feat: add ipld section to execution trace

Author: rvagg

rust/src/fvm/machine.rs

@@ -438,6 +438,13 @@ struct LotusGasCharge {
     pub duration_nanos: u64,
 }
 
+#[derive(Clone, Debug, Serialize_tuple, Deserialize_tuple)]
+struct TraceIpld {
+    pub op: u64,
+    pub cid: Cid,
+    pub size: usize,
+}
+
 #[derive(Clone, Debug, Serialize_tuple, Deserialize_tuple)]
 struct Trace {
     pub msg: TraceMessage,
@@ -446,6 +453,7 @@ struct Trace {
     pub gas_charges: Vec<LotusGasCharge>,
     pub subcalls: Vec<Trace>,
     pub logs: Vec<String>,
+    pub ipld: Vec<TraceIpld>,
 }
 
 #[derive(Serialize_tuple, Deserialize_tuple, Debug, PartialEq, Eq, Clone)]
@@ -507,6 +515,7 @@ fn build_lotus_trace(
         gas_charges: vec![],
         subcalls: vec![],
         logs: vec![],
+        ipld: vec![],
     };
 
     while let Some(trace) = trace_iter.next() {
@@ -579,6 +588,13 @@ fn build_lotus_trace(
             ExecutionEvent::Log(s) => {
                 new_trace.logs.push(s);
             }
+            ExecutionEvent::Ipld { op, cid, size } => {
+                new_trace.ipld.push(TraceIpld {
+                    op: op as u64,
+                    cid,
+                    size,
+                });
+            }
             _ => (), // ignore unknown events.
         };
     }