cs_mwc_pool 5.3.9

Chain implementation for mwc, a simple, private and scalable cryptocurrency implementation based on the MimbleWimble chain format.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99

// Copyright 2019 The Grin Developers
// Copyright 2024 The MWC Developers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

pub mod common;

use self::core::consensus;
use self::core::core::{HeaderVersion, KernelFeatures, NRDRelativeHeight};
use self::core::global;
use self::keychain::{ExtKeychain, Keychain};
use self::pool::types::PoolError;
use crate::common::*;
use mwc_core as core;
use mwc_keychain as keychain;
use mwc_pool as pool;
use mwc_util as util;
use std::sync::Arc;

#[test]
fn test_nrd_kernels_enabled() {
	util::init_test_logger();
	global::set_local_chain_type(global::ChainTypes::AutomatedTesting);
	global::set_local_accept_fee_base(10);
	global::set_local_nrd_enabled(true);

	let keychain: ExtKeychain = Keychain::from_random_seed(false).unwrap();

	let db_root = "target/.nrd_kernels_enabled";
	clean_output_dir(db_root.into());

	let genesis = genesis_block(&keychain);
	let chain = Arc::new(init_chain(db_root, genesis));

	// Initialize a new pool with our chain adapter.
	let mut pool = init_transaction_pool(Arc::new(ChainAdapter {
		chain: chain.clone(),
	}));

	// Add some blocks.
	add_some_blocks(&chain, 3, &keychain);

	// Spend the initial coinbase.
	let header_1 = chain.get_header_by_height(1).unwrap();
	let mg = consensus::MILLI_MWC;
	let tx = test_transaction_spending_coinbase(
		&keychain,
		&header_1,
		vec![100 * mg, 200 * mg, 300 * mg, 400 * mg],
	);
	add_block(&chain, &[tx], &keychain);

	let tx_1 = test_transaction_with_kernel_features(
		&keychain,
		vec![100 * mg, 200 * mg],
		vec![240 * mg],
		KernelFeatures::NoRecentDuplicate {
			fee: (60 * mg as u32).into(),
			relative_height: NRDRelativeHeight::new(1440).unwrap(),
		},
	);

	let header = chain.head_header().unwrap();
	assert!(header.version < HeaderVersion(3)); // in MWC activating NRD from V3

	assert_eq!(
		pool.add_to_pool(test_source(), tx_1.clone(), false, &header, chain.secp()),
		Err(PoolError::NRDKernelPreHF3)
	);

	// Now mine several more blocks out to HF3
	add_some_blocks(&chain, 5, &keychain);
	let header = chain.head_header().unwrap();
	assert_eq!(header.height, consensus::TESTING_THIRD_HARD_FORK);
	assert_eq!(header.version, HeaderVersion(4));

	// NRD kernel support enabled via feature flag, so valid.
	assert_eq!(
		pool.add_to_pool(test_source(), tx_1.clone(), false, &header, chain.secp()),
		Ok(())
	);

	assert_eq!(pool.total_size(), 1);
	let txs = pool.prepare_mineable_transactions(chain.secp()).unwrap();
	assert_eq!(txs.len(), 1);

	// Cleanup db directory
	clean_output_dir(db_root.into());
}