updated readme

README.md

@@ -8,11 +8,15 @@ PLEASE submit an issue or pull request if you notice any bugs, security holes, o
 
 ### Description
 
-This gem is a wrapper for the [Kraken Digital Asset Trading Platform](https://www.kraken.com). 
+This gem is a wrapper for the [Kraken Digital Asset Trading Platform](https://www.kraken.com) API. Official documentation from Kraken can be found [here](https://www.kraken.com/help/api).
 
-The current version (0.2.0) can only be used to query public and private market data. Private data requires use of your account API keys.
+The current version (0.2.0) can be used to query public and private market data. Private data queries require use of your account API keys.
 
-Below are the instructions for installing and using the gem.
+### Pending Future Updates
+
+- Solid trade execution functionality
+- More comprehensive test suite for methods requiring authentication (using VCR perhaps)
+- More comprehensive documentation
 
 ## Installation
 
@@ -98,10 +102,91 @@ Get spread data for a given asset pair
 ```ruby
 spread = kraken.spread('LTCXRP')
 ```
+
+### Private Data Methods
+
+#### Balance
+
+Get account balance for each asset
+Note: Rates used for the floating valuation is the midpoint of the best bid and ask prices
+
+```ruby
+balance = kraken.balance
+```
+
+#### Trade Balance
+
+Get account trade balance
+
+```ruby
+trade_balance = kraken.trade_balance
+```
+
+#### Open Orders
+
+```ruby
+open_orders = kraken.open_orders
+```
+
+#### Query Orders
+
+See all orders
+
+```ruby
+orders = kraken.query_orders
+```
+
+#### Trades History
+
+Get array of all trades
+
+```ruby
+trades = kraken.trade_history
+```
+
+#### Query Trades
+
+**Input:** Comma delimited list of transaction (tx) ids
+
+```ruby
+trades = kraken.query_trades(tx_ids)
+```
+
+#### Open Positions
+
+**Input:** Comma delimited list of transaction (tx) ids
+
+```ruby
+positions = kraken.open_positions(tx_ids)
+```
+
+#### Ledgers Info
+
+```ruby
+ledgers = kraken.ledgers_info
+```
+
+#### Ledgers Info
+
+**Input:** Comma delimited list of ledger ids
+
+```ruby
+ledgers = kraken.query_ledgers(ledger_ids)
+```
+
+#### Trade Volume
+
+**Input:** Comma delimited list of asset pairs
+
+```ruby
+asset_pairs = 'XLTCXXDG, ZEURXXDG'
+volume = kraken.query_ledgers(asset_pairs)
+```
+
 ## Contributing
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
-5. Create new Pull Request
+5. Create new Pull Request