public void TestToChecksumAddress()
{
var address = "0x7567d83b7b8d80addcb281a71d54fc7b3364ffed";
var checksumAddress = SimpleWallet.ToChecksumAddress(address);
Assert.True(checksumAddress == "0x7567D83b7b8d80ADdCb281A71d54Fc7B3364ffed");
}