saepenatus
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Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul
36 lines • 1.36 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseBytes32String = exports.formatBytes32String = void 0;
var constants_1 = require("@ethersproject/constants");
var bytes_1 = require("@ethersproject/bytes");
var utf8_1 = require("./utf8");
function formatBytes32String(text) {
// Get the bytes
var bytes = (0, utf8_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, bytes_1.hexlify)((0, bytes_1.concat)([bytes, constants_1.HashZero]).slice(0, 32));
}
exports.formatBytes32String = formatBytes32String;
function parseBytes32String(bytes) {
var data = (0, bytes_1.arrayify)(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
var length = 31;
while (data[length - 1] === 0) {
length--;
}
// Determine the string value
return (0, utf8_1.toUtf8String)(data.slice(0, length));
}
exports.parseBytes32String = parseBytes32String;
//# sourceMappingURL=bytes32.js.map