I recently discovered ​it was possible to specify a guard function to be executed before update and query functions of canister smart contracts written in Rust on the Internet Computer. ​​You might tell me that the following post is just a rip off of the Crate documentation but, as I…

So, you are looking to deploy Internet Identity (II) locally? ​Here are my four easiest solution to do so! Introduction ​To deploy II locally, we need to get its canister (Wasm module). We can either build the code ourself, using Docker and the docker-build script provided by the II team, or…

I migrated 500+ canisters from Motoko to Rust on the Internet Computer. Here are the two major things I learned. — Recently, on Nov. 4, I upgraded the code of the 1,000+ canister smart contract​s of Papyrs — an open-source, privacy-first, decentralized blogging platform. Among these, half of them have had their source code rewritten entirely from Motoko to Rust. The Internet Computer — the general-purpose blockchain that hosts these canisters…

How to repeatedly call a function on the IC with web workers without decreasing your dapp’s frontend performance. — Some use cases require a frontend dapp to repeatedly call a function deployed on the Internet Computer blockchain with a fixed time delay between each call. For example, in Papyrs — a Web3 blogging platform — there is no save button. Each edit by users is automatically saved in the…

A guide to setting up metadata, icons, and social images for displaying dapps on social media sites and search engines. — Now that the Internet Computer finally supports crawlers, dapps running 100% on-chain can be indexed by search engines and their metadata can be read to generate cards on social platforms. ​Following below is a list of things I do to prepare my web applications for social media sites and SEO…