feat: enable sending contract calls from the browser

src/app/provider/view.nim

@@ -113,15 +113,21 @@ QtObject:
         let request = data.request.parseJson
         let fromAddress = request["params"][0]["from"].getStr()
         let to = request["params"][0]["to"].getStr()
-        let value = request["params"][0]["value"].getStr()
+        let value = if (request["params"][0]["value"] != nil):
+          request["params"][0]["value"].getStr()
+        else:
+          "0"
         let password = request["password"].getStr()
         let selectedGasLimit = request["selectedGasLimit"].getStr()
         let selectedGasPrice = request["selectedGasPrice"].getStr()
+        let txData = if (request["params"][0]["data"] != nil):
+          request["params"][0]["data"].getStr()
+        else:
+          ""
 
         var success: bool
         # TODO make this async
-        let response = status.wallet.sendTransaction(fromAddress, to, value, selectedGasLimit, selectedGasPrice, password, success)
-        debug "Response", response, success
+        let response = status.wallet.sendTransaction(fromAddress, to, value, selectedGasLimit, selectedGasPrice, password, success, txData)
         let errorMessage = if not success:
           if response == "":
             "web3-response-error"
@@ -134,7 +140,11 @@ QtObject:
           "type": ResponseTypes.Web3SendAsyncCallback,
           "messageId": data.messageId,
           "error": errorMessage,
-          "result": if (success): response else: ""
+          "result": {
+            "jsonrpc": "2.0",
+            "id": data.payload.id,
+            "result": if (success): response else: ""
+          }
         }
       except Exception as e:
         error "Error sending the transaction", msg = e.msg

src/status/transactions.nim

@@ -8,12 +8,13 @@ import
   libstatus/types
 from libstatus/utils as status_utils import toUInt64, gwei2Wei, parseAddress
 
-proc buildTransaction*(source: Address, value: Uint256, gas = "", gasPrice = ""): EthSend =
+proc buildTransaction*(source: Address, value: Uint256, gas = "", gasPrice = "", data = ""): EthSend =
   result = EthSend(
     source: source,
     value: value.some,
     gas: (if gas.isEmptyOrWhitespace: Quantity.none else: Quantity(cast[uint64](parseFloat(gas).toUInt64)).some),
-    gasPrice: (if gasPrice.isEmptyOrWhitespace: int.none else: gwei2Wei(parseFloat(gasPrice)).truncate(int).some)
+    gasPrice: (if gasPrice.isEmptyOrWhitespace: int.none else: gwei2Wei(parseFloat(gasPrice)).truncate(int).some),
+    data: data
   )
 
 proc buildTokenTransaction*(source, contractAddress: Address, gas = "", gasPrice = ""): EthSend =

src/status/wallet.nim

@@ -118,10 +118,10 @@ proc estimateTokenGas*(self: WalletModel, source, to, assetAddress, value: strin
   let response = contract.methods["transfer"].estimateGas(tx, transfer, success)
   result = fromHex[int](response)
 
-proc sendTransaction*(self: WalletModel, source, to, value, gas, gasPrice, password: string, success: var bool): string =
+proc sendTransaction*(self: WalletModel, source, to, value, gas, gasPrice, password: string, success: var bool, data = ""): string =
   var tx = transactions.buildTransaction(
     parseAddress(source),
-    eth2Wei(parseFloat(value), 18), gas, gasPrice
+    eth2Wei(parseFloat(value), 18), gas, gasPrice, data
   )
   tx.to = parseAddress(to).some
 

ui/app/AppLayouts/Browser/BrowserLayout.qml

@@ -193,7 +193,6 @@ Item {
 
                 // TODO change sendTransaction function to the postMessage one
                 sendDialog.sendTransaction = function (selectedGasLimit, selectedGasPrice, enteredPassword) {
-                    console.log('OK', selectedGasLimit, selectedGasPrice, enteredPassword)
                     request.payload.selectedGasLimit = selectedGasLimit
                     request.payload.selectedGasPrice = selectedGasPrice
                     request.payload.password = enteredPassword
@@ -215,7 +214,7 @@ Item {
                         toastMessage.source = "../../img/loading.svg"
                         toastMessage.iconColor = Style.current.primary
                         toastMessage.iconRotates = true
-                        toastMessage.link = `${walletModel.etherscanLink}/${responseOnj.result}`
+                        toastMessage.link = `${walletModel.etherscanLink}/${responseObj.result}`
                         toastMessage.open()
                     } catch (e) {
                         if (e.message.includes("could not decrypt key with given password")){