void network_broadcast_api::broadcast_transaction_with_callback(confirmation_callback cb, const signed_transaction& trx)
{
trx.validate();
_callbacks[trx.id()] = cb;
_callbacks_expirations[trx.expiration].push_back(trx.id());
_app.chain_database()->push_transaction(trx);
_app.p2p_node()->broadcast_transaction(trx);
}
void wallet::sign_transaction( signed_transaction& trx, const bts::address& addr )
{
ilog( "Sign ${trx} ${addr}", ("trx",trx.id())("addr",addr));
auto priv_key_idx = my->_my_addresses.find(addr);
FC_ASSERT( priv_key_idx != my->_my_addresses.end() );
trx.sign( my->_data.extra_keys[priv_key_idx->second] );
}
void transaction_evaluation_state::evaluate( const signed_transaction& trx_arg )
{ try {
reset();
auto trx_id = trx_arg.id();
otransaction_location current_loc = _current_state->get_transaction_location( trx_id );
if( !!current_loc )
fail( BTS_DUPLICATE_TRANSACTION, "transaction has already been processed" );
trx = trx_arg;
auto digest = trx_arg.digest();
for( auto sig : trx.signatures )
{
auto key = fc::ecc::public_key( sig, digest ).serialize();
signed_keys.insert( address(key) );
signed_keys.insert( address(pts_address(key,false,56) ) );
signed_keys.insert( address(pts_address(key,true,56) ) );
signed_keys.insert( address(pts_address(key,false,0) ) );
signed_keys.insert( address(pts_address(key,true,0) ) );
}
for( auto op : trx.operations )
{
evaluate_operation( op );
}
post_evaluate();
validate_required_fee();
update_delegate_votes();
} FC_RETHROW_EXCEPTIONS( warn, "", ("trx",trx_arg) ) }
void client_impl::on_new_transaction(const signed_transaction& trx)
{
_chain_db->evaluate_transaction(trx); // throws exception if invalid trx.
if (_pending_trxs.insert(std::make_pair(trx.id(), trx)).second)
ilog("new transaction");
else
wlog("duplicate transaction, ignoring");
}
/**
* Stores a transaction and updates the spent status of all
* outputs doing one last check to make sure they are unspent.
*/
void store( const signed_transaction& t, const trx_num& tn )
{
//ilog( "trxid: ${id} ${tn}\n\n ${trx}\n\n", ("id",t.id())("tn",tn)("trx",t) );
trx_id2num.store( t.id(), tn );
meta_trxs.store( tn, meta_trx(t) );
for( uint16_t i = 0; i < t.inputs.size(); ++i )
{
mark_spent( t.inputs[i].output_ref, tn, i );
}
}
void transaction_evaluation_state::evaluate( const signed_transaction& trx_arg, bool skip_signature_check, bool enforce_canonical )
{ try {
_skip_signature_check = skip_signature_check;
try {
if( _current_state->now() >= trx_arg.expiration )
{
if( _current_state->now() > trx_arg.expiration || _current_state->get_head_block_num() >= BTS_V0_4_21_FORK_BLOCK_NUM )
{
const auto expired_by_sec = (_current_state->now() - trx_arg.expiration).to_seconds();
FC_CAPTURE_AND_THROW( expired_transaction, (trx_arg)(_current_state->now())(expired_by_sec) );
}
}
if( (_current_state->now() + BTS_BLOCKCHAIN_MAX_TRANSACTION_EXPIRATION_SEC) < trx_arg.expiration )
FC_CAPTURE_AND_THROW( invalid_transaction_expiration, (trx_arg)(_current_state->now()) );
auto trx_id = trx_arg.id();
if( _current_state->is_known_transaction( trx_arg.expiration, trx_arg.digest( _chain_id ) ) )
if (_current_state->get_head_block_num() >= FORK_25)
FC_CAPTURE_AND_THROW( duplicate_transaction, (trx_id) );
trx = trx_arg;
if( !_skip_signature_check )
{
auto digest = trx_arg.digest( _chain_id );
for( const auto& sig : trx.signatures )
{
auto key = fc::ecc::public_key( sig, digest, enforce_canonical ).serialize();
signed_keys.insert( address(key) );
signed_keys.insert( address(pts_address(key,false,56) ) );
signed_keys.insert( address(pts_address(key,true,56) ) );
signed_keys.insert( address(pts_address(key,false,0) ) );
signed_keys.insert( address(pts_address(key,true,0) ) );
}
}
current_op_index = 0;
for( const auto& op : trx.operations )
{
evaluate_operation( op );
++current_op_index;
}
post_evaluate();
validate_required_fee();
update_delegate_votes();
}
