// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.

// OpenEthereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// OpenEthereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with OpenEthereum.  If not, see <http://www.gnu.org/licenses/>.

use ethereum_types::{Address, U256};
use rustc_hex::FromHex;
use std::{str::FromStr, sync::Arc};

use ethcore::{client::TestBlockChainClient, miner::MinerService};
use sync::ManageNetwork;

use super::manage_network::TestManageNetwork;
use jsonrpc_core::IoHandler;
use v1::{tests::helpers::TestMinerService, ParitySet, ParitySetClient};

use fake_fetch::FakeFetch;

fn miner_service() -> Arc<TestMinerService> {
    Arc::new(TestMinerService::default())
}

fn client_service() -> Arc<TestBlockChainClient> {
    Arc::new(TestBlockChainClient::default())
}

fn network_service() -> Arc<TestManageNetwork> {
    Arc::new(TestManageNetwork)
}

pub type TestParitySetClient =
    ParitySetClient<TestBlockChainClient, TestMinerService, FakeFetch<usize>>;

fn parity_set_client(
    client: &Arc<TestBlockChainClient>,
    miner: &Arc<TestMinerService>,
    net: &Arc<TestManageNetwork>,
) -> TestParitySetClient {
    ParitySetClient::new(
        client,
        miner,
        &(net.clone() as Arc<dyn ManageNetwork>),
        FakeFetch::new(Some(1)),
    )
}

#[test]
fn rpc_parity_set_min_gas_price() {
    let miner = miner_service();
    let client = client_service();
    let network = network_service();

    let mut io = IoHandler::new();
    io.extend_with(parity_set_client(&client, &miner, &network).to_delegate());

    let request = r#"{"jsonrpc": "2.0", "method": "parity_setMinGasPrice", "params":["0xcd1722f3947def4cf144679da39c4c32bdc35681"], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;

    assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
}

#[test]
fn rpc_parity_set_min_gas_price_with_automated_calibration_enabled() {
    let miner = miner_service();
    *miner.min_gas_price.write() = None;

    let client = client_service();
    let network = network_service();

    let mut io = IoHandler::new();
    io.extend_with(parity_set_client(&client, &miner, &network).to_delegate());

    let request = r#"{"jsonrpc": "2.0", "method": "parity_setMinGasPrice", "params":["0xdeadbeef"], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","error":{"code":-32000,"message":"Can't update fixed gas price while automatic gas calibration is enabled."},"id":1}"#;

    assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
}

#[test]
fn rpc_parity_set_gas_floor_target() {
    let miner = miner_service();
    let client = client_service();
    let network = network_service();

    let mut io = IoHandler::new();
    io.extend_with(parity_set_client(&client, &miner, &network).to_delegate());

    let request = r#"{"jsonrpc": "2.0", "method": "parity_setGasFloorTarget", "params":["0xcd1722f3947def4cf144679da39c4c32bdc35681"], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;

    assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
    assert_eq!(
        miner.authoring_params().gas_range_target.0,
        U256::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap()
    );
}

#[test]
fn rpc_parity_set_extra_data() {
    let miner = miner_service();
    let client = client_service();
    let network = network_service();

    let mut io = IoHandler::new();
    io.extend_with(parity_set_client(&client, &miner, &network).to_delegate());

    let request = r#"{"jsonrpc": "2.0", "method": "parity_setExtraData", "params":["0xcd1722f3947def4cf144679da39c4c32bdc35681"], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;

    assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
    assert_eq!(
        miner.authoring_params().extra_data,
        "cd1722f3947def4cf144679da39c4c32bdc35681"
            .from_hex()
            .unwrap()
    );
}

#[test]
fn rpc_parity_set_author() {
    let miner = miner_service();
    let client = client_service();
    let network = network_service();

    let mut io = IoHandler::new();
    io.extend_with(parity_set_client(&client, &miner, &network).to_delegate());

    let request = r#"{"jsonrpc": "2.0", "method": "parity_setAuthor", "params":["0xcd1722f3947def4cf144679da39c4c32bdc35681"], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;

    assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
    assert_eq!(
        miner.authoring_params().author,
        Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap()
    );
}

