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1153 lines
34 KiB
1153 lines
34 KiB
// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)
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// This file was procedurally generated from scripts/generate/templates/SafeCast.js.
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pragma solidity ^0.8.19;
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/**
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* @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
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* checks.
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*
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* Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
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* easily result in undesired exploitation or bugs, since developers usually
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* assume that overflows raise errors. `SafeCast` restores this intuition by
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* reverting the transaction when such an operation overflows.
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*
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* Using this library instead of the unchecked operations eliminates an entire
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* class of bugs, so it's recommended to use it always.
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*/
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library SafeCast {
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/**
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* @dev Value doesn't fit in an uint of `bits` size.
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*/
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error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);
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/**
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* @dev An int value doesn't fit in an uint of `bits` size.
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*/
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error SafeCastOverflowedIntToUint(int256 value);
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/**
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* @dev Value doesn't fit in an int of `bits` size.
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*/
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error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);
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/**
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* @dev An uint value doesn't fit in an int of `bits` size.
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*/
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error SafeCastOverflowedUintToInt(uint256 value);
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/**
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* @dev Returns the downcasted uint248 from uint256, reverting on
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* overflow (when the input is greater than largest uint248).
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*
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* Counterpart to Solidity's `uint248` operator.
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*
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* Requirements:
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*
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* - input must fit into 248 bits
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*/
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function toUint248(uint256 value) internal pure returns (uint248) {
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if (value > type(uint248).max) {
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revert SafeCastOverflowedUintDowncast(248, value);
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}
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return uint248(value);
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}
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/**
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* @dev Returns the downcasted uint240 from uint256, reverting on
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* overflow (when the input is greater than largest uint240).
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*
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* Counterpart to Solidity's `uint240` operator.
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*
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* Requirements:
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*
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* - input must fit into 240 bits
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*/
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function toUint240(uint256 value) internal pure returns (uint240) {
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if (value > type(uint240).max) {
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revert SafeCastOverflowedUintDowncast(240, value);
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}
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return uint240(value);
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}
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/**
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* @dev Returns the downcasted uint232 from uint256, reverting on
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* overflow (when the input is greater than largest uint232).
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*
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* Counterpart to Solidity's `uint232` operator.
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*
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* Requirements:
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*
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* - input must fit into 232 bits
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*/
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function toUint232(uint256 value) internal pure returns (uint232) {
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if (value > type(uint232).max) {
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revert SafeCastOverflowedUintDowncast(232, value);
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}
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return uint232(value);
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}
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/**
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* @dev Returns the downcasted uint224 from uint256, reverting on
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* overflow (when the input is greater than largest uint224).
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*
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* Counterpart to Solidity's `uint224` operator.
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*
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* Requirements:
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*
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* - input must fit into 224 bits
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*/
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function toUint224(uint256 value) internal pure returns (uint224) {
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if (value > type(uint224).max) {
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revert SafeCastOverflowedUintDowncast(224, value);
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}
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return uint224(value);
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}
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/**
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* @dev Returns the downcasted uint216 from uint256, reverting on
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* overflow (when the input is greater than largest uint216).
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*
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* Counterpart to Solidity's `uint216` operator.
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*
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* Requirements:
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*
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* - input must fit into 216 bits
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*/
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function toUint216(uint256 value) internal pure returns (uint216) {
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if (value > type(uint216).max) {
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revert SafeCastOverflowedUintDowncast(216, value);
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}
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return uint216(value);
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}
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/**
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* @dev Returns the downcasted uint208 from uint256, reverting on
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* overflow (when the input is greater than largest uint208).
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*
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* Counterpart to Solidity's `uint208` operator.
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*
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* Requirements:
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*
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* - input must fit into 208 bits
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*/
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function toUint208(uint256 value) internal pure returns (uint208) {
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if (value > type(uint208).max) {
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revert SafeCastOverflowedUintDowncast(208, value);
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}
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return uint208(value);
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}
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/**
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* @dev Returns the downcasted uint200 from uint256, reverting on
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* overflow (when the input is greater than largest uint200).
