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let t1 = Transaction {
nonce: 0.into(),
gas_price: 0.into(),
gas: 100_000.into(),
action: Action::Create,
data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
Tomasz Drwięga
committed
}.sign(&secret(), None);
let t2 = Transaction {
nonce: 0.into(),
gas_price: 0.into(),
gas: 100_000.into(),
action: Action::Create,
data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
Tomasz Drwięga
committed
}.sign(&secret(), None);
let t3 = Transaction {
nonce: 0.into(),
gas_price: 0.into(),
gas: 100_000.into(),
action: Action::Create,
data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
Tomasz Drwięga
committed
}.sign(&secret(), None);
let tx_hash1 = t1.hash();
let tx_hash2 = t2.hash();
let tx_hash3 = t3.hash();
let b1 = canon_chain.with_transaction(t1).with_transaction(t2).generate(&mut finalizer).unwrap();
let b2 = canon_chain.with_transaction(t3).generate(&mut finalizer).unwrap();
let db = new_db();
insert_block(&db, &bc, &b1, vec![Receipt {
state_root: Some(H256::default()),
gas_used: 10_000.into(),
log_bloom: Default::default(),
logs: vec![
LogEntry { address: Default::default(), topics: vec![], data: vec![1], },
LogEntry { address: Default::default(), topics: vec![], data: vec![2], },
],
},
Receipt {
state_root: Some(H256::default()),
gas_used: 10_000.into(),
log_bloom: Default::default(),
logs: vec![
LogEntry { address: Default::default(), topics: vec![], data: vec![3], },
],
}]);
insert_block(&db, &bc, &b2, vec![
Receipt {
state_root: Some(H256::default()),
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gas_used: 10_000.into(),
log_bloom: Default::default(),
logs: vec![
LogEntry { address: Default::default(), topics: vec![], data: vec![4], },
],
}
]);
// when
let block1 = BlockView::new(&b1);
let block2 = BlockView::new(&b2);
let logs1 = bc.logs(vec![1, 2], |_| true, None);
let logs2 = bc.logs(vec![1, 2], |_| true, Some(1));
// then
assert_eq!(logs1, vec![
LocalizedLogEntry {
entry: LogEntry { address: Default::default(), topics: vec![], data: vec![1] },
block_hash: block1.hash(),
block_number: block1.header().number(),
transaction_hash: tx_hash1.clone(),
transaction_index: 0,
transaction_log_index: 0,
log_index: 0,
},
LocalizedLogEntry {
entry: LogEntry { address: Default::default(), topics: vec![], data: vec![2] },
block_hash: block1.hash(),
block_number: block1.header().number(),
transaction_hash: tx_hash1.clone(),
transaction_index: 0,
transaction_log_index: 1,
log_index: 1,
},
LocalizedLogEntry {
entry: LogEntry { address: Default::default(), topics: vec![], data: vec![3] },
block_hash: block1.hash(),
block_number: block1.header().number(),
transaction_hash: tx_hash2.clone(),
transaction_index: 1,
transaction_log_index: 0,
log_index: 2,
},
LocalizedLogEntry {
entry: LogEntry { address: Default::default(), topics: vec![], data: vec![4] },
block_hash: block2.hash(),
block_number: block2.header().number(),
transaction_hash: tx_hash3.clone(),
transaction_index: 0,
transaction_log_index: 0,
log_index: 0,
}
]);
assert_eq!(logs2, vec![
LocalizedLogEntry {
entry: LogEntry { address: Default::default(), topics: vec![], data: vec![4] },
block_hash: block2.hash(),
block_number: block2.header().number(),
transaction_hash: tx_hash3.clone(),
transaction_index: 0,
transaction_log_index: 0,
