simplify add_transaction
simplify add_transaction

cryptapus/electrum,romanz/electrum,cryptapus/electrum,neocogent/electrum,pooler/electrum-ltc,pooler/electrum-ltc,kyuupichan/electrum,wakiyamap/electrum-mona,neocogent/electrum,spesmilo/electrum,wakiyamap/electrum-mona,fujicoin/electrum-fjc,pooler/electrum-ltc,romanz/electrum,spesmilo/electrum,wakiyamap/electrum-mona,cryptapus/electrum,vialectrum/vialectrum,asfin/electrum,kyuupichan/electrum,asfin/electrum,kyuupichan/electrum,vialectrum/vialectrum,neocogent/electrum,vialectrum/vialectrum,fujicoin/electrum-fjc,spesmilo/electrum,asfin/electrum,fujicoin/electrum-fjc,wakiyamap/electrum-mona,romanz/electrum,pooler/electrum-ltc,spesmilo/electrum