/**
* This method dumps the state of the blockchain in a semi-human readable form for the
* purpose of tracking down funds and mismatches in currency allocation
*/
void database::debug_dump()
{
const auto& db = *this;
const asset_dynamic_data_object& core_asset_data = db.get_core_asset().dynamic_asset_data_id(db);
const auto& balance_index = db.get_index_type<account_balance_index>().indices();
const simple_index<account_statistics_object>& statistics_index = db.get_index_type<simple_index<account_statistics_object>>();
map<asset_id_type,share_type> total_balances;
map<asset_id_type,share_type> total_debts;
share_type core_in_orders;
share_type reported_core_in_orders;
for( const account_balance_object& a : balance_index )
{
// idump(("balance")(a));
total_balances[a.asset_type] += a.balance;
}
for( const account_statistics_object& s : statistics_index )
{
// idump(("statistics")(s));
reported_core_in_orders += s.total_core_in_orders;
}
for( const limit_order_object& o : db.get_index_type<limit_order_index>().indices() )
{
// idump(("limit_order")(o));
auto for_sale = o.amount_for_sale();
if( for_sale.asset_id == asset_id_type() ) core_in_orders += for_sale.amount;
total_balances[for_sale.asset_id] += for_sale.amount;
}
for( const call_order_object& o : db.get_index_type<call_order_index>().indices() )
{
// idump(("call_order")(o));
auto col = o.get_collateral();
if( col.asset_id == asset_id_type() ) core_in_orders += col.amount;
total_balances[col.asset_id] += col.amount;
total_debts[o.get_debt().asset_id] += o.get_debt().amount;
}
for( const asset_object& asset_obj : db.get_index_type<asset_index>().indices() )
{
total_balances[asset_obj.id] += asset_obj.dynamic_asset_data_id(db).accumulated_fees;
total_balances[asset_id_type()] += asset_obj.dynamic_asset_data_id(db).fee_pool;
// edump((total_balances[asset_obj.id])(asset_obj.dynamic_asset_data_id(db).current_supply ) );
}
if( total_balances[asset_id_type()].value != core_asset_data.current_supply.value )
{
edump( (total_balances[asset_id_type()].value)(core_asset_data.current_supply.value ));
}
edump((core_in_orders)(reported_core_in_orders));
/*
const auto& vbidx = db.get_index_type<simple_index<vesting_balance_object>>();
for( const auto& s : vbidx )
{
// idump(("vesting_balance")(s));
}
*/
}
bool database::fill_order( const call_order_object& order, const asset& pays, const asset& receives )
{ try {
//idump((pays)(receives)(order));
FC_ASSERT( order.get_debt().asset_id == receives.asset_id );
FC_ASSERT( order.get_collateral().asset_id == pays.asset_id );
FC_ASSERT( order.get_collateral() >= pays );
optional<asset> collateral_freed;
modify( order, [&]( call_order_object& o ){
o.debt -= receives.amount;
o.collateral -= pays.amount;
if( o.debt == 0 )
{
collateral_freed = o.get_collateral();
o.collateral = 0;
}
});
const asset_object& mia = receives.asset_id(*this);
assert( mia.is_market_issued() );
const asset_dynamic_data_object& mia_ddo = mia.dynamic_asset_data_id(*this);
modify( mia_ddo, [&]( asset_dynamic_data_object& ao ){
//idump((receives));
ao.current_supply -= receives.amount;
});
const account_object& borrower = order.borrower(*this);
if( collateral_freed || pays.asset_id == asset_id_type() )
{
const account_statistics_object& borrower_statistics = borrower.statistics(*this);
if( collateral_freed )
adjust_balance(borrower.get_id(), *collateral_freed);
modify( borrower_statistics, [&]( account_statistics_object& b ){
if( collateral_freed && collateral_freed->amount > 0 )
b.total_core_in_orders -= collateral_freed->amount;
if( pays.asset_id == asset_id_type() )
b.total_core_in_orders -= pays.amount;
assert( b.total_core_in_orders >= 0 );
});
}
assert( pays.asset_id != receives.asset_id );
push_applied_operation( fill_order_operation{ order.id, order.borrower, pays, receives, asset(0, pays.asset_id) } );
if( collateral_freed )
remove( order );
return collateral_freed.valid();
} FC_CAPTURE_AND_RETHROW( (order)(pays)(receives) ) }
void refund_worker_type::pay_worker(share_type pay, database& db)
{
total_burned += pay;
db.modify(db.get(asset_id_type()).dynamic_data(db), [pay](asset_dynamic_data_object& d) {
d.current_supply -= pay;
});
}
void standard_asset() {
set_expiration( db, trx );
const auto& bitusd = create_bitasset("USDBIT", _feedproducer);
_swan = bitusd.id;
_back = asset_id_type();
update_feed_producers(swan(), {_feedproducer});
}
void database::pay_order( const account_object& receiver, const asset& receives, const asset& pays )
{
const auto& balances = receiver.statistics(*this);
modify( balances, [&]( account_statistics_object& b ){
if( pays.asset_id == asset_id_type() )
b.total_core_in_orders -= pays.amount;
});
adjust_balance(receiver.get_id(), receives);
}
void transaction_evaluation_state::update_delegate_votes()
{
auto asset_rec = _current_state->get_asset_record( asset_id_type() );
for( const auto& del_vote : net_delegate_votes )
{
auto del_rec = _current_state->get_account_record( del_vote.first );
FC_ASSERT( !!del_rec );
del_rec->adjust_votes_for( del_vote.second.votes_for );
_current_state->store_account_record( *del_rec );
}
}
/**
* Process all fees and update the asset records.
