Add Bitcoin network listener to a SON plugin (#196)

* Add Bitcoin network listener to a SON plugin
* Add default parameters for Peerplays Bitcoin test node
* Add Bitcoin block processing
* Update source code to last designs
* Set default parameters for peerplays_sidechain plugin to Bitcoin test server
* WIP: Some Bitcoin transaction processing
This commit is contained in:
obucinac 2019-12-04 18:52:00 +01:00 committed by GitHub
parent 76b95729e1
commit 749fc2f330
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
13 changed files with 1137 additions and 19 deletions

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@ -22,6 +22,7 @@ RUN \
libreadline-dev \
libssl-dev \
libtool \
libzmq3-dev \
locales \
ntp \
pkg-config \

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@ -7,9 +7,10 @@ This is a quick introduction to get new developers and witnesses up to speed on
The following dependencies were necessary for a clean install of Ubuntu 18.04 LTS:
```
sudo apt-get install gcc-5 g++-5 cmake make libbz2-dev\
libdb++-dev libdb-dev libssl-dev openssl libreadline-dev\
autoconf libtool git
sudo apt-get install autoconf bash build-essential ca-certificates cmake \
doxygen git graphviz libbz2-dev libcurl4-openssl-dev libncurses-dev \
libreadline-dev libssl-dev libtool libzmq3-dev locales ntp pkg-config \
wget
```
## Build Boost 1.67.0

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@ -2,9 +2,12 @@ file(GLOB HEADERS "include/graphene/peerplays_sidechain/*.hpp")
add_library( peerplays_sidechain
peerplays_sidechain_plugin.cpp
sidechain_net_manager.cpp
sidechain_net_handler.cpp
sidechain_net_handler_bitcoin.cpp
)
target_link_libraries( peerplays_sidechain graphene_chain graphene_app )
target_link_libraries( peerplays_sidechain graphene_chain graphene_app fc zmq )
target_include_directories( peerplays_sidechain
PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include" )

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@ -0,0 +1,391 @@
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"ismine": true,
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"desc": "sh(wpkh([153472fd/0'/0'/8']03b358000050ffc6318a44d08ee9da9484d5a7d95f509241adf8a52555a0fdde6b))#ckuy6v83",
"iswatchonly": false,
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"address": "bcrt1qxkm4klp55lus392m3wf64fnh4frl4vkyng4ffg",
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"ismine": true,
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"hex": "0014831d63f8d99be71f9b385f2ccc92ab2783da3762",
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"address": "bcrt1qsvwk87xen0n3lxectukvey4ty7pa5dmz0yanuv",
"scriptPubKey": "0014831d63f8d99be71f9b385f2ccc92ab2783da3762"
},
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"hdseedid": "7fc94a298c785719434c63458bb41bc1995a270d",
"hdmasterfingerprint": "153472fd",
"labels": [
{
"name": "",
"purpose": "receive"
}
]
}

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@ -0,0 +1,70 @@
#pragma once
#include <cstdint>
#include <string>
#include <vector>
#include <fc/crypto/sha256.hpp>
namespace graphene { namespace peerplays_sidechain {
enum network {
bitcoin,
//ethereum
};
using bytes = std::vector<char>;
struct prev_out
{
bool operator!=( const prev_out& obj ) const
{
if( this->hash_tx != obj.hash_tx ||
this->n_vout != obj.n_vout ||
this->amount != obj.amount )
{
return true;
}
return false;
}
std::string hash_tx;
uint32_t n_vout;
uint64_t amount;
};
struct info_for_vin
{
info_for_vin() = default;
info_for_vin( const prev_out& _out, const std::string& _address, bytes _script = bytes(), bool _resend = false );
bool operator!=( const info_for_vin& obj ) const;
struct comparer {
bool operator() ( const info_for_vin& lhs, const info_for_vin& rhs ) const;
};
static uint64_t count_id_info_for_vin;
uint64_t id;
fc::sha256 identifier;
prev_out out;
std::string address;
bytes script;
bool used = false;
bool resend = false;
};
struct sidechain_event_data {
network sidechain;
std::string transaction_id;
std::string from;
std::string to;
int64_t amount;
};
} } // graphene::peerplays_sidechain

