Dynamically import crypto-specific packages (#232)

packages/paima-sdk/paima-crypto/src/algorand.ts

@@ -1,6 +1,4 @@
 import type { SignedTransaction, Transaction, SuggestedParams } from 'algosdk';
-import algosdk from 'algosdk';
-import nacl from 'tweetnacl';
 import { doLog, hexStringToUint8Array } from '@paima/utils';
 import web3UtilsPkg from 'web3-utils';
 import type { IVerify } from './IVerify';
@@ -17,19 +15,19 @@ export class AlgorandCrypto implements IVerify {
   ): Promise<boolean> => {
     try {
       const sig = Buffer.from(hexStringToUint8Array(signature));
-      const txn = this.buildAlgorandTransaction(userAddress, message);
+      const txn = await this.buildAlgorandTransaction(userAddress, message);
       const signedTx: SignedTransaction = {
         txn,
         sig,
       };
-      return await Promise.resolve(this.verifySignedTransaction(signedTx));
+      return await this.verifySignedTransaction(signedTx);
     } catch (err) {
       doLog(`[funnel] error verifying algorand signature: ${err}`);
       return await Promise.resolve(false);
     }
   };
 
-  buildAlgorandTransaction = (userAddress: string, message: string): Transaction => {
+  buildAlgorandTransaction = async (userAddress: string, message: string): Promise<Transaction> => {
     const hexMessage = web3UtilsPkg.utf8ToHex(message).slice(2);
     const msgArray = hexStringToUint8Array(hexMessage);
     const SUGGESTED_PARAMS: SuggestedParams = {
@@ -39,7 +37,8 @@ export class AlgorandCrypto implements IVerify {
       genesisID: 'mainnet-v1.0',
       genesisHash: 'wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=',
     };
-    return algosdk.makePaymentTxnWithSuggestedParams(
+    const { makePaymentTxnWithSuggestedParams } = await import('algosdk');
+    return makePaymentTxnWithSuggestedParams(
       userAddress,
       userAddress,
       0,
@@ -49,22 +48,25 @@ export class AlgorandCrypto implements IVerify {
     );
   };
 
-  verifySignedTransaction = (signedTransaction: SignedTransaction): boolean => {
+  verifySignedTransaction = async (signedTransaction: SignedTransaction): Promise<boolean> => {
     if (signedTransaction.sig === undefined) return false;
 
     const pkBytes = signedTransaction.txn.from.publicKey;
 
     const signatureBytes = new Uint8Array(signedTransaction.sig);
 
-    const transactionBytes = algosdk.encodeObj(signedTransaction.txn.get_obj_for_encoding());
+    const { encodeObj } = await import('algosdk');
+    const transactionBytes = encodeObj(signedTransaction.txn.get_obj_for_encoding());
     const messageBytes = new Uint8Array(transactionBytes.length + 2);
     messageBytes.set(Buffer.from('TX'));
     messageBytes.set(transactionBytes, 2);
 
-    return nacl.sign.detached.verify(messageBytes, signatureBytes, pkBytes);
+    const { sign } = await import('tweetnacl');
+    return sign.detached.verify(messageBytes, signatureBytes, pkBytes);
   };
 
-  decodeSignedTransaction = (signedTx: Uint8Array): SignedTransaction => {
-    return algosdk.decodeSignedTransaction(signedTx);
+  decodeSignedTransaction = async (signedTx: Uint8Array): Promise<SignedTransaction> => {
+    const { decodeSignedTransaction } = await import('algosdk');
+    return decodeSignedTransaction(signedTx);
   };
 }

packages/paima-sdk/paima-crypto/src/cardano.ts

@@ -1,4 +1,3 @@
-import verifyCardanoDataSignature from '@cardano-foundation/cardano-verify-datasignature';
 import { doLog } from '@paima/utils';
 import type { IVerify } from './IVerify';
 
