Where is the developer documentation?
It is located at community.optimism.io. You can also see our technical blog at dev.optimism.io.
Where can I find the source code?
All software used within Optimism's implementation can be found under the Optimism organization on GitHub. Most of this software is housed inside the Optimism Monorepo. Refer to the monorepo README for more information about the structure of the repository and the role of each individual software component.
What infrastructure providers support OP Mainnet?
Where can I find RPC endpoints and connection details?
Connection details for all of our networks can be found on the Networks page of our documentation.
How do I optimize my code to reduce user fees?
What is the OP Mainnet block size limit?
The block size limit, which is also the limit of how much gas can be used by a single transaction, is thirty million gas. The target block size, which triggers changes in the base fee, is five million.
How can I get my token on the OP Mainnet bridge?
This article covers how to get a token bridged. https://optimismpbc.medium.com/arbitrary-token-bridging-d552f6bef694
Here is a code tutorial for a standard ERC20 token: https://github.com/ethereum-optimism/optimism-tutorial/tree/main/standard-bridge-standard-token
And here is the tutorial for a custom ERC20 token: https://github.com/ethereum-optimism/optimism-tutorial/tree/main/standard-bridge-custom-token
How do I run a copy of OP Mainnet locally for testing?
How do I ask for an additional feature?
Open an issue on our github repository.
What is the challenge period on the Goerli test network?
Twelve seconds.
How can I get in touch with your business development?
How can I start writing solidity?
Check out all these fantastic free resources:
Courses:
- https://cryptozombies.io/en/course/
- https://capturetheether.com/
- https://ethernaut.openzeppelin.com/
- https://solidity-by-example.org/
- https://learnxinyminutes.com/docs/solidity/
Collection of resources around security: https://medium.com/coinmonks/5-solidity-code-smells-87bb2f259dde
Mentorships: https://forum.ethernautdao.io/
Hackathons: https://ethglobal.com/ (online and in person)
The Solidity Docs are great and have lots of helpful stuff in them! https://docs.soliditylang.org/en/latest/