View file

@ -1,10 +1,9 @@
#pragma once
#include <graphene/app/plugin.hpp>
#include <graphene/chain/database.hpp>
#include <graphene/chain/account_object.hpp>
#include <fc/thread/future.hpp>
#include <graphene/chain/account_object.hpp>
#include <graphene/chain/database.hpp>
namespace graphene { namespace peerplays_sidechain {
using namespace chain;
@ -30,5 +29,5 @@ class peerplays_sidechain_plugin : public graphene::app::plugin
std::unique_ptr<detail::peerplays_sidechain_plugin_impl> my;
};
} } //graphene::peerplays_sidechain_plugin
} } //graphene::peerplays_sidechain

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@ -0,0 +1,33 @@
#pragma once
#include <graphene/peerplays_sidechain/defs.hpp>
#include <vector>
#include <boost/program_options.hpp>
namespace graphene { namespace peerplays_sidechain {
class sidechain_net_handler {
public:
sidechain_net_handler(const boost::program_options::variables_map& options);
virtual ~sidechain_net_handler();
std::vector<std::string> get_user_sidechain_address_mapping();
protected:
graphene::peerplays_sidechain::network network;
virtual std::string create_multisignature_wallet( const std::vector<std::string> public_keys ) = 0;
virtual std::string transfer( const std::string& from, const std::string& to, const uint64_t amount ) = 0;
virtual std::string sign_transaction( const std::string& transaction ) = 0;
virtual std::string send_transaction( const std::string& transaction ) = 0;
virtual void handle_event( const std::string& event_data ) = 0;
private:
};
} } // graphene::peerplays_sidechain

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@ -0,0 +1,101 @@
#pragma once
#include <graphene/peerplays_sidechain/sidechain_net_handler.hpp>
#include <string>
#include <zmq.hpp>
#include <fc/signals.hpp>
#include <fc/network/http/connection.hpp>
#include <graphene/chain/database.hpp>
namespace graphene { namespace peerplays_sidechain {
class bitcoin_rpc_client {
public:
bitcoin_rpc_client( std::string _ip, uint32_t _rpc, std::string _user, std::string _password) ;
std::string receive_full_block( const std::string& block_hash );
int32_t receive_confirmations_tx( const std::string& tx_hash );
bool receive_mempool_entry_tx( const std::string& tx_hash );
uint64_t receive_estimated_fee();
void send_btc_tx( const std::string& tx_hex );
bool connection_is_not_defined() const;
private:
fc::http::reply send_post_request( std::string body );
std::string ip;
uint32_t rpc_port;
std::string user;
std::string password;
fc::http::header authorization;
};
// =============================================================================
class zmq_listener {
public:
zmq_listener( std::string _ip, uint32_t _zmq );
bool connection_is_not_defined() const { return zmq_port == 0; }
fc::signal<void( const std::string& )> event_received;
private:
void handle_zmq();
std::vector<zmq::message_t> receive_multipart();
std::string ip;
uint32_t zmq_port;
zmq::context_t ctx;
zmq::socket_t socket;
};
// =============================================================================
class sidechain_net_handler_bitcoin : public sidechain_net_handler {
public:
sidechain_net_handler_bitcoin(const boost::program_options::variables_map& options);
virtual ~sidechain_net_handler_bitcoin();
void update_tx_infos( const std::string& block_hash );
//void update_tx_approvals();
//void update_estimated_fee();
//void send_btc_tx( const sidechain::bitcoin_transaction& trx );
bool connection_is_not_defined() const;
std::string create_multisignature_wallet( const std::vector<std::string> public_keys );
std::string transfer( const std::string& from, const std::string& to, const uint64_t amount );
std::string sign_transaction( const std::string& transaction );
std::string send_transaction( const std::string& transaction );
private:
std::string ip;
uint32_t zmq_port;
uint32_t rpc_port;
std::string rpc_user;
std::string rpc_password;
std::unique_ptr<zmq_listener> listener;
std::unique_ptr<bitcoin_rpc_client> bitcoin_client;
graphene::chain::database* db;
void handle_event( const std::string& event_data);
std::vector<info_for_vin> extract_info_from_block( const std::string& _block );
void update_transaction_status( std::vector<fc::sha256> trx_for_check );
std::set<fc::sha256> get_valid_vins( const std::string tx_hash );
inline uint64_t parse_amount(std::string raw);
};
} } // graphene::peerplays_sidechain

