Daniel

@gretzke

Software Engineering Lead - Smart Contracts @0xPolygon

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@buttrfly.lens trying out the mobile app, the mobile wallet connection with MetaMask doesn't work. Perhaps this will help you: https://github.com/rainbow-me/rainbowkit/issues/746

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Yesterday we participated in MatchboxDAOs 0xMonaco Battle of Titans! We as part of the Polygon team took 2nd place against 12 opponents. In the end we lost to Uniswap by…

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TIL writing threads on Lenster is hard

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2/5 Especially when working with cross chain applications (e.g., bridges) a Solidity dev might more often than not work with arbitrary data that can be parsed into multiple different data structures,…

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3/5 The smart contract does not know what kind of data it's working with. Parsing this data can pose a challenge. Bytes memory cannot index ranges effectively and can't be sliced…

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4/5 TypedMemView manipulates the stack, instead of the memory itself, making it a lot more flexible and cheaper to use. It can slice and index arbitrary ranges on the stack without…

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5/5 My repo demonstrates a POC of a bridge contract that can handle ERC20 and NFT transfers, as well as make arbitrary smart contract calls. Using the TypedMemView library, the smart…

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1/5 Working with arbitrary data (bytes) and parsing it on chain in Solidity can be a pain. There is a little known library called TypedMemView that makes working with this type…

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