> For the complete documentation index, see [llms.txt](https://docs.onyx.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.onyx.org/developer-guide/deploying-contracts.md).

# Deploying Contracts

Use ordinary Solidity tooling with Chain ID `327`. Estimate gas and read the current gas price instead of pinning values copied from another network.

```javascript
import "dotenv/config";
import { JsonRpcProvider, Wallet, ContractFactory } from "ethers";
import artifact from "./artifacts/Example.json" with { type: "json" };

const provider = new JsonRpcProvider("https://rpc.onyx.org", 327);
const signer = new Wallet(process.env.DEPLOYER_PRIVATE_KEY, provider);
const factory = new ContractFactory(artifact.abi, artifact.bytecode, signer);
const contract = await factory.deploy();
await contract.waitForDeployment();
console.log(await contract.getAddress());
```

Keep private keys out of source code and shell history. After deployment, confirm `eth_getCode` is non-empty and verify the source through the [Onyx Explorer](https://explorer.onyx.org).

Onyx follows EVM execution semantics but is not required to expose every Ethereum client-specific debug or tracing extension. Test the exact RPC methods your deployment and verification pipeline needs before Mainnet use.


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