@metamask/eth-ledger-bridge-keyring/dist/dmk/dmk-error-translator.mjs

A MetaMask compatible keyring, for ledger hardware wallets

import { DeviceExchangeError } from "@ledgerhq/device-management-kit";
import { TransportStatusError } from "@ledgerhq/hw-transport";
const GENERIC_ERROR_STATUS_CODE = 0x6f00;
/**
 * Translates a DMK error (DeviceExchangeError with hex error codes) into a
 * TransportStatusError that the Ledger keyring error handler can process.
 *
 * @param error - The error from a DMK device action or command.
 * @returns A TransportStatusError with the corresponding APDU status code.
 */
export function translateDmkError(error) {
    if (isDeviceExchangeError(error)) {
        const statusCode = parseHexErrorCode(error.errorCode);
        return new TransportStatusError(statusCode);
    }
    return new TransportStatusError(GENERIC_ERROR_STATUS_CODE);
}
export function isDeviceExchangeError(error) {
    return (typeof error === 'object' &&
        error !== null &&
        '_tag' in error &&
        'errorCode' in error);
}
function parseHexErrorCode(errorCode) {
    if (typeof errorCode === 'string' && /^[0-9a-fA-F]{4}$/u.test(errorCode)) {
        return parseInt(errorCode, 16);
    }
    return GENERIC_ERROR_STATUS_CODE;
}
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