test(wallet): add tests for apply_block_events

Also did minor cleanup of apply_update_events tests.

Author: notmandatory

tests/wallet_event.rs

@@ -2,11 +2,13 @@ use bdk_chain::{BlockId, CheckPoint, ConfirmationBlockTime};
 use bdk_wallet::event::WalletEvent;
 use bdk_wallet::test_utils::{get_test_wpkh_and_change_desc, new_wallet_and_funding_update};
 use bdk_wallet::Update;
+use bitcoin::block::Header;
 use bitcoin::hashes::Hash;
-use bitcoin::{Address, Amount, BlockHash, FeeRate};
+use bitcoin::{Address, Amount, Block, BlockHash, FeeRate, Transaction, TxMerkleNode};
 use core::str::FromStr;
 use std::sync::Arc;
 
+/// apply_update_events tests.
 #[test]
 fn test_new_confirmed_tx_event() {
     let (desc, change_desc) = get_test_wpkh_and_change_desc();
@@ -27,9 +29,8 @@ fn test_new_confirmed_tx_event() {
     );
     assert!(matches!(&events[1], WalletEvent::TxConfirmed {tx, ..} if tx.output.len() == 1));
     assert!(
-        matches!(events[2], WalletEvent::TxConfirmed {block_time, ..} if block_time.block_id.height == 2000)
+        matches!(&events[2], WalletEvent::TxConfirmed {tx, block_time, ..} if block_time.block_id.height == 2000 && tx.output.len() == 2)
     );
-    assert!(matches!(&events[2], WalletEvent::TxConfirmed {tx, ..} if tx.output.len() == 2));
 }
 
