fix: workaround for slow arweave.createTransaction for bundled interactions

src/contract/HandlerBasedContract.ts

@@ -251,7 +251,14 @@ export class HandlerBasedContract<State> implements Contract<State> {
       ...options
     };
 
-    const interactionTx = await this.createInteraction(input, options.tags, emptyTransfer, options.strict, options.vrf);
+    const interactionTx = await this.createInteraction(
+      input,
+      options.tags,
+      emptyTransfer,
+      options.strict,
+      true,
+      options.vrf
+    );
 
     const response = await fetch(`${this._evaluationOptions.bundlerUrl}gateway/sequencer/register`, {
       method: 'POST',
@@ -280,7 +287,14 @@ export class HandlerBasedContract<State> implements Contract<State> {
     };
   }
 
-  private async createInteraction<Input>(input: Input, tags: Tags, transfer: ArTransfer, strict: boolean, vrf = false) {
+  private async createInteraction<Input>(
+    input: Input,
+    tags: Tags,
+    transfer: ArTransfer,
+    strict: boolean,
+    bundle = false,
+    vrf = false
+  ) {
     if (this._evaluationOptions.internalWrites) {
       // Call contract and verify if there are any internal writes:
       // 1. Evaluate current contract state
@@ -328,7 +342,8 @@ export class HandlerBasedContract<State> implements Contract<State> {
       input,
       tags,
       transfer.target,
-      transfer.winstonQty
+      transfer.winstonQty,
+      bundle
     );
     return interactionTx;
   }

src/legacy/create-tx.ts

@@ -11,7 +11,8 @@ export async function createTx(
   input: any,
   tags: { name: string; value: string }[],
   target = '',
-  winstonQty = '0'
+  winstonQty = '0',
+  bundle = false
 ): Promise<Transaction> {
   const options: Partial<CreateTransactionInterface> = {
     data: Math.random().toString().slice(-4)
@@ -24,6 +25,15 @@ export async function createTx(
     }
   }
 
+  // both reward and last_tx are irrelevant in case of interactions
+  // that are bundled. So to speed up the procees (and prevent the arweave-js
+  // from calling /tx_anchor and /price endpoints) - we're presetting theses
+  // values here
+  if (bundle) {
+    options.reward = '72600854';
+    options.last_tx = 'p7vc1iSP6bvH_fCeUFa9LqoV5qiyW-jdEKouAT0XMoSwrNraB9mgpi29Q10waEpO';
+  }
+
   const interactionTx = await arweave.createTransaction(options);
 
   if (!input) {