core/types: remove header accessors

These accessors were introduced by light client changes, but
the only method that is actually used is GetNumberU64. This
commit replaces all uses of .GetNumberU64 with .Number.Uint64.

1 files changed, 1 insertions, 1 deletions

diff --git a/light/lightchain_test.go b/light/lightchain_test.go
index b7668a3b5..60b909e97 100644
--- a/light/lightchain_test.go
+++ b/light/lightchain_test.go
@@ -134,7 +134,7 @@ func testFork(t *testing.T, LightChain *LightChain, i, n int, comparator func(td
 }
 
 func printChain(bc *LightChain) {
-	for i := bc.CurrentHeader().GetNumberU64(); i > 0; i-- {
+	for i := bc.CurrentHeader().Number.Uint64(); i > 0; i-- {
 		b := bc.GetHeaderByNumber(uint64(i))
 		fmt.Printf("\t%x %v\n", b.Hash(), b.Difficulty)
 	}