authority_checker( PermissionToAuthorityFunc permission_to_authority,
uint16_t recursion_depth_limit, const flat_set<public_key_type>& signing_keys,
flat_set<account_name> provided_auths = flat_set<account_name>() )
: permission_to_authority(permission_to_authority),
recursion_depth_limit(recursion_depth_limit),
signing_keys(signing_keys.begin(), signing_keys.end()),
_provided_auths(provided_auths.begin(), provided_auths.end()),
_used_keys(signing_keys.size(), false)
{}
set<public_key_type> signed_transaction::get_required_signatures(
const chain_id_type& chain_id,
const flat_set<public_key_type>& available_keys,
const std::function<const authority*(account_id_type)>& get_active,
const std::function<const authority*(account_id_type)>& get_owner,
uint32_t max_recursion_depth )const
{
flat_set<account_id_type> required_active;
flat_set<account_id_type> required_owner;
vector<authority> other;
get_required_authorities( required_active, required_owner, other );
sign_state s(get_signature_keys( chain_id ),get_active,available_keys);
s.max_recursion = max_recursion_depth;
for( const auto& auth : other )
s.check_authority(&auth);
for( auto& owner : required_owner )
s.check_authority( get_owner( owner ) );
for( auto& active : required_active )
s.check_authority( active );
s.remove_unused_signatures();
set<public_key_type> result;
for( auto& provided_sig : s.provided_signatures )
if( available_keys.find( provided_sig.first ) != available_keys.end() )
result.insert( provided_sig.first );
return result;
}
void required_approval_index::insert_or_remove_delta( proposal_id_type p,
const flat_set<account_id_type>& before,
const flat_set<account_id_type>& after )
{
auto b = before.begin();
auto a = after.begin();
while( b != before.end() || a != after.end() )
{
if( a == after.end() || (b != before.end() && *b < *a) )
{
remove( *b, p );
++b;
}
else if( b == before.end() || (a != after.end() && *a < *b) )
{
_account_to_proposals[*a].insert( p );
++a;
}
else // *a == *b
{
++a;
++b;
}
}
}
void verify_authority( const vector<operation>& ops, const flat_set<public_key_type>& sigs,
const std::function<const authority*(account_id_type)>& get_active,
const std::function<const authority*(account_id_type)>& get_owner,
uint32_t max_recursion_depth,
bool allow_committe,
const flat_set<account_id_type>& active_aprovals,
const flat_set<account_id_type>& owner_approvals )
{ try {
flat_set<account_id_type> required_active;
flat_set<account_id_type> required_owner;
vector<authority> other;
for( const auto& op : ops )
operation_get_required_authorities( op, required_active, required_owner, other );
if( !allow_committe )
GRAPHENE_ASSERT( required_active.find(GRAPHENE_COMMITTEE_ACCOUNT) == required_active.end(),
invalid_committee_approval, "Committee account may only propose transactions" );
sign_state s(sigs,get_active);
s.max_recursion = max_recursion_depth;
for( auto& id : active_aprovals )
s.approved_by.insert( id );
for( auto& id : owner_approvals )
s.approved_by.insert( id );
for( const auto& auth : other )
{
GRAPHENE_ASSERT( s.check_authority(&auth), tx_missing_other_auth, "Missing Authority", ("auth",auth)("sigs",sigs) );
}
// fetch all of the top level authorities
for( auto id : required_active )
{
GRAPHENE_ASSERT( s.check_authority(id) ||
s.check_authority(get_owner(id)),
tx_missing_active_auth, "Missing Active Authority ${id}", ("id",id)("auth",*get_active(id))("owner",*get_owner(id)) );
}
for( auto id : required_owner )
{
GRAPHENE_ASSERT( owner_approvals.find(id) != owner_approvals.end() ||
s.check_authority(get_owner(id)),
tx_missing_owner_auth, "Missing Owner Authority ${id}", ("id",id)("auth",*get_owner(id)) );
}
GRAPHENE_ASSERT(
!s.remove_unused_signatures(),
tx_irrelevant_sig,
"Unnecessary signature(s) detected"
);
} FC_CAPTURE_AND_RETHROW( (ops)(sigs) ) }
vector<asset> database_api::get_account_balances(account_id_type acnt, const flat_set<asset_id_type>& assets)const
{
vector<asset> result;
if (assets.empty())
{
// if the caller passes in an empty list of assets, return balances for all assets the account owns
const account_balance_index& balance_index = _db.get_index_type<account_balance_index>();
auto range = balance_index.indices().get<by_account>().equal_range(acnt);
for (const account_balance_object& balance : boost::make_iterator_range(range.first, range.second))
result.push_back(asset(balance.get_balance()));
}
else
{
result.reserve(assets.size());
std::transform(assets.begin(), assets.end(), std::back_inserter(result),
[this, acnt](asset_id_type id) { return _db.get_balance(acnt, id); });
}
return result;
}
bool has_permission( account_name n )const {
return _provided_auths.find(n) != _provided_auths.end();
}
