Data Indexer Template — Oracle Forge

Contract Details

Categoryindexing

Files14

Price$14.99

Tech Stack

AssemblyScript TheGraph GraphQL

Chains

Ethereum Arbitrum Base

Description

TheGraph subgraph templates for indexing common DeFi oracle events. Pre-built schemas and mapping handlers for Chainlink price feeds, oracle aggregators, VRF requests, and data feed updates. AssemblyScript handlers with multi-chain deployment configs.

Features

✓ Chainlink price feed event indexing
✓ Oracle aggregator update tracking
✓ VRF request/fulfillment indexing
✓ Custom data feed update history
✓ GraphQL schema with entity relationships
✓ Multi-chain deployment configurations
✓ Example GraphQL queries
✓ AssemblyScript mapping handlers
✓ Historical price snapshot entities
✓ Feed metadata registry entities

data-indexer-template.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/// @title Data Indexer Template
/// @notice TheGraph subgraph templates for DeFi oracle event indexing.
contract DataIndexerTemplate {
    address public immutable owner;
    uint256 public constant VERSION = 1;

    event Initialized(address indexed deployer);

    constructor() {
        owner = msg.sender;
        emit Initialized(msg.sender);
    }

    // ... full implementation in purchased package
}