Merge remote-tracking branch 'zcash/master' into rebase2

# Conflicts:
#	.travis.yml
#	Makefile.am
#	README.md
#	configure.ac
#	depends/Makefile
#	depends/builders/darwin.mk
#	depends/funcs.mk
#	depends/hosts/darwin.mk
#	depends/packages/googlemock.mk
#	depends/packages/googletest.mk
#	depends/packages/libsnark.mk
#	depends/packages/libsodium.mk
#	depends/packages/packages.mk
#	depends/packages/rust.mk
#	src/Makefile.am
#	src/Makefile.gtest.include
#	src/chainparams.cpp
#	src/chainparams.h
#	src/checkpoints.h
#	src/clientversion.h
#	src/coins.cpp
#	src/consensus/consensus.h
#	src/gtest/test_mempool.cpp
#	src/httprpc.cpp
#	src/init.cpp
#	src/komodo-tx.cpp
#	src/main.cpp
#	src/miner.cpp
#	src/policy/fees.cpp
#	src/policy/fees.h
#	src/rpcmining.cpp
#	src/rpcrawtransaction.cpp
#	src/rpcserver.cpp
#	src/test/policyestimator_tests.cpp
#	src/test/rpc_wallet_tests.cpp
#	src/test/transaction_tests.cpp
#	src/txdb.cpp
#	src/txmempool.cpp
#	src/wallet/asyncrpcoperation_sendmany.cpp
#	src/wallet/rpcwallet.cpp
#	src/wallet/wallet.cpp
#	src/wallet/wallet.h
#	src/zcash/CreateJoinSplit.cpp
#	zcutil/build.sh

src/chainparams.h

@@ -7,7 +7,6 @@
 #define BITCOIN_CHAINPARAMS_H
 
 #include "chainparamsbase.h"
-#include "checkpoints.h"
 #include "consensus/params.h"
 #include "primitives/block.h"
 #include "protocol.h"
@@ -26,6 +25,14 @@ struct SeedSpec6 {
     uint16_t port;
 };
 
+typedef std::map<int, uint256> MapCheckpoints;
+
+struct CCheckpointData {
+    MapCheckpoints mapCheckpoints;
+    int64_t nTimeLastCheckpoint;
+    int64_t nTransactionsLastCheckpoint;
+    double fTransactionsPerDay;
+};
 
 /**
  * CChainParams defines various tweakable parameters of a given instance of the
@@ -46,6 +53,7 @@ public:
 
         ZCPAYMENT_ADDRRESS,
         ZCSPENDING_KEY,
+        ZCVIEWING_KEY,
 
         MAX_BASE58_TYPES
     };
@@ -55,8 +63,6 @@ public:
     const std::vector<unsigned char>& AlertKey() const { return vAlertPubKey; }
     int GetDefaultPort() const { return nDefaultPort; }
 
-    /** Used if GenerateBitcoins is called with a negative number of threads */
-    int DefaultMinerThreads() const { return nMinerThreads; }
     const CBlock& GenesisBlock() const { return genesis; }
     /** Make miner wait to have peers to avoid wasting work */
     bool MiningRequiresPeers() const { return fMiningRequiresPeers; }
@@ -78,7 +84,7 @@ public:
     const std::vector<CDNSSeedData>& DNSSeeds() const { return vSeeds; }
     const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; }
     const std::vector<SeedSpec6>& FixedSeeds() const { return vFixedSeeds; }
-    const Checkpoints::CCheckpointData& Checkpoints() const { return checkpointData; }
+    const CCheckpointData& Checkpoints() const { return checkpointData; }
     /** Return the founder's reward address and script for a given block height */
     std::string GetFoundersRewardAddressAtHeight(int height) const;
     CScript GetFoundersRewardScriptAtHeight(int height) const;
@@ -103,6 +109,7 @@ protected:
      //! Raw pub key bytes for the broadcast alert signing key.
     std::vector<unsigned char> vAlertPubKey;
     int nMinerThreads = 0;
+    int nDefaultPort = 0;
     long nMaxTipAge = 0;
     uint64_t nPruneAfterHeight = 0;
     unsigned int nEquihashN = 0;
@@ -118,7 +125,7 @@ protected:
     bool fRequireStandard = false;
     bool fMineBlocksOnDemand = false;
     bool fTestnetToBeDeprecatedFieldRPC = false;
-    Checkpoints::CCheckpointData checkpointData;
+    CCheckpointData checkpointData;
     std::vector<std::string> vFoundersRewardAddress;
 };
 
@@ -140,4 +147,9 @@ void SelectParams(CBaseChainParams::Network network);
  */
 bool SelectParamsFromCommandLine();
 
+/**
+ * Allows modifying the network upgrade regtest parameters.
+ */
+void UpdateNetworkUpgradeParameters(Consensus::UpgradeIndex idx, int nActivationHeight);
+
 #endif // BITCOIN_CHAINPARAMS_H