|
| 1 | +// TODO: This example needs to be updated as the reorganize() method was removed |
| 2 | +// The reorganization logic is now handled internally by the SPV client |
| 3 | +// and wallet state is managed through the WalletInterface |
| 4 | + |
| 5 | +#![allow(dead_code)] |
| 6 | + |
1 | 7 | //! Demo showing that chain reorganization now works without borrow conflicts |
2 | 8 |
|
3 | | -use dash_spv::chain::{ChainWork, Fork, ReorgManager}; |
4 | | -use dash_spv::storage::{MemoryStorageManager, StorageManager}; |
5 | | -use dash_spv::types::ChainState; |
6 | | -use dash_spv::wallet::WalletState; |
7 | | -use dashcore::{blockdata::constants::genesis_block, Header as BlockHeader, Network}; |
8 | | -use dashcore_hashes::Hash; |
9 | | - |
10 | | -fn create_test_header(prev: &BlockHeader, nonce: u32) -> BlockHeader { |
11 | | - let mut header = prev.clone(); |
12 | | - header.prev_blockhash = prev.block_hash(); |
13 | | - header.nonce = nonce; |
14 | | - header.time = prev.time + 600; // 10 minutes later |
15 | | - header |
| 9 | +// Temporarily disable this example |
| 10 | +fn main() { |
| 11 | + println!("This example is temporarily disabled pending updates to use the new architecture"); |
16 | 12 | } |
17 | 13 |
|
18 | | -#[tokio::main] |
19 | | -async fn main() -> Result<(), Box<dyn std::error::Error>> { |
20 | | - println!("🔧 Chain Reorganization Demo - Testing Borrow Conflict Fix\n"); |
21 | | - |
22 | | - // Create test components |
23 | | - let network = Network::Dash; |
24 | | - let genesis = genesis_block(network).header; |
25 | | - let mut chain_state = ChainState::new_for_network(network); |
26 | | - let mut wallet_state = WalletState::new(network); |
27 | | - let mut storage = MemoryStorageManager::new().await?; |
28 | | - |
29 | | - println!("📦 Building main chain: genesis -> block1 -> block2"); |
30 | | - |
31 | | - // Build main chain: genesis -> block1 -> block2 |
32 | | - let block1 = create_test_header(&genesis, 1); |
33 | | - let block2 = create_test_header(&block1, 2); |
34 | | - |
35 | | - // Store main chain |
36 | | - storage.store_headers(&[genesis]).await?; |
37 | | - storage.store_headers(&[block1]).await?; |
38 | | - storage.store_headers(&[block2]).await?; |
39 | | - |
40 | | - // Update chain state |
41 | | - chain_state.add_header(genesis); |
42 | | - chain_state.add_header(block1); |
43 | | - chain_state.add_header(block2); |
44 | | - |
45 | | - println!("✅ Main chain height: {}", chain_state.get_height()); |
46 | | - |
47 | | - println!("\n📦 Building fork: genesis -> block1' -> block2' -> block3'"); |
48 | | - |
49 | | - // Build fork chain: genesis -> block1' -> block2' -> block3' |
50 | | - let block1_fork = create_test_header(&genesis, 100); // Different nonce |
51 | | - let block2_fork = create_test_header(&block1_fork, 101); |
52 | | - let block3_fork = create_test_header(&block2_fork, 102); |
53 | | - |
54 | | - // Create fork with more work |
55 | | - let fork = Fork { |
56 | | - fork_point: genesis.block_hash(), |
57 | | - fork_height: 0, // Fork from genesis |
58 | | - tip_hash: block3_fork.block_hash(), |
59 | | - tip_height: 3, |
60 | | - headers: vec![block1_fork, block2_fork, block3_fork], |
61 | | - chain_work: ChainWork::from_bytes([255u8; 32]), // Maximum work |
62 | | - }; |
63 | | - |
