snarkvm_console_network/
consensus_heights.rs

1// Copyright (c) 2019-2026 Provable Inc.
2// This file is part of the snarkVM library.
3
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at:
7
8// http://www.apache.org/licenses/LICENSE-2.0
9
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16use crate::{FromBytes, ToBytes, io_error};
17
18use enum_iterator::{Sequence, last};
19use std::io;
20
21/// The different consensus versions.
22/// If you need the version active for a specific height, see: `N::CONSENSUS_VERSION`.
23#[derive(Debug, Copy, Clone, PartialEq, Eq, Ord, PartialOrd, Sequence)]
24#[repr(u16)]
25pub enum ConsensusVersion {
26    /// V1: The initial genesis consensus version.
27    V1 = 1,
28    /// V2: Update to the block reward and execution cost algorithms.
29    V2 = 2,
30    /// V3: Update to the number of validators and finalize scope RNG seed.
31    V3 = 3,
32    /// V4: Update to the Varuna version.
33    V4 = 4,
34    /// V5: Update to the number of validators and enable batch proposal spend limits.
35    V5 = 5,
36    /// V6: Update to the number of validators.
37    V6 = 6,
38    /// V7: Update to program rules.
39    V7 = 7,
40    /// V8: Update to inclusion version, record commitment version, and introduces sender ciphertexts.
41    V8 = 8,
42    /// V9: Support for program upgradability.
43    V9 = 9,
44    /// V10: Lower fees, appropriate record output type checking.
45    V10 = 10,
46    /// V11: Expand array size limit to 512 and introduce ECDSA signature verification opcodes.
47    V11 = 11,
48    /// V12: Prevent connection to forked nodes, disable StringType, enable block timestamp.
49    V12 = 12,
50    /// V13: Introduces external structs.
51    V13 = 13,
52    /// V14: Increase the program size limit to 512 kB, the transaction size limit to 540 kB,
53    ///      the array size limit to 2048, and the `Future` argument bit size to 32 bits.
54    ///      Introduces `aleo::GENERATOR`, `aleo::GENERATOR_POWERS`, `snark.verify` opcodes,
55    ///      and dynamic dispatch, and identifier literal types.
56    V14 = 14,
57    /// V15: Introduces the record-existence check and `commit.*.raw` instruction variants.
58    ///      Increase the anchor time to 35.
59    ///      Unconditionally stores transaction rejection reasons.
60    V15 = 15,
61}
62
63impl ToBytes for ConsensusVersion {
64    fn write_le<W: io::Write>(&self, writer: W) -> io::Result<()> {
65        (*self as u16).write_le(writer)
66    }
67}
68
69impl FromBytes for ConsensusVersion {
70    fn read_le<R: io::Read>(reader: R) -> io::Result<Self> {
71        match u16::read_le(reader)? {
72            0 => Err(io_error("Zero is not a valid consensus version")),
73            1 => Ok(Self::V1),
74            2 => Ok(Self::V2),
75            3 => Ok(Self::V3),
76            4 => Ok(Self::V4),
77            5 => Ok(Self::V5),
78            6 => Ok(Self::V6),
79            7 => Ok(Self::V7),
80            8 => Ok(Self::V8),
81            9 => Ok(Self::V9),
82            10 => Ok(Self::V10),
83            11 => Ok(Self::V11),
84            12 => Ok(Self::V12),
85            13 => Ok(Self::V13),
86            14 => Ok(Self::V14),
87            15 => Ok(Self::V15),
88            _ => Err(io_error("Invalid consensus version")),
89        }
90    }
91}
92
93impl ConsensusVersion {
94    pub fn latest() -> Self {
95        last::<ConsensusVersion>().expect("At least one ConsensusVersion should be defined.")
96    }
97}
98
99impl std::fmt::Display for ConsensusVersion {
100    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
101        // Use Debug formatting for Display.
102        write!(f, "{self:?}")
103    }
104}
105
106/// The number of consensus versions.
107pub(crate) const NUM_CONSENSUS_VERSIONS: usize = enum_iterator::cardinality::<ConsensusVersion>();
108
109/// The consensus version height for `CanaryV0`.
