From 22388b5084002b7ee662c76976d5340185d55038 Mon Sep 17 00:00:00 2001
From: Prashant Bajpai <34747455+prashantasdeveloper@users.noreply.github.com>
Date: Wed, 7 Feb 2024 17:31:49 +0530
Subject: [PATCH] feat: add examples related to confidential assets

---
 package.json                                  |  21 ++-
 src/common/client.ts                          |  10 +-
 src/examples/addCAVenueFiltering.ts           |  59 +++++++++
 src/examples/addConfidentialTransaction.ts    |  58 +++++++++
 src/examples/affirmConfidentialTransaction.ts |  63 +++++++++
 src/examples/confidentialAssetDetails.ts      |  41 ++++++
 .../confidentialTransactionDetails.ts         |  48 +++++++
 .../createAndMintConfidentialAsset.ts         |  59 +++++++++
 src/examples/createConfidentialAccount.ts     |  31 +++++
 src/examples/createConfidentialVenue.ts       |  54 ++++++++
 .../executeConfidentialTransaction.ts         |  37 ++++++
 tsconfig.json                                 |   5 +-
 webpack.config.dev.js                         |  73 +++++++++++
 yarn.lock                                     | 122 +++---------------
 14 files changed, 573 insertions(+), 108 deletions(-)
 create mode 100644 src/examples/addCAVenueFiltering.ts
 create mode 100644 src/examples/addConfidentialTransaction.ts
 create mode 100644 src/examples/affirmConfidentialTransaction.ts
 create mode 100644 src/examples/confidentialAssetDetails.ts
 create mode 100644 src/examples/confidentialTransactionDetails.ts
 create mode 100644 src/examples/createAndMintConfidentialAsset.ts
 create mode 100644 src/examples/createConfidentialAccount.ts
 create mode 100644 src/examples/createConfidentialVenue.ts
 create mode 100644 src/examples/executeConfidentialTransaction.ts
 create mode 100644 webpack.config.dev.js

