@ngraveio/ur-sync/dist/PortfolioMetadata.js

Provides BC-UR types for syncing multiple coins and accounts from cold wallets to watch only wallets.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PortfolioMetadata = void 0;
const bc_ur_1 = require("@ngraveio/bc-ur");
const LanguageCodes_1 = require("./LanguageCodes");
const buffer_1 = require("buffer/");
class PortfolioMetadata extends (0, bc_ur_1.registryItemFactory)({
    tag: 41404,
    URType: 'portfolio-metadata',
    keyMap: {
        syncId: 1,
        language: 2,
        firmwareVersion: 3,
        device: 4,
    },
    allowKeysNotInMap: true,
    CDDL: `
    metadata = {
        ? sync_id: bytes .size 16     ; Generated by the hardware wallet to identify 
    the device
        ? language: language_code,    ; Indicates the selected language 
    on the hardware wallet
        ? fw_version: string,         ; Firmware version of the hardware wallet
        ? device: string              ; Indicates the device name
    }

    sync_id = 1
    language = 2
    fw_version = 3
    device = 4

    language_code = string ; following [ISO 639-1] Code (e.g. "en" for English, 
    ;"fr" for French, "nl" for Dutch and "es" for Spanish
  `,
}) {
    constructor(metadata = {}) {
        super(metadata);
        this.getSyncId = () => {
            // should pad the left of the buffer with 0 if smaller than 16
            if (this.data.syncId) {
                return buffer_1.Buffer.concat([buffer_1.Buffer.alloc(16 - this.data.syncId.length), this.data.syncId]);
            }
            return undefined;
        };
        this.getlanguage = () => this.data.language;
        this.getFirmwareVersion = () => this.data.firmwareVersion;
        this.getDevice = () => this.data.device;
        this.data = metadata;
        if (metadata.syncId !== undefined) {
            // Remove padding from sync id
            let padRemovedSyncId = buffer_1.Buffer.from(metadata.syncId);
            // Remove starting zeros from sync id buffer
            while (padRemovedSyncId && padRemovedSyncId[0] === 0) {
                padRemovedSyncId = padRemovedSyncId.slice(1);
            }
            this.data.syncId = padRemovedSyncId;
        }
    }
    verifyInput(input) {
        const errors = [];
        if (input.language && !LanguageCodes_1.languages[input.language]) {
            errors.push(new Error('Invalid language code'));
        }
        if (input.syncId && input.syncId.length > 16) {
            errors.push(new Error('Sync id buffer size must be maximum 16'));
        }
        // TODO: make firmware version valid SemVer
        return {
            valid: errors.length === 0,
            reasons: errors.length > 0 ? errors : undefined,
        };
    }
    preCBOR() {
        // Convert sync id buffer to unint8array
        if (this.data.syncId !== undefined) {
            const updatedData = {
                ...this.data,
                syncId: new Uint8Array(this.data.syncId),
            };
            return super.preCBOR(updatedData);
        }
        return super.preCBOR();
    }
}
exports.PortfolioMetadata = PortfolioMetadata;
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