remove unused

removed code that was previously used to scan qr codes with the webcam. Also removed unneeded residual pay to script features that were never implemented. Sweep feature now easier to read.

index.html

@@ -163,8 +163,6 @@
 
     <!-- jQuery -->
     <script src="js/jquery-3.2.1.min.js"></script>
-    <!-- QRCode Webcam Scanner -->
-    <script src="js/instascan.min.js"></script>
     <!-- load bitcoinjs-lib -->
     <script src="js/bitcoinjs-lib-3.1.1.js"></script>
     <!-- big integer for mouse entropy -->
@@ -489,7 +487,6 @@ <h2>Details</h2>
 }  
 
 function sweepKey() {
-     var DOUBLE_TX = false
      var NETWORK = currentNetwork();
      var API_DOMAIN = apiDomain();
      var EXPLORER_DOMAIN = explorerDomain();
@@ -565,14 +562,7 @@ <h2>Details</h2>
       if (toAddress == "") {
         alert("Please Enter Address to send to!")
         return
-      } else {
-        try {
-          var toAddressObj = bitcoin.address.fromBase58Check(toAddress)
-        } catch(e) {
-          alert("To Address was not a valid Bitcoin address!")
-          return
-        }
-      }
+      } 
 
       //get fee rate from input
       var satPerByte = $("#satperbyte").val()
@@ -600,19 +590,9 @@ <h2>Details</h2>
       var estimatedFeeSatoshis = Math.ceil(estimatedByteCount * satPerByte)
       var totalSatoshis = inputData.reduce(function(total, item){return total += item.satoshis}, 0)
       var totalSatoshisMinusFee = totalSatoshis - estimatedFeeSatoshis
-      if (DOUBLE_TX) {
-        if (NETWORK.scriptHash == toAddressObj.version) {
-          alert("Can't double Transaction to P2SH, please send to P2PKH")
-          return
-        }
-        var sendToScriptPubkey = redeemScript
-      } else if (NETWORK.pubKeyHash == toAddressObj.version) {
-        var sendToScriptPubkey = bitcoin.script.pubKeyHash.output.encode(toAddressObj.hash)
-      } else if (NETWORK.scriptHash == toAddressObj.version) {
-        var sendToScriptPubkey = bitcoin.script.scriptHash.output.encode(toAddressObj.hash)
-      }
+
       //add output
-      txb.addOutput(sendToScriptPubkey,
+      txb.addOutput(toAddress,
                     totalSatoshisMinusFee)
 
       //sign all inputs
@@ -623,51 +603,7 @@ <h2>Details</h2>
       var tx = txb.build()
       var tx_txid = tx.getId()
       var tx_raw = tx.toHex()
-      if (DOUBLE_TX) {
-        var secondTxInput = {
-          txid: tx_txid,
-          vout: 0,
-          satoshis: totalSatoshisMinusFee
-        }
-        var txb2 = new bitcoin.TransactionBuilder(NETWORK)
-        var sendAmountMinusFees = secondTxInput.satoshis - Math.ceil(142 * satPerByte)
-        if (secondTxInput.satoshis - Math.ceil(142 * satPerByte) < 0) {
-          alert('Not enough funds to pay for Double TX fees.')
-          return
-        }
-        if (parseInt(sendAmountMinusFees / 2) < 546) {
-          alert('Not enough funds to pay for Double TX fees. Would create dust.')
-          return
-        }
-        txb2.addInput(secondTxInput.txid,
-                      secondTxInput.vout,
-                      0xffffffff,
-                      redeemScript)
-        txb2.tx.ins[0].prevOutType = bitcoin.script.types.P2WPKH
-        txb2.addOutput(sendToScriptPubkey,
-                      parseInt(sendAmountMinusFees / 2))
-        txb2.addOutput(sendToScriptPubkey,
-                      parseInt(sendAmountMinusFees / 2))
-
-        txb2.sign(0, keyPair, null, null, secondTxInput.satoshis)
-        var tx2 = txb2.build()
-        var tx2_txid = tx2.getId()
-        var tx2_raw = tx2.toHex()
-        console.log()
-        setTimeout(function(){
-          $.ajax({
-            async: true,
-            type: "POST",
-            url: API_DOMAIN + "/v1/blockchain/pushtx",
-            contentType: 'application/json',
-            dataType: "json",
-            data: JSON.stringify({hex: tx2_raw}),
-            success: function(result) {
-              console.log("Transaction #2 sent!");
-            }
-          });
-        },1500)
-      }
+
       $.ajax({
         async: true,
         type: "POST",
@@ -683,12 +619,8 @@ <h2>Details</h2>
         "Transaction ID:<br><a href=\"" + EXPLORER_DOMAIN + "/tx/" + tx_txid + "\" target=\"_blank\">" +
         tx_txid + "</a><br>" +
         "Raw Transaction:<br><textarea cols=\"150\" rows=\"10\">" +
-        tx_raw + "</textarea>" +
-        (!DOUBLE_TX ? "" : "<br><br>Transaction #2 ID: (Raw Segwit inputs and outputs)<br><a href=\"" + EXPLORER_DOMAIN + "/tx/" + tx2_txid + "\" target=\"_blank\">" +
-        tx2_txid + "</a><br>" +
-        "Raw Transaction:<br><textarea cols=\"150\" rows=\"10\">" +
-        tx2_raw + "</textarea>")
-      );    
+        tx_raw + "</textarea>")
+
 
 }
 
@@ -725,51 +657,8 @@ <h2>Details</h2>
   </script>
 
 <script>
-function turnOnWC(){
-    $("#qrcam").css("display","block");
-    var qr = new Instascan.Scanner({
-    video: document.getElementById("qrcam")
-    });
-
-    qr.addListener('scan', function(data){
-        document.getElementById("wifprivatekey").value = data;
-        if(document.getElementById("wifprivatekey").value.length > 20){
-            qr.stop();
-             $("#qrcam").css("display","none");
-            $("#qrnotify").css("display","block");
-        }
-    });    
-
-    Instascan.Camera.getCameras().then(function(cams){
-        qr.start(cams[0]);
-    }).catch(function(err){
-        console.log(err);
-    });    
-}   
-
-
-function turnOnWC2(){
-$("#qrcam").css("display","block");
-var qr = new Instascan.Scanner({
-video: document.getElementById("qrcam")
-});
-
-qr.addListener('scan', function(data){
-    document.getElementById("toaddress").value = data;
-    if(document.getElementById("toaddress").value.length > 20){
-        qr.stop();
-         $("#qrcam").css("display","none");
-        $("#qrnotify2").css("display","block");
-    }
-});  
-
-
-Instascan.Camera.getCameras().then(function(cams){
-    qr.start(cams[0]);
-}).catch(function(err){
-    console.log(err);
-});    
-}   
+//webcam function removed 
+//TODO find updated library to scan QR codes
 
 </script>