diff --git a/CommonLibs/trx_rate_ctr.h b/CommonLibs/trx_rate_ctr.h
new file mode 100644
index 0000000..48131e7
--- /dev/null
+++ b/CommonLibs/trx_rate_ctr.h
@@ -0,0 +1,4 @@
+#pragma once
+
+struct trx_ctx;
+void trx_rate_ctr_init(void *ctx, struct trx_ctx* trx_ctx);