Merge pull request #13 from VenusProtocol/feat/add-nonzero-value-check

Feat function for Non-Zero Value Checks

contracts/validators.sol

@@ -4,6 +4,9 @@ pragma solidity 0.8.13;
 /// @notice Thrown if the supplied address is a zero address where it is not allowed
 error ZeroAddressNotAllowed();
 
+/// @notice Thrown if the supplied value is 0 where it is not allowed
+error ZeroValueNotAllowed();
+
 /// @notice Checks if the provided address is nonzero, reverts otherwise
 /// @param address_ Address to check
 /// @custom:error ZeroAddressNotAllowed is thrown if the provided address is a zero address
@@ -12,3 +15,12 @@ function ensureNonzeroAddress(address address_) pure {
         revert ZeroAddressNotAllowed();
     }
 }
+
+/// @notice Checks if the provided value is nonzero, reverts otherwise
+/// @param value_ Value to check
+/// @custom:error ZeroValueNotAllowed is thrown if the provided value is 0
+function ensureNonzeroValue(uint256 value_) pure {
+    if (value_ == 0) {
+        revert ZeroValueNotAllowed();
+    }
+}