130 lines
6.5 KiB
C++
130 lines
6.5 KiB
C++
#include <graphene/chain/protocol/tournament.hpp>
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#include <graphene/chain/tournament_object.hpp>
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#include <graphene/chain/tournament_evaluator.hpp>
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#include <graphene/chain/database.hpp>
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#include <graphene/chain/exceptions.hpp>
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#include <graphene/chain/hardfork.hpp>
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#include <graphene/chain/is_authorized_asset.hpp>
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namespace graphene { namespace chain {
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void_result tournament_create_evaluator::do_evaluate( const tournament_create_operation& op )
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{ try {
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database& d = db();
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FC_ASSERT(op.options.type_of_game == rock_paper_scissors, "Unsupported game type ${type}", ("type", op.options.type_of_game));
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FC_ASSERT(op.options.registration_deadline >= d.head_block_time(), "Registration deadline has already passed");
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// TODO: make this committee-set
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const fc::time_point_sec maximum_registration_deadline = d.head_block_time() + fc::days(30);
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FC_ASSERT(op.options.registration_deadline <= maximum_registration_deadline,
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"Registration deadline must be before ${maximum_registration_deadline}",
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("maximum_registration_deadline", maximum_registration_deadline));
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FC_ASSERT(op.options.number_of_players > 1, "If you're going to play with yourself, do it off-chain");
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// TODO: make this committee-set
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const uint32_t maximum_players_in_tournament = 256;
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FC_ASSERT(op.options.number_of_players <= maximum_players_in_tournament,
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"Tournaments may not have more than ${maximum_players_in_tournament} players",
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("maximum_players_in_tournament", maximum_players_in_tournament));
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// TODO: make this committee-set
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const uint32_t maximum_tournament_whitelist_length = 1000;
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FC_ASSERT(op.options.whitelist.size() != 1, "Can't create a tournament for one player");
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FC_ASSERT(op.options.whitelist.size() < maximum_tournament_whitelist_length,
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"Whitelist must not be longer than ${maximum_tournament_whitelist_length}",
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("maximum_tournament_whitelist_length", maximum_tournament_whitelist_length));
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if (op.options.start_time)
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{
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FC_ASSERT(!op.options.start_delay, "Cannot specify both a fixed start time and a delay");
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FC_ASSERT(*op.options.start_time >= op.options.registration_deadline,
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"Cannot start before registration deadline expires");
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// TODO: make this committee-set
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const uint32_t maximum_start_time_in_future = 60 * 60 * 24 * 7 * 4; // 1 month
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FC_ASSERT((*op.options.start_time - d.head_block_time()).to_seconds() <= maximum_start_time_in_future,
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"Start time is too far in the future");
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}
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else if (op.options.start_delay)
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{
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FC_ASSERT(!op.options.start_time, "Cannot specify both a fixed start time and a delay");
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// TODO: make this committee-set
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const uint32_t maximum_start_delay = 60 * 60 * 24 * 7; // 1 week
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FC_ASSERT(*op.options.start_delay < maximum_start_delay,
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"Start delay is too long");
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}
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else
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FC_THROW("Must specify either a fixed start time or a delay");
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// TODO: make this committee-set
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const uint32_t maximum_round_delay = 60 * 60; // one hour
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FC_ASSERT(op.options.round_delay < maximum_round_delay,
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"Round delay is too long");
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// TODO: make this committee-set
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const uint32_t maximum_tournament_number_of_wins = 100;
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FC_ASSERT(op.options.number_of_wins > 0);
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FC_ASSERT(op.options.number_of_wins <= maximum_tournament_number_of_wins,
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"Matches may not require more than ${number_of_wins} wins",
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("number_of_wins", maximum_tournament_number_of_wins));
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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object_id_type tournament_create_evaluator::do_apply( const tournament_create_operation& op )
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{ try {
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const tournament_object& new_tournament =
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db().create<tournament_object>( [&]( tournament_object& t ) {
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t.options = op.options;
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t.creator = op.creator;
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// t.dynamic_tournament_data_id = dyn_tournament.id;
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});
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return new_tournament.id;
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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void_result tournament_join_evaluator::do_evaluate( const tournament_join_operation& op )
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{ try {
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const database& d = db();
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const tournament_object& t = op.tournament_id(d);
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const account_object& payer_account = op.payer_account_id(d);
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const account_object& player_account = op.player_account_id(d);
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const asset_object& buy_in_asset_type = op.buy_in.asset_id(d);
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FC_ASSERT(t.registered_players.find(op.player_account_id) == t.registered_players.end(),
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"Player is already registered for this tournament");
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FC_ASSERT(op.buy_in == t.options.buy_in, "Buy-in is incorrect");
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GRAPHENE_ASSERT(!buy_in_asset_type.is_transfer_restricted(),
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transfer_restricted_transfer_asset,
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"Asset {asset} has transfer_restricted flag enabled",
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("asset", op.buy_in.asset_id));
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GRAPHENE_ASSERT(is_authorized_asset(d, payer_account, buy_in_asset_type),
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transfer_from_account_not_whitelisted,
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"payer account ${payer} is not whitelisted for asset ${asset}",
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("payer", op.payer_account_id)
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("asset", op.buy_in.asset_id));
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bool sufficient_balance = d.get_balance(payer_account, buy_in_asset_type).amount >= op.buy_in.amount;
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FC_ASSERT(sufficient_balance,
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"Insufficient Balance: paying account '${payer}' has insufficient balance to pay buy-in of ${buy_in} (balance is ${balance})",
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("payer", payer_account.name)
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("buy_in", d.to_pretty_string(op.buy_in))
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("balance",d.to_pretty_string(d.get_balance(payer_account, buy_in_asset_type))));
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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void_result tournament_join_evaluator::do_apply( const tournament_join_operation& op )
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{ try {
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const database& d = db();
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const tournament_object& t = op.tournament_id(d);
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db().adjust_balance(op.payer_account_id, -op.buy_in);
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db().modify(t, [&](tournament_object& tournament_obj){
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tournament_obj.payers[op.payer_account_id] += op.buy_in.amount;
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tournament_obj.registered_players.insert(op.player_account_id);
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});
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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} }
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