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51 lines
1.1 KiB
51 lines
1.1 KiB
3 years ago
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const format = require('../format-lines');
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const { range } = require('../../helpers');
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const LENGTHS = range(8, 256, 8).reverse(); // 248 → 8 (in steps of 8)
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const header = `\
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pragma solidity ^0.8.0;
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import "../utils/math/SafeCast.sol";
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`;
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const toInt = length => `\
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function toInt${length}(uint${length} a) public pure returns (int${length}) {
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return a.toInt${length}();
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}
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`;
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const toUint = length => `\
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function toUint${length}(int${length} a) public pure returns (uint${length}) {
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return a.toUint${length}();
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}
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`;
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const toIntDownCast = length => `\
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function toInt${length}(int256 a) public pure returns (int${length}) {
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return a.toInt${length}();
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}
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`;
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const toUintDownCast = length => `\
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function toUint${length}(uint256 a) public pure returns (uint${length}) {
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return a.toUint${length}();
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}
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`;
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// GENERATE
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module.exports = format(
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header,
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'contract SafeCastMock {',
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[
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'using SafeCast for uint256;',
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'using SafeCast for int256;',
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'',
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toUint(256),
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...LENGTHS.map(size => toUintDownCast(size)),
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toInt(256),
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...LENGTHS.map(size => toIntDownCast(size)),
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].flatMap(fn => fn.split('\n')).slice(0, -1),
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'}',
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);
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