unlock method
Implementation
Future<void> unlock(String passphrase, {String? keystore}) async {
try {
if ((_keystore == null)) {
if (keystore != null) {
_keystore = keystore;
} else {
throw "keystore file is not found";
}
}
final phrase = await decodePhrase(
jsonDecode(_keystore!),
passphrase,
);
var newIcp = ICPAccount.fromPhrase(
phrase,
index: 0,
icPath: IC_BASE_PATH,
curveType: _curveType,
);
_phrase = phrase;
_ecKeys = newIcp._ecKeys;
_identity = newIcp._identity;
_ecIdentity = newIcp._ecIdentity;
newIcp._ecKeys = null;
newIcp._identity = null;
isLocked = false;
} catch (e) {
throw "Cannot unlock account with password $passphrase "
"and keystore $_keystore";
}
}