

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

@@ -10,9 +10,14 @@ enum bitcoin_network {
    regtest
 };
 
-bytes generate_redeem_script(std::vector<std::pair<fc::ecc::public_key, int>> key_data);
-std::string p2wsh_address_from_redeem_script(const bytes &script, bitcoin_network network = mainnet);
+bytes generate_redeem_script(std::vector<std::pair<fc::ecc::public_key, uint16_t>> key_data);
+std::string p2wsh_address_from_redeem_script(const bytes &script, bitcoin_network network = regtest);
 bytes lock_script_for_redeem_script(const bytes &script);
+bytes lock_script_from_pw_address(const std::string &address);
+bytes lock_script_from_address(const std::string &address);
+
+std::string get_weighted_multisig_address(const std::vector<std::pair<std::string, uint16_t>> &public_keys, bitcoin_network network = regtest);
+bytes get_weighted_multisig_redeem_script(std::vector<std::pair<std::string, uint16_t>> public_keys);
 
 std::vector<bytes> signatures_for_raw_transaction(const bytes &unsigned_tx,
                                                   std::vector<uint64_t> in_amounts,
@@ -64,6 +69,10 @@ bytes add_signatures_to_unsigned_tx(const bytes &unsigned_tx,
                                     const std::vector<std::vector<bytes>> &signatures,
                                     const bytes &redeem_script);
 
+
+std::string bytes_to_hex(const bytes& data);
+bytes hex_to_bytes(const std::string& hex_str);
+
 struct btc_outpoint {
    fc::uint256 hash;
    uint32_t n;
@@ -73,6 +82,19 @@ struct btc_outpoint {
 };
 
 struct btc_in {
+   btc_in() = default;
+   btc_in(const btc_in &) = default;
+   btc_in(btc_in &&) = default;
+   btc_in &operator=(const btc_in &) = default;
+
+   btc_in(const std::string &txid, uint32_t out, uint32_t sequence = 0xffffffff) {
+      prevout.n = out;
+      prevout.hash = fc::uint256(txid);
+      // reverse hash due to the different from_hex algo in bitcoin
+      std::reverse(prevout.hash.data(), prevout.hash.data() + prevout.hash.data_size());
+      nSequence = sequence;
+   }
+
    btc_outpoint prevout;
    bytes scriptSig;
    uint32_t nSequence;
@@ -83,6 +105,16 @@ struct btc_in {
 };
 
 struct btc_out {
+   btc_out() = default;
+   btc_out(const btc_out &) = default;
+   btc_out(btc_out &&) = default;
+   btc_out &operator=(const btc_out &) = default;
+
+   btc_out(const std::string &address, uint64_t amount) :
+         nValue(amount),
+         scriptPubKey(lock_script_from_address(address)) {
+   }
+
    int64_t nValue;
    bytes scriptPubKey;
 

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

@@ -10,11 +10,17 @@
 
 namespace graphene { namespace peerplays_sidechain {
 
+enum class network_type {
+   mainnet,
+   testnet,
+   regtest
+};
+
 class btc_txout {
 public:
    std::string txid_;
    unsigned int out_num_;
-   double amount_;
+   uint64_t amount_;
 };
 
 class bitcoin_rpc_client {
@@ -25,6 +31,7 @@ public:
    std::string combinepsbt(const vector<std::string> &psbts);
    std::string createmultisig(const uint32_t nrequired, const std::vector<std::string> public_keys);
    std::string createpsbt(const std::vector<btc_txout> &ins, const fc::flat_map<std::string, double> outs);
+   std::string converttopsbt(const std::string &hex);
    std::string createrawtransaction(const std::vector<btc_txout> &ins, const fc::flat_map<std::string, double> outs);
    std::string createwallet(const std::string &wallet_name);
    std::string decodepsbt(std::string const &tx_psbt);
@@ -34,6 +41,7 @@ public:
    std::string finalizepsbt(std::string const &tx_psbt);
    std::string getaddressinfo(const std::string &address);
    std::string getblock(const std::string &block_hash, int32_t verbosity = 2);
+   std::string getblockchaininfo();
    std::string gettransaction(const std::string &txid, const bool include_watch_only = false);
    void importaddress(const std::string &address_or_script);
    std::vector<btc_txout> listunspent(const uint32_t minconf = 1, const uint32_t maxconf = 9999999);
@@ -104,16 +112,28 @@ private:
    std::unique_ptr<bitcoin_rpc_client> bitcoin_client;
    std::unique_ptr<zmq_listener> listener;
 
+   network_type network;
+   uint8_t payment_address_p2kh;
+   uint8_t payment_address_p2sh;
+   uint8_t ec_private_wif;
+   uint8_t ec_private_p2kh;
+   uint16_t ec_private_version;
+
    fc::future<void> on_changed_objects_task;
 
    std::string create_primary_wallet_transaction();
    std::string create_deposit_transaction(const son_wallet_deposit_object &swdo);
    std::string create_withdrawal_transaction(const son_wallet_withdraw_object &swwo);
 
