void domain_buy_operation::evaluate( transaction_evaluation_state& eval_state )
{
FC_ASSERT( is_valid_domain( this->domain_name ), "Trying to buy an invalid domain name" );
auto now = eval_state._current_state->now().sec_since_epoch();
auto odomain_rec = eval_state._current_state->get_domain_record( this->domain_name );
/* If it already exists and hasn't expired and you offered enough */
if( odomain_rec.valid()
&& odomain_rec->get_true_state(now) == domain_record::in_sale
&& this->price >= odomain_rec->price )
{
share_type paid_to_owner = 0;
for (auto op : eval_state.trx.operations)
{
if (op.type == operation_type_enum::deposit_op_type)
{
auto deposit = op.as<deposit_operation>();
if (deposit.condition.type == withdraw_condition_types::withdraw_signature_type)
{
auto condition = deposit.condition.as<withdraw_with_signature>();
if (condition.owner == odomain_rec->owner)
{
paid_to_owner += deposit.amount;
}
}
}
}
FC_ASSERT( this->price == paid_to_owner );
FC_ASSERT( paid_to_owner >= odomain_rec->price, "Did not pay enough to previous owner" );
odomain_rec->state = domain_record::owned;
odomain_rec->owner = this->new_owner;
odomain_rec->last_update = eval_state._current_state->now().sec_since_epoch();
eval_state._current_state->store_domain_record( *odomain_rec );
return;
}
/* Domain does not exist or is not for sale or is too expensive, so this is an offer */
else
{
auto balance = eval_state._current_state->get_domain_offer(this->new_owner);
FC_ASSERT( !balance.valid(), "Trying to make an offer with an offer ID that already exists");
FC_ASSERT(this->price > 0, "Price must be greater than 0 when you offer" );
bool found_deposit = false;
for ( auto op : eval_state.trx.operations )
{
if (op.type == operation_type_enum::deposit_op_type)
{
auto deposit = op.as<deposit_operation>();
if( deposit.condition.type == withdraw_condition_types::withdraw_domain_offer_type )
{
auto condition = deposit.condition.as<bts::blockchain::withdraw_domain_offer>();
FC_ASSERT( condition.domain_name == this->domain_name, "condition does not match offer op" );
FC_ASSERT( condition.price == this->price, "condition does not match offer op" );
FC_ASSERT( condition.owner == this->new_owner, "condition does not match offer op" );
found_deposit = true;
}
}
}
FC_ASSERT( found_deposit, "Did not find a deposit on this domain offer transaction" );
auto offer_key = offer_index_key();
offer_key.price = this->price;
offer_key.domain_name = this->domain_name;
offer_key.offer_address = this->new_owner;
offer_key.offer_time = eval_state._current_state->now().sec_since_epoch();
ulog( "about to store offer\n" );
eval_state._current_state->store_domain_offer( offer_key );
}
}
static int is_valid_host(const char *str) {
return avs_net_validate_ip_address(AVS_NET_AF_INET4, str) == 0
|| avs_net_validate_ip_address(AVS_NET_AF_INET6, str) == 0
|| is_valid_domain(str);
}
