From 1ee8f6ff30ca510c43b911ec29b90e14ebc7a522 Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Mon, 12 Jun 2023 07:57:50 +0200
Subject: [PATCH] feat: add ParityTraceBuilder::callers (#3099)

---
 crates/revm/revm-inspectors/src/tracing/builder/parity.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/crates/revm/revm-inspectors/src/tracing/builder/parity.rs b/crates/revm/revm-inspectors/src/tracing/builder/parity.rs
index d79973f825..82ee58ba07 100644
--- a/crates/revm/revm-inspectors/src/tracing/builder/parity.rs
+++ b/crates/revm/revm-inspectors/src/tracing/builder/parity.rs
@@ -1,4 +1,5 @@
 use crate::tracing::{types::CallTraceNode, TracingInspectorConfig};
+use reth_primitives::Address;
 use reth_rpc_types::{trace::parity::*, TransactionInfo};
 use revm::primitives::ExecutionResult;
 use std::collections::HashSet;
@@ -18,6 +19,11 @@ impl ParityTraceBuilder {
         Self { nodes, _config }
     }
 
+    /// Returns a list of all addresses that appeared as callers.
+    pub fn callers(&self) -> HashSet<Address> {
+        self.nodes.iter().map(|node| node.trace.caller).collect()
+    }
+
     /// Returns the trace addresses of all transactions in the set
     fn trace_addresses(&self) -> Vec<Vec<usize>> {
         let mut all_addresses = Vec::with_capacity(self.nodes.len());