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The error about gas estimation failed is not actually an error but a warning. It means exactly what it says: the system is unable to estimate the required gas amount. This is mostly due to the calls to external contracts. There is no way to know what functionality happens inside the external contracts and therefore there is no way to estimate the required ...


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While there are a few sources of normal variance: Different EVM versions have different OPCODE pricing Conditional branching in contracts, including ERC20, can lead to a range of possible transaction costs There is no good reason for a valid transaction to shoot up many orders of magnitude. Unless it is a very strange token contract, there would be no ...


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