convert %#v/%v to %#x for hex output

data/transactions/logic/box.go

@@ -37,7 +37,7 @@ func (cx *EvalContext) availableBox(name string, operation int, createSize uint6
 
 	dirty, ok := cx.available.boxes[boxRef{cx.appID, name}]
 	if !ok {
-		return nil, false, fmt.Errorf("invalid Box reference %v", name)
+		return nil, false, fmt.Errorf("invalid Box reference %#x", name)
 	}
 
 	// Since the box is in cx.available, we know this GetBox call is cheap. It
@@ -150,7 +150,7 @@ func opBoxExtract(cx *EvalContext) error {
 		return err
 	}
 	if !exists {
-		return fmt.Errorf("no such box %#v", name)
+		return fmt.Errorf("no such box %#x", name)
 	}
 
 	bytes, err := extractCarefully(contents, start, length)
@@ -178,7 +178,7 @@ func opBoxReplace(cx *EvalContext) error {
 		return err
 	}
 	if !exists {
-		return fmt.Errorf("no such box %#v", name)
+		return fmt.Errorf("no such box %#x", name)
 	}
 
 	bytes, err := replaceCarefully(contents, replacement, start)

data/transactions/logic/box_test.go

@@ -242,7 +242,7 @@ func TestBoxAvailability(t *testing.T) {
 	logic.TestApps(t, []string{
 		`byte "self"; int 64; box_create`,
 		`byte "B"; int 10; int 4; box_extract; byte 0x00000000; ==`,
-	}, nil, 8, ledger, logic.NewExpect(1, "invalid Box reference B"))
+	}, nil, 8, ledger, logic.NewExpect(1, "invalid Box reference 0x42"))
 
 	// B is available if indexed by 0 in tx[1].Boxes
 	group := logic.MakeSampleTxnGroup(logic.MakeSampleTxn(), txntest.Txn{

data/transactions/logic/ledger_test.go

@@ -412,10 +412,10 @@ func (l *Ledger) NewBox(appIdx basics.AppIndex, key string, value []byte, appAdd
 	}
 	if current, ok := params.boxMods[key]; ok {
 		if current != nil {
-			return fmt.Errorf("attempt to recreate %s", key)
+			return fmt.Errorf("attempt to recreate %#v", key)
 		}
 	} else if _, ok := params.boxes[key]; ok {
-		return fmt.Errorf("attempt to recreate %s", key)
+		return fmt.Errorf("attempt to recreate %#x", key)
 	}
 	params.boxMods[key] = value
 	l.applications[appIdx] = params

ledger/eval/applications.go

@@ -229,7 +229,7 @@ func (cs *roundCowState) NewBox(appIdx basics.AppIndex, key string, value []byte
 		return err
 	}
 	if exists {
-		return fmt.Errorf("attempt to recreate %s", key)
+		return fmt.Errorf("attempt to recreate %#x", key)
 	}
 
 	record, err := cs.Get(appAddr, false)
@@ -258,10 +258,10 @@ func (cs *roundCowState) SetBox(appIdx basics.AppIndex, key string, value []byte
 		return err
 	}
 	if !ok {
-		return fmt.Errorf("box %s does not exist for %d", key, appIdx)
+		return fmt.Errorf("box %#x does not exist for %d", key, appIdx)
 	}
 	if len(old) != len(value) {
-		return fmt.Errorf("box %s is wrong size old:%d != new:%d",
+		return fmt.Errorf("box %#x is wrong size old:%d != new:%d",
 			key, len(old), len(value))
 	}
 	return cs.kvPut(fullKey, value)