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

• Open GraphQL editor to query indexed entities.
• Query Transfers

{
  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.