Merge pull request #581 from gpBlockchain/develop

fix construct chained transaction failed when the previous transaction is in a pending state.

src/utils/other.rs

@@ -8,6 +8,7 @@ use std::time::{SystemTime, UNIX_EPOCH};
 
 use ckb_hash::{blake2b_256, new_blake2b};
 use ckb_jsonrpc_types as rpc_types;
+use ckb_jsonrpc_types::Status;
 use ckb_sdk::{
     constants::{MIN_SECP_CELL_CAPACITY, ONE_CKB},
     traits::LiveCell,
@@ -184,6 +185,36 @@ pub fn get_live_cell(
     client: &mut HttpRpcClient,
     out_point: OutPoint,
     with_data: bool,
+) -> Result<(CellOutput, Bytes), String> {
+    let transaction = client
+        .get_transaction(out_point.clone().tx_hash().unpack())
+        .map_err(|err| format!("Error retrieving transaction: {}", err))?
+        .ok_or("Transaction not found")?;
+
+    match transaction.tx_status.status {
+        Status::Pending | Status::Proposed => {
+            let tx = transaction.transaction.ok_or("Transaction not found")?;
+            let id: usize = out_point.clone().index().unpack();
+            let output = tx
+                .inner
+                .outputs
+                .get(id)
+                .cloned()
+                .ok_or("Output not found")?;
+            Ok((output.into(), Bytes::new()))
+        }
+        Status::Committed => get_live_cell_internal(client, out_point, with_data),
+        Status::Unknown | Status::Rejected => Err(format!(
+            "Invalid Transaction status: {:?}",
+            transaction.tx_status.status
+        )),
+    }
+}
+
+pub fn get_live_cell_internal(
+    client: &mut HttpRpcClient,
+    out_point: OutPoint,
+    with_data: bool,
 ) -> Result<(CellOutput, Bytes), String> {
     let cell = client.get_live_cell(out_point.clone(), with_data)?;
     if cell.status != "live" {