peerplays_migrated/libraries/app/api.cpp
2017-05-25 12:13:59 +03:00

564 lines
23 KiB
C++

/*
* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
*
* The MIT License
*
* 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, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <cctype>
#include <graphene/app/api.hpp>
#include <graphene/app/api_access.hpp>
#include <graphene/app/application.hpp>
#include <graphene/app/impacted.hpp>
#include <graphene/chain/database.hpp>
#include <graphene/chain/get_config.hpp>
#include <graphene/utilities/key_conversion.hpp>
#include <graphene/chain/protocol/fee_schedule.hpp>
#include <graphene/chain/confidential_object.hpp>
#include <graphene/chain/market_object.hpp>
#include <graphene/chain/transaction_object.hpp>
#include <graphene/chain/withdraw_permission_object.hpp>
#include <graphene/chain/worker_object.hpp>
#include <graphene/chain/tournament_object.hpp>
#include <fc/crypto/hex.hpp>
#include <fc/smart_ref_impl.hpp>
namespace graphene { namespace app {
login_api::login_api(application& a)
:_app(a)
{
}
login_api::~login_api()
{
}
bool login_api::login(const string& user, const string& password)
{
optional< api_access_info > acc = _app.get_api_access_info( user );
if( !acc.valid() )
return false;
if( acc->password_hash_b64 != "*" )
{
std::string password_salt = fc::base64_decode( acc->password_salt_b64 );
std::string acc_password_hash = fc::base64_decode( acc->password_hash_b64 );
fc::sha256 hash_obj = fc::sha256::hash( password + password_salt );
if( hash_obj.data_size() != acc_password_hash.length() )
return false;
if( memcmp( hash_obj.data(), acc_password_hash.c_str(), hash_obj.data_size() ) != 0 )
return false;
}
for( const std::string& api_name : acc->allowed_apis )
enable_api( api_name );
return true;
}
void login_api::enable_api( const std::string& api_name )
{
if( api_name == "database_api" )
{
_database_api = std::make_shared< database_api >( std::ref( *_app.chain_database() ) );
}
else if( api_name == "network_broadcast_api" )
{
_network_broadcast_api = std::make_shared< network_broadcast_api >( std::ref( _app ) );
}
else if( api_name == "history_api" )
{
_history_api = std::make_shared< history_api >( _app );
}
else if( api_name == "network_node_api" )
{
_network_node_api = std::make_shared< network_node_api >( std::ref(_app) );
}
else if( api_name == "crypto_api" )
{
_crypto_api = std::make_shared< crypto_api >();
}
else if( api_name == "debug_api" )
{
// can only enable this API if the plugin was loaded
if( _app.get_plugin( "debug_witness" ) )
_debug_api = std::make_shared< graphene::debug_witness::debug_api >( std::ref(_app) );
}
return;
}
network_broadcast_api::network_broadcast_api(application& a):_app(a)
{
_applied_block_connection = _app.chain_database()->applied_block.connect([this](const signed_block& b){ on_applied_block(b); });
}
void network_broadcast_api::on_applied_block( const signed_block& b )
{
if( _callbacks.size() )
{
/// we need to ensure the database_api is not deleted for the life of the async operation
auto capture_this = shared_from_this();
for( uint32_t trx_num = 0; trx_num < b.transactions.size(); ++trx_num )
{
const auto& trx = b.transactions[trx_num];
auto id = trx.id();
auto itr = _callbacks.find(id);
if( itr != _callbacks.end() )
{
auto block_num = b.block_num();
auto& callback = _callbacks.find(id)->second;
fc::async( [capture_this,this,id,block_num,trx_num,trx,callback](){ callback( fc::variant(transaction_confirmation{ id, block_num, trx_num, trx}) ); } );
}
}
}
}
void network_broadcast_api::broadcast_transaction(const signed_transaction& trx)
{
trx.validate();
_app.chain_database()->push_transaction(trx);
_app.p2p_node()->broadcast_transaction(trx);
}
void network_broadcast_api::broadcast_block( const signed_block& b )
{
_app.chain_database()->push_block(b);
_app.p2p_node()->broadcast( net::block_message( b ));
}
void network_broadcast_api::broadcast_transaction_with_callback(confirmation_callback cb, const signed_transaction& trx)
{
trx.validate();
_callbacks[trx.id()] = cb;