#[test]
fn rpc_parity_set_transactions_limit() {
    let miner = miner_service();
    let client = client_service();
    let network = network_service();

    let mut io = IoHandler::new();
    io.extend_with(parity_set_client(&client, &miner, &network).to_delegate());

    let request = r#"{"jsonrpc": "2.0", "method": "parity_setTransactionsLimit", "params":[10240240], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":false,"id":1}"#;

    assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
}

#[test]
fn rpc_parity_set_hash_content() {
    let miner = miner_service();
    let client = client_service();
    let network = network_service();

    let mut io = IoHandler::new();
    io.extend_with(parity_set_client(&client, &miner, &network).to_delegate());

    let request = r#"{"jsonrpc": "2.0", "method": "parity_hashContent", "params":["https://parity.io/assets/images/ethcore-black-horizontal.png"], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e","id":1}"#;

    assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
}

#[test]
fn rpc_parity_remove_transaction() {
    use types::transaction::{Action, Transaction, TypedTransaction};

    let miner = miner_service();
    let client = client_service();
    let network = network_service();

    let mut io = IoHandler::new();
    io.extend_with(parity_set_client(&client, &miner, &network).to_delegate());

    let tx = TypedTransaction::Legacy(Transaction {
        nonce: 1.into(),
        gas_price: 0x9184e72a000u64.into(),
        gas: 0x76c0.into(),
        action: Action::Call(Address::from_low_u64_be(5)),
        value: 0x9184e72au64.into(),
        data: vec![],
    });
    let signed = tx.fake_sign(Address::from_low_u64_be(2));
    let hash = signed.hash();

    let request = r#"{"jsonrpc": "2.0", "method": "parity_removeTransaction", "params":[""#
        .to_owned()
        + &format!("0x{:x}", hash)
        + r#""], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":{"blockHash":null,"blockNumber":null,"chainId":null,"condition":null,"creates":null,"from":"0x0000000000000000000000000000000000000002","gas":"0x76c0","gasPrice":"0x9184e72a000","hash":"0x49569012bc8523519642c337fded3f20ba987beab31e14c67223b3d31359956f","input":"0x","nonce":"0x1","publicKey":null,"r":"0x1","raw":"0xe9018609184e72a0008276c0940000000000000000000000000000000000000005849184e72a801f0101","s":"0x1","standardV":"0x4","to":"0x0000000000000000000000000000000000000005","transactionIndex":null,"type":"0x0","v":"0x1f","value":"0x9184e72a"},"id":1}"#;

    miner.pending_transactions.lock().insert(hash, signed);
    assert_eq!(io.handle_request_sync(&request), Some(response.to_owned()));
}

#[test]
fn rpc_parity_set_engine_signer() {
    use accounts::AccountProvider;
    use bytes::ToPretty;
    use v1::{impls::ParitySetAccountsClient, traits::ParitySetAccounts};

    let account_provider = Arc::new(AccountProvider::transient_provider());
    account_provider
        .insert_account(::hash::keccak("cow").into(), &"password".into())
        .unwrap();

    let miner = miner_service();
    let mut io = IoHandler::new();
    io.extend_with(ParitySetAccountsClient::new(&account_provider, &miner).to_delegate());

    let request = r#"{"jsonrpc": "2.0", "method": "parity_setEngineSigner", "params":["0xcd2a3d9f938e13cd947ec05abc7fe734df8dd826", "password"], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;

    assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
    assert_eq!(
        miner.authoring_params().author,
        Address::from_str("cd2a3d9f938e13cd947ec05abc7fe734df8dd826").unwrap()
    );
    let signature = miner
        .signer
        .read()
        .as_ref()
        .unwrap()
        .sign(::hash::keccak("x"))
        .unwrap()
        .to_vec();
    assert_eq!(&format!("{}", signature.pretty()), "6f46069ded2154af6e806706e4f7f6fd310ac45f3c6dccb85f11c0059ee20a09245df0a0008bb84a10882b1298284bc93058e7bc5938ea728e77620061687a6401");
}