@energyweb/node-red-contrib-green-proof-worker/nodes/node.js

## Peer dependencies

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Node = exports.BaseUrlsConfig = exports.NodeEnvConfig = void 0;
const tslib_1 = require("tslib");
const z = tslib_1.__importStar(require("zod"));
const errors_1 = require("./errors");
const nodes_config_env_1 = require("./nodes-config-env");
exports.NodeEnvConfig = z.object({
    EWX_SOLUTION_ID: z.string().optional(),
    EWX_SOLUTION_GROUP_ID: z.string().optional(),
    EWX_WORKLOGIC_ID: z.string().optional(),
    EWX_SQLITE_PATH: z.string().optional(),
    EWX_WORKER_ADDRESS: z.string().optional(),
    BASE_URL_CDN: z.string().optional(),
});
exports.BaseUrlsConfig = z.object({
    kafka_url: z.union([z.string(), z.array(z.string())]).optional(),
    kafka_proxy_url: z.string().optional(),
    indexer_url: z.string().optional(),
    rpc_url: z.string().optional(),
});
class Node {
    constructor(api, nodeConfig, // this is NodeDef from node-red, but let's keep it unknown for convenience (we add custom types there)
    messageZod, { validateMessage = true } = {}) {
        this.nodeConfig = nodeConfig;
        this.messageZod = messageZod;
        // node-red will bind its functions to a node constructor,
        // therefore if we pass `this` to API, full instance with all node-red things will be available
        this.api = api.cloneAndInstantiate(this, nodeConfig);
        this.api.on('input', (msg, done) => {
            const validator = validateMessage ? this.messageZod : z.object({}).passthrough();
            const parseResult = validator.safeParse(msg);
            if (!parseResult.success) {
                this.api.error(`[${this.constructor.name}] Invalid input message .payload: ${JSON.stringify(msg)}. Errors: ${parseResult.error}`);
                done(new errors_1.GGPError(errors_1.ErrorCode.InvalidPayload, { payload: JSON.stringify(msg), error: parseResult.error.message }));
                return;
            }
            this.handleMaybePromise(() => this.onInput(parseResult.data), done);
        });
        this.api.on('close', (done) => {
            this.handleMaybePromise(() => (this.onDestroy ? this.onDestroy() : undefined), done);
        });
    }
    /**
     * Returns base_urls from a special endpoint maintained by EWF that contains configuration
     */
    async getBaseUrls() {
        // Default is here, because this is a new feature, so we have time to migrate
        // @TODO remove default at some point so its not confusing
        const baseUrl = this.getNodeEnvConfig().BASE_URL_CDN || nodes_config_env_1.nodesGlobalEnvConfig.BASE_URL_CDN || 'https://marketplace-cdn.energyweb.org/base_urls.json';
        const response = await fetch(baseUrl, { method: 'GET' }).then(response => response.json());
        return exports.BaseUrlsConfig.parse(response);
    }
    /**
     * Returns parsed `.__envConfig` from node's config.
     * node's config, is basically one entry in flow.json
     * Marketplace will be injecting that property to each node before node-red start
     * Note, that if `.__envConfig` is injected that way, even the slightest node change (through node-red GUI) removes that property
     * because it is unknown to node-red.
     */
    getNodeEnvConfig() {
        const envConfig = this.nodeConfig.__envConfig;
        if (!envConfig) {
            return {};
        }
        return exports.NodeEnvConfig.parse(envConfig);
    }
    /**
     * SendBuilder hides complexity of creating proper messages, and selecting output.
     * It is supposed to be used by all nodes to send messages to outputs
     * to ensure correct behavior.
     *
     * It uses message received on node input (passed manually), and then the payload should be only
     * >added< (not replaced!) to the input message. Optionally topic can be set.
     *
     * Note that if topic is not set explicitly, it will be removed (because topic is used
     * to describe what the node receiving it should do with the message, so it's not meant to be passed around
     * like message payload).
    */
    sendBuilder(inputMessage) {
        const internalBuilder = (message) => ({
            addPayload: (payload) => internalBuilder({
                ...message,
                payload: {
                    ...message.payload,
                    ...payload,
                }
            }),
            setTopic: (topic) => internalBuilder({
                ...message,
                topic,
            }),
            sendToOutput: (index) => {
                const messages = new Array(index + 1).fill(null);
                messages[index] = message;
                this.api.send(messages);
            },
            getMessage: () => message,
        });
        const { topic, ...messageWithoutTopic } = inputMessage;
        return internalBuilder(messageWithoutTopic);
    }
    handleMaybePromise(maybePromiseCb, done) {
        try {
            const maybePromise = maybePromiseCb();
            if (maybePromise instanceof Promise) {
                void maybePromise.then(() => {
                    done();
                }).catch((err) => {
                    this.api.error(`[${this.constructor.name}] Error: ${err.message} ${err.stack}`);
                    done(err);
                });
            }
            else {
                done();
            }
        }
        catch (err) {
            this.api.error(`[${this.constructor.name}] Error: ${err.message} ${err.stack}`);
            done(err);
        }
    }
}
exports.Node = Node;