- (UIImage *)drawImageWithIdentifier:(NSString *)currencyIdentifier inView:(UIImageView *)imageView {

    ColorTable *colorTable = [[ColorTable alloc] init];

    CGFloat contentInset = imageView.frame.size.height/4;

    UIView *backgroundView = [[UIView alloc] initWithFrame:self.imageView.bounds];
    backgroundView.backgroundColor = [colorTable colorWithID:currencyIdentifier];

    UIImage *currencyImage = [UIImage imageNamed:@"ethereum_icon.png"];

    UIGraphicsBeginImageContextWithOptions(backgroundView.bounds.size, NO, [UIScreen mainScreen].scale);

    [[UIBezierPath bezierPathWithRoundedRect:backgroundView.bounds cornerRadius:backgroundView.frame.size.height/2] addClip];

    [backgroundView.layer renderInContext:UIGraphicsGetCurrentContext()];

    CGFloat aspectRatio = currencyImage.size.width/currencyImage.size.height;

    if (aspectRatio < 1) {
        //vertical image
        CGRect imageRect = CGRectMake(0, 0, (backgroundView.frame.size.height - 2*contentInset) *aspectRatio , backgroundView.frame.size.height - 2*contentInset);
        CGFloat pointX = (backgroundView.frame.size.width / 2) - (imageRect.size.width / 2);
        CGFloat pointY = (backgroundView.frame.size.height / 2) - (imageRect.size.height / 2);

        [currencyImage drawInRect:CGRectMake(pointX, pointY, imageRect.size.width, imageRect.size.height) blendMode:kCGBlendModeNormal alpha:0.1];
    }
    else if (aspectRatio > 1) {
        //horizontal image
        CGRect imageRect = CGRectMake(0, 0, (backgroundView.frame.size.height - 2*contentInset) *aspectRatio, backgroundView.frame.size.height - 2*contentInset);
        CGFloat pointX = (backgroundView.frame.size.width / 2) - (imageRect.size.width / 2);
        CGFloat pointY = (backgroundView.frame.size.height / 2) - (imageRect.size.height / 2);

        [currencyImage drawInRect:CGRectMake(pointX, pointY, imageRect.size.width, imageRect.size.height) blendMode:kCGBlendModeNormal alpha:0.1];
    }
    else if (aspectRatio == 1) {
        //square image
        CGRect imageRect = CGRectMake(0, 0, backgroundView.frame.size.height - 2*contentInset, backgroundView.frame.size.height - 2*contentInset);
        CGFloat pointX = (backgroundView.frame.size.width / 2) - (imageRect.size.width / 2);
        CGFloat pointY = (backgroundView.frame.size.height / 2) - (imageRect.size.height / 2);

        [currencyImage drawInRect:CGRectMake(pointX, pointY, imageRect.size.width, imageRect.size.height) blendMode:kCGBlendModeNormal alpha:0.1];
    }

    UIImage *finalImage = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    return finalImage;
}