@@ -17,6 +16,9 @@ export class CardanoCrypto implements IVerify {
       if (!signature || !key || remainder.length > 0) {
         return false;
       }
+      const { default: verifyCardanoDataSignature } = await import(
+        '@cardano-foundation/cardano-verify-datasignature'
+      );
       return verifyCardanoDataSignature(signature, key, message, userAddress);
     } catch (err) {
       doLog('[address-validator] error verifying cardano signature:', err);

packages/paima-sdk/paima-crypto/src/polkadot.ts

@@ -1,5 +1,3 @@
-import { cryptoWaitReady, decodeAddress, signatureVerify } from '@polkadot/util-crypto';
-import { u8aToHex } from '@polkadot/util';
 import { doLog } from '@paima/utils';
 import type { IVerify } from './IVerify';
 
@@ -14,6 +12,10 @@ export class PolkadotCrypto implements IVerify {
     signature: string
   ): Promise<boolean> => {
     try {
+      const { cryptoWaitReady, decodeAddress, signatureVerify } = await import(
+        '@polkadot/util-crypto'
+      );
+      const { u8aToHex } = await import('@polkadot/util');
       await cryptoWaitReady();
       const publicKey = decodeAddress(userAddress);
       const hexPublicKey = u8aToHex(publicKey);

packages/paima-sdk/paima-providers/src/algorand.ts

@@ -1,4 +1,4 @@
-import { PeraWalletConnect } from '@perawallet/connect';
+import type { PeraWalletConnect } from '@perawallet/connect';
 import type { ActiveConnection, GameInfo, IConnector, IProvider, UserSignature } from './IProvider';
 import { CryptoManager } from '@paima/crypto';
 import { uint8ArrayToHexString } from '@paima/utils';
@@ -44,6 +44,7 @@ export class AlgorandConnector implements IConnector<AlgorandApi> {
     if (name !== SupportedAlgorandWallets.PERA) {
       throw new UnsupportedWallet(`AlgorandProvider: unknown connection type ${name}`);
     }
+    const { PeraWalletConnect } = await import('@perawallet/connect');
     const peraWallet = new PeraWalletConnect();
     return await this.connectExternal(gameInfo, {
       metadata: {
@@ -89,7 +90,7 @@ export class AlgorandProvider implements IProvider<AlgorandApi> {
     return this.address;
   };
   signMessage = async (message: string): Promise<UserSignature> => {
-    const txn = CryptoManager.Algorand().buildAlgorandTransaction(this.getAddress(), message);
+    const txn = await CryptoManager.Algorand().buildAlgorandTransaction(this.getAddress(), message);
     const signerTx = {
       txn,
       signers: [this.getAddress()],
@@ -101,7 +102,7 @@ export class AlgorandProvider implements IProvider<AlgorandApi> {
         `[signMessageAlgorand] invalid number of signatures returned: ${signedTxs.length}`
       );
     }
-    const signedTx = CryptoManager.Algorand().decodeSignedTransaction(signedTxs[0]);
+    const signedTx = await CryptoManager.Algorand().decodeSignedTransaction(signedTxs[0]);
     const signature = signedTx.sig;
     if (!signature) {
       throw new ProviderApiError(`[signMessageAlgorand] signature missing in signed Tx`);

packages/paima-sdk/paima-providers/src/polkadot.ts

@@ -1,9 +1,3 @@
-import {
-  web3Accounts,
-  web3Enable,
-  web3FromAddress,
-  web3FromSource,
-} from '@polkadot/extension-dapp';
 import type { ActiveConnection, GameInfo, IConnector, IProvider, UserSignature } from './IProvider';
 import {
   ProviderApiError,
@@ -32,6 +26,7 @@ export class PolkadotConnector implements IConnector<PolkadotApi> {
     if (this.provider != null) {
       return this.provider;
     }
+    const { web3Accounts, web3Enable, web3FromAddress } = await import('@polkadot/extension-dapp');
     const extensions = await web3Enable(gameInfo.gameName);
     if (extensions.length === 0) {
       throw new WalletNotFound(`[polkadot] no extension detected`);
@@ -61,6 +56,8 @@ export class PolkadotConnector implements IConnector<PolkadotApi> {
       return this.provider;
     }
 
+    const { web3Enable, web3FromSource } = await import('@polkadot/extension-dapp');
+
     await web3Enable(gameInfo.gameName);
     try {
       const injector = await web3FromSource(name);