From 2721b16c465ed2d5197ebcf4c4c50f6b497e19b9 Mon Sep 17 00:00:00 2001
From: SChernykh <sergey.v.chernykh@gmail.com>
Date: Thu, 24 Nov 2022 08:04:53 +0100
Subject: [PATCH] Miner: fixed data race

---
 src/miner.cpp | 4 +++-
 src/miner.h   | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/miner.cpp b/src/miner.cpp
index b798277..ca083c4 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -41,12 +41,14 @@ Miner::Miner(p2pool* pool, uint32_t threads)
 	, m_startTimestamp(high_resolution_clock::now())
 	, m_nonce(0)
 	, m_nonceTimestamp(m_startTimestamp)
-	, m_extraNonce(static_cast<uint32_t>(pool->p2p_server()->get_random64()))
 	, m_totalHashes(0)
 	, m_sharesFound(0)
 	, m_job{}
 	, m_jobIndex{ 0 }
 {
+	std::random_device rd;
+	m_extraNonce = static_cast<uint32_t>(rd());
+
 	on_block(m_pool->block_template());
 
 	m_minerThreads.reserve(threads);
diff --git a/src/miner.h b/src/miner.h
index b82eee4..422e661 100644
--- a/src/miner.h
+++ b/src/miner.h
@@ -56,7 +56,7 @@ private:
 
 	std::atomic<uint32_t> m_nonce;
 	std::chrono::high_resolution_clock::time_point m_nonceTimestamp;
-	const uint32_t m_extraNonce;
+	uint32_t m_extraNonce;
 
 	std::atomic<uint64_t> m_totalHashes;
 	std::atomic<uint32_t> m_sharesFound;