blobpool wip add

core/txpool/blobpool/blobpool_test.go

@@ -1424,6 +1424,7 @@ func TestAdd(t *testing.T) {
 			// Fake a header for the new set of transactions
 			header := &types.Header{
 				Number:     big.NewInt(int64(chain.CurrentBlock().Number.Uint64() + 1)),
+				Difficulty: common.Big0,
 				BaseFee:    chain.CurrentBlock().BaseFee, // invalid, but nothing checks it, yolo
 			}
 			// Inject the fake block into the chain