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Текущая директория: /var/www/bitcardoApp/node_modules/ethers/lib.commonjs/abi
Просмотр файла: bytes32.js
"use strict";
/**
* About bytes32 strings...
*
* @_docloc: api/utils:Bytes32 Strings
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodeBytes32String = exports.encodeBytes32String = void 0;
const index_js_1 = require("../utils/index.js");
/**
* Encodes %%text%% as a Bytes32 string.
*/
function encodeBytes32String(text) {
// Get the bytes
const bytes = (0, index_js_1.toUtf8Bytes)(text);
// Check we have room for null-termination
if (bytes.length > 31) {
throw new Error("bytes32 string must be less than 32 bytes");
}
// Zero-pad (implicitly null-terminates)
return (0, index_js_1.zeroPadBytes)(bytes, 32);
}
exports.encodeBytes32String = encodeBytes32String;
/**
* Encodes the Bytes32-encoded %%bytes%% into a string.
*/
function decodeBytes32String(_bytes) {
const data = (0, index_js_1.getBytes)(_bytes, "bytes");
// Must be 32 bytes with a null-termination
if (data.length !== 32) {
throw new Error("invalid bytes32 - not 32 bytes long");
}
if (data[31] !== 0) {
throw new Error("invalid bytes32 string - no null terminator");
}
// Find the null termination
let length = 31;
while (data[length - 1] === 0) {
length--;
}
// Determine the string value
return (0, index_js_1.toUtf8String)(data.slice(0, length));
}
exports.decodeBytes32String = decodeBytes32String;
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