usawa

commit fb90efce6f8ea5950fb6cb5bd952d5cd48a4fae2
parent 24247c8d31ef8e85ad3971d455c5fb27640bc395
Author: lash <dev@holbrook.no>
Date:   Thu, 15 Jan 2026 17:09:17 +0000

Use varints for running total allowing negative values

Diffstat:
A
.gitmodules
 | 
3
+++
A
dummy/aux/varints
 | 
1
+
M
dummy/setup.py
 | 
14
+++++++++++++-
M
dummy/usawa/ledger.py
 | 
10
+++++-----
M
dummy/usawa/runnable/add.py
 | 
2
+-

5 files changed, 23 insertions(+), 7 deletions(-)
diff --git a/.gitmodules b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "dummy/aux/varints"]
+	path = dummy/aux/varints
+	url = https://github.com/bright-tools/varints
diff --git a/dummy/aux/varints b/dummy/aux/varints
@@ -0,0 +1 @@
+Subproject commit 1c74efcfa6e0be9df9916717f863d391339a4c6a
diff --git a/dummy/setup.py b/dummy/setup.py
@@ -1,8 +1,20 @@
+import os
+
 from setuptools import setup
 
+script_dir = os.path.realpath(os.path.dirname(__file__))
+aux_dir = os.path.join(script_dir, 'aux')
+varints_dir = os.path.join(aux_dir, 'varints', 'varints')
+
+
 setup(
         install_requires=[
             "wheepy[valkey]~=0.0.3",
-            "confini~=0.6.5"
+            "confini~=0.6.5",
+            "lxml~=6.0.2",
+            "PyNaCl~=1.6.0",
+            "python-gnupg~=0.4.9",
+            "rencode~=1.0.8",
+            "varints@file://" + varints_dir,
             ],
         )
diff --git a/dummy/usawa/ledger.py b/dummy/usawa/ledger.py
@@ -6,6 +6,7 @@ import hashlib
 
 import lxml
 import rencode
+import varints.leb128s
 
 from .crypto import DemoWallet, ACL
 from .xml import nsmap, XML_FORMAT_VERSION
@@ -135,15 +136,14 @@ class RunningTotal:
 
 
     """
-    :todo: Use varint in serialization, consider leb128
     """
     def serialize(self):
         d = [
                 self.sym,
-                self.income.to_bytes(8, byteorder='big'),
-                self.expense.to_bytes(8, byteorder='big'),
-                self.asset.to_bytes(8, byteorder='big'),
-                self.liability.to_bytes(8, byteorder='big'),
+                varints.leb128s.encode(self.income),
+                varints.leb128s.encode(self.expense),
+                varints.leb128s.encode(self.asset),
+                varints.leb128s.encode(self.liability),
                 ]
         return rencode.dumps(d)
 
diff --git a/dummy/usawa/runnable/add.py b/dummy/usawa/runnable/add.py
@@ -174,7 +174,7 @@ if arg.i:
     ctx = do_interactive(ctx)
 
 ctx.validate()
-entry = Entry(ctx.part[0], ctx.part[1], ctx.unit, ledger.serial, dt, parent=ledger.current(), description=ctx.description, ref=ctx.ref)
+entry = Entry(ctx.part[0], ctx.part[1], ctx.unit, ledger.next_serial(), dt, parent=ledger.current(), description=ctx.description, ref=ctx.ref)
 entry.sign(wallet)
 store.add_entry(entry)
 ledger.add_entry(entry, modify_tree=True)