Name: hefgi/ponder
Rating: 0.986 (1 reviews)
Author: hefgi

hefgi/ponder

Build EVM blockchain data indexers using Ponder (ponder.sh) - an open-source TypeScript framework for indexing smart contract events, transactions, and traces into custom database schemas with type-safe APIs. Use when the user mentions ponder, blockchain/EVM indexing, onchain data pipelines, subgraph replacement, or wants to index smart contract events into a queryable database.

1.25x

Quality

99%

Does it follow best practices?

Impact

98%

1.25x

Average score across 5 eval scenarios

Securityby

Passed

No known issues

Evaluation results

100%

43%

ERC-20 Token Transfer Indexer

ERC-20 token indexer setup

Criteria

Without context

With context

ABI as const

100%

Correct startBlock

100%

RPC env var pattern

100%

Hex type for addresses

100%

Bigint for amounts

100%

Snake case table name

100%

Virtual module imports

100%

Store API usage

100%

Exact tsconfig

25%

100%

GraphQL middleware

100%

Lowercase address

100%

92%

Uniswap V2 Pair Tracker

Factory contract indexing

Criteria

Without context

With context

Factory config

100%

Composite primary key

33%

Child contract address

100%

ABIs as const

100%

Hex for addresses

100%

Bigint for amounts

100%

Pool address index

100%

Virtual imports

50%

100%

Lowercase addresses

100%

Correct startBlock

100%

Store API usage

100%

15%

Cross-Chain Bridge Transfer Monitor

Multi-chain indexing with ordering

Criteria

Without context

With context

Omnichain ordering

100%

Both chains configured

100%

Chain-specific RPC vars

100%

Chain distinction in handler

70%

100%

Correct startBlocks

100%

Hex for addresses

100%

Bigint for amount

100%

Query indexes

100%

Custom Hono route

100%

Read-only API db

100%

ABI as const

100%

10%

NFT Collection Tracker with Ownership Aggregation

Schema design and upsert patterns

Criteria

Without context

With context

Upsert for accounts

100%

Existing row in callback

100%

Hex for addresses

100%

Bigint for token ID

100%

Snake case tables

100%

Owner index

100%

Held count index

100%

Store API not SQL

100%

Virtual imports

100%

ABI as const

100%

Correct startBlock

100%

Lowercase address

100%

26%

Production-Ready Token Indexer Deployment

Production deployment configuration

Criteria

Without context

With context

Schema flag in start

30%

100%

Serve command

70%

100%

Health endpoint

100%

Ready endpoint

100%

DATABASE_URL env var

100%

DATABASE_SCHEMA env var

25%

100%

Allowance composite key

100%

Hex for addresses

100%

Bigint for values

100%

ABI as const

100%

Correct startBlock

100%

Lowercase address

100%

Evaluated: 8 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

ERC-20 Token Transfer Indexer Uniswap V2 Pair Tracker Cross-Chain Bridge Transfer Monitor NFT Collection Tracker with Ownership Aggregation Production-Ready Token Indexer Deployment