*/
void transaction_evaluation_state::post_evaluate()
{ try {
for( const auto& item : withdraws )
{
auto asset_rec = _current_state->get_asset_record( item.first );
if( !asset_rec.valid() ) FC_CAPTURE_AND_THROW( unknown_asset_id, (item) );
if( asset_rec->id > 0 && asset_rec->is_market_issued() && asset_rec->transaction_fee > 0 )
{
sub_balance( address(), asset(asset_rec->transaction_fee, asset_rec->id) );
}
}
balance[0]; // make sure we have something for this.
for( const auto& fee : balance )
{
if( fee.second < 0 ) FC_CAPTURE_AND_THROW( negative_fee, (fee) );
// if the fee is already in XTS or the fee balance is zero, move along...
if( fee.first == 0 || fee.second == 0 )
continue;
auto asset_record = _current_state->get_asset_record( fee.first );
if( !asset_record.valid() ) FC_CAPTURE_AND_THROW( unknown_asset_id, (fee.first) );
if( !asset_record->is_market_issued() )
continue;
// lowest ask is someone with XTS offered at a price of USD / XTS, fee.first
// is an amount of USD which can be converted to price*USD XTS provided we
// send lowest_ask.index.owner the USD
oprice median_price = _current_state->get_median_delegate_price( fee.first, asset_id_type( 0 ) );
if( median_price )
{
// fees paid in something other than XTS are discounted 50%
alt_fees_paid += asset( (fee.second*2)/3, fee.first ) * *median_price;
}
}
for( const auto& fee : balance )
{
if( fee.second < 0 ) FC_CAPTURE_AND_THROW( negative_fee, (fee) );
if( fee.second > 0 ) // if a fee was paid...
{
auto asset_record = _current_state->get_asset_record( fee.first );
if( !asset_record )
FC_CAPTURE_AND_THROW( unknown_asset_id, (fee.first) );
asset_record->collected_fees += fee.second;
_current_state->store_asset_record( *asset_record );
}
}
} FC_RETHROW_EXCEPTIONS( warn, "" ) }
asset fee_schedule::calculate_fee( const operation& op, const price& core_exchange_rate )const
{
auto base_value = op.visit( calc_fee_visitor( *this, op ) );
auto scaled = fc::uint128(base_value) * scale;
scaled /= GRAPHENE_100_PERCENT;
FC_ASSERT( scaled <= GRAPHENE_MAX_SHARE_SUPPLY );
//idump( (base_value)(scaled)(core_exchange_rate) );
auto result = asset( scaled.to_uint64(), asset_id_type(0) ) * core_exchange_rate;
//FC_ASSERT( result * core_exchange_rate >= asset( scaled.to_uint64()) );
while( result * core_exchange_rate < asset( scaled.to_uint64()) )
result.amount++;
FC_ASSERT( result.amount <= GRAPHENE_MAX_SHARE_SUPPLY );
return result;
}
vector<balance_object> database_api::get_balance_objects( const vector<address>& addrs )const
{ try {
const auto& bal_idx = _db.get_index_type<balance_index>();
const auto& by_owner_idx = bal_idx.indices().get<by_owner>();
vector<balance_object> result;
for( const auto& owner : addrs )
{
auto itr = by_owner_idx.lower_bound( boost::make_tuple( owner, asset_id_type(0) ) );
while( itr != by_owner_idx.end() && itr->owner == owner )
{
result.push_back( *itr );
++itr;
}
}
return result;
} FC_CAPTURE_AND_RETHROW( (addrs) ) }
asset fee_schedule::calculate_fee( const operation& op, const price& core_exchange_rate )const
{
//idump( (op)(core_exchange_rate) );
fee_parameters params; params.set_which(op.which());
auto itr = parameters.find(params);
if( itr != parameters.end() ) params = *itr;
auto base_value = op.visit( calc_fee_visitor( params ) );
auto scaled = fc::uint128(base_value) * scale;
scaled /= GRAPHENE_100_PERCENT;
FC_ASSERT( scaled <= GRAPHENE_MAX_SHARE_SUPPLY );
//idump( (base_value)(scaled)(core_exchange_rate) );
auto result = asset( scaled.to_uint64(), asset_id_type(0) ) * core_exchange_rate;
//FC_ASSERT( result * core_exchange_rate >= asset( scaled.to_uint64()) );
while( result * core_exchange_rate < asset( scaled.to_uint64()) )
result.amount++;
FC_ASSERT( result.amount <= GRAPHENE_MAX_SHARE_SUPPLY );
return result;
}
void database::init_genesis(const genesis_allocation& initial_allocation)
{ try {
_undo_db.disable();
fc::ecc::private_key genesis_private_key = fc::ecc::private_key::regenerate(fc::sha256::hash(string("genesis")));
const key_object& genesis_key =
create<key_object>( [&genesis_private_key](key_object& k) {
k.key_data = public_key_type(genesis_private_key.get_public_key());
});
const account_statistics_object& genesis_statistics =
create<account_statistics_object>( [&](account_statistics_object& b){
});
create<account_balance_object>( [](account_balance_object& b) {
b.balance = GRAPHENE_INITIAL_SUPPLY;
});
const account_object& genesis_account =
create<account_object>( [&](account_object& n) {
n.name = "genesis";
n.owner.add_authority(genesis_key.get_id(), 1);
n.owner.weight_threshold = 1;
n.active = n.owner;
n.memo_key = genesis_key.id;
n.statistics = genesis_statistics.id;
});
vector<delegate_id_type> init_delegates;
vector<witness_id_type> init_witnesses;
flat_set<witness_id_type> init_witness_set;
