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authorjtimon <jtimon@blockstream.io>2014-08-31 21:32:23 +0200
committerjtimon <jtimon@blockstream.io>2014-10-10 11:00:59 +0200
commite11712df7ea5e946c5ec008d1c761187b495f872 (patch)
treeff134f106e1dddf80454ce6feff6019aaaeae82c
parent6de50c3c9a89e72f3152a1df7775572d5c8ad0e7 (diff)
downloadbitcoin-e11712df7ea5e946c5ec008d1c761187b495f872.tar.xz
Move checkpoint data selection to chainparams
-rw-r--r--src/chainparams.cpp72
-rw-r--r--src/chainparams.h2
-rw-r--r--src/checkpoints.cpp81
-rw-r--r--src/checkpoints.h12
4 files changed, 89 insertions, 78 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 31c67715c8..a81b618208 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -44,6 +44,57 @@ static void convertSeed6(std::vector<CAddress> &vSeedsOut, const SeedSpec6 *data
}
}
+ // What makes a good checkpoint block?
+ // + Is surrounded by blocks with reasonable timestamps
+ // (no blocks before with a timestamp after, none after with
+ // timestamp before)
+ // + Contains no strange transactions
+static Checkpoints::MapCheckpoints mapCheckpoints =
+ boost::assign::map_list_of
+ ( 11111, uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d"))
+ ( 33333, uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6"))
+ ( 74000, uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))
+ (105000, uint256("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97"))
+ (134444, uint256("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe"))
+ (168000, uint256("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763"))
+ (193000, uint256("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317"))
+ (210000, uint256("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e"))
+ (216116, uint256("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e"))
+ (225430, uint256("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932"))
+ (250000, uint256("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214"))
+ (279000, uint256("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40"))
+ (295000, uint256("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983"))
+ ;
+static const Checkpoints::CCheckpointData data = {
+ &mapCheckpoints,
+ 1397080064, // * UNIX timestamp of last checkpoint block
+ 36544669, // * total number of transactions between genesis and last checkpoint
+ // (the tx=... number in the SetBestChain debug.log lines)
+ 60000.0 // * estimated number of transactions per day after checkpoint
+ };
+
+static Checkpoints::MapCheckpoints mapCheckpointsTestnet =
+ boost::assign::map_list_of
+ ( 546, uint256("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70"))
+ ;
+static const Checkpoints::CCheckpointData dataTestnet = {
+ &mapCheckpointsTestnet,
+ 1337966069,
+ 1488,
+ 300
+ };
+
+static Checkpoints::MapCheckpoints mapCheckpointsRegtest =
+ boost::assign::map_list_of
+ ( 0, uint256("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"))
+ ;
+static const Checkpoints::CCheckpointData dataRegtest = {
+ &mapCheckpointsRegtest,
+ 0,
+ 0,
+ 0
+ };
+
class CMainParams : public CChainParams {
public:
CMainParams() {
@@ -117,6 +168,11 @@ public:
fMineBlocksOnDemand = false;
fSkipProofOfWorkCheck = false;
}
+
+ const Checkpoints::CCheckpointData& Checkpoints() const
+ {
+ return data;
+ }
};
static CMainParams mainParams;
@@ -173,6 +229,10 @@ public:
fRequireStandard = false;
fMineBlocksOnDemand = false;
}
+ const Checkpoints::CCheckpointData& Checkpoints() const
+ {
+ return dataTestnet;
+ }
};
static CTestNetParams testNetParams;
@@ -212,6 +272,10 @@ public:
fRequireStandard = false;
fMineBlocksOnDemand = true;
}
+ const Checkpoints::CCheckpointData& Checkpoints() const
+ {
+ return dataRegtest;
+ }
};
static CRegTestParams regTestParams;
@@ -233,7 +297,13 @@ public:
fAllowMinDifficultyBlocks = false;
fMineBlocksOnDemand = true;
}
-public:
+
+ const Checkpoints::CCheckpointData& Checkpoints() const
+ {
+ // UnitTest share the same checkpoints as MAIN
+ return data;
+ }
+
// Published setters to allow changing values in unit test cases
virtual void setSubsidyHalvingInterval(int anSubsidyHalvingInterval) { nSubsidyHalvingInterval=anSubsidyHalvingInterval; }
virtual void setEnforceBlockUpgradeMajority(int anEnforceBlockUpgradeMajority) { nEnforceBlockUpgradeMajority=anEnforceBlockUpgradeMajority; }
