void withdraw_operation::evaluate( transaction_evaluation_state& eval_state )const
{ try {
if( this->amount <= 0 )
FC_CAPTURE_AND_THROW( negative_withdraw, (amount) );
obalance_record current_balance_record = eval_state.pending_state()->get_balance_record( this->balance_id );
if( !current_balance_record.valid() )
FC_CAPTURE_AND_THROW( unknown_balance_record, (balance_id) );
if( this->amount > current_balance_record->get_spendable_balance( eval_state.pending_state()->now() ).amount )
FC_CAPTURE_AND_THROW( insufficient_funds, (current_balance_record)(amount) );
auto asset_rec = eval_state.pending_state()->get_asset_record( current_balance_record->condition.asset_id );
FC_ASSERT( asset_rec.valid() );
const bool authority_is_retracting = asset_rec->flag_is_active( asset_record::retractable_balances )
&& eval_state.verify_authority( asset_rec->authority );
if( !authority_is_retracting )
{
FC_ASSERT( !asset_rec->flag_is_active( asset_record::halted_withdrawals ) );
switch( (withdraw_condition_types)current_balance_record->condition.type )
{
case withdraw_signature_type:
{
const withdraw_with_signature condition = current_balance_record->condition.as<withdraw_with_signature>();
const address owner = condition.owner;
if( !eval_state.check_signature( owner ) )
FC_CAPTURE_AND_THROW( missing_signature, (owner) );
break;
}
case withdraw_vesting_type:
{
const withdraw_vesting condition = current_balance_record->condition.as<withdraw_vesting>();
const address owner = condition.owner;
if( !eval_state.check_signature( owner ) )
FC_CAPTURE_AND_THROW( missing_signature, (owner) );
break;
}
case withdraw_multisig_type:
{
auto multisig = current_balance_record->condition.as<withdraw_with_multisig>();
uint32_t valid_signatures = 0;
for( const auto& sig : multisig.owners )
valid_signatures += eval_state.check_signature( sig );
if( valid_signatures < multisig.required )
FC_CAPTURE_AND_THROW( missing_signature, (valid_signatures)(multisig) );
break;
}
default:
FC_CAPTURE_AND_THROW( invalid_withdraw_condition, (current_balance_record->condition) );
}
}
// update delegate vote on withdrawn account..
if( current_balance_record->condition.asset_id == 0 && current_balance_record->condition.slate_id )
eval_state.adjust_vote( current_balance_record->condition.slate_id, -this->amount );
if( asset_rec->is_market_issued() )
{
auto yield = current_balance_record->calculate_yield( eval_state.pending_state()->now(),
current_balance_record->balance,
asset_rec->collected_fees,
asset_rec->current_supply );
if( yield.amount > 0 )
{
asset_rec->collected_fees -= yield.amount;
current_balance_record->balance += yield.amount;
current_balance_record->deposit_date = eval_state.pending_state()->now();
eval_state.yield_claimed[ current_balance_record->asset_id() ] += yield.amount;
eval_state.pending_state()->store_asset_record( *asset_rec );
}
}
current_balance_record->balance -= this->amount;
current_balance_record->last_update = eval_state.pending_state()->now();
eval_state.pending_state()->store_balance_record( *current_balance_record );
if( asset_rec->withdrawal_fee != 0 && !eval_state.verify_authority( asset_rec->authority ) )
eval_state.min_fees[ asset_rec->id ] = std::max( asset_rec->withdrawal_fee, eval_state.min_fees[ asset_rec->id ] );
eval_state.add_balance( asset( this->amount, current_balance_record->condition.asset_id ) );
} FC_CAPTURE_AND_RETHROW( (*this) ) }
void release_escrow_operation::evaluate( transaction_evaluation_state& eval_state )const
{ try {
auto escrow_balance_record = eval_state.pending_state()->get_balance_record( this->escrow_id );
FC_ASSERT( escrow_balance_record.valid() );
if( this->amount_to_receiver < 0 )
FC_CAPTURE_AND_THROW( negative_withdraw, (amount_to_receiver) );
if( this->amount_to_sender < 0 )
FC_CAPTURE_AND_THROW( negative_withdraw, (amount_to_sender) );
if( !eval_state.check_signature( this->released_by ) )
FC_ASSERT( false, "transaction not signed by releasor" );
auto escrow_condition = escrow_balance_record->condition.as<withdraw_with_escrow>();
auto total_released = uint64_t(amount_to_sender) + uint64_t(amount_to_receiver);
FC_ASSERT( total_released <= escrow_balance_record->balance );
FC_ASSERT( total_released >= amount_to_sender ); // check for addition overflow
FC_ASSERT( total_released >= amount_to_receiver ); // check for addition overflow
escrow_balance_record->balance -= total_released;
auto asset_rec = eval_state.pending_state()->get_asset_record( escrow_balance_record->condition.asset_id );
if( amount_to_sender > 0 )
FC_ASSERT( asset_rec->address_is_whitelisted( escrow_condition.sender ) );
if( amount_to_receiver > 0 )
FC_ASSERT( asset_rec->address_is_whitelisted( escrow_condition.receiver ) );
const bool authority_is_retracting = asset_rec->flag_is_active( asset_record::retractable_balances )
&& eval_state.verify_authority( asset_rec->authority );
if( escrow_condition.sender == this->released_by )
