94 lines
4.0 KiB
JavaScript
94 lines
4.0 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.solidityPackedSha256 = exports.solidityPackedKeccak256 = exports.solidityPacked = void 0;
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const index_js_1 = require("../crypto/index.js");
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const index_js_2 = require("../utils/index.js");
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const regexBytes = new RegExp("^bytes([0-9]+)$");
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const regexNumber = new RegExp("^(u?int)([0-9]*)$");
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const regexArray = new RegExp("^(.*)\\[([0-9]*)\\]$");
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function _pack(type, value, isArray) {
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switch (type) {
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case "address":
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if (isArray) {
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return (0, index_js_2.getBytes)((0, index_js_2.zeroPadValue)(value, 32));
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}
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return (0, index_js_2.getBytes)(value);
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case "string":
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return (0, index_js_2.toUtf8Bytes)(value);
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case "bytes":
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return (0, index_js_2.getBytes)(value);
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case "bool":
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value = (!!value ? "0x01" : "0x00");
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if (isArray) {
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return (0, index_js_2.getBytes)((0, index_js_2.zeroPadValue)(value, 32));
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}
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return (0, index_js_2.getBytes)(value);
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}
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let match = type.match(regexNumber);
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if (match) {
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let signed = (match[1] === "int");
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let size = parseInt(match[2] || "256");
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(0, index_js_2.assertArgument)((!match[2] || match[2] === String(size)) && (size % 8 === 0) && size !== 0 && size <= 256, "invalid number type", "type", type);
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if (isArray) {
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size = 256;
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}
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if (signed) {
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value = (0, index_js_2.toTwos)(value, size);
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}
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return (0, index_js_2.getBytes)((0, index_js_2.zeroPadValue)((0, index_js_2.toArray)(value), size / 8));
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}
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match = type.match(regexBytes);
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if (match) {
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const size = parseInt(match[1]);
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(0, index_js_2.assertArgument)(String(size) === match[1] && size !== 0 && size <= 32, "invalid bytes type", "type", type);
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(0, index_js_2.assertArgument)((0, index_js_2.dataLength)(value) === size, `invalid value for ${type}`, "value", value);
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if (isArray) {
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return (0, index_js_2.getBytes)((0, index_js_2.zeroPadBytes)(value, 32));
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}
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return value;
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}
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match = type.match(regexArray);
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if (match && Array.isArray(value)) {
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const baseType = match[1];
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const count = parseInt(match[2] || String(value.length));
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(0, index_js_2.assertArgument)(count === value.length, `invalid array length for ${type}`, "value", value);
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const result = [];
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value.forEach(function (value) {
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result.push(_pack(baseType, value, true));
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});
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return (0, index_js_2.getBytes)((0, index_js_2.concat)(result));
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}
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(0, index_js_2.assertArgument)(false, "invalid type", "type", type);
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}
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// @TODO: Array Enum
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function solidityPacked(types, values) {
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(0, index_js_2.assertArgument)(types.length === values.length, "wrong number of values; expected ${ types.length }", "values", values);
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const tight = [];
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types.forEach(function (type, index) {
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tight.push(_pack(type, values[index]));
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});
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return (0, index_js_2.hexlify)((0, index_js_2.concat)(tight));
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}
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exports.solidityPacked = solidityPacked;
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/**
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* Computes the non-standard packed (tightly packed) keccak256 hash of
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* the values given the types.
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*
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* @param {Array<string>} types - The Solidity types to interpret each value as [default: bar]
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* @param {Array<any>} values - The values to pack
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*
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* @example:
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* solidityPackedKeccak256([ "address", "uint" ], [ "0x1234", 45 ]);
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* / /_result:
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*
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* @see https://docs.soliditylang.org/en/v0.8.14/abi-spec.html#non-standard-packed-mode
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*/
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function solidityPackedKeccak256(types, values) {
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return (0, index_js_1.keccak256)(solidityPacked(types, values));
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}
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exports.solidityPackedKeccak256 = solidityPackedKeccak256;
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function solidityPackedSha256(types, values) {
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return (0, index_js_1.sha256)(solidityPacked(types, values));
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}
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exports.solidityPackedSha256 = solidityPackedSha256;
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//# sourceMappingURL=solidity.js.map
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