diff --git a/package.json b/package.json
index 5137353..3749024 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "@typescript-eslint/eslint-plugin": "6.5.0",
     "@typescript-eslint/parser": "6.5.0",
     "cross-env": "^7.0.3",
+    "@zerollup/ts-transform-paths": "^1.7.11",
     "cz-conventional-changelog": "^3.0.2",
     "eslint": "^8.48.0",
     "eslint-config-prettier": "^9.0.0",
@@ -53,10 +54,28 @@
   },
   "dependencies": {
     "@polymeshassociation/local-signing-manager": "^3.1.0",
-    "@polymeshassociation/polymesh-sdk": "23.0.0",
+    "@polymeshassociation/polymesh-sdk": "24.0.0-confidential-assets.1",
     "bluebird": "^3.7.2",
     "dotenv": "^16.0.3"
   },
+  "resolutions": {
+    "@polkadot/keyring": "12.4.2",
+    "@polkadot/api-augment": "10.9.1",
+    "@polkadot/api-base": "10.9.1",
+    "@polkadot/api-derive": "10.9.1",
+    "@polkadot/rpc-augment": "10.9.1",
+    "@polkadot/rpc-core": "10.9.1",
+    "@polkadot/rpc-provider": "10.9.1",
+    "@polkadot/types": "10.9.1",
+    "@polkadot/types-augment": "10.9.1",
+    "@polkadot/types-codec": "10.9.1",
+    "@polkadot/types-create": "10.9.1",
+    "@polkadot/types-known": "10.9.1",
+    "@polkadot/util": "12.4.2",
+    "@polkadot/networks": "12.4.2",
+    "@polkadot/util-crypto": "12.4.2",
+    "@polkadot/x-bigint": "12.4.2"
+  },
   "config": {
     "commitizen": {
       "path": "./node_modules/cz-conventional-changelog"
diff --git a/src/common/client.ts b/src/common/client.ts
index 2475ca8..e388106 100644
--- a/src/common/client.ts
+++ b/src/common/client.ts
@@ -15,11 +15,11 @@ export async function getClient(mnemonic?: string): Promise<Polymesh> {
     api = await Polymesh.connect({
       /* eslint-disable @typescript-eslint/no-non-null-assertion */
       nodeUrl: process.env.POLYMESH_NODE_URL!,
-      middlewareV2: {
-        link: process.env.MIDDLEWARE_LINK!,
-        key: process.env.MIDDLEWARE_KEY!,
-        /* eslint-enable @typescript-eslint/no-non-null-assertion */
-      },
+      // middlewareV2: {
+      //   link: process.env.MIDDLEWARE_LINK!,
+      //   key: process.env.MIDDLEWARE_KEY!,
+      //   /* eslint-enable @typescript-eslint/no-non-null-assertion */
+      // },
       signingManager: localSigningManager,
     });
   }
diff --git a/src/examples/addCAVenueFiltering.ts b/src/examples/addCAVenueFiltering.ts
new file mode 100644
index 0000000..f98b254
--- /dev/null
+++ b/src/examples/addCAVenueFiltering.ts
@@ -0,0 +1,59 @@
+import { BigNumber } from '@polymeshassociation/polymesh-sdk';
+import { ConfidentialAsset } from '@polymeshassociation/polymesh-sdk/types';
+
+import { getClient } from '~/common/client';
+import { toHumanObject } from '~/common/utils';
+
+/**
+ * Retrieves all relevant info about a venue filtering for an asset
+ */
+export async function getVenueFiltering(asset: ConfidentialAsset) {
+  console.log('\n----------------------------------------------------------------------\n');
+  console.log('\n💡 Fetching venue filtering details  : ');
+
+  const venueFilteringDetails = await asset.getVenueFilteringDetails();
+
+  console.log(
+    `\nℹ️ Venue Filtering details - ${JSON.stringify(toHumanObject(venueFilteringDetails))}`
+  );
+}
+
+/* 
+  This script showcases how to get a confidential asset instance with its ID and get all the relevant info about it
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const account = process.argv[2];
+  const assetId = process.argv[3];
+  const allowedVenue = process.argv[4];
+  if (!account || !process.env[account]) {
+    throw new Error('Please specify the account to be used to create the venue');
+  }
+  if (!assetId || !allowedVenue) {
+    throw new Error('Please specify asset ID and allowed Venue');
+  }
+  const api = await getClient(process.env[account]);
+
+  const signingIdentity = await api.getSigningIdentity();
+  if (!signingIdentity) {
+    throw new Error(`Account information not found for ${account}`);
+  }
+  console.log(
+    `\n💡 Enabling venue filtering for asset ID - ${assetId} and allowing venue - ${allowedVenue}`
+  );
+
+  const asset = await api.confidentialAssets.getConfidentialAsset({ id: assetId });
+
+  const setFilteringTx = await asset.setVenueFiltering({
+    enabled: true,
+    allowedVenues: [new BigNumber(allowedVenue)],
+  });
+
+  await setFilteringTx.run();
+
+  console.log(`\n✅ Venue filtering has been set for asset ID - ${asset.toHuman()}`);
+
+  await getVenueFiltering(asset);
+
+  await api.disconnect();
+})();
diff --git a/src/examples/addConfidentialTransaction.ts b/src/examples/addConfidentialTransaction.ts
new file mode 100644
index 0000000..46181a8
--- /dev/null
+++ b/src/examples/addConfidentialTransaction.ts
@@ -0,0 +1,58 @@
+import { BigNumber } from '@polymeshassociation/polymesh-sdk';
+
+import { getClient } from '~/common/client';
+import { getTransactionDetails } from '~/examples/confidentialTransactionDetails';
+
+/* 
+  This script showcases how to get a confidential asset instance with its ID and get all the relevant info about it
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const account = process.argv[2];
+  const sender = process.argv[3];
+  const receiver = process.argv[4];
+  const mediator = process.argv[5];
+  const venueId = process.argv[6];
+  const assetId = process.argv[7];
+  if (!account || !process.env[account]) {
+    throw new Error('Please specify the account to be used to create the venue');
+  }
+  if (!sender || !receiver || !mediator || !venueId) {
+    throw new Error('Please specify all the transaction details');
+  }
+
+  const api = await getClient(process.env[account]);
+
+  const signingIdentity = await api.getSigningIdentity();
+  if (!signingIdentity) {
+    throw new Error(`Account information not found for ${account}`);
+  }
+
+  console.log(
+    `\n💡 Creating a new confidential transaction using ${account} DID - ${signingIdentity.did}`
+  );
+
+  const venue = await api.confidentialSettlements.getVenue({ id: new BigNumber(venueId) });
+
+  const addTransactionTx = await venue.addTransaction({
+    legs: [
+      {
+        sender,
+        receiver,
+        auditors: [],
+        mediators: [mediator],
+        assets: [assetId],
+      },
+    ],
+  });
+
+  const createdTransaction = await addTransactionTx.run();
+
+  console.log(
+    `\n✅ New confidential transaction created with ID - ${createdTransaction.toHuman()}`
+  );
+
+  await getTransactionDetails(createdTransaction);
+
+  await api.disconnect();
+})();
diff --git a/src/examples/affirmConfidentialTransaction.ts b/src/examples/affirmConfidentialTransaction.ts
new file mode 100644
index 0000000..48d9e0a
--- /dev/null
+++ b/src/examples/affirmConfidentialTransaction.ts
@@ -0,0 +1,63 @@
+import { BigNumber } from '@polymeshassociation/polymesh-sdk';
+import {
+  AffirmConfidentialTransactionParams,
+  ConfidentialAffirmParty,
+} from '@polymeshassociation/polymesh-sdk/types';
+
+import { getClient } from '~/common/client';
+
+/* 
+  This script showcases affirming of confidential transaction
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const account = process.argv[2];
+  const transactionId = process.argv[3];
+  const legId = process.argv[4];
+  const party = process.argv[5] as ConfidentialAffirmParty;
+  const assetId = process.argv[6];
+  const proof = process.argv[7];
+
+  if (!account) {
