mirror of https://github.com/hyperledger/besu
An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu
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38 lines
1.1 KiB
38 lines
1.1 KiB
/*
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* Copyright ConsenSys AG.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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pragma solidity ^0.5.0;
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contract Migrations {
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address public owner;
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uint public last_completed_migration;
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modifier restricted() {
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if (msg.sender == owner) _;
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}
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constructor() public {
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owner = msg.sender;
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}
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function setCompleted(uint completed) public restricted {
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last_completed_migration = completed;
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}
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function upgrade(address new_address) public restricted {
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Migrations upgraded = Migrations(new_address);
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upgraded.setCompleted(last_completed_migration);
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}
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}
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