auto delegates_and_witnesses = std::max(GRAPHENE_MIN_WITNESS_COUNT, GRAPHENE_MIN_DELEGATE_COUNT);
for( int i = 0; i < delegates_and_witnesses; ++i )
{
const account_statistics_object& stats_obj =
create<account_statistics_object>( [&](account_statistics_object&){
});
const account_object& delegate_account =
create<account_object>( [&](account_object& a) {
a.active = a.owner = genesis_account.owner;
a.name = string("init") + fc::to_string(i);
a.statistics = stats_obj.id;
});
const delegate_object& init_delegate = create<delegate_object>( [&](delegate_object& d) {
d.delegate_account = delegate_account.id;
d.vote_id = i * 2;
});
init_delegates.push_back(init_delegate.id);
const witness_object& init_witness = create<witness_object>( [&](witness_object& d) {
d.witness_account = delegate_account.id;
d.vote_id = i * 2 + 1;
secret_hash_type::encoder enc;
fc::raw::pack( enc, genesis_private_key );
fc::raw::pack( enc, d.last_secret );
d.next_secret = secret_hash_type::hash(enc.result());
});
init_witnesses.push_back(init_witness.id);
init_witness_set.insert(init_witness.id);
}
create<block_summary_object>( [&](block_summary_object& p) {
});
const witness_schedule_object& wso =
create<witness_schedule_object>( [&]( witness_schedule_object& _wso )
{
memset( _wso.rng_seed.begin(), 0, _wso.rng_seed.size() );
witness_scheduler_rng rng( _wso.rng_seed.begin(), GRAPHENE_NEAR_SCHEDULE_CTR_IV );
_wso.scheduler = witness_scheduler();
_wso.scheduler._min_token_count = init_witnesses.size() / 2;
_wso.scheduler.update( init_witness_set );
for( int i=0; i<init_witnesses.size(); i++ )
_wso.scheduler.produce_schedule( rng );
_wso.last_scheduling_block = 0;
} ) ;
assert( wso.id == witness_schedule_id_type() );
const global_property_object& properties =
create<global_property_object>( [&](global_property_object& p) {
p.active_delegates = init_delegates;
for( const witness_id_type& wit : init_witnesses )
p.active_witnesses.insert( wit );
p.next_available_vote_id = delegates_and_witnesses * 2;
p.chain_id = fc::digest(initial_allocation);
});
(void)properties;
create<dynamic_global_property_object>( [&](dynamic_global_property_object& p) {
p.time = fc::time_point_sec( GRAPHENE_GENESIS_TIMESTAMP );
});
const asset_dynamic_data_object& dyn_asset =
create<asset_dynamic_data_object>( [&]( asset_dynamic_data_object& a ) {
a.current_supply = GRAPHENE_INITIAL_SUPPLY;
});
const asset_object& core_asset =
create<asset_object>( [&]( asset_object& a ) {
a.symbol = GRAPHENE_SYMBOL;
a.options.max_supply = GRAPHENE_INITIAL_SUPPLY;
a.precision = GRAPHENE_BLOCKCHAIN_PRECISION_DIGITS;
a.options.flags = 0;
a.options.issuer_permissions = 0;
a.issuer = genesis_account.id;
a.options.core_exchange_rate.base.amount = 1;
a.options.core_exchange_rate.base.asset_id = 0;
a.options.core_exchange_rate.quote.amount = 1;
a.options.core_exchange_rate.quote.asset_id = 0;
a.dynamic_asset_data_id = dyn_asset.id;
});
assert( asset_id_type(core_asset.id) == asset().asset_id );
assert( get_balance(account_id_type(), asset_id_type()) == asset(dyn_asset.current_supply) );
(void)core_asset;
if( !initial_allocation.empty() )
{
share_type total_allocation = 0;
for( const auto& handout : initial_allocation )
total_allocation += handout.second;
auto mangle_to_name = [](const fc::static_variant<public_key_type, address>& key) {
string addr = string(key.which() == std::decay<decltype(key)>::type::tag<address>::value? key.get<address>()
: key.get<public_key_type>());
string result = "bts";
string key_string = string(addr).substr(sizeof(GRAPHENE_ADDRESS_PREFIX)-1);
for( char c : key_string )
{
if( isupper(c) )
result += string("-") + char(tolower(c));
else
result += c;
}
return result;
};
fc::time_point start_time = fc::time_point::now();
for( const auto& handout : initial_allocation )
{
asset amount(handout.second);
amount.amount = ((fc::uint128(amount.amount.value) * GRAPHENE_INITIAL_SUPPLY)/total_allocation.value).to_uint64();
if( amount.amount == 0 )
{
wlog("Skipping zero allocation to ${k}", ("k", handout.first));
continue;
}
signed_transaction trx;
trx.operations.emplace_back(key_create_operation({asset(), genesis_account.id, handout.first}));
relative_key_id_type key_id(0);
authority account_authority(1, key_id, 1);
account_create_operation cop;
cop.name = mangle_to_name(handout.first);
cop.registrar = account_id_type(1);
cop.active = account_authority;
cop.owner = account_authority;
cop.memo_key = key_id;
trx.operations.push_back(cop);
trx.validate();
auto ptrx = apply_transaction(trx, ~0);
trx = signed_transaction();
account_id_type account_id(ptrx.operation_results.back().get<object_id_type>());
trx.operations.emplace_back(transfer_operation({ asset(),
genesis_account.id,
account_id,
amount,
memo_data()//vector<char>()
}));
trx.validate();
apply_transaction(trx, ~0);
}
