bitcoind: fix tx event to include tx buffer
bitcoind: fix tx event to include tx buffer

kleetus/bitcore-node,kleetus/bitcore-node,snogcel/bitcore-node-dash,zcoinrocks/bitcore-node,snogcel/bitcore-node-dash,braydonf/bitcore-node,zcoinrocks/bitcore-node,braydonf/bitcore-node