test existing addresses do not get rewinded on scan error
test existing addresses do not get rewinded on scan error

bitpay/bitcore,matiu/bitcore-wallet-service,troggy/bitcore-wallet-service,matiu/bitcore-wallet-service,bitjson/bitcore,troggy/bitcore-wallet-service,martindale/bitcore,bitpay/bitcore,cmgustavo/bitcore-wallet-service,bitjson/bitcore,cmgustavo/bitcore-wallet-service,bitjson/bitcore,martindale/bitcore,martindale/bitcore,bitpay/bitcore-wallet-service,janko33bd/bitcore-wallet-service,martindale/bitcore,bitpay/bitcore-wallet-service,bitjson/bitcore,bitpay/bitcore,bitpay/bitcore,janko33bd/bitcore-wallet-service