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*
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* Counterpart to Solidity's `uint200` operator.
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*
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* Requirements:
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*
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* - input must fit into 200 bits
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*/
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function toUint200(uint256 value) internal pure returns (uint200) {
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if (value > type(uint200).max) {
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revert SafeCastOverflowedUintDowncast(200, value);
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}
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return uint200(value);
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}
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/**
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* @dev Returns the downcasted uint192 from uint256, reverting on
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* overflow (when the input is greater than largest uint192).
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*
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* Counterpart to Solidity's `uint192` operator.
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*
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* Requirements:
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*
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* - input must fit into 192 bits
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*/
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function toUint192(uint256 value) internal pure returns (uint192) {
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if (value > type(uint192).max) {
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revert SafeCastOverflowedUintDowncast(192, value);
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}
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return uint192(value);
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}
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/**
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* @dev Returns the downcasted uint184 from uint256, reverting on
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* overflow (when the input is greater than largest uint184).
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*
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* Counterpart to Solidity's `uint184` operator.
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*
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* Requirements:
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*
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* - input must fit into 184 bits
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*/
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function toUint184(uint256 value) internal pure returns (uint184) {
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if (value > type(uint184).max) {
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revert SafeCastOverflowedUintDowncast(184, value);
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}
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return uint184(value);
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}
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/**
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* @dev Returns the downcasted uint176 from uint256, reverting on
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* overflow (when the input is greater than largest uint176).
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*
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* Counterpart to Solidity's `uint176` operator.
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*
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* Requirements:
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*
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* - input must fit into 176 bits
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*/
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function toUint176(uint256 value) internal pure returns (uint176) {
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if (value > type(uint176).max) {
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revert SafeCastOverflowedUintDowncast(176, value);
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}
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return uint176(value);
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}
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/**
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* @dev Returns the downcasted uint168 from uint256, reverting on
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* overflow (when the input is greater than largest uint168).
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*
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* Counterpart to Solidity's `uint168` operator.
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*
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* Requirements:
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*
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* - input must fit into 168 bits
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*/
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function toUint168(uint256 value) internal pure returns (uint168) {
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if (value > type(uint168).max) {
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revert SafeCastOverflowedUintDowncast(168, value);
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}
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return uint168(value);
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}
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/**
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* @dev Returns the downcasted uint160 from uint256, reverting on
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* overflow (when the input is greater than largest uint160).
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*
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* Counterpart to Solidity's `uint160` operator.
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*
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* Requirements:
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*
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* - input must fit into 160 bits
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*/
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function toUint160(uint256 value) internal pure returns (uint160) {
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if (value > type(uint160).max) {
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revert SafeCastOverflowedUintDowncast(160, value);
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}
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return uint160(value);
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}
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/**
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* @dev Returns the downcasted uint152 from uint256, reverting on
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* overflow (when the input is greater than largest uint152).
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*
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* Counterpart to Solidity's `uint152` operator.
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*
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* Requirements:
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*
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* - input must fit into 152 bits
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*/
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function toUint152(uint256 value) internal pure returns (uint152) {
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if (value > type(uint152).max) {
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revert SafeCastOverflowedUintDowncast(152, value);
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}
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return uint152(value);
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}
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/**
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* @dev Returns the downcasted uint144 from uint256, reverting on
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* overflow (when the input is greater than largest uint144).
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*
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* Counterpart to Solidity's `uint144` operator.
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*
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* Requirements:
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*
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* - input must fit into 144 bits
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*/
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function toUint144(uint256 value) internal pure returns (uint144) {
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if (value > type(uint144).max) {
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revert SafeCastOverflowedUintDowncast(144, value);
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}
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return uint144(value);
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}
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/**
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* @dev Returns the downcasted uint136 from uint256, reverting on
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* overflow (when the input is greater than largest uint136).
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*
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* Counterpart to Solidity's `uint136` operator.