+    throw new Error('Please specify both account and public key for creating confidential account');
+  }
+  const api = await getClient(process.env[account]);
+
+  const signingIdentity = await api.getSigningIdentity();
+  if (!signingIdentity) {
+    throw new Error(`Account information not found for ${account}`);
+  }
+
+  console.log(`\n💡 Affirming transaction ${transactionId} for ${party}`);
+
+  const transaction = await api.confidentialSettlements.getTransaction({
+    id: new BigNumber(transactionId),
+  });
+
+  let params: AffirmConfidentialTransactionParams;
+  if (party === ConfidentialAffirmParty.Sender) {
+    params = {
+      legId: new BigNumber(legId),
+      party,
+      proofs: [
+        {
+          asset: assetId,
+          proof,
+        },
+      ],
+    };
+  } else {
+    params = {
+      legId: new BigNumber(legId),
+      party,
+    };
+  }
+  const affirmTx = await transaction.affirmLeg(params);
+
+  await affirmTx.run();
+
+  console.log(`\n✅ Transaction ${transactionId} is now affirmed by ${party}`);
+
+  // await getTransactionDetails(transaction);
+  await api.disconnect();
+})();
diff --git a/src/examples/confidentialAssetDetails.ts b/src/examples/confidentialAssetDetails.ts
new file mode 100644
index 0000000..9f10590
--- /dev/null
+++ b/src/examples/confidentialAssetDetails.ts
@@ -0,0 +1,41 @@
+import { ConfidentialAsset } from '@polymeshassociation/polymesh-sdk/types';
+
+import { getClient } from '~/common/client';
+import { toHumanObject } from '~/common/utils';
+
+/**
+ * Retrieves all relevant info about a confidential asset
+ */
+export async function getConfidentialAssetDetails(asset: ConfidentialAsset) {
+  console.log('\n----------------------------------------------------------------------\n');
+  console.log('\n💡 Getting all the information about asset ID : ', asset.toHuman());
+
+  const [exists, details, auditorInfo, venueFilteringDetails] = await Promise.all([
+    asset.exists(),
+    asset.details(),
+    asset.getAuditors(),
+    asset.getVenueFilteringDetails(),
+  ]);
+
+  console.log('\nℹ️ Exists - ', exists);
+  console.log('\nℹ️ Details - ', toHumanObject(details));
+  console.log('\nℹ️ Auditors - ', toHumanObject(auditorInfo));
+  console.log('\nℹ️ Venue filtering details - ', toHumanObject(venueFilteringDetails));
+}
+/* 
+  This script showcases how to get a confidential asset instance with its ID and get all the relevant info about it
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const assetId = process.argv[2];
+  if (!assetId) {
+    throw new Error('Please specify asset ID to fetch the details');
+  }
+  const api = await getClient();
+
+  const asset = await api.confidentialAssets.getConfidentialAsset({ id: assetId });
+
+  await getConfidentialAssetDetails(asset);
+
+  await api.disconnect();
+})();
diff --git a/src/examples/confidentialTransactionDetails.ts b/src/examples/confidentialTransactionDetails.ts
new file mode 100644
index 0000000..47c8c24
--- /dev/null
+++ b/src/examples/confidentialTransactionDetails.ts
@@ -0,0 +1,48 @@
+import { BigNumber } from '@polymeshassociation/polymesh-sdk';
+import { ConfidentialTransaction } from '@polymeshassociation/polymesh-sdk/types';
+
+import { getClient } from '~/common/client';
+import { toHumanObject } from '~/common/utils';
+
+/**
+ * Retrieves all relevant info about a confidential transaction
+ */
+export async function getTransactionDetails(transaction: ConfidentialTransaction) {
+  console.log('\n----------------------------------------------------------------------\n');
+  console.log('\n💡 Getting info about confidential transaction : ', transaction.toHuman());
+
+  const [exists, details, legs, involvedParties, legStates, pendingAffirmCount] = await Promise.all(
+    [
+      transaction.exists(),
+      transaction.details(),
+      transaction.getLegs(),
+      transaction.getInvolvedParties(),
+      transaction.getLegStates(),
+      transaction.getPendingAffirmsCount(),
+    ]
+  );
+
+  console.log('\nℹ️ Exists - ', exists);
+  console.log('\nℹ️ Details - ', toHumanObject(details));
+  console.log('\nℹ️ Legs - ', toHumanObject(legs));
+  console.log('\nℹ️ Involved Parties - ', toHumanObject(involvedParties));
+  console.log('\nℹ️ Leg states - ', toHumanObject(legStates));
+  console.log('\nℹ️ Pending Affirmations - ', toHumanObject(pendingAffirmCount));
+}
+/* 
+  This script showcases how to get a confidential asset instance with its ID and get all the relevant info about it
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const id = process.argv[2];
+  if (!id) {
+    throw new Error('Please specify asset ID to fetch the details');
+  }
+  const api = await getClient();
+
+  const transaction = await api.confidentialSettlements.getTransaction({ id: new BigNumber(id) });
+
+  await getTransactionDetails(transaction);
+
+  await api.disconnect();
+})();
diff --git a/src/examples/createAndMintConfidentialAsset.ts b/src/examples/createAndMintConfidentialAsset.ts
new file mode 100644
index 0000000..3a63a07
--- /dev/null
+++ b/src/examples/createAndMintConfidentialAsset.ts
@@ -0,0 +1,59 @@
+import { BigNumber } from '@polymeshassociation/polymesh-sdk';
+
+import { getClient } from '~/common/client';
+import { getConfidentialAssetDetails } from '~/examples/confidentialAssetDetails';
+
+/* 
+  This script showcases Confidential Asset related functionality. It:
+    - it will create a new asset 
+    - mint into given account
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const account = process.argv[2];
+  const ticker = process.argv[3];
+  const auditor = process.argv[4];
+  const owner = process.argv[5];
+  if (!account || !ticker || !auditor) {
+    throw new Error('Please specify the account, ticker, auditor for creating confidential asset');
+  }
+  const api = await getClient(process.env[account]);
+
+  const signingIdentity = await api.getSigningIdentity();
+  if (!signingIdentity) {
+    throw new Error(`Account information not found for ${account}`);
+  }
+  console.log(
+    `\n💡 Creating a new confidential asset with ticker ${ticker} for ${account} DID - ${signingIdentity.did}`
+  );
+
+  const createTx = await api.confidentialAssets.createConfidentialAsset({
+    ticker,
+    data: 'Some Random Data',
+    auditors: [auditor],
+  });
+
+  const createdConfidentialAsset = await createTx.run();
+
+  console.log(`\n✅ New confidential asset created with ID - ${createdConfidentialAsset.id}`);
+
+  await getConfidentialAssetDetails(createdConfidentialAsset);
+
+  console.log('\n----------------------------------------------------------------------\n');
+
+  console.log('\n💡 Minting some assets : ');
+
+  const amount = new BigNumber(10000);
+  const issueTx = await createdConfidentialAsset.issue({
+    account: owner,
+    amount,
+  });
+
+  await issueTx.run();
+
+  console.log(
+    `\n✅ Minted a total of ${amount.toString()} assets with ID - ${createdConfidentialAsset.id}`
+  );
+
+  await api.disconnect();
+})();
diff --git a/src/examples/createConfidentialAccount.ts b/src/examples/createConfidentialAccount.ts
new file mode 100644
index 0000000..d361f40
--- /dev/null
+++ b/src/examples/createConfidentialAccount.ts
@@ -0,0 +1,31 @@
+import { getClient } from '~/common/client';
+
+/* 
+  This script showcases Confidential Account related functionality. It:
+    - it will add a public key to a given account 
