The discrepancy between the calculated gas fee and the insufficient funds error could be influenced by factors like network congestion or higher gas prices. To address this, consider increasing the gas price to a higher value when deploying your contracts, especially during periods of high network activity. This ensures your transaction is prioritized and executed successfully.
Additionally, double-check that your address is correctly funded with the expected balance, and confirm that you are specifying both the gas limit and gas price appropriately during contract deployment.
To help you estimate the gas limit and gas price more accurately, here's a code snippet using ethers.js:
// Initialize provider and signer const provider = new ethers.providers.InfuraProvider(networkName, projectID); const signer = new ethers.Wallet(pKey, provider); // Fetch the latest gas price data for Polygon zkEVM Mainnet const gasFee = await fetchGasPrice(); // Estimate the gas limit for your contract deployment const estimatedGasLimit = await provider.estimateGas({ type: 2, to: contractAddress, from: userAddress, nonce: nonce, gasLimit: 14_999_999, gasFee: gasFee, data: iface.encodeFunctionData("function_name", [functionArgs]), }); // Set the gas price and gas limit during contract deployment const txn_response = await contract.functionName(functionArgs, { gasLimit: estimatedGasLimit, nonce: nonce, gasFee: gasFee, });
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