core: fix unused warnings (#1811)

core/txpool/txpool_test.go

@@ -742,7 +742,6 @@ func TestPostponing(t *testing.T) {
 	// Add a batch consecutive pending transactions for validation
 	txs := []*types.Transaction{}
 	for i, key := range keys {
-
 		for j := 0; j < 10; j++ {
 			var tx *types.Transaction
 			if (i+j)%2 == 0 {

core/types/bloom9.go

@@ -78,7 +78,6 @@ func (b Bloom) Test(test *big.Int) bool {
 
 func (b Bloom) TestBytes(test []byte) bool {
 	return b.Test(new(big.Int).SetBytes(test))
-
 }
 
 // MarshalText encodes b as a hex string with 0x prefix.

core/types/lending_signing.go

@@ -216,7 +216,6 @@ func (lendingsign LendingTxSigner) Sender(tx *LendingTransaction) (common.Addres
 	}
 	address := crypto.PubkeyToAddress(*pubKey)
 	return address, nil
-
 }
 
 // CacheLendingSigner cache signed lending transaction

core/types/receipt_test.go

@@ -87,8 +87,6 @@ var (
 	to3 = common.HexToAddress("0x3")
 	to4 = common.HexToAddress("0x4")
 	to5 = common.HexToAddress("0x5")
-	to6 = common.HexToAddress("0x6")
-	to7 = common.HexToAddress("0x7")
 	txs = Transactions{
 		NewTx(&LegacyTx{
 			Nonce:    1,
@@ -130,7 +128,6 @@ var (
 	}
 
 	blockNumber = big.NewInt(1)
-	blockTime   = uint64(2)
 	blockHash   = common.BytesToHash([]byte{0x03, 0x14})
 
 	// Create the corresponding receipts

core/vm/privacy/ringct.go

@@ -62,19 +62,6 @@ type RingSignature struct {
 	SerializedRing []byte //temporary memory stored the raw ring ct used in case of verifying ringCT with message verification
 }
 
-func (p *PrivateSendVerifier) verify() bool {
-	return false
-}
-
-func (p *PrivateSendVerifier) deserialize() {
-
-}
-
-// helper function, returns type of v
-func typeof(v interface{}) string {
-	return fmt.Sprintf("%T", v)
-}
-
 func isOdd(a *big.Int) bool {
 	return a.Bit(0) == 1
 }
@@ -195,7 +182,6 @@ func computeSignatureSize(numRing int, ringSize int) int {
 	if term < 0 || term < numRing || term < ringSize {
 		return -1
 	}
-
 	return 8 + 8 + 32 + 32 + numRing*ringSize*32 + numRing*ringSize*33 + numRing*33
 }
 

core/vm/runtime/runtime_test.go

@@ -491,7 +491,6 @@ func TestEip2929Cases(t *testing.T) {
 	t.Skip("Test only useful for generating documentation")
 	id := 1
 	prettyPrint := func(comment string, code []byte) {
-
 		instrs := make([]string, 0)
 		it := asm.NewInstructionIterator(code)
 		for it.Next() {