2020-07-29 04:12:53 -07:00
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//! Tests for CheckpointList
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use super::*;
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use std::sync::Arc;
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2020-08-15 15:45:37 -07:00
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use zebra_chain::parameters::{Network, NetworkUpgrade::Sapling};
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2020-07-29 04:12:53 -07:00
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use zebra_chain::{block::Block, serialization::ZcashDeserialize};
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/// Make a checkpoint list containing only the genesis block
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#[test]
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fn checkpoint_list_genesis() -> Result<(), Error> {
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zebra_test::init();
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// Parse the genesis block
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let mut checkpoint_data = Vec::new();
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let block =
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Arc::<Block>::zcash_deserialize(&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..])?;
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let hash: BlockHeaderHash = block.as_ref().into();
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checkpoint_data.push((
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block.coinbase_height().expect("test block has height"),
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hash,
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));
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// Make a checkpoint list containing the genesis block
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let checkpoint_list: BTreeMap<BlockHeight, BlockHeaderHash> =
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checkpoint_data.iter().cloned().collect();
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let _ = CheckpointList::from_list(checkpoint_list)?;
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Ok(())
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}
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/// Make a checkpoint list containing multiple blocks
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#[test]
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fn checkpoint_list_multiple() -> Result<(), Error> {
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zebra_test::init();
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// Parse all the blocks
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let mut checkpoint_data = Vec::new();
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for b in &[
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&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..],
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&zebra_test::vectors::BLOCK_MAINNET_1_BYTES[..],
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&zebra_test::vectors::BLOCK_MAINNET_415000_BYTES[..],
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&zebra_test::vectors::BLOCK_MAINNET_434873_BYTES[..],
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] {
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let block = Arc::<Block>::zcash_deserialize(*b)?;
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let hash: BlockHeaderHash = block.as_ref().into();
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checkpoint_data.push((
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block.coinbase_height().expect("test block has height"),
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hash,
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));
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}
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// Make a checkpoint list containing all the blocks
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let checkpoint_list: BTreeMap<BlockHeight, BlockHeaderHash> =
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checkpoint_data.iter().cloned().collect();
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let _ = CheckpointList::from_list(checkpoint_list)?;
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Ok(())
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}
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/// Make sure that an empty checkpoint list fails
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#[test]
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fn checkpoint_list_empty_fail() -> Result<(), Error> {
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zebra_test::init();
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let _ = CheckpointList::from_list(Vec::new()).expect_err("empty checkpoint lists should fail");
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Ok(())
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}
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/// Make sure a checkpoint list that doesn't contain the genesis block fails
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#[test]
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fn checkpoint_list_no_genesis_fail() -> Result<(), Error> {
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zebra_test::init();
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// Parse a non-genesis block
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let mut checkpoint_data = Vec::new();
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let block = Arc::<Block>::zcash_deserialize(&zebra_test::vectors::BLOCK_MAINNET_1_BYTES[..])?;
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let hash: BlockHeaderHash = block.as_ref().into();
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checkpoint_data.push((
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block.coinbase_height().expect("test block has height"),
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hash,
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));
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// Make a checkpoint list containing the non-genesis block
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let checkpoint_list: BTreeMap<BlockHeight, BlockHeaderHash> =
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checkpoint_data.iter().cloned().collect();
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let _ = CheckpointList::from_list(checkpoint_list)
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.expect_err("a checkpoint list with no genesis block should fail");
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Ok(())
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}
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/// Make sure a checkpoint list that contains a null hash fails
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#[test]
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fn checkpoint_list_null_hash_fail() -> Result<(), Error> {
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zebra_test::init();
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let checkpoint_data = vec![(BlockHeight(0), BlockHeaderHash([0; 32]))];
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// Make a checkpoint list containing the non-genesis block
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let checkpoint_list: BTreeMap<BlockHeight, BlockHeaderHash> =
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checkpoint_data.iter().cloned().collect();
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let _ = CheckpointList::from_list(checkpoint_list)
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.expect_err("a checkpoint list with a null block hash should fail");
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Ok(())
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}
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/// Make sure a checkpoint list that contains an invalid block height fails
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#[test]
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fn checkpoint_list_bad_height_fail() -> Result<(), Error> {
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zebra_test::init();
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let checkpoint_data = vec![(
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BlockHeight(BlockHeight::MAX.0 + 1),
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BlockHeaderHash([1; 32]),
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)];
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// Make a checkpoint list containing the non-genesis block
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let checkpoint_list: BTreeMap<BlockHeight, BlockHeaderHash> =
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checkpoint_data.iter().cloned().collect();
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let _ = CheckpointList::from_list(checkpoint_list).expect_err(
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"a checkpoint list with an invalid block height (BlockHeight::MAX + 1) should fail",
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);
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let checkpoint_data = vec![(BlockHeight(u32::MAX), BlockHeaderHash([1; 32]))];
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// Make a checkpoint list containing the non-genesis block
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let checkpoint_list: BTreeMap<BlockHeight, BlockHeaderHash> =
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checkpoint_data.iter().cloned().collect();
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let _ = CheckpointList::from_list(checkpoint_list)
