feat: send chain txs

src/protocols/relayer.rs

@@ -23,12 +23,18 @@ pub(crate) struct RelayProtocol {
 }
 
 // a simple struct to store the pending transactions in memory with size limit
-pub(crate) struct PendingTxs {
+pub struct PendingTxs {
     txs: LinkedHashMap<packed::Byte32, (packed::Transaction, Cycle, HashSet<PeerId>)>,
     updated_at: Instant,
     limit: usize,
 }
 
+impl Default for PendingTxs {
+    fn default() -> Self {
+        Self::new(64)
+    }
+}
+
 impl PendingTxs {
     pub fn new(limit: usize) -> Self {
         Self {

src/service.rs

@@ -380,7 +380,6 @@ pub struct BlockFilterRpcImpl {
 }
 
 pub struct TransactionRpcImpl {
-    pub(crate) pending_txs: Arc<RwLock<PendingTxs>>,
     pub(crate) swc: StorageWithChainData,
     pub(crate) consensus: Arc<Consensus>,
 }
@@ -1173,7 +1172,8 @@ impl TransactionRpc for TransactionRpcImpl {
         let tx = tx.into_view();
         let cycles = verify_tx(tx.clone(), &self.swc, Arc::clone(&self.consensus))
             .map_err(|e| Error::invalid_params(format!("invalid transaction: {:?}", e)))?;
-        self.pending_txs
+        self.swc
+            .pending_txs()
             .write()
             .expect("pending_txs lock is poisoned")
             .push(tx.clone(), cycles);
@@ -1198,7 +1198,8 @@ impl TransactionRpc for TransactionRpcImpl {
         }
 
         if let Some((transaction, cycles, _)) = self
-            .pending_txs
+            .swc
+            .pending_txs()
             .read()
             .expect("pending_txs lock is poisoned")
             .get(&tx_hash.pack())
@@ -1314,11 +1315,10 @@ impl Service {
         consensus: Consensus,
     ) -> Server {
         let mut io_handler = IoHandler::new();
-        let swc = StorageWithChainData::new(storage, Arc::clone(&peers));
+        let swc = StorageWithChainData::new(storage, Arc::clone(&peers), Arc::clone(&pending_txs));
         let block_filter_rpc_impl = BlockFilterRpcImpl { swc: swc.clone() };
         let chain_rpc_impl = ChainRpcImpl { swc: swc.clone() };
         let transaction_rpc_impl = TransactionRpcImpl {
-            pending_txs,
             swc,
             consensus: Arc::new(consensus),
         };

src/storage.rs

@@ -23,7 +23,7 @@ use ckb_types::{
 use rocksdb::{prelude::*, Direction, IteratorMode, WriteBatch, DB};
 
 use crate::error::Result;
-use crate::protocols::Peers;
+use crate::protocols::{Peers, PendingTxs};
 
 pub const LAST_STATE_KEY: &str = "LAST_STATE";
 const GENESIS_BLOCK_KEY: &str = "GENESIS_BLOCK";
@@ -1128,17 +1128,26 @@ impl HeaderProvider for Storage {
 pub struct StorageWithChainData {
     storage: Storage,
     peers: Arc<Peers>,
+    pending_txs: Arc<RwLock<PendingTxs>>,
 }
 
 impl StorageWithChainData {
-    pub fn new(storage: Storage, peers: Arc<Peers>) -> Self {
-        Self { storage, peers }
+    pub fn new(storage: Storage, peers: Arc<Peers>, pending_txs: Arc<RwLock<PendingTxs>>) -> Self {
+        Self {
+            storage,
+            peers,
+            pending_txs,
+        }
     }
 
     pub fn storage(&self) -> &Storage {
         &self.storage
     }
 
+    pub fn pending_txs(&self) -> &RwLock<PendingTxs> {
+        &self.pending_txs
+    }
+
     pub(crate) fn matched_blocks(&self) -> &RwLock<HashMap<H256, (bool, Option<packed::Block>)>> {
         self.peers.matched_blocks()
     }
@@ -1190,7 +1199,36 @@ impl CellDataProvider for StorageWithChainData {
 
