fix warnings

2 files changed, 17 insertions, 6 deletions

diff --git a/libeufin/api-common.rst b/libeufin/api-common.rst
index 3bfb4572..83da130f 100644
--- a/libeufin/api-common.rst
+++ b/libeufin/api-common.rst
@@ -16,6 +16,18 @@ Contact details
 
 Phone numbers should start with the ``+`` symbol and the country code.
 
+Ratios and Fees
+^^^^^^^^^^^^^^^
+
+.. ts:def:: LibeufinNumber
+
+   type LibeufinNumber = number;
+
+**Note:** this quantity is normally enforced to have at most
+two decimal digits.  The reason is to preserve the 2-decimal
+digits policy of the `Amount` type, as `LibeufinNumber` is used
+to multiply `Amount`. 
+
 Amounts
 ^^^^^^^
 
diff --git a/libeufin/api-sandbox.rst b/libeufin/api-sandbox.rst
index 91cece91..847d2606 100644
--- a/libeufin/api-sandbox.rst
+++ b/libeufin/api-sandbox.rst
@@ -410,8 +410,7 @@ Cashouts
    :http:statuscode:`409 Conflict`:
      At least the following two cases are possible
      * an institutional user (``admin`` or ``bank``) tried the operation
-     * the user changed their cash-out address between the creation
-       and the confirmation of ``$cashoutId``.
+     * the user changed their cash-out address between the creation and the confirmation of ``$cashoutId``.
    :http:statuscode:`412 Precondition failed`:
      ``$cashoutId`` was already confirmed.
 
@@ -440,13 +439,13 @@ Cashouts
 
      interface RatiosAndFees {
        // Exchange rate to buy the circuit currency from fiat.
-       buy_at_ratio: float; 
+       buy_at_ratio: LibeufinNumber; 
        // Exchange rate to sell the circuit currency for fiat.
-       sell_at_ratio: float; 
+       sell_at_ratio: LibeufinNumber; 
        // Fee to subtract after applying the buy ratio.
-       buy_in_fee: float;
+       buy_in_fee: LibeufinNumber;
        // Fee to subtract after applying the sell ratio.
-       sell_out_fee: float;
+       sell_out_fee: LibeufinNumber;
      }