+   std::string create_multisig_address(const std::vector<std::pair<std::string, uint16_t>> &son_pubkeys);
    std::string create_transaction(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs);
    std::string sign_transaction(const sidechain_transaction_object &sto);
    std::string send_transaction(const sidechain_transaction_object &sto);
 
+   std::string create_multisig_address_raw(const std::vector<std::pair<std::string, uint16_t>> &son_pubkeys);
+   std::string create_multisig_address_psbt(const std::vector<std::pair<std::string, uint16_t>> &son_pubkeys);
+   std::string create_multisig_address_standalone(const std::vector<std::pair<std::string, uint16_t>> &son_pubkeys);
+
    std::string create_transaction_raw(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs);
    std::string create_transaction_psbt(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs);
    std::string create_transaction_standalone(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs);
@@ -124,6 +144,7 @@ private:
 
    std::string send_transaction_raw(const sidechain_transaction_object &sto);
    std::string send_transaction_psbt(const sidechain_transaction_object &sto);
+   std::string send_transaction_standalone(const sidechain_transaction_object &sto);
 
    void handle_event(const std::string &event_data);
    std::vector<info_for_vin> extract_info_from_block(const std::string &_block);

libraries/plugins/peerplays_sidechain/sidechain_net_handler_bitcoin.cpp

@@ -3,11 +3,14 @@
 #include <algorithm>
 #include <thread>
 
+#include <bitcoin/bitcoin.hpp>
+
 #include <boost/algorithm/hex.hpp>
 #include <boost/property_tree/json_parser.hpp>
 #include <boost/property_tree/ptree.hpp>
 
 #include <fc/crypto/base64.hpp>
+#include <fc/crypto/hex.hpp>
 #include <fc/log/logger.hpp>
 #include <fc/network/ip.hpp>
 
@@ -15,6 +18,8 @@
 #include <graphene/chain/protocol/son_wallet.hpp>
 #include <graphene/chain/son_info.hpp>
 #include <graphene/chain/son_wallet_object.hpp>
+#include <graphene/peerplays_sidechain/bitcoin_utils.hpp>
+#include <graphene/utilities/key_conversion.hpp>
 
 namespace graphene { namespace peerplays_sidechain {
 
@@ -179,6 +184,34 @@ std::string bitcoin_rpc_client::createpsbt(const std::vector<btc_txout> &ins, co
    return "";
 }
 
+std::string bitcoin_rpc_client::converttopsbt(const std::string &hex) {
+   std::string body = std::string("{\"jsonrpc\": \"1.0\", \"id\":\"converttopsbt\", \"method\": "
+                                  "\"converttopsbt\", \"params\": [\"" +
+                                  hex + "\"] }");
+
+   const auto reply = send_post_request(body);
+
+   if (reply.body.empty()) {
+      wlog("Bitcoin RPC call ${function} failed", ("function", __FUNCTION__));
+      return "";
+   }
+
+   std::stringstream ss(std::string(reply.body.begin(), reply.body.end()));
+   boost::property_tree::ptree json;
+   boost::property_tree::read_json(ss, json);
+
+   if (reply.status == 200) {
+      if (json.find("result") != json.not_found()) {
+         return json.get<std::string>("result");
+      }
+   }
+
+   if (json.count("error") && !json.get_child("error").empty()) {
+      wlog("Bitcoin RPC call ${function} with body ${body} failed with reply '${msg}'", ("function", __FUNCTION__)("body", body)("msg", ss.str()));
+   }
+   return "";
+}
+
 std::string bitcoin_rpc_client::createrawtransaction(const std::vector<btc_txout> &ins, const fc::flat_map<std::string, double> outs) {
    std::string body("{\"jsonrpc\": \"1.0\", \"id\":\"createrawtransaction\", "
                     "\"method\": \"createrawtransaction\", \"params\": [");
@@ -454,6 +487,33 @@ std::string bitcoin_rpc_client::getblock(const std::string &block_hash, int32_t
    return "";
 }
 
