Update contracts to version 0.3.0

contracts/IAdapter.json

@@ -63,6 +63,35 @@
       "stateMutability": "view",
       "type": "function"
     },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "recipient",
+          "type": "address"
+        }
+      ],
+      "name": "getSubscriptionState",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
     {
       "inputs": [
         {
@@ -152,7 +181,7 @@
       "name": "subscriptionToken",
       "outputs": [
         {
-          "internalType": "contract IERC20",
+          "internalType": "contract IERC20Metadata",
           "name": "",
           "type": "address"
         }

contracts/IERC20Metadata.json

@@ -1,7 +1,7 @@
 {
   "_format": "hh-sol-artifact-1",
-  "contractName": "IERC20",
-  "sourceName": "@openzeppelin/contracts/token/ERC20/IERC20.sol",
+  "contractName": "IERC20Metadata",
+  "sourceName": "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol",
   "abi": [
     {
       "anonymous": false,
@@ -120,6 +120,45 @@
       "stateMutability": "view",
       "type": "function"
     },
+    {
+      "inputs": [],
+      "name": "decimals",
+      "outputs": [
+        {
+          "internalType": "uint8",
+          "name": "",
+          "type": "uint8"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "name",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "symbol",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
     {
       "inputs": [],
       "name": "totalSupply",

contracts/ISubscription.json

@@ -28,6 +28,19 @@
       "name": "UpdateSubscription",
       "type": "event"
     },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "recipient",
+          "type": "address"
+        }
+      ],
+      "name": "cancel",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
     {
       "inputs": [
         {
@@ -45,6 +58,19 @@
       "outputs": [],
       "stateMutability": "nonpayable",
       "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "withdrawReceived",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
     }
   ],
   "bytecode": "0x",