Figment Finance Eth2 Depositor

The Figment Eth2 Depositor provides a convenient way to send 1 or more deposits in one transaction to the Eth2 Deposit Contract.

Contracts

• Contract address on mainnet: 0x00000000219ab540356cBB839Cbe05303d7705Fa
• Contract address on (Goerli) testnet: 0x8c5fecdC472E27Bc447696F431E425D02dd46a8c

Below is a list of contracts we use for this service:

Ownable, Pausable

OpenZepellin smart contracts. The first contract allows for managing ownership. The second contract allows for pausing the contract and vice versa.

FigmentEth2Depositor

A smart contract that accepts X amount of ETH and sends {x / 32} transactions with required collateral (32 ETH) to the Eth2 Deposit Contract.

Installation (DEPRECATED, see PR#26)

1. Clone the repository git clone git@github.com:figment-networks/figment-eth2-depositor.git
2. Install the npm dependencies npm install
3. Set a working version of the compiler npx truffle obtain --solc v0.8.10+commit.fc410830

Deployment (Goerli)

1. Create a secrets.json file with:

• Your mnemonic
• Infura projectId
• Ether-scan etherScanApiKey

2. Deploy the contract npx truffle migrate --network goerli
3. Run npx truffle run verify FigmentEth2Depositor --network goerli

Verifying FigmentEth2Depositor
Pass - Verified: https://goerli.etherscan.io/address/0x7F928Cd880Dff0cFbe2055B611908CEc7dBF95E8#contracts
Successfully verified 1 contract(s).

How to Use

1. Choose the amount of Eth2 validator nodes you want to deposit to.
2. Instantiate those validators with your chosen withdrawal_credentials
3. Retrieve your validators' pubkeys, and generate deposit_signatures and deposit_data_roots from each that will let you deposit to them.
4. Use the deposit() function on FigmentEth2Depositor with the required ETH value to make the deposits to the Eth2 Deposit Contract.

License

MIT