Programming Model
Preflight Check
📖O que é
An RPC-level simulation that runs a transaction against the current bank state before forwarding it to the leader for actual execution. Preflight checks catch common errors (insufficient funds, invalid blockhash, CU overrun, program errors) before the transaction is submitted to the cluster. Preflight can be skipped via the skipPreflight option in sendTransaction, which is sometimes used when the simulation state lags behind the leader's state.
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