'.. http:get:: /wallets/(string:wallet identifier)/balance
A GET request to this endpoint will return balance information of a specific wallet.
**Example request**:
.. sourcecode:: none
curl -X GET http://localhost:8085/wallets/BTC/balance
**Example response**:
.. sourcecode:: javascript
"balance": {
"available": 0.000126,
"pending": 0.0,
"currency": "BTC"'

def render_GET(self, request):

    def on_balance(balance):
        request.write(json.dumps({'balance': balance}))
        request.finish()
    self.session.lm.market_community.wallets[self.identifier].get_balance().addCallback(on_balance)
    return NOT_DONE_YET
