{
  "context": "Tests whether the agent correctly uses upsert patterns with onConflictDoUpdate, understands the existing-row callback semantics, uses proper column types, applies indexes for query patterns, and follows schema naming conventions.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Upsert for accounts",
      "description": "Uses context.db.insert().values().onConflictDoUpdate() for creating or updating account records, not separate find-then-insert logic",
      "max_score": 10
    },
    {
      "name": "Existing row in callback",
      "description": "The onConflictDoUpdate callback references the existing/current row for computing updated values (e.g. incrementing counts from current values), not the values passed to .values()",
      "max_score": 12
    },
    {
      "name": "Hex for addresses",
      "description": "Schema uses t.hex() for all address columns (from, to, owner), not t.text()",
      "max_score": 8
    },
    {
      "name": "Bigint for token ID",
      "description": "Schema uses t.bigint() for the tokenId column",
      "max_score": 8
    },
    {
      "name": "Snake case tables",
      "description": "All onchainTable name strings are in snake_case (e.g. 'account_stats', 'token_ownerships'), not camelCase",
      "max_score": 8
    },
    {
      "name": "Owner index",
      "description": "Schema includes an index on the owner column of the token ownership table for filtering by owner",
      "max_score": 10
    },
    {
      "name": "Held count index",
      "description": "Schema includes an index on the tokens-held count column of the accounts table for sorting/filtering",
      "max_score": 8
    },
    {
      "name": "Store API not SQL",
      "description": "All database writes in indexing handler use context.db (Store API), not raw SQL queries",
      "max_score": 8
    },
    {
      "name": "Virtual imports",
      "description": "Indexing file imports from 'ponder:registry' and 'ponder:schema', not relative file paths",
      "max_score": 8
    },
    {
      "name": "ABI as const",
      "description": "ERC721 ABI file exports with `as const` assertion",
      "max_score": 8
    },
    {
      "name": "Correct startBlock",
      "description": "Contract startBlock is set to 12287507, not 0 or omitted",
      "max_score": 6
    },
    {
      "name": "Lowercase address",
      "description": "Contract address in config is fully lowercase, not checksummed",
      "max_score": 6
    }
  ]
}