Dev (#148)

Dev (#148)

* Add rpc token authenticate function (#135)

* Unify json response (#130)

* Unify gas-rate json response experimentally

* Unify block-height and is-mining

* Reuse duplicated code

* Don't ignore error check

* Unify get-block-by-height and get-block-transactions-count-by-height

* Unify net.go's json response (#136)

* Unify net.go's json response

* Add TODO

* Unify block-hash (#137)

* Support remote spend transaction (#139)

* Support remote spend transaction

* quick fix for snapshot key and a compile time error (#142)

* Bvm (#138)

* delete unused parameters from chain core

* add unit test for snapshot tree proto

* Add txfeed commands to cobra & Change accesstoken rpc to jsend format (#140)

* Add txfeed comands to cobra

* Change accesstoken rpc to jsend format

* Change accesstoken handler  from  "a" to "br"

* remove exp (#143)

* Multi account issue (#144)

* Support multi account issue asset

* Update main.go

* Add configure chain_id (#145)

* Update README.md (#147)

* Update README.md