[@kadena/graph] Enable other accounts to act as gas payers in the simulation (Feat)

.changeset/fifty-phones-float.md

@@ -0,0 +1,5 @@
+---
+'@kadena/graph': patch
+---
+
+Enabled option for different gas payers in simulation

packages/apps/graph/README.md

@@ -36,7 +36,9 @@ pnpm build --filter @kadena/graph...
 
 2. Start devnet:
 
-   > **NOTE:** This project has a built-in command to create and start devnet. For the full guide visit the quickstart page on the documentation website [here](https://docs.kadena.io/build/quickstart).
+   > **NOTE:** This project has a built-in command to create and start devnet.
+   > For the full guide visit the quickstart page on the documentation website
+   > [here](https://docs.kadena.io/build/quickstart).
 
    ```sh
    pnpm run devnet
@@ -51,8 +53,7 @@ pnpm build --filter @kadena/graph...
    the image by adding `--pull=always` after `docker run` in the `devnet`
    script.
 
-   If something goes wrong, you can delete the volume, and try to
-   start again:
+   If something goes wrong, you can delete the volume, and try to start again:
 
    ```sh
    docker volume rm kadena_devnet
@@ -120,10 +121,10 @@ transactions are different, with different amounts and to and from different
 chains. The new number is generated using the previous one as seed.
 
 ```sh
-npm run simulate -- -a <numberOfAccounts> -i <timeInterval> -t <maxAmount> -tp <tokenPool> -s <seed>
+npm run simulate -a <numberOfAccounts> -i <timeInterval> -t <maxAmount> -tp <tokenPool> -s <seed>
 ```
 
-- accounts - number of accounts to be created in the devnet (default: 5)
+- numberOfAccounts - number of accounts to be created in the devnet (default: 6)
 - timeInterval - frequency of transactions in miliseconds (default: 100)
 - maxAmount - maximum amount for a single transaction (default: 25)
 - tokenPool - amount of circulating tokens (default: 1000000)

packages/apps/graph/src/devnet/crosschain-transfer.ts

@@ -74,13 +74,30 @@ export async function crossChainTransfer({
   from,
   to,
   amount,
+  gasPayer = sender00,
 }: {
   from: IAccount;
   to: IAccount;
   amount: number;
+  gasPayer?: IAccount;
 }): Promise<ICommandResult> {
+  // Gas Payer validations
+  if (gasPayer.chainId !== to.chainId) {
+    logger.info(
+      `Gas payer ${gasPayer.account} does not for sure have an account on the receiver chain; using sender00 as gas payer`,
+    );
+    gasPayer = sender00;
+  }
+
+  if (!gasPayer.secretKey) {
+    logger.info(
+      `Gas payer ${gasPayer.account} does not have a secret key; using sender00 as gas payer`,
+    );
+    gasPayer = sender00;
+  }
+
   logger.info(
-    `Crosschain Transfer from ${from.account}, chain ${from.chainId}\nTo ${to.account}, chain ${to.chainId}\nAmount: ${amount}`,
+    `Crosschain Transfer from ${from.account}, chain ${from.chainId}\nTo ${to.account}, chain ${to.chainId}\nAmount: ${amount}\nGas Payer: ${gasPayer.account}`,
   );
 
   const pactAmount = new PactNumber(amount).toPactDecimal();
@@ -113,9 +130,10 @@ export async function crossChainTransfer({
   const unsignedTx2 = finishInTheTargetChain(
     continuation,
     to.chainId || devnetConfig.CHAIN_ID,
+    gasPayer,
   );
 
-  const signedTx2 = signAndAssertTransaction([sender00])(unsignedTx2);
+  const signedTx2 = signAndAssertTransaction([gasPayer])(unsignedTx2);
   const submittedTx2 = await submit(signedTx2);
   inspect('Transfer Submited')(submittedTx2);
   const status2 = await listen(submittedTx2);

packages/apps/graph/src/devnet/simulation/simulate.ts

@@ -10,6 +10,7 @@ import {
   isEqualChainAccounts,
   logger,
   seedRandom,
+  sender00,
 } from '../helper';
 import { safeTransfer } from '../safe-transfer';
 import { transfer } from '../transfer';
@@ -23,8 +24,8 @@ const simualtionTransferOptions: TransferType[] = [
 ];
 
 export async function simulate({
-  numberOfAccounts = 2,
-  transferInterval = 1000,
+  numberOfAccounts = 6,
+  transferInterval = 100,
   maxAmount = 25,
   tokenPool = 1000000,
   seed = Date.now().toString(),
@@ -134,11 +135,17 @@ export async function simulate({
           continue;
         }
 
-        logger.info('Cross chain transfer', account, nextAccount);
+        // Get a random account to potentially pay for the gas
+        const possibleGasPayer = getRandomOption(seededRandomNo, accounts);
+
         result = await crossChainTransfer({
           from: account,
           to: nextAccount,
           amount,
+          gasPayer:
+            possibleGasPayer.chainId === nextAccount.chainId
+              ? possibleGasPayer
+              : sender00,
         });
       } else {
         // Make sure the chain id is the same if the transfer type is transfer or safe-transfer