+std::string bitcoin_rpc_client::getblockchaininfo() {
+   std::string body = std::string("{\"jsonrpc\": \"1.0\", \"id\":\"getblockchaininfo\", \"method\": "
+                                  "\"getblockchaininfo\", \"params\": [] }");
+
+   const auto reply = send_post_request(body);
+
+   if (reply.body.empty()) {
+      wlog("Bitcoin RPC call ${function} failed", ("function", __FUNCTION__));
+      return "";
+   }
+
+   std::stringstream ss(std::string(reply.body.begin(), reply.body.end()));
+   boost::property_tree::ptree json;
+   boost::property_tree::read_json(ss, json);
+
+   if (reply.status == 200) {
+      std::stringstream ss;
+      boost::property_tree::json_parser::write_json(ss, json.get_child("result"));
+      return ss.str();
+   }
+
+   if (json.count("error") && !json.get_child("error").empty()) {
+      wlog("Bitcoin RPC call ${function} with body ${body} failed with reply '${msg}'", ("function", __FUNCTION__)("body", body)("msg", ss.str()));
+   }
+   return "";
+}
+
 std::string bitcoin_rpc_client::gettransaction(const std::string &txid, const bool include_watch_only) {
    std::string body = std::string("{\"jsonrpc\": \"1.0\", \"id\":\"gettransaction\", \"method\": "
                                   "\"gettransaction\", \"params\": [\"" +
@@ -527,7 +587,9 @@ std::vector<btc_txout> bitcoin_rpc_client::listunspent(const uint32_t minconf, c
             btc_txout txo;
             txo.txid_ = entry.second.get_child("txid").get_value<std::string>();
             txo.out_num_ = entry.second.get_child("vout").get_value<unsigned int>();
-            txo.amount_ = entry.second.get_child("amount").get_value<double>();
+            string amount = entry.second.get_child("amount").get_value<std::string>();
+            amount.erase(std::remove(amount.begin(), amount.end(), '.'), amount.end());
+            txo.amount_ = std::stoll(amount);
             result.push_back(txo);
          }
       }
@@ -565,7 +627,9 @@ std::vector<btc_txout> bitcoin_rpc_client::listunspent_by_address_and_amount(con
             btc_txout txo;
             txo.txid_ = entry.second.get_child("txid").get_value<std::string>();
             txo.out_num_ = entry.second.get_child("vout").get_value<unsigned int>();
-            txo.amount_ = entry.second.get_child("amount").get_value<double>();
+            string amount = entry.second.get_child("amount").get_value<std::string>();
+            amount.erase(std::remove(amount.begin(), amount.end(), '.'), amount.end());
+            txo.amount_ = std::stoll(amount);
             result.push_back(txo);
          }
       }
@@ -878,6 +942,31 @@ sidechain_net_handler_bitcoin::sidechain_net_handler_bitcoin(peerplays_sidechain
       bitcoin_client->loadwallet(wallet);
    }
 
+   std::string blockchain_info = bitcoin_client->getblockchaininfo();
+   std::stringstream bci_ss(std::string(blockchain_info.begin(), blockchain_info.end()));
+   boost::property_tree::ptree bci_json;
+   boost::property_tree::read_json(bci_ss, bci_json);
+   network = network_type::mainnet;
+   if (bci_json.count("chain")) {
+      std::string chain = bci_json.get<std::string>("chain");
+      if (chain != "mainnet") {
+         network = network_type::testnet;
+      }
+   }
+   if (network == network_type::mainnet) {
+      payment_address_p2kh = libbitcoin::wallet::payment_address::mainnet_p2kh;
+      payment_address_p2sh = libbitcoin::wallet::payment_address::mainnet_p2sh;
+      ec_private_wif = libbitcoin::wallet::ec_private::mainnet_wif;
+      ec_private_p2kh = libbitcoin::wallet::ec_private::mainnet_p2kh;
+      ec_private_version = libbitcoin::wallet::ec_private::mainnet;
+   } else {
+      payment_address_p2kh = libbitcoin::wallet::payment_address::testnet_p2kh;
+      payment_address_p2sh = libbitcoin::wallet::payment_address::testnet_p2sh;
+      ec_private_wif = libbitcoin::wallet::ec_private::testnet_wif;
+      ec_private_p2kh = libbitcoin::wallet::ec_private::testnet_p2kh;
+      ec_private_version = libbitcoin::wallet::ec_private::testnet;
+   }
+
    listener = std::unique_ptr<zmq_listener>(new zmq_listener(ip, zmq_port));
    listener->event_received.connect([this](const std::string &event_data) {
       std::thread(&sidechain_net_handler_bitcoin::handle_event, this, event_data).detach();
@@ -936,13 +1025,12 @@ bool sidechain_net_handler_bitcoin::process_proposal(const proposal_object &po)
 
          if (son_sets_equal) {
             auto active_sons = gpo.active_sons;
-            vector<string> son_pubkeys_bitcoin;
+            vector<pair<string, uint16_t>> son_pubkeys_bitcoin;
             for (const son_info &si : active_sons) {
-               son_pubkeys_bitcoin.push_back(si.sidechain_public_keys.at(sidechain_type::bitcoin));
+               son_pubkeys_bitcoin.push_back(make_pair(si.sidechain_public_keys.at(sidechain_type::bitcoin), si.weight));
             }
 
-            uint32_t nrequired = son_pubkeys_bitcoin.size() * 2 / 3 + 1;
-            string reply_str = bitcoin_client->createmultisig(nrequired, son_pubkeys_bitcoin);
+            string reply_str = create_multisig_address(son_pubkeys_bitcoin);
 
             std::stringstream active_pw_ss(reply_str);
             boost::property_tree::ptree active_pw_pt;
@@ -1067,16 +1155,12 @@ void sidechain_net_handler_bitcoin::process_primary_wallet() {
          const chain::global_property_object &gpo = database.get_global_properties();
 
          auto active_sons = gpo.active_sons;
-         vector<string> son_pubkeys_bitcoin;
+         vector<std::pair<string, uint16_t>> son_pubkeys_bitcoin;
          for (const son_info &si : active_sons) {
-            son_pubkeys_bitcoin.push_back(si.sidechain_public_keys.at(sidechain_type::bitcoin));
+            son_pubkeys_bitcoin.push_back(std::make_pair(si.sidechain_public_keys.at(sidechain_type::bitcoin), si.weight));
          }
 
