@ledgerhq/live-common/lib/hw/listApps.js

Common ground for the Ledger Live apps

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = async (transport) => {
    const payload = await transport.send(0xe0, 0xde, 0, 0);
    const apps = [];
    let data = payload;
    // more than the status bytes
    while (data.length > 2) {
        if (payload[0] !== 0x01) {
            throw new Error("unknown listApps format");
        }
        let i = 1;
        while (i < data.length - 2) {
            const length = data[i];
            i++;
            const blocks = data.readUInt16BE(i);
            i += 2;
            const flags = data.readUInt16BE(i);
            i += 2;
            const hashCodeData = data.slice(i, i + 32).toString("hex");
            i += 32;
            const hash = data.slice(i, i + 32).toString("hex");
            i += 32;
            const nameLength = data[i];
            i++;
            if (length !== nameLength + 70) {
                throw new Error("invalid listApps length data");
            }
            const name = data.slice(i, i + nameLength).toString("ascii");
            i += nameLength;
            apps.push({
                name,
                hash,
                hash_code_data: hashCodeData,
                blocks,
                flags,
            });
        }
        // continue
        data = await transport.send(0xe0, 0xdf, 0, 0);
    }
    return apps;
};
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