asset leftovers = get_balance(account_id_type(), asset_id_type());
if( leftovers.amount > 0 )
{
modify(*get_index_type<account_balance_index>().indices().get<by_balance>().find(boost::make_tuple(account_id_type(), asset_id_type())),
[](account_balance_object& b) {
b.adjust_balance(-b.get_balance());
});
modify(core_asset.dynamic_asset_data_id(*this), [&leftovers](asset_dynamic_data_object& d) {
d.accumulated_fees += leftovers.amount;
});
}
fc::microseconds duration = fc::time_point::now() - start_time;
ilog("Finished allocating to ${n} accounts in ${t} milliseconds.",
("n", initial_allocation.size())("t", duration.count() / 1000));
}
_undo_db.enable();
} FC_LOG_AND_RETHROW() }
void database::init_genesis(const genesis_state_type& genesis_state)
{ try {
FC_ASSERT( genesis_state.initial_timestamp != time_point_sec(), "Must initialize genesis timestamp." );
FC_ASSERT( genesis_state.initial_timestamp.sec_since_epoch() % GRAPHENE_DEFAULT_BLOCK_INTERVAL == 0,
"Genesis timestamp must be divisible by GRAPHENE_DEFAULT_BLOCK_INTERVAL." );
FC_ASSERT(genesis_state.initial_witness_candidates.size() > 0,
"Cannot start a chain with zero witnesses.");
FC_ASSERT(genesis_state.initial_active_witnesses <= genesis_state.initial_witness_candidates.size(),
"initial_active_witnesses is larger than the number of candidate witnesses.");
_undo_db.disable();
struct auth_inhibitor {
auth_inhibitor(database& db) : db(db), old_flags(db.node_properties().skip_flags)
{ db.node_properties().skip_flags |= skip_authority_check; }
~auth_inhibitor()
{ db.node_properties().skip_flags = old_flags; }
private:
database& db;
uint32_t old_flags;
} inhibitor(*this);
transaction_evaluation_state genesis_eval_state(this);
flat_index<block_summary_object>& bsi = get_mutable_index_type< flat_index<block_summary_object> >();
bsi.resize(0xffff+1);
// Create blockchain accounts
fc::ecc::private_key null_private_key = fc::ecc::private_key::regenerate(fc::sha256::hash(string("null_key")));
create<account_balance_object>([](account_balance_object& b) {
b.balance = GRAPHENE_MAX_SHARE_SUPPLY;
});
const account_object& committee_account =
create<account_object>( [&](account_object& n) {
n.membership_expiration_date = time_point_sec::maximum();
n.network_fee_percentage = GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
n.lifetime_referrer_fee_percentage = GRAPHENE_100_PERCENT - GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
n.owner.weight_threshold = 1;
n.active.weight_threshold = 1;
n.name = "committee-account";
n.statistics = create<account_statistics_object>( [&](account_statistics_object& s){ s.owner = n.id; }).id;
});
FC_ASSERT(committee_account.get_id() == GRAPHENE_COMMITTEE_ACCOUNT);
FC_ASSERT(create<account_object>([this](account_object& a) {
a.name = "witness-account";
a.statistics = create<account_statistics_object>([&](account_statistics_object& s){s.owner = a.id;}).id;
a.owner.weight_threshold = 1;
a.active.weight_threshold = 1;
a.registrar = a.lifetime_referrer = a.referrer = GRAPHENE_WITNESS_ACCOUNT;
a.membership_expiration_date = time_point_sec::maximum();
a.network_fee_percentage = GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
a.lifetime_referrer_fee_percentage = GRAPHENE_100_PERCENT - GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
}).get_id() == GRAPHENE_WITNESS_ACCOUNT);
FC_ASSERT(create<account_object>([this](account_object& a) {
a.name = "relaxed-committee-account";
a.statistics = create<account_statistics_object>([&](account_statistics_object& s){s.owner = a.id;}).id;
a.owner.weight_threshold = 1;
a.active.weight_threshold = 1;
a.registrar = a.lifetime_referrer = a.referrer = GRAPHENE_RELAXED_COMMITTEE_ACCOUNT;
a.membership_expiration_date = time_point_sec::maximum();
a.network_fee_percentage = GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
a.lifetime_referrer_fee_percentage = GRAPHENE_100_PERCENT - GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
}).get_id() == GRAPHENE_RELAXED_COMMITTEE_ACCOUNT);
FC_ASSERT(create<account_object>([this](account_object& a) {
a.name = "null-account";
a.statistics = create<account_statistics_object>([&](account_statistics_object& s){s.owner = a.id;}).id;
a.owner.weight_threshold = 1;
a.active.weight_threshold = 1;
a.registrar = a.lifetime_referrer = a.referrer = GRAPHENE_NULL_ACCOUNT;
a.membership_expiration_date = time_point_sec::maximum();
a.network_fee_percentage = 0;
a.lifetime_referrer_fee_percentage = GRAPHENE_100_PERCENT;
}).get_id() == GRAPHENE_NULL_ACCOUNT);
FC_ASSERT(create<account_object>([this](account_object& a) {
a.name = "temp-account";
a.statistics = create<account_statistics_object>([&](account_statistics_object& s){s.owner = a.id;}).id;
a.owner.weight_threshold = 0;
a.active.weight_threshold = 0;
a.registrar = a.lifetime_referrer = a.referrer = GRAPHENE_TEMP_ACCOUNT;
