An advanced Ethereum/EVM mobile wallet
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alpha-wallet-ios/Trust/Extensions/CALayer.swift

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// Copyright SIX DAY LLC. All rights reserved.
import Foundation
import UIKit
extension CALayer {
func addBorder(edge: UIRectEdge, color: UIColor, thickness: CGFloat) {
let border = CALayer()
switch edge {
case UIRectEdge.top:
border.frame = CGRect.init(x: 0, y: 0, width: frame.width, height: thickness)
case UIRectEdge.bottom:
border.frame = CGRect.init(x: 0, y: frame.height - thickness, width: frame.width, height: thickness)
case UIRectEdge.left:
border.frame = CGRect.init(x: 0, y: 0, width: thickness, height: frame.height)
case UIRectEdge.right:
border.frame = CGRect.init(x: frame.width - thickness, y: 0, width: thickness, height: frame.height)
default:
break
}
border.backgroundColor = color.cgColor
self.addSublayer(border)
}
}