View file

@ -0,0 +1,25 @@
#pragma once
#include <graphene/peerplays_sidechain/defs.hpp>
#include <graphene/peerplays_sidechain/sidechain_net_handler.hpp>
#include <vector>
#include <boost/program_options.hpp>
namespace graphene { namespace peerplays_sidechain {
class sidechain_net_manager {
public:
sidechain_net_manager();
virtual ~sidechain_net_manager();
bool create_handler(peerplays_sidechain::network network, const boost::program_options::variables_map& options);
private:
std::vector<std::unique_ptr<sidechain_net_handler>> net_handlers;
};
} } // graphene::peerplays_sidechain

View file

@ -1,11 +1,15 @@
#include <graphene/peerplays_sidechain/peerplays_sidechain_plugin.hpp>
#include <fc/log/logger.hpp>
#include <graphene/peerplays_sidechain/sidechain_net_manager.hpp>
namespace bpo = boost::program_options;
namespace graphene { namespace peerplays_sidechain {
namespace detail
{
class peerplays_sidechain_plugin_impl
{
public:
@ -16,8 +20,8 @@ class peerplays_sidechain_plugin_impl
peerplays_sidechain_plugin& _self;
uint32_t parameter;
uint32_t optional_parameter;
peerplays_sidechain::sidechain_net_manager _net_manager;
};
peerplays_sidechain_plugin_impl::~peerplays_sidechain_plugin_impl()
@ -48,8 +52,22 @@ void peerplays_sidechain_plugin::plugin_set_program_options(
)
{
cli.add_options()
("parameter", boost::program_options::value<uint32_t>(), "Parameter")
("optional-parameter", boost::program_options::value<uint32_t>(), "Optional parameter")
//("bitcoin-node-ip", bpo::value<string>()->implicit_value("127.0.0.1"), "IP address of Bitcoin node")
//("bitcoin-node-zmq-port", bpo::value<uint32_t>()->implicit_value(28332), "ZMQ port of Bitcoin node")
//("bitcoin-node-rpc-port", bpo::value<uint32_t>()->implicit_value(18332), "RPC port of Bitcoin node")
//("bitcoin-node-rpc-user", bpo::value<string>(), "Bitcoin RPC user")
//("bitcoin-node-rpc-password", bpo::value<string>(), "Bitcoin RPC password")
//("bitcoin-address", bpo::value<string>(), "Bitcoin address")
//("bitcoin-public-key", bpo::value<string>(), "Bitcoin public key")
//("bitcoin-private-key", bpo::value<string>(), "Bitcoin private key")
("bitcoin-node-ip", bpo::value<string>()->default_value("99.79.189.95"), "IP address of Bitcoin node")
("bitcoin-node-zmq-port", bpo::value<uint32_t>()->default_value(11111), "ZMQ port of Bitcoin node")
("bitcoin-node-rpc-port", bpo::value<uint32_t>()->default_value(22222), "RPC port of Bitcoin node")
("bitcoin-node-rpc-user", bpo::value<string>()->default_value("1"), "Bitcoin RPC user")
("bitcoin-node-rpc-password", bpo::value<string>()->default_value("1"), "Bitcoin RPC password")
("bitcoin-address", bpo::value<string>()->default_value("2N911a7smwDzUGARg8s7Q1ViizFCw6gWcbR"), "Bitcoin address")
("bitcoin-public-key", bpo::value<string>()->default_value("02d0f137e717fb3aab7aff99904001d49a0a636c5e1342f8927a4ba2eaee8e9772"), "Bitcoin public key")
("bitcoin-private-key", bpo::value<string>()->default_value("cVN31uC9sTEr392DLVUEjrtMgLA8Yb3fpYmTRj7bomTm6nn2ANPr"), "Bitcoin private key")
;
cfg.add(cli);
}
@ -58,11 +76,13 @@ void peerplays_sidechain_plugin::plugin_initialize(const boost::program_options:
{
ilog("peerplays sidechain plugin: plugin_initialize()");
if (options.count("parameter")) {
my->parameter = options["optional-parameter"].as<uint32_t>();
}
if (options.count("optional-parameter")) {
my->optional_parameter = options["optional-parameter"].as<uint32_t>();
if( 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-address" ) && options.count( "bitcoin-public-key" ) && options.count( "bitcoin-private-key" ) )
{
my->_net_manager.create_handler(network::bitcoin, options);
} else {
wlog("Haven't set up bitcoin sidechain parameters");
}
}
@ -71,4 +91,5 @@ void peerplays_sidechain_plugin::plugin_startup()
ilog("peerplays sidechain plugin: plugin_startup()");
}
} }
} } // graphene::peerplays_sidechain

