check-staging-deployer-balance.yaml

# Checks that the balance of the Solana public key
# associated with the UPGRADE_AUTHORITY_KEYPAIR_STAGING is greater than
# the estimated balance required to deploy a program.
name: Check Staging Deployer Balance

on:
  pull_request:
    branches:
      - main
    paths:
      - 'programs/squads_multisig_program/**'

jobs:
  check-balance:
    if: contains(github.event.pull_request.labels.*.name, 'deploy-staging')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup Solana
        uses: ./.github/actions/setup-solana/

      - name: Check Solana Balance
        env:
          UPGRADE_AUTHORITY_KEYPAIR: ${{ secrets.UPGRADE_AUTHORITY_KEYPAIR_STAGING }}
          RPC_URL: ${{ secrets.RPC_URL_MAINNET }}
        run: |
          # Write the keypair to a file so it can be used with solana-keygen
          echo $UPGRADE_AUTHORITY_KEYPAIR > ./upgrade-authority.json && chmod 600 ./upgrade-authority.json
          
          # Extract the public key from the keypair file
          PUBLIC_KEY=$(solana-keygen pubkey ./upgrade-authority.json)
          
          # Remove the keypair file
          rm ./upgrade-authority.json
          
          # Fetch the balance of the public key
          BALANCE=$(solana balance $PUBLIC_KEY --url $RPC_URL | awk '{print $1}')
          
          MIN_BALANCE=10
          
          # Check if the balance is less than the minimum balance using floating point comparison with `bc`
          if (( $(echo "$BALANCE < $MIN_BALANCE" | bc -l) )); then
            echo "Balance of $PUBLIC_KEY is $BALANCE, which is less than the minimum balance of $MIN_BALANCE"
            exit 1
          fi
          
          echo "Balance of $PUBLIC_KEY is $BALANCE SOL"