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const account = process.argv[2];
+  const publicKey = process.argv[3];
+  if (!account || !publicKey) {
+    throw new Error('Please specify both account and public key for creating confidential account');
+  }
+  const api = await getClient(process.env[account]);
+
+  const signingIdentity = await api.getSigningIdentity();
+  if (!signingIdentity) {
+    throw new Error(`Account information not found for ${account}`);
+  }
+  console.log(`\n💡 Adding a public key - ${publicKey} to ${account} DID - ${signingIdentity.did}`);
+
+  const createTx = await api.confidentialAccounts.createConfidentialAccount({ publicKey });
+
+  const createdConfidentialAccount = await createTx.run();
+
+  console.log(
+    `\n✅ New confidential account created with key ${createdConfidentialAccount.publicKey}`
+  );
+
+  await api.disconnect();
+})();
diff --git a/src/examples/createConfidentialVenue.ts b/src/examples/createConfidentialVenue.ts
new file mode 100644
index 0000000..0f09092
--- /dev/null
+++ b/src/examples/createConfidentialVenue.ts
@@ -0,0 +1,54 @@
+import { ConfidentialVenue } from '@polymeshassociation/polymesh-sdk/types';
+
+import { getClient } from '~/common/client';
+import { toHumanObject } from '~/common/utils';
+
+/**
+ * Retrieves all relevant info about a confidential venue
+ */
+export async function getVenueDetails(venue: ConfidentialVenue) {
+  console.log('\n----------------------------------------------------------------------\n');
+  console.log('\n💡 Getting all the information about the newly created venue : ');
+
+  const [exists, creator, transactions] = await Promise.all([
+    venue.exists(),
+    venue.creator(),
+    venue.getTransactions(),
+  ]);
+
+  console.log('\nℹ️ Exists - ', exists);
+  console.log('\nℹ️ Creator - ', creator.toHuman());
+  console.log('\nℹ️ Transactions - ', toHumanObject(transactions));
+}
+
+/* 
+  This script showcases how to get a confidential asset instance with its ID and get all the relevant info about it
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const account = process.argv[2];
+  if (!account || !process.env[account]) {
+    throw new Error('Please specify the account to be used to create the venue');
+  }
+  const api = await getClient(process.env[account]);
+
+  const signingIdentity = await api.getSigningIdentity();
+  if (!signingIdentity) {
+    throw new Error(`Account information not found for ${account}`);
+  }
+  console.log(
+    `\n💡 Creating a new confidential venue using ${account} DID - ${signingIdentity.did}`
+  );
+
+  const createVenueTx = await api.confidentialSettlements.createVenue();
+
+  const createdConfidentialVenue = await createVenueTx.run();
+
+  console.log(
+    `\n✅ New confidential venue created with ID - ${createdConfidentialVenue.toHuman()}`
+  );
+
+  await getVenueDetails(createdConfidentialVenue);
+
+  await api.disconnect();
+})();
diff --git a/src/examples/executeConfidentialTransaction.ts b/src/examples/executeConfidentialTransaction.ts
new file mode 100644
index 0000000..7408af0
--- /dev/null
+++ b/src/examples/executeConfidentialTransaction.ts
@@ -0,0 +1,37 @@
+import { BigNumber } from '@polymeshassociation/polymesh-sdk';
+
+import { getClient } from '~/common/client';
+
+/* 
+  This script showcases affirming of confidential transaction
+*/
+(async (): Promise<void> => {
+  console.log('Connecting to the node...\n');
+  const account = process.argv[2];
+  const transactionId = process.argv[3];
+
+  if (!account) {
+    throw new Error('Please specify both account and public key for creating confidential account');
+  }
+  const api = await getClient(process.env[account]);
+
+  const signingIdentity = await api.getSigningIdentity();
+  if (!signingIdentity) {
+    throw new Error(`Account information not found for ${account}`);
+  }
+
+  console.log(`\n💡 Executing transaction ${transactionId}`);
+
+  const transaction = await api.confidentialSettlements.getTransaction({
+    id: new BigNumber(transactionId),
+  });
+
+  const executeTx = await transaction.execute();
+
+  await executeTx.run();
+
+  console.log(`\n✅ Transaction ${transactionId} is now executed`);
+
+  // await getTransactionDetails(transaction);
+  await api.disconnect();
+})();
diff --git a/tsconfig.json b/tsconfig.json
index 2f04fb9..dac0551 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,6 +12,9 @@
         "exclude": ["*"]
       }
     ],
+    "useUnknownInCatchVariables": false,
+    "noImplicitOverride": true,
+    "moduleResolution": "node",
     "target": "es6",
     "module": "commonjs",
     "declaration": true,
@@ -19,8 +22,8 @@
     "sourceMap": true,
     "strict": true,
     "esModuleInterop": true,
-    "skipLibCheck": true,
     "resolveJsonModule": true,
+    "skipLibCheck": true,
     "lib": ["es2017", "dom"],
     "typeRoots": ["./node_modules/@types", "./src/typings"]
   },
diff --git a/webpack.config.dev.js b/webpack.config.dev.js
new file mode 100644
index 0000000..125c999
--- /dev/null
+++ b/webpack.config.dev.js
@@ -0,0 +1,73 @@
+/* eslint-disable */
+const path = require('path');
+const fs = require('fs');
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');
+const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
+
+const SANDBOX_FILE_NAME = 'sandbox.ts';
+
+const sandboxFilePath = path.resolve(`./${SANDBOX_FILE_NAME}`);
+const webpack = require('webpack');
+
+if (!fs.existsSync(sandboxFilePath)) {
+  fs.writeFileSync(
+    sandboxFilePath,
+    "import { Polymesh } from './src/Polymesh';\r\n\r\n/**\r\n * Polymesh SDK connection\r\n */\r\nasync function run(): Promise<void> {\r\n  await Polymesh.connect({\r\n    nodeUrl: 'ws://78.47.38.110:9944',\r\n  });\r\n}\r\n\r\nrun();"
+  );
+}
+
+const devConfig = {
+  devtool: 'cheap-module-source-map',
+  entry: ['babel-polyfill', path.resolve(__dirname, SANDBOX_FILE_NAME)],
+  mode: 'development',
+  module: {
+    rules: [
+      {
+        test: /\.ts$/,
+        loader: 'ts-loader',
+        options: {
+          configFile: 'tsconfig.dev.json',
+        },
+      },
+    ],
+  },
+
+  devServer: {
+    // This is not written to the disk, but has to be named anyways
+    static: path.join(__dirname, 'dist'),
+    // Opens the browser when the watcher starts
+    open: true,
+    // No need for compression on development
+    compress: false,
+    port: process.env.PORT || 9000,
+  },
+  plugins: [
+    new HtmlWebpackPlugin({
+      title: 'Polymesh SDK - Sandbox',
+    }),
+    new CaseSensitivePathsPlugin(),
+    // Work around for Buffer is undefined:
+    // https://github.com/webpack/changelog-v5/issues/10
+    new webpack.ProvidePlugin({
+      Buffer: ['buffer', 'Buffer'],
+    }),
+  ],
+  output: {
+    pathinfo: true,
+    filename: 'devServer.js',
+    path: path.resolve(__dirname, 'dist'),
+    publicPath: '/',
+  },
+  resolve: {
+    extensions: ['.ts', '.js'],
+    plugins: [new TsconfigPathsPlugin()],
+    fallback: {
+      crypto: require.resolve('crypto-browserify'),
+      stream: require.resolve('stream-browserify'),
+      assert: require.resolve('assert/'),
+    },
+  },
+};
+
+module.exports = devConfig;
diff --git a/yarn.lock b/yarn.lock
index 0976b2a..7e5b497 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -901,23 +901,11 @@
   dependencies:
     "@noble/hashes" "1.3.1"
 