View file

@ -0,0 +1,35 @@
#include <graphene/peerplays_sidechain/sidechain_net_handler.hpp>
namespace graphene { namespace peerplays_sidechain {
sidechain_net_handler::sidechain_net_handler(const boost::program_options::variables_map& options) {
}
sidechain_net_handler::~sidechain_net_handler() {
}
std::vector<std::string> sidechain_net_handler::get_user_sidechain_address_mapping() {
std::vector<std::string> result;
switch (network) {
case network::bitcoin:
result.push_back("2N5aFW5WFaYZLuJWx9RGziHBdEMj9Zf8s3J");
result.push_back("2MxAnE469fhhdvUqUB7daU997VSearb2mn7");
result.push_back("2NAYptFvTU8vJ1pC7CxvVA9R7D3NdBJHpwL");
result.push_back("2N9zPaLDfaJazUmVfr3wgn8BK75tid2kkzR");
result.push_back("2NDN7cDH3E57E1B8TwTYvBgF7CndL4FTBPL");
//result.push_back("2MzEmSiwrRzozxE6gfZ14LAyDHZ4DYP1zVG");
//result.push_back("2NDCdm1WVJVCMWJzRaSSy9NDvpNKiqkbrMg");
//result.push_back("2Mu2iz3Jfqjyv3hBQGQZSGmZGZxhJp91TNX");
//result.push_back("2N1sFbwcn4QVbvjp7yRsN4mg4mBFbvC8gKM");
//result.push_back("2NDmxr6ufBE7Zgdgq9hShF2grx2YPEiTyNy");
default:
assert(false);
}
return result;
}
} } // graphene::peerplays_sidechain