a.membership_expiration_date = time_point_sec::maximum();
a.network_fee_percentage = GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
a.lifetime_referrer_fee_percentage = GRAPHENE_100_PERCENT - GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
}).get_id() == GRAPHENE_TEMP_ACCOUNT);
FC_ASSERT(create<account_object>([this](account_object& a) {
a.name = "proxy-to-self";
a.statistics = create<account_statistics_object>([&](account_statistics_object& s){s.owner = a.id;}).id;
a.owner.weight_threshold = 1;
a.active.weight_threshold = 1;
a.registrar = a.lifetime_referrer = a.referrer = GRAPHENE_NULL_ACCOUNT;
a.membership_expiration_date = time_point_sec::maximum();
a.network_fee_percentage = 0;
a.lifetime_referrer_fee_percentage = GRAPHENE_100_PERCENT;
}).get_id() == GRAPHENE_PROXY_TO_SELF_ACCOUNT);
// Create more special accounts
while( true )
{
uint64_t id = get_index<account_object>().get_next_id().instance();
if( id >= genesis_state.immutable_parameters.num_special_accounts )
break;
const account_object& acct = create<account_object>([&](account_object& a) {
a.name = "special-account-" + std::to_string(id);
a.statistics = create<account_statistics_object>([&](account_statistics_object& s){s.owner = a.id;}).id;
a.owner.weight_threshold = 1;
a.active.weight_threshold = 1;
a.registrar = a.lifetime_referrer = a.referrer = id;
a.membership_expiration_date = time_point_sec::maximum();
a.network_fee_percentage = GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
a.lifetime_referrer_fee_percentage = GRAPHENE_100_PERCENT - GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
});
FC_ASSERT( acct.get_id() == account_id_type(id) );
remove( acct );
}
// Create core asset
const asset_dynamic_data_object& dyn_asset =
create<asset_dynamic_data_object>([&](asset_dynamic_data_object& a) {
a.current_supply = GRAPHENE_MAX_SHARE_SUPPLY;
});
const asset_object& core_asset =
create<asset_object>( [&]( asset_object& a ) {
a.symbol = GRAPHENE_SYMBOL;
a.options.max_supply = genesis_state.max_core_supply;
a.precision = GRAPHENE_BLOCKCHAIN_PRECISION_DIGITS;
a.options.flags = 0;
a.options.issuer_permissions = 0;
a.issuer = GRAPHENE_NULL_ACCOUNT;
a.options.core_exchange_rate.base.amount = 1;
a.options.core_exchange_rate.base.asset_id = 0;
a.options.core_exchange_rate.quote.amount = 1;
a.options.core_exchange_rate.quote.asset_id = 0;
a.dynamic_asset_data_id = dyn_asset.id;
});
assert( asset_id_type(core_asset.id) == asset().asset_id );
assert( get_balance(account_id_type(), asset_id_type()) == asset(dyn_asset.current_supply) );
// Create more special assets
while( true )
{
uint64_t id = get_index<asset_object>().get_next_id().instance();
if( id >= genesis_state.immutable_parameters.num_special_assets )
break;
const asset_dynamic_data_object& dyn_asset =
create<asset_dynamic_data_object>([&](asset_dynamic_data_object& a) {
a.current_supply = 0;
});
const asset_object& asset_obj = create<asset_object>( [&]( asset_object& a ) {
a.symbol = "SPECIAL" + std::to_string( id );
a.options.max_supply = 0;
a.precision = GRAPHENE_BLOCKCHAIN_PRECISION_DIGITS;
a.options.flags = 0;
a.options.issuer_permissions = 0;
a.issuer = GRAPHENE_NULL_ACCOUNT;
a.options.core_exchange_rate.base.amount = 1;
a.options.core_exchange_rate.base.asset_id = 0;
a.options.core_exchange_rate.quote.amount = 1;
a.options.core_exchange_rate.quote.asset_id = 0;
a.dynamic_asset_data_id = dyn_asset.id;
});
FC_ASSERT( asset_obj.get_id() == asset_id_type(id) );
remove( asset_obj );
}
chain_id_type chain_id = genesis_state.compute_chain_id();
// Create global properties
create<global_property_object>([&](global_property_object& p) {
p.parameters = genesis_state.initial_parameters;
// Set fees to zero initially, so that genesis initialization needs not pay them
// We'll fix it at the end of the function
p.parameters.current_fees->zero_all_fees();
});
create<dynamic_global_property_object>([&](dynamic_global_property_object& p) {
p.time = genesis_state.initial_timestamp;
p.dynamic_flags = 0;
p.witness_budget = 0;
p.recent_slots_filled = fc::uint128::max_value();
});
FC_ASSERT( (genesis_state.immutable_parameters.min_witness_count & 1) == 1, "min_witness_count must be odd" );
FC_ASSERT( (genesis_state.immutable_parameters.min_committee_member_count & 1) == 1, "min_committee_member_count must be odd" );
create<chain_property_object>([&](chain_property_object& p)
{
p.chain_id = chain_id;
p.immutable_parameters = genesis_state.immutable_parameters;
} );
create<block_summary_object>([&](block_summary_object&) {});
// Create initial accounts
for( const auto& account : genesis_state.initial_accounts )
{
account_create_operation cop;
cop.name = account.name;
cop.registrar = GRAPHENE_TEMP_ACCOUNT;
cop.owner = authority(1, account.owner_key, 1);
if( account.active_key == public_key_type() )
{
