[spec] refs fibercrypto#10 - Add spec: DELETE /api/balances/{address}…

…/observation

spec.yml

@@ -51,4 +51,26 @@ paths:
                     description: Any non security sensitive data associated with wallet. This context will be passed to [POST] /api/transactions/*. Can be empty.
                     type: string
         default:
-          $ref : '#/components/schemas/genericError'
+          $ref : '#/components/schemas/genericError'
+
+  /api/balances/{address}/observation:
+    delete:
+      summary: Delete observation
+      description: Should forget the wallet address and stop observing its balance.
+
+      security:
+      - CsrfTokenAuth: []
+
+      parameters:
+        - name: address
+          in: path
+          required: true
+          description: Address of the wallet
+          schema:
+            type: string
+
+      responses:
+        '200':
+          description: DELETE is OK
+        default:
+          $ref: '#/components/schemas/genericError'