-         if (!wallet_password.empty()) {
-            bitcoin_client->walletpassphrase(wallet_password, 5);
-         }
-         uint32_t nrequired = son_pubkeys_bitcoin.size() * 2 / 3 + 1;
-         string reply_str = bitcoin_client->createmultisig(nrequired, son_pubkeys_bitcoin);
+         string reply_str = create_multisig_address(son_pubkeys_bitcoin);
 
          std::stringstream active_pw_ss(reply_str);
          boost::property_tree::ptree active_pw_pt;
@@ -1269,8 +1353,7 @@ std::string sidechain_net_handler_bitcoin::create_primary_wallet_transaction() {
    uint64_t min_fee_rate = 1000;
    fee_rate = std::max(fee_rate, min_fee_rate);
 
-   double min_amount = ((double)fee_rate / 100000000.0); // Account only for relay fee for now
-   double total_amount = 0.0;
+   uint64_t total_amount = 0.0;
    std::vector<btc_txout> inputs = bitcoin_client->listunspent_by_address_and_amount(prev_pw_address, 0);
 
    if (inputs.size() == 0) {
@@ -1281,14 +1364,14 @@ std::string sidechain_net_handler_bitcoin::create_primary_wallet_transaction() {
          total_amount += utx.amount_;
       }
 
-      if (min_amount >= total_amount) {
+      if (fee_rate >= total_amount) {
          elog("Failed not enough BTC to transfer from ${fa}", ("fa", prev_pw_address));
          return "";
       }
    }
 
    fc::flat_map<std::string, double> outputs;
-   outputs[active_pw_address] = total_amount - min_amount;
+   outputs[active_pw_address] = double(total_amount - fee_rate) / 100000000.0;
 
    return create_transaction(inputs, outputs);
 }
@@ -1329,7 +1412,7 @@ std::string sidechain_net_handler_bitcoin::create_deposit_transaction(const son_
 
    outputs[pw_address] = transfer_amount;
 
-   return create_transaction(inputs, outputs);
+   return create_transaction_psbt(inputs, outputs);
 }
 
 std::string sidechain_net_handler_bitcoin::create_withdrawal_transaction(const son_wallet_withdraw_object &swwo) {
@@ -1351,8 +1434,7 @@ std::string sidechain_net_handler_bitcoin::create_withdrawal_transaction(const s
    uint64_t min_fee_rate = 1000;
    fee_rate = std::max(fee_rate, min_fee_rate);
 
-   double min_amount = ((double)(swwo.withdraw_amount.value + fee_rate) / 100000000.0); // Account only for relay fee for now
-   double total_amount = 0.0;
+   uint64_t total_amount = 0;
    std::vector<btc_txout> inputs = bitcoin_client->listunspent_by_address_and_amount(pw_address, 0);
 
    if (inputs.size() == 0) {
@@ -1363,7 +1445,7 @@ std::string sidechain_net_handler_bitcoin::create_withdrawal_transaction(const s
          total_amount += utx.amount_;
       }
 
-      if (min_amount > total_amount) {
+      if (fee_rate > total_amount) {
          elog("Failed not enough BTC to spend for ${pw}", ("pw", pw_address));
          return "";
       }
@@ -1371,20 +1453,30 @@ std::string sidechain_net_handler_bitcoin::create_withdrawal_transaction(const s
 
    fc::flat_map<std::string, double> outputs;
    outputs[swwo.withdraw_address] = swwo.withdraw_amount.value / 100000000.0;
-   if ((total_amount - min_amount) > 0.0) {
-      outputs[pw_address] = total_amount - min_amount;
+   if ((total_amount - fee_rate) > 0.0) {
+      outputs[pw_address] = double(total_amount - swwo.withdraw_amount.value - fee_rate) / 100000000.0;
    }
 
    return create_transaction(inputs, outputs);
 }
 
+// Creates segwit multisig address
+// Function to actually create segwit multisig address should return json string with address info, or empty string in case of failure
+std::string sidechain_net_handler_bitcoin::create_multisig_address(const std::vector<std::pair<std::string, uint16_t>> &son_pubkeys) {
+   std::string new_addr = "";
+   //new_addr = create_multisig_address_raw(son_pubkeys);
+   //new_addr = create_multisig_address_psbt(son_pubkeys);
+   new_addr = create_multisig_address_standalone(son_pubkeys);
+   return new_addr;
+}
+
 // Creates transaction in any format
 // Function to actually create transaction should return transaction string, or empty string in case of failure
 std::string sidechain_net_handler_bitcoin::create_transaction(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs) {
    std::string new_tx = "";
    //new_tx = create_transaction_raw(inputs, outputs);
-   new_tx = create_transaction_psbt(inputs, outputs);
-   //new_tx = create_transaction_standalone(inputs, outputs);
+   //new_tx = create_transaction_psbt(inputs, outputs);
+   new_tx = create_transaction_standalone(inputs, outputs);
    return new_tx;
 }
 