cop.active = cop.owner;
cop.options.memo_key = account.owner_key;
}
else
{
cop.active = authority(1, account.active_key, 1);
cop.options.memo_key = account.active_key;
}
account_id_type account_id(apply_operation(genesis_eval_state, cop).get<object_id_type>());
if( account.is_lifetime_member )
{
account_upgrade_operation op;
op.account_to_upgrade = account_id;
op.upgrade_to_lifetime_member = true;
apply_operation(genesis_eval_state, op);
}
}
// Helper function to get account ID by name
const auto& accounts_by_name = get_index_type<account_index>().indices().get<by_name>();
auto get_account_id = [&accounts_by_name](const string& name) {
auto itr = accounts_by_name.find(name);
FC_ASSERT(itr != accounts_by_name.end(),
"Unable to find account '${acct}'. Did you forget to add a record for it to initial_accounts?",
("acct", name));
return itr->get_id();
};
// Helper function to get asset ID by symbol
const auto& assets_by_symbol = get_index_type<asset_index>().indices().get<by_symbol>();
const auto get_asset_id = [&assets_by_symbol](const string& symbol) {
auto itr = assets_by_symbol.find(symbol);
// TODO: This is temporary for handling BTS snapshot
if( symbol == "BTS" )
itr = assets_by_symbol.find(GRAPHENE_SYMBOL);
FC_ASSERT(itr != assets_by_symbol.end(),
"Unable to find asset '${sym}'. Did you forget to add a record for it to initial_assets?",
("sym", symbol));
return itr->get_id();
};
map<asset_id_type, share_type> total_supplies;
map<asset_id_type, share_type> total_debts;
// Create initial assets
for( const genesis_state_type::initial_asset_type& asset : genesis_state.initial_assets )
{
asset_id_type new_asset_id = get_index_type<asset_index>().get_next_id();
total_supplies[ new_asset_id ] = 0;
asset_dynamic_data_id_type dynamic_data_id;
optional<asset_bitasset_data_id_type> bitasset_data_id;
if( asset.is_bitasset )
{
int collateral_holder_number = 0;
total_debts[ new_asset_id ] = 0;
for( const auto& collateral_rec : asset.collateral_records )
{
account_create_operation cop;
cop.name = asset.symbol + "-collateral-holder-" + std::to_string(collateral_holder_number);
boost::algorithm::to_lower(cop.name);
cop.registrar = GRAPHENE_TEMP_ACCOUNT;
cop.owner = authority(1, collateral_rec.owner, 1);
cop.active = cop.owner;
account_id_type owner_account_id = apply_operation(genesis_eval_state, cop).get<object_id_type>();
modify( owner_account_id(*this).statistics(*this), [&]( account_statistics_object& o ) {
o.total_core_in_orders = collateral_rec.collateral;
});
create<call_order_object>([&](call_order_object& c) {
c.borrower = owner_account_id;
c.collateral = collateral_rec.collateral;
c.debt = collateral_rec.debt;
c.call_price = price::call_price(chain::asset(c.debt, new_asset_id),
chain::asset(c.collateral, core_asset.id),
GRAPHENE_DEFAULT_MAINTENANCE_COLLATERAL_RATIO);
});
total_supplies[ 0 ] += collateral_rec.collateral;
total_debts[ new_asset_id ] += collateral_rec.debt;
++collateral_holder_number;
}
bitasset_data_id = create<asset_bitasset_data_object>([&](asset_bitasset_data_object& b) {
b.options.short_backing_asset = core_asset.id;
b.options.minimum_feeds = GRAPHENE_DEFAULT_MINIMUM_FEEDS;
}).id;
}
dynamic_data_id = create<asset_dynamic_data_object>([&](asset_dynamic_data_object& d) {
d.accumulated_fees = asset.accumulated_fees;
}).id;
total_supplies[ new_asset_id ] += asset.accumulated_fees;
create<asset_object>([&](asset_object& a) {
a.symbol = asset.symbol;
a.options.description = asset.description;
a.precision = asset.precision;
string issuer_name = asset.issuer_name;
a.issuer = get_account_id(issuer_name);
a.options.max_supply = asset.max_supply;
a.options.flags = witness_fed_asset;
a.options.issuer_permissions = charge_market_fee | global_settle | witness_fed_asset | committee_fed_asset;
a.dynamic_asset_data_id = dynamic_data_id;
a.bitasset_data_id = bitasset_data_id;
});
}
// Create initial balances
share_type total_allocation;
for( const auto& handout : genesis_state.initial_balances )
{
const auto asset_id = get_asset_id(handout.asset_symbol);
create<balance_object>([&handout,&get_asset_id,total_allocation,asset_id](balance_object& b) {
b.balance = asset(handout.amount, asset_id);
b.owner = handout.owner;
});
total_supplies[ asset_id ] += handout.amount;
}
// Create initial vesting balances
for( const genesis_state_type::initial_vesting_balance_type& vest : genesis_state.initial_vesting_balances )
{
const auto asset_id = get_asset_id(vest.asset_symbol);
create<balance_object>([&](balance_object& b) {
b.owner = vest.owner;
b.balance = asset(vest.amount, asset_id);
linear_vesting_policy policy;
policy.begin_timestamp = vest.begin_timestamp;
policy.vesting_cliff_seconds = 0;
policy.vesting_duration_seconds = vest.vesting_duration_seconds;
policy.begin_balance = vest.begin_balance;
b.vesting_policy = std::move(policy);