{
FC_ASSERT( amount_to_sender == 0 );
FC_ASSERT( amount_to_receiver <= escrow_balance_record->balance );
if( !eval_state.check_signature( escrow_condition.sender ) && !authority_is_retracting)
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.sender) );
balance_record new_balance_record( escrow_condition.receiver,
asset( amount_to_receiver, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_receiver_balance = eval_state.pending_state()->get_balance_record( new_balance_record.id());
if( current_receiver_balance )
current_receiver_balance->balance += amount_to_receiver;
else
current_receiver_balance = new_balance_record;
eval_state.pending_state()->store_balance_record( *current_receiver_balance );
}
else if( escrow_condition.receiver == this->released_by )
{
FC_ASSERT( amount_to_receiver == 0 );
FC_ASSERT( amount_to_sender <= escrow_balance_record->balance );
if( !eval_state.check_signature( escrow_condition.receiver ) && !authority_is_retracting)
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.receiver) );
balance_record new_balance_record( escrow_condition.sender,
asset( amount_to_sender, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_sender_balance = eval_state.pending_state()->get_balance_record( new_balance_record.id());
if( current_sender_balance )
current_sender_balance->balance += amount_to_sender;
else
current_sender_balance = new_balance_record;
eval_state.pending_state()->store_balance_record( *current_sender_balance );
}
else if( escrow_condition.escrow == this->released_by )
{
if( !eval_state.check_signature( escrow_condition.escrow ) && !authority_is_retracting )
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.escrow) );
// get a balance record for the receiver, create it if necessary and deposit funds
{
balance_record new_balance_record( escrow_condition.receiver,
asset( amount_to_receiver, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_receiver_balance = eval_state.pending_state()->get_balance_record( new_balance_record.id());
if( current_receiver_balance )
current_receiver_balance->balance += amount_to_receiver;
else
current_receiver_balance = new_balance_record;
eval_state.pending_state()->store_balance_record( *current_receiver_balance );
}
// get a balance record for the sender, create it if necessary and deposit funds
{
balance_record new_balance_record( escrow_condition.sender,
asset( amount_to_sender, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_sender_balance = eval_state.pending_state()->get_balance_record( new_balance_record.id());
if( current_sender_balance )
current_sender_balance->balance += amount_to_sender;
else
current_sender_balance = new_balance_record;
eval_state.pending_state()->store_balance_record( *current_sender_balance );
}
}
else if( address() == this->released_by )
{
if( !eval_state.check_signature( escrow_condition.sender ) && !authority_is_retracting)
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.sender) );
if( !eval_state.check_signature( escrow_condition.receiver ) && !authority_is_retracting)
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.receiver) );
// get a balance record for the receiver, create it if necessary and deposit funds
{
balance_record new_balance_record( escrow_condition.receiver,
asset( amount_to_receiver, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_receiver_balance = eval_state.pending_state()->get_balance_record( new_balance_record.id());
if( current_receiver_balance )
current_receiver_balance->balance += amount_to_receiver;
else
current_receiver_balance = new_balance_record;
eval_state.pending_state()->store_balance_record( *current_receiver_balance );
}
// get a balance record for the sender, create it if necessary and deposit funds
{
balance_record new_balance_record( escrow_condition.sender,
asset( amount_to_sender, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_sender_balance = eval_state.pending_state()->get_balance_record( new_balance_record.id());
if( current_sender_balance )
current_sender_balance->balance += amount_to_sender;
else
current_sender_balance = new_balance_record;
eval_state.pending_state()->store_balance_record( *current_sender_balance );
}
}
else
{
FC_ASSERT( false, "not released by a party to the escrow transaction" );
}
eval_state.pending_state()->store_balance_record( *escrow_balance_record );
} FC_CAPTURE_AND_RETHROW( (*this) ) }
void release_escrow_operation::evaluate( transaction_evaluation_state& eval_state )
{ try {
FC_ASSERT( !"This operation is not enabled yet!" );
auto escrow_balance_record = eval_state._current_state->get_balance_record( this->escrow_id );
FC_ASSERT( escrow_balance_record.valid() );
if( !eval_state.check_signature( this->released_by ) )
FC_ASSERT( !"transaction not signed by releasor" );
auto escrow_condition = escrow_balance_record->condition.as<withdraw_with_escrow>();
auto total_released = amount_to_sender + amount_to_receiver;