catch ( const fc::exception& e )
{
validation_error = e;
throw;
}
} FC_RETHROW_EXCEPTIONS( warn, "", ("trx",trx_arg) ) }
wallet_transaction_record wallet_db::cache_transaction( const signed_transaction& trx,
const asset& amount,
share_type fees,
const string& memo_message,
const public_key_type& to,
time_point_sec created,
time_point_sec received,
public_key_type from,
const vector<address>& extra_addresses
)
{ try {
auto trx_id = trx.id();
auto itr = transactions.find( trx_id );
wallet_transaction_record data;
if( itr != transactions.end() ) data = itr->second;
if( data.wallet_record_index == 0 ) data.wallet_record_index = new_wallet_record_index();
data.trx = trx;
data.transaction_id = trx.id();
data.amount = amount;
data.fees = fees;
data.to_account = to;
data.from_account = from;
data.created_time = created;
data.received_time = received;
data.memo_message = memo_message;
data.extra_addresses = extra_addresses;
store_record( data );
transactions[trx_id] = data;
return data;
//transaction_data data
} FC_RETHROW_EXCEPTIONS( warn, "",
("trx",trx)
("memo_message",memo_message)
("to",to) ) }
void transaction_evaluation_state::evaluate( const signed_transaction& trx_arg, bool skip_signature_check )
{ try {
reset();
_skip_signature_check = skip_signature_check;
try {
if( trx_arg.expiration < _current_state->now() )
{
auto expired_by_sec = (trx_arg.expiration - _current_state->now()).to_seconds();
FC_CAPTURE_AND_THROW( expired_transaction, (trx_arg)(_current_state->now())(expired_by_sec) );
}
if( trx_arg.expiration > (_current_state->now() + BTS_BLOCKCHAIN_MAX_TRANSACTION_EXPIRATION_SEC) )
FC_CAPTURE_AND_THROW( invalid_transaction_expiration, (trx_arg)(_current_state->now()) );
auto trx_size = fc::raw::pack_size(trx_arg);
if( trx_size > BTS_BLOCKCHAIN_MAX_TRANSACTION_SIZE )
FC_CAPTURE_AND_THROW( oversized_transaction, (trx_size ) );
auto trx_id = trx_arg.id();
if( _current_state->is_known_transaction( trx_id ) )
FC_CAPTURE_AND_THROW( duplicate_transaction, (trx_id) );
trx = trx_arg;
if( !_skip_signature_check )
{
auto digest = trx_arg.digest( _chain_id );
for( auto sig : trx.signatures )
{
auto key = fc::ecc::public_key( sig, digest ).serialize();
signed_keys.insert( address(key) );
signed_keys.insert( address(pts_address(key,false,56) ) );
signed_keys.insert( address(pts_address(key,true,56) ) );
signed_keys.insert( address(pts_address(key,false,0) ) );
signed_keys.insert( address(pts_address(key,true,0) ) );
}
}
for( auto op : trx.operations )
{
evaluate_operation( op );
}
post_evaluate();
validate_required_fee();
update_delegate_votes();
}
catch ( const fc::exception& e )
{
validation_error = e;
throw;
}
} FC_RETHROW_EXCEPTIONS( warn, "", ("trx",trx_arg) ) }
void apply(database &db, const signed_transaction &t, const options_type &opts) {
auto undo_session = db.start_undo_session(!(opts &
skip_undo_transaction));
db.pre_apply_transaction(t);
db.create<transaction_object>([&](transaction_object &trx) {
trx.trx_id = t.id();
trx.block_num = db.head_block().block_num;
auto pack_size = fc::raw::pack_size(t);
trx.packed_transaction.resize(pack_size);
fc::datastream<char *> ds(trx.packed_transaction.data(), pack_size);
fc::raw::pack(ds, t);
});
for (const auto &op : t.operations) {
apply(db, op, opts);
}
db.post_apply_transaction(t);
undo_session.squash();
}
void transaction_evaluation_state::evaluate( const signed_transaction& trx_arg )
{ try {
reset();
try {
if( trx_arg.expiration && *trx_arg.expiration < _current_state->now() )
FC_CAPTURE_AND_THROW( expired_transaction, (trx_arg)(_current_state->now()) );
auto trx_id = trx_arg.id();
ilog( "id: ${id}", ("id",trx_id) );
otransaction_record known_transaction= _current_state->get_transaction( trx_id );
if( known_transaction )
FC_CAPTURE_AND_THROW( duplicate_transaction, (known_transaction) );
trx = trx_arg;
auto digest = trx_arg.digest( _chain_id );
for( auto sig : trx.signatures )
{
