From ff81f8a28920e499b3511f96d14b7c6cb73f92fb Mon Sep 17 00:00:00 2001
From: Adu <foriteration@gmail.com>
Date: Thu, 30 Jun 2022 23:12:25 +0800
Subject: [PATCH] fix: Simulation is not deterministic due to GenSignedMockTx
 (#12374)

---
 test_helpers.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test_helpers.go b/test_helpers.go
index 4cdc47f3abad..84ab354dd1a7 100644
--- a/test_helpers.go
+++ b/test_helpers.go
@@ -3,7 +3,9 @@ package simapp
 import (
 	"context"
 	"encoding/json"
+	"math/rand"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/require"
 	abci "github.com/tendermint/tendermint/abci/types"
@@ -257,6 +259,7 @@ func SignCheckDeliver(
 	chainID string, accNums, accSeqs []uint64, expSimPass, expPass bool, priv ...cryptotypes.PrivKey,
 ) (sdk.GasInfo, *sdk.Result, error) {
 	tx, err := simtestutil.GenSignedMockTx(
+		rand.New(rand.NewSource(time.Now().UnixNano())),
 		txCfg,
 		msgs,
 		sdk.Coins{sdk.NewInt64Coin(sdk.DefaultBondDenom, 0)},
@@ -307,6 +310,7 @@ func GenSequenceOfTxs(txGen client.TxConfig, msgs []sdk.Msg, accNums []uint64, i
 	var err error
 	for i := 0; i < numToGenerate; i++ {
 		txs[i], err = simtestutil.GenSignedMockTx(
+			rand.New(rand.NewSource(time.Now().UnixNano())),
 			txGen,
 			msgs,
 			sdk.Coins{sdk.NewInt64Coin(sdk.DefaultBondDenom, 0)},