@@ -1393,14 +1485,155 @@ std::string sidechain_net_handler_bitcoin::create_transaction(const std::vector<
 std::string sidechain_net_handler_bitcoin::sign_transaction(const sidechain_transaction_object &sto) {
    std::string new_tx = "";
    //new_tx = sign_transaction_raw(sto);
-   new_tx = sign_transaction_psbt(sto);
+   if (sto.object_id.type() == 30) {
+      new_tx = sign_transaction_psbt(sto);
+   } else {
+      new_tx = sign_transaction_standalone(sto);
+   }
    //new_tx = sign_transaction_standalone(sto);
    return new_tx;
 }
 
 std::string sidechain_net_handler_bitcoin::send_transaction(const sidechain_transaction_object &sto) {
    //return send_transaction_raw(sto);
-   return send_transaction_psbt(sto);
+   //return send_transaction_psbt(sto);
+   if (sto.object_id.type() == 30) {
+      return send_transaction_psbt(sto);
+   } else {
+      return send_transaction_standalone(sto);
+   }
+}
+
+std::string sidechain_net_handler_bitcoin::create_multisig_address_raw(const std::vector<std::pair<std::string, uint16_t>> &son_pubkeys) {
+   vector<std::string> pubkeys;
+   for (auto s : son_pubkeys) {
+      pubkeys.push_back(s.first);
+   }
+
+   if (!wallet_password.empty()) {
+      bitcoin_client->walletpassphrase(wallet_password, 5);
+   }
+
+   uint32_t nrequired = pubkeys.size() * 2 / 3 + 1;
+   return bitcoin_client->addmultisigaddress(nrequired, pubkeys);
+}
+
+std::string sidechain_net_handler_bitcoin::create_multisig_address_psbt(const std::vector<std::pair<std::string, uint16_t>> &son_pubkeys) {
+   vector<std::string> pubkeys;
+   for (auto s : son_pubkeys) {
+      pubkeys.push_back(s.first);
+   }
+
+   if (!wallet_password.empty()) {
+      bitcoin_client->walletpassphrase(wallet_password, 5);
+   }
+
+   uint32_t nrequired = pubkeys.size() * 2 / 3 + 1;
+   return bitcoin_client->addmultisigaddress(nrequired, pubkeys);
+}
+
+std::vector<std::vector<unsigned char>> read_byte_arrays_from_string(const std::string &string_buf)
+{
+   std::stringstream ss(string_buf);
+   boost::property_tree::ptree json;
+   boost::property_tree::read_json(ss, json);
+
+   std::vector<bytes> data;
+   for(auto &v: json)
+   {
+      std::string hex = v.second.data();
+      bytes item;
+      item.resize(hex.size() / 2);
+      fc::from_hex(hex, (char*)&item[0], item.size());
+      data.push_back(item);
+   }
+   return data;
+}
+
+std::string write_byte_arrays_to_string(const std::vector<std::vector<unsigned char>>& data)
+{
+   std::string res = "[";
+   for (unsigned int idx = 0; idx < data.size(); ++idx) {
+      res += "\"" + fc::to_hex((char*)&data[idx][0], data[idx].size()) + "\"";
+      if (idx != data.size() - 1)
+         res += ",";
+   }
+   res += "]";
+   return res;
+}
+
+libbitcoin::chain::script get_multisig_witness_script(const std::vector<libbitcoin::wallet::ec_public> &son_pubkeys)
+{
+   libbitcoin::point_list keys;
+   for (auto& key : son_pubkeys) {
+      keys.push_back(key.point());
+   }
+
+   uint32_t nrequired = son_pubkeys.size() * 2 / 3 + 1;
+   libbitcoin::chain::script multisig = libbitcoin::chain::script::to_pay_multisig_pattern(nrequired, keys);
+   return multisig;
+}
+
+libbitcoin::chain::script getRedeemScript(const std::vector<libbitcoin::wallet::ec_public> &son_pubkeys) {
+   libbitcoin::chain::script multisig = get_multisig_witness_script(son_pubkeys);
+   libbitcoin::data_chunk multisig_hash = libbitcoin::to_chunk(libbitcoin::sha256_hash(multisig.to_data(0)));
+   libbitcoin::machine::operation::list redeemscript_ops {libbitcoin::machine::operation(libbitcoin::machine::opcode(0)), libbitcoin::machine::operation(multisig_hash)};
+   libbitcoin::chain::script redeem_script = libbitcoin::chain::script(redeemscript_ops);
+   return redeem_script;
+}
+
+libbitcoin::machine::operation script_num(uint32_t val)
+{
+   if (val < 16)
+      return libbitcoin::machine::operation::opcode_from_positive(val & 0xff);
+   libbitcoin::data_chunk result;
+   while (val) {
+      result.push_back(val & 0xff);
+      val >>= 8;
+   }
+   //    - If the most significant byte is >= 0x80 and the value is positive, push a
+   //    new zero-byte to make the significant byte < 0x80 again.
+   if (result.back() & 0x80)
+       result.push_back(0);
+   return result;
+}
+
+void read_tx_data_from_string(const std::string &string_buf, std::vector<unsigned char> &tx, std::vector<uint64_t> &in_amounts)
+{
+   std::stringstream ss(string_buf);
+   boost::property_tree::ptree json;
+   boost::property_tree::read_json(ss, json);
+   std::string tx_hex = json.get<std::string>("tx_hex");
+   tx.clear();
+   tx.resize(tx_hex.size() / 2);
+   fc::from_hex(tx_hex, (char*)&tx[0], tx.size());
+   in_amounts.clear();
+   for(auto &v: json.get_child("in_amounts"))
+      in_amounts.push_back(fc::to_uint64(v.second.data()));
+}
+
+std::string save_tx_data_to_string(const std::vector<unsigned char> &tx, const std::vector<uint64_t> &in_amounts)
+{
+   std::string res = "{\"tx_hex\":\"" + fc::to_hex((const char*)&tx[0], tx.size()) + "\",\"in_amounts\":[";
+   for (unsigned int idx = 0; idx < in_amounts.size(); ++idx) {
+      res += fc::to_string(in_amounts[idx]);
+      if (idx != in_amounts.size() - 1)
+         res += ",";
+   }
+   res += "]}";
+   return res;
+}
+
+std::string sidechain_net_handler_bitcoin::create_multisig_address_standalone(const std::vector<std::pair<std::string, uint16_t>> &son_pubkeys) {
+   bytes redeem_script = get_weighted_multisig_redeem_script(son_pubkeys);
+   std::string address = get_weighted_multisig_address(son_pubkeys);
+
+   std::stringstream ss;
+   ss << "{\"result\": {\"address\": \"" << address << "\", \"redeemScript\": \"" << bytes_to_hex(redeem_script) << "\""
+      << "}, \"error\":null}";
+   std::string res = ss.str();
+
+   return res;
 }
 
