From 1be923d1cfb6c618a759fb98adbfb37185e3a71c Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Sat, 6 Jul 2019 22:15:22 -1100
Subject: [PATCH] NSPV_hdrhash

---
 src/komodo_nSPV.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/komodo_nSPV.h b/src/komodo_nSPV.h
index 31756881f..2bc3dacc3 100644
--- a/src/komodo_nSPV.h
+++ b/src/komodo_nSPV.h
@@ -385,6 +385,13 @@ uint256 NSPV_doublesha256(uint8_t *data,int32_t datalen)
     return(hash);
 }
 
+uint256 NSPV_hdrhash(struct NSPV_equihdr *hdr)
+{
+    uint8_t data[sizeof(*hdr)]; uint16_t hdrsize = sizeof(*hdr);
+    iguana_rwequihdrvec(1,data,&hdrsize,&hdr)
+    return(NSPV_doublesha256(data,sizeof(*hdr)));
+}
+
 int32_t NSPV_txextract(CTransaction &tx,uint8_t *data,int32_t datalen)
 {
     std::vector<uint8_t> rawdata;