add fiat balance

app/javascript/__generated__/schema.graphql

@@ -1,5 +1,5 @@
 type Balance implements Node {
-  amount: Float!
+  amount: String!
   currency: Currency!
   id: ID!
 }
@@ -44,6 +44,54 @@ type Currency implements Node {
   name: String!
 }
 
+type FiatBalance implements Node {
+  amountCents: Int!
+  amountCurrency: String!
+  createdAt: ISO8601DateTime!
+  id: ID!
+  updatedAt: ISO8601DateTime!
+}
+
+"""
+The connection type for FiatBalance.
+"""
+type FiatBalanceConnection {
+  """
+  A list of edges.
+  """
+  edges: [FiatBalanceEdge]
+
+  """
+  A list of nodes.
+  """
+  nodes: [FiatBalance]
+
+  """
+  Information to aid in pagination.
+  """
+  pageInfo: PageInfo!
+}
+
+"""
+An edge in a connection.
+"""
+type FiatBalanceEdge {
+  """
+  A cursor for use in pagination.
+  """
+  cursor: String!
+
+  """
+  The item at the end of the edge.
+  """
+  node: FiatBalance
+}
+
+"""
+An ISO 8601-encoded datetime
+"""
+scalar ISO8601DateTime
+
 """
 An object with an ID.
 """
@@ -102,6 +150,27 @@ type Query {
     last: Int
   ): BalanceConnection!
   currentUser: User
+  fiatBalances(
+    """
+    Returns the elements in the list that come after the specified cursor.
+    """
+    after: String
+
+    """
+    Returns the elements in the list that come before the specified cursor.
+    """
+    before: String
+
+    """
+    Returns the first _n_ elements from the list.
+    """
+    first: Int
+
+    """
+    Returns the last _n_ elements from the list.
+    """
+    last: Int
+  ): FiatBalanceConnection!
 
   """
   Fetches an object given its ID.