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[taler-docs] branch master updated: DD 38.
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gnunet |
Subject: |
[taler-docs] branch master updated: DD 38. |
Date: |
Tue, 21 Mar 2023 17:47:52 +0100 |
This is an automated email from the git hooks/post-receive script.
ms pushed a commit to branch master
in repository docs.
The following commit(s) were added to refs/heads/master by this push:
new 2ff6b62 DD 38.
2ff6b62 is described below
commit 2ff6b62b66024f9e43d7cbae5e8405b7b8ba8404
Author: ms <ms@taler.net>
AuthorDate: Tue Mar 21 17:46:38 2023 +0100
DD 38.
Framing the current implementation with the
design described in the document.
---
.../038-demobanks-protocol-suppliers.rst | 62 +++++++++++++++++++++-
1 file changed, 60 insertions(+), 2 deletions(-)
diff --git a/design-documents/038-demobanks-protocol-suppliers.rst
b/design-documents/038-demobanks-protocol-suppliers.rst
index 3b62d53..f4523d2 100644
--- a/design-documents/038-demobanks-protocol-suppliers.rst
+++ b/design-documents/038-demobanks-protocol-suppliers.rst
@@ -85,10 +85,68 @@ doesn't respect this `mutual exclusivity
<demobank-mutually-exclusive_>`_.
3. A XML-based protocol that lets user access their bank accounts
always under the 'default' demobank belongs to this category. It
-is a dynamic supplier with static demobank. Note: this is the case
-of EBICS access offered in LibEuFin 0.9.2.
+is a dynamic supplier with static demobank.
Supplier reachability
=====================
Each supplier must be available under its own URI.
+
+
+Current protocol suppliers design
+=================================
+
+Static X-LIBEUFIN-BANK with dynamic demobank
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+The ``x-libeufin-bank`` protocol supplier is reachable under
+``/demobanks/{demobankName}/access-api/``. As the path suggests,
+it offers banking operations via the :doc:`Access API </core/api-bank-access>`.
+It is static in the sense that it's not possible to assign a name
+to one particular x-libeufin-bank protocol supplier. On the other
+hand, the demobank is dynamic because can be specified along the path
+in the ``demobankName`` placeholder.
+
+Dynamic EBICS supplier with dynamic demobank
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Every protocol supplier of this type is reachable under ``POST /ebicsweb``
+and by specifying its EBICS host name inside the EBICS message.
+
+As of the internal representation, Sandbox keeps a database table called
+``EbicsHostsTable`` that does **not** point at any demobank. Such table
+is the one that provides the bank's EBICS private keys and has **no** business
+implications.
+
+CCT (Payment initiations)
+-------------------------
+
+This handler gets the bank account directly from the IBAN that was
+carried along the pain.001, therefore -- as long as every IBAN is
+unique -- this works with **any** demobank that hosts such IBAN. The
+EBICS subscriber public keys are extracted differently: they come from
+the tuple [userID, partnerID, systemID?] held in the request. Hence as
+long as such tuple is unique for each subscriber (Sandbox checks that),
+even the subscriber public keys are found regardless of the demobank name.
+
+.. note::
+
+ The 'context' object found via the [userID, partnerID, systemID?] tuple
+ has **also** a reference to the bank account. The consistency with the
+ other bank account reference returned by the IBAN is currently NOT checked.
+
+C52 (transactions report)
+-------------------------
+
+This handler gets the reference to the subscriber public keys and bank
+account via the [userID, partnerID, systemID?] tuple. It then uses
+this bank account label to find the transactions that belong to the
+subscriber that made the request.
+
+.. note::
+
+ The current implementation does NOT uses any demobank name along
+ the transactions research: only the bank account label. This can
+ lead to **ambiguity**, in case two different demobanks host respectively
+ one bank account under the same label. This is not possible however
+ in the current version, as Sandbox only admits one ``default`` demobank.
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