2025-10-22 08:02:22 -07:00

97 lines
2.8 KiB
JavaScript
Executable File

#!/usr/bin/env node
import { execSync } from "child_process";
interface Colors {
reset: string;
cyan: string;
blue: string;
gray: string;
yellow: string;
}
interface NodeInfo {
listenAddresses: string[];
}
// ANSI color codes
const colors: Colors = {
reset: "\x1b[0m",
cyan: "\x1b[36m",
blue: "\x1b[34m",
gray: "\x1b[90m",
yellow: "\x1b[33m"
};
try {
// Check if containers are running
const output: string = execSync("docker compose ps --quiet", {
encoding: "utf-8"
}).trim();
if (!output) {
process.stdout.write(
`${colors.gray}No nodes running. Start with: ${colors.cyan}npm run start${colors.reset}\n`
);
process.exit(0);
}
// Get cluster config from env or defaults
const clusterId: string = process.env.CLUSTER_ID || "0";
const node1Port: string = process.env.NODE1_WS_PORT || "60000";
const node2Port: string = process.env.NODE2_WS_PORT || "60001";
// Fetch node info
const node1Info: NodeInfo = await fetch(
"http://127.0.0.1:8646/debug/v1/info"
).then((r) => r.json());
const node2Info: NodeInfo = await fetch(
"http://127.0.0.1:8647/debug/v1/info"
).then((r) => r.json());
const peer1: string = node1Info.listenAddresses[0].split("/p2p/")[1];
const peer2: string = node2Info.listenAddresses[0].split("/p2p/")[1];
// Print TypeScript-style config
process.stdout.write(
`${colors.blue}import${colors.reset} { createLightNode } ${colors.blue}from${colors.reset} ${colors.yellow}"@waku/sdk"${colors.reset};\n`
);
process.stdout.write(`\n`);
process.stdout.write(
`${colors.blue}const${colors.reset} waku = ${colors.blue}await${colors.reset} createLightNode({\n`
);
process.stdout.write(
` defaultBootstrap: ${colors.cyan}false${colors.reset},\n`
);
process.stdout.write(` bootstrapPeers: [\n`);
process.stdout.write(
` ${colors.yellow}"/ip4/127.0.0.1/tcp/${node1Port}/ws/p2p/${peer1}"${colors.reset},\n`
);
process.stdout.write(
` ${colors.yellow}"/ip4/127.0.0.1/tcp/${node2Port}/ws/p2p/${peer2}"${colors.reset}\n`
);
process.stdout.write(` ],\n`);
process.stdout.write(` networkConfig: {\n`);
process.stdout.write(
` clusterId: ${colors.cyan}${clusterId}${colors.reset},\n`
);
process.stdout.write(
` numShardsInCluster: ${colors.cyan}8${colors.reset}\n`
);
process.stdout.write(` }\n`);
process.stdout.write(`});\n`);
} catch (error: unknown) {
const err = error as { cause?: { code?: string }; message?: string };
if (err.cause?.code === "ECONNREFUSED") {
process.stderr.write(
`${colors.yellow}${colors.reset} Nodes are still starting. Try again in a few seconds.\n`
);
process.exit(1);
} else {
process.stderr.write(
`${colors.yellow}${colors.reset} Error: ${err.message || String(error)}\n`
);
process.exit(1);
}
}