checksummedAddress(address)

Feature	Returns a checksummed address for given address string. For invalid address, an error is returned.
Parameters	string address
Return Value	string checksummed address

example

const address = "0x15838b16912f79aa7adb45258d146e488a971869fca";
const checksummed = mitum.account.checksummedAddress(address);
console.log(checksummed);

// output
0x15838b16912F79AA7aDB45258d146E488A971869fca