Deploy a Contract

⚠️

Make sure you are using a test / throwaway wallet, to be safe. Don't ever reveal the private key of your main wallet!

This guide will help you deploy a smart contract to Taiko (Askja testnet) using Foundry.

Prerequisites

Foundry (opens in a new tab) is installed.
You have the private key handy to an account that has testnet ETH on Taiko (to pay the transaction fee for deploying the contract).
Have some testnet ETH on Taiko:
- First, request Sepolia ETH from the faucet.
- Then, use the bridge to send the testnet ETH to Taiko.

forge init hello_foundry && cd hello_foundry

Deploy the contract located at src/Counter.sol. Replace YOUR_PRIVATE_KEY below with your private key which has some testnet ETH on Taiko.

Note: The --legacy flag is needed because EIP-1559 is currently disabled on Taiko—it will be re-enabled in the future.

forge create --legacy --rpc-url https://rpc.a2.taiko.xyz --private-key YOUR_PRIVATE_KEY src/Counter.sol:Counter

Paste the address from the output into the Taiko block explorer (opens in a new tab) and verify that the contract was deployed.