_app.chain_database()->push_transaction(trx);
_app.p2p_node()->broadcast_transaction(trx);
}
network_node_api::network_node_api( application& a ) : _app( a )
{
}
fc::variant_object network_node_api::get_info() const
{
fc::mutable_variant_object result = _app.p2p_node()->network_get_info();
result["connection_count"] = _app.p2p_node()->get_connection_count();
return result;
}
void network_node_api::add_node(const fc::ip::endpoint& ep)
{
_app.p2p_node()->add_node(ep);
}
std::vector<net::peer_status> network_node_api::get_connected_peers() const
{
return _app.p2p_node()->get_connected_peers();
}
std::vector<net::potential_peer_record> network_node_api::get_potential_peers() const
{
return _app.p2p_node()->get_potential_peers();
}
fc::variant_object network_node_api::get_advanced_node_parameters() const
{
return _app.p2p_node()->get_advanced_node_parameters();
}
void network_node_api::set_advanced_node_parameters(const fc::variant_object& params)
{
return _app.p2p_node()->set_advanced_node_parameters(params);
}
fc::api<network_broadcast_api> login_api::network_broadcast()const
{
FC_ASSERT(_network_broadcast_api);
return *_network_broadcast_api;
}
fc::api<network_node_api> login_api::network_node()const
{
FC_ASSERT(_network_node_api);
return *_network_node_api;
}
fc::api<database_api> login_api::database()const
{
FC_ASSERT(_database_api);
return *_database_api;
}
fc::api<history_api> login_api::history() const
{
FC_ASSERT(_history_api);
return *_history_api;
}
fc::api<crypto_api> login_api::crypto() const
{
FC_ASSERT(_crypto_api);
return *_crypto_api;
}
fc::api<graphene::debug_witness::debug_api> login_api::debug() const
{
FC_ASSERT(_debug_api);
return *_debug_api;
}
#if 0
vector<account_id_type> get_relevant_accounts( const object* obj )
{
vector<account_id_type> result;
if( obj->id.space() == protocol_ids )
{
switch( (object_type)obj->id.type() )
{
case null_object_type:
case base_object_type:
case OBJECT_TYPE_COUNT:
return result;
case account_object_type:{
result.push_back( obj->id );
break;
} case asset_object_type:{
const auto& aobj = dynamic_cast<const asset_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->issuer );
break;
} case force_settlement_object_type:{
const auto& aobj = dynamic_cast<const force_settlement_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->owner );
break;
} case committee_member_object_type:{
const auto& aobj = dynamic_cast<const committee_member_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->committee_member_account );
break;
} case witness_object_type:{
const auto& aobj = dynamic_cast<const witness_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->witness_account );
break;
} case limit_order_object_type:{
const auto& aobj = dynamic_cast<const limit_order_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->seller );
break;
} case call_order_object_type:{
const auto& aobj = dynamic_cast<const call_order_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->borrower );
break;
} case custom_object_type:{
break;
} case proposal_object_type:{
const auto& aobj = dynamic_cast<const proposal_object*>(obj);
assert( aobj != nullptr );
flat_set<account_id_type> impacted;
transaction_get_impacted_accounts( aobj->proposed_transaction, impacted );
result.reserve( impacted.size() );
for( auto& item : impacted ) result.emplace_back(item);
break;
} case operation_history_object_type:{
const auto& aobj = dynamic_cast<const operation_history_object*>(obj);
assert( aobj != nullptr );
flat_set<account_id_type> impacted;
operation_get_impacted_accounts( aobj->op, impacted );
result.reserve( impacted.size() );
for( auto& item : impacted ) result.emplace_back(item);
break;
} case withdraw_permission_object_type:{
const auto& aobj = dynamic_cast<const withdraw_permission_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->withdraw_from_account );
result.push_back( aobj->authorized_account );
break;
} case vesting_balance_object_type:{
const auto& aobj = dynamic_cast<const vesting_balance_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->owner );