});
total_supplies[ asset_id ] += vest.amount;
}
if( total_supplies[ 0 ] > 0 )
{
adjust_balance(GRAPHENE_COMMITTEE_ACCOUNT, -get_balance(GRAPHENE_COMMITTEE_ACCOUNT,{}));
}
else
{
total_supplies[ 0 ] = GRAPHENE_MAX_SHARE_SUPPLY;
}
const auto& idx = get_index_type<asset_index>().indices().get<by_symbol>();
auto it = idx.begin();
bool has_imbalanced_assets = false;
while( it != idx.end() )
{
if( it->bitasset_data_id.valid() )
{
auto supply_itr = total_supplies.find( it->id );
auto debt_itr = total_debts.find( it->id );
FC_ASSERT( supply_itr != total_supplies.end() );
FC_ASSERT( debt_itr != total_debts.end() );
if( supply_itr->second != debt_itr->second )
{
has_imbalanced_assets = true;
elog( "Genesis for asset ${aname} is not balanced\n"
" Debt is ${debt}\n"
" Supply is ${supply}\n",
("debt", debt_itr->second)
("supply", supply_itr->second)
);
}
}
++it;
}
FC_ASSERT( !has_imbalanced_assets );
// Save tallied supplies
for( const auto& item : total_supplies )
{
const auto asset_id = item.first;
const auto total_supply = item.second;
modify( get( asset_id ), [ & ]( asset_object& asset ) {
modify( get( asset.dynamic_asset_data_id ), [ & ]( asset_dynamic_data_object& asset_data ) {
asset_data.current_supply = total_supply;
} );
} );
}
// Create special witness account
const witness_object& wit = create<witness_object>([&](witness_object& w) {});
FC_ASSERT( wit.id == GRAPHENE_NULL_WITNESS );
remove(wit);
// Create initial witnesses
std::for_each(genesis_state.initial_witness_candidates.begin(), genesis_state.initial_witness_candidates.end(),
[&](const genesis_state_type::initial_witness_type& witness) {
witness_create_operation op;
op.witness_account = get_account_id(witness.owner_name);
op.block_signing_key = witness.block_signing_key;
apply_operation(genesis_eval_state, op);
});
// Create initial committee members
std::for_each(genesis_state.initial_committee_candidates.begin(), genesis_state.initial_committee_candidates.end(),
[&](const genesis_state_type::initial_committee_member_type& member) {
committee_member_create_operation op;
op.committee_member_account = get_account_id(member.owner_name);
apply_operation(genesis_eval_state, op);
});
// Create initial workers
std::for_each(genesis_state.initial_worker_candidates.begin(), genesis_state.initial_worker_candidates.end(),
[&](const genesis_state_type::initial_worker_type& worker)
{
worker_create_operation op;
op.owner = get_account_id(worker.owner_name);
op.work_begin_date = genesis_state.initial_timestamp;
op.work_end_date = time_point_sec::maximum();
op.daily_pay = worker.daily_pay;
op.name = "Genesis-Worker-" + worker.owner_name;
op.initializer = vesting_balance_worker_initializer{uint16_t(0)};
apply_operation(genesis_eval_state, std::move(op));
});
// Set active witnesses
modify(get_global_properties(), [&](global_property_object& p) {
for( uint32_t i = 1; i <= genesis_state.initial_active_witnesses; ++i )
{
p.active_witnesses.insert(i);
p.witness_accounts.insert(get(witness_id_type(i)).witness_account);
}
});
// Enable fees
modify(get_global_properties(), [&genesis_state](global_property_object& p) {
p.parameters.current_fees = genesis_state.initial_parameters.current_fees;
});
// Create witness scheduler
create<witness_schedule_object>([&]( witness_schedule_object& wso )
{
for( const witness_id_type& wid : get_global_properties().active_witnesses )
wso.current_shuffled_witnesses.push_back( wid );
});
debug_dump();
_undo_db.enable();
} FC_CAPTURE_AND_RETHROW() }
/**
* This method dumps the state of the blockchain in a semi-human readable form for the
* purpose of tracking down funds and mismatches in currency allocation
*/
void database::debug_dump()
{
const auto& db = *this;
const asset_dynamic_data_object& core_asset_data = db.get_core_asset().dynamic_asset_data_id(db);
const auto& balance_index = db.get_index_type<account_balance_index>().indices();
const auto& statistics_index = db.get_index_type<account_stats_index>().indices();
const auto& bids = db.get_index_type<collateral_bid_index>().indices();
const auto& settle_index = db.get_index_type<force_settlement_index>().indices();
map<asset_id_type,share_type> total_balances;
map<asset_id_type,share_type> total_debts;
share_type core_in_orders;
share_type reported_core_in_orders;
for( const account_balance_object& a : balance_index )
{
// idump(("balance")(a));
total_balances[a.asset_type] += a.balance;
}
for( const force_settlement_object& s : settle_index )
{
total_balances[s.balance.asset_id] += s.balance.amount;
}
for( const vesting_balance_object& vbo : db.get_index_type< vesting_balance_index >().indices() )
total_balances[ vbo.balance.asset_id ] += vbo.balance.amount;
for( const fba_accumulator_object& fba : db.get_index_type< simple_index< fba_accumulator_object > >() )
total_balances[ asset_id_type() ] += fba.accumulated_fba_fees;
for( const account_statistics_object& s : statistics_index )
{
// idump(("statistics")(s));
reported_core_in_orders += s.total_core_in_orders;
}
for( const collateral_bid_object& b : bids )
total_balances[b.inv_swan_price.base.asset_id] += b.inv_swan_price.base.amount;
for( const limit_order_object& o : db.get_index_type<limit_order_index>().indices() )
{
// idump(("limit_order")(o));
auto for_sale = o.amount_for_sale();
if( for_sale.asset_id == asset_id_type() ) core_in_orders += for_sale.amount;
total_balances[for_sale.asset_id] += for_sale.amount;
}
for( const call_order_object& o : db.get_index_type<call_order_index>().indices() )
{
// idump(("call_order")(o));
auto col = o.get_collateral();
if( col.asset_id == asset_id_type() ) core_in_orders += col.amount;
total_balances[col.asset_id] += col.amount;
total_debts[o.get_debt().asset_id] += o.get_debt().amount;
}
for( const asset_object& asset_obj : db.get_index_type<asset_index>().indices() )
{
total_balances[asset_obj.id] += asset_obj.dynamic_asset_data_id(db).accumulated_fees;
total_balances[asset_id_type()] += asset_obj.dynamic_asset_data_id(db).fee_pool;
// edump((total_balances[asset_obj.id])(asset_obj.dynamic_asset_data_id(db).current_supply ) );
}
if( total_balances[asset_id_type()].value != core_asset_data.current_supply.value )
{
FC_THROW( "computed balance of CORE mismatch",
("computed value",total_balances[asset_id_type()].value)
("current supply",core_asset_data.current_supply.value) );
}
/*
const auto& vbidx = db.get_index_type<simple_index<vesting_balance_object>>();
for( const auto& s : vbidx )
{
// idump(("vesting_balance")(s));
}
*/
}
const asset_object& database::get_core_asset() const
{
return get(asset_id_type());
}
string pretty_delegate_list( const vector<account_record>& delegate_records, cptr client )
{
if( delegate_records.empty() ) return "No delegates found.\n";
FC_ASSERT( client != nullptr );
std::stringstream out;
out << std::left;
out << std::setw( 6 ) << "ID";
out << std::setw( 32 ) << "NAME (* next in line)";
out << std::setw( 15 ) << "APPROVAL";
out << std::setw( 9 ) << "PRODUCED";
out << std::setw( 9 ) << "MISSED";
out << std::setw( 14 ) << "RELIABILITY";
out << std::setw( 9 ) << "PAY RATE";
out << std::setw( 20 ) << "PAY BALANCE";
out << std::setw( 10 ) << "LAST BLOCK";
out << "\n";
out << pretty_line( 124 );
out << "\n";
const auto current_slot_timestamp = blockchain::get_slot_start_time( blockchain::now() );
const auto head_block_timestamp = client->get_chain()->get_head_block().timestamp;
const auto next_slot_time = std::max( current_slot_timestamp, head_block_timestamp + BTS_BLOCKCHAIN_BLOCK_INTERVAL_SEC );
const auto& active_delegates = client->get_chain()->get_active_delegates();
const auto next_slot_signee = client->get_chain()->get_slot_signee( next_slot_time, active_delegates );
const auto next_signee_name = next_slot_signee.name;
const auto asset_record = client->get_chain()->get_asset_record( asset_id_type() );
FC_ASSERT( asset_record.valid() );
const auto share_supply = asset_record->current_share_supply;
for( const auto& delegate_record : delegate_records )
{
out << std::setw( 6 ) << delegate_record.id;
const auto delegate_name = delegate_record.name;
if( delegate_name != next_signee_name )
out << std::setw( 32 ) << pretty_shorten( delegate_name, 31 );
else
out << std::setw( 32 ) << pretty_shorten( delegate_name, 29 ) + " *";
out << std::setw( 15 ) << pretty_percent( delegate_record.net_votes(), share_supply, 10 );
const auto num_produced = delegate_record.delegate_info->blocks_produced;
const auto num_missed = delegate_record.delegate_info->blocks_missed;
out << std::setw( 9 ) << num_produced;
out << std::setw( 9 ) << num_missed;
out << std::setw( 14 ) << pretty_percent( num_produced, num_produced + num_missed, 2 );
out << std::setw( 9 ) << pretty_percent( delegate_record.delegate_info->pay_rate, 100, 0 );
const auto pay_balance = asset( delegate_record.delegate_info->pay_balance );
out << std::setw( 20 ) << client->get_chain()->to_pretty_asset( pay_balance );
const auto last_block = delegate_record.delegate_info->last_block_num_produced;
out << std::setw( 10 ) << ( last_block > 0 ? std::to_string( last_block ) : "NONE" );
out << "\n";
}
return out.str();
}
share_type chain_interface::get_delegate_pay_rate()const
{
const auto base_record = get_asset_record( asset_id_type( 0 ) );
FC_ASSERT( base_record.valid() );
return base_record->collected_fees / (BTS_BLOCKCHAIN_BLOCKS_PER_DAY * 14);
}
asset( share_type a = 0, asset_id_type id = asset_id_type() )
:amount(a),asset_id(id){}
/// The unit price for an asset type A is defined to be a price such that for any asset m, m*A=m
static price unit_price(asset_id_type a = asset_id_type()) { return price(asset(1, a), asset(1, a)); }