-"@noble/curves@^1.2.0":
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/@noble/curves/-/curves-1.2.0.tgz#92d7e12e4e49b23105a2555c6984d41733d65c35"
-  integrity sha512-oYclrNgRaM9SsBUBVbb8M6DTV7ZHRTKugureoYEncY5c65HOmRzvSiTE3y5CYaPYJA/GVkrhXEoF0M3Ya9PMnw==
-  dependencies:
-    "@noble/hashes" "1.3.2"
-
 "@noble/hashes@1.3.1":
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.3.1.tgz#8831ef002114670c603c458ab8b11328406953a9"
   integrity sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==
 
-"@noble/hashes@1.3.2", "@noble/hashes@^1.3.2":
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.3.2.tgz#6f26dbc8fbc7205873ce3cee2f690eba0d421b39"
-  integrity sha512-MVC8EAQp7MvEcm30KWENFjgR+Mkmf+D189XJTkFIlwohU5hcBbn1ZkKq7KVTi2Hme3PMGF390DaL52beVrIihQ==
-
 "@nodelib/fs.scandir@2.1.5":
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz#7619c2eb21b25483f6d167548b4cfd5a7488c3d5"
@@ -1300,16 +1288,16 @@
     rxjs "^7.8.1"
     tslib "^2.5.3"
 