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*
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* Requirements:
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*
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* - input must fit into 136 bits
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*/
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function toUint136(uint256 value) internal pure returns (uint136) {
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if (value > type(uint136).max) {
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revert SafeCastOverflowedUintDowncast(136, value);
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}
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return uint136(value);
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}
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/**
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* @dev Returns the downcasted uint128 from uint256, reverting on
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* overflow (when the input is greater than largest uint128).
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*
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* Counterpart to Solidity's `uint128` operator.
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*
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* Requirements:
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*
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* - input must fit into 128 bits
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*/
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function toUint128(uint256 value) internal pure returns (uint128) {
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if (value > type(uint128).max) {
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revert SafeCastOverflowedUintDowncast(128, value);
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}
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return uint128(value);
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}
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/**
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* @dev Returns the downcasted uint120 from uint256, reverting on
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* overflow (when the input is greater than largest uint120).
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*
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* Counterpart to Solidity's `uint120` operator.
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*
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* Requirements:
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*
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* - input must fit into 120 bits
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*/
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function toUint120(uint256 value) internal pure returns (uint120) {
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if (value > type(uint120).max) {
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revert SafeCastOverflowedUintDowncast(120, value);
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}
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return uint120(value);
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}
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/**
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* @dev Returns the downcasted uint112 from uint256, reverting on
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* overflow (when the input is greater than largest uint112).
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*
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* Counterpart to Solidity's `uint112` operator.
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*
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* Requirements:
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*
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* - input must fit into 112 bits
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*/
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function toUint112(uint256 value) internal pure returns (uint112) {
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if (value > type(uint112).max) {
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revert SafeCastOverflowedUintDowncast(112, value);
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}
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return uint112(value);
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}
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/**
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* @dev Returns the downcasted uint104 from uint256, reverting on
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* overflow (when the input is greater than largest uint104).
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*
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* Counterpart to Solidity's `uint104` operator.
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*
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* Requirements:
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*
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* - input must fit into 104 bits
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*/
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function toUint104(uint256 value) internal pure returns (uint104) {
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if (value > type(uint104).max) {
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revert SafeCastOverflowedUintDowncast(104, value);
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}
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return uint104(value);
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}
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/**
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* @dev Returns the downcasted uint96 from uint256, reverting on
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* overflow (when the input is greater than largest uint96).
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*
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* Counterpart to Solidity's `uint96` operator.
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*
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* Requirements:
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*
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* - input must fit into 96 bits
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*/
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function toUint96(uint256 value) internal pure returns (uint96) {
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if (value > type(uint96).max) {
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revert SafeCastOverflowedUintDowncast(96, value);
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}
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return uint96(value);
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}
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/**
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* @dev Returns the downcasted uint88 from uint256, reverting on
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* overflow (when the input is greater than largest uint88).
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*
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* Counterpart to Solidity's `uint88` operator.
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*
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* Requirements:
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*
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* - input must fit into 88 bits
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*/
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function toUint88(uint256 value) internal pure returns (uint88) {
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if (value > type(uint88).max) {
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revert SafeCastOverflowedUintDowncast(88, value);
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}
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return uint88(value);
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}
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/**
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* @dev Returns the downcasted uint80 from uint256, reverting on
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* overflow (when the input is greater than largest uint80).
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*
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* Counterpart to Solidity's `uint80` operator.
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*
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* Requirements:
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*
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* - input must fit into 80 bits
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*/
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function toUint80(uint256 value) internal pure returns (uint80) {
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if (value > type(uint80).max) {
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revert SafeCastOverflowedUintDowncast(80, value);
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}
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return uint80(value);
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}
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/**
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* @dev Returns the downcasted uint72 from uint256, reverting on
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* overflow (when the input is greater than largest uint72).
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*
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* Counterpart to Solidity's `uint72` operator.
