Function: updateSignatureThreshold(uint256 _newValue)
This function is used to update the threshold of required signatures for message verification. This function is only callable by the contract owner.
Inputs
_newValue
Control: Arbitrary.
Constraints: Nonzero value.
Impact: New number of required signatures.
Branches and code coverage
Intended branches
Update the threshold of required signatures.
Negative behavior
Revert if the function is not called by the owner.
Revert if the value is zero.
Revert if the new value is the same as the current value.