-"@polkadot/keyring@^12.3.1":
-  version "12.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/keyring/-/keyring-12.5.1.tgz#2f38504aa915f54bbd265f3793a6be55010eb1f5"
-  integrity sha512-u6b+Q7wI6WY/vwmJS9uUHy/5hKZ226nTlVNmxjkj9GvrRsQvUSwS94163yHPJwiZJiIv5xK5m0rwCMyoYu+wjA==
+"@polkadot/keyring@12.4.2", "@polkadot/keyring@^12.3.1":
+  version "12.4.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/keyring/-/keyring-12.4.2.tgz#ff66c531ff29c1c9cb7c0f8411930bc18c76e2d3"
+  integrity sha512-VH91feSL6GiVVLcJ6V8h6jIAuq62bfvhM75AMcjTFol6MDqFl25jdjkHfZ2bQhig330LIhLw89nKdYr2/OfwjA==
   dependencies:
-    "@polkadot/util" "12.5.1"
-    "@polkadot/util-crypto" "12.5.1"
+    "@polkadot/util" "12.4.2"
+    "@polkadot/util-crypto" "12.4.2"
     tslib "^2.6.2"
 
-"@polkadot/networks@12.4.2":
+"@polkadot/networks@12.4.2", "@polkadot/networks@^12.3.1":
   version "12.4.2"
   resolved "https://registry.yarnpkg.com/@polkadot/networks/-/networks-12.4.2.tgz#6b3dcbdd016beb0ea585009fd61b048b99b17d1c"
   integrity sha512-dd7vss+86kpOyy/C+DuCWChGfhwHBHtrzJ9ArbbpY75qc8SqdP90lj/c13ZCHr5I1l+coy31gyyMj5i6ja1Dpg==
@@ -1318,15 +1306,6 @@
     "@substrate/ss58-registry" "^1.43.0"
     tslib "^2.6.2"
 
-"@polkadot/networks@12.5.1", "@polkadot/networks@^12.3.1":
-  version "12.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/networks/-/networks-12.5.1.tgz#685c69d24d78a64f4e750609af22678d57fe1192"
-  integrity sha512-PP6UUdzz6iHHZH4q96cUEhTcydHj16+61sqeaYEJSF6Q9iY+5WVWQ26+rdjmre/EBdrMQkSS/CKy73mO5z/JkQ==
-  dependencies:
-    "@polkadot/util" "12.5.1"
-    "@substrate/ss58-registry" "^1.43.0"
-    tslib "^2.6.2"
-
 "@polkadot/rpc-augment@10.9.1":
   version "10.9.1"
   resolved "https://registry.yarnpkg.com/@polkadot/rpc-augment/-/rpc-augment-10.9.1.tgz#214ec3ee145d20caa61ea204041a3aadb89c6b0f"
@@ -1432,7 +1411,7 @@
     rxjs "^7.8.1"
     tslib "^2.5.3"
 
-"@polkadot/util-crypto@12.4.2":
+"@polkadot/util-crypto@12.4.2", "@polkadot/util-crypto@^12.3.1":
   version "12.4.2"
   resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-12.4.2.tgz#e19258dab5f2d4fe49f2d074d36d33a445e50b74"
   integrity sha512-JP7OrEKYx35P3wWc2Iu9F6BfYMIkywXik908zQqPxwoQhr8uDLP1Qoyu9Sws+hE97Yz1O4jBVvryS2le0yusog==
@@ -1448,23 +1427,7 @@
     "@scure/base" "1.1.1"
     tslib "^2.6.2"
 
