From c625e0b99748bd24a84e62cec40fb4a88518a0c0 Mon Sep 17 00:00:00 2001
From: zeroXbrock <2791467+zeroXbrock@users.noreply.github.com>
Date: Wed, 22 May 2024 16:25:31 -0700
Subject: [PATCH 1/3] define standard orderflow events

---
 src/Observable.sol | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 src/Observable.sol

diff --git a/src/Observable.sol b/src/Observable.sol
new file mode 100644
index 0000000..8b0f3b6
--- /dev/null
+++ b/src/Observable.sol
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.23;
+
+abstract contract ObservableOrderflow {
+    event SentBundle(bytes32 bundleHash);
+    event SentTransaction(bytes32 txHash);
+    event SentTransactions(bytes32[] txHashes);
+}

From 38c249d534c6f71a09a9d71ba9629163b055d74d Mon Sep 17 00:00:00 2001
From: zeroXbrock <2791467+zeroXbrock@users.noreply.github.com>
Date: Wed, 22 May 2024 16:43:02 -0700
Subject: [PATCH 2/3] overload SentBundle w/ more param

---
 src/Observable.sol | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Observable.sol b/src/Observable.sol
index 8b0f3b6..196d214 100644
--- a/src/Observable.sol
+++ b/src/Observable.sol
@@ -3,6 +3,7 @@ pragma solidity ^0.8.23;
 
 abstract contract ObservableOrderflow {
     event SentBundle(bytes32 bundleHash);
+    event SentBundle(bytes32 bundleHash, bytes32[] txHashes);
     event SentTransaction(bytes32 txHash);
     event SentTransactions(bytes32[] txHashes);
 }

From dc3b9c69b28a0fd78b89870e60beca6e6f583288 Mon Sep 17 00:00:00 2001
From: zeroXbrock <2791467+zeroXbrock@users.noreply.github.com>
Date: Wed, 22 May 2024 16:43:37 -0700
Subject: [PATCH 3/3] update license

---
 src/Observable.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Observable.sol b/src/Observable.sol
index 196d214..334b750 100644
--- a/src/Observable.sol
+++ b/src/Observable.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: Unlicense
 pragma solidity ^0.8.23;
 
 abstract contract ObservableOrderflow {