{
  "context": "This evaluation assesses how effectively the engineer uses @solana/web3.js's Keypair class and related cryptographic operations for keypair generation, restoration, seed-based derivation, and message signing.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Keypair.generate() usage",
      "description": "Uses the Keypair.generate() method to create a new random keypair in the generateKeypair function",
      "max_score": 25
    },
    {
      "name": "Keypair.fromSecretKey() usage",
      "description": "Uses the Keypair.fromSecretKey() method to restore a keypair from a 64-byte Uint8Array secret key in the restoreFromSecretKey function",
      "max_score": 25
    },
    {
      "name": "Keypair.fromSeed() usage",
      "description": "Uses the Keypair.fromSeed() method to generate a deterministic keypair from a 32-byte seed in the generateFromSeed function",
      "max_score": 25
    },
    {
      "name": "keypair.sign() usage",
      "description": "Uses the keypair.sign() method (or Keypair instance's sign method) to sign a message and return the signature bytes in the signMessage function",
      "max_score": 25
    }
  ]
}