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@ -0,0 +1,403 @@
#include <graphene/peerplays_sidechain/sidechain_net_handler_bitcoin.hpp>
#include <algorithm>
#include <thread>
#include <boost/algorithm/hex.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/json_parser.hpp>
#include <fc/crypto/base64.hpp>
#include <fc/log/logger.hpp>
#include <fc/network/ip.hpp>
#include "graphene/peerplays_sidechain/sidechain_net_manager.hpp"
namespace graphene { namespace peerplays_sidechain {
// =============================================================================
bitcoin_rpc_client::bitcoin_rpc_client( std::string _ip, uint32_t _rpc, std::string _user, std::string _password ):
ip( _ip ), rpc_port( _rpc ), user( _user ), password( _password )
{
authorization.key = "Authorization";
authorization.val = "Basic " + fc::base64_encode( user + ":" + password );
}
std::string bitcoin_rpc_client::receive_full_block( const std::string& block_hash )
{
fc::http::connection conn;
conn.connect_to( fc::ip::endpoint( fc::ip::address( ip ), rpc_port ) );
const auto url = "http://" + ip + ":" + std::to_string( rpc_port ) + "/rest/block/" + block_hash + ".json";
const auto reply = conn.request( "GET", url );
if ( reply.status != 200 )
return "";
ilog( "Receive Bitcoin block: ${hash}", ( "hash", block_hash ) );
return std::string( reply.body.begin(), reply.body.end() );
}
//int32_t bitcoin_rpc_client::receive_confirmations_tx( const std::string& tx_hash )
//{
// const auto body = std::string("{\"jsonrpc\": \"1.0\", \"id\":\"curltest\", \"method\": \"getrawtransaction\", \"params\": [") +
// std::string("\"") + tx_hash + std::string("\"") + ", " + "true" + std::string("] }");
//
// const auto reply = send_post_request( body );
//
// if ( reply.status != 200 )
// return 0;
//
// const auto result = std::string( reply.body.begin(), reply.body.end() );
//
// std::stringstream ss( result );
// boost::property_tree::ptree tx;
// boost::property_tree::read_json( ss, tx );
//
// if( tx.count( "result" ) ) {
// if( tx.get_child( "result" ).count( "confirmations" ) ) {
// return tx.get_child( "result" ).get_child( "confirmations" ).get_value<int64_t>();
// }
// }
// return 0;
//}
bool bitcoin_rpc_client::receive_mempool_entry_tx( const std::string& tx_hash )
{
const auto body = std::string("{\"jsonrpc\": \"1.0\", \"id\":\"curltest\", \"method\": \"getmempoolentry\", \"params\": [") +
std::string("\"") + tx_hash + std::string("\"") + std::string("] }");
const auto reply = send_post_request( body );
if ( reply.status != 200 )
return false;
return true;
}
uint64_t bitcoin_rpc_client::receive_estimated_fee()
{
static const auto confirmation_target_blocks = 6;
const auto body = std::string("{\"jsonrpc\": \"1.0\", \"id\":\"estimated_feerate\", \"method\": \"estimatesmartfee\", \"params\": [") +
std::to_string(confirmation_target_blocks) + std::string("] }");
const auto reply = send_post_request( body );
if( reply.status != 200 )
return 0;
std::stringstream ss( std::string( reply.body.begin(), reply.body.end() ) );
boost::property_tree::ptree json;
boost::property_tree::read_json( ss, json );
if( json.count( "result" ) )
if ( json.get_child( "result" ).count( "feerate" ) ) {
auto feerate_str = json.get_child( "result" ).get_child( "feerate" ).get_value<std::string>();
feerate_str.erase( std::remove( feerate_str.begin(), feerate_str.end(), '.' ), feerate_str.end() );
return std::stoll( feerate_str );
}
return 0;
}
void bitcoin_rpc_client::send_btc_tx( const std::string& tx_hex )
{
