diff --git a/packages/hardhat/contracts/Distributor.sol b/packages/hardhat/contracts/Distributor.sol
index bfb37cd9..0c630835 100644
--- a/packages/hardhat/contracts/Distributor.sol
+++ b/packages/hardhat/contracts/Distributor.sol
@@ -55,8 +55,7 @@ contract Distributor {
     }
 
     if (msg.value > total) {
-      (bool sent, ) = msg.sender.call{value: msg.value - total}("");
-      require(sent, "FAILED_CONTRACT_DRAIN");
+      SafeTransferLib.safeTransferETH(msg.sender, msg.value - total);
     }
 
     emit ethDistributed(msg.sender, id);
diff --git a/packages/react-app/src/contracts/hardhat_contracts.json b/packages/react-app/src/contracts/hardhat_contracts.json
index 3e75e371..129bb1ff 100644
--- a/packages/react-app/src/contracts/hardhat_contracts.json
+++ b/packages/react-app/src/contracts/hardhat_contracts.json
@@ -5,7 +5,7 @@
       "chainId": "1",
       "contracts": {
         "Distributor": {
-          "address": "0x3E1516166E38eF3C995BDad7a27e8B1643e3450D",
+          "address": "0x14313eB3823D0268C49d2D977b6Fb1eE2233Ef20",
           "abi": [
             {
               "anonymous": false,
@@ -113,7 +113,7 @@
       "chainId": "4",
       "contracts": {
         "Distributor": {
-          "address": "0x0e76C65F57D88DD35079E19CEa92a3bA197C18D4",
+          "address": "0xEa99C58645f897ac8BF530538e36e6D651ff8bF7",
           "abi": [
             {
               "anonymous": false,
@@ -221,7 +221,115 @@
       "chainId": "5",
       "contracts": {
         "Distributor": {
-          "address": "0x80fB8Dc425f13b9118d8B382803cAA5289F93218",
+          "address": "0xC7fE6Af7dAa0e3f98d56ebbABdE0b97EfA5Ed42f",
+          "abi": [
+            {
+              "anonymous": false,
+              "inputs": [
+                {
+                  "indexed": true,
+                  "internalType": "address",
+                  "name": "sender",
+                  "type": "address"
+                },
+                {
+                  "indexed": true,
+                  "internalType": "string",
+                  "name": "id",
+                  "type": "string"
+                }
+              ],
+              "name": "ethDistributed",
+              "type": "event"
+            },
+            {
+              "anonymous": false,
+              "inputs": [
+                {
+                  "indexed": true,
+                  "internalType": "address",
+                  "name": "sender",
+                  "type": "address"
+                },
+                {
+                  "indexed": true,
+                  "internalType": "address",
+                  "name": "token",
+                  "type": "address"
+                },
+                {
+                  "indexed": true,
+                  "internalType": "string",
+                  "name": "id",
+                  "type": "string"
+                }
+              ],
+              "name": "tokenDistributed",
+              "type": "event"
+            },
+            {
+              "inputs": [
+                {
+                  "internalType": "address[]",
+                  "name": "recipients",
+                  "type": "address[]"
+                },
+                {
+                  "internalType": "uint256[]",
+                  "name": "values",
+                  "type": "uint256[]"
+                },
+                {
+                  "internalType": "string",
+                  "name": "id",
+                  "type": "string"
+                }
+              ],
+              "name": "distributeEther",
+              "outputs": [],
+              "stateMutability": "payable",
+              "type": "function"
+            },
+            {
+              "inputs": [
+                {
+                  "internalType": "contract ERC20",
+                  "name": "token",
+                  "type": "address"
+                },
+                {
+                  "internalType": "address[]",
+                  "name": "recipients",
+                  "type": "address[]"
+                },
+                {
+                  "internalType": "uint256[]",
+                  "name": "values",
+                  "type": "uint256[]"
+                },
+                {
+                  "internalType": "string",
+                  "name": "id",
+                  "type": "string"
+                }
+              ],
+              "name": "distributeToken",
+              "outputs": [],
+              "stateMutability": "nonpayable",
+              "type": "function"
+            }
+          ]
+        }
+      }
+    }
+  },
+  "137": {
+    "matic": {
+      "name": "matic",
+      "chainId": "137",
+      "contracts": {
+        "Distributor": {
+          "address": "0x9bb1f87f3e80bee26bcb491489c1b41e0e15b16d",
           "abi": [
             {
               "anonymous": false,