commit 2433c7e9446bd1be2339e01bb0b8360cbf18e6e1
parent 06665cc8f0f638ac77290e4a8d91b5d969c4bd3b
Author: Özgür Kesim <oec-taler@kesim.org>
Date: Tue, 22 Apr 2025 09:41:24 +0200
[dd:pq-refresh] fixing typos, extending schema
Diffstat:
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/design-documents/062-pq-refresh.rst b/design-documents/062-pq-refresh.rst
@@ -95,7 +95,7 @@ published.
- Client chooses a master seed r and derives κ nonces r_1, ... r_κ.
- Client generates, using RefreshDeriveBatch, κ*n blinded coin planchets
- m[1][1],...,m[1][n],...,m[κ][1],..,m[κ][n] from the seeds.
+ m[1][1],...,m[1][n],...,m[κ][1],..,m[κ][n] from the nonces.
- Sends dirty coin, r, all m[i][j] and new denom-info pkD[] to the exchange,
with signature σ_c of the dirty coins' private key over the request.
- Exchange verifies the request.
@@ -130,7 +130,7 @@ Database Changes
^^^^^^^^^^^^^^^^
Not taking sharding and coinstraints into account, the table layout will look
-basically like this:
+basically like this (names might change):
.. table:: SQL table layout for refresh
:align: left
@@ -139,14 +139,16 @@ basically like this:
Field Type Description
============== ============ ================================================
refresh_id BIGINT autoincremented identity of the record
- h_planchets BYTEA the value h_m above, serving as primary key
+ rc BYTEA refresh commitment (h_m), serving as primary key
timestamp INT8 execution date of the refresh
amount taler_amount amount with fee of the refresh
- old_coin_pub BYTEA the old coin's public key
+ old_coin_pub BYTEA old coin's public key
old_coin_sig BYTEA old coin's signature over the refresh request
+ old_age_com_h BYTEA old coin's hash of age commitment, if applicable
noreveal_index SMALLINT the γ for cut-and-choose, chosen by the exchange
h_blind_evs BYTEA[] the blinded coin evelopes, i.e. (many) m_γ above
- r_nonce BYTEA the master seed for the refresh, the r above
+ refresh_seed BYTEA the master seed for the refresh, the r above
+ blinding_seed BYTEA the seed for nonces needed for CS singatures
denom_serials INT8[] the row ID's of the denominations in the DB
denom_sigs BYTEA[] the denom signatures for each h_blind_evs
============== ============ ================================================
