Demos Adapter

Sparkle Protocol is a high-performance onchain data indexer designed to efficiently capture, process, and serve blockchain data in real-time. Built for developers who need reliable access to blockchain events, transactions, and state changes, Sparkle provides a robust infrastructure layer for decentralized applications.

Features

Real-time Indexing: Captures blockchain data as it happens with minimal latency
Multi-chain Support: Compatible with Ethereum, Polygon, Arbitrum, and other EVM-compatible networks
Flexible Querying: GraphQL and REST APIs for seamless data retrieval
Event Filtering: Custom filters for specific contracts, events, and transaction types
Scalable Architecture: Handles high-throughput networks with horizontal scaling capabilities
Data Persistence: Reliable storage with configurable retention policies

Quick Start

Preconfigured:

RPC_URL_MAINNET=https://eth.llamarpc.com RPC_URL_HEMI=https://rpc.hemi.network/rpc

ABS_CONFIG='{"balanceFlushIntervalHours":6,"dexProtocols":[{"type":"uniswap-v2","chainId":1,"toBlock":0,"protocols":[{"name":"PEPE/WETH Pool","contractAddress":"0xa43fe16908251ee70ef74718545e4fe6c5ccec9f","fromBlock":17046833,"pricingStrategy":"coingecko","token0":{"coingeckoId":"pepe","decimals":18},"token1":{"coingeckoId":"weth","decimals":18},"preferredTokenCoingeckoId":"token1"}]},{"type":"izumi","chainId":42161,"toBlock":0,"protocols":[{"name":"WETH/ hemiBTC Pool","contractAddress":"0xa43fe16908251ee70ef74718545e4fe6c5ccec9f","fromBlock":1276815,"pricingStrategy":"coingecko","token0":{"coingeckoId":"weth","decimals":18},"token1":{"coingeckoId":"btc","decimals":8},"preferredTokenCoingeckoId":"token1"},{"name":"VUSD/ WETH","contractAddress":"0xa43fe16908251ee70ef74718545e4fe6c5ccec9f","fromBlock":1274620,"pricingStrategy":"coingecko","token0":{"coingeckoId":"vesper-vdollar","decimals":18},"token1":{"coingeckoId":"weth","decimals":18},"preferredTokenCoingeckoId":"token1"}]}],"bondingCurveProtocols":[{"type":"printr","name":"Printr Base","contractAddress":"0xbdc9a5b600e9a10609b0613b860b660342a6d4c0","chainId":8453,"toBlock":0,"fromBlock":30000000},{"type":"vusd-mint","name":"VUSDMint","contractAddress":"0xFd22Bcf90d63748288913336Cd38BBC0e681e298","chainId":1,"toBlock":0,"fromBlock":22017054},{"type":"demos","name":"Demos","contractAddress":"0x70468f06cf32b776130e2da4c0d7dd08983282ec","chainId":43111,"toBlock":0,"fromBlock":1993447},{"type":"voucher","name":"Voucher","contractAddress":"0xa26b04b41162b0d7c2e1e2f9a33b752e28304a49","chainId":1,"toBlock":0,"fromBlock":21557766}],"stakingProtocols":[{"type":"hemi","name":"Hemi Staking","contractAddress":"0x4f5e928763cbfaf5ffd8907ebbb0dabd5f78ba83","chainId":43111,"toBlock":0,"fromBlock":1220463},{"type":"vusd-bridge","name":"VUSDBridge","contractAddress":"0x5eaa10F99e7e6D177eF9F74E519E319aa49f191e","chainId":1,"toBlock":0,"fromBlock":22695105}],"univ3Protocols":[{"type":"uniswap-v3","chainId":1,"factoryAddress":"0x1f98431c8ad98523631ae4a59f267346ea31f984","factoryDeployedAt":17046833,"positionsAddress":"0xc36442b4a4522e871399cd717abdd847ab11fe88","toBlock":17051833,"poolDiscovery":true,"trackPositions":true,"trackSwaps":true,"pools":[{"name":"pepe/weth 0.3% pool","contractAddress":"0x11950d141ecb863f01007add7d1a342041227b58","fromBlock":17046833,"feeTier":3000,"pricingStrategy":"internal-twap","token0":{"symbol":"PEPE","decimals":18},"token1":{"symbol":"WETH","decimals":18},"preferredTokenCoingeckoId":"token1"},{"name":"wepe/weth 0.3% pool","contractAddress":"0xa3c2076eb97d573cc8842f1db1ecdf7b6f77ba27","fromBlock":17000000,"feeTier":3000,"pricingStrategy":"internal-twap","token0":{"symbol":"WEPE","decimals":18},"token1":{"symbol":"WETH","decimals":18},"preferredTokenCoingeckoId":"token1"},{"name":"usdc/weth 0.3% pool","contractAddress":"0x88e6a0c2ddd26feeb64f039a2c41296fcb3f5640","fromBlock":1620250931,"feeTier":3000,"pricingStrategy":"internal-twap","token0":{"symbol":"USDC","decimals":6},"token1":{"symbol":"WETH","decimals":18},"preferredTokenCoingeckoId":"token1"}]}]}' ABSINTHE_API_URL=https://adapters.absinthe.network ABSINTHE_API_KEY=api_key_2

Fill these details :

COINGECKO_API_KEY= (Optional) RPC_URL_BASE=

Deploy and Host

About Hosting

Sparkle Protocol requires dedicated hosting infrastructure to maintain continuous blockchain synchronization. Choose between cloud providers, self-hosted solutions, or managed services based on your performance and reliability requirements.

Why Deploy

Deploy Sparkle Protocol to ensure data availability, reduce API dependencies, and maintain control over your blockchain data pipeline. Self-hosting eliminates third-party rate limits and provides customizable indexing strategies.

Common Use Cases

Perfect for DeFi protocols, NFT marketplaces, gaming applications, and analytics platforms requiring accurate, up-to-date blockchain data. Track token transfers, monitor smart contract interactions, or build comprehensive dashboards with reliable data foundations.

Dependencies for

Deployment Dependencies

ghcr.io/absinthelabs/absinthe-demos:demos