const auto body = std::string("{\"jsonrpc\": \"1.0\", \"id\":\"send_tx\", \"method\": \"sendrawtransaction\", \"params\": [") +
std::string("\"") + tx_hex + std::string("\"") + std::string("] }");
const auto reply = send_post_request( body );
if( reply.body.empty() )
return;
std::string reply_str( reply.body.begin(), reply.body.end() );
std::stringstream ss(reply_str);
boost::property_tree::ptree json;
boost::property_tree::read_json( ss, json );
if( reply.status == 200 ) {
idump(( tx_hex ));
return;
} else if( json.count( "error" ) && !json.get_child( "error" ).empty() ) {
const auto error_code = json.get_child( "error" ).get_child( "code" ).get_value<int>();
if( error_code == -27 ) // transaction already in block chain
return;
wlog( "BTC tx is not sent! Reply: ${msg}", ("msg", reply_str) );
}
}
bool bitcoin_rpc_client::connection_is_not_defined() const
{
return ip.empty() || rpc_port == 0 || user.empty() || password.empty();
}
fc::http::reply bitcoin_rpc_client::send_post_request( std::string body )
{
fc::http::connection conn;
conn.connect_to( fc::ip::endpoint( fc::ip::address( ip ), rpc_port ) );
const auto url = "http://" + ip + ":" + std::to_string( rpc_port );
return conn.request( "POST", url, body, fc::http::headers{authorization} );
}
// =============================================================================
zmq_listener::zmq_listener( std::string _ip, uint32_t _zmq ): ip( _ip ), zmq_port( _zmq ), ctx( 1 ), socket( ctx, ZMQ_SUB ) {
std::thread( &zmq_listener::handle_zmq, this ).detach();
}
std::vector<zmq::message_t> zmq_listener::receive_multipart() {
std::vector<zmq::message_t> msgs;
int32_t more;
size_t more_size = sizeof( more );
while ( true ) {
zmq::message_t msg;
socket.recv( &msg, 0 );
socket.getsockopt( ZMQ_RCVMORE, &more, &more_size );
if ( !more )
break;
msgs.push_back( std::move(msg) );
}
return msgs;
}
void zmq_listener::handle_zmq() {
socket.setsockopt( ZMQ_SUBSCRIBE, "hashblock", 9 );
//socket.setsockopt( ZMQ_SUBSCRIBE, "hashtx", 6 );
//socket.setsockopt( ZMQ_SUBSCRIBE, "rawblock", 8 );
//socket.setsockopt( ZMQ_SUBSCRIBE, "rawtx", 5 );
socket.connect( "tcp://" + ip + ":" + std::to_string( zmq_port ) );
while ( true ) {
auto msg = receive_multipart();
const auto header = std::string( static_cast<char*>( msg[0].data() ), msg[0].size() );
const auto hash = boost::algorithm::hex( std::string( static_cast<char*>( msg[1].data() ), msg[1].size() ) );
event_received( hash );
}
}
// =============================================================================
sidechain_net_handler_bitcoin::sidechain_net_handler_bitcoin(const boost::program_options::variables_map& options) :
sidechain_net_handler(options) {
network = peerplays_sidechain::network::bitcoin;
ip = options.at("bitcoin-node-ip").as<std::string>();
zmq_port = options.at("bitcoin-node-zmq-port").as<uint32_t>();
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>();
fc::http::connection conn;
try {
conn.connect_to( fc::ip::endpoint( fc::ip::address( ip ), rpc_port ) );
} catch ( fc::exception e ) {
elog( "No BTC node running at ${ip} or wrong rpc port: ${port}", ("ip", ip) ("port", rpc_port) );
FC_ASSERT( false );
}
listener = std::unique_ptr<zmq_listener>( new zmq_listener( ip, zmq_port ) );
bitcoin_client = std::unique_ptr<bitcoin_rpc_client>( new bitcoin_rpc_client( ip, rpc_port, rpc_user, rpc_password ) );
//db = _db;
listener->event_received.connect([this]( const std::string& event_data ) {
std::thread( &sidechain_net_handler_bitcoin::handle_event, this, event_data ).detach();
} );
//db->send_btc_tx.connect([this]( const sidechain::bitcoin_transaction& trx ) {
