When you connect to a network, ethui checks for the anvil_nodeInfo RPC endpoint. If it responds, it's Anvil mode. Continuous tracking, revert detection, nonce from chain state. If not, standard wallet.

ethui.dev

#ethereum #web3dev #anvil

Fast Mode submits an unsigned transaction directly to Anvil. Anvil supports transactions without private key ownership. Fast Mode uses this to skip the dialog and key decryption entirely. Anvil chains only.

ethui.dev

#ethereum #web3dev #anvil

Anvil lets you snapshot chain state and revert to it at any point. When you revert, ethui resyncs automatically.

Transaction history, contracts, nonces all rolled back.

Test. Snapshot. Repeat.

ethui.dev

#ethereum #web3dev #anvil

Anvil is not just a local node. Override any address's state. Mint ETH freely. Impersonate any account. Create snapshots, revert at will.

Capabilities that exist only in local development. ethui is built to handle all of them.

ethui.dev

#ethereum #web3dev #anvil

ethui supports Ledger hardware wallets. Connect via USB, open the Ethereum app on the device, create a new wallet in ethui, select Ledger, choose the account path, and confirm the address on the device.

ethui.dev

#ethereum #web3dev #ledger #hardware #developertools

ethui watches your out/ directory for ABI changes. Not just one project. Every Forge project on your filesystem, automatically.

Spin up a new project. ethui finds it.

ethui.dev

#ethereum #web3dev #foundry

Building on Ethereum locally? ethui syncs with Anvil, indexes your deployed contracts, skips transaction confirmations when safe, and impersonates accounts without private key exposure.

Open source, free.

ethui.dev

#ethereum #web3dev #foundry #anvil #opensource

ethui is a desktop app with filesystem access. It finds your Forge project automatically, watches your out/ directory for new deployments, and indexes ABIs in real time during forge build --watch. No configuration needed.

ethui.dev

#ethereum #web3dev #foundry

If you're using Foundry, ethui fits alongside it. Connects to Anvil automatically. Reads your Forge project and indexes ABIs in real time. Replaces MetaMask for local dev.

Your workflow stays the same.

ethui.dev

#ethereum #web3dev #foundry

Most wallets ask for your password the moment you open them. ethui waits. The unlock happens only when a signature is actually needed, then it caches in memory for a few minutes.

Open the app. Get to work.

ethui.dev

#ethereum #web3dev #developertools

Restart Anvil. MetaMask still thinks your nonce is 47. Transaction fails.

MetaMask caches nonces locally and doesn't know your chain has changed.

ethui calculates the nonce from the chain state on every transaction. Restart Anvil freely.

ethui.dev

#ethereum #web3dev #anvil

Most wallets use third-party services to preview transactions. Those services can't see your local Anvil.

ethui simulates transactions locally before you submit them, using the same technology as Forge. Preview results without touching chain state.

ethui.dev

#ethereum #web3dev #anvil

When building locally, you can't use Etherscan. ethui has a built-in contract explorer. Scan your compilation artifacts and get a UI to call functions and read state. Think Etherscan, but for local dev.

ethui.dev

#ethereum #web3dev #foundry

Get started with ethui: download the right binary, run onboarding, install the browser extension, and connect to a web3 app. ethui auto-detects Anvil, indexes your Forge ABIs in real time, and handles nonce tracking.

ethui.dev

#ethereum #web3dev #foundry

At ETHGlobal Lisbon: "Let's say you want to test on Vitalik's wallet. How would you go about that?" ethui's Auto-Impersonation lets you spoof any public wallet and send transactions from it.

Give it a try 👉 ethui.dev/docs/feature...

#ethereum #web3dev #ethglobal #developertools #anvil

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