since a few weeks, I tried deploy contract on polygon mumbai by hardhat. but transcaction not confirmed for a while then timed out. so I set higher gas, gasprice, and time out limit. but nothing changed. I also tried on remix then contract deployed but It takes 380 confirmation at just one contract. plz give me some advice. enter image description here

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  • whats your address? Do you get a failing txn or nothing at all? And no idea what good gas should be on Mumbai, but it might be higher (I know some networks have a 30gwe min)
    – thefett
    Commented Aug 12, 2022 at 10:59
  • 1
    @thefett thanks for your answer. I raised gasprcie to 50gwei, it worked!
    – Dean97K
    Commented Aug 16, 2022 at 1:56

1 Answer 1


Polygon (and mumbai) apparently have a min gas fee now: https://thedefiant.io/polygon-transaction-fee-hike

Raise it up and you should be good

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