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bitcoind_rpc!: bring back CheckPoints to Emitter

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* `bdk_chain` dependency is added. In the future, we will introduce a
  separate `bdk_core` crate to contain shared types.
* replace `Emitter::new` with `from_height` and `from_checkpoint`
  * `from_height` emits from the given start height
  * `from_checkpoint` uses the provided cp to find agreement point
* introduce logic that ensures emitted blocks can connect with
  receiver's `LocalChain`
* in our rpc example, we can now `expect()` chain updates to always
  since we are using checkpoints and receiving blocks in order
This commit is contained in:
志宇
2023-10-07 00:56:01 +08:00
parent 57590e0a1f
commit 5f34df8489
4 changed files with 84 additions and 43 deletions
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16
crates/bitcoind_rpc/tests/test_emitter.rs
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@@ -189,7 +189,7 @@ fn block_to_chain_update(block: &bitcoin::Block, height: u32) -> local_chain::Up
pub fn test_sync_local_chain() -> anyhow::Result<()> {
let env = TestEnv::new()?;
let mut local_chain = LocalChain::default();
let mut emitter = Emitter::new(&env.client, 0);
let mut emitter = Emitter::from_height(&env.client, 0);
// mine some blocks and returned the actual block hashes
let exp_hashes = {
@@ -305,7 +305,7 @@ fn test_into_tx_graph() -> anyhow::Result<()> {
index
});
let emitter = &mut Emitter::new(&env.client, 0);
let emitter = &mut Emitter::from_height(&env.client, 0);
while let Some((height, block)) = emitter.next_block()? {
let _ = chain.apply_update(block_to_chain_update(&block, height))?;
@@ -393,7 +393,7 @@ fn ensure_block_emitted_after_reorg_is_at_reorg_height() -> anyhow::Result<()> {
const CHAIN_TIP_HEIGHT: usize = 110;
let env = TestEnv::new()?;
let mut emitter = Emitter::new(&env.client, EMITTER_START_HEIGHT as _);
let mut emitter = Emitter::from_height(&env.client, EMITTER_START_HEIGHT as _);
env.mine_blocks(CHAIN_TIP_HEIGHT, None)?;
while emitter.next_header()?.is_some() {}
@@ -461,7 +461,7 @@ fn tx_can_become_unconfirmed_after_reorg() -> anyhow::Result<()> {
const SEND_AMOUNT: Amount = Amount::from_sat(10_000);
let env = TestEnv::new()?;
let mut emitter = Emitter::new(&env.client, 0);
let mut emitter = Emitter::from_height(&env.client, 0);
// setup addresses
let addr_to_mine = env.client.get_new_address(None, None)?.assume_checked();
@@ -542,7 +542,7 @@ fn mempool_avoids_re_emission() -> anyhow::Result<()> {
const MEMPOOL_TX_COUNT: usize = 2;
let env = TestEnv::new()?;
let mut emitter = Emitter::new(&env.client, 0);
let mut emitter = Emitter::from_height(&env.client, 0);
// mine blocks and sync up emitter
let addr = env.client.get_new_address(None, None)?.assume_checked();
@@ -597,7 +597,7 @@ fn mempool_re_emits_if_tx_introduction_height_not_reached() -> anyhow::Result<()
const MEMPOOL_TX_COUNT: usize = 21;
let env = TestEnv::new()?;
let mut emitter = Emitter::new(&env.client, 0);
let mut emitter = Emitter::from_height(&env.client, 0);
// mine blocks to get initial balance, sync emitter up to tip
let addr = env.client.get_new_address(None, None)?.assume_checked();
@@ -674,7 +674,7 @@ fn mempool_during_reorg() -> anyhow::Result<()> {
const PREMINE_COUNT: usize = 101;
let env = TestEnv::new()?;
let mut emitter = Emitter::new(&env.client, 0);
let mut emitter = Emitter::from_height(&env.client, 0);
// mine blocks to get initial balance
let addr = env.client.get_new_address(None, None)?.assume_checked();
@@ -789,7 +789,7 @@ fn no_agreement_point() -> anyhow::Result<()> {
let env = TestEnv::new()?;
// start height is 99
let mut emitter = Emitter::new(&env.client, (PREMINE_COUNT - 2) as u32);
let mut emitter = Emitter::from_height(&env.client, (PREMINE_COUNT - 2) as u32);
// mine 101 blocks
env.mine_blocks(PREMINE_COUNT, None)?;