transaction_builder& transaction_builder::update_asset( const string& symbol,
const optional<string>& name,
const optional<string>& description,
const optional<variant>& public_data,
const optional<double>& maximum_share_supply,
const optional<uint64_t>& precision )
{ try {
const oasset_record asset_record = _wimpl->_blockchain->get_asset_record( symbol );
FC_ASSERT( asset_record.valid() );
const oaccount_record issuer_account_record = _wimpl->_blockchain->get_account_record( asset_record->issuer_account_id );
if( !issuer_account_record.valid() )
FC_THROW_EXCEPTION( unknown_account, "Unknown issuer account id!" );
trx.update_asset( asset_record->id, name, description, public_data, maximum_share_supply, precision );
deduct_balance( issuer_account_record->active_key(), asset() );
ledger_entry entry;
entry.from_account = issuer_account_record->active_key();
entry.to_account = issuer_account_record->active_key();
entry.memo = "update " + symbol + " asset";
transaction_record.ledger_entries.push_back( entry );
required_signatures.insert( issuer_account_record->active_key() );
return *this;
} FC_CAPTURE_AND_RETHROW( (symbol)(name)(description)(public_data)(maximum_share_supply)(precision) ) }
void ad_operation::evaluate( transaction_evaluation_state& eval_state )const
{ try {
if( this->amount.amount <= 0 )
FC_CAPTURE_AND_THROW( negative_deposit, (amount) );
FC_ASSERT( !message.empty() );
FC_ASSERT( amount.asset_id == 0 );
const size_t message_kb = (message.size() / 1024) + 1;
const share_type required_fee = message_kb * BTS_BLOCKCHAIN_MIN_AD_FEE;
FC_ASSERT( amount.amount >= required_fee, "Message of size ${s} KiB requires at least ${a} satoshis to be pay!",
("s",message_kb)("a",required_fee) );
// half of the note fees goto collected fees(delegate pay), other go to ad owner
eval_state.min_fees[amount.asset_id] += required_fee;
FC_ASSERT( owner_account_id != 0 );
const oaccount_record owner_account_rec = eval_state.pending_state()->get_account_record( abs( this->owner_account_id ) );
FC_ASSERT( owner_account_rec.valid() );
auto owner_address = owner_account_rec->active_address();
auto ad_income_balance = eval_state.pending_state()->get_balance_record(withdraw_condition( withdraw_with_signature(owner_address), 0 ).get_address());
if( !ad_income_balance )
ad_income_balance = balance_record( owner_address, asset(0, 0), 0 );
auto ad_pay = amount.amount - required_fee;
ad_income_balance->balance += ad_pay;
ad_income_balance->last_update = eval_state.pending_state()->now();
ad_income_balance->deposit_date = eval_state.pending_state()->now();
eval_state.pending_state()->store_balance_record( *ad_income_balance );
eval_state.sub_balance( asset(ad_pay, amount.asset_id) );
// checking the signature of the publisher.
FC_ASSERT( publisher_account_id != 0 );
const oaccount_record publisher_account_rec = eval_state.pending_state()->get_account_record( abs( this->publisher_account_id ) );
FC_ASSERT( publisher_account_rec.valid() );
eval_state.check_signature( publisher_account_rec->active_key() );
ad_record record;
record.index.account_id = owner_account_id;
record.index.transaction_id = eval_state.trx.id();
record.publisher_id = publisher_account_id;
record.amount = amount;
record.message = message;
record.signer = message_signature;
// the message must be signed by the claimed publisher account
FC_ASSERT( publisher_account_rec->active_key() == record.signer_key() );
FC_ASSERT( !eval_state.pending_state()->get_ad_record( record.index ).valid() );
eval_state.pending_state()->store_ad_record( std::move( record ) );
} FC_CAPTURE_AND_RETHROW( (*this) ) }
void note_operation::evaluate( transaction_evaluation_state& eval_state )const
{ try {
#ifndef WIN32
#warning [HARDFORK] Remove this check after PLS_V0_1_0_FORK_BLOCK_NUM has passed
#endif
FC_ASSERT( eval_state.pending_state()->get_head_block_num() >= PLS_V0_1_0_FORK_BLOCK_NUM );
if( this->amount.amount <= 0 )
FC_CAPTURE_AND_THROW( negative_deposit, (amount) );
FC_ASSERT( !message->data.empty() );
FC_ASSERT( amount.asset_id == 0 );
const size_t message_kb = (message->data.size() / 1024) + 1;
const share_type required_fee = message_kb * BTS_BLOCKCHAIN_MIN_NOTE_FEE;
FC_ASSERT( amount.amount >= required_fee, "Message of size ${s} KiB requires at least ${a} satoshis to be burned!",
("s",message_kb)("a",required_fee) );
// 30% of the note fees goto collected fees(delegate pay), other go to the operation pool
eval_state.min_fees[amount.asset_id] += amount.amount * 3 / 10;
// TODO: instead of burn, the left will go to a fee pool attached to this operation.
auto op_reward_record = eval_state.pending_state()->get_operation_reward_record(note_op_type);
auto reward_fee = amount.amount - amount.amount * 3 / 10;
op_reward_record->fees[amount.asset_id] += reward_fee;
eval_state.sub_balance( asset(reward_fee, amount.asset_id) );
eval_state.pending_state()->store_operation_reward_record( *op_reward_record );
// the transaction check the signature of the owner
const oaccount_record account_rec = eval_state.pending_state()->get_account_record( abs( this->owner_account_id ) );
FC_ASSERT( account_rec.valid() );
eval_state.check_signature( account_rec->active_key() );
note_record record;
record.index.account_id = owner_account_id;
record.index.transaction_id = eval_state.trx.id();
record.amount = amount;
record.message = message;
record.signer = message_signature;
// verify the signature of the message, the message signer must be the account_id's active key
FC_ASSERT( account_rec->active_key() == record.signer_key() );
FC_ASSERT( !eval_state.pending_state()->get_note_record( record.index ).valid() );
eval_state.pending_state()->store_note_record( std::move( record ) );
} FC_CAPTURE_AND_RETHROW( (*this) ) }
