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Kelvin Fichter

Kelvin Fichter

Benevolent chaos monkey.
Drippie: How Optimism automates Ethereum

Drippie: How Optimism automates Ethereum

Optimism does a lot of stuff on-chain. Managing and monitoring the many on-chain interactions required to keep a system like this running can become a bit of a headache. This isn’t an impossible problem — but it’s enough of nuisance that it’s worth automating.
Jul 25, 2022 7 min read
Introducing Smock v2

Introducing Smock v2

Solidity devs: meet Smock v2 [https://github.com/defi-wonderland/smock]. The S olidity mocking library. A collaboration between Optimism [https://twitter.com/optimismPBC] and the fantastic team over at DeFi Wonderland [https://twitter.com/DeFi_Wonderland]. Smart contract testing has historically been… hard? If not hard, then just confusing. Way
Aug 11, 2021 2 min read
The Missing Message Mystery

The Missing Message Mystery

This is the story of our experience looking into a bug that caused our Optimistic Ethereum testnet deployment [https://community.optimism.io/docs/developers/networks.html#optimistic-kovan] to stop accepting new L1 ⇒ L2 deposits for a period of several days in the early days of June 2021. For some context,
Jul 27, 2021 8 min read
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