本文整理汇总了C++中database::head_block_num方法的典型用法代码示例。如果您正苦于以下问题：C++ database::head_block_num方法的具体用法？C++ database::head_block_num怎么用？C++ database::head_block_num使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类database的用法示例。
在下文中一共展示了database::head_block_num方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: is_configured
bool fba_accumulator_object::is_configured( const database& db )const
{
if( !designated_asset.valid() )
{
ilog( "FBA fee in block ${b} not paid because designated asset was not configured", ("b", db.head_block_num()) );
return false;
}
const asset_object* dasset = db.find(*designated_asset);
if( dasset == nullptr )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset does not exist", ("b", db.head_block_num()) );
return false;
}
if( dasset->is_market_issued() )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: FBA is a BitAsset", ("b", db.head_block_num()) );
return false;
}
const uint16_t allowed_flags = charge_market_fee;
// check enabled issuer_permissions bits is subset of allowed_flags bits
if( (dasset->options.issuer_permissions & allowed_flags) != dasset->options.issuer_permissions )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: Disallowed permissions enabled", ("b", db.head_block_num()) );
return false;
}
// check enabled issuer_permissions bits is subset of allowed_flags bits
if( (dasset->options.flags & allowed_flags) != dasset->options.flags )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: Disallowed flags enabled", ("b", db.head_block_num()) );
return false;
}
if( !dasset->buyback_account.valid() )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset does not have a buyback account", ("b", db.head_block_num()) );
return false;
}
const account_object& issuer_acct = dasset->issuer(db);
if( issuer_acct.owner_special_authority.which() != special_authority::tag< top_holders_special_authority >::value )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset issuer has not set owner top_n control", ("b", db.head_block_num()) );
return false;
}
if( issuer_acct.active_special_authority.which() != special_authority::tag< top_holders_special_authority >::value )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset issuer has not set active top_n control", ("b", db.head_block_num()) );
return false;
}
if( issuer_acct.owner_special_authority.get< top_holders_special_authority >().asset != *designated_asset )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset issuer's top_n_control is not set to designated asset", ("b", db.head_block_num()) );
return false;
}
if( issuer_acct.active_special_authority.get< top_holders_special_authority >().asset != *designated_asset )
{
ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset issuer's top_n_control is not set to designated asset", ("b", db.head_block_num()) );
return false;
}
if( issuer_acct.top_n_control_flags != (account_object::top_n_control_owner | account_object::top_n_control_active) )
{
ilog( "FBA fee in block ${b} not paid because designated asset's top_n control has not yet activated (wait until next maintenance interval)", ("b", db.head_block_num()) );
return false;
}
return true;
}