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*
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* Requirements:
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*
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* - input must fit into 72 bits
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*/
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function toUint72(uint256 value) internal pure returns (uint72) {
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if (value > type(uint72).max) {
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revert SafeCastOverflowedUintDowncast(72, value);
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}
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return uint72(value);
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}
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/**
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* @dev Returns the downcasted uint64 from uint256, reverting on
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* overflow (when the input is greater than largest uint64).
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*
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* Counterpart to Solidity's `uint64` operator.
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*
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* Requirements:
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*
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* - input must fit into 64 bits
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*/
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function toUint64(uint256 value) internal pure returns (uint64) {
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if (value > type(uint64).max) {
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revert SafeCastOverflowedUintDowncast(64, value);
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}
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return uint64(value);
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}
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/**
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* @dev Returns the downcasted uint56 from uint256, reverting on
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* overflow (when the input is greater than largest uint56).
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*
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* Counterpart to Solidity's `uint56` operator.
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*
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* Requirements:
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*
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* - input must fit into 56 bits
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*/
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function toUint56(uint256 value) internal pure returns (uint56) {
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if (value > type(uint56).max) {
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revert SafeCastOverflowedUintDowncast(56, value);
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}
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return uint56(value);
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}
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|
|
/**
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* @dev Returns the downcasted uint48 from uint256, reverting on
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* overflow (when the input is greater than largest uint48).
|
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*
|
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* Counterpart to Solidity's `uint48` operator.
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*
|
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* Requirements:
|
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*
|
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* - input must fit into 48 bits
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*/
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function toUint48(uint256 value) internal pure returns (uint48) {
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if (value > type(uint48).max) {
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revert SafeCastOverflowedUintDowncast(48, value);
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}
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return uint48(value);
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}
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|
|
|
/**
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* @dev Returns the downcasted uint40 from uint256, reverting on
|
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* overflow (when the input is greater than largest uint40).
|
|
*
|
|
* Counterpart to Solidity's `uint40` operator.
|
|
*
|
|
* Requirements:
|
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*
|
|
* - input must fit into 40 bits
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*/
|
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function toUint40(uint256 value) internal pure returns (uint40) {
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if (value > type(uint40).max) {
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revert SafeCastOverflowedUintDowncast(40, value);
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}
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return uint40(value);
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}
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|
|
/**
|
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* @dev Returns the downcasted uint32 from uint256, reverting on
|
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* overflow (when the input is greater than largest uint32).
|
|
*
|
|
* Counterpart to Solidity's `uint32` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 32 bits
|
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*/
|
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function toUint32(uint256 value) internal pure returns (uint32) {
|
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if (value > type(uint32).max) {
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revert SafeCastOverflowedUintDowncast(32, value);
|
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}
|
|
return uint32(value);
|
|
}
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|
|
|
/**
|
|
* @dev Returns the downcasted uint24 from uint256, reverting on
|
|
* overflow (when the input is greater than largest uint24).
|
|
*
|
|
* Counterpart to Solidity's `uint24` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 24 bits
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*/
|
|
function toUint24(uint256 value) internal pure returns (uint24) {
|
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if (value > type(uint24).max) {
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revert SafeCastOverflowedUintDowncast(24, value);
|
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}
|
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return uint24(value);
|
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}
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|
|
/**
|
|
* @dev Returns the downcasted uint16 from uint256, reverting on
|
|
* overflow (when the input is greater than largest uint16).
|
|
*
|
|
* Counterpart to Solidity's `uint16` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 16 bits
|
|
*/
|
|
function toUint16(uint256 value) internal pure returns (uint16) {
|
|
if (value > type(uint16).max) {
|
|
revert SafeCastOverflowedUintDowncast(16, value);
|
|
}
|
|
return uint16(value);
|
|
}
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|
|
/**
|
|
* @dev Returns the downcasted uint8 from uint256, reverting on
|
|
* overflow (when the input is greater than largest uint8).
|
|
*
|
|
* Counterpart to Solidity's `uint8` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 8 bits
|
|
*/
|
|
function toUint8(uint256 value) internal pure returns (uint8) {
|
|
if (value > type(uint8).max) {
|
|
revert SafeCastOverflowedUintDowncast(8, value);
|
|
}
|
|
return uint8(value);
|
|
}
|
|
|
|
/**
|
|
* @dev Converts a signed int256 into an unsigned uint256.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must be greater than or equal to 0.
