From 235f727b05f1ea08d64ff96dea53f3dda93b195e Mon Sep 17 00:00:00 2001
From: Aurora Gaffney <aurora@blinklabs.io>
Date: Tue, 20 Aug 2024 08:50:33 -0500
Subject: [PATCH] fix: return empty key hash for empty address keys (#688)

---
 ledger/address.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ledger/address.go b/ledger/address.go
index 428f391f..951201bd 100644
--- a/ledger/address.go
+++ b/ledger/address.go
@@ -195,6 +195,10 @@ func (a Address) PaymentAddress() *Address {
 
 // PaymentKeyHash returns a new Blake2b224 hash of the payment key
 func (a *Address) PaymentKeyHash() Blake2b224 {
+	if len(a.paymentAddress) != AddressHashSize {
+		// Return empty hash
+		return Blake2b224([AddressHashSize]byte{})
+	}
 	return Blake2b224(a.paymentAddress[:])
 }
 
@@ -221,6 +225,10 @@ func (a Address) StakeAddress() *Address {
 
 // StakeKeyHash returns a new Blake2b224 hash of the stake key
 func (a *Address) StakeKeyHash() Blake2b224 {
+	if len(a.stakingAddress) != AddressHashSize {
+		// Return empty hash
+		return Blake2b224([AddressHashSize]byte{})
+	}
 	return Blake2b224(a.stakingAddress[:])
 }