110pub const CANARY_V0_CONSENSUS_VERSION_HEIGHTS: [(ConsensusVersion, u32); NUM_CONSENSUS_VERSIONS] = [
111    (ConsensusVersion::V1, 0),
112    (ConsensusVersion::V2, 2_900_000),
113    (ConsensusVersion::V3, 4_560_000),
114    (ConsensusVersion::V4, 5_730_000),
115    (ConsensusVersion::V5, 5_780_000),
116    (ConsensusVersion::V6, 6_240_000),
117    (ConsensusVersion::V7, 6_880_000),
118    (ConsensusVersion::V8, 7_565_000),
119    (ConsensusVersion::V9, 8_028_000),
120    (ConsensusVersion::V10, 8_600_000),
121    (ConsensusVersion::V11, 9_510_000),
122    (ConsensusVersion::V12, 10_030_000),
123    (ConsensusVersion::V13, 10_881_000),
124    (ConsensusVersion::V14, 11_960_000),
125    (ConsensusVersion::V15, u32::MAX),
126];
127
128/// The consensus version height for `MainnetV0`.
129pub const MAINNET_V0_CONSENSUS_VERSION_HEIGHTS: [(ConsensusVersion, u32); NUM_CONSENSUS_VERSIONS] = [
130    (ConsensusVersion::V1, 0),
131    (ConsensusVersion::V2, 2_800_000),
132    (ConsensusVersion::V3, 4_900_000),
133    (ConsensusVersion::V4, 6_135_000),
134    (ConsensusVersion::V5, 7_060_000),
135    (ConsensusVersion::V6, 7_560_000),
136    (ConsensusVersion::V7, 7_570_000),
137    (ConsensusVersion::V8, 9_430_000),
138    (ConsensusVersion::V9, 10_272_000),
139    (ConsensusVersion::V10, 11_205_000),
140    (ConsensusVersion::V11, 12_870_000),
141    (ConsensusVersion::V12, 13_815_000),
142    (ConsensusVersion::V13, 16_850_000),
143    (ConsensusVersion::V14, 17_700_000),
144    (ConsensusVersion::V15, 19_264_000),
145];
146
147/// The consensus version heights for `TestnetV0`.
148pub const TESTNET_V0_CONSENSUS_VERSION_HEIGHTS: [(ConsensusVersion, u32); NUM_CONSENSUS_VERSIONS] = [
149    (ConsensusVersion::V1, 0),
150    (ConsensusVersion::V2, 2_950_000),
151    (ConsensusVersion::V3, 4_800_000),
152    (ConsensusVersion::V4, 6_625_000),
153    (ConsensusVersion::V5, 6_765_000),
154    (ConsensusVersion::V6, 7_600_000),
155    (ConsensusVersion::V7, 8_365_000),
156    (ConsensusVersion::V8, 9_173_000),
157    (ConsensusVersion::V9, 9_800_000),
158    (ConsensusVersion::V10, 10_525_000),
159    (ConsensusVersion::V11, 11_952_000),
160    (ConsensusVersion::V12, 12_669_000),
161    (ConsensusVersion::V13, 14_906_000),
162    (ConsensusVersion::V14, 15_370_000),
163    (ConsensusVersion::V15, 16_886_000),
164];
165
166/// The consensus version heights when the `test_consensus_heights` feature is enabled.
167pub const TEST_CONSENSUS_VERSION_HEIGHTS: [(ConsensusVersion, u32); NUM_CONSENSUS_VERSIONS] = [
168    (ConsensusVersion::V1, 0),
169    (ConsensusVersion::V2, 5),
170    (ConsensusVersion::V3, 6),
171    (ConsensusVersion::V4, 7),
172    (ConsensusVersion::V5, 8),
173    (ConsensusVersion::V6, 9),
174    (ConsensusVersion::V7, 10),
175    (ConsensusVersion::V8, 11),
176    (ConsensusVersion::V9, 12),
177    (ConsensusVersion::V10, 13),
178    (ConsensusVersion::V11, 14),
179    (ConsensusVersion::V12, 15),
180    (ConsensusVersion::V13, 16),
181    (ConsensusVersion::V14, 17),
182    (ConsensusVersion::V15, 18),
183];
184
185#[cfg(any(test, feature = "test", feature = "test_consensus_heights"))]
186pub fn load_test_consensus_heights() -> [(ConsensusVersion, u32); NUM_CONSENSUS_VERSIONS] {
187    // Attempt to read the test consensus heights from the environment variable.