log_index: 0,
}
]);
}
#[test]
fn test_bloom_filter_simple() {
let bloom_b1: H2048 = "00000020000000000000000000000000000000000000000002000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008000400000000000000000000002000".into();
let bloom_b2: H2048 = "00000000000000000000000000000000000000000000020000001000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000008000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000".into();
let bloom_ba: H2048 = "00000000000000000000000000000000000000000000020000000800000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000008000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000".into();
let mut canon_chain = ChainGenerator::default();
let mut finalizer = BlockFinalizer::default();
let genesis = canon_chain.generate(&mut finalizer).unwrap();
let mut fork = canon_chain.fork(1);
let mut fork_finalizer = finalizer.fork();
let b1 = fork.with_bloom(bloom_b1.clone()).generate(&mut fork_finalizer).unwrap();
let b2 = fork.with_bloom(bloom_b2.clone()).generate(&mut fork_finalizer).unwrap();
let b3 = fork.with_bloom(bloom_ba.clone()).generate(&mut fork_finalizer).unwrap();
let b1a = canon_chain.with_bloom(bloom_ba.clone()).generate(&mut finalizer).unwrap();
let b2a = canon_chain.with_bloom(bloom_ba.clone()).generate(&mut finalizer).unwrap();
let db = new_db();
let blocks_b1 = bc.blocks_with_bloom(&bloom_b1, 0, 5);
let blocks_b2 = bc.blocks_with_bloom(&bloom_b2, 0, 5);
assert_eq!(blocks_b1, Vec::<BlockNumber>::new());
assert_eq!(blocks_b2, Vec::<BlockNumber>::new());
let blocks_b1 = bc.blocks_with_bloom(&bloom_b1, 0, 5);
let blocks_b2 = bc.blocks_with_bloom(&bloom_b2, 0, 5);
let blocks_b1 = bc.blocks_with_bloom(&bloom_b1, 0, 5);
let blocks_b2 = bc.blocks_with_bloom(&bloom_b2, 0, 5);
assert_eq!(blocks_b1, vec![1]);
assert_eq!(blocks_b2, vec![2]);
// hasn't been forked yet
let blocks_b1 = bc.blocks_with_bloom(&bloom_b1, 0, 5);
let blocks_b2 = bc.blocks_with_bloom(&bloom_b2, 0, 5);
let blocks_ba = bc.blocks_with_bloom(&bloom_ba, 0, 5);
assert_eq!(blocks_b1, vec![1]);
assert_eq!(blocks_b2, vec![2]);
// fork has happend
let blocks_b1 = bc.blocks_with_bloom(&bloom_b1, 0, 5);
let blocks_b2 = bc.blocks_with_bloom(&bloom_b2, 0, 5);
let blocks_ba = bc.blocks_with_bloom(&bloom_ba, 0, 5);
assert_eq!(blocks_b1, Vec::<BlockNumber>::new());
assert_eq!(blocks_b2, Vec::<BlockNumber>::new());
assert_eq!(blocks_ba, vec![1, 2]);
let blocks_b1 = bc.blocks_with_bloom(&bloom_b1, 0, 5);
let blocks_b2 = bc.blocks_with_bloom(&bloom_b2, 0, 5);
let blocks_ba = bc.blocks_with_bloom(&bloom_ba, 0, 5);
assert_eq!(blocks_b1, vec![1]);
assert_eq!(blocks_b2, vec![2]);
assert_eq!(blocks_ba, vec![3]);
#[test]
fn test_best_block_update() {
let mut canon_chain = ChainGenerator::default();
let mut finalizer = BlockFinalizer::default();
let genesis = canon_chain.generate(&mut finalizer).unwrap();
let db = new_db();
let uncle = canon_chain.fork(1).generate(&mut finalizer.fork()).unwrap();
let mut batch = db.transaction();
// create a longer fork
for _ in 0..5 {
let canon_block = canon_chain.generate(&mut finalizer).unwrap();
bc.insert_block(&mut batch, &canon_block, vec![]);
}
assert_eq!(bc.best_block_number(), 5);
bc.insert_block(&mut batch, &uncle, vec![]);
}
// re-loading the blockchain should load the correct best block.
