Docs
Login with NEARActions (including sending NEAR) We’re going to introduce a new Action: Transfer. In this chapter, we’d like the first person to solve the crossword puzzle to earn some prize money, sent in NEAR. Art by qiqi04.near We’ve already used Actions in the previous chapter, when we deployed and initialized the contract, which used …
Login with NEARStructs and enums Overview Structs If you’re not familiar with Rust, it may be confusing that there are no classes or inheritance like other programming languages. We’ll be exploring how to use structs, which are someone similar to classes, but perhaps simpler. Remember that there will be only one struct that gets the …
How to think about structs and enums when writing a Rust smart contract on NEAR Read More »
Login with NEARUsing collections As mentioned in the previous chapter, the online Rust Book is a great reference for folks getting started with Rust, but there are concepts that differ when we’re dealing with the blockchain. One of these differences is the use of collections. The reference-level documentation of the Rust SDK explains this concept …
Login with NEARDiving deeper In the last chapter we installed Rust and got up and running with a simple smart contract. The contract has a few issues, however, and isn’t as powerful as we’d like it to be. For instance, we can only store one crossword puzzle in the smart contract, the frontend is hardcoded, …
Login with NEARAdd a simple frontend This will be the final section in this chapter, where we’ll add a simple frontend using React and near-api-js to communicate with the smart contract. Dynamic duo of NEAR as the backend and React as a frontend.Art by dakila.near There will be three main files we’ll be working with: …
Add a simple frontend to the crossword puzzle that checks the solution’s hash Read More »
Login with NEARHash the solution, add basic unit tests In the previous section, we stored the crossword solution as plain text as a String type on the smart contract. If we’re trying to hide the solution from the users, this isn’t a great approach as it’ll be public to anyone looking at the state. Let’s …
Introduction to basic hashing and adding unit tests Read More »
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