From f462622e0254f41afe7837720aa50e11ba1b30f1 Mon Sep 17 00:00:00 2001
From: Robin Bryce <robin.bryce@datatrails.ai>
Date: Sun, 9 Jun 2024 17:31:25 +0100
Subject: [PATCH] fix: support leaf hash direct from V3Event type AB#9587

---
 simplehash/schemav3.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/simplehash/schemav3.go b/simplehash/schemav3.go
index 5f568be..5fe2543 100644
--- a/simplehash/schemav3.go
+++ b/simplehash/schemav3.go
@@ -167,3 +167,20 @@ func (h *HasherV3) HashEventFromJSON(eventJson []byte, opts ...HashOption) error
 
 	return V3HashEvent(h.hasher, v3Event)
 }
+
+// HashEventFromV3 hashes a single event according to the canonical simple hash event
+// format available to api consumers. The source event a pre decoded V3Event type
+// Options: same as HashEventFromJSON
+func (h *HasherV3) HashEventFromV3(v3Event V3Event, opts ...HashOption) error {
+
+	o := HashOptions{}
+	for _, opt := range opts {
+		opt(&o)
+	}
+
+	h.applyEventOptions(o, &v3Event)
+
+	h.applyHashingOptions(o)
+
+	return V3HashEvent(h.hasher, v3Event)
+}