peerplays_migrated/libraries/chain/son_evaluator.cpp

90 lines
3.7 KiB
C++

#include <graphene/chain/son_evaluator.hpp>
#include <graphene/chain/database.hpp>
#include <graphene/chain/son_object.hpp>
#include <graphene/chain/hardfork.hpp>
#include <graphene/chain/vesting_balance_object.hpp>
namespace graphene { namespace chain {
void_result create_son_evaluator::do_evaluate(const son_create_operation& op)
{ try{
FC_ASSERT(db().head_block_time() >= HARDFORK_SON_TIME, "Not allowed until SON HARDFORK");
FC_ASSERT(db().get(op.owner_account).is_lifetime_member(), "Only Lifetime members may register a SON.");
FC_ASSERT(op.deposit(db()).policy.which() == vesting_policy::tag<dormant_vesting_policy>::value,
"Deposit balance must have dormant vesting policy");
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
object_id_type create_son_evaluator::do_apply(const son_create_operation& op)
{ try {
vote_id_type vote_id;
db().modify(db().get_global_properties(), [&vote_id](global_property_object& p) {
vote_id = get_next_vote_id(p, vote_id_type::son);
});
const auto& new_son_object = db().create<son_object>( [&]( son_object& obj ){
obj.son_account = op.owner_account;
obj.vote_id = vote_id;
obj.url = op.url;
obj.deposit = op.deposit;
obj.signing_key = op.signing_key;
obj.pay_vb = op.pay_vb;
});
return new_son_object.id;
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result update_son_evaluator::do_evaluate(const son_update_operation& op)
{ try {
FC_ASSERT(db().head_block_time() >= HARDFORK_SON_TIME, "Not allowed until SON HARDFORK"); // can be removed after HF date pass
FC_ASSERT(db().get(op.son_id).son_account == op.owner_account);
const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
FC_ASSERT( idx.find(op.son_id) != idx.end() );
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
object_id_type update_son_evaluator::do_apply(const son_update_operation& op)
{ try {
const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
auto itr = idx.find(op.son_id);
if(itr != idx.end())
{
db().modify(*itr, [&op](son_object &so) {
if(op.new_url.valid()) so.url = *op.new_url;
if(op.new_deposit.valid()) so.deposit = *op.new_deposit;
if(op.new_signing_key.valid()) so.signing_key = *op.new_signing_key;
if(op.new_pay_vb.valid()) so.pay_vb = *op.new_pay_vb;
});
}
return op.son_id;
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result delete_son_evaluator::do_evaluate(const son_delete_operation& op)
{ try {
FC_ASSERT(db().head_block_time() >= HARDFORK_SON_TIME, "Not allowed until SON_HARDFORK"); // can be removed after HF date pass
FC_ASSERT(db().get(op.son_id).son_account == op.owner_account);
const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
FC_ASSERT( idx.find(op.son_id) != idx.end() );
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result delete_son_evaluator::do_apply(const son_delete_operation& op)
{ try {
const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
auto son = idx.find(op.son_id);
if(son != idx.end()) {
vesting_balance_object deposit = son->deposit(db());
linear_vesting_policy new_vesting_policy;
new_vesting_policy.begin_timestamp = db().head_block_time();
new_vesting_policy.vesting_cliff_seconds = db().get_global_properties().parameters.son_vesting_period();
db().modify(son->deposit(db()), [&new_vesting_policy](vesting_balance_object &vbo) {
vbo.policy = new_vesting_policy;
});
db().remove(*son);
}
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
} } // namespace graphene::chain