Solana Priority Fee Estimation: The RPC Returns a Minimum

Originally published on xroot.dev. You call getRecentPrioritizationFees, take the 75th percentile of what comes back, add a margin, sign — and the transaction does not land. So next time you take the 90th percentile. It still does not land, and now you are paying for the ones that do. The method is doing exactly what its code says. The problem is...