break;
} case worker_object_type:{
const auto& aobj = dynamic_cast<const worker_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->worker_account );
break;
} case balance_object_type:{
/** these are free from any accounts */
break;
} case tournament_object_type:{
const tournament_object* tournament_obj = dynamic_cast<const tournament_object*>(obj);
assert(tournament_obj);
const tournament_details_object& details = tournament_obj->tournament_details_id(*_app.chain_database());
flat_set<account_id_type> impacted = details.registered_players;
impacted.insert(tournament_obj->creator);
std::copy(impacted.begin(), impacted.end(), std::back_inserter(result));
break;
}
}
}
else if( obj->id.space() == implementation_ids )
{
switch( (impl_object_type)obj->id.type() )
{
case impl_global_property_object_type:
break;
case impl_dynamic_global_property_object_type:
break;
case impl_reserved0_object_type:
break;
case impl_asset_dynamic_data_type:
break;
case impl_asset_bitasset_data_type:
break;
case impl_account_balance_object_type:{
const auto& aobj = dynamic_cast<const account_balance_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->owner );
break;
} case impl_account_statistics_object_type:{
const auto& aobj = dynamic_cast<const account_statistics_object*>(obj);
assert( aobj != nullptr );
result.push_back( aobj->owner );
break;
} case impl_transaction_object_type:{
const auto& aobj = dynamic_cast<const transaction_object*>(obj);
assert( aobj != nullptr );
flat_set<account_id_type> impacted;
transaction_get_impacted_accounts( aobj->trx, impacted );
result.reserve( impacted.size() );
for( auto& item : impacted ) result.emplace_back(item);
break;
} case impl_blinded_balance_object_type:{
const auto& aobj = dynamic_cast<const blinded_balance_object*>(obj);
assert( aobj != nullptr );
result.reserve( aobj->owner.account_auths.size() );
for( const auto& a : aobj->owner.account_auths )
result.push_back( a.first );
break;
} case impl_block_summary_object_type:
break;
case impl_account_transaction_history_object_type:
break;
case impl_chain_property_object_type:
break;
case impl_witness_schedule_object_type:
break;
case impl_budget_record_object_type:
break;
case impl_special_authority_object_type:
break;
case impl_buyback_object_type:
break;
case impl_fba_accumulator_object_type:
break;
}
}
return result;
} // end get_relevant_accounts( obj )
#endif
vector<order_history_object> history_api::get_fill_order_history( asset_id_type a, asset_id_type b, uint32_t limit )const
{
FC_ASSERT(_app.chain_database());
const auto& db = *_app.chain_database();
if( a > b ) std::swap(a,b);
const auto& history_idx = db.get_index_type<graphene::market_history::history_index>().indices().get<by_key>();
history_key hkey;
hkey.base = a;
hkey.quote = b;
hkey.sequence = std::numeric_limits<int64_t>::min();
uint32_t count = 0;
auto itr = history_idx.lower_bound( hkey );
vector<order_history_object> result;
while( itr != history_idx.end() && count < limit)
{
if( itr->key.base != a || itr->key.quote != b ) break;
result.push_back( *itr );
++itr;
++count;
}
return result;
}
vector<operation_history_object> history_api::get_account_history( account_id_type account,
operation_history_id_type stop,
unsigned limit,
operation_history_id_type start ) const
{
FC_ASSERT( _app.chain_database() );
const auto& db = *_app.chain_database();
FC_ASSERT( limit <= 100 );
vector<operation_history_object> result;
const auto& stats = account(db).statistics(db);
if( stats.most_recent_op == account_transaction_history_id_type() ) return result;
const account_transaction_history_object* node = &stats.most_recent_op(db);
if( start == operation_history_id_type() )
start = node->operation_id;
while(node && node->operation_id.instance.value > stop.instance.value && result.size() < limit)
{
if( node->operation_id.instance.value <= start.instance.value )
result.push_back( node->operation_id(db) );
if( node->next == account_transaction_history_id_type() )
node = nullptr;
else node = &node->next(db);
}
return result;
