feat(contracts): add new adapter for lowdb to support browser env

cli/ts/sdk/index.ts

@@ -15,16 +15,11 @@ export {
   ContractStorage,
   EContracts,
   EMode,
-  PollFactory__factory as PollFactoryFactory,
-  MessageProcessorFactory__factory as MessageProcessorFactoryFactory,
-  TallyFactory__factory as TallyFactoryFactory,
-  MACI__factory as MACIFactory,
-  type MACI,
-  type EASGatekeeper,
   type IVerifyingKeyStruct,
-  type VkRegistry,
 } from "maci-contracts";
 
+export * from "maci-contracts/typechain-types";
+
 export { VerifyingKey, type IVkObjectParams } from "maci-domainobjs";
 
 export type {

contracts/tasks/helpers/ContractStorage.ts

@@ -1,6 +1,7 @@
 /* eslint-disable import/no-extraneous-dependencies, no-console */
 import low from "lowdb";
 import FileSync from "lowdb/adapters/FileSync";
+import LocalStorageSync from "lowdb/adapters/LocalStorage";
 
 import path from "path";
 
@@ -40,7 +41,11 @@ export class ContractStorage {
    * Initialize class properties only once
    */
   private constructor() {
-    this.db = low(new FileSync<TStorage>(path.resolve(__dirname, "..", "..", "./deployed-contracts.json")));
+    this.db = low(
+      typeof window !== "undefined"
+        ? new LocalStorageSync<TStorage>("deployed-contracts")
+        : new FileSync<TStorage>(path.resolve(__dirname, "..", "..", "./deployed-contracts.json")),
+    );
   }
 
   /**

contracts/tasks/helpers/Deployment.ts

@@ -3,6 +3,7 @@
 import { BaseContract, ContractFactory, Signer } from "ethers";
 import low from "lowdb";
 import FileSync from "lowdb/adapters/FileSync";
+import LocalStorageSync from "lowdb/adapters/LocalStorage";
 
 import path from "path";
 
@@ -63,7 +64,11 @@ export class Deployment {
       ["poll", []],
     ]);
     this.hre = hre;
-    this.config = low(new FileSync<TConfig>(path.resolve(__dirname, "..", "..", "./deploy-config.json")));
+    this.config = low(
+      typeof window !== "undefined"
+        ? new LocalStorageSync<TConfig>("deploy-config")
+        : new FileSync<TConfig>(path.resolve(__dirname, "..", "..", "./deploy-config.json")),
+    );
     this.storage = ContractStorage.getInstance();
   }
 

contracts/tsconfig.build.json

@@ -1,6 +1,7 @@
 {
   "extends": "../tsconfig.json",
   "compilerOptions": {
+    "lib": ["dom"],
     "outDir": "./build"
   },
   "include": ["./ts", "./scripts", "./typechain-types", "./tasks"],

contracts/tsconfig.json

@@ -1,6 +1,7 @@
 {
   "extends": "../tsconfig.json",
   "compilerOptions": {
+    "lib": ["dom"],
     "outDir": "./build"
   },
   "include": ["./ts", "./scripts", "./tests", "./typechain-types", "./tasks"],