73 lines
1.9 KiB
Solidity
73 lines
1.9 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.0;
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/**
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* @dev Tooling for timepoints, timers and delays
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*/
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library Timers {
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struct Timestamp {
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uint64 _deadline;
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}
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function getDeadline(Timestamp memory timer) internal pure returns (uint64) {
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return timer._deadline;
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}
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function setDeadline(Timestamp storage timer, uint64 timestamp) internal {
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timer._deadline = timestamp;
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}
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function reset(Timestamp storage timer) internal {
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timer._deadline = 0;
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}
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function isUnset(Timestamp memory timer) internal pure returns (bool) {
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return timer._deadline == 0;
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}
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function isStarted(Timestamp memory timer) internal pure returns (bool) {
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return timer._deadline > 0;
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}
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function isPending(Timestamp memory timer) internal view returns (bool) {
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return timer._deadline > block.timestamp;
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}
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function isExpired(Timestamp memory timer) internal view returns (bool) {
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return isStarted(timer) && timer._deadline <= block.timestamp;
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}
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struct BlockNumber {
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uint64 _deadline;
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}
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function getDeadline(BlockNumber memory timer) internal pure returns (uint64) {
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return timer._deadline;
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}
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function setDeadline(BlockNumber storage timer, uint64 timestamp) internal {
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timer._deadline = timestamp;
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}
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function reset(BlockNumber storage timer) internal {
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timer._deadline = 0;
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}
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function isUnset(BlockNumber memory timer) internal pure returns (bool) {
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return timer._deadline == 0;
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}
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function isStarted(BlockNumber memory timer) internal pure returns (bool) {
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return timer._deadline > 0;
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}
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function isPending(BlockNumber memory timer) internal view returns (bool) {
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return timer._deadline > block.number;
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}
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function isExpired(BlockNumber memory timer) internal view returns (bool) {
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return isStarted(timer) && timer._deadline <= block.number;
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}
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}
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