FC_ASSERT( total_released <= escrow_balance_record->balance );
FC_ASSERT( total_released >= amount_to_sender ); // check for addition overflow
escrow_balance_record->balance -= total_released;
auto asset_rec = eval_state._current_state->get_asset_record( escrow_balance_record->condition.asset_id );
if( asset_rec->is_restricted() )
{
FC_ASSERT( eval_state._current_state->get_authorization( escrow_balance_record->condition.asset_id, escrow_condition.receiver ) );
}
if( asset_rec->is_retractable() )
{
if( eval_state.verify_authority( asset_rec->authority ) )
{
//
}
}
if( escrow_condition.sender == this->released_by )
{
FC_ASSERT( amount_to_sender == 0 );
FC_ASSERT( amount_to_receiver <= escrow_balance_record->balance );
if( !eval_state.check_signature( escrow_condition.sender ) )
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.sender) );
balance_record new_balance_record( escrow_condition.receiver,
asset( amount_to_receiver, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_receiver_balance = eval_state._current_state->get_balance_record( new_balance_record.id());
if( current_receiver_balance )
current_receiver_balance->balance += amount_to_receiver;
else
current_receiver_balance = new_balance_record;
eval_state._current_state->store_balance_record( *current_receiver_balance );
}
else if( escrow_condition.receiver == this->released_by )
{
FC_ASSERT( amount_to_receiver == 0 );
FC_ASSERT( amount_to_sender <= escrow_balance_record->balance );
if( !eval_state.check_signature( escrow_condition.receiver ) )
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.receiver) );
balance_record new_balance_record( escrow_condition.sender,
asset( amount_to_sender, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_sender_balance = eval_state._current_state->get_balance_record( new_balance_record.id());
if( current_sender_balance )
current_sender_balance->balance += amount_to_sender;
else
current_sender_balance = new_balance_record;
eval_state._current_state->store_balance_record( *current_sender_balance );
}
else if( escrow_condition.escrow == this->released_by )
{
if( !eval_state.check_signature( escrow_condition.escrow ) )
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.escrow) );
// get a balance record for the receiver, create it if necessary and deposit funds
{
balance_record new_balance_record( escrow_condition.receiver,
asset( amount_to_receiver, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_receiver_balance = eval_state._current_state->get_balance_record( new_balance_record.id());
if( current_receiver_balance )
current_receiver_balance->balance += amount_to_receiver;
else
current_receiver_balance = new_balance_record;
eval_state._current_state->store_balance_record( *current_receiver_balance );
}
// get a balance record for the sender, create it if necessary and deposit funds
{
balance_record new_balance_record( escrow_condition.sender,
asset( amount_to_sender, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_sender_balance = eval_state._current_state->get_balance_record( new_balance_record.id());
if( current_sender_balance )
current_sender_balance->balance += amount_to_sender;
else
current_sender_balance = new_balance_record;
eval_state._current_state->store_balance_record( *current_sender_balance );
}
}
else if( address() == this->released_by )
{
if( !eval_state.check_signature( escrow_condition.sender ) )
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.sender) );
if( !eval_state.check_signature( escrow_condition.receiver ) )
FC_CAPTURE_AND_THROW( missing_signature, (escrow_condition.receiver) );
// get a balance record for the receiver, create it if necessary and deposit funds
{
balance_record new_balance_record( escrow_condition.receiver,
asset( amount_to_receiver, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_receiver_balance = eval_state._current_state->get_balance_record( new_balance_record.id());
if( current_receiver_balance )
current_receiver_balance->balance += amount_to_receiver;
else
current_receiver_balance = new_balance_record;
eval_state._current_state->store_balance_record( *current_receiver_balance );
}
// get a balance record for the sender, create it if necessary and deposit funds
{
balance_record new_balance_record( escrow_condition.sender,
asset( amount_to_sender, escrow_balance_record->asset_id() ),
escrow_balance_record->slate_id() );
auto current_sender_balance = eval_state._current_state->get_balance_record( new_balance_record.id());
if( current_sender_balance )
current_sender_balance->balance += amount_to_sender;
else
current_sender_balance = new_balance_record;
eval_state._current_state->store_balance_record( *current_sender_balance );
}
}
else
{
FC_ASSERT( !"not released by a party to the escrow transaction" );
}
eval_state._current_state->store_balance_record( *escrow_balance_record );
} FC_CAPTURE_AND_RETHROW( (*this) ) }