88 lines
2.6 KiB
Rust
88 lines
2.6 KiB
Rust
use std::ffi::OsStr;
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use zebra_chain::{block, parameters::Network};
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use super::*;
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#[test]
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fn test_path_mainnet() {
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test_path(Network::Mainnet);
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}
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#[test]
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fn test_path_testnet() {
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test_path(Network::Testnet);
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}
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/// Check the sled path for `network`.
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fn test_path(network: Network) {
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zebra_test::init();
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let config = Config::default();
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// we can't do many useful tests on this value, because it depends on the
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// local environment and OS.
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let sled_config = config.sled_config(network);
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let mut path = sled_config.get_path();
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assert_eq!(path.file_name(), Some(OsStr::new("state")));
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assert!(path.pop());
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match network {
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Network::Mainnet => assert_eq!(path.file_name(), Some(OsStr::new("mainnet"))),
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Network::Testnet => assert_eq!(path.file_name(), Some(OsStr::new("testnet"))),
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}
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}
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/// Block heights, and the expected minimum block locator height
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static BLOCK_LOCATOR_CASES: &[(u32, u32)] = &[
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(0, 0),
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(1, 0),
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(10, 0),
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(98, 0),
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(99, 0),
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(100, 1),
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(101, 2),
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(1000, 901),
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(10000, 9901),
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];
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/// Check that the block locator heights are sensible.
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#[test]
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fn test_block_locator_heights() {
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for (height, min_height) in BLOCK_LOCATOR_CASES.iter().cloned() {
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let locator = util::block_locator_heights(block::Height(height));
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assert!(!locator.is_empty(), "locators must not be empty");
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if (height - min_height) > 1 {
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assert!(
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locator.len() > 2,
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"non-trivial locators must have some intermediate heights"
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);
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}
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assert_eq!(
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locator[0],
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block::Height(height),
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"locators must start with the tip height"
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);
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// Check that the locator is sorted, and that it has no duplicates
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// TODO: replace with dedup() and is_sorted_by() when sorting stabilises.
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assert!(locator.windows(2).all(|v| match v {
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[a, b] => a.0 > b.0,
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_ => unreachable!("windows returns exact sized slices"),
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}));
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let final_height = locator[locator.len() - 1];
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assert_eq!(
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final_height,
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block::Height(min_height),
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"locators must end with the specified final height"
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);
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assert!(height - final_height.0 <= constants::MAX_BLOCK_REORG_HEIGHT.0,
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format!("locator for {} must not be more than the maximum reorg height {} below the tip, but {} is {} blocks below the tip",
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height,
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constants::MAX_BLOCK_REORG_HEIGHT.0,
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final_height.0,
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height - final_height.0));
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}
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}
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