188    load_test_consensus_heights_inner(std::env::var("CONSENSUS_VERSION_HEIGHTS").ok())
189}
190
191#[cfg(any(test, feature = "test", feature = "test_consensus_heights", feature = "wasm"))]
192pub(crate) fn load_test_consensus_heights_inner(
193    consensus_version_heights: Option<String>,
194) -> [(ConsensusVersion, u32); NUM_CONSENSUS_VERSIONS] {
195    // Define a closure to verify the consensus heights.
196    let verify_consensus_heights = |heights: &[(ConsensusVersion, u32); NUM_CONSENSUS_VERSIONS]| {
197        // Assert that the genesis height is 0.
198        assert_eq!(heights[0].1, 0, "Genesis height must be 0.");
199        // Assert that the consensus heights are strictly increasing.
200        for window in heights.windows(2) {
201            if window[0] >= window[1] {
202                panic!("Heights must be strictly increasing, but found: {window:?}");
203            }
204        }
205    };
206
207    // Define consensus version heights container used for testing.
208    let mut test_consensus_heights = TEST_CONSENSUS_VERSION_HEIGHTS;
209
210    // If version heights have been specified, verify and return them.
211    match consensus_version_heights {
212        Some(height_string) => {
213            let parsing_error = format!("Expected exactly {NUM_CONSENSUS_VERSIONS} ConsensusVersion heights.");
214            // Parse the heights from the environment variable.
215            let parsed_test_consensus_heights: [u32; NUM_CONSENSUS_VERSIONS] = height_string
216                .replace(" ", "")
217                .split(",")
218                .map(|height| height.parse::<u32>().expect("Heights should be valid u32 values."))
219                .collect::<Vec<u32>>()
220                .try_into()
221                .expect(&parsing_error);
222            // Set the parsed heights in the test consensus heights.
223            for (i, height) in parsed_test_consensus_heights.into_iter().enumerate() {
224                test_consensus_heights[i] = (TEST_CONSENSUS_VERSION_HEIGHTS[i].0, height);
225            }
226            // Verify and return the parsed test consensus heights.
227            verify_consensus_heights(&test_consensus_heights);
228            test_consensus_heights
229        }
230        None => {
231            // Verify and return the default test consensus heights.
232            verify_consensus_heights(&test_consensus_heights);
233            test_consensus_heights
234        }
235    }
236}
237
238/// Returns the consensus configuration value for the specified height.
239///
240/// Arguments:
241/// - `$network`: The network to use the constant of.
242/// - `$constant`: The constant to search a value of.
243/// - `$seek_height`: The block height to search the value for.
244#[macro_export]
245macro_rules! consensus_config_value {
246    ($network:ident, $constant:ident, $seek_height:expr) => {
247        // Search the consensus version enacted at the specified height.
248        $network::CONSENSUS_VERSION($seek_height).map_or(None, |seek_version| {
249            // Search the consensus value for the specified version.
250            // NOTE: calling `consensus_config_value_by_version!` here would require callers to import both macros.
251            match $network::$constant.binary_search_by(|(version, _)| version.cmp(&seek_version)) {
252                // If a value was found for this consensus version, return it.
253                Ok(index) => Some($network::$constant[index].1),
254                // If the specified version was not found exactly, determine whether to return an appropriate value anyway.
255                Err(index) => {
256                    // This constant is not yet in effect at this consensus version.
257                    if index == 0 {
258                        None
259                    // Return the appropriate value belonging to the consensus version *lower* than the sought version.
260                    } else {
261                        Some($network::$constant[index - 1].1)
262                    }
263                }
264            }
265        })
266    };
267}
268
269/// Returns the consensus configuration value for the specified ConsensusVersion.
270///
271/// Arguments:
272/// - `$network`: The network to use the constant of.
273/// - `$constant`: The constant to search a value of.
274/// - `$seek_version`: The ConsensusVersion to search the value for.
275#[macro_export]
276macro_rules! consensus_config_value_by_version {
277    ($network:ident, $constant:ident, $seek_version:expr) => {
278        // Search the consensus value for the specified version.
279        match $network::$constant.binary_search_by(|(version, _)| version.cmp(&$seek_version)) {
280            // If a value was found for this consensus version, return it.