 std::string sidechain_net_handler_bitcoin::create_transaction_raw(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs) {
@@ -1412,64 +1645,24 @@ std::string sidechain_net_handler_bitcoin::create_transaction_psbt(const std::ve
 }
 
 std::string sidechain_net_handler_bitcoin::create_transaction_standalone(const std::vector<btc_txout> &inputs, const fc::flat_map<std::string, double> outputs) {
-   // Examples
+   btc_tx tx;
+   tx.nVersion = 2;
+   tx.nLockTime = 0;
+   tx.hasWitness = true;
+   std::vector<uint64_t> in_amounts;
+   for (auto in : inputs) {
+      tx.vin.push_back(btc_in(in.txid_, in.out_num_));
+      in_amounts.push_back(in.amount_);
+   }
+   for (auto out : outputs) {
+      tx.vout.push_back(btc_out(out.first, uint64_t(out.second * 100000000.0)));
+   }
 
-   // Transaction with no inputs and outputs
-   //bitcoin-core.cli -rpcuser=1 -rpcpassword=1 -rpcwallet="" createrawtransaction '[]' '[]'
-   //02000000000000000000
-   //bitcoin-core.cli -rpcuser=1 -rpcpassword=1 -rpcwallet="" decoderawtransaction 02000000000000000000
-   //{
-   //  "txid": "4ebd325a4b394cff8c57e8317ccf5a8d0e2bdf1b8526f8aad6c8e43d8240621a",
-   //  "hash": "4ebd325a4b394cff8c57e8317ccf5a8d0e2bdf1b8526f8aad6c8e43d8240621a",
-   //  "version": 2,
-   //  "size": 10,
-   //  "vsize": 10,
-   //  "weight": 40,
-   //  "locktime": 0,
-   //  "vin": [
-   //  ],
-   //  "vout": [
-   //  ]
-   //}
+   bytes tx_buf;
+   tx.to_bytes(tx_buf);
+   std::string tx_raw = save_tx_data_to_string(tx_buf, in_amounts);
 
-   // Transaction with input and output
-   //{
-   //  "txid": "ff60f48f767bbf70d79efc1347b5554b481f14fda68709839091286e035e669b",
-   //  "hash": "ff60f48f767bbf70d79efc1347b5554b481f14fda68709839091286e035e669b",
-   //  "version": 2,
-   //  "size": 83,
-   //  "vsize": 83,
-   //  "weight": 332,
-   //  "locktime": 0,
-   //  "vin": [
-   //    {
-   //      "txid": "3d322dc2640239a2e68e182b254d19c88e5172a61947f94a105c3f57618092ff",
-   //      "vout": 0,
-   //      "scriptSig": {
-   //        "asm": "",
-   //        "hex": ""
-   //      },
-   //      "sequence": 4294967295
-   //    }
-   //  ],
-   //  "vout": [
-   //    {
-   //      "value": 1.00000000,
-   //      "n": 0,
-   //      "scriptPubKey": {
-   //        "asm": "OP_HASH160 b87c323018cae236eb03a1f63000c85b672270f6 OP_EQUAL",
-   //        "hex": "a914b87c323018cae236eb03a1f63000c85b672270f687",
-   //        "reqSigs": 1,
-   //        "type": "scripthash",
-   //        "addresses": [
-   //          "2NA4h6sc9oZ4ogfNKU9Wp6fkqPZLZPqqpgf"
-   //        ]
-   //      }
-   //    }
-   //  ]
-   //}
-
-   return "";
+   return tx_raw;
 }
 
