formatAddress function
Shorten an address to 0xXXXX…XXXX for display.
Implementation
String formatAddress(String address) {
if (address.length <= 6) {
return address;
}
final offset = address.startsWith('0x') ? 2 : 0;
return '0x${address.substring(offset, offset + 4)}$_ellipsis${address.substring(address.length - 4)}';
}