}
vector<operation_history_object> history_api::get_relative_account_history( account_id_type account,
uint32_t stop,
unsigned limit,
uint32_t start) const
{
FC_ASSERT( _app.chain_database() );
const auto& db = *_app.chain_database();
FC_ASSERT(limit <= 100);
vector<operation_history_object> result;
if( start == 0 )
start = account(db).statistics(db).total_ops;
else start = min( account(db).statistics(db).total_ops, start );
const auto& hist_idx = db.get_index_type<account_transaction_history_index>();
const auto& by_seq_idx = hist_idx.indices().get<by_seq>();
auto itr = by_seq_idx.upper_bound( boost::make_tuple( account, start ) );
auto itr_stop = by_seq_idx.lower_bound( boost::make_tuple( account, stop ) );
--itr;
while ( itr != itr_stop && result.size() < limit )
{
result.push_back( itr->operation_id(db) );
--itr;
}
return result;
}
flat_set<uint32_t> history_api::get_market_history_buckets()const
{
auto hist = _app.get_plugin<market_history_plugin>( "market_history" );
FC_ASSERT( hist );
return hist->tracked_buckets();
}
vector<bucket_object> history_api::get_market_history( asset_id_type a, asset_id_type b,
uint32_t bucket_seconds, fc::time_point_sec start, fc::time_point_sec end )const
{ try {
FC_ASSERT(_app.chain_database());
const auto& db = *_app.chain_database();
vector<bucket_object> result;
result.reserve(200);
if( a > b ) std::swap(a,b);
const auto& bidx = db.get_index_type<bucket_index>();
const auto& by_key_idx = bidx.indices().get<by_key>();
auto itr = by_key_idx.lower_bound( bucket_key( a, b, bucket_seconds, start ) );
while( itr != by_key_idx.end() && itr->key.open <= end && result.size() < 200 )
{
if( !(itr->key.base == a && itr->key.quote == b && itr->key.seconds == bucket_seconds) )
{
return result;
}
result.push_back(*itr);
++itr;
}
return result;
} FC_CAPTURE_AND_RETHROW( (a)(b)(bucket_seconds)(start)(end) ) }
crypto_api::crypto_api(){};
blind_signature crypto_api::blind_sign( const extended_private_key_type& key, const blinded_hash& hash, int i )
{
return fc::ecc::extended_private_key( key ).blind_sign( hash, i );
}
signature_type crypto_api::unblind_signature( const extended_private_key_type& key,
const extended_public_key_type& bob,
const blind_signature& sig,
const fc::sha256& hash,
int i )
{
return fc::ecc::extended_private_key( key ).unblind_signature( extended_public_key( bob ), sig, hash, i );
}
commitment_type crypto_api::blind( const blind_factor_type& blind, uint64_t value )
{
return fc::ecc::blind( blind, value );
}
blind_factor_type crypto_api::blind_sum( const std::vector<blind_factor_type>& blinds_in, uint32_t non_neg )
{
return fc::ecc::blind_sum( blinds_in, non_neg );
}
bool crypto_api::verify_sum( const std::vector<commitment_type>& commits_in, const std::vector<commitment_type>& neg_commits_in, int64_t excess )
{
return fc::ecc::verify_sum( commits_in, neg_commits_in, excess );
}
verify_range_result crypto_api::verify_range( const commitment_type& commit, const std::vector<char>& proof )
{
verify_range_result result;
result.success = fc::ecc::verify_range( result.min_val, result.max_val, commit, proof );
return result;
}
std::vector<char> crypto_api::range_proof_sign( uint64_t min_value,
const commitment_type& commit,
const blind_factor_type& commit_blind,
const blind_factor_type& nonce,
int8_t base10_exp,
uint8_t min_bits,
uint64_t actual_value )
{
return fc::ecc::range_proof_sign( min_value, commit, commit_blind, nonce, base10_exp, min_bits, actual_value );
}
verify_range_proof_rewind_result crypto_api::verify_range_proof_rewind( const blind_factor_type& nonce,
const commitment_type& commit,
const std::vector<char>& proof )
{
verify_range_proof_rewind_result result;
result.success = fc::ecc::verify_range_proof_rewind( result.blind_out,
result.value_out,
result.message_out,
nonce,
result.min_val,
result.max_val,
const_cast< commitment_type& >( commit ),
proof );
return result;
}
range_proof_info crypto_api::range_get_info( const std::vector<char>& proof )
{
return fc::ecc::range_get_info( proof );
}
} } // graphene::app