|
|
*/
|
|
function toUint256(int256 value) internal pure returns (uint256) {
|
|
if (value < 0) {
|
|
revert SafeCastOverflowedIntToUint(value);
|
|
}
|
|
return uint256(value);
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int248 from int256, reverting on
|
|
* overflow (when the input is less than smallest int248 or
|
|
* greater than largest int248).
|
|
*
|
|
* Counterpart to Solidity's `int248` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 248 bits
|
|
*/
|
|
function toInt248(int256 value) internal pure returns (int248 downcasted) {
|
|
downcasted = int248(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(248, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int240 from int256, reverting on
|
|
* overflow (when the input is less than smallest int240 or
|
|
* greater than largest int240).
|
|
*
|
|
* Counterpart to Solidity's `int240` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 240 bits
|
|
*/
|
|
function toInt240(int256 value) internal pure returns (int240 downcasted) {
|
|
downcasted = int240(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(240, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int232 from int256, reverting on
|
|
* overflow (when the input is less than smallest int232 or
|
|
* greater than largest int232).
|
|
*
|
|
* Counterpart to Solidity's `int232` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 232 bits
|
|
*/
|
|
function toInt232(int256 value) internal pure returns (int232 downcasted) {
|
|
downcasted = int232(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(232, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int224 from int256, reverting on
|
|
* overflow (when the input is less than smallest int224 or
|
|
* greater than largest int224).
|
|
*
|
|
* Counterpart to Solidity's `int224` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 224 bits
|
|
*/
|
|
function toInt224(int256 value) internal pure returns (int224 downcasted) {
|
|
downcasted = int224(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(224, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int216 from int256, reverting on
|
|
* overflow (when the input is less than smallest int216 or
|
|
* greater than largest int216).
|
|
*
|
|
* Counterpart to Solidity's `int216` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 216 bits
|
|
*/
|
|
function toInt216(int256 value) internal pure returns (int216 downcasted) {
|
|
downcasted = int216(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(216, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int208 from int256, reverting on
|
|
* overflow (when the input is less than smallest int208 or
|
|
* greater than largest int208).
|
|
*
|
|
* Counterpart to Solidity's `int208` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 208 bits
|
|
*/
|
|
function toInt208(int256 value) internal pure returns (int208 downcasted) {
|
|
downcasted = int208(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(208, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int200 from int256, reverting on
|
|
* overflow (when the input is less than smallest int200 or
|
|
* greater than largest int200).
|
|
*
|
|
* Counterpart to Solidity's `int200` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 200 bits
|
|
*/
|
|
function toInt200(int256 value) internal pure returns (int200 downcasted) {
|
|
downcasted = int200(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(200, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int192 from int256, reverting on
|
|
* overflow (when the input is less than smallest int192 or
|
|
* greater than largest int192).
|
|
*
|
|
* Counterpart to Solidity's `int192` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 192 bits
|
|
*/
|
|
function toInt192(int256 value) internal pure returns (int192 downcasted) {
|
|
downcasted = int192(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(192, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int184 from int256, reverting on
|
|
* overflow (when the input is less than smallest int184 or
|
|
* greater than largest int184).
|
|
*
|
|
* Counterpart to Solidity's `int184` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 184 bits
|
|
*/
|
|
function toInt184(int256 value) internal pure returns (int184 downcasted) {
|
|
downcasted = int184(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(184, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int176 from int256, reverting on
|
|
* overflow (when the input is less than smallest int176 or
|
|
* greater than largest int176).
|
|
*
|
|
* Counterpart to Solidity's `int176` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 176 bits
|
|
*/
|
|
function toInt176(int256 value) internal pure returns (int176 downcasted) {
|
|
downcasted = int176(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(176, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int168 from int256, reverting on
|
|
* overflow (when the input is less than smallest int168 or
|
|
* greater than largest int168).
