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Is it possible to fetch transactions from any account within an anchor on-chain program (rust)? I have tried installing solana-client to use the RPC with anchor-lang = "0.25.0" but breaks the build. Is there an alternative? are we not supposed to read transactions at all within an Anchor program?

If that's the case feels like a huge blind spot for validating stuff :(

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  • Are you trying to get the transcation using anchor on chain or off chain (js,ts,py)? Commented Sep 20, 2022 at 17:39
  • on-chain, I know js/ts and py can.
    – Ander
    Commented Sep 20, 2022 at 18:23

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No. Solana is a state machine. An on-chain program cannot fetch transactions, but it can fetch the actual account data (state).

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