[Optimism] Advanced typescript tooling used by various services

[Optimism] L1 and L2 smart contracts for Optimism

Example of using solc-transpiler & Web3 full node in place of solc-js and other Web3 providers

<p align="center">   <em>NOTICE</em>: <code>testrpc</code> is now <code>ganache-cli</code>. Use it just as you would <code>testrpc</code>. </p> <hr/>

A plugin that brings OVM compiler support to Hardhat projects.

[Optimism] Service for automatically relaying L2 to L1 transactions

`rollup-contracts` is the set of smart contracts written in Solidity for Optimism's Optimistic Rollup.

[Optimism] Optimistic Rollup Core Library

[Optimism] Optimistic Rollup Dev Tools Library

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