feat: 后端全量更新 - 含所有本次需求

- Contract.php: 返回合约账户余额(balance_contract)
- My.php: 地址管理增加BTC/ETH
- AppContract.php: 一键平仓(closeall)
- AppProxy.php: 代理专属注册链接 + 分级权限(L1/L2)
- site.php: 手续费减半(0.018→0.009)
- agent_permission_setup.sql: 代理权限SQL
- crypto_news_crawler.py: 新闻自动采集脚本

public/GoJS-master/extensionsTS/LinkShiftingScript.ts

@@ -0,0 +1,73 @@
+/*
+*  Copyright (C) 1998-2020 by Northwoods Software Corporation. All Rights Reserved.
+*/
+
+/*
+* This is an extension and not part of the main GoJS library.
+* Note that the API for this class may change with any version, even point releases.
+* If you intend to use an extension in production, you should copy the code to your own source directory.
+* Extensions can be found in the GoJS kit under the extensions or extensionsTS folders.
+* See the Extensions intro page (https://gojs.net/latest/intro/extensions.html) for more information.
+*/
+
+import * as go from '../release/go.js';
+import { LinkShiftingTool } from './LinkShiftingTool.js';
+
+export function init() {
+  if ((window as any).goSamples) (window as any).goSamples();  // init for these samples -- you don't need to call this
+
+  const $ = go.GraphObject.make;
+
+  const myDiagram =
+    $(go.Diagram, 'myDiagramDiv',
+      {
+        'undoManager.isEnabled': true
+      });
+  myDiagram.toolManager.mouseDownTools.add($(LinkShiftingTool));
+
+  myDiagram.nodeTemplate =
+    $(go.Node, 'Auto',
+      {
+        fromSpot: go.Spot.AllSides, toSpot: go.Spot.AllSides,
+        fromLinkable: true, toLinkable: true,
+        locationSpot: go.Spot.Center
+      },
+      new go.Binding('location', 'location', go.Point.parse).makeTwoWay(go.Point.stringify),
+      $(go.Shape, { fill: 'lightgray' }),
+      $(go.TextBlock, { margin: 10 },
+        { fromLinkable: false, toLinkable: false },
+        new go.Binding('text', 'key'))
+    );
+
+  myDiagram.linkTemplate =
+    $(go.Link,
+      {
+        reshapable: true, resegmentable: true,
+        relinkableFrom: true, relinkableTo: true,
+        adjusting: go.Link.Stretch
+      },
+      // remember the (potentially) user-modified route
+      new go.Binding('points').makeTwoWay(),
+      // remember any spots modified by LinkShiftingTool
+      new go.Binding('fromSpot', 'fromSpot', go.Spot.parse).makeTwoWay(go.Spot.stringify),
+      new go.Binding('toSpot', 'toSpot', go.Spot.parse).makeTwoWay(go.Spot.stringify),
+      $(go.Shape),
+      $(go.Shape, { toArrow: 'Standard' })
+    );
+
+  myDiagram.model = new go.GraphLinksModel([
+    { key: 'Alpha', location: '0 0' },
+    { key: 'Beta', location: '0 100' }
+  ], [
+    { from: 'Alpha', to: 'Beta' }
+  ]);
+
+  myDiagram.addDiagramListener('InitialLayoutCompleted', function (e: go.DiagramEvent) {
+    // select the Link in order to show its two additional Adornments, for shifting the ends
+    const firstlink = myDiagram.links.first();
+    if (firstlink !== null) firstlink.isSelected = true;
+  });
+
+  // Attach to the window for console manipulation
+  (window as any).myDiagram = myDiagram;
+}