diff --git a/accounts/abi/abigen/source.go.tpl b/accounts/abi/abigen/source.go.tpl
index 816ea1cb40..09bc167188 100644
--- a/accounts/abi/abigen/source.go.tpl
+++ b/accounts/abi/abigen/source.go.tpl
@@ -4,7 +4,7 @@
 package {{.Package}}
 
 import (
-    "context"
+	"context"
 	"math/big"
 	"strings"
 	"time"
diff --git a/accounts/abi/bind/v2/base_test.go b/accounts/abi/bind/v2/base_test.go
index 80d0f22f2c..7015d39694 100644
--- a/accounts/abi/bind/v2/base_test.go
+++ b/accounts/abi/bind/v2/base_test.go
@@ -75,6 +75,10 @@ func (mt *mockTransactor) SendTransaction(ctx context.Context, tx *types.Transac
 	return nil
 }
 
+func (mt *mockTransactor) TransactionByHash(ctx context.Context, hash common.Hash) (*types.Transaction, bool, error) {
+	return nil, false, nil
+}
+
 type mockCaller struct {
 	codeAtBlockNumber       *big.Int
 	callContractBlockNumber *big.Int