@massalabs/massa-web3
Version:
massa's web3 sdk client
34 lines • 1.24 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.mustExtractPrefix = exports.extractData = void 0;
/**
* Deserialize a string data into non versioned bytes and checks that expected version match.
*
* @returns the extracted data.
*/
function extractData(serializer, versioner, data, expectedVersion) {
const raw = serializer.deserialize(data);
const { data: extractedData, version } = versioner.extract(raw);
if (version !== expectedVersion) {
throw new Error(`invalid version: ${version}. ${expectedVersion} was expected.`);
}
return extractedData;
}
exports.extractData = extractData;
/**
* Get the prefix of a string and validate it against the expected ones.
*
* @remarks
* If several prefixes are expected, their length must be the same.
*
* @returns the extracted prefix.
*/
function mustExtractPrefix(str, ...expected) {
const prefix = str.slice(0, expected[0].length);
if (!expected.includes(prefix)) {
throw new Error(`invalid prefix: ${prefix}. ${expected.length > 1 ? 'one of ' : ''}${expected.join(' or ')} was expected.`);
}
return prefix;
}
exports.mustExtractPrefix = mustExtractPrefix;
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