cosmrs: make Tx::find_by_hash use the /tx endpoint (#116)

cosmrs/src/dev.rs

@@ -99,7 +99,7 @@ pub async fn poll_for_first_block(rpc_client: &rpc::HttpClient) {
 }
 
 /// Wait for a transaction with the given hash to appear in the blockchain
-pub async fn poll_for_tx(rpc_client: &rpc::HttpClient, tx_hash: &tx::Hash) -> Tx {
+pub async fn poll_for_tx(rpc_client: &rpc::HttpClient, tx_hash: tx::Hash) -> Tx {
     let attempts = 5;
 
     for _ in 0..attempts {

cosmrs/src/tx.rs

@@ -162,22 +162,12 @@ impl Tx {
     /// Use RPC to find a transaction by its hash.
     #[cfg(feature = "rpc")]
     #[cfg_attr(docsrs, doc(cfg(feature = "rpc")))]
-    pub async fn find_by_hash<C>(rpc_client: &C, tx_hash: &Hash) -> Result<Tx>
+    pub async fn find_by_hash<C>(rpc_client: &C, tx_hash: Hash) -> Result<Tx>
     where
         C: rpc::Client + Send + Sync,
     {
-        let query = rpc::query::Query::from(rpc::query::EventType::Tx)
-            .and_eq("tx.hash", tx_hash.to_string());
-
-        let response = rpc_client
-            .tx_search(query, false, 1, 1, rpc::Order::Ascending)
-            .await?;
-
-        if response.total_count == 1 {
-            Tx::from_bytes(response.txs[0].tx.as_bytes())
-        } else {
-            Err(Error::TxNotFound { hash: *tx_hash }.into())
-        }
+        let response = rpc_client.tx(tx_hash, false).await?;
+        Tx::from_bytes(response.tx.as_bytes())
     }
 }
 

cosmrs/tests/integration.rs

@@ -93,7 +93,7 @@ fn msg_send() {
                 panic!("deliver_tx failed: {:?}", tx_commit_response.deliver_tx);
             }
 
-            let tx = dev::poll_for_tx(&rpc_client, &tx_commit_response.hash).await;
+            let tx = dev::poll_for_tx(&rpc_client, tx_commit_response.hash).await;
             assert_eq!(&tx_body, &tx.body);
             assert_eq!(&auth_info, &tx.auth_info);
         })