Full lesson

bidcoin-app-mock

What it does

From the project README:

Bidcoin is a decentralized online penny auction platform that integrates blockchain technology to enhance transparency, trust, and security. It enables users to bid on a wide variety of products such as digital assets, cryptocurrency, luxury items, and more. Key features include automated bidding with BidBot, real-time tracking, and smart contract-based auction processes to ensure fairness. The platform also supports cryptocurrency payments and offers a seamless, gamified auction experience.

Original: muratyayla26/bidcoin-app-mock
SuperStack fork: Blockchains/bidcoin-app-mock @ 638bc13
Stars: 0
Last push (original): 2024-10-08
Languages: TypeScript, JavaScript, CSS
Detected stack: Next.jsweb3.js
Categories: Other
Licence: MIT
Homepage: https://bidcoin-app-mock.vercel.app

Architecture

64 source files. By extension: .tsx ×44, .ts ×17, .js ×3.

Top-level directory	Source files
`components`	26
`app`	20
`lib`	7
`config`	6
`(root)`	3
`types`	2

Dapp: deploying

This fork is queued for its own live dapp on Sol.College, with a Devnet/Mainnet switch. It appears here, at /dapps/bidcoin-app-mock/, once it is deployed and checked on devnet. Until then, run it locally with the commands below.

Key code, explained

Excerpts chosen automatically where the code uses the most Solana concepts, pinned to the fork's commit.

muratyayla26/bidcoin-app-mock · lib/solanaRPC.ts L61–84 @ 638bc13 · MIT · original

      return error as string;    }  };   sendTransaction = async (txnBody: any): Promise<Uint8Array | string> => {    try {      const solanaWallet = new SolanaWallet(this.provider);       const accounts = await solanaWallet.requestAccounts();       const connectionConfig = await solanaWallet.request<        string[],        CustomChainConfig      >({        method: "solana_provider_config",        params: [],      });      const connection = new Connection(connectionConfig.rpcTarget);       const block = await connection.getLatestBlockhash("finalized");       // const TransactionInstruction = SystemProgram.transfer({      //   fromPubkey: new PublicKey(accounts[0]),      //   toPubkey: new PublicKey(accounts[0]),

Line 65 sendTransaction = async (txnBody: any): Promise<Uint8Array | string> => {: Submits the signed transaction to the cluster.
Line 80 const block = await connection.getLatestBlockhash("finalized");: Fetches a recent blockhash. Transactions expire if it gets too old.

How to run, build and test

These commands come from the repo's own manifests (package.json scripts, Anchor.toml, Cargo, go.mod, Makefile). Check the README for prerequisites and environment variables.

Directory	Command	Runs
`.`	`npm run dev`	next dev --turbo
`.`	`npm run start`	next start
`.`	`npm run build`	next build
`.`	`npm run lint`	eslint . --ext .ts,.tsx -c .eslintrc.json --fix

What you could build from it

Fork the SuperStack copy and extend it within the Other gaps listed on the idea page.
Learn the pattern first: Program Derived Addresses (PDAs)
Learn the pattern first: Cross-Program Invocations (CPIs)