ethers.js/lib.commonjs/hash/solidity.js

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"use strict";
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("../address/index.js");
const index_js_2 = require("../crypto/index.js");
const index_js_3 = require("../utils/index.js");
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const regexBytes = new RegExp("^bytes([0-9]+)$");
const regexNumber = new RegExp("^(u?int)([0-9]*)$");
const regexArray = new RegExp("^(.*)\\[([0-9]*)\\]$");
function _pack(type, value, isArray) {
switch (type) {
case "address":
if (isArray) {
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return (0, index_js_3.getBytes)((0, index_js_3.zeroPadValue)(value, 32));
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}
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return (0, index_js_3.getBytes)((0, index_js_1.getAddress)(value));
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case "string":
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return (0, index_js_3.toUtf8Bytes)(value);
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case "bytes":
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return (0, index_js_3.getBytes)(value);
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case "bool":
value = (!!value ? "0x01" : "0x00");
if (isArray) {
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return (0, index_js_3.getBytes)((0, index_js_3.zeroPadValue)(value, 32));
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}
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return (0, index_js_3.getBytes)(value);
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}
let match = type.match(regexNumber);
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_3.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) {
size = 256;
}
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if (signed) {
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value = (0, index_js_3.toTwos)(value, size);
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}
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return (0, index_js_3.getBytes)((0, index_js_3.zeroPadValue)((0, index_js_3.toBeArray)(value), size / 8));
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}
match = type.match(regexBytes);
if (match) {
const size = parseInt(match[1]);
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(0, index_js_3.assertArgument)(String(size) === match[1] && size !== 0 && size <= 32, "invalid bytes type", "type", type);
(0, index_js_3.assertArgument)((0, index_js_3.dataLength)(value) === size, `invalid value for ${type}`, "value", value);
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if (isArray) {
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return (0, index_js_3.getBytes)((0, index_js_3.zeroPadBytes)(value, 32));
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}
return value;
}
match = type.match(regexArray);
if (match && Array.isArray(value)) {
const baseType = match[1];
const count = parseInt(match[2] || String(value.length));
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(0, index_js_3.assertArgument)(count === value.length, `invalid array length for ${type}`, "value", value);
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const result = [];
value.forEach(function (value) {
result.push(_pack(baseType, value, true));
});
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return (0, index_js_3.getBytes)((0, index_js_3.concat)(result));
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}
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(0, index_js_3.assertArgument)(false, "invalid type", "type", type);
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}
// @TODO: Array Enum
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/**
* Computes the [[link-solc-packed]] representation of %%values%%
* respectively to their %%types%%.
*
* @example:
* addr = "0x8ba1f109551bd432803012645ac136ddd64dba72"
* solidityPacked([ "address", "uint" ], [ addr, 45 ]);
* //_result:
*/
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function solidityPacked(types, values) {
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(0, index_js_3.assertArgument)(types.length === values.length, "wrong number of values; expected ${ types.length }", "values", values);
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const tight = [];
types.forEach(function (type, index) {
tight.push(_pack(type, values[index]));
});
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return (0, index_js_3.hexlify)((0, index_js_3.concat)(tight));
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}
exports.solidityPacked = solidityPacked;
/**
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* Computes the [[link-solc-packed]] [[keccak256]] hash of %%values%%
* respectively to their %%types%%.
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*
* @example:
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* addr = "0x8ba1f109551bd432803012645ac136ddd64dba72"
* solidityPackedKeccak256([ "address", "uint" ], [ addr, 45 ]);
* //_result:
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*/
function solidityPackedKeccak256(types, values) {
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return (0, index_js_2.keccak256)(solidityPacked(types, values));
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}
exports.solidityPackedKeccak256 = solidityPackedKeccak256;
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/**
* Computes the [[link-solc-packed]] [[sha256]] hash of %%values%%
* respectively to their %%types%%.
*
* @example:
* addr = "0x8ba1f109551bd432803012645ac136ddd64dba72"
* solidityPackedSha256([ "address", "uint" ], [ addr, 45 ]);
* //_result:
*/
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function solidityPackedSha256(types, values) {
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return (0, index_js_2.sha256)(solidityPacked(types, values));
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}
exports.solidityPackedSha256 = solidityPackedSha256;
//# sourceMappingURL=solidity.js.map