π Google indexes web pages and provides search results based on algorithms.
π The current internet is centralized, but blockchain offers a decentralized alternative.
βοΈ Data in blockchain is stored in blocks and chained together, providing immutability and trust.
π SubQuery Network provides a data service to search blockchain data.
π₯ The participants in the SubQuery Network are consumers, indexers, and delegators.
π° Consumers pay with SubQuery tokens (SQT) to receive the data service.
πΌ The SubQuery Network allows participants to turn computational and networking power into profits by providing services and staking SQT.
π° Indexers can earn more rewards by staking a higher amount of SQT, and delegators can support indexers and receive a portion of their rewards.
π¨βπ» Consumers, indexers, and delegators are the main participants in the SubQuery Network, with consumers consuming data, indexers hosting projects, and delegators supporting indexers.
π The SubQuery network runs on the GraphQL engine and allows users to fetch and index blocks from the Polkadot network.
π§ To run the SubQuery project, users need to ensure that Docker is running and the necessary images are pulled.
ποΈ By deploying the SubQuery project on the managed service provided by the SubQuery network, users can make their project accessible to the public and easily access data from the network.
π§ Running the project and verifying it locally using Docker and localhost
π Publishing the project on GitHub and making it public
π Using the staging slot for deploying new versions and accessing the query endpoint
π The video explains the process of deploying a project on the SubQuery network and the steps involved.
π The video also introduces GraphQL and how it can be used to fetch specific data from a SubQuery project.
π» The speaker demonstrates the setup and configuration of a SubQuery project, including modifying the GraphQL schema and handling events.
π‘ To set up the project, install the necessary dependency modules and create a folder called 'node modules'.
π§ Make changes to the GraphQL file for the transfer entity, generate a mapping file using the 'code gen' command, and update the project.yaml file.
ποΈ Modify the TypeScript file to handle transfer events and save the transfer object. Build and run the code using 'npm' commands and access the GraphQL queries in the browser.
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