|
|
*
|
|
* Counterpart to Solidity's `int168` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 168 bits
|
|
*/
|
|
function toInt168(int256 value) internal pure returns (int168 downcasted) {
|
|
downcasted = int168(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(168, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int160 from int256, reverting on
|
|
* overflow (when the input is less than smallest int160 or
|
|
* greater than largest int160).
|
|
*
|
|
* Counterpart to Solidity's `int160` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 160 bits
|
|
*/
|
|
function toInt160(int256 value) internal pure returns (int160 downcasted) {
|
|
downcasted = int160(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(160, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int152 from int256, reverting on
|
|
* overflow (when the input is less than smallest int152 or
|
|
* greater than largest int152).
|
|
*
|
|
* Counterpart to Solidity's `int152` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 152 bits
|
|
*/
|
|
function toInt152(int256 value) internal pure returns (int152 downcasted) {
|
|
downcasted = int152(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(152, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int144 from int256, reverting on
|
|
* overflow (when the input is less than smallest int144 or
|
|
* greater than largest int144).
|
|
*
|
|
* Counterpart to Solidity's `int144` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 144 bits
|
|
*/
|
|
function toInt144(int256 value) internal pure returns (int144 downcasted) {
|
|
downcasted = int144(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(144, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int136 from int256, reverting on
|
|
* overflow (when the input is less than smallest int136 or
|
|
* greater than largest int136).
|
|
*
|
|
* Counterpart to Solidity's `int136` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 136 bits
|
|
*/
|
|
function toInt136(int256 value) internal pure returns (int136 downcasted) {
|
|
downcasted = int136(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(136, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int128 from int256, reverting on
|
|
* overflow (when the input is less than smallest int128 or
|
|
* greater than largest int128).
|
|
*
|
|
* Counterpart to Solidity's `int128` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 128 bits
|
|
*/
|
|
function toInt128(int256 value) internal pure returns (int128 downcasted) {
|
|
downcasted = int128(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(128, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int120 from int256, reverting on
|
|
* overflow (when the input is less than smallest int120 or
|
|
* greater than largest int120).
|
|
*
|
|
* Counterpart to Solidity's `int120` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 120 bits
|
|
*/
|
|
function toInt120(int256 value) internal pure returns (int120 downcasted) {
|
|
downcasted = int120(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(120, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int112 from int256, reverting on
|
|
* overflow (when the input is less than smallest int112 or
|
|
* greater than largest int112).
|
|
*
|
|
* Counterpart to Solidity's `int112` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 112 bits
|
|
*/
|
|
function toInt112(int256 value) internal pure returns (int112 downcasted) {
|
|
downcasted = int112(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(112, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int104 from int256, reverting on
|
|
* overflow (when the input is less than smallest int104 or
|
|
* greater than largest int104).
|
|
*
|
|
* Counterpart to Solidity's `int104` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 104 bits
|
|
*/
|
|
function toInt104(int256 value) internal pure returns (int104 downcasted) {
|
|
downcasted = int104(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(104, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int96 from int256, reverting on
|
|
* overflow (when the input is less than smallest int96 or
|
|
* greater than largest int96).
|
|
*
|
|
* Counterpart to Solidity's `int96` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 96 bits
|
|
*/
|
|
function toInt96(int256 value) internal pure returns (int96 downcasted) {
|
|
downcasted = int96(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(96, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int88 from int256, reverting on
|
|
* overflow (when the input is less than smallest int88 or
|
|
* greater than largest int88).
|
|
*
|
|
* Counterpart to Solidity's `int88` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 88 bits
|
|
*/
|
|
function toInt88(int256 value) internal pure returns (int88 downcasted) {
|
|
downcasted = int88(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(88, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int80 from int256, reverting on
|
|
* overflow (when the input is less than smallest int80 or
|
|
* greater than largest int80).
