The original arweave integration had a specific firehose integration built. This should be removed.
(Arweave integration to graph-node using substreams would still be supported when firehose support is removed).

From https://discord.com/channels/438038660412342282/438070074700464128/1351620399372435456

🚨 Arweave Mainnet Support Ending Soon 🚨
The Graph will deprecate support for the Arweave Mainnet chain starting March 25th, 2025.

➡️ Please note: File Data Sources will remain unaffected.

If you need any assistance, feel free to reach out to the support team in ⁠👷︱subgraph-development channel.
Thank you for building with The Graph!