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| 1 | +use bdk_chain::{keychain_txout::KeychainTxOutIndex, local_chain::LocalChain, IndexedTxGraph}; |
| 2 | +use bdk_core::{BlockId, CheckPoint}; |
| 3 | +use bdk_core::{ConfirmationBlockTime, TxUpdate}; |
| 4 | +use bdk_testenv::hash; |
| 5 | +use bitcoin::{ |
| 6 | + absolute, constants, hashes::Hash, key::Secp256k1, transaction, Amount, BlockHash, Network, |
| 7 | + OutPoint, ScriptBuf, Transaction, TxIn, TxOut, |
| 8 | +}; |
| 9 | +use criterion::{black_box, criterion_group, criterion_main, Criterion}; |
| 10 | +use miniscript::{Descriptor, DescriptorPublicKey}; |
| 11 | +use std::sync::Arc; |
| 12 | + |
| 13 | +type Keychain = (); |
| 14 | +type KeychainTxGraph = IndexedTxGraph<ConfirmationBlockTime, KeychainTxOutIndex<Keychain>>; |
| 15 | + |
| 16 | +/// New tx guaranteed to have at least one output |
| 17 | +fn new_tx(lt: u32) -> Transaction { |
| 18 | + Transaction { |
| 19 | + version: transaction::Version::TWO, |
| 20 | + lock_time: absolute::LockTime::from_consensus(lt), |
| 21 | + input: vec![], |
| 22 | + output: vec![TxOut::NULL], |
| 23 | + } |
| 24 | +} |
| 25 | + |
| 26 | +fn spk_at_index(txout_index: &KeychainTxOutIndex<Keychain>, index: u32) -> ScriptBuf { |
| 27 | + txout_index |
| 28 | + .get_descriptor(()) |
| 29 | + .unwrap() |
| 30 | + .at_derivation_index(index) |
| 31 | + .unwrap() |
| 32 | + .script_pubkey() |
| 33 | +} |
| 34 | + |
| 35 | +fn genesis_block_id() -> BlockId { |
| 36 | + BlockId { |
| 37 | + height: 0, |
| 38 | + hash: constants::genesis_block(Network::Regtest).block_hash(), |
| 39 | + } |
| 40 | +} |
| 41 | + |
| 42 | +fn tip_block_id() -> BlockId { |
| 43 | + BlockId { |
| 44 | + height: 100, |
| 45 | + hash: BlockHash::all_zeros(), |
| 46 | + } |
| 47 | +} |
| 48 | + |
| 49 | +/// Add ancestor tx confirmed at `block_id` with `locktime` (used for uniqueness). |
| 50 | +/// The transaction always pays 1 BTC to SPK 0. |
| 51 | +fn add_ancestor_tx(graph: &mut KeychainTxGraph, block_id: BlockId, locktime: u32) -> OutPoint { |
| 52 | + let spk_0 = spk_at_index(&graph.index, 0); |
| 53 | + let tx = Transaction { |
| 54 | + input: vec![TxIn { |
| 55 | + previous_output: OutPoint::new(hash!("bogus"), locktime), |
| 56 | + ..Default::default() |
| 57 | + }], |
| 58 | + output: vec![TxOut { |
| 59 | + value: Amount::ONE_BTC, |
| 60 | + script_pubkey: spk_0, |
| 61 | + }], |
| 62 | + ..new_tx(locktime) |
| 63 | + }; |
| 64 | + let txid = tx.compute_txid(); |
| 65 | + let _ = graph.insert_tx(tx); |
| 66 | + let _ = graph.insert_anchor( |
| 67 | + txid, |
| 68 | + ConfirmationBlockTime { |
| 69 | + block_id, |
| 70 | + confirmation_time: 100, |
| 71 | + }, |
| 72 | + ); |
| 73 | + OutPoint { txid, vout: 0 } |
| 74 | +} |
| 75 | + |
| 76 | +fn setup<F: Fn(&mut KeychainTxGraph, &LocalChain)>(f: F) -> (KeychainTxGraph, LocalChain) { |
| 77 | + const DESC: &str = "tr([ab28dc00/86h/1h/0h]tpubDCdDtzAMZZrkwKBxwNcGCqe4FRydeD9rfMisoi7qLdraG79YohRfPW4YgdKQhpgASdvh612xXNY5xYzoqnyCgPbkpK4LSVcH5Xv4cK7johH/0/*)"; |
| 78 | + let cp = CheckPoint::from_block_ids([genesis_block_id(), tip_block_id()]) |
| 79 | + .expect("blocks must be chronological"); |
| 80 | + let chain = LocalChain::from_tip(cp).unwrap(); |
| 81 | + |
| 82 | + let (desc, _) = |
| 83 | + <Descriptor<DescriptorPublicKey>>::parse_descriptor(&Secp256k1::new(), DESC).unwrap(); |
| 84 | + let mut index = KeychainTxOutIndex::new(10); |
| 85 | + index.insert_descriptor((), desc).unwrap(); |
| 86 | + let mut tx_graph = KeychainTxGraph::new(index); |
