Replace 32 with sha256.Size const (#389)

api/state_test.go

@@ -18,6 +18,7 @@ package api_test
 import (
 	"bytes"
 	"crypto/rand"
+	"crypto/sha256"
 	"fmt"
 	"testing"
 
@@ -44,7 +45,7 @@ func TestHashTile_MarshalTileRoundtrip(t *testing.T) {
 			tile := api.HashTile{Nodes: make([][]byte, 0, test.size)}
 			for i := 0; i < test.size; i++ {
 				// Fill in the leaf index
-				tile.Nodes = append(tile.Nodes, make([]byte, 32))
+				tile.Nodes = append(tile.Nodes, make([]byte, sha256.Size))
 				if _, err := rand.Read(tile.Nodes[i]); err != nil {
 					t.Error(err)
 				}

dedupe_test.go

@@ -16,6 +16,7 @@ package tessera_test
 
 import (
 	"context"
+	"crypto/sha256"
 	"fmt"
 	"sync"
 	"testing"
@@ -92,7 +93,7 @@ func BenchmarkDedupe(b *testing.B) {
 		for leafIndex := range 1024 {
 			wg.Add(1)
 			go func(index int) {
-				_, err := dedupeAdd(ctx, tessera.NewEntry([]byte(fmt.Sprintf("leaf with value %d", index%32))))()
+				_, err := dedupeAdd(ctx, tessera.NewEntry([]byte(fmt.Sprintf("leaf with value %d", index%sha256.Size))))()
 				if err != nil {
 					b.Error(err)
 				}