made fullTx arg optional to keep backwards compatibility

Author: lmittmann

eth/filters/api.go

@@ -136,7 +136,7 @@ func (api *FilterAPI) NewPendingTransactionFilter() rpc.ID {
 // NewPendingTransactions creates a subscription that is triggered each time a
 // transaction enters the transaction pool. If fullTx is true the full tx is
 // sent to the client, otherwise the hash is sent.
-func (api *FilterAPI) NewPendingTransactions(ctx context.Context, fullTx bool) (*rpc.Subscription, error) {
+func (api *FilterAPI) NewPendingTransactions(ctx context.Context, fullTx *bool) (*rpc.Subscription, error) {
 	notifier, supported := rpc.NotifierFromContext(ctx)
 	if !supported {
 		return &rpc.Subscription{}, rpc.ErrNotificationsUnsupported
@@ -154,7 +154,7 @@ func (api *FilterAPI) NewPendingTransactions(ctx context.Context, fullTx bool) (
 				// To keep the original behaviour, send a single tx hash in one notification.
 				// TODO(rjl493456442) Send a batch of tx hashes in one notification
 				for _, tx := range txs {
-					if fullTx {
+					if fullTx != nil && *fullTx {
 						notifier.Notify(rpcSub.ID, tx)
 					} else {
 						notifier.Notify(rpcSub.ID, tx.Hash())

ethclient/gethclient/gethclient.go

@@ -182,7 +182,7 @@ func (ec *Client) SubscribePendingTransactions(ctx context.Context, ch chan<- *t
 
 // SubscribePendingTransactionHashes subscribes to new pending transaction hashes.
 func (ec *Client) SubscribePendingTransactionHashes(ctx context.Context, ch chan<- common.Hash) (*rpc.ClientSubscription, error) {
-	return ec.c.EthSubscribe(ctx, ch, "newPendingTransactions", false)
+	return ec.c.EthSubscribe(ctx, ch, "newPendingTransactions")
 }
 
 func toBlockNumArg(number *big.Int) string {