 impl CellProvider for StorageWithChainData {
     fn cell(&self, out_point: &OutPoint, eager_load: bool) -> CellStatus {
-        self.storage.cell(out_point, eager_load)
+        match self.storage.cell(out_point, eager_load) {
+            CellStatus::Live(cell_meta) => CellStatus::Live(cell_meta),
+            _ => {
+                if let Some((tx, _, _)) = self
+                    .pending_txs
+                    .read()
+                    .expect("poisoned")
+                    .get(&out_point.tx_hash())
+                {
+                    if let Some(cell_output) = tx.raw().outputs().get(out_point.index().unpack()) {
+                        let output_data = tx
+                            .raw()
+                            .outputs_data()
+                            .get(out_point.index().unpack())
+                            .expect("output_data's index should be same as output")
+                            .raw_data();
+                        let output_data_data_hash = CellOutput::calc_data_hash(&output_data);
+                        return CellStatus::Live(CellMeta {
+                            out_point: out_point.clone(),
+                            cell_output,
+                            transaction_info: None,
+                            data_bytes: output_data.len() as u64,
+                            mem_cell_data: Some(output_data),
+                            mem_cell_data_hash: Some(output_data_data_hash),
+                        });
+                    }
+                }
+                CellStatus::Unknown
+            }
+        }
     }
 }
 

src/subcmds.rs

@@ -39,7 +39,7 @@ impl RunConfig {
             .expect("build consensus should be OK");
         storage.init_genesis_block(consensus.genesis_block().data());
 
-        let pending_txs = Arc::new(RwLock::new(PendingTxs::new(64)));
+        let pending_txs = Arc::new(RwLock::new(PendingTxs::default()));
         let max_outbound_peers = self.run_env.network.max_outbound_peers;
         let network_state = NetworkState::from_config(self.run_env.network)
             .map(|network_state| {

src/tests/verify.rs

@@ -31,7 +31,8 @@ fn verify_valid_transaction() {
     // https://pudge.explorer.nervos.org/transaction/0xf34f4eaac4a662927fb52d4cb608e603150b9e0678a0f5ed941e3cfd5b68fb30
     let transaction: packed::Transaction = serde_json::from_str::<Transaction>(r#"{"cell_deps":[{"dep_type":"dep_group","out_point":{"index":"0x0","tx_hash":"0xf8de3bb47d055cdf460d93a2a6e1b05f7432f9777c8c474abf4eec1d4aee5d37"}}],"header_deps":[],"inputs":[{"previous_output":{"index":"0x7","tx_hash":"0x8f8c79eb6671709633fe6a46de93c0fedc9c1b8a6527a18d3983879542635c9f"},"since":"0x0"}],"outputs":[{"capacity":"0x470de4df820000","lock":{"args":"0xff5094c2c5f476fc38510018609a3fd921dd28ad","code_hash":"0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8","hash_type":"type"},"type":null},{"capacity":"0xb61134e5a35e800","lock":{"args":"0x64257f00b6b63e987609fa9be2d0c86d351020fb","code_hash":"0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8","hash_type":"type"},"type":null}],"outputs_data":["0x","0x"],"version":"0x0","witnesses":["0x5500000010000000550000005500000041000000af34b54bebf8c5971da6a880f2df5a186c3f8d0b5c9a1fe1a90c95b8a4fb89ef3bab1ccec13797dcb3fee80400f953227dd7741227e08032e3598e16ccdaa49c00"]}"#).unwrap().into();
 
-    let swc = StorageWithChainData::new(storage.to_owned(), chain.create_peers());
+    let swc =
+        StorageWithChainData::new(storage.to_owned(), chain.create_peers(), Default::default());
     let result = verify_tx(transaction.into_view(), &swc, consensus).unwrap();
     // please note that the cycle (1682789) of this transaction displayed on the explorer is wrong
     // it's fixed in https://github.com/nervosnetwork/ckb/pull/4218
@@ -43,7 +44,8 @@ fn non_contextual_transaction_verifier() {
     let chain = MockChain::new_with_default_pow("non_contextual_transaction_verifier");
     let storage = chain.client_storage();
     let consensus = Arc::new(chain.consensus().clone());
-    let swc = StorageWithChainData::new(storage.to_owned(), chain.create_peers());
+    let swc =
+        StorageWithChainData::new(storage.to_owned(), chain.create_peers(), Default::default());
 
     // duplicate cell deps base on a valid transaction
     // https://pudge.explorer.nervos.org/transaction/0xf34f4eaac4a662927fb52d4cb608e603150b9e0678a0f5ed941e3cfd5b68fb30