 #[test]
@@ -86,7 +87,6 @@ fn test_tx_replaced_event() {
     update.tx_update.seen_ats = [(orig_txid, 210)].into();
     let events = wallet.apply_update_events(update).unwrap();
     assert_eq!(events.len(), 1);
-    assert!(matches!(events[0], WalletEvent::TxUnconfirmed { .. }));
     assert!(
         matches!(&events[0], WalletEvent::TxUnconfirmed {tx, ..} if tx.compute_txid() == orig_txid)
     );
@@ -107,9 +107,8 @@ fn test_tx_replaced_event() {
     let events = wallet.apply_update_events(update).unwrap();
     assert_eq!(events.len(), 2);
     assert!(matches!(events[0], WalletEvent::TxUnconfirmed { txid, .. } if txid == rbf_txid));
-    assert!(matches!(events[1], WalletEvent::TxReplaced { txid, ..} if txid == orig_txid));
     assert!(
-        matches!(&events[1], WalletEvent::TxReplaced {conflicts, ..} if conflicts.len() == 1 &&
+        matches!(&events[1], WalletEvent::TxReplaced {txid, conflicts, ..} if *txid == orig_txid && conflicts.len() == 1 &&
             conflicts.contains(&(0, rbf_txid)))
     );
 }
@@ -139,7 +138,6 @@ fn test_tx_confirmed_event() {
     update.tx_update.seen_ats = [(new_txid, 210)].into();
     let events = wallet.apply_update_events(update).unwrap();
     assert_eq!(events.len(), 1);
-    assert!(matches!(events[0], WalletEvent::TxUnconfirmed { .. }));
     assert!(
         matches!(&events[0], WalletEvent::TxUnconfirmed {tx, ..} if tx.compute_txid() == new_txid)
     );
@@ -196,7 +194,6 @@ fn test_tx_confirmed_new_block_event() {
     update.tx_update.seen_ats = [(new_txid, 210)].into();
     let events = wallet.apply_update_events(update).unwrap();
     assert_eq!(events.len(), 1);
-    assert!(matches!(events[0], WalletEvent::TxUnconfirmed { .. }));
     assert!(
         matches!(&events[0], WalletEvent::TxUnconfirmed {tx, ..} if tx.compute_txid() == new_txid)
     );
@@ -280,7 +277,6 @@ fn test_tx_dropped_event() {
     update.tx_update.seen_ats = [(new_txid, 210)].into();
     let events = wallet.apply_update_events(update).unwrap();
     assert_eq!(events.len(), 1);
-    assert!(matches!(events[0], WalletEvent::TxUnconfirmed { .. }));
     assert!(
         matches!(&events[0], WalletEvent::TxUnconfirmed {tx, ..} if tx.compute_txid() == new_txid)
     );
@@ -293,3 +289,178 @@ fn test_tx_dropped_event() {
     assert_eq!(events.len(), 1);
     assert!(matches!(events[0], WalletEvent::TxDropped { txid, .. } if txid == new_txid));
 }
+
+// apply_block_events tests.
+
+fn test_block(prev_blockhash: BlockHash, time: u32, txdata: Vec<Transaction>) -> Block {
+    Block {
+        header: Header {
+            version: Default::default(),
+            prev_blockhash,
+            merkle_root: TxMerkleNode::all_zeros(),
+            time,
+            bits: Default::default(),
+            nonce: time,
+        },
+        txdata,
+    }
+}
+
+#[test]
+fn test_apply_block_new_confirmed_tx_event() {
+    let (desc, change_desc) = get_test_wpkh_and_change_desc();
+    let (mut wallet, _, update) = new_wallet_and_funding_update(desc, Some(change_desc));
+
+    let genesis = BlockId {
+        height: 0,
+        hash: wallet.local_chain().genesis_hash(),
+    };
+    // apply empty block
+    let block1 = test_block(genesis.hash, 1000, vec![]);
+    let events = wallet.apply_block_events(&block1, 1).unwrap();
+    assert_eq!(events.len(), 1);
+
+    // apply funding block
+    let block2 = test_block(
+        block1.block_hash(),
+        2000,
+        update.tx_update.txs[..1]
+            .iter()
+            .map(|tx| (**tx).clone())
+            .collect(),
+    );
+    let events = wallet.apply_block_events(&block2, 2).unwrap();
+    assert_eq!(events.len(), 2);
+    let new_tip2 = wallet.local_chain().tip().block_id();
+    assert!(
+        matches!(events[0], WalletEvent::ChainTipChanged { old_tip, new_tip } if old_tip == (1, block1.block_hash()).into() && new_tip == new_tip2)
+    );
+    assert!(
+        matches!(&events[1], WalletEvent::TxConfirmed { tx, block_time, ..} if block_time.block_id.height == 2 && tx.output.len() == 1)
+    );
+
+    // apply empty block
+    let block3 = test_block(block2.block_hash(), 3000, vec![]);
+    let events = wallet.apply_block_events(&block3, 3).unwrap();
+    assert_eq!(events.len(), 1);
+
+    // apply spending block
+    let block4 = test_block(
+        block3.block_hash(),
+        4000,
+        update.tx_update.txs[1..]
+            .iter()
+            .map(|tx| (**tx).clone())
+            .collect(),
+    );
+    let events = wallet.apply_block_events(&block4, 4).unwrap();
