all: fix whitespace error of golangci-lint, remove extra empty lines (#1676)

XDCx/order_processor_test.go

@@ -351,7 +351,6 @@ func Test_getCancelFee(t *testing.T) {
 	if fee, _ := XDCx.getCancelFee(nil, nil, tradingStateDb, tokenDOrder.order, tokenDOrder.feeRate); fee != nil && fee.Sign() != 0 {
 		t.Errorf("getCancelFee() = %v, want %v", fee, common.Big0)
 	}
-
 }
 
 func TestGetTradeQuantity(t *testing.T) {

XDCx/tradingstate/managed_state.go

@@ -129,7 +129,6 @@ func (ms *XDCXManagedState) getAccount(addr common.Hash) *exchanges {
 		if so != nil && uint64(len(account.nonces))+account.nstart < so.Nonce() {
 			ms.exchanges[addr] = newAccount(so)
 		}
-
 	}
 
 	return ms.exchanges[addr]

XDCx/tradingstate/statedb_test.go

@@ -66,7 +66,6 @@ func TestEchangeStates(t *testing.T) {
 			mapPriceBuy[amount] = old + amount
 		default:
 		}
-
 	}
 	statedb.SetLastPrice(orderBook, price)
 	statedb.InsertLiquidationPrice(orderBook, big.NewInt(1), orderBook, 2)

XDCxDAO/leveldb.go

@@ -45,7 +45,6 @@ func NewBatchDatabaseWithEncode(datadir string, cacheLimit int) *BatchDatabase {
 	}
 
 	return batchDB
-
 }
 
 func (db *BatchDatabase) IsEmptyKey(key []byte) bool {

cmd/evm/runner.go

@@ -140,7 +140,6 @@ func runCmd(ctx *cli.Context) error {
 			}
 		}
 		code = common.Hex2Bytes(string(bytes.TrimRight(hexcode, "\n")))
-
 	} else if ctx.String(CodeFlag.Name) != "" {
 		code = common.Hex2Bytes(ctx.String(CodeFlag.Name))
 	} else if fn := ctx.Args().First(); len(fn) > 0 {

consensus/XDPoS/XDPoS.go

@@ -211,7 +211,6 @@ func (x *XDPoS) VerifyHeader(chain consensus.ChainReader, header *types.Header,
 // method returns a quit channel to abort the operations and a results channel to
 // retrieve the async verifications (the order is that of the input slice).
 func (x *XDPoS) VerifyHeaders(chain consensus.ChainReader, headers []*types.Header, fullVerifies []bool) (chan<- struct{}, <-chan error) {
-
 	abort := make(chan struct{})
 	results := make(chan error, len(headers))
 

consensus/tests/engine_v1_tests/helper.go

@@ -144,7 +144,6 @@ func getCommonBackend(t *testing.T, chainConfig *params.ChainConfig) *backends.S
 	}, 10000000, chainConfig)
 
 	return contractBackend2
-
 }
 
 func transferTx(t *testing.T, to common.Address, transferAmount int64) *types.Transaction {
@@ -201,7 +200,6 @@ func GetSnapshotSigner(bc *core.BlockChain, header *types.Header) (signersList,
 		ms[addr.Hex()] = true
 	}
 	return ms, nil
-
 }
 
 func GetCandidateFromCurrentSmartContract(backend bind.ContractBackend, t *testing.T) masterNodes {

consensus/tests/engine_v2_tests/helper.go

@@ -274,7 +274,6 @@ func getMultiCandidatesBackend(t *testing.T, chainConfig *params.ChainConfig, n
 }
 
 func getProtectorObserverBackend(t *testing.T, chainConfig *params.ChainConfig) *backends.SimulatedBackend {
-
 	// initial helper backend
 	contractBackendForSC := backends.NewXDCSimulatedBackend(types.GenesisAlloc{
 		voterAddr: {Balance: new(big.Int).SetUint64(10000000000)},

contracts/trc21issuer/simulation/test/main.go

@@ -63,6 +63,7 @@ func airDropTokenToAccountNoXDC() {
 		log.Fatal("can't execute transferAmount in tr21:", err)
 	}
 }
+
 func testTransferTRC21TokenWithAccountNoXDC() {
 	client, err := ethclient.Dial(simulation.RpcEndpoint)
 	if err != nil {
@@ -127,6 +128,7 @@ func testTransferTRC21TokenWithAccountNoXDC() {
 		log.Fatal("can't get balance token fee in  smart contract: ", err, "got", balanceIssuerFee, "wanted", remainFee)
 	}
 }
+
 func testTransferTrc21Fail() {
 	client, err := ethclient.Dial(simulation.RpcEndpoint)
 	if err != nil {
@@ -192,8 +194,8 @@ func testTransferTrc21Fail() {
 	if err != nil || balance.Cmp(remainFee) != 0 {
 		log.Fatal("can't get balance token fee in  smart contract: ", err, "got", balanceIssuerFee, "wanted", remainFee)
 	}
-
 }
+
 func main() {
 	fmt.Println("========================")
 	fmt.Println("airdropAddr", simulation.AirdropAddr.Hex())

