reserve fee added

lnbits/config.py

@@ -3,7 +3,7 @@ import json
 from os import getenv, path
 from typing import List, Optional
 
-from pydantic import BaseSettings, Field, validator
+from pydantic import BaseSettings, Field
 
 wallets_module = importlib.import_module("lnbits.wallets")
 wallet_class = getattr(    
@@ -30,6 +30,8 @@ class Settings(BaseSettings):
     data_folder: str = Field(default=None, env="LNBITS_DATA_FOLDER")
     database_url: str = Field(default=None, env="LNBITS_DATABASE_URL")
     force_https: bool = Field(default=True, env="LNBITS_FORCE_HTTPS")
+    reserve_fee_min: int = Field(default=4000, env="LNBITS_RESERVE_FEE_MIN")
+    reserve_fee_pct: float = Field(default=1.0, env="LNBITS_RESERVE_FEE_PERCENT")
     service_fee: float = Field(default=0, env="LNBITS_SERVICE_FEE")
     hide_api: bool = Field(default=False, env="LNBITS_HIDE_API")
     denomination: str = Field(default="sats", env="LNBITS_DENOMINATION")

lnbits/extensions/admin/migrations.py

@@ -32,6 +32,8 @@ async def m001_create_admin_table(db):
     data_folder = conf.data_folder
     database_url = conf.database_url
     force_https = conf.force_https
+    reserve_fee_min = conf.reserve_fee_min
+    reserve_fee_pct = conf.reserve_fee_pct
     service_fee = conf.service_fee
     hide_api = conf.hide_api
     denomination = conf.denomination
@@ -56,6 +58,8 @@ async def m001_create_admin_table(db):
             data_folder TEXT,
             database_url TEXT,
             force_https BOOLEAN,
+            reserve_fee_min INT,
+            reserve_fee_pct REAL,
             service_fee REAL,
             hide_api BOOLEAN,
             denomination TEXT,
@@ -81,6 +85,8 @@ async def m001_create_admin_table(db):
             data_folder,
             database_url,
             force_https,
+            reserve_fee_min,
+            reserve_fee_pct,
             service_fee,
             hide_api,
             denomination,
@@ -91,7 +97,7 @@ async def m001_create_admin_table(db):
             theme,
             custom_logo,
             ad_space)
-        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
         """,
         (
             user,
@@ -103,6 +109,8 @@ async def m001_create_admin_table(db):
             data_folder,
             database_url,
             force_https,
+            reserve_fee_min,
+            reserve_fee_pct,
             service_fee,
             hide_api,
             denomination,

lnbits/extensions/admin/models.py

@@ -14,6 +14,8 @@ class UpdateAdminSettings(BaseModel):
     funding_source: str = Query(None)
     # ops
     force_https: bool = Query(None)
+    reserve_fee_min: int = Query(None, ge=0)
+    reserve_fee_pct: float = Query(None, ge=0)
     service_fee: float = Query(None, ge=0)
     hide_api: bool = Query(None)
     # Change theme
@@ -38,7 +40,9 @@ class Admin(BaseModel):
     data_folder: Optional[str]
     database_url: Optional[str]
     force_https: bool = Field(default=True)
-    service_fee: float = Field(default=0)
+    reserve_fee_min: Optional[int]
+    reserve_fee_pct: Optional[float]
+    service_fee: float = Optional[float]
     hide_api: bool = Field(default=False)
     # Change theme
     site_title: Optional[str]

lnbits/extensions/admin/templates/admin/index.html

@@ -51,8 +51,12 @@
                 </div>
                 <div class="row q-col-gutter-md">
                   <div class="col-12 col-md-6">
+                    <div class="row">
+                      <div class="col-12">
                         <p>
-                      Active Funding<small> (Requires server restart)</small>
+                          Active Funding<small>
+                            (Requires server restart)</small
+                          >
                         </p>
                         <q-select
                           filled
@@ -62,6 +66,33 @@
                         ></q-select>
                         <br />
                       </div>
+                      <div class="col-12">
+                        <p>Minimum wallet reserve</p>
+                        <div class="row q-col-gutter-md">
+                          <div class="col-6">
+                            <q-input
+                              dense
+                              type="number"
+                              filled
+                              v-model="data.admin.reserve_fee_min"
+                              label="Reserve fee in msats"
+                            ></q-input>
+                          </div>
+                          <div class="col-6">
+                            <q-input
+                              dense
+                              type="number"
+                              filled
+                              v-model="data.admin.reserve_fee_pct"
+                              label="Reserve fee in percentage"
+                              step="0.1"
+                            ></q-input>
+                          </div>
+                        </div>
+                        <br />
+                      </div>
+                    </div>
+                  </div>
                   <div class="col-12 col-md-6">
                     <!-- <q-form @submit="topupWallet"> -->
                     <p>TopUp a wallet</p>
@@ -1292,6 +1323,8 @@
           disabled_ext,
           funding_source,
           force_https,
+          reserve_fee_min,
+          reserve_fee_pct,
           service_fee,
           hide_api,
           site_title,
@@ -1311,6 +1344,8 @@
           disabled_ext: disabled_ext.toString(),
           funding_source,
           force_https,
+          reserve_fee_min,
+          reserve_fee_pct,
           service_fee,
           hide_api,
           site_title,

lnbits/settings.py

@@ -1,6 +1,5 @@
 import importlib
 import subprocess
-from email.policy import default
 from os import path
 from typing import List