|
|
*
|
|
* Counterpart to Solidity's `int80` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 80 bits
|
|
*/
|
|
function toInt80(int256 value) internal pure returns (int80 downcasted) {
|
|
downcasted = int80(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(80, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int72 from int256, reverting on
|
|
* overflow (when the input is less than smallest int72 or
|
|
* greater than largest int72).
|
|
*
|
|
* Counterpart to Solidity's `int72` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 72 bits
|
|
*/
|
|
function toInt72(int256 value) internal pure returns (int72 downcasted) {
|
|
downcasted = int72(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(72, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int64 from int256, reverting on
|
|
* overflow (when the input is less than smallest int64 or
|
|
* greater than largest int64).
|
|
*
|
|
* Counterpart to Solidity's `int64` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 64 bits
|
|
*/
|
|
function toInt64(int256 value) internal pure returns (int64 downcasted) {
|
|
downcasted = int64(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(64, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int56 from int256, reverting on
|
|
* overflow (when the input is less than smallest int56 or
|
|
* greater than largest int56).
|
|
*
|
|
* Counterpart to Solidity's `int56` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 56 bits
|
|
*/
|
|
function toInt56(int256 value) internal pure returns (int56 downcasted) {
|
|
downcasted = int56(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(56, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int48 from int256, reverting on
|
|
* overflow (when the input is less than smallest int48 or
|
|
* greater than largest int48).
|
|
*
|
|
* Counterpart to Solidity's `int48` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 48 bits
|
|
*/
|
|
function toInt48(int256 value) internal pure returns (int48 downcasted) {
|
|
downcasted = int48(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(48, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int40 from int256, reverting on
|
|
* overflow (when the input is less than smallest int40 or
|
|
* greater than largest int40).
|
|
*
|
|
* Counterpart to Solidity's `int40` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 40 bits
|
|
*/
|
|
function toInt40(int256 value) internal pure returns (int40 downcasted) {
|
|
downcasted = int40(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(40, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int32 from int256, reverting on
|
|
* overflow (when the input is less than smallest int32 or
|
|
* greater than largest int32).
|
|
*
|
|
* Counterpart to Solidity's `int32` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 32 bits
|
|
*/
|
|
function toInt32(int256 value) internal pure returns (int32 downcasted) {
|
|
downcasted = int32(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(32, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int24 from int256, reverting on
|
|
* overflow (when the input is less than smallest int24 or
|
|
* greater than largest int24).
|
|
*
|
|
* Counterpart to Solidity's `int24` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 24 bits
|
|
*/
|
|
function toInt24(int256 value) internal pure returns (int24 downcasted) {
|
|
downcasted = int24(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(24, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int16 from int256, reverting on
|
|
* overflow (when the input is less than smallest int16 or
|
|
* greater than largest int16).
|
|
*
|
|
* Counterpart to Solidity's `int16` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 16 bits
|
|
*/
|
|
function toInt16(int256 value) internal pure returns (int16 downcasted) {
|
|
downcasted = int16(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(16, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the downcasted int8 from int256, reverting on
|
|
* overflow (when the input is less than smallest int8 or
|
|
* greater than largest int8).
|
|
*
|
|
* Counterpart to Solidity's `int8` operator.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must fit into 8 bits
|
|
*/
|
|
function toInt8(int256 value) internal pure returns (int8 downcasted) {
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|
downcasted = int8(value);
|
|
if (downcasted != value) {
|
|
revert SafeCastOverflowedIntDowncast(8, value);
|
|
}
|
|
}
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|
|
|
/**
|
|
* @dev Converts an unsigned uint256 into a signed int256.
|
|
*
|
|
* Requirements:
|
|
*
|
|
* - input must be less than or equal to maxInt256.
|
|
*/
|
|
function toInt256(uint256 value) internal pure returns (int256) {
|
|
// Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
|
|
if (value > uint256(type(int256).max)) {
|
|
revert SafeCastOverflowedUintToInt(value);
|
|
}
|
|
return int256(value);
|
|
}
|
|
}
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|
|