address-table

Address table demo

The Address table is a precompiled contract on Arbitrum chains for registering addresses which are then retrievable by an integer index; this saves gas by minimizing precious calldata required to input an address as a parameter.

This demo shows a simple contract with affordances to retrieve an address from a contract by its index in the address table, and a client-side script to pre-register the given address (if necessary).

See exec.js for inline comments / explanation.

Run demo

 yarn run exec

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 and 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.

More info

See our developer documentation for more info.