usawa

commit 4a04d9a8bcbbbf56f984eb785247a08ff2dc39af
parent 8d67c75f187669a4f3e87a03b5738fcdad8c50bb
Author: lash <dev@holbrook.no>
Date:   Mon,  5 Jan 2026 17:25:27 +0100

Add ledger create cli tool

Diffstat:
M
dummy/setup.py
 | 
3
++-
M
dummy/usawa/ledger.py
 | 
4
++--
A
dummy/usawa/runnable/create.py
 | 
59
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
dummy/usawa/store.py
 | 
5
+++++

4 files changed, 68 insertions(+), 3 deletions(-)
diff --git a/dummy/setup.py b/dummy/setup.py
@@ -2,6 +2,7 @@ from setuptools import setup
 
 setup(
         install_requires=[
-            "wheepy[valkey]~=0.0.3"
+            "wheepy[valkey]~=0.0.3",
+            "confini~=0.6.5"
             ],
         )
diff --git a/dummy/usawa/ledger.py b/dummy/usawa/ledger.py
@@ -153,7 +153,7 @@ class Ledger:
     :todo: Add warnings for ignored parameters
     """
 
-    def __init__(self, unitindex, tree=None, acl=None, serial=0, base=DEFAULTPARENT, topic=None):
+    def __init__(self, unitindex, tree=None, acl=None, serial=0, base=DEFAULTPARENT, topic=None, src=None):
         self.uidx = unitindex
         self.sigs = {}
         self.entries = {}
@@ -161,7 +161,7 @@ class Ledger:
         self.tree = tree
         self.base = base
         self.base_serial = serial
-        self.src = None
+        self.src = src
         self.topic = topic
         self.acl = acl
         if self.topic == None:
diff --git a/dummy/usawa/runnable/create.py b/dummy/usawa/runnable/create.py
@@ -0,0 +1,59 @@
+import logging
+import urllib.parse
+
+from usawa import Ledger, DemoWallet, UnitIndex
+
+logging.basicConfig(level=logging.DEBUG)
+logg = logging.getLogger()
+
+
+def parse_topic(v):
+    topic = None
+    if len(v) > 2:
+        if v[:2] == '0x':
+            v = v[2:]
+    try:
+        bytes.fromhex(v)
+        topic = v
+    except ValueError:
+        if not isinstance(v, str):
+            raise ValueError('invalid topic')
+        topic = v.encode('utf-8').hex()
+
+    return topic
+
+
+def parse_unit(v):
+    if not isinstance(v, str):
+        raise ValueError('invalid unit string')
+    return v.upper()
+
+ 
+print("Creating new ledger")
+v = input("Topic: ")
+topic = None
+if len(v) > 0:
+    r = parse_topic(v)
+    topic = bytes.fromhex(r)
+logg.debug('topic {} -> {}'.format(v, topic))
+
+v = input("Default unit: (default: BTC)")
+if len(v) == 0:
+    v = 'BTC'
+unit = parse_unit(v)
+
+v = input("Unit decimals (default: 2):")
+if len(v) == 0:
+    v = 2
+dec = int(v)
+
+uidx = UnitIndex(unit, precision=dec)
+
+v = input("Source URI:")
+src = None
+if len(v) > 0:
+    o = urllib.parse.urlparse(v)
+    src = urllib.parse.urlunparse(o)
+
+ledger = Ledger(uidx, topic=topic, src=src)
+print(ledger.to_string())
diff --git a/dummy/usawa/store.py b/dummy/usawa/store.py
@@ -8,6 +8,7 @@ from .ledger import Ledger
 from .entry import Entry
 
 
+PFX_KEY = b'\x00'
 PFX_LEDGER = b'\x01'
 PFX_LEDGER_LOCK = b'\x02'
 PFX_ENTRY = b'\x04'
@@ -15,6 +16,10 @@ PFX_ENTRY = b'\x04'
 logg = logging.getLogger('usawa.store')
 
 
+def pfx_key():
+    return PFX_KEY
+
+
 def pfx_ledger_topic(topic):
     """Return ledger store prefix for topic.