// std::thread( &sidechain_net_handler_bitcoin::send_btc_tx, this, trx ).detach();
//} );
}
sidechain_net_handler_bitcoin::~sidechain_net_handler_bitcoin() {
}
void sidechain_net_handler_bitcoin::update_tx_infos( const std::string& block_hash )
{
std::string block = bitcoin_client->receive_full_block( block_hash );
if( block != "" ) {
const auto& vins = extract_info_from_block( block );
// const auto& addr_idx = db->get_index_type<bitcoin_address_index>().indices().get<by_address>();
// for( const auto& v : vins ) {
// const auto& addr_itr = addr_idx.find( v.address );
// FC_ASSERT( addr_itr != addr_idx.end() );
// db->i_w_info.insert_info_for_vin( prev_out{ v.out.hash_tx, v.out.n_vout, v.out.amount }, v.address, addr_itr->address.get_witness_script() );
// }
}
}
//void sidechain_net_handler_bitcoin::update_tx_approvals()
//{
// std::vector<fc::sha256> trx_for_check;
// const auto& confirmations_num = db->get_sidechain_params().confirmations_num;
//
// db->bitcoin_confirmations.safe_for<by_hash>([&]( btc_tx_confirmations_index::iterator itr_b, btc_tx_confirmations_index::iterator itr_e ){
// for(auto iter = itr_b; iter != itr_e; iter++) {
// db->bitcoin_confirmations.modify<by_hash>( iter->transaction_id, [&]( bitcoin_transaction_confirmations& obj ) {
// obj.count_block++;
// });
//
// if( iter->count_block == confirmations_num ) {
// trx_for_check.push_back( iter->transaction_id );
// }
// }
// });
//
// update_transaction_status( trx_for_check );
//
//}
//void sidechain_net_handler_bitcoin::update_estimated_fee()
//{
// db->estimated_feerate = bitcoin_client->receive_estimated_fee();
//}
//void sidechain_net_handler_bitcoin::send_btc_tx( const sidechain::bitcoin_transaction& trx )
//{
// std::set<fc::sha256> valid_vins;
// for( const auto& v : trx.vin ) {
// valid_vins.insert( v.prevout.hash );
// }
// db->bitcoin_confirmations.insert( bitcoin_transaction_confirmations( trx.get_txid(), valid_vins ) );
//
// FC_ASSERT( !bitcoin_client->connection_is_not_defined() );
// const auto tx_hex = fc::to_hex( pack( trx ) );
//
// bitcoin_client->send_btc_tx( tx_hex );
//}
bool sidechain_net_handler_bitcoin::connection_is_not_defined() const
{
return listener->connection_is_not_defined() && bitcoin_client->connection_is_not_defined();
}
std::string sidechain_net_handler_bitcoin::create_multisignature_wallet( const std::vector<std::string> public_keys )
{
return "";
}
std::string sidechain_net_handler_bitcoin::transfer( const std::string& from, const std::string& to, const uint64_t amount )
{
return "";
}
std::string sidechain_net_handler_bitcoin::sign_transaction( const std::string& transaction )
{
return "";
}
std::string sidechain_net_handler_bitcoin::send_transaction( const std::string& transaction )
{
return "";
}
void sidechain_net_handler_bitcoin::handle_event( const std::string& event_data ) {
ilog("peerplays sidechain plugin: sidechain_net_handler_bitcoin::handle_event");
ilog(" event_data: ${event_data}", ("event_data", event_data));
//update_tx_approvals();
//update_estimated_fee();
//update_tx_infos( block_hash );
}
std::vector<info_for_vin> sidechain_net_handler_bitcoin::extract_info_from_block( const std::string& _block )
{
std::stringstream ss( _block );
boost::property_tree::ptree block;
boost::property_tree::read_json( ss, block );
std::vector<info_for_vin> result;
const auto& addr_idx = get_user_sidechain_address_mapping();// db->get_index_type<bitcoin_address_index>().indices().get<by_address>();
for (const auto& tx_child : block.get_child("tx")) {
const auto& tx = tx_child.second;