contracts/validator/validator_test.go

@@ -178,7 +178,6 @@ func TestRewardBalance(t *testing.T) {
 
 		t.Errorf("reward total %v - %v", totalReward, afterReward)
 	}
-
 }
 
 func GetRewardBalancesRate(foudationWalletAddr common.Address, masterAddr common.Address, totalReward *big.Int, validator *contractValidator.XDCValidator) (map[common.Address]*big.Int, error) {

core/txpool/lending_pool.go

@@ -964,7 +964,6 @@ func (pool *LendingPool) promoteExecutables(accounts []common.Address) {
 			hash := tx.Hash()
 			log.Trace("Removed old queued transaction", "hash", hash)
 			delete(pool.all, hash)
-
 		}
 
 		// Gather all executable transactions and promote them

core/txpool/lending_pool_test.go

@@ -110,5 +110,4 @@ func (l *LendingMsg) computeHash() common.Hash {
 	}
 
 	return common.BytesToHash(sha.Sum(nil))
-
 }

core/txpool/order_pool.go

@@ -483,7 +483,6 @@ func (pool *OrderPool) validateOrder(tx *types.OrderTransaction) error {
 				return err
 			}
 		}
-
 	}
 
 	if orderStatus != OrderStatusNew && orderStatus != OrderStatusCancle {

eth/downloader/downloader.go

@@ -560,7 +560,6 @@ func (d *Downloader) Terminate() {
 // fetchHeight retrieves the head header of the remote peer to aid in estimating
 // the total time a pending synchronisation would take.
 func (d *Downloader) fetchHeight(p *peerConnection, hash common.Hash) (*types.Header, error) {
-
 	// Request the advertised remote head block and wait for the response
 	go p.peer.RequestHeadersByHash(hash, 1, 0, false)
 
@@ -1121,7 +1120,6 @@ func (d *Downloader) fetchParts(deliveryCh chan dataPack, deliver func(dataPack)
 	expire func() map[string]int, pending func() int, inFlight func() bool, reserve func(*peerConnection, int) (*fetchRequest, bool, bool),
 	fetchHook func([]*types.Header), fetch func(*peerConnection, *fetchRequest) error, cancel func(*fetchRequest), capacity func(*peerConnection) int,
 	idle func() ([]*peerConnection, int), setIdle func(*peerConnection, int, time.Time), kind string) error {
-
 	// Create a ticker to detect expired retrieval tasks
 	ticker := time.NewTicker(100 * time.Millisecond)
 	defer ticker.Stop()

eth/downloader/queue.go

@@ -831,7 +831,6 @@ func (q *queue) deliver(id string, taskPool map[common.Hash]*types.Header,
 	taskQueue *prque.Prque[int64, *types.Header], pendPool map[string]*fetchRequest, reqTimer *metrics.Timer,
 	results int, validate func(index int, header *types.Header) error,
 	reconstruct func(index int, result *fetchResult)) (int, error) {
-
 	// Short circuit if the data was never requested
 	request := pendPool[id]
 	if request == nil {

eth/downloader/queue_test.go

@@ -389,10 +389,9 @@ func (n *network) forget(blocknum uint64) {
 	n.chain = n.chain[index:]
 	n.receipts = n.receipts[index:]
 	n.offset = int(blocknum)
-
 }
-func (n *network) progress(numBlocks int) {
 
+func (n *network) progress(numBlocks int) {
 	n.lock.Lock()
 	defer n.lock.Unlock()
 	//fmt.Printf("progressing...\n")
@@ -400,7 +399,6 @@ func (n *network) progress(numBlocks int) {
 	n.chain = append(n.chain, newBlocks...)
 	n.receipts = append(n.receipts, newR...)
 	n.cond.Broadcast()
-
 }
 
 func (n *network) headers(from int) []*types.Header {

eth/fetcher/fetcher.go

@@ -562,7 +562,6 @@ func (f *Fetcher) loop() {
 						} else {
 							f.forgetHash(hash)
 						}
-
 					}
 					if matched {
 						task.transactions = append(task.transactions[:i], task.transactions[i+1:]...)

ethstats/ethstats_test.go

@@ -63,5 +63,4 @@ func TestParseEthstatsURL(t *testing.T) {
 			t.Errorf("case=%d mismatch host value, got: %v ,want: %v", i, host, c.host)
 		}
 	}
-
 }