Dancing Cells

Posted on Mon 01 January 2024 in tech • Tagged with rust, programming, solidity, evm, blockchain

I found the discussion of "Dancing Cells" in Don Knuth's latest lecture (2023) extremely relevant to blockchain programming.

The reason is this method of memory allocation is very similar to the method required to organize data as a set in Solidity. See here

Here is a example implementation of some …

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vm.mockCall in Solidity

Posted on Mon 24 July 2023 in tech • Tagged with solidity, ethereum, programming, tutorial

mocking calls to specific addresses in solidity

Mocking a specific address signature in Solidity is useful for simulating expected behavior from an existing address or instance of a contract. In mock testing dependencies are replaced with simulated implementations to isolate the behavior of the funtion under test.

Proxy contracts that …

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generate a random hex string in python

Posted on Thu 08 June 2023 in tech • Tagged with python, programming

Here is a simple gist that demonstrates how to generate a random hex string in Python. This is pseudo-random and designed only to be used for generating test data.

UUPS ERC-1822 Proxy Contract Implementation

Posted on Fri 21 April 2023 in tech • Tagged with solidity, programming, tutorial

Universal Upgradeable Proxy Standard UUPS ERC-1822 Tutorial and Complete Working Example

The first time I had to implement a UUPS proxy I found no clear example anywhere on the Internet. There are many trial implementations and even builders that enable one to implement a proxy in the background. It is …

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Collective Governance Deployment to Sepolia TestNet

Posted on Mon 17 April 2023 in tech • Tagged with solidity, programming, ethereum, web3, deployment

Collective Governance 0.9.8 is deployed on Sepolia TestNet.

Sepolia TestNet

Contract Ethereum Address Version
Constant 0xD5DA9B812806E080948476A801d2004f3305E63F 0.9.8
CommunityBuilder 0x4ba7E0dc43180Cb10EF53FF9Da923E02f459Ec9F 0.9.8
GovernanceBuilder 0xe1a13ea37F2BFE35B612799fcf9eBD43efA00B87 0.9.8

Collective Governance is a smart contract that allows communities to decide outcomes on-chain. Collective Governance is also designed to …

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Confirming GitHub commits signed by Codespaces

Posted on Tue 07 March 2023 in tech • Tagged with github, programming

Commit signature verification is a way of ensuring that the commits you make or receive are authentic and have not been tampered with. By signing your commits with a cryptographic key, you can prove that you are the author of the code and that no one else has modified it …

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