From d61dbb310995476ff977bb5da30d8f87dd161b6f Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Sat, 28 Mar 2015 16:51:54 +0100 Subject: fix use of struct TALER_WithdrawRequestPS --- src/include/taler_mintdb_plugin.h | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) (limited to 'src/include') diff --git a/src/include/taler_mintdb_plugin.h b/src/include/taler_mintdb_plugin.h index 18f3499f3..0cf8ba848 100644 --- a/src/include/taler_mintdb_plugin.h +++ b/src/include/taler_mintdb_plugin.h @@ -87,12 +87,32 @@ struct TALER_MINTDB_CollectableBlindcoin /** * Denomination key (which coin was generated). - * FIXME: we should probably instead have the - * AMOUNT *including* fee in what is being signed - * as well! */ struct TALER_DenominationPublicKey denom_pub; + /** + * Value of the coin being minted (matching the denomination key) + * plus the transaction fee. We include this in what is being + * signed so that we can verify a reserve's remaining total balance + * without needing to access the respective denomination key + * information each time. + */ + struct TALER_Amount amount_with_fee; + + /** + * Withdrawl fee charged by the mint. This must match the Mint's + * denomination key's withdrawl fee. If the client puts in an + * invalid withdrawl fee (too high or too low) that does not match + * the Mint's denomination key, the withdraw operation is invalid + * and will be rejected by the mint. The @e amount_with_fee minus + * the @e withdraw_fee is must match the value of the generated + * coin. We include this in what is being signed so that we can + * verify a mint's accounting without needing to access the + * respective denomination key information each time. + */ + struct TALER_Amount withdraw_fee; + + /** * Public key of the reserve that was drained. */ -- cgit v1.2.3