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

A MetaMask compatible keyring, for ledger hardware wallets

import { TransportStatusError } from "@ledgerhq/hw-transport";
import { LedgerStatusError } from "./type.mjs";
/**
 * Central error handler for Ledger TransportStatusError instances.
 * Converts common Ledger transport errors into user-friendly error messages.
 *
 * @param error - The error to handle
 * @param fallbackMessage - Default error message if no specific handling is found
 * @throws Error with appropriate user-friendly message
 */
export function handleLedgerTransportError(error, fallbackMessage) {
    if (error instanceof TransportStatusError) {
        const transportError = error;
        throw new LedgerStatusError(transportError.statusCode, getTransportErrorMessageFrom(transportError));
    }
    // For any other error (TransportStatusError not matching patterns or other errors)
    throw error instanceof Error ? error : new Error(fallbackMessage);
}
/**
 * Get the transport error message from the transport error.
 *
 * @param transportError - The transport error
 * @returns The transport error message
 */
function getTransportErrorMessageFrom(transportError) {
    switch (transportError.statusCode) {
        case 0x6985:
            return 'Ledger: User rejected the transaction';
        case 0x6a80:
            return 'Ledger: Blind signing must be enabled';
        case 0x5515:
            return 'Ledger: Device is locked. Unlock it to continue';
        case 0x650f:
            return 'Ledger: Ethereum app closed. Open it to unlock';
        default:
            return transportError.message;
    }
}
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