Added actions to TransactionSimulator

Author: rpanic

packages/sequencer/src/settlement/transactions/MinaTransactionSender.ts

@@ -175,9 +175,9 @@ export class MinaTransactionSender {
       const waitInstruction: "sent" | "included" = waitOnStatus;
       const hash = await new Promise<TxSendResult<"sent" | "included">>(
         (resolve, reject) => {
-          txStatus.on(waitInstruction, (result) => {
-            log.info(`Tx ${result.hash} included`);
-            resolve(result);
+          txStatus.on(waitInstruction, (txSendResult) => {
+            log.info(`Tx ${txSendResult.hash} included`);
+            resolve(txSendResult);
           });
           txStatus.on("rejected", (error) => {
             reject(error);

packages/sequencer/src/settlement/transactions/MinaTransactionSimulator.ts

@@ -11,10 +11,14 @@ import {
   UInt32,
   Transaction,
 } from "o1js";
-import { ReturnType } from "@proto-kit/protocol";
+import {
+  ACTIONS_EMPTY_HASH,
+  MINA_EVENT_PREFIXES,
+  ReturnType,
+} from "@proto-kit/protocol";
 import { match } from "ts-pattern";
 import { inject, injectable } from "tsyringe";
-import { noop } from "@proto-kit/common";
+import { hashWithPrefix, noop, range } from "@proto-kit/common";
 
 import { distinctByPredicate } from "../../helpers/utils";
 import type { MinaBaseLayer } from "../../protocol/baselayer/MinaBaseLayer";
@@ -277,13 +281,32 @@ export class MinaTransactionSimulator {
       }).verificationKey = update.verificationKey.value;
     }
 
+    this.applyZkApp(account, au.body);
+  }
+
+  private applyZkApp(
+    account: Account,
+    { update, actions }: AccountUpdate["body"]
+  ) {
     if (account.zkapp !== undefined) {
       const { appState } = update;
       for (let i = 0; i < 8; i++) {
         if (appState[i].isSome.toBoolean()) {
           account.zkapp.appState[i] = appState[i].value;
         }
       }
+
+      if (actions.data.length > 0) {
+        // We don't care about the correct historical array, so we just
+        // populate the full array with the current value
+        const previousActionState =
+          account.zkapp.actionState.at(0) ?? ACTIONS_EMPTY_HASH;
+        const newActionsHash = hashWithPrefix(
+          MINA_EVENT_PREFIXES.sequenceEvents,
+          [previousActionState, actions.hash]
+        );
+        account.zkapp.actionState = range(0, 5).map(() => newActionsHash);
+      }
     }
   }
 }