ethers.js/lib.commonjs/abi/bytes32.js

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2022-09-05 23:57:11 +03:00
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseBytes32String = exports.formatBytes32String = void 0;
const data_js_1 = require("../utils/data.js");
const logger_js_1 = require("../utils/logger.js");
const utf8_js_1 = require("../utils/utf8.js");
function formatBytes32String(text) {
// Get the bytes
const bytes = (0, utf8_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, data_js_1.zeroPadBytes)(bytes, 32);
}
exports.formatBytes32String = formatBytes32String;
function parseBytes32String(_bytes) {
const data = logger_js_1.logger.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, utf8_js_1.toUtf8String)(data.slice(0, length));
}
exports.parseBytes32String = parseBytes32String;
//# sourceMappingURL=bytes32.js.map