[Lesson 9] Error when passing argument to checkUpKeep() (VRF Coordinator) #451
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Hi!
The error is: Invalid type for argument in function call. Invalid implicit conversion from literal_string "" to bytes calldata requested. |
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Does this help? |
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Warning: Function state mutability can be restricted to view Why am I getting this warning? |
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https://ethereum.stackexchange.com/a/130538