 std::string sidechain_net_handler_bitcoin::sign_transaction_raw(const sidechain_transaction_object &sto) {
@@ -1564,7 +1757,31 @@ std::string sidechain_net_handler_bitcoin::sign_transaction_psbt(const sidechain
 
 std::string sidechain_net_handler_bitcoin::sign_transaction_standalone(const sidechain_transaction_object &sto) {
 
-   return "";
+   std::string pubkey = plugin.get_current_son_object().sidechain_public_keys.at(sidechain);
+   std::string prvkey = get_private_key(pubkey);
+
+   bytes unsigned_tx;
+   std::vector<uint64_t> in_amounts;
+   read_tx_data_from_string(sto.transaction, unsigned_tx, in_amounts);
+
+   std::vector<std::pair<std::string, uint16_t>> son_pubkeys;
+   for (auto& son: sto.signers) {
+      std::string pub_key = son.sidechain_public_keys.at(sidechain_type::bitcoin);
+      son_pubkeys.push_back(std::make_pair(pub_key, son.weight));
+   }
+   bytes witness_script = get_weighted_multisig_redeem_script(son_pubkeys);
+
+   fc::optional<fc::ecc::private_key> btc_private_key = graphene::utilities::wif_to_key(prvkey);
+   if (!btc_private_key)
+   {
+      elog("Invalid private key ${pk}", ("pk", prvkey));
+      return "";
+   }
+   vector<bytes> sigs = signatures_for_raw_transaction(unsigned_tx, in_amounts, witness_script, *btc_private_key);
+
+   std::string tx_signature = write_byte_arrays_to_string(sigs);
+   ilog("signatures: ${s}", ("s", tx_signature));
+   return tx_signature;
 }
 
 std::string sidechain_net_handler_bitcoin::send_transaction_raw(const sidechain_transaction_object &sto) {
@@ -1613,6 +1830,35 @@ std::string sidechain_net_handler_bitcoin::send_transaction_psbt(const sidechain
    return "";
 }
 
+std::string sidechain_net_handler_bitcoin::send_transaction_standalone(const sidechain_transaction_object &sto) {
+   bytes unsigned_tx;
+   std::vector<uint64_t> in_amounts;
+   read_tx_data_from_string(sto.transaction, unsigned_tx, in_amounts);
+
+   std::vector<std::pair<std::string, uint16_t>> son_pubkeys;
+   for (auto& son: sto.signers) {
+      std::string pub_key = son.sidechain_public_keys.at(sidechain_type::bitcoin);
+      son_pubkeys.push_back(std::make_pair(pub_key, son.weight));
+   }
+   bytes witness_script = get_weighted_multisig_redeem_script(son_pubkeys);
+
+   uint32_t inputs_number = in_amounts.size();
+   vector<bytes> dummy;
+   dummy.resize(inputs_number);
+   vector<vector<bytes>> signatures;
+   for (unsigned idx = 0; idx < sto.signatures.size(); ++idx) {
+      if(sto.signatures[idx].second.empty())
+         signatures.push_back(dummy);
+      else
+         signatures.push_back(read_byte_arrays_from_string(sto.signatures[idx].second));
+   }
+   bytes signed_tx = add_signatures_to_unsigned_tx(unsigned_tx, signatures, witness_script);
+   std::string txstr = bytes_to_hex(signed_tx);
+   std::string res = bitcoin_client->sendrawtransaction(txstr);
+   ilog("send_transaction_standalone: ${tx}, [${res}]", ("tx", txstr)("res", res));
+   return res;
+}
+
 void sidechain_net_handler_bitcoin::handle_event(const std::string &event_data) {
    std::string block = bitcoin_client->getblock(event_data);
    if (block != "") {

programs/witness_node/genesis.json

@@ -1,5 +1,5 @@
 {
-  "initial_timestamp": "2020-01-13T06:03:15",
+  "initial_timestamp": "2020-03-03T03:03:03",
   "max_core_supply": "1000000000000000",
   "initial_parameters": {
     "current_fees": {
@@ -333,9 +333,9 @@
       "scale": 10000
     },
     "block_interval": 3,
-    "maintenance_interval": 86400,
+    "maintenance_interval": 120,
     "maintenance_skip_slots": 3,
-    "committee_proposal_review_period": 1209600,
+    "committee_proposal_review_period": 600,
     "maximum_transaction_size": 2048,
     "maximum_block_size": 1228800000,
     "maximum_time_until_expiration": 86400,
@@ -388,7 +388,8 @@
       "son_pay_time": 86400,
       "son_deregister_time": 43200,
       "son_heartbeat_frequency": 180,
-      "son_down_time": 360
+      "son_down_time": 360,
+      "son_bitcoin_min_tx_confirmations": 1
     }
   },
   "initial_bts_accounts": [],
@@ -527,7 +528,8 @@
   "immutable_parameters": {
     "min_committee_member_count": 11,
     "min_witness_count": 11,
+    "min_son_count": 5,
     "num_special_accounts": 0,
     "num_special_assets": 0
   }
-}
+}

