feat: 83 add cosmos service: add query and tx clients

.env

@@ -8,6 +8,15 @@
 # link: https://create-react-app.dev/docs/adding-custom-environment-variables/#expanding-environment-variables-in-env
 REACT_APP__APP_VERSION=$npm_package_version
 
+# disable source-maps. @cosmjs packages do not publish source code on npm
+# so attempting to generate them will cause hundreds of errorrs.
+GENERATE_SOURCEMAP=false
+
+# Chain Info
+REACT_APP__RPC_API=http://localhost:26657
+REACT_APP__REST_API=http://localhost:1317
+REACT_APP__WEBSOCKET_URL=ws://localhost:26657/websocket
+
 # Contract Info
 REACT_APP__CHAIN_ID=31337
 REACT_APP__CONTRACT_ADDRESS__DUALITY_CORE=0xCf7Ed3AccA5a467e9e704C703E8D87F634fB0Fc9

package.json

@@ -7,13 +7,17 @@
     "build": "react-scripts build",
     "test": "react-scripts test",
     "lint": "eslint .",
-    "prepare": "husky install"
+    "prepare": "husky install",
+    "update": "sh ./scripts/update-generated-files.sh"
   },
   "engines": {
     "node": "^16.14.2",
     "npm": "^8.5.0"
   },
   "dependencies": {
+    "@cosmjs/launchpad": "^0.27.1",
+    "@cosmjs/proto-signing": "^0.27.1",
+    "@cosmjs/stargate": "^0.27.1",
     "@floating-ui/react-dom": "^0.6.3",
     "@reach/dialog": "^0.17.0",
     "buffer": "^6.0.3",
@@ -25,6 +29,11 @@
     "react-router-dom": "^6.3.0",
     "web-vitals": "^2.1.4"
   },
+  "peerDependencies": {
+    "crypto": "npm:crypto-browserify@^3.12.0",
+    "path": "npm:path-browserify@^1.0.1",
+    "stream": "npm:stream-browserify@3.0.0"
+  },
   "devDependencies": {
     "@testing-library/jest-dom": "^5.16.4",
     "@testing-library/react": "^13.3.0",

scripts/update-generated-files.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# use provided source path or a default
+DUALITY_CORE_DIRECTORY="${1:-"../duality"}"
+
+# copy type files
+cp -r "$DUALITY_CORE_DIRECTORY/vue/src/store/generated/duality/duality.duality/module/types" \
+      "src/lib/web3/generated/duality/duality.duality/module"
+
+# copy REST API file
+cp -r "$DUALITY_CORE_DIRECTORY/vue/src/store/generated/duality/duality.duality/module/rest.ts" \
+      "src/lib/web3/generated/duality/duality.duality/module/rest.ts"
+
+# copy version info
+cp -r "$DUALITY_CORE_DIRECTORY/vue/src/store/generated/duality/duality.duality/package.json" \
+      "src/lib/web3/generated/duality/duality.duality/package.json"
+
+# copy readme info
+cp -r "$DUALITY_CORE_DIRECTORY/vue/src/store/generated/readme.md" \
+      "src/lib/web3/generated/readme.md"

src/lib/web3/api.ts

@@ -0,0 +1,72 @@
+// This file is modified from an original generated/duality/duality.duality/module/index.ts file
+//
+// This file will not auto generate changes:
+// if new Msgs are created they should be added to the txClient below
+
+import { StdFee } from '@cosmjs/launchpad';
+import { defaultRegistryTypes, SigningStargateClient } from '@cosmjs/stargate';
+import { Registry, OfflineSigner, EncodeObject } from '@cosmjs/proto-signing';
+import { Api } from './generated/duality/duality.duality/module/rest';
+import {
+  MsgWithdrawShares,
+  MsgDepositShares,
+} from './generated/duality/duality.duality/module/types/duality/tx';
+
+const { REACT_APP__RPC_API = '', REACT_APP__REST_API = '' } = process.env;
+
+export const MissingWalletError = new Error('wallet is required');
+
+export const registry = new Registry(defaultRegistryTypes);
+
+// -----> register our Msgs here
+registry.register('/duality.duality.MsgDepositShares', MsgDepositShares);
+registry.register('/duality.duality.MsgWithdrawShares', MsgWithdrawShares);
+
+interface TxClientOptions {
+  addr?: string;
+}
+
+interface SignAndBroadcastOptions {
+  fee?: StdFee | 'auto' | number;
+  memo?: string;
+}
+
+const txClient = async (
+  wallet: OfflineSigner,
+  { addr = REACT_APP__RPC_API }: TxClientOptions = {}
+) => {
+  if (!wallet) throw MissingWalletError;
+  const client = addr
+    ? await SigningStargateClient.connectWithSigner(addr, wallet, { registry })
+    : await SigningStargateClient.offline(wallet, { registry });
+  const { address } = (await wallet.getAccounts())[0];
+
+  return {
+    signAndBroadcast: (
+      msgs: EncodeObject[],
+      { fee = 'auto', memo }: SignAndBroadcastOptions = {}
+    ) => client.signAndBroadcast(address, msgs, fee, memo),
+
+    // -----> register our Msg client methods here
+    msgWithdrawShares: (data: MsgWithdrawShares): EncodeObject => ({
+      typeUrl: '/duality.duality.MsgWithdrawShares',
+      value: MsgWithdrawShares.fromPartial(data),
+    }),
+    msgDepositShares: (data: MsgDepositShares): EncodeObject => ({
+      typeUrl: '/duality.duality.MsgDepositShares',
+      value: MsgDepositShares.fromPartial(data),
+    }),
+  };
+};
+
+interface QueryClientOptions {
+  addr?: string;
+}
+
+const queryClient = async ({
+  addr = REACT_APP__REST_API,
+}: QueryClientOptions = {}) => {
+  return new Api({ baseUrl: addr });
+};
+
+export { txClient, queryClient };