64 | | - println!("✅ Fork chain height: {}", fork.tip_height); |
65 | | - println!("✅ Fork has more work than main chain"); |
66 | | - |
67 | | - println!("\n🔄 Attempting reorganization..."); |
68 | | - println!(" This previously failed with borrow conflict!"); |
69 | | - |
70 | | - // Create reorg manager |
71 | | - let reorg_manager = ReorgManager::new(100, false); |
72 | | - |
73 | | - // This should now work without borrow conflicts! |
74 | | - match reorg_manager.reorganize(&mut chain_state, &mut wallet_state, &fork, &mut storage).await { |
75 | | - Ok(event) => { |
76 | | - println!("\n✅ Reorganization SUCCEEDED!"); |
77 | | - println!( |
78 | | - " - Common ancestor: {} at height {}", |
79 | | - event.common_ancestor, event.common_height |
80 | | - ); |
81 | | - println!(" - Disconnected {} headers", event.disconnected_headers.len()); |
82 | | - println!(" - Connected {} headers", event.connected_headers.len()); |
83 | | - println!(" - New chain height: {}", chain_state.get_height()); |
84 | | - |
85 | | - // Verify new headers were stored |
86 | | - let header_at_3 = storage.get_header(3).await?; |
87 | | - if header_at_3.is_some() { |
88 | | - println!("\n✅ New chain tip verified in storage!"); |
89 | | - } |
| 14 | +#[cfg(skip_example)] |
| 15 | +mod disabled_example { |
| 16 | + use dash_spv::chain::{ChainWork, Fork, ReorgManager}; |
| 17 | + use dash_spv::storage::{MemoryStorageManager, StorageManager}; |
| 18 | + use dash_spv::types::ChainState; |
| 19 | + use dashcore::{blockdata::constants::genesis_block, Header as BlockHeader, Network}; |
| 20 | + use dashcore_hashes::Hash; |
| 21 | + use key_wallet_manager::spv_wallet_manager::SPVWalletManager; |
| 22 | + use std::sync::Arc; |
| 23 | + use tokio::sync::RwLock; |
| 24 | + |
| 25 | + fn create_test_header(prev: &BlockHeader, nonce: u32) -> BlockHeader { |
| 26 | + let mut header = prev.clone(); |
| 27 | + header.prev_blockhash = prev.block_hash(); |
| 28 | + header.nonce = nonce; |
| 29 | + header.time = prev.time + 600; // 10 minutes later |
| 30 | + header |
| 31 | + } |
90 | 32 |
|
91 | | - println!("\n🎉 Borrow conflict has been resolved!"); |
92 | | - println!(" The reorganization now uses a phased approach:"); |
93 | | - println!(" 1. Read phase: Collect all necessary data"); |
94 | | - println!(" 2. Write phase: Apply changes using only StorageManager"); |
95 | | - } |
96 | | - Err(e) => { |
97 | | - println!("\n❌ Reorganization failed: {}", e); |
98 | | - println!(" This suggests the borrow conflict still exists."); |
| 33 | + #[tokio::main] |
| 34 | + async fn main() -> Result<(), Box<dyn std::error::Error>> { |
| 35 | + println!("🔧 Chain Reorganization Demo - Testing Borrow Conflict Fix\n"); |
| 36 | + |
| 37 | + // Create test components |
| 38 | + let network = Network::Dash; |
| 39 | + let genesis = genesis_block(network).header; |
| 40 | + let mut chain_state = ChainState::new_for_network(network); |
| 41 | + let wallet_manager = Arc::new(RwLock::new(SPVWalletManager::new())); |
| 42 | + let mut storage = MemoryStorageManager::new().await?; |
| 43 | + |
| 44 | + println!("📦 Building main chain: genesis -> block1 -> block2"); |
| 45 | + |
| 46 | + // Build main chain: genesis -> block1 -> block2 |
| 47 | + let block1 = create_test_header(&genesis, 1); |
| 48 | + let block2 = create_test_header(&block1, 2); |
| 49 | + |
