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Tutorial: deposit Ether or native token

eth-deposit shows how to move Ether (or your chain's native token if you're using a custom gas token) from the parent chain into an Arbitrum or Orbit chain.

How it works (under the hood)

A user deposits the chain's native token (e.g. Ether) onto an Arbitrum chain using Arbitrum's general Parent-to-child message passing system, and simply passing the desired Ether as callvalue and no additional data. For more info, see this page of the Arbitrum documentation.

Using the Arbitrum SDK

Our Arbitrum SDK provides a simply convenience method for depositing Ether (or your chain's native token), abstracting away the need for the client to connect to any contracts manually.

See ./exec.js for inline explanation.

Set environment variables

Set the values shown in .env-sample as environmental variables. To copy it into a .env file:

cp .env-sample .env

You'll still need to edit some variables, i.e., PRIVATE_KEY, CHAIN_RPC and PARENT_CHAIN_RPC.

Note that you can also set the environment variables in an .env file in the root of the monorepo, which will be available in all tutorials.

Run

yarn run depositETH