feat(flag proposal): add actions for flagging proposals (#903)

* feat(flag proposal): add actions for flagging proposals

* fix(sign): add timestamp to the message

* fix(flag proposal): removes redundant adding timestamp check in function

Author: Todmy

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@snapshot-labs/snapshot.js",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "repository": "snapshot-labs/snapshot.js",
   "license": "MIT",
   "main": "dist/snapshot.cjs.js",

src/sign/index.ts

@@ -6,6 +6,7 @@ import {
   Space,
   Proposal,
   UpdateProposal,
+  FlagProposal,
   CancelProposal,
   Vote,
   Follow,
@@ -19,6 +20,7 @@ import {
   spaceTypes,
   proposalTypes,
   updateProposalTypes,
+  flagProposalTypes,
   cancelProposalTypes,
   cancelProposal2Types,
   voteTypes,
@@ -121,6 +123,14 @@ export default class Client {
     return await this.sign(web3, address, message, updateProposalTypes);
   }
 
+  async flagProposal(
+    web3: Web3Provider | Wallet,
+    address: string,
+    message: FlagProposal
+  ) {
+    return await this.sign(web3, address, message, flagProposalTypes);
+  }
+
   async cancelProposal(
     web3: Web3Provider | Wallet,
     address: string,

src/sign/types.json

@@ -5,6 +5,7 @@
   "9ff8af4cfb586e2c7962d792b99328fb47e8a4e73cc89873c0980484bc1063a5": "delete-proposal",
   "734df82cdad586386defa4cb55adda7cb1b2a56929c4e6c3dc676f9901947288": "delete-proposal",
   "4e5fa89616761defa1274103441809c8445f8404306890ad36ec653d90201d58": "update-proposal",
+  "4bbf83a627c4afc26a1b9490127c1712d844fb0806131ee9860e7b298b0a828e": "flag-proposal",
   "50084aae0fe117c83ddf855557dde35ae2872e9045443a15f72aa6c68ea3943b": "vote",
   "1dfe3863f6333a85581fb150d4ee77c95a6d026c518ca1b11c08ae1d98acd598": "vote-array",
   "1814c3dd303c5919ce488b924f92b9a42a0834972f514e55b1879fda48e67736": "vote-string",

src/sign/types.ts

@@ -42,6 +42,13 @@ export interface UpdateProposal {
   plugins: string;
 }
 
+export interface FlagProposal {
+  from: string;
+  space: string;
+  proposal: string;
+  timestamp?: number;
+}
+
 export interface CancelProposal {
   from?: string;
   space: string;
@@ -154,6 +161,15 @@ export const updateProposalTypes = {
   ]
 };
 
+export const flagProposalTypes = {
+  FlagProposal: [
+    { name: 'from', type: 'address' },
+    { name: 'space', type: 'string' },
+    { name: 'proposal', type: 'string' },
+    { name: 'timestamp', type: 'uint64' }
+  ]
+};
+
 export const cancelProposalTypes = {
   CancelProposal: [
     { name: 'from', type: 'address' },