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Pepo Subgraph - Index and query Pepo data

Sync auxiliary chain 1414

  • You need to have web3 RPC endpoint of mosaic mainnet auxiliary chain 1414. You can run a full node by installing mosaic chains npm package (in your dev dependencies).
    npm init -y
    npm i @openst/mosaic-chains --save-dev

If you already have mosaic-chains installed, go to next step.

  • Run below command to start a full node of auxiliary chain 1414 in the background:
    ./node_modules/.bin/mosaic start 1414 --origin ethereum

Once chain have been successfully started, it will display web3 endpoint, graph admin rpc endpoint, graph ws endpoint and ipfs url. Please keep a copy of these endpoints. These URLs will be needed in further steps.

  • Make sure chain 1414 is synced. You can see the syncing status with below command:
    ./node_modules/.bin/mosaic attach 1414

Clone repository

    git clone [email protected]:ostdotcom/pepo-subgraph.git

Export environment variables

    export GRAPH_ADMIN_RPC_ENDPOINT=http://localhost:9434/
    export GRAPH_IPFS_ENDPOINT=http://localhost:6415

Update above values if you are running on different ports.

Deploy Pepo subgraph

Go to root directory and run below commands one by one:

  • Install packages
    cd pepo-subgraph
    npm ci
  • Remove subgraph if you have already deployed and there is schema change
    npm run remove-local
  • Deploy subgraph
     npm run create-local 
     npm run deploy-local

You should see success message when subgraph is deployed. It can take sometime to completely index Pepo entities.

Query Pepo data

{
  transfers(orderBy: blockNumber, orderDirection: desc, first: 100, skip: 0) {
    id
    from
    to
    value
    blockNumber
    timestamp
  }
}
  • Query Pepo economy registered internal actors:
{
  registeredInternalActors(orderBy: blockNumber, orderDirection: desc, first: 100, skip: 0) {
    id
    actor
    blockNumber
    timestamp
  }
}

For more query options please visit GraphQL documentation.