From 1e89e9fe114f0edb9f32ce8cc9a8b8ae3513ed77 Mon Sep 17 00:00:00 2001
From: Darren Kelly <darren.kelly@vechain.org>
Date: Tue, 14 Jan 2025 10:40:19 +0000
Subject: [PATCH] feat(txpool): limit non-executables

---
 txpool/tx_pool_test.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/txpool/tx_pool_test.go b/txpool/tx_pool_test.go
index 73fe7db0a..8d931d017 100644
--- a/txpool/tx_pool_test.go
+++ b/txpool/tx_pool_test.go
@@ -9,6 +9,7 @@ import (
 	"crypto/rand"
 	"encoding/hex"
 	"fmt"
+	"github.com/vechain/thor/v2/test/datagen"
 	"math/big"
 	"net/http"
 	"net/http/httptest"
@@ -661,3 +662,20 @@ func TestAddOverPendingCost(t *testing.T) {
 	err = pool.Add(newDelegatedTx(pool.repo.ChainTag(), nil, 21000, tx.BlockRef{}, 100, nil, devAccounts[8], devAccounts[2]))
 	assert.EqualError(t, err, "tx rejected: insufficient energy for overall pending cost")
 }
+
+func TestNonExecutables(t *testing.T) {
+	pool := newPool(100, 1000)
+
+	nonExistentID := datagen.RandomHash()
+	nonExecutables := make([]*tx.Transaction, 0)
+	for i := 0; i < 100; i++ {
+		trx := newTx(pool.repo.ChainTag(), nil, 21000, tx.BlockRef{}, 100, &nonExistentID, tx.Features(0), genesis.DevAccounts()[1])
+		nonExecutables = append(nonExecutables, trx)
+	}
+	for _, trx := range nonExecutables {
+		assert.NoError(t, pool.Add(trx))
+	}
+
+	executable := newTx(pool.repo.ChainTag(), nil, 21000, tx.BlockRef{}, 100, nil, tx.Features(0), genesis.DevAccounts()[1])
+	assert.NoError(t, pool.Add(executable))
+}