feat: import delegate statement from safe (#447)

Author: wa0x6e

src/lib/importer/statement/provider/index.ts

@@ -1,9 +1,11 @@
 import agora from './agora';
 import karmahq from './karmahq';
+import safe from './safe';
 import tally from './tally';
 
 export const PROVIDERS = {
   tally,
   karmahq,
-  agora
+  agora,
+  safe
 };

src/lib/importer/statement/provider/safe.ts

@@ -0,0 +1,27 @@
+import snapshot from '@snapshot-labs/snapshot.js';
+import { Provider } from './Provider';
+
+export default class Safe extends Provider {
+  static readonly MAPPING = {
+    's:safe.eth': 'https://safe-claiming-app-data.safe.global/guardians/guardians.json'
+  };
+
+  static readonly ID = 'safe';
+
+  async _fetch() {
+    const results = await snapshot.utils.getJSON(Safe.MAPPING[this.spaceId]);
+
+    const delegates = results.map((result: any) => {
+      return this.formatDelegate({
+        delegate: result.address,
+        statement: `${result.reason}\n\n${result.contribution}`.trim()
+      });
+    });
+
+    await this.afterFetchPage(0, delegates);
+  }
+
+  getId(): string {
+    return Safe.ID;
+  }
+}