41 lines
1.1 KiB
Solidity
41 lines
1.1 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity 0.8.23;
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contract Periods {
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type Period is uint256;
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uint256 internal immutable _secondsPerPeriod;
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constructor(uint256 secondsPerPeriod) {
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_secondsPerPeriod = secondsPerPeriod;
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}
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function _periodOf(uint256 timestamp) internal view returns (Period) {
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return Period.wrap(timestamp / _secondsPerPeriod);
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}
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function _blockPeriod() internal view returns (Period) {
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return _periodOf(block.timestamp);
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}
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function _nextPeriod(Period period) internal pure returns (Period) {
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return Period.wrap(Period.unwrap(period) + 1);
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}
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function _periodStart(Period period) internal view returns (uint256) {
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return Period.unwrap(period) * _secondsPerPeriod;
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}
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function _periodEnd(Period period) internal view returns (uint256) {
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return _periodStart(_nextPeriod(period));
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}
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function _isBefore(Period a, Period b) internal pure returns (bool) {
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return Period.unwrap(a) < Period.unwrap(b);
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}
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function _isAfter(Period a, Period b) internal pure returns (bool) {
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return _isBefore(b, a);
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}
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}
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