+    let new_tip3 = wallet.local_chain().tip().block_id();
+    assert_eq!(events.len(), 2);
+    assert!(
+        matches!(events[0], WalletEvent::ChainTipChanged { old_tip, new_tip } if old_tip == (3, block3.block_hash()).into() && new_tip == new_tip3)
+    );
+    assert!(
+        matches!(&events[1], WalletEvent::TxConfirmed {tx, block_time, ..} if block_time.block_id.height == 4 && tx.output.len() == 2)
+    );
+}
+
+#[test]
+fn test_apply_block_tx_unconfirmed_event() {
+    let (desc, change_desc) = get_test_wpkh_and_change_desc();
+    let (mut wallet, _, update) = new_wallet_and_funding_update(desc, Some(change_desc));
+    // apply funding block
+    let genesis = BlockId {
+        height: 0,
+        hash: wallet.local_chain().genesis_hash(),
+    };
+    let block1 = test_block(
+        genesis.hash,
+        1000,
+        update.tx_update.txs[..1]
+            .iter()
+            .map(|tx| (**tx).clone())
+            .collect(),
+    );
+    let events = wallet.apply_block_events(&block1, 1).unwrap();
+    assert_eq!(events.len(), 2);
+
+    // apply spending block
+    let block2 = test_block(
+        block1.block_hash(),
+        2000,
+        update.tx_update.txs[1..]
+            .iter()
+            .map(|tx| (**tx).clone())
+            .collect(),
+    );
+    let events = wallet.apply_block_events(&block2, 2).unwrap();
+    assert_eq!(events.len(), 2);
+    let new_tip2 = wallet.local_chain().tip().block_id();
+    assert!(
+        matches!(events[0], WalletEvent::ChainTipChanged { old_tip, new_tip } if old_tip == (1, block1.block_hash()).into() && new_tip == new_tip2)
+    );
+    assert!(
+        matches!(&events[1], WalletEvent::TxConfirmed {block_time, tx, ..} if block_time.block_id.height == 2 && tx.output.len() == 2)
+    );
+
+    // apply reorg of spending block without previously confirmed tx
+    let reorg_block2 = test_block(block1.block_hash(), 2100, vec![]);
+    let events = wallet.apply_block_events(&reorg_block2, 2).unwrap();
+    assert_eq!(events.len(), 2);
+    assert!(
+        matches!(events[0], WalletEvent::ChainTipChanged { old_tip, new_tip } if old_tip ==
+(2, block2.block_hash()).into() && new_tip == (2, reorg_block2.block_hash()).into())
+    );
+    assert!(
+        matches!(&events[1], WalletEvent::TxUnconfirmed {tx, old_block_time, ..} if
+tx.output.len() == 2 && old_block_time.is_some())
+    );
+}
+
+#[test]
+fn test_apply_block_tx_confirmed_new_block_event() {
+    let (desc, change_desc) = get_test_wpkh_and_change_desc();
+    let (mut wallet, _, update) = new_wallet_and_funding_update(desc, Some(change_desc));
+    // apply funding block
+    let genesis = BlockId {
+        height: 0,
+        hash: wallet.local_chain().genesis_hash(),
+    };
+    let block1 = test_block(
+        genesis.hash,
+        1000,
+        update.tx_update.txs[..1]
+            .iter()
+            .map(|tx| (**tx).clone())
+            .collect(),
+    );
+    let events = wallet.apply_block_events(&block1, 1).unwrap();
+    assert_eq!(events.len(), 2);
+
+    // apply spending block
+    let spending_tx: Transaction = (*update.tx_update.txs[1].clone()).clone();
+    let block2 = test_block(block1.block_hash(), 2000, vec![spending_tx.clone()]);
+    let events = wallet.apply_block_events(&block2, 2).unwrap();
+    assert_eq!(events.len(), 2);
+    let new_tip2 = wallet.local_chain().tip().block_id();
+    assert!(
+        matches!(events[0], WalletEvent::ChainTipChanged { old_tip, new_tip } if old_tip == (1, block1.block_hash()).into() && new_tip == new_tip2)
+    );
+    assert!(
+        matches!(events[1], WalletEvent::TxConfirmed { txid, block_time, old_block_time, .. } if
+        txid == spending_tx.compute_txid() && block_time.block_id == (2, block2.block_hash()).into() && old_block_time.is_none())
+    );
+
+    // apply reorg of spending block including the original spending tx
+    let reorg_block2 = test_block(block1.block_hash(), 2100, vec![spending_tx.clone()]);
+    let events = wallet.apply_block_events(&reorg_block2, 2).unwrap();
+    assert_eq!(events.len(), 2);
+    assert!(
+        matches!(events[0], WalletEvent::ChainTipChanged { old_tip, new_tip } if old_tip ==
+(2, block2.block_hash()).into() && new_tip == (2, reorg_block2.block_hash()).into())
+    );
+    assert!(
+        matches!(events[1], WalletEvent::TxConfirmed { txid, block_time, old_block_time, .. } if
+txid == spending_tx.compute_txid() && block_time.block_id == (2, reorg_block2.block_hash()).into() && old_block_time.is_some())
+    );
+}