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Address SME review comments

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This commit is contained in:
Maria Shodunke
2025-05-08 14:33:44 +01:00
parent 3e5c391994
commit 6f53d63016
2 changed files with 17 additions and 20 deletions
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23
_code-samples/verify-credential/js/verify_credential.js
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@@ -14,15 +14,17 @@ const logger = winston.createLogger({
// Define an error to throw when XRPL lookup fails unexpectedly
class XRPLLookupError extends Error {
constructor(xrplResponse) {
constructor(error) {
super("XRPL look up error");
this.name = "XRPLLookupError";
this.body = xrplResponse.result;
this.body = error;
}
}
const CREDENTIAL_REGEX = /^[0-9A-F]{2,128}$/;
const LSF_ACCEPTED = 0x00010000;
// See https://xrpl.org/docs/references/protocol/ledger-data/ledger-entry-types/credential#credential-flags
// to learn more about the lsfAccepted flag.
const LSF_ACCEPTED = 0x00010000;
async function verifyCredential(client, issuer, subject, credentialType, binary=false) {
/**
@@ -33,18 +35,13 @@ async function verifyCredential(client, issuer, subject, credentialType, binary=
* issuer - Address of the credential issuer, in base58.
* subject - Address of the credential holder/subject, in base58.
* credentialType - Credential type to check for as a string,
* which will be encoded as UTF-8 (1-128 bytes long).
* which will be encoded as UTF-8 (1-128 characters long).
* binary - Specifies that the credential type is provided in hexadecimal format.
* You must provide the credential_type as input.
* Returns True if the account holds the specified, valid credential.
* Returns False if the credential is missing, expired, or not accepted.
*/
// Handle function inputs --------------------------------------------------
if (!credentialType) {
throw new Error("Provide a non-empty credential_type");
}
// Encode credentialType as uppercase hex, if needed
let credentialTypeHex = "";
if (binary) {
@@ -56,7 +53,7 @@ async function verifyCredential(client, issuer, subject, credentialType, binary=
if (credentialTypeHex.length % 2 !== 0 || !CREDENTIAL_REGEX.test(credentialTypeHex)) {
// Hexadecimal is always 2 chars per byte, so an odd length is invalid.
throw new Error("Credential type must be 1-128 bytes as hexadecimal.");
throw new Error("Credential type must be 128 characters as hexadecimal.");
}
// Perform XRPL lookup of Credential ledger entry --------------------------
@@ -80,8 +77,8 @@ async function verifyCredential(client, issuer, subject, credentialType, binary=
logger.info("Credential was not found");
return false;
} else {
// Other errors, for example invalidly pecified addresses.
throw new XRPLLookupError(xrplResponse);
// Other errors, for example invalidly specified addresses.
throw new XRPLLookupError(err?.data || err);
}
}
@@ -89,7 +86,7 @@ async function verifyCredential(client, issuer, subject, credentialType, binary=
logger.info("Found credential:");
logger.info(JSON.stringify(credential, null, 2));
// Confirm that the credential has been accepted ---------------------------
// Check if the credential has been accepted ---------------------------
if (!(credential.Flags & LSF_ACCEPTED)) {
logger.info("Credential is not accepted.");
return false