-"@polkadot/util-crypto@12.5.1", "@polkadot/util-crypto@^12.3.1":
-  version "12.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-12.5.1.tgz#1753b23abfb9d72db950399ef65b0cbe5bef9f2f"
-  integrity sha512-Y8ORbMcsM/VOqSG3DgqutRGQ8XXK+X9M3C8oOEI2Tji65ZsXbh9Yh+ryPLM0oBp/9vqOXjkLgZJbbVuQceOw0A==
-  dependencies:
-    "@noble/curves" "^1.2.0"
-    "@noble/hashes" "^1.3.2"
-    "@polkadot/networks" "12.5.1"
-    "@polkadot/util" "12.5.1"
-    "@polkadot/wasm-crypto" "^7.2.2"
-    "@polkadot/wasm-util" "^7.2.2"
-    "@polkadot/x-bigint" "12.5.1"
-    "@polkadot/x-randomvalues" "12.5.1"
-    "@scure/base" "^1.1.3"
-    tslib "^2.6.2"
-
-"@polkadot/util@12.4.2":
+"@polkadot/util@12.4.2", "@polkadot/util@^12.3.1":
   version "12.4.2"
   resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-12.4.2.tgz#65759f4b366c2a787fd21abacab8cf8ab1aebbf9"
   integrity sha512-NcTCbnIzMb/3TvJNEbaiu/9EvYIBuzDwZfqQ4hzL0GAptkF8aDkKMDCfQ/j3FI38rR+VTPQHNky9fvWglGKGRw==
@@ -1477,19 +1440,6 @@
     bn.js "^5.2.1"
     tslib "^2.6.2"
 
-"@polkadot/util@12.5.1", "@polkadot/util@^12.3.1":
-  version "12.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-12.5.1.tgz#f4e7415600b013d3b69527aa88904acf085be3f5"
-  integrity sha512-fDBZL7D4/baMG09Qowseo884m3QBzErGkRWNBId1UjWR99kyex+cIY9fOSzmuQxo6nLdJlLHw1Nz2caN3+Bq0A==
-  dependencies:
-    "@polkadot/x-bigint" "12.5.1"
-    "@polkadot/x-global" "12.5.1"
-    "@polkadot/x-textdecoder" "12.5.1"
-    "@polkadot/x-textencoder" "12.5.1"
-    "@types/bn.js" "^5.1.1"
-    bn.js "^5.2.1"
-    tslib "^2.6.2"
-
 "@polkadot/wasm-bridge@7.2.2":
   version "7.2.2"
   resolved "https://registry.yarnpkg.com/@polkadot/wasm-bridge/-/wasm-bridge-7.2.2.tgz#957b82b17927fe080729e8930b5b5c554f77b8df"
@@ -1543,7 +1493,7 @@
   dependencies:
     tslib "^2.6.1"
 
-"@polkadot/x-bigint@12.4.2":
+"@polkadot/x-bigint@12.4.2", "@polkadot/x-bigint@^12.3.1":
   version "12.4.2"
   resolved "https://registry.yarnpkg.com/@polkadot/x-bigint/-/x-bigint-12.4.2.tgz#a63c9c926443231206726103d06c117ac2248de8"
   integrity sha512-VRbkhdIf7CyWiUSyHemYi2fFWjBetUGyqpzsIHEclmzvqhKPfs7Kd2ZRdoXKU5QM56eD0sV2pyJxL34dv36/rw==
@@ -1551,14 +1501,6 @@
     "@polkadot/x-global" "12.4.2"
     tslib "^2.6.2"
 
-"@polkadot/x-bigint@12.5.1", "@polkadot/x-bigint@^12.3.1":
-  version "12.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/x-bigint/-/x-bigint-12.5.1.tgz#0a6a3a34fae51468e7b02b42e0ff0747fd88a80a"
-  integrity sha512-Fw39eoN9v0sqxSzfSC5awaDVdzojIiE7d1hRSQgVSrES+8whWvtbYMR0qwbVhTuW7DvogHmye41P9xKMlXZysg==
-  dependencies:
-    "@polkadot/x-global" "12.5.1"
-    tslib "^2.6.2"
-
 "@polkadot/x-fetch@^12.3.1":
   version "12.5.1"
   resolved "https://registry.yarnpkg.com/@polkadot/x-fetch/-/x-fetch-12.5.1.tgz#41532d1324cef56a28c31490ac81062d487b16fb"
@@ -1590,14 +1532,6 @@
     "@polkadot/x-global" "12.4.2"
     tslib "^2.6.2"
 
-"@polkadot/x-randomvalues@12.5.1":
-  version "12.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/x-randomvalues/-/x-randomvalues-12.5.1.tgz#b30c6fa8749f5776f1d8a78b6edddb9b0f9c2853"
-  integrity sha512-UsMb1d+77EPNjW78BpHjZLIm4TaIpfqq89OhZP/6gDIoS2V9iE/AK3jOWKm1G7Y2F8XIoX1qzQpuMakjfagFoQ==
-  dependencies:
-    "@polkadot/x-global" "12.5.1"
-    tslib "^2.6.2"
-
 "@polkadot/x-textdecoder@12.4.2":
   version "12.4.2"
   resolved "https://registry.yarnpkg.com/@polkadot/x-textdecoder/-/x-textdecoder-12.4.2.tgz#fea941decbe32d24aa3f951a511bf576dc104826"
@@ -1606,14 +1540,6 @@
     "@polkadot/x-global" "12.4.2"
     tslib "^2.6.2"
 