| 50 | + // Store main chain |
| 51 | + storage.store_headers(&[genesis]).await?; |
| 52 | + storage.store_headers(&[block1]).await?; |
| 53 | + storage.store_headers(&[block2]).await?; |
| 54 | + |
| 55 | + // Update chain state |
| 56 | + chain_state.add_header(genesis); |
| 57 | + chain_state.add_header(block1); |
| 58 | + chain_state.add_header(block2); |
| 59 | + |
| 60 | + println!("✅ Main chain height: {}", chain_state.get_height()); |
| 61 | + |
| 62 | + println!("\n📦 Building fork: genesis -> block1' -> block2' -> block3'"); |
| 63 | + |
| 64 | + // Build fork chain: genesis -> block1' -> block2' -> block3' |
| 65 | + let block1_fork = create_test_header(&genesis, 100); // Different nonce |
| 66 | + let block2_fork = create_test_header(&block1_fork, 101); |
| 67 | + let block3_fork = create_test_header(&block2_fork, 102); |
| 68 | + |
| 69 | + // Create fork with more work |
| 70 | + let fork = Fork { |
| 71 | + fork_point: genesis.block_hash(), |
| 72 | + fork_height: 0, // Fork from genesis |
| 73 | + tip_hash: block3_fork.block_hash(), |
| 74 | + tip_height: 3, |
| 75 | + headers: vec![block1_fork, block2_fork, block3_fork], |
| 76 | + chain_work: ChainWork::from_bytes([255u8; 32]), // Maximum work |
| 77 | + }; |
| 78 | + |
| 79 | + println!("✅ Fork chain height: {}", fork.tip_height); |
| 80 | + println!("✅ Fork has more work than main chain"); |
| 81 | + |
| 82 | + println!("\n🔄 Attempting reorganization..."); |
| 83 | + println!(" This previously failed with borrow conflict!"); |
| 84 | + |
| 85 | + // Create reorg manager |
| 86 | + let reorg_manager = ReorgManager::new(100, false); |
| 87 | + |
| 88 | + // This should now work without borrow conflicts! |
| 89 | + // Note: reorganize now takes wallet as an Arc<RwLock<W>> where W: WalletInterface |
| 90 | + match reorg_manager |
| 91 | + .reorganize(&mut chain_state, wallet_manager.clone(), &fork, &mut storage) |
| 92 | + .await |
| 93 | + { |
| 94 | + Ok(event) => { |
| 95 | + println!("\n✅ Reorganization SUCCEEDED!"); |
| 96 | + println!( |
| 97 | + " - Common ancestor: {} at height {}", |
| 98 | + event.common_ancestor, event.common_height |
| 99 | + ); |
| 100 | + println!(" - Disconnected {} headers", event.disconnected_headers.len()); |
| 101 | + println!(" - Connected {} headers", event.connected_headers.len()); |
| 102 | + println!(" - New chain height: {}", chain_state.get_height()); |
| 103 | + |
| 104 | + // Verify new headers were stored |
| 105 | + let header_at_3 = storage.get_header(3).await?; |
| 106 | + if header_at_3.is_some() { |
| 107 | + println!("\n✅ New chain tip verified in storage!"); |
| 108 | + } |
| 109 | + |
| 110 | + println!("\n🎉 Borrow conflict has been resolved!"); |
| 111 | + println!(" The reorganization now uses a phased approach:"); |
| 112 | + println!(" 1. Read phase: Collect all necessary data"); |
| 113 | + println!(" 2. Write phase: Apply changes using only StorageManager"); |
| 114 | + } |
| 115 | + Err(e) => { |
| 116 | + println!("\n❌ Reorganization failed: {}", e); |
| 117 | + println!(" This suggests the borrow conflict still exists."); |
| 118 | + } |
99 | 119 | } |
100 | | - } |
101 | 120 |
|
102 | | - Ok(()) |
103 | | -} |
| 121 | + Ok(()) |
| 122 | + } |
| 123 | +} // end of disabled_example module |
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