281            Ok(index) => Some($network::$constant[index].1),
282            // If the specified version was not found exactly, determine whether to return an appropriate value anyway.
283            Err(index) => {
284                // This constant is not yet in effect at this consensus version.
285                if index == 0 {
286                    None
287                // Return the appropriate value belonging to the consensus version *lower* than the sought version.
288                } else {
289                    Some($network::$constant[index - 1].1)
290                }
291            }
292        }
293    };
294}
295
296#[cfg(test)]
297mod tests {
298    use super::*;
299    use crate::{CanaryV0, MainnetV0, Network, TestnetV0};
300
301    /// Ensure that the consensus constants are defined and correct at genesis.
302    /// It is possible this invariant no longer holds in the future, e.g. due to pruning or novel types of constants.
303    fn consensus_constants_at_genesis<N: Network>() {
304        let height = N::_CONSENSUS_VERSION_HEIGHTS.first().unwrap().1;
305        assert_eq!(height, 0);
306        let consensus_version = N::_CONSENSUS_VERSION_HEIGHTS.first().unwrap().0;
307        assert_eq!(consensus_version, ConsensusVersion::V1);
308        assert_eq!(consensus_version as usize, 1);
309    }
310
311    /// Ensure that the consensus *versions* are unique, incrementing and start with 1.
312    fn consensus_versions<N: Network>() {
313        let mut previous_version = N::_CONSENSUS_VERSION_HEIGHTS.first().unwrap().0;
314        // Ensure that the consensus versions start with 1.
315        assert_eq!(previous_version as usize, 1);
316        // Ensure that the consensus versions are unique and incrementing by 1.
317        for (version, _) in N::_CONSENSUS_VERSION_HEIGHTS.iter().skip(1) {
318            assert_eq!(*version as usize, previous_version as usize + 1);
319            previous_version = *version;
320        }
321        // Ensure that the consensus versions are unique and incrementing.
322        let mut previous_version = N::MAX_CERTIFICATES.first().unwrap().0;
323        for (version, _) in N::MAX_CERTIFICATES.iter().skip(1) {
324            assert!(*version > previous_version);
325            previous_version = *version;
326        }
327        let mut previous_version = N::TRANSACTION_SPEND_LIMIT.first().unwrap().0;
328        for (version, _) in N::TRANSACTION_SPEND_LIMIT.iter().skip(1) {
329            assert!(*version > previous_version);
330            previous_version = *version;
331        }
332        let mut previous_version = N::MAX_ARRAY_ELEMENTS.first().unwrap().0;
333        for (version, _) in N::MAX_ARRAY_ELEMENTS.iter().skip(1) {
334            assert!(*version > previous_version);
335            previous_version = *version;
336        }
337        let mut previous_version = N::MAX_PROGRAM_SIZE.first().unwrap().0;
338        for (version, _) in N::MAX_PROGRAM_SIZE.iter().skip(1) {
339            assert!(*version > previous_version);
340            previous_version = *version;
341        }
342        let mut previous_version = N::MAX_TRANSACTION_SIZE.first().unwrap().0;
343        for (version, _) in N::MAX_TRANSACTION_SIZE.iter().skip(1) {
344            assert!(*version > previous_version);
345            previous_version = *version;
346        }
347        let mut previous_version = N::MAX_WRITES.first().unwrap().0;
348        for (version, _) in N::MAX_WRITES.iter().skip(1) {
349            assert!(*version > previous_version);
350            previous_version = *version;
351        }
352        let mut previous_version = N::ANCHOR_TIMES.first().unwrap().0;
353        for (version, _) in N::ANCHOR_TIMES.iter().skip(1) {
354            assert!(*version > previous_version);
355            previous_version = *version;
356        }
357    }
358
359    /// Ensure that consensus *heights* are unique and incrementing.
360    fn consensus_constants_increasing_heights<N: Network>() {
361        let mut previous_height = N::CONSENSUS_VERSION_HEIGHTS().first().unwrap().1;
362        for (version, height) in N::CONSENSUS_VERSION_HEIGHTS().iter().skip(1) {
363            assert!(*height > previous_height);
364            previous_height = *height;
365            // Ensure that N::CONSENSUS_VERSION returns the expected value.
