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-rw-r--r--src/util/hasher.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/util/hasher.h b/src/util/hasher.h
index 3d24a4d23c..426b8990e6 100644
--- a/src/util/hasher.h
+++ b/src/util/hasher.h
@@ -5,10 +5,16 @@
#ifndef BITCOIN_UTIL_HASHER_H
#define BITCOIN_UTIL_HASHER_H
+#include <crypto/common.h>
#include <crypto/siphash.h>
#include <primitives/transaction.h>
#include <uint256.h>
+#include <cstdint>
+#include <cstring>
+
+template <typename C> class Span;
+
class SaltedTxidHasher
{
private: