void database_fixture::transfer(
const account_object& from,
const account_object& to,
const asset& amount,
const asset& fee /* = asset() */ )
{
try
{
trx.set_expiration(db.head_block_time() + fc::minutes(1));
trx.operations.push_back(transfer_operation({ fee, from.id, to.id, amount, memo_data() }));
if( fee == asset() )
{
for( auto& op : trx.operations ) op.visit( operation_set_fee( db.current_fee_schedule() ) );
}
trx.validate();
db.push_transaction(trx, ~0);
verify_asset_supplies(db);
trx.operations.clear();
} FC_CAPTURE_AND_RETHROW( (from.id)(to.id)(amount)(fee) )
}
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() }