50 lines
1.1 KiB
Solidity
50 lines
1.1 KiB
Solidity
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// SPDX-License-Identifier: MIT
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pragma solidity ^0.6.0;
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import "../proxy/Initializable.sol";
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/**
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* @title MigratableMockV1
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* @dev This contract is a mock to test initializable functionality through migrations
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*/
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contract MigratableMockV1 is Initializable {
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uint256 public x;
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function initialize(uint256 value) public payable initializer {
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x = value;
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}
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}
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/**
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* @title MigratableMockV2
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* @dev This contract is a mock to test migratable functionality with params
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*/
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contract MigratableMockV2 is MigratableMockV1 {
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bool internal _migratedV2;
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uint256 public y;
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function migrate(uint256 value, uint256 anotherValue) public payable {
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require(!_migratedV2);
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x = value;
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y = anotherValue;
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_migratedV2 = true;
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}
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}
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/**
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* @title MigratableMockV3
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* @dev This contract is a mock to test migratable functionality without params
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*/
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contract MigratableMockV3 is MigratableMockV2 {
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bool internal _migratedV3;
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function migrate() public payable {
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require(!_migratedV3);
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uint256 oldX = x;
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x = y;
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y = oldX;
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_migratedV3 = true;
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}
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}
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