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Implement Tributary syncing

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Also adds a forwards-lookup to the Tributary blockchain.
This commit is contained in:
Luke Parker
2023-04-24 00:53:15 -04:00
parent 215155f84b
commit 14388e746c
6 changed files with 119 additions and 55 deletions
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21
coordinator/tributary/src/tests/blockchain.rs
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@@ -23,17 +23,18 @@ fn new_genesis() -> [u8; 32] {
fn new_blockchain<T: Transaction>(
genesis: [u8; 32],
participants: &[<Ristretto as Ciphersuite>::G],
) -> Blockchain<MemDb, T> {
let blockchain = Blockchain::new(MemDb::new(), genesis, participants);
) -> (MemDb, Blockchain<MemDb, T>) {
let db = MemDb::new();
let blockchain = Blockchain::new(db.clone(), genesis, participants);
assert_eq!(blockchain.tip(), genesis);
assert_eq!(blockchain.block_number(), 0);
blockchain
(db, blockchain)
}
#[test]
fn block_addition() {
let genesis = new_genesis();
let mut blockchain = new_blockchain::<SignedTransaction>(genesis, &[]);
let (db, mut blockchain) = new_blockchain::<SignedTransaction>(genesis, &[]);
let block = blockchain.build_block();
assert_eq!(block.header.parent, genesis);
assert_eq!(block.header.transactions, [0; 32]);
@@ -41,12 +42,16 @@ fn block_addition() {
assert!(blockchain.add_block(&block, vec![]).is_ok());
assert_eq!(blockchain.tip(), block.hash());
assert_eq!(blockchain.block_number(), 1);
assert_eq!(
Blockchain::<MemDb, SignedTransaction>::block_after(&db, &block.parent()).unwrap(),
block.hash()
);
}
#[test]
fn invalid_block() {
let genesis = new_genesis();
let mut blockchain = new_blockchain::<SignedTransaction>(genesis, &[]);
let (_, mut blockchain) = new_blockchain::<SignedTransaction>(genesis, &[]);
let block = blockchain.build_block();
@@ -77,7 +82,7 @@ fn invalid_block() {
}
// Run the rest of the tests with them as a participant
let blockchain = new_blockchain(genesis, &[tx.1.signer]);
let (_, blockchain) = new_blockchain(genesis, &[tx.1.signer]);
// Re-run the not a participant block to make sure it now works
{
@@ -130,7 +135,7 @@ fn signed_transaction() {
let tx = crate::tests::signed_transaction(&mut OsRng, genesis, &key, 0);
let signer = tx.1.signer;
let mut blockchain = new_blockchain::<SignedTransaction>(genesis, &[signer]);
let (_, mut blockchain) = new_blockchain::<SignedTransaction>(genesis, &[signer]);
assert_eq!(blockchain.next_nonce(signer), Some(0));
let test = |blockchain: &mut Blockchain<MemDb, SignedTransaction>,
@@ -176,7 +181,7 @@ fn signed_transaction() {
#[test]
fn provided_transaction() {
let genesis = new_genesis();
let mut blockchain = new_blockchain::<ProvidedTransaction>(genesis, &[]);
let (_, mut blockchain) = new_blockchain::<ProvidedTransaction>(genesis, &[]);
let tx = random_provided_transaction(&mut OsRng);