solana-hi-roller

Dice rolling app built on the lighting-fast Solana blockchain. Leveraging Chainlink for random number generation.

Setup / Deployment instructions

Install Node dependencies

npm install

Create a temporary wallet in your local directory

solana-keygen new --outfile ./id.json

Fuel your wallet with some SOL for DevNet deploy

solana airdrop 2 --keypair ./id.json --url devnet &&
solana airdrop 2 --keypair ./id.json --url devnet

Build the program to generate files: /solana-hi-roller/target/deploy/solana_hi_roller.so and keypair solana-hi-roller/target/deploy/solana_hi_roller-keypair.json

anchor build

After building, get the ProgramId with: solana address -k ./target/deploy/solana_hi_roller-keypair.json

Modify files programs/solana-hi-roller/src/lib.rs and Anchor.toml. Replace lines declare_id!("Bdj3Nj33HHPViMmGrXKuZ37cUYyuyq6JQC5sYKwMYcZi"); and solana_hi_roller = "Bdj3Nj33HHPViMmGrXKuZ37cUYyuyq6JQC5sYKwMYcZi" with your ProgramId generated after anchor build

Build again with the new ProgramId:

anchor build

Deploy the program:

anchor deploy --provider.wallet ./id.json --provider.cluster devnet

Modify file tests/solana-hi-roller.ts, replace

const programId = new anchor.web3.PublicKey("Bdj3Nj33HHPViMmGrXKuZ37cUYyuyq6JQC5sYKwMYcZi")

with your ProgramId derived from the previous step.

Test your deployment with

anchor test --skip-deploy

Example output:

$ solana-hi-roller/node_modules/.bin/ts-mocha -p ./tsconfig.json -t 1000000 'tests/**/*.ts'


  anchor-hello-world
Fetching transaction logs...
[
  'Program Bdj3Nj33HHPViMmGrXKuZ37cUYyuyq6JQC5sYKwMYcZi invoke [1]',
  'Program log: Instruction: Execute',
  'Program 11111111111111111111111111111111 invoke [2]',
  'Program 11111111111111111111111111111111 success',
  'Program CaH12fwNTKJAG8PxEvo9R96Zc2j8qNHZaFj8ZW49yZNT invoke [2]',
  'Program log: Instruction: Query',
  'Program CaH12fwNTKJAG8PxEvo9R96Zc2j8qNHZaFj8ZW49yZNT consumed 2916 of 186828 compute units',
  'Program return: CaH12fwNTKJAG8PxEvo9R96Zc2j8qNHZaFj8ZW49yZNT qJ4KAEJ/GGIAAAAA60pJEwIAAAAAAAAAAAAAAA==',
  'Program CaH12fwNTKJAG8PxEvo9R96Zc2j8qNHZaFj8ZW49yZNT success',
  'Program CaH12fwNTKJAG8PxEvo9R96Zc2j8qNHZaFj8ZW49yZNT invoke [2]',
  'Program log: Instruction: Query',
  'Program CaH12fwNTKJAG8PxEvo9R96Zc2j8qNHZaFj8ZW49yZNT consumed 2910 of 180184 compute units',
  'Program return: CaH12fwNTKJAG8PxEvo9R96Zc2j8qNHZaFj8ZW49yZNT CQAAAFNPTCAvIFVTRA==',
  'Program CaH12fwNTKJAG8PxEvo9R96Zc2j8qNHZaFj8ZW49yZNT success',
  'Program log: Dice rolled: 1. This random number was derived from SOL / USD price',
  'Program Bdj3Nj33HHPViMmGrXKuZ37cUYyuyq6JQC5sYKwMYcZi consumed 25815 of 200000 compute units',
  'Program return: Bdj3Nj33HHPViMmGrXKuZ37cUYyuyq6JQC5sYKwMYcZi CQAAAFNPTCAvIFVTRA==',
  'Program Bdj3Nj33HHPViMmGrXKuZ37cUYyuyq6JQC5sYKwMYcZi success'
]
Your transaction signature 5ESSnKmtvGrJNjfMBRBwagY8CE1ca61Q8Xb4T1fJtaijfShQWF69cySgr2JoJqzvEPhrLHwoMfHpqkSeLtTke1cW
    ✔ Rolls dice! (1775ms)


  1 passing (2s)

✨  Done in 7.53s.

We have our dice number!

Program log: Dice rolled: 1. This random number was derived from SOL / USD price