25 lines
583 B
Solidity
25 lines
583 B
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity 0.8.10;
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contract Migrations {
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address public owner = msg.sender;
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uint public last_completed_migration;
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modifier restricted() {
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require(
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msg.sender == owner,
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"This function is restricted to the contract's owner"
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);
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_;
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}
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function setCompleted(uint completed) external restricted {
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last_completed_migration = completed;
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}
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function upgrade(address new_address) external 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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