-"@polkadot/x-textdecoder@12.5.1":
-  version "12.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/x-textdecoder/-/x-textdecoder-12.5.1.tgz#8d89d2b5efbffb2550a48f8afb4a834e1d8d4f6e"
-  integrity sha512-j2YZGWfwhMC8nHW3BXq10fAPY02ObLL/qoTjCMJ1Cmc/OGq18Ep7k9cXXbjFAq3wf3tUUewt/u/hStKCk3IvfQ==
-  dependencies:
-    "@polkadot/x-global" "12.5.1"
-    tslib "^2.6.2"
-
 "@polkadot/x-textencoder@12.4.2":
   version "12.4.2"
   resolved "https://registry.yarnpkg.com/@polkadot/x-textencoder/-/x-textencoder-12.4.2.tgz#a717fe2701ade5648600ff3a34d4d1224d916ee3"
@@ -1622,14 +1548,6 @@
     "@polkadot/x-global" "12.4.2"
     tslib "^2.6.2"
 
-"@polkadot/x-textencoder@12.5.1":
-  version "12.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/x-textencoder/-/x-textencoder-12.5.1.tgz#9104e37a60068df2fbf57c81a7ce48669430c76c"
-  integrity sha512-1JNNpOGb4wD+c7zFuOqjibl49LPnHNr4rj4s3WflLUIZvOMY6euoDuN3ISjQSHCLlVSoH0sOCWA3qXZU4bCTDQ==
-  dependencies:
-    "@polkadot/x-global" "12.5.1"
-    tslib "^2.6.2"
-
 "@polkadot/x-ws@^12.3.1":
   version "12.5.1"
   resolved "https://registry.yarnpkg.com/@polkadot/x-ws/-/x-ws-12.5.1.tgz#ff9fc78ef701e18d765443779ab95296a406138c"
@@ -1646,10 +1564,10 @@
   dependencies:
     "@polymeshassociation/signing-manager-types" "^3.2.0"
 
-"@polymeshassociation/polymesh-sdk@23.0.0":
-  version "23.0.0"
-  resolved "https://registry.yarnpkg.com/@polymeshassociation/polymesh-sdk/-/polymesh-sdk-23.0.0.tgz#1d73ac26d6117b9cf9543e7705695992cefd4305"
-  integrity sha512-rq6fnRN9gLMGrG8hz+gvtDJFloYKw8WlgoXzDZxeVSiGgGg3YSVWRge8WzfeTotHumS2qbfkWJK2HgFU6V5foA==
+"@polymeshassociation/polymesh-sdk@24.0.0-confidential-assets.1":
+  version "24.0.0-confidential-assets.1"
+  resolved "https://registry.yarnpkg.com/@polymeshassociation/polymesh-sdk/-/polymesh-sdk-24.0.0-confidential-assets.1.tgz#7f9a75033b406d0836c9728a41b7926c1e5b8f53"
+  integrity sha512-b7y3P+/sbwk3F861PnNL0ej3wegFmzh2KrZI4uWVOUdqTf+ymXA5BKp0LxDJUuFbH4Cmo0MRz2cxn91szRmmXA==
   dependencies:
     "@apollo/client" "^3.8.1"
     "@polkadot/api" "10.9.1"
@@ -1698,11 +1616,6 @@
   resolved "https://registry.yarnpkg.com/@scure/base/-/base-1.1.1.tgz#ebb651ee52ff84f420097055f4bf46cfba403938"
   integrity sha512-ZxOhsSyxYwLJj3pLZCefNitxsj093tb2vq90mp2txoYeBqbcjDjqFhyM8eUjq/uFm6zJ+mUuqxlS2FkuSY1MTA==
 
-"@scure/base@^1.1.3":
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/@scure/base/-/base-1.1.3.tgz#8584115565228290a6c6c4961973e0903bb3df2f"
-  integrity sha512-/+SgoRjLq7Xlf0CWuLHq2LUZeL/w65kfzAPG5NH9pcmBhs+nunQTn4gvdwgMTIXnt9b2C/1SeL2XiysZEyIC9Q==
-
 "@semantic-release/commit-analyzer@^9.0.2":
   version "9.0.2"
   resolved "https://registry.yarnpkg.com/@semantic-release/commit-analyzer/-/commit-analyzer-9.0.2.tgz#a78e54f9834193b55f1073fa6258eecc9a545e03"
@@ -2191,6 +2104,13 @@
   dependencies:
     resolve "^1.12.0"
 
+"@zerollup/ts-transform-paths@^1.7.11":
+  version "1.7.18"
+  resolved "https://registry.yarnpkg.com/@zerollup/ts-transform-paths/-/ts-transform-paths-1.7.18.tgz#72f705c66690879e51d53c73dc76c4e2518a8c50"
+  integrity sha512-YPVUxvWQVzRx1OBN0Pmkd58+R9FcfUJuwTaPUSoi5rKxuXMtxevTXdfi0w5mEaIH8b0DfL+wg0wFDHiJE+S2zA==
+  dependencies:
+    "@zerollup/ts-helpers" "^1.7.18"
+
 JSONStream@^1.0.4, JSONStream@^1.3.5:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.5.tgz#3208c1f08d3a4d99261ab64f92302bc15e111ca0"