366            assert_eq!(N::CONSENSUS_VERSION(*height).unwrap(), *version);
367            // Ensure that N::CONSENSUS_HEIGHT returns the expected value.
368            assert_eq!(N::CONSENSUS_HEIGHT(*version).unwrap(), *height);
369        }
370    }
371
372    /// Ensure that version of all consensus-relevant constants are present in the consensus version heights.
373    fn consensus_constants_valid_heights<N: Network>() {
374        for (version, value) in N::MAX_CERTIFICATES.iter() {
375            // Ensure that the height at which an update occurs are present in CONSENSUS_VERSION_HEIGHTS.
376            let height = N::CONSENSUS_VERSION_HEIGHTS().iter().find(|(c_version, _)| *c_version == *version).unwrap().1;
377            // Double-check that consensus_config_value returns the correct value.
378            assert_eq!(consensus_config_value!(N, MAX_CERTIFICATES, height).unwrap(), *value);
379        }
380        for (version, value) in N::TRANSACTION_SPEND_LIMIT.iter() {
381            // Ensure that the height at which an update occurs are present in CONSENSUS_VERSION_HEIGHTS.
382            let height = N::CONSENSUS_VERSION_HEIGHTS().iter().find(|(c_version, _)| *c_version == *version).unwrap().1;
383            // Double-check that consensus_config_value returns the correct value.
384            assert_eq!(consensus_config_value!(N, TRANSACTION_SPEND_LIMIT, height).unwrap(), *value);
385        }
386        for (version, value) in N::MAX_ARRAY_ELEMENTS.iter() {
387            // Ensure that the height at which an update occurs are present in CONSENSUS_VERSION_HEIGHTS.
388            let height = N::CONSENSUS_VERSION_HEIGHTS().iter().find(|(c_version, _)| *c_version == *version).unwrap().1;
389            // Double-check that consensus_config_value returns the correct value.
390            assert_eq!(consensus_config_value!(N, MAX_ARRAY_ELEMENTS, height).unwrap(), *value);
391        }
392        for (version, value) in N::MAX_PROGRAM_SIZE.iter() {
393            // Ensure that the height at which an update occurs are present in CONSENSUS_VERSION_HEIGHTS.
394            let height = N::CONSENSUS_VERSION_HEIGHTS().iter().find(|(c_version, _)| *c_version == *version).unwrap().1;
395            // Double-check that consensus_config_value returns the correct value.
396            assert_eq!(consensus_config_value!(N, MAX_PROGRAM_SIZE, height).unwrap(), *value);
397        }
398        for (version, value) in N::MAX_TRANSACTION_SIZE.iter() {
399            // Ensure that the height at which an update occurs are present in CONSENSUS_VERSION_HEIGHTS.
400            let height = N::CONSENSUS_VERSION_HEIGHTS().iter().find(|(c_version, _)| *c_version == *version).unwrap().1;
401            // Double-check that consensus_config_value returns the correct value.
402            assert_eq!(consensus_config_value!(N, MAX_TRANSACTION_SIZE, height).unwrap(), *value);
403        }
404        for (version, value) in N::MAX_WRITES.iter() {
405            // Ensure that the height at which an update occurs are present in CONSENSUS_VERSION_HEIGHTS.
406            let height = N::CONSENSUS_VERSION_HEIGHTS().iter().find(|(c_version, _)| *c_version == *version).unwrap().1;
407            // Double-check that consensus_config_value returns the correct value.
408            assert_eq!(consensus_config_value!(N, MAX_WRITES, height).unwrap(), *value);
409        }
410        for (version, value) in N::ANCHOR_TIMES.iter() {
411            let height = N::CONSENSUS_VERSION_HEIGHTS().iter().find(|(c_version, _)| c_version == version).unwrap().1;
412            assert_eq!(consensus_config_value!(N, ANCHOR_TIMES, height).unwrap(), *value);
413        }
414    }
415
416    /// Ensure that consensus_config_value returns a valid value for all consensus versions.
