add getEOSCurrencyBalance

Author: TerenceGe

README.org

@@ -98,6 +98,26 @@ bitportal.getEOSAccountInfo({
  // ...
 })
 #+END_SRC
+*** getEOSCurrencyBalance
+ + params
+ - account: string
+ - contract: string
+ + success return
+ - data: string[]
+ + error return
+ - error: object
+ - message: string
+example:
+#+BEGIN_SRC javascript
+bitportal.getEOSCurrencyBalance({
+ account: 'inita',
+ contract: 'eosio.token'
+}).then((data) => {
+ // ...
+}).catch((error) => {
+ // ...
+})
+#+END_SRC
 ** BitPortal related api
 *** getCurrentWallet
  + no params
@@ -106,7 +126,6 @@ bitportal.getEOSAccountInfo({
  - account: string
  - publicKey: string
  - permisssion: string
- - info: object (standard eos account info from eosjs)
  + error return
  - error: object
  - message: string