55
56api.add_resource(GalacticChainAPI, '/')
57api.add_resource(SmartContractAPI, '/contracts', '/contracts/<string:contract_name>')
58api.add_resource(TransactionAPI, '/transactions', '/transactions/<string:transaction_id>')59api.add_resource(EllipticCurveAPI, '/elliptic_curve')
60
61if __name__ == '__main__':

19        return signature
20
21    def verify(self, public_key, message, signature):
22        verifier = public_key.verifier(signature, padding=ec.ECDSA(max_size=32).padding, algorithm=ec.ECDSA(hash_func=hashlib.sha256))23        try:
24            verifier.verify(message.encode())
25            return True

14        return private_key, public_key
15
16    def sign(self, private_key, message):
17        signer = private_key.signer(padding=ec.ECDSA(max_size=32).padding, algorithm=ec.ECDSA(hash_func=hashlib.sha256))18        signature = signer.sign(message.encode())
19        return signature
20

 62        :return: Output of the contract
 63        """
 64        output = self.ai_classifier.model.predict(input_data)
 65        self.contract.functions.updateState(output).transact({'from': self.blockchain.accounts[0]}) 66        return output
 67
 68class Blockchain:

 35        """
 36        X_train, X_test, y_train, y_test = train_test_split(self.data, self.target, test_size=0.2, random_state=42)
 37        early_stopping = EarlyStopping(monitor='val_loss', patience=5, min_delta=0.001)
 38        self.model.fit(X_train, y_train, epochs=100, batch_size=32, validation_data=(X_test, y_test), callbacks=[early_stopping]) 39        y_pred = self.model.predict(X_test)
 40        print("Accuracy:", accuracy_score(y_test, y_pred))
 41        return self.model