@ledgerhq/hw-app-canton/lib/protobufRoot.js

Ledger Hardware Wallet Canton Application API

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ProtobufTypes = void 0;
exports.getProtobufRoot = getProtobufRoot;
exports.lookupProtobufType = lookupProtobufType;
const protobuf = __importStar(require("protobufjs"));
const transaction_proto_json_1 = __importDefault(require("./types/transaction-proto.json"));
/**
 * Shared protobuf root instance.
 * Created once at module load time to avoid expensive re-parsing of the JSON schema.
 * The protobuf Root.fromJSON operation is expensive as it parses and validates
 * the entire schema, so we memoize it at module level.
 */
let rootInstance = null;
function getProtobufRoot() {
    if (rootInstance === null) {
        rootInstance = protobuf.Root.fromJSON(transaction_proto_json_1.default);
    }
    return rootInstance;
}
const typeCache = new Map();
function lookupProtobufType(typeName) {
    const cached = typeCache.get(typeName);
    if (cached) {
        return cached;
    }
    const root = getProtobufRoot();
    const type = root.lookupType(typeName);
    if (type) {
        typeCache.set(typeName, type);
        return type;
    }
    return null;
}
exports.ProtobufTypes = {
    get DeviceDamlTransaction() {
        return (lookupProtobufType("com.daml.ledger.api.v2.interactive.DeviceDamlTransaction") ||
            (() => {
                throw new Error("DeviceDamlTransaction type not found in protobuf schema");
            })());
    },
    get DeviceMetadata() {
        return (lookupProtobufType("com.daml.ledger.api.v2.interactive.DeviceMetadata") ||
            (() => {
                throw new Error("DeviceMetadata type not found in protobuf schema");
            })());
    },
    get Node() {
        return (lookupProtobufType("com.daml.ledger.api.v2.interactive.DeviceDamlTransaction.Node") ||
            (() => {
                throw new Error("DeviceDamlTransaction.Node type not found in protobuf schema");
            })());
    },
    get InputContract() {
        return (lookupProtobufType("com.daml.ledger.api.v2.interactive.DeviceMetadata.InputContract") ||
            (() => {
                throw new Error("DeviceMetadata.InputContract type not found in protobuf schema");
            })());
    },
};
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