Full-Stack Web3 Development with The Graph
summary
Step-by-step integration of The Graph with Scaffold-eth 2 shows exact commands (yarn chain, yarn deploy, yarn start, yarn local create, yarn local ship), tooling (Hardhat, Next.js, Docker, Postgres, IPFS) and how to write a subgraph: manifest, GraphQL schema and AssemblyScript mappings compiled by graph node. Demo adds a sendMessage event, deploys subgraph v0.0.2, and returns results instantly via GraphQL; network has ~200–400 indexers and serves ~1–2B queries/day.
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chapters (18)
- 0:00Introduction to the graph
- 0:58Web3 data architecture
- 4:01Challenges in reading data
- 6:35Introduction to subgraphs
- 8:35Understanding subgraph components
- 11:01Subgraph architecture
- 13:00Setting up the environment
- 15:57Deploying a local blockchain
- 17:40Debugging and frontend
- 21:02Monorepo structure
- 23:34Running the graph node
- 25:42Creating the subgraph
- 28:37Configuring the schema
- 30:52Writing mappings
- 33:50Deploying and querying
- 37:58Frontend integration
- 41:59Adding a new event
- 45:55Final Q&A and conclusions
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