// Older rustc (which we support) refuses to let us call the get_payment_preimage_hash!() macro
// without the node parameter being mut. This is incorrect, and thus newer rustcs will complain
// about an unnecessary mut. Thus, we silence the unused_mut warning in two test modules below.
// Older rustc (which we support) refuses to let us call the get_payment_preimage_hash!() macro
// without the node parameter being mut. This is incorrect, and thus newer rustcs will complain
// about an unnecessary mut. Thus, we silence the unused_mut warning in two test modules below.