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.expect_err("a checkpoint list with an invalid block height (u32::MAX) should fail");
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Ok(())
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}
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/// Make sure that a checkpoint list containing duplicate blocks fails
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#[test]
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fn checkpoint_list_duplicate_blocks_fail() -> Result<(), Error> {
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zebra_test::init();
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// Parse some blocks twice
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let mut checkpoint_data = Vec::new();
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for b in &[
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&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..],
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&zebra_test::vectors::BLOCK_MAINNET_1_BYTES[..],
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&zebra_test::vectors::BLOCK_MAINNET_1_BYTES[..],
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] {
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let block = Arc::<Block>::zcash_deserialize(*b)?;
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let hash: BlockHeaderHash = block.as_ref().into();
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checkpoint_data.push((
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block.coinbase_height().expect("test block has height"),
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hash,
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));
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}
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// Make a checkpoint list containing some duplicate blocks
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let _ = CheckpointList::from_list(checkpoint_data)
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.expect_err("checkpoint lists with duplicate blocks should fail");
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Ok(())
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}
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/// Make sure that a checkpoint list containing duplicate heights
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/// (with different hashes) fails
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#[test]
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fn checkpoint_list_duplicate_heights_fail() -> Result<(), Error> {
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zebra_test::init();
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// Parse the genesis block
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let mut checkpoint_data = Vec::new();
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for b in &[&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..]] {
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let block = Arc::<Block>::zcash_deserialize(*b)?;
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let hash: BlockHeaderHash = block.as_ref().into();
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checkpoint_data.push((
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block.coinbase_height().expect("test block has height"),
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hash,
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));
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}
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// Then add some fake entries with duplicate heights
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checkpoint_data.push((BlockHeight(1), BlockHeaderHash([0xaa; 32])));
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checkpoint_data.push((BlockHeight(1), BlockHeaderHash([0xbb; 32])));
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// Make a checkpoint list containing some duplicate blocks
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let _ = CheckpointList::from_list(checkpoint_data)
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.expect_err("checkpoint lists with duplicate heights should fail");
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Ok(())
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}
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/// Make sure that a checkpoint list containing duplicate hashes
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/// (at different heights) fails
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#[test]
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fn checkpoint_list_duplicate_hashes_fail() -> Result<(), Error> {
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zebra_test::init();
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// Parse the genesis block
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let mut checkpoint_data = Vec::new();
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for b in &[&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..]] {
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let block = Arc::<Block>::zcash_deserialize(*b)?;
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let hash: BlockHeaderHash = block.as_ref().into();
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checkpoint_data.push((
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block.coinbase_height().expect("test block has height"),
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hash,
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));
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}
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// Then add some fake entries with duplicate hashes
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checkpoint_data.push((BlockHeight(1), BlockHeaderHash([0xcc; 32])));
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checkpoint_data.push((BlockHeight(2), BlockHeaderHash([0xcc; 32])));
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// Make a checkpoint list containing some duplicate blocks
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let _ = CheckpointList::from_list(checkpoint_data)
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.expect_err("checkpoint lists with duplicate hashes should fail");
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Ok(())
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}
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/// Parse and check the hard-coded Mainnet and Testnet lists
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#[test]
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fn checkpoint_list_load_hard_coded() -> Result<(), Error> {
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zebra_test::init();
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let _: CheckpointList = MAINNET_CHECKPOINTS
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.parse()
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.expect("hard-coded Mainnet checkpoint list should parse");
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let _: CheckpointList = TESTNET_CHECKPOINTS
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.parse()
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.expect("hard-coded Testnet checkpoint list should parse");
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2020-08-15 15:45:37 -07:00
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let _ = CheckpointList::new(Network::Mainnet);
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let _ = CheckpointList::new(Network::Testnet);
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2020-07-29 04:12:53 -07:00
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Ok(())
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}
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#[test]
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fn checkpoint_list_hard_coded_sapling_mainnet() -> Result<(), Error> {
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checkpoint_list_hard_coded_sapling(Network::Mainnet)
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2020-07-29 04:12:53 -07:00
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}
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#[test]
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fn checkpoint_list_hard_coded_sapling_testnet() -> Result<(), Error> {
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checkpoint_list_hard_coded_sapling(Network::Testnet)
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2020-07-29 04:12:53 -07:00
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}
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/// Check that the hard-coded lists cover the Sapling network upgrade
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fn checkpoint_list_hard_coded_sapling(network: Network) -> Result<(), Error> {
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zebra_test::init();
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let sapling_activation = Sapling
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.activation_height(network)
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.expect("Unexpected network upgrade info: Sapling must have an activation height");
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let list = CheckpointList::new(network);
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assert!(
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list.max_height() >= sapling_activation,
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"Pre-Sapling blocks must be verified by checkpoints"
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);
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Ok(())
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}
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