| 87 | + |
| 88 | + f(&mut tx_graph, &chain); |
| 89 | + (tx_graph, chain) |
| 90 | +} |
| 91 | + |
| 92 | +fn run_list_canonical_txs(tx_graph: &KeychainTxGraph, chain: &LocalChain, exp_txs: usize) { |
| 93 | + let txs = tx_graph |
| 94 | + .graph() |
| 95 | + .list_canonical_txs(chain, chain.tip().block_id()); |
| 96 | + assert_eq!(txs.count(), exp_txs); |
| 97 | +} |
| 98 | + |
| 99 | +fn run_filter_chain_txouts(tx_graph: &KeychainTxGraph, chain: &LocalChain, exp_txos: usize) { |
| 100 | + let utxos = tx_graph.graph().filter_chain_txouts( |
| 101 | + chain, |
| 102 | + chain.tip().block_id(), |
| 103 | + tx_graph.index.outpoints().clone(), |
| 104 | + ); |
| 105 | + assert_eq!(utxos.count(), exp_txos); |
| 106 | +} |
| 107 | + |
| 108 | +fn run_filter_chain_unspents(tx_graph: &KeychainTxGraph, chain: &LocalChain, exp_utxos: usize) { |
| 109 | + let utxos = tx_graph.graph().filter_chain_unspents( |
| 110 | + chain, |
| 111 | + chain.tip().block_id(), |
| 112 | + tx_graph.index.outpoints().clone(), |
| 113 | + ); |
| 114 | + assert_eq!(utxos.count(), exp_utxos); |
| 115 | +} |
| 116 | + |
| 117 | +pub fn many_conflicting_unconfirmed(c: &mut Criterion) { |
| 118 | + const CONFLICTING_TX_COUNT: u32 = 2100; |
| 119 | + let (tx_graph, chain) = black_box(setup(|tx_graph, _chain| { |
| 120 | + let previous_output = add_ancestor_tx(tx_graph, tip_block_id(), 0); |
| 121 | + // Create conflicting txs that spend from `previous_output`. |
| 122 | + let spk_1 = spk_at_index(&tx_graph.index, 1); |
| 123 | + for i in 1..=CONFLICTING_TX_COUNT { |
| 124 | + let tx = Transaction { |
| 125 | + input: vec![TxIn { |
| 126 | + previous_output, |
| 127 | + ..Default::default() |
| 128 | + }], |
| 129 | + output: vec![TxOut { |
| 130 | + value: Amount::ONE_BTC - Amount::from_sat(i as u64 * 10), |
| 131 | + script_pubkey: spk_1.clone(), |
| 132 | + }], |
| 133 | + ..new_tx(i) |
| 134 | + }; |
| 135 | + let update = TxUpdate { |
| 136 | + txs: vec![Arc::new(tx)], |
| 137 | + ..Default::default() |
| 138 | + }; |
| 139 | + let _ = tx_graph.apply_update_at(update, Some(i as u64)); |
| 140 | + } |
| 141 | + })); |
| 142 | + c.bench_function("many_conflicting_unconfirmed::list_canonical_txs", { |
| 143 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 144 | + move |b| b.iter(|| run_list_canonical_txs(&tx_graph, &chain, 2)) |
| 145 | + }); |
| 146 | + c.bench_function("many_conflicting_unconfirmed::filter_chain_txouts", { |
| 147 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 148 | + move |b| b.iter(|| run_filter_chain_txouts(&tx_graph, &chain, 2)) |
| 149 | + }); |
| 150 | + c.bench_function("many_conflicting_unconfirmed::filter_chain_unspents", { |
| 151 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 152 | + move |b| b.iter(|| run_filter_chain_unspents(&tx_graph, &chain, 1)) |
| 153 | + }); |
| 154 | +} |
| 155 | + |
| 156 | +pub fn many_chained_unconfirmed(c: &mut Criterion) { |
| 157 | + const TX_CHAIN_COUNT: u32 = 2100; |
| 158 | + let (tx_graph, chain) = black_box(setup(|tx_graph, _chain| { |
| 159 | + let mut previous_output = add_ancestor_tx(tx_graph, tip_block_id(), 0); |
| 160 | + // Create a chain of unconfirmed txs where each subsequent tx spends the output of the |
| 161 | + // previous one. |
| 162 | + for i in 0..TX_CHAIN_COUNT { |
| 163 | + // Create tx. |
| 164 | + let tx = Transaction { |
| 165 | + input: vec![TxIn { |
| 166 | + previous_output, |
| 167 | + ..Default::default() |
| 168 | + }], |
| 169 | + ..new_tx(i) |
| 170 | + }; |
