From 7107f1309d627dd90dc078225389b33323d02fa4 Mon Sep 17 00:00:00 2001
From: Maximilian Langenfeld <15726643+ezdac@users.noreply.github.com>
Date: Tue, 7 May 2024 11:48:18 +0200
Subject: [PATCH] Copy MultiGasPool in miner environment

---
 core/celo_multi_gaspool.go | 13 +++++++++++++
 miner/worker.go            |  3 +++
 2 files changed, 16 insertions(+)

diff --git a/core/celo_multi_gaspool.go b/core/celo_multi_gaspool.go
index db8c7e8425..2f64cef4d8 100644
--- a/core/celo_multi_gaspool.go
+++ b/core/celo_multi_gaspool.go
@@ -64,3 +64,16 @@ func (mgp MultiGasPool) GetPool(c *FeeCurrency) *GasPool {
 	// pools have been created already in the constructor.
 	return mgp.getOrInitPool(*c, nil)
 }
+
+func (mgp MultiGasPool) Copy() *MultiGasPool {
+	pools := make(map[FeeCurrency]*GasPool, len(mgp.pools))
+	for fc, gp := range mgp.pools {
+		gpCpy := *gp
+		pools[fc] = &gpCpy
+	}
+	return &MultiGasPool{
+		pools:         pools,
+		blockGasLimit: mgp.blockGasLimit,
+		defaultLimit:  mgp.defaultLimit,
+	}
+}
diff --git a/miner/worker.go b/miner/worker.go
index a5dc2b7b66..ba62d8949a 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -114,6 +114,9 @@ func (env *environment) copy() *environment {
 		gasPool := *env.gasPool
 		cpy.gasPool = &gasPool
 	}
+	if env.multiGasPool != nil {
+		cpy.multiGasPool = env.multiGasPool.Copy()
+	}
 	cpy.txs = make([]*types.Transaction, len(env.txs))
 	copy(cpy.txs, env.txs)