@metamask/eth-ledger-bridge-keyring
Version:
A MetaMask compatible keyring, for ledger hardware wallets
35 lines • 1.44 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isDeviceExchangeError = exports.translateDmkError = void 0;
const device_management_kit_1 = require("@ledgerhq/device-management-kit");
const hw_transport_1 = require("@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.
*/
function translateDmkError(error) {
if (isDeviceExchangeError(error)) {
const statusCode = parseHexErrorCode(error.errorCode);
return new hw_transport_1.TransportStatusError(statusCode);
}
return new hw_transport_1.TransportStatusError(GENERIC_ERROR_STATUS_CODE);
}
exports.translateDmkError = translateDmkError;
function isDeviceExchangeError(error) {
return (typeof error === 'object' &&
error !== null &&
'_tag' in error &&
'errorCode' in error);
}
exports.isDeviceExchangeError = isDeviceExchangeError;
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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