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This section describes how to upgrade the indexer component versions to a horizon enabled version, what configuration changes are required, etc.

Note that the component version upgrade and the configuration changes outlined in this section need to be done during Phase 3 to ensure no downtime on your indexer.

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Upgrade procedure: indexer-agent

• Upgrade to version: see Graph Horizon: environment resources
• Update configuration
  • New configuration variables:
    • [REQUIRED] INDEXER_AGENT_MAX_PROVISION_INITIAL_SIZE
    • [OPTIONAL] INDEXER_AGENT_PAYMENTS_DESTINATION
  • Update:
    • [REQUIRED] INDEXER_AGENT_NETWORK_SUBGRAPH_ENDPOINT or INDEXER_AGENT_NETWORK_SUBGRAPH_DEPLOYMENT

Upgrade procedure: indexer-service and tap-agent

• Upgrade to version: see Graph Horizon: environment resources
• Update configuration
  • New configuration variables:
    • [REQUIRED] [blockchain].receipts_verifier_address_v2
    • [REQUIRED] [horizon].enabled
    • [REQUIRED] [blockchain].subgraph_service_address
  • Update:
    • [REQUIRED] [subgraphs.network].query_url