417    fn consensus_config_returns_some<N: Network>() {
418        for (_, height) in N::CONSENSUS_VERSION_HEIGHTS().iter() {
419            assert!(consensus_config_value!(N, MAX_CERTIFICATES, *height).is_some());
420            assert!(consensus_config_value!(N, TRANSACTION_SPEND_LIMIT, *height).is_some());
421            assert!(consensus_config_value!(N, MAX_ARRAY_ELEMENTS, *height).is_some());
422            assert!(consensus_config_value!(N, MAX_PROGRAM_SIZE, *height).is_some());
423            assert!(consensus_config_value!(N, MAX_TRANSACTION_SIZE, *height).is_some());
424            assert!(consensus_config_value!(N, MAX_WRITES, *height).is_some());
425            assert!(consensus_config_value!(N, ANCHOR_TIMES, *height).is_some());
426        }
427    }
428
429    /// Ensure that `MAX_CERTIFICATES` increases and is correctly defined.
430    /// See the constant declaration for an explanation why.
431    fn max_certificates_increasing<N: Network>() {
432        let mut previous_value = N::MAX_CERTIFICATES.first().unwrap().1;
433        for (_, value) in N::MAX_CERTIFICATES.iter().skip(1) {
434            assert!(*value >= previous_value);
435            previous_value = *value;
436        }
437    }
438
439    /// Ensure that `MAX_ARRAY_ELEMENTS` increases and is correctly defined.
440    /// See the constant declaration for an explanation why.
441    fn max_array_elements_increasing<N: Network>() {
442        let mut previous_value = N::MAX_ARRAY_ELEMENTS.first().unwrap().1;
443        for (_, value) in N::MAX_ARRAY_ELEMENTS.iter().skip(1) {
444            assert!(*value >= previous_value);
445            previous_value = *value;
446        }
447    }
448
449    /// Ensure that `MAX_TRANSACTION_SIZE` is at least 28KB greater than `MAX_PROGRAM_SIZE` for all consensus versions.
450    /// This overhead accounts for proofs, signatures, and other transaction metadata.
451    fn transaction_size_exceeds_program_size<N: Network>() {
452        const MIN_OVERHEAD: usize = 28_000; // 28 kB minimum overhead
453
454        for (_, height) in N::CONSENSUS_VERSION_HEIGHTS().iter() {
455            let max_program_size = consensus_config_value!(N, MAX_PROGRAM_SIZE, *height).unwrap();
456            let max_transaction_size = consensus_config_value!(N, MAX_TRANSACTION_SIZE, *height).unwrap();
457
458            assert!(
459                max_transaction_size >= max_program_size + MIN_OVERHEAD,
460                "At height {height}: MAX_TRANSACTION_SIZE ({max_transaction_size}) must be at least {MIN_OVERHEAD} bytes greater than MAX_PROGRAM_SIZE ({max_program_size})"
461            );
462        }
463    }
464
465    /// Ensure that the number of constant definitions is the same across networks.
466    fn constants_equal_length<N1: Network, N2: Network, N3: Network>() {
467        // If we can construct an array, that means the underlying types must be the same.
468        let _ = [N1::CONSENSUS_VERSION_HEIGHTS, N2::CONSENSUS_VERSION_HEIGHTS, N3::CONSENSUS_VERSION_HEIGHTS];
469        let _ = [N1::MAX_CERTIFICATES, N2::MAX_CERTIFICATES, N3::MAX_CERTIFICATES];
470        let _ = [N1::TRANSACTION_SPEND_LIMIT, N2::TRANSACTION_SPEND_LIMIT, N3::TRANSACTION_SPEND_LIMIT];
471        let _ = [N1::MAX_ARRAY_ELEMENTS, N2::MAX_ARRAY_ELEMENTS, N3::MAX_ARRAY_ELEMENTS];
472        let _ = [N1::MAX_PROGRAM_SIZE, N2::MAX_PROGRAM_SIZE, N3::MAX_PROGRAM_SIZE];
473        let _ = [N1::MAX_TRANSACTION_SIZE, N2::MAX_TRANSACTION_SIZE, N3::MAX_TRANSACTION_SIZE];
474        let _ = [N1::MAX_WRITES, N2::MAX_WRITES, N3::MAX_WRITES];
475        let _ = [N1::ANCHOR_TIMES, N2::ANCHOR_TIMES, N3::ANCHOR_TIMES];
476    }
477
478    /// Ensure that `LATEST_MAX_*` functions return valid values without panicking.
479    /// These functions use `.expect()` internally, so this test verifies the arrays are non-empty.
