transfer eth function

marketMint.sol

@@ -209,6 +209,16 @@ contract Mint is ReentrancyGuard {
     return true;
   }
 
+  /// @notice
+  /*~~~> 
+    Internal function for sending ether
+  <~~~*/
+  /// @return Bool
+  function sendEther(address recipient, uint ethvalue) internal nonReentrant returns (bool){
+    (bool success, bytes memory data) = address(recipient).call{value: ethvalue}("");
+    return(success);
+  }
+
   /// @notice
   /*~~~>
   Functions for retrieving memory items
@@ -245,7 +255,7 @@ contract Mint is ReentrancyGuard {
   ///@notice
   /*~~~> External ETH transfer forwarded to role provider contract <~~~*/
   receive() external payable {
-    payable(roleAdd).transfer(msg.value);
+    require(sendEther(roleAdd, msg.value));
   }
   function onERC1155Received(address, address, uint256, uint256, bytes memory) external virtual returns (bytes4) {
         return this.onERC1155Received.selector;
@@ -258,4 +268,4 @@ contract Mint is ReentrancyGuard {
     ) external pure returns(bytes4) {
       return bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"));
   }
-}
+}