for ( const auto& o : tx.get_child("vout") ) {
const auto script = o.second.get_child("scriptPubKey");
if( !script.count("addresses") ) continue;
for (const auto& addr : script.get_child("addresses")) { // in which cases there can be more addresses?
const auto address_base58 = addr.second.get_value<std::string>();
auto it = find(addr_idx.begin(), addr_idx.end(), address_base58);
if (it == addr_idx.end()) continue;
info_for_vin vin;
vin.out.hash_tx = tx.get_child("txid").get_value<std::string>();
vin.out.amount = parse_amount( o.second.get_child( "value" ).get_value<std::string>() );
vin.out.n_vout = o.second.get_child( "n" ).get_value<uint32_t>();
vin.address = address_base58;
result.push_back( vin );
}
}
}
return result;
}
//void sidechain_net_handler_bitcoin::update_transaction_status( std::vector<fc::sha256> trx_for_check )
//{
// const auto& confirmations_num = db->get_sidechain_params().confirmations_num;
//
// for( const auto& trx : trx_for_check ) {
// auto confirmations = bitcoin_client->receive_confirmations_tx( trx.str() );
// db->bitcoin_confirmations.modify<by_hash>( trx, [&]( bitcoin_transaction_confirmations& obj ) {
// obj.count_block = confirmations;
// });
//
// if( confirmations >= confirmations_num ) {
// db->bitcoin_confirmations.modify<by_hash>( trx, [&]( bitcoin_transaction_confirmations& obj ) {
// obj.confirmed = true;
// });
//
// } else if( confirmations == 0 ) {
// auto is_in_mempool = bitcoin_client->receive_mempool_entry_tx( trx.str() );
//
// std::set<fc::sha256> valid_vins;
// if( !is_in_mempool ) {
// valid_vins = get_valid_vins( trx.str() );
// }
//
// db->bitcoin_confirmations.modify<by_hash>( trx, [&]( bitcoin_transaction_confirmations& obj ) {
// obj.missing = !is_in_mempool;
// obj.valid_vins = valid_vins;
// });
// }
// }
//}
//std::set<fc::sha256> sidechain_net_handler_bitcoin::get_valid_vins( const std::string tx_hash )
//{
// const auto& confirmations_obj = db->bitcoin_confirmations.find<sidechain::by_hash>( fc::sha256( tx_hash ) );
// FC_ASSERT( confirmations_obj.valid() );
//
// std::set<fc::sha256> valid_vins;
// for( const auto& v : confirmations_obj->valid_vins ) {
// auto confirmations = bitcoin_client->receive_confirmations_tx( v.str() );
// if( confirmations == 0 ) {
// continue;
// }
// valid_vins.insert( v );
// }
// return valid_vins;
//}
// Removes dot from amount output: "50.00000000"
inline uint64_t sidechain_net_handler_bitcoin::parse_amount(std::string raw) {
raw.erase(std::remove(raw.begin(), raw.end(), '.'), raw.end());
return std::stoll(raw);
}
// =============================================================================
} } // graphene::peerplays_sidechain

View file

@ -0,0 +1,35 @@
#include <graphene/peerplays_sidechain/sidechain_net_manager.hpp>
#include <fc/log/logger.hpp>
#include <graphene/peerplays_sidechain/sidechain_net_handler_bitcoin.hpp>
namespace graphene { namespace peerplays_sidechain {
sidechain_net_manager::sidechain_net_manager() {
ilog(__FUNCTION__);
}
sidechain_net_manager::~sidechain_net_manager() {
ilog(__FUNCTION__);
}
bool sidechain_net_manager::create_handler(peerplays_sidechain::network network, const boost::program_options::variables_map& options) {
ilog(__FUNCTION__);
bool ret_val = false;
switch (network) {
case network::bitcoin: {
std::unique_ptr<sidechain_net_handler> h = std::unique_ptr<sidechain_net_handler>(new sidechain_net_handler_bitcoin(options));
net_handlers.push_back(std::move(h));
ret_val = true;
}
default:
assert(false);
}
return ret_val;
}
} } // graphene::peerplays_sidechain