auto key = fc::ecc::public_key( sig, digest ).serialize();
signed_keys.insert( address(key) );
signed_keys.insert( address(pts_address(key,false,56) ) );
signed_keys.insert( address(pts_address(key,true,56) ) );
signed_keys.insert( address(pts_address(key,false,0) ) );
signed_keys.insert( address(pts_address(key,true,0) ) );
}
for( auto op : trx.operations )
{
evaluate_operation( op );
}
post_evaluate();
validate_required_fee();
update_delegate_votes();
}
catch ( const fc::exception& e )
{
validation_error = e;
throw;
}
} FC_RETHROW_EXCEPTIONS( warn, "", ("trx",trx_arg) ) }
processed_transaction database::_apply_transaction(const signed_transaction& trx)
{ try {
uint32_t skip = get_node_properties().skip_flags;
if( true || !(skip&skip_validate) ) /* issue #505 explains why this skip_flag is disabled */
trx.validate();
auto& trx_idx = get_mutable_index_type<transaction_index>();
const chain_id_type& chain_id = get_chain_id();
auto trx_id = trx.id();
FC_ASSERT( (skip & skip_transaction_dupe_check) ||
trx_idx.indices().get<by_trx_id>().find(trx_id) == trx_idx.indices().get<by_trx_id>().end() );
transaction_evaluation_state eval_state(this);
const chain_parameters& chain_parameters = get_global_properties().parameters;
eval_state._trx = &trx;
if( !(skip & (skip_transaction_signatures | skip_authority_check) ) )
{
auto get_active = [&]( account_id_type id ) { return &id(*this).active; };
auto get_owner = [&]( account_id_type id ) { return &id(*this).owner; };
trx.verify_authority( chain_id, get_active, get_owner, get_global_properties().parameters.max_authority_depth );
}
//Skip all manner of expiration and TaPoS checking if we're on block 1; It's impossible that the transaction is
//expired, and TaPoS makes no sense as no blocks exist.
if( BOOST_LIKELY(head_block_num() > 0) )
{
if( !(skip & skip_tapos_check) )
{
const auto& tapos_block_summary = block_summary_id_type( trx.ref_block_num )(*this);
//Verify TaPoS block summary has correct ID prefix, and that this block's time is not past the expiration
FC_ASSERT( trx.ref_block_prefix == tapos_block_summary.block_id._hash[1] );
}
fc::time_point_sec now = head_block_time();
FC_ASSERT( trx.expiration <= now + chain_parameters.maximum_time_until_expiration, "",
("trx.expiration",trx.expiration)("now",now)("max_til_exp",chain_parameters.maximum_time_until_expiration));
FC_ASSERT( now <= trx.expiration, "", ("now",now)("trx.exp",trx.expiration) );
}
//Insert transaction into unique transactions database.
if( !(skip & skip_transaction_dupe_check) )
{
create<transaction_object>([&](transaction_object& transaction) {
transaction.trx_id = trx_id;
transaction.trx = trx;
});
}
eval_state.operation_results.reserve(trx.operations.size());
//Finally process the operations
processed_transaction ptrx(trx);
_current_op_in_trx = 0;
for( const auto& op : ptrx.operations )
{
eval_state.operation_results.emplace_back(apply_operation(eval_state, op));
++_current_op_in_trx;
}
ptrx.operation_results = std::move(eval_state.operation_results);
//Make sure the temp account has no non-zero balances
const auto& index = get_index_type<account_balance_index>().indices().get<by_account_asset>();
auto range = index.equal_range( boost::make_tuple( GRAPHENE_TEMP_ACCOUNT ) );
std::for_each(range.first, range.second, [](const account_balance_object& b) { FC_ASSERT(b.balance == 0); });
return ptrx;
} FC_CAPTURE_AND_RETHROW( (trx) ) }
transaction_metadata( const packed_transaction& ptrx )
:trx( ptrx.get_signed_transaction() ), packed_trx(ptrx) {
id = trx.id();
//raw_packed = fc::raw::pack( static_cast<const transaction&>(trx) );
signed_id = digest_type::hash(packed_trx);
}
transaction_metadata( const signed_transaction& t, packed_transaction::compression_type c = packed_transaction::none )
:trx(t),packed_trx(t, c) {
id = trx.id();
//raw_packed = fc::raw::pack( static_cast<const transaction&>(trx) );
signed_id = digest_type::hash(packed_trx);
}