message: [Consensus] Disable zerocoin minting in contextual check
diff: @@ -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;
  