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Migrate contracts to Solidity 0.7 (#2319)

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* Update contract pragmas to solidity 0.7

* Remove internal declaration on constructors

* Reference SafeMath explicitely

* Remove public constructor declaration from abstract contracts

* Remove public constructor declaration from non-abstract contracts
This commit is contained in:
Elena Gesheva
2020-07-30 00:11:32 +03:00
committed by GitHub
parent 09014f90f9
commit 04fc35707d
125 changed files with 194 additions and 193 deletions
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4
contracts/token/ERC20/TokenTimelock.sol
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;
pragma solidity ^0.7.0;
import "./SafeERC20.sol";
@ -23,7 +23,7 @@ contract TokenTimelock {
// timestamp when token release is enabled
uint256 private _releaseTime;
constructor (IERC20 token, address beneficiary, uint256 releaseTime) public {
constructor (IERC20 token, address beneficiary, uint256 releaseTime) {
// solhint-disable-next-line not-rely-on-time
require(releaseTime > block.timestamp, "TokenTimelock: release time is before current time");
_token = token;