1 files changed, 23 insertions, 15 deletions

diff --git a/src/chainparams.h b/src/chainparams.h
index 638893e9ad..e5312d1080 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -1,5 +1,5 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2015 The Bitcoin Core developers
+// Copyright (c) 2009-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -11,6 +11,7 @@
 #include "primitives/block.h"
 #include "protocol.h"
 
+#include <memory>
 #include <vector>
 
 struct CDNSSeedData {
@@ -28,9 +29,12 @@ typedef std::map<int, uint256> MapCheckpoints;
 
 struct CCheckpointData {
     MapCheckpoints mapCheckpoints;
-    int64_t nTimeLastCheckpoint;
-    int64_t nTransactionsLastCheckpoint;
-    double fTransactionsPerDay;
+};
+
+struct ChainTxData {
+    int64_t nTime;
+    int64_t nTxCount;
+    double dTxRate;
 };
 
 /**
@@ -58,8 +62,6 @@ public:
     int GetDefaultPort() const { return nDefaultPort; }
 
     const CBlock& GenesisBlock() const { return genesis; }
-    /** Make miner wait to have peers to avoid wasting work */
-    bool MiningRequiresPeers() const { return fMiningRequiresPeers; }
     /** Default value for -checkmempool and -checkblockindex argument */
     bool DefaultConsistencyChecks() const { return fDefaultConsistencyChecks; }
     /** Policy: Filter transactions that do not match well-defined patterns */
@@ -67,14 +69,14 @@ public:
     uint64_t PruneAfterHeight() const { return nPruneAfterHeight; }
     /** Make miner stop after a block is found. In RPC, don't return until nGenProcLimit blocks are generated */
     bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; }
-    /** In the future use NetworkIDString() for RPC fields */
-    bool TestnetToBeDeprecatedFieldRPC() const { return fTestnetToBeDeprecatedFieldRPC; }
     /** Return the BIP70 network string (main, test or regtest) */
     std::string NetworkIDString() const { return strNetworkID; }
     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 CCheckpointData& Checkpoints() const { return checkpointData; }
+    const ChainTxData& TxData() const { return chainTxData; }
+    void UpdateBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout);
 protected:
     CChainParams() {}
 
@@ -87,24 +89,25 @@ protected:
     std::string strNetworkID;
     CBlock genesis;
     std::vector<SeedSpec6> vFixedSeeds;
-    bool fMiningRequiresPeers;
     bool fDefaultConsistencyChecks;
     bool fRequireStandard;
     bool fMineBlocksOnDemand;
-    bool fTestnetToBeDeprecatedFieldRPC;
     CCheckpointData checkpointData;
+    ChainTxData chainTxData;
 };
 
 /**
- * Return the currently selected parameters. This won't change after app
- * startup, except for unit tests.
+ * Creates and returns a std::unique_ptr<CChainParams> of the chosen chain.
+ * @returns a CChainParams* of the chosen chain.
+ * @throws a std::runtime_error if the chain is not supported.
  */
-const CChainParams &Params();
+std::unique_ptr<CChainParams> CreateChainParams(const std::string& chain);
 
 /**
- * @returns CChainParams for the given BIP70 chain name.
+ * Return the currently selected parameters. This won't change after app
+ * startup, except for unit tests.
  */
-CChainParams& Params(const std::string& chain);
+const CChainParams &Params();
 
 /**
  * Sets the params returned by Params() to those for the given BIP70 chain name.
@@ -112,4 +115,9 @@ CChainParams& Params(const std::string& chain);
  */
 void SelectParams(const std::string& chain);
 
+/**
+ * Allows modifying the BIP9 regtest parameters.
+ */
+void UpdateBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout);
+
 #endif // BITCOIN_CHAINPARAMS_H