let bc = new_chain(&genesis, db);
assert_eq!(bc.best_block_number(), 5);
}
#[test]
fn test_rewind() {
let mut canon_chain = ChainGenerator::default();
let mut finalizer = BlockFinalizer::default();
let genesis = canon_chain.generate(&mut finalizer).unwrap();
let first = canon_chain.generate(&mut finalizer).unwrap();
let second = canon_chain.generate(&mut finalizer).unwrap();
let genesis_hash = BlockView::new(&genesis).header_view().sha3();
let first_hash = BlockView::new(&first).header_view().sha3();
let second_hash = BlockView::new(&second).header_view().sha3();
let db = new_db();
let mut batch =db.transaction();
bc.insert_block(&mut batch, &first, vec![]);
bc.insert_block(&mut batch, &second, vec![]);
assert_eq!(bc.rewind(), Some(first_hash.clone()));
assert!(!bc.is_known(&second_hash));
assert_eq!(bc.best_block_number(), 1);
assert_eq!(bc.best_block_hash(), first_hash.clone());
assert_eq!(bc.rewind(), Some(genesis_hash.clone()));
assert_eq!(bc.rewind(), None);
}
#[test]
fn epoch_transitions_iter() {
use ::engines::EpochTransition;
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let mut canon_chain = ChainGenerator::default();
let mut finalizer = BlockFinalizer::default();
let genesis = canon_chain.generate(&mut finalizer).unwrap();
let db = new_db();
{
let bc = new_chain(&genesis, db.clone());
let uncle = canon_chain.fork(1).generate(&mut finalizer.fork()).unwrap();
let mut batch = db.transaction();
// create a longer fork
for i in 0..5 {
let canon_block = canon_chain.generate(&mut finalizer).unwrap();
let hash = BlockView::new(&canon_block).header_view().sha3();
bc.insert_block(&mut batch, &canon_block, vec![]);
bc.insert_epoch_transition(&mut batch, i, EpochTransition {
block_hash: hash,
block_number: i + 1,
proof: vec![],
});
bc.commit();
}
assert_eq!(bc.best_block_number(), 5);
let hash = BlockView::new(&uncle).header_view().sha3();
bc.insert_block(&mut batch, &uncle, vec![]);
bc.insert_epoch_transition(&mut batch, 999, EpochTransition {
block_hash: hash,
block_number: 1,
proof: vec![],
});
db.write(batch).unwrap();
bc.commit();
// epoch 999 not in canonical chain.
assert_eq!(bc.epoch_transitions().map(|(i, _)| i).collect::<Vec<_>>(), vec![0, 1, 2, 3, 4]);
}
// re-loading the blockchain should load the correct best block.
let bc = new_chain(&genesis, db);
assert_eq!(bc.best_block_number(), 5);
assert_eq!(bc.epoch_transitions().map(|(i, _)| i).collect::<Vec<_>>(), vec![0, 1, 2, 3, 4]);
}
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#[test]
fn epoch_transition_for() {
use ::engines::EpochTransition;
let mut canon_chain = ChainGenerator::default();
let mut finalizer = BlockFinalizer::default();
let genesis = canon_chain.generate(&mut finalizer).unwrap();
let db = new_db();
let bc = new_chain(&genesis, db.clone());
let mut batch = db.transaction();
bc.insert_epoch_transition(&mut batch, 0, EpochTransition {
block_hash: bc.genesis_hash(),
block_number: 0,
proof: vec![],
});
db.write(batch).unwrap();
// set up a chain where we have a canonical chain of 10 blocks
// and a non-canonical fork of 8 from genesis.
let fork_hash = {
let mut fork_chain = canon_chain.fork(1);
let mut fork_finalizer = finalizer.fork();
for _ in 0..7 {
let mut batch = db.transaction();
let fork_block = fork_chain.generate(&mut fork_finalizer).unwrap();
bc.insert_block(&mut batch, &fork_block, vec![]);
bc.commit();
db.write(batch).unwrap();
}
assert_eq!(bc.best_block_number(), 7);
bc.chain_info().best_block_hash
};
for _ in 0..10 {
let mut batch = db.transaction();
let canon_block = canon_chain.generate(&mut finalizer).unwrap();
bc.insert_block(&mut batch, &canon_block, vec![]);
bc.commit();
db.write(batch).unwrap();
}
assert_eq!(bc.best_block_number(), 10);
let mut batch = db.transaction();
bc.insert_epoch_transition(&mut batch, 4, EpochTransition {
block_hash: bc.block_hash(4).unwrap(),
block_number: 4,
proof: vec![],
});
db.write(batch).unwrap();
// blocks where the parent is one of the first 4 will be part of genesis epoch.
for i in 0..4 {
let hash = bc.block_hash(i).unwrap();
assert_eq!(bc.epoch_transition_for(hash).unwrap().block_number, 0);
}
// blocks where the parent is the transition at 4 or after will be
// part of that epoch.
for i in 4..11 {
let hash = bc.block_hash(i).unwrap();
assert_eq!(bc.epoch_transition_for(hash).unwrap().block_number, 4);
}
let fork_hashes = bc.ancestry_iter(fork_hash).unwrap().collect::<Vec<_>>();
assert_eq!(fork_hashes.len(), 8);
// non-canonical fork blocks should all have genesis transition
for fork_hash in fork_hashes {
assert_eq!(bc.epoch_transition_for(fork_hash).unwrap().block_number, 0);
}
}