tests/peerplays_sidechain/bitcoin_utils_test.cpp

@@ -51,7 +51,7 @@ BOOST_AUTO_TEST_CASE(pw_transfer)
    for(auto& key: priv_old)
       pub_old.push_back(key.get_public_key());
    // old key weights
-   std::vector<std::pair<fc::ecc::public_key, int> > weights_old;
+   std::vector<std::pair<fc::ecc::public_key, uint16_t> > weights_old;
    for(unsigned i = 0; i < 15; ++i)
       weights_old.push_back(std::make_pair(pub_old[i], i + 1));
    // redeem script for old PW
@@ -76,7 +76,7 @@ BOOST_AUTO_TEST_CASE(pw_transfer)
    for(auto& key: priv_new)
       pub_new.push_back(key.get_public_key());
    // new key weights
-   std::vector<std::pair<fc::ecc::public_key, int> > weights_new;
+   std::vector<std::pair<fc::ecc::public_key, uint16_t> > weights_new;
    for(unsigned i = 0; i < 15; ++i)
       weights_new.push_back(std::make_pair(pub_new[i], 16 - i));
    // redeem script for new PW
@@ -145,7 +145,7 @@ BOOST_AUTO_TEST_CASE(pw_separate_sign)
    for(auto& key: priv_old)
       pub_old.push_back(key.get_public_key());
    // old key weights
-   std::vector<std::pair<fc::ecc::public_key, int> > weights_old;
+   std::vector<std::pair<fc::ecc::public_key, uint16_t> > weights_old;
    for(unsigned i = 0; i < 15; ++i)
       weights_old.push_back(std::make_pair(pub_old[i], i + 1));
    // redeem script for old PW
@@ -170,7 +170,7 @@ BOOST_AUTO_TEST_CASE(pw_separate_sign)
    for(auto& key: priv_new)
       pub_new.push_back(key.get_public_key());
    // new key weights
-   std::vector<std::pair<fc::ecc::public_key, int> > weights_new;
+   std::vector<std::pair<fc::ecc::public_key, uint16_t> > weights_new;
    for(unsigned i = 0; i < 15; ++i)
       weights_new.push_back(std::make_pair(pub_new[i], 16 - i));
    // redeem script for new PW
@@ -243,7 +243,7 @@ BOOST_AUTO_TEST_CASE(pw_separate_sign2)
    for(auto& key: priv_old)
       pub_old.push_back(key.get_public_key());
    // old key weights
-   std::vector<std::pair<fc::ecc::public_key, int> > weights_old;
+   std::vector<std::pair<fc::ecc::public_key, uint16_t> > weights_old;
    for(unsigned i = 0; i < 15; ++i)
       weights_old.push_back(std::make_pair(pub_old[i], i + 1));
    // redeem script for old PW
@@ -268,7 +268,7 @@ BOOST_AUTO_TEST_CASE(pw_separate_sign2)
    for(auto& key: priv_new)
       pub_new.push_back(key.get_public_key());
    // new key weights
-   std::vector<std::pair<fc::ecc::public_key, int> > weights_new;
+   std::vector<std::pair<fc::ecc::public_key, uint16_t> > weights_new;
    for(unsigned i = 0; i < 15; ++i)
       weights_new.push_back(std::make_pair(pub_new[i], 16 - i));
    // redeem script for new PW
@@ -345,7 +345,7 @@ BOOST_AUTO_TEST_CASE(pw_partially_sign)
    for(auto& key: priv_old)
       pub_old.push_back(key.get_public_key());
    // old key weights
-   std::vector<std::pair<fc::ecc::public_key, int> > weights_old;
+   std::vector<std::pair<fc::ecc::public_key, uint16_t> > weights_old;
    for(unsigned i = 0; i < 15; ++i)
       weights_old.push_back(std::make_pair(pub_old[i], i + 1));
    // redeem script for old PW
@@ -370,7 +370,7 @@ BOOST_AUTO_TEST_CASE(pw_partially_sign)
    for(auto& key: priv_new)
       pub_new.push_back(key.get_public_key());
    // new key weights
-   std::vector<std::pair<fc::ecc::public_key, int> > weights_new;
+   std::vector<std::pair<fc::ecc::public_key, uint16_t> > weights_new;
    for(unsigned i = 0; i < 15; ++i)
       weights_new.push_back(std::make_pair(pub_new[i], 16 - i));
    // redeem script for new PW