From 6220710eb1057dde4d779af98f9d33c854c54112 Mon Sep 17 00:00:00 2001
From: Preston Van Loon <preston@pvl.dev>
Date: Fri, 26 Apr 2024 07:56:00 -0500
Subject: [PATCH] Tests for HTR utils

---
 encoding/ssz/BUILD.bazel      |  1 +
 encoding/ssz/htrutils_test.go | 73 +++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+)

diff --git a/encoding/ssz/BUILD.bazel b/encoding/ssz/BUILD.bazel
index 3f3c6641d86b..330a2658e760 100644
--- a/encoding/ssz/BUILD.bazel
+++ b/encoding/ssz/BUILD.bazel
@@ -40,6 +40,7 @@ go_test(
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
         "//crypto/hash:go_default_library",
+        "//encoding/bytesutil:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//testing/assert:go_default_library",
diff --git a/encoding/ssz/htrutils_test.go b/encoding/ssz/htrutils_test.go
index 94a52730db9d..a49f63932f75 100644
--- a/encoding/ssz/htrutils_test.go
+++ b/encoding/ssz/htrutils_test.go
@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	"github.com/prysmaticlabs/prysm/v5/encoding/ssz"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
@@ -279,3 +280,75 @@ func TestWithrawalSliceRoot(t *testing.T) {
 		})
 	}
 }
+
+func TestDepositReceiptSliceRoot(t *testing.T) {
+	tests := []struct {
+		name  string
+		input []*enginev1.DepositReceipt
+		limit uint64
+		want  [32]byte
+	}{
+	{
+			name:  "empty",
+			input: make([]*enginev1.DepositReceipt, 0),
+			want:  [32]byte{0xf5, 0xa5, 0xfd, 0x42, 0xd1, 0x6a, 0x20, 0x30, 0x27, 0x98, 0xef, 0x6e, 0xd3, 0x9, 0x97, 0x9b, 0x43, 0x0, 0x3d, 0x23, 0x20, 0xd9, 0xf0, 0xe8, 0xea, 0x98, 0x31, 0xa9, 0x27, 0x59, 0xfb, 0x4b},
+		},
+		{
+			name: "non-empty",
+			input: []*enginev1.DepositReceipt{
+				{
+					Pubkey: bytesutil.PadTo([]byte{0x01, 0x02}, 48),	
+					WithdrawalCredentials: bytesutil.PadTo([]byte{0x03, 0x04}, 32),
+					Amount: 5,
+					Signature: bytesutil.PadTo([]byte{0x06, 0x07}, 96),
+					Index: 8,
+				},
+			},
+			limit: 16,
+			want: [32]byte{0x34, 0xe3, 0x76, 0x5, 0xe5, 0x12, 0xe4, 0x75, 0x14, 0xf6, 0x72, 0x1c, 0x56, 0x5a, 0xa7, 0xf8, 0x8d, 0xaf, 0x84, 0xb7, 0xd7, 0x3e, 0xe6, 0x5f, 0x3f, 0xb1, 0x9f, 0x41, 0xf0, 0x10, 0x2b, 0xe6},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := ssz.DepositReceiptSliceRoot(tt.input, tt.limit)
+			require.NoError(t, err)
+			require.DeepSSZEqual(t, tt.want, got)
+		})
+	}
+}
+
+func TestWithdrawalRequestSliceRoot(t *testing.T) {
+	tests := []struct {
+		name  string
+		input []*enginev1.ExecutionLayerWithdrawalRequest
+		limit uint64
+		want  [32]byte
+	}{
+		{
+			name:  "empty",
+			input: make([]*enginev1.ExecutionLayerWithdrawalRequest, 0),
+			want:  [32]byte{0xf5, 0xa5, 0xfd, 0x42, 0xd1, 0x6a, 0x20, 0x30, 0x27, 0x98, 0xef, 0x6e, 0xd3, 0x9, 0x97, 0x9b, 0x43, 0x0, 0x3d, 0x23, 0x20, 0xd9, 0xf0, 0xe8, 0xea, 0x98, 0x31, 0xa9, 0x27, 0x59, 0xfb, 0x4b},
+		},
+		{
+			name: "non-empty",
+			input: []*enginev1.ExecutionLayerWithdrawalRequest{
+				{
+					SourceAddress: bytesutil.PadTo([]byte{0x01, 0x02}, 20),	
+					ValidatorPubkey: bytesutil.PadTo([]byte{0x03, 0x04}, 48),
+					Amount: 5,
+				},
+			},
+			limit: 16,
+			want: [32]byte{0xa8, 0xab, 0xb2, 0x20, 0xe6, 0xd6, 0x5a, 0x7e, 0x56, 0x60, 0xe4, 0x9d, 0xae, 0x36, 0x17, 0x3d, 0x8b, 0xd, 0xde, 0x28, 0x96, 0x5, 0x82, 0x72, 0x18, 0xda, 0xc7, 0x5a, 0x53, 0xe0, 0x35, 0xf7},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := ssz.WithdrawalRequestSliceRoot(tt.input, tt.limit)
+			require.NoError(t, err)
+			require.DeepSSZEqual(t, tt.want, got)
+		})
+	}
+}