getAddressFromPrivateKey method

String? getAddressFromPrivateKey(
  1. String privateKey
)

Returns EIP-55 address or null if invalid – never throws

Implementation

String? getAddressFromPrivateKey(String privateKey) {
  try {
    final trimmed = privateKey.trim();
    if (trimmed.isEmpty) return null;
    final normalized = trimmed.startsWith('0x') ? trimmed : '0x$trimmed';
    if (!RegExp(r'^0x[0-9a-fA-F]{64}$').hasMatch(normalized)) return null;
    final credentials = EthPrivateKey.fromHex(normalized);
    return credentials.address.hexEip55;
  } catch (_) {
    return null;
  }
}