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graph init

Purpose:
Creates a new Subgraph project using an example template or an existing smart contract.

Use Case:

• Use this command when starting a new Subgraph project.
• It sets up the necessary folder structure, configuration files subgraph.yaml, and example code.
• You can specify a contract address and network to scaffold a Subgraph tailored to a specific smart contract.

Example:

graph init --from-contract <CONTRACT_ADDRESS> --network mainnet

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graph codegen

Purpose:
Generates AssemblyScript types for smart contract ABIs and the Subgraph schema.

Use Case:

• Use this command after making changes to your schema.graphql file or when adding/updating smart contract ABIs.
• It creates type-safe classes that make it easier to interact with blockchain data in your mappings.

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graph build

Purpose:
Compiles the Subgraph to WebAssembly (WASM), preparing it for deployment.

Use Case:

• Run this command after completing your mappings and configuration.
• It ensures your Subgraph is ready for deployment by converting it into the WASM format required by 0xGraph.

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graph deploy

Purpose:
Deploys the compiled Subgraph to the 0xGraph hosting service.

Use Case:

• After building your Subgraph, use this command to upload and activate it on 0xGraph.
• Specify the deployment target (e.g., staging or production) and the Subgraph name.

Example:

graph deploy <your_subgraph> --node
https://telosapi.0xgraph.xyz/deploy
--ipfs https://telosapi.0xgraph.xyz/ipfs
--deploy-key <your_api_key>

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graph local

Purpose:
Runs a local test environment (e.g., using Ganache or Hardhat) to test the Subgraph with simulated blockchain data.

Use Case:

• Use this command when developing and testing your Subgraph locally.
• It allows you to simulate blockchain events and validate mappings.
• Ideal for testing without deploying to a live environment.

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graph test

Purpose:
Downloads and runs the Matchstick Rust binary to execute unit tests for a Subgraph.

Use Case:

• Use this command to write and run unit tests for your mappings and ensure that your Subgraph logic works correctly.
• Matchstick is a testing framework built specifically for The Graph.

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graph add

Purpose:
Adds a new data source to your Subgraph’s manifest file (subgraph.yaml) and updates relevant files such as schema.graphql, ABIs, and mappings.

Use Case:

• Use this command when adding additional smart contracts or data sources to your Subgraph.
• It automates the process of updating your Subgraph configuration and related files.

Example:

graph add <CONTRACT_NAME> --from-contract <CONTRACT_ADDRESS>