59 lines
2.4 KiB
C++
59 lines
2.4 KiB
C++
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#include <graphene/chain/balance_evaluator.hpp>
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namespace graphene { namespace chain {
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void_result balance_claim_evaluator::do_evaluate(const balance_claim_operation& op)
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{
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database& d = db();
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balance = &op.balance_to_claim(d);
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FC_ASSERT(op.balance_owner_key == balance->owner ||
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pts_address(op.balance_owner_key, false, 56) == balance->owner ||
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pts_address(op.balance_owner_key, true, 56) == balance->owner ||
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pts_address(op.balance_owner_key, false, 0) == balance->owner ||
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pts_address(op.balance_owner_key, true, 0) == balance->owner,
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"balance_owner_key does not match balance's owner");
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if( !(d.get_node_properties().skip_flags & (database::skip_authority_check |
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database::skip_transaction_signatures)) )
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FC_ASSERT(op.total_claimed.asset_id == balance->asset_type());
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if( balance->is_vesting_balance() ) {
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if( !balance->vesting_policy->is_withdraw_allowed({balance->balance,
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d.head_block_time(),
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op.total_claimed}) )
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FC_THROW_EXCEPTION(invalid_claim_amount,
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"Attempted to claim ${c} from a vesting balance with ${a} available",
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("c", op.total_claimed)("a", balance->available(d.head_block_time())));
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if( d.head_block_time() - balance->last_claim_date < fc::days(1) )
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FC_THROW_EXCEPTION(balance_claimed_too_often,
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"Genesis vesting balances may not be claimed more than once per day.");
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return {};
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}
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FC_ASSERT(op.total_claimed == balance->balance);
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return {};
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}
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/**
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* @note the fee is always 0 for this particular operation because once the
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* balance is claimed it frees up memory and it cannot be used to spam the network
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*/
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void_result balance_claim_evaluator::do_apply(const balance_claim_operation& op)
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{
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database& d = db();
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if( balance->is_vesting_balance() && op.total_claimed < balance->balance )
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d.modify(*balance, [&](balance_object& b) {
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b.vesting_policy->on_withdraw({b.balance, d.head_block_time(), op.total_claimed});
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b.balance -= op.total_claimed;
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b.last_claim_date = d.head_block_time();
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});
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else
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d.remove(*balance);
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d.adjust_balance(op.deposit_to_account, op.total_claimed);
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return {};
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}
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} } // namespace graphene::chain
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