146 lines
6.7 KiB
C++
146 lines
6.7 KiB
C++
#include <graphene/chain/son_evaluator.hpp>
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#include <graphene/chain/database.hpp>
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#include <graphene/chain/son_object.hpp>
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#include <graphene/chain/witness_object.hpp>
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#include <graphene/chain/hardfork.hpp>
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#include <graphene/chain/vesting_balance_object.hpp>
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namespace graphene { namespace chain {
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void_result create_son_evaluator::do_evaluate(const son_create_operation& op)
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{ try{
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FC_ASSERT(db().head_block_time() >= HARDFORK_SON_TIME, "Not allowed until SON HARDFORK");
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FC_ASSERT(db().get(op.owner_account).is_lifetime_member(), "Only Lifetime members may register a SON.");
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FC_ASSERT(op.deposit(db()).policy.which() == vesting_policy::tag<dormant_vesting_policy>::value,
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"Deposit balance must have dormant vesting policy");
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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object_id_type create_son_evaluator::do_apply(const son_create_operation& op)
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{ try {
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vote_id_type vote_id;
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db().modify(db().get_global_properties(), [&vote_id](global_property_object& p) {
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vote_id = get_next_vote_id(p, vote_id_type::son);
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});
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const auto& new_son_object = db().create<son_object>( [&]( son_object& obj ){
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obj.son_account = op.owner_account;
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obj.vote_id = vote_id;
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obj.url = op.url;
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obj.deposit = op.deposit;
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obj.signing_key = op.signing_key;
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obj.sidechain_public_keys = op.sidechain_public_keys;
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obj.pay_vb = op.pay_vb;
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obj.statistics = db().create<son_statistics_object>([&](son_statistics_object& s){s.owner = obj.id;}).id;
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});
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return new_son_object.id;
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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void_result update_son_evaluator::do_evaluate(const son_update_operation& op)
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{ try {
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FC_ASSERT(db().head_block_time() >= HARDFORK_SON_TIME, "Not allowed until SON HARDFORK"); // can be removed after HF date pass
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FC_ASSERT(db().get(op.son_id).son_account == op.owner_account);
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const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
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FC_ASSERT( idx.find(op.son_id) != idx.end() );
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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object_id_type update_son_evaluator::do_apply(const son_update_operation& op)
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{ try {
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const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
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auto itr = idx.find(op.son_id);
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if(itr != idx.end())
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{
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db().modify(*itr, [&op](son_object &so) {
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if(op.new_url.valid()) so.url = *op.new_url;
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if(op.new_deposit.valid()) so.deposit = *op.new_deposit;
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if(op.new_signing_key.valid()) so.signing_key = *op.new_signing_key;
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if(op.new_sidechain_public_keys.valid()) so.sidechain_public_keys = *op.new_sidechain_public_keys;
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if(op.new_pay_vb.valid()) so.pay_vb = *op.new_pay_vb;
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});
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}
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return op.son_id;
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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void_result delete_son_evaluator::do_evaluate(const son_delete_operation& op)
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{ try {
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FC_ASSERT(db().head_block_time() >= HARDFORK_SON_TIME, "Not allowed until SON_HARDFORK"); // can be removed after HF date pass
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// Get the current block witness signatory
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witness_id_type wit_id = db().get_scheduled_witness(1);
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const witness_object& current_witness = wit_id(db());
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// Either owner can remove or witness
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FC_ASSERT(db().get(op.son_id).son_account == op.owner_account || (db().is_son_dereg_valid(op.son_id) && op.payer == current_witness.witness_account));
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const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
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FC_ASSERT( idx.find(op.son_id) != idx.end() );
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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void_result delete_son_evaluator::do_apply(const son_delete_operation& op)
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{ try {
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const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
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auto son = idx.find(op.son_id);
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if(son != idx.end()) {
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vesting_balance_object deposit = son->deposit(db());
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linear_vesting_policy new_vesting_policy;
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new_vesting_policy.begin_timestamp = db().head_block_time();
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new_vesting_policy.vesting_cliff_seconds = db().get_global_properties().parameters.son_vesting_period();
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new_vesting_policy.begin_balance = deposit.balance.amount;
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db().modify(son->deposit(db()), [&new_vesting_policy](vesting_balance_object &vbo) {
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vbo.policy = new_vesting_policy;
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});
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db().remove(*son);
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}
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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void_result son_heartbeat_evaluator::do_evaluate(const son_heartbeat_operation& op)
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{ try {
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FC_ASSERT(db().head_block_time() >= HARDFORK_SON_TIME, "Not allowed until SON HARDFORK"); // can be removed after HF date pass
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FC_ASSERT(db().get(op.son_id).son_account == op.owner_account);
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const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
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FC_ASSERT( idx.find(op.son_id) != idx.end() );
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auto itr = idx.find(op.son_id);
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auto stats = itr->statistics( db() );
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// Inactive SONs need not send heartbeats
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FC_ASSERT(itr->status == son_status::active || itr->status == son_status::in_maintenance, "Inactive SONs need not send heartbeats");
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// Account for network delays
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fc::time_point_sec min_ts = db().head_block_time() - fc::seconds(5 * db().block_interval());
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// Account for server ntp sync difference
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fc::time_point_sec max_ts = db().head_block_time() + fc::seconds(2 * db().block_interval());
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FC_ASSERT(op.ts > stats.last_active_timestamp, "Heartbeat sent without waiting minimum time");
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FC_ASSERT(op.ts > stats.last_down_timestamp, "Heartbeat sent is invalid can't be <= last down timestamp");
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FC_ASSERT(op.ts >= min_ts, "Heartbeat ts is behind the min threshold");
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FC_ASSERT(op.ts <= max_ts, "Heartbeat ts is above the max threshold");
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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object_id_type son_heartbeat_evaluator::do_apply(const son_heartbeat_operation& op)
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{ try {
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const auto& idx = db().get_index_type<son_index>().indices().get<by_id>();
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auto itr = idx.find(op.son_id);
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if(itr != idx.end())
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{
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if(itr->status == son_status::in_maintenance) {
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db().modify( itr->statistics( db() ), [&]( son_statistics_object& sso )
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{
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sso.current_interval_downtime += op.ts.sec_since_epoch() - sso.last_down_timestamp.sec_since_epoch();
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sso.last_active_timestamp = op.ts;
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} );
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db().modify(*itr, [&op](son_object &so) {
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so.status = son_status::active;
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});
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} else if (itr->status == son_status::active) {
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db().modify( itr->statistics( db() ), [&]( son_statistics_object& sso )
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{
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sso.last_active_timestamp = op.ts;
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} );
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}
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}
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return op.son_id;
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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} } // namespace graphene::chain
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