480    fn latest_max_functions_are_safe<N: Network>() {
481        // Verify LATEST_MAX_CERTIFICATES returns a positive value.
482        assert!(N::LATEST_MAX_CERTIFICATES() > 0, "LATEST_MAX_CERTIFICATES must be positive");
483        // Verify LATEST_MAX_PROGRAM_SIZE returns a positive value.
484        assert!(N::LATEST_MAX_PROGRAM_SIZE() > 0, "LATEST_MAX_PROGRAM_SIZE must be positive");
485        // Verify LATEST_MAX_TRANSACTION_SIZE returns a positive value.
486        assert!(N::LATEST_MAX_TRANSACTION_SIZE() > 0, "LATEST_MAX_TRANSACTION_SIZE must be positive");
487        // Verify LATEST_MAX_WRITES returns a positive value.
488        assert!(N::LATEST_MAX_WRITES() > 0, "LATEST_MAX_WRITES must be positive");
489    }
490
491    #[test]
492    #[allow(clippy::assertions_on_constants)]
493    fn test_consensus_constants() {
494        consensus_constants_at_genesis::<MainnetV0>();
495        consensus_constants_at_genesis::<TestnetV0>();
496        consensus_constants_at_genesis::<CanaryV0>();
497
498        consensus_versions::<MainnetV0>();
499        consensus_versions::<TestnetV0>();
500        consensus_versions::<CanaryV0>();
501
502        consensus_constants_increasing_heights::<MainnetV0>();
503        consensus_constants_increasing_heights::<TestnetV0>();
504        consensus_constants_increasing_heights::<CanaryV0>();
505
506        consensus_constants_valid_heights::<MainnetV0>();
507        consensus_constants_valid_heights::<TestnetV0>();
508        consensus_constants_valid_heights::<CanaryV0>();
509
510        consensus_config_returns_some::<MainnetV0>();
511        consensus_config_returns_some::<TestnetV0>();
512        consensus_config_returns_some::<CanaryV0>();
513
514        max_certificates_increasing::<MainnetV0>();
515        max_certificates_increasing::<TestnetV0>();
516        max_certificates_increasing::<CanaryV0>();
517
518        max_array_elements_increasing::<MainnetV0>();
519        max_array_elements_increasing::<TestnetV0>();
520        max_array_elements_increasing::<CanaryV0>();
521
522        transaction_size_exceeds_program_size::<MainnetV0>();
523        transaction_size_exceeds_program_size::<TestnetV0>();
524        transaction_size_exceeds_program_size::<CanaryV0>();
525
526        latest_max_functions_are_safe::<MainnetV0>();
527        latest_max_functions_are_safe::<TestnetV0>();
528        latest_max_functions_are_safe::<CanaryV0>();
529
530        constants_equal_length::<MainnetV0, TestnetV0, CanaryV0>();
531    }
532
533    /// Ensure (de-)serialization works correctly.
534    #[test]
535    fn test_to_bytes() {
536        let version = ConsensusVersion::V8;
537        let bytes = version.to_bytes_le().unwrap();
538        let result = ConsensusVersion::from_bytes_le(&bytes).unwrap();
539        assert_eq!(result, version);
540
541        let version = ConsensusVersion::latest();
542        let bytes = version.to_bytes_le().unwrap();
543        let result = ConsensusVersion::from_bytes_le(&bytes).unwrap();
544        assert_eq!(result, version);
545
546        let invalid_bytes = u16::MAX.to_bytes_le().unwrap();
547        let result = ConsensusVersion::from_bytes_le(&invalid_bytes);
548        assert!(result.is_err());
549    }
550
551    #[test]
552    fn test_reward_anchor_time() {
553        assert_eq!(MainnetV0::REWARD_ANCHOR_TIME, MainnetV0::ANCHOR_TIMES.first().unwrap().1);
554        assert_eq!(TestnetV0::REWARD_ANCHOR_TIME, TestnetV0::ANCHOR_TIMES.first().unwrap().1);
555        assert_eq!(CanaryV0::REWARD_ANCHOR_TIME, CanaryV0::ANCHOR_TIMES.first().unwrap().1);
556    }
557}
snarkvm_console_network/consensus_heights.rs

snarkvm_console_network/
consensus_heights.rs