| 171 | + let txid = tx.compute_txid(); |
| 172 | + let update = TxUpdate { |
| 173 | + txs: vec![Arc::new(tx)], |
| 174 | + ..Default::default() |
| 175 | + }; |
| 176 | + let _ = tx_graph.apply_update_at(update, Some(i as u64)); |
| 177 | + // Store the next prevout. |
| 178 | + previous_output = OutPoint::new(txid, 0); |
| 179 | + } |
| 180 | + })); |
| 181 | + c.bench_function("many_chained_unconfirmed::list_canonical_txs", { |
| 182 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 183 | + move |b| b.iter(|| run_list_canonical_txs(&tx_graph, &chain, 2101)) |
| 184 | + }); |
| 185 | + c.bench_function("many_chained_unconfirmed::filter_chain_txouts", { |
| 186 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 187 | + move |b| b.iter(|| run_filter_chain_txouts(&tx_graph, &chain, 1)) |
| 188 | + }); |
| 189 | + c.bench_function("many_chained_unconfirmed::filter_chain_unspents", { |
| 190 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 191 | + move |b| b.iter(|| run_filter_chain_unspents(&tx_graph, &chain, 0)) |
| 192 | + }); |
| 193 | +} |
| 194 | + |
| 195 | +pub fn nested_conflicts(c: &mut Criterion) { |
| 196 | + const CONFLICTS_PER_OUTPUT: usize = 3; |
| 197 | + const GRAPH_DEPTH: usize = 7; |
| 198 | + let (tx_graph, chain) = black_box(setup(|tx_graph, _chain| { |
| 199 | + let mut prev_ops = core::iter::once(add_ancestor_tx(tx_graph, tip_block_id(), 0)) |
| 200 | + .collect::<Vec<OutPoint>>(); |
| 201 | + for depth in 1..GRAPH_DEPTH { |
| 202 | + for previous_output in core::mem::take(&mut prev_ops) { |
| 203 | + for conflict_i in 1..=CONFLICTS_PER_OUTPUT { |
| 204 | + let mut last_seen = depth * conflict_i; |
| 205 | + if last_seen % 2 == 0 { |
| 206 | + last_seen /= 2; |
| 207 | + } |
| 208 | + let ((_, script_pubkey), _) = tx_graph.index.next_unused_spk(()).unwrap(); |
| 209 | + let value = |
| 210 | + Amount::ONE_BTC - Amount::from_sat(depth as u64 * 200 - conflict_i as u64); |
| 211 | + let tx = Transaction { |
| 212 | + input: vec![TxIn { |
| 213 | + previous_output, |
| 214 | + ..Default::default() |
| 215 | + }], |
| 216 | + output: vec![TxOut { |
| 217 | + value, |
| 218 | + script_pubkey, |
| 219 | + }], |
| 220 | + ..new_tx(conflict_i as _) |
| 221 | + }; |
| 222 | + let txid = tx.compute_txid(); |
| 223 | + prev_ops.push(OutPoint::new(txid, 0)); |
| 224 | + let _ = tx_graph.insert_seen_at(txid, last_seen as _); |
| 225 | + let _ = tx_graph.insert_tx(tx); |
| 226 | + } |
| 227 | + } |
| 228 | + } |
| 229 | + })); |
| 230 | + c.bench_function("nested_conflicts_unconfirmed::list_canonical_txs", { |
| 231 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 232 | + move |b| b.iter(|| run_list_canonical_txs(&tx_graph, &chain, GRAPH_DEPTH)) |
| 233 | + }); |
| 234 | + c.bench_function("nested_conflicts_unconfirmed::filter_chain_txouts", { |
| 235 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 236 | + move |b| b.iter(|| run_filter_chain_txouts(&tx_graph, &chain, GRAPH_DEPTH)) |
| 237 | + }); |
| 238 | + c.bench_function("nested_conflicts_unconfirmed::filter_chain_unspents", { |
| 239 | + let (tx_graph, chain) = (tx_graph.clone(), chain.clone()); |
| 240 | + move |b| b.iter(|| run_filter_chain_unspents(&tx_graph, &chain, 1)) |
| 241 | + }); |
| 242 | +} |
| 243 | + |
| 244 | +criterion_group!( |
| 245 | + benches, |
| 246 | + many_conflicting_unconfirmed, |
| 247 | + many_chained_unconfirmed, |
| 248 | + nested_conflicts, |
| 249 | +); |
| 250 | +criterion_main!(benches); |
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