Setup gas price slider

Tokenary iOS/Screens/Approve/ApproveTransactionViewController.swift

@@ -141,6 +141,7 @@ extension ApproveTransactionViewController: UITableViewDataSource {
             return cell
         case .gasPriceSlider:
             let cell = tableView.dequeueReusableCellOfType(GasPriceSliderTableViewCell.self, for: indexPath)
+            cell.setup(value: nil, isEnabled: false, delegate: self)
             return cell
         }
         
@@ -155,3 +156,11 @@ extension ApproveTransactionViewController: UITableViewDataSource {
     }
     
 }
+
+extension ApproveTransactionViewController: GasPriceSliderDelegate {
+    
+    func sliderValueChanged(value: Double) {
+        // TODO: update accorging to new value
+    }
+    
+}

Tokenary iOS/Screens/Approve/GasPriceSliderTableViewCell.swift

@@ -2,12 +2,35 @@
 
 import UIKit
 
+protocol GasPriceSliderDelegate: AnyObject {
+    
+    func sliderValueChanged(value: Double)
+    
+}
+
 class GasPriceSliderTableViewCell: UITableViewCell {
 
+    @IBOutlet weak var slowSpeedLabel: UILabel!
+    @IBOutlet weak var fastSpeedLabel: UILabel!
+    private weak var sliderDelegate: GasPriceSliderDelegate?
     @IBOutlet weak var slider: UISlider!
     
     @IBAction func sliderValueChanged(_ sender: Any) {
-        
+        sliderDelegate?.sliderValueChanged(value: Double(slider.value))
+    }
+    
+    func setup(value: Double?, isEnabled: Bool, delegate: GasPriceSliderDelegate) {
+        sliderDelegate = delegate
+        update(value: value, isEnabled: isEnabled)
+    }
+    
+    func update(value: Double?, isEnabled: Bool) {
+        slider.isEnabled = isEnabled
+        slowSpeedLabel.alpha = isEnabled ? 1 : 0.5
+        fastSpeedLabel.alpha = isEnabled ? 1 : 0.5
+        if let value = value {
+            slider.value = Float(value)
+        }
     }
     
 }

Tokenary iOS/Screens/Approve/GasPriceSliderTableViewCell.xib

@@ -28,7 +28,7 @@
                         <nil key="textColor"/>
                         <nil key="highlightedColor"/>
                     </label>
-                    <slider opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="0.5" minValue="0.0" maxValue="1" translatesAutoresizingMaskIntoConstraints="NO" id="qd0-pb-veR">
+                    <slider opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="0.33000000000000002" minValue="0.0" maxValue="1" translatesAutoresizingMaskIntoConstraints="NO" id="qd0-pb-veR">
                         <rect key="frame" x="49" y="16" width="228" height="34"/>
                         <constraints>
                             <constraint firstAttribute="height" constant="33" id="p8e-ar-5IX"/>
@@ -51,7 +51,9 @@
             </tableViewCellContentView>
             <viewLayoutGuide key="safeArea" id="njF-e1-oar"/>
             <connections>
+                <outlet property="fastSpeedLabel" destination="Icb-yb-97Y" id="Td0-vW-AYd"/>
                 <outlet property="slider" destination="qd0-pb-veR" id="JCq-Fs-VPp"/>
+                <outlet property="slowSpeedLabel" destination="ISk-hp-Adc" id="kcW-Fl-ttL"/>
             </connections>
             <point key="canvasLocation" x="140.57971014492756" y="143.63839285714286"/>
         </tableViewCell>

Tokenary.xcodeproj/project.pbxproj

@@ -441,9 +441,9 @@
 				2C40709227667A8600AB3D55 /* ImageWithLabelTableViewCell.swift */,
 				2C40709327667A8600AB3D55 /* ImageWithLabelTableViewCell.xib */,
 				2C40708E27667A6600AB3D55 /* MultilineLabelTableViewCell.swift */,
+				2C40708F27667A6600AB3D55 /* MultilineLabelTableViewCell.xib */,
 				2CC8C5A02767D3B30083FB1B /* GasPriceSliderTableViewCell.swift */,
 				2CC8C5A12767D3B30083FB1B /* GasPriceSliderTableViewCell.xib */,
-				2C40708F27667A6600AB3D55 /* MultilineLabelTableViewCell.xib */,
 			);
 			path = Approve;
 			sourceTree = "<group>";