From 2708b6f3bdd8b28bdd20423fec2fc2df366ea413 Mon Sep 17 00:00:00 2001
From: random-zebra <random.zebra@protonmail.com>
Date: Tue, 30 Apr 2019 11:54:20 +0200
Subject: [PATCH] [Consensus] Disable zerocoin minting in contextual check

---
 src/main.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index fbc37a767e395..84efeed240e37 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -967,6 +967,11 @@ bool CheckZerocoinMint(const uint256& txHash, const CTxOut& txout, CValidationSt
 
 bool ContextualCheckZerocoinMint(const CTransaction& tx, const PublicCoin& coin, const CBlockIndex* pindex)
 {
+    if (pindex->nHeight > Params().Zerocoin_Block_EndFakeSerial() && Params().NetworkID() != CBaseChainParams::TESTNET) {
+        // Zerocoin MINTs have been disabled
+        return error("%s: Mints disabled at height %d - unable to add pubcoin %s", __func__,
+                pindex->nHeight, coin.getValue().GetHex().substr(0, 10));
+    }
     if (pindex->nHeight >= Params().Zerocoin_Block_V2_Start() && Params().NetworkID() != CBaseChainParams::TESTNET) {
         //See if this coin has already been added to the blockchain
         uint256 txid;