public string ConvertToChecksumAddress(string address)
{
address = address.ToLower().RemoveHexPrefix();
var addressHash = new Sha3Keccack().CalculateHash(address);
var checksumAddress = "0x";
for (var i = 0; i \ if (int.Parse(addressHash[i].ToString(), NumberStyles.HexNumber) \>\ 7)
checksumAddress += address[i].ToString().ToUpper();
else
checksumAddress += address[i];
return checksumAddress;
}
public bool IsChecksumAddress(string address)
{
address = address.RemoveHexPrefix();
var addressHash = new Sha3Keccack().CalculateHash(address.ToLower());
for (var i = 0; i \ {
var value = int.Parse(addressHash[i].ToString(), NumberStyles.HexNumber);
// the nth letter should be uppercase if the nth digit of casemap is 1
if (value \>\ 7 && address[i].ToString().ToUpper() != address[i].ToString() ||
value \ return false;
}
return true;
}
