ProviderError: transaction underpriced on Mumbai Testnet

user_2674409 0
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I am building an NFT Market on the Polygon network.

I am able to deploy my code on localhost and everything works fine.

But when I try to it deploy to the mumbai testnet using the command npx hardhat run scripts/deploy.js --network mumbai

I run into this error. ProviderError: transaction underpriced

nft solidity
2 Answers

Actually I too got this error in morning. Somehow I believe default gasPrice is not picked up. So I just updated my hardhat config file with following :-

mumbai: {
      // Infura
      url: `https://polygon-mumbai.infura.io/v3/${INFURA_API_KEY}`,
      accounts: [privateKey1],
      gasPrice: 35000000000,
      saveDeployments: true,
    },

Earlier I was not using gasPrice explicitly. When I put some value it, it worked.

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