diff --git a/src/chainparams.h b/src/chainparams.h
index 50441a89f3..d3b1781b4d 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -8,6 +8,7 @@
#include "core.h"
#include "chainparamsbase.h"
+#include "checkpoints.h"
#include "protocol.h"
#include "uint256.h"
@@ -77,6 +78,7 @@ public:
const std::vector<CDNSSeedData>& DNSSeeds() const { return vSeeds; }
const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; }
const std::vector<CAddress>& FixedSeeds() const { return vFixedSeeds; }
+ virtual const Checkpoints::CCheckpointData& Checkpoints() const = 0;
protected:
CChainParams() {}
diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index 9a6bc05e63..fbde47339d 100644
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -4,18 +4,16 @@
#include "checkpoints.h"
+#include "chainparams.h"
#include "main.h"
#include "uint256.h"
#include <stdint.h>
-#include <boost/assign/list_of.hpp> // for 'map_list_of()'
#include <boost/foreach.hpp>
namespace Checkpoints {
- typedef std::map<int, uint256> MapCheckpoints;
-
// How many times we expect transactions after the last checkpoint to
// be slower. This number is a compromise, as it can't be accurate for
// every system. When reindexing from a fast disk with a slow CPU, it
@@ -23,83 +21,14 @@ namespace Checkpoints {
// fast multicore CPU, it won't be much higher than 1.
static const double SIGCHECK_VERIFICATION_FACTOR = 5.0;
- struct CCheckpointData {
- const MapCheckpoints *mapCheckpoints;
- int64_t nTimeLastCheckpoint;
- int64_t nTransactionsLastCheckpoint;
- double fTransactionsPerDay;
- };
-
bool fEnabled = true;
- // What makes a good checkpoint block?
- // + Is surrounded by blocks with reasonable timestamps
- // (no blocks before with a timestamp after, none after with
- // timestamp before)
- // + Contains no strange transactions
- static MapCheckpoints mapCheckpoints =
- boost::assign::map_list_of
- ( 11111, uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d"))
- ( 33333, uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6"))
- ( 74000, uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))
- (105000, uint256("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97"))
- (134444, uint256("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe"))
- (168000, uint256("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763"))
- (193000, uint256("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317"))
- (210000, uint256("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e"))
- (216116, uint256("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e"))
- (225430, uint256("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932"))
- (250000, uint256("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214"))
- (279000, uint256("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40"))
- (295000, uint256("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983"))
- ;
- static const CCheckpointData data = {
- &mapCheckpoints,
- 1397080064, // * UNIX timestamp of last checkpoint block
- 36544669, // * total number of transactions between genesis and last checkpoint
- // (the tx=... number in the SetBestChain debug.log lines)
- 60000.0 // * estimated number of transactions per day after checkpoint
- };
-
- static MapCheckpoints mapCheckpointsTestnet =
- boost::assign::map_list_of
- ( 546, uint256("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70"))
- ;
- static const CCheckpointData dataTestnet = {
- &mapCheckpointsTestnet,
- 1337966069,
- 1488,
- 300
- };
-
- static MapCheckpoints mapCheckpointsRegtest =
- boost::assign::map_list_of
- ( 0, uint256("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"))
- ;
- static const CCheckpointData dataRegtest = {
- &mapCheckpointsRegtest,
- 0,
- 0,
- 0
- };
-
- const CCheckpointData &Checkpoints() {
- if (Params().NetworkID() == CBaseChainParams::TESTNET)
- return dataTestnet;
- else if (Params().NetworkID() == CBaseChainParams::MAIN)
- return data;
- else if (Params().NetworkID() == CBaseChainParams::UNITTEST) // UnitTest share the same checkpoints as MAIN
- return data;
- else
- return dataRegtest;
- }
-
bool CheckBlock(int nHeight, const uint256& hash)
{
if (!fEnabled)
return true;
- const MapCheckpoints& checkpoints = *Checkpoints().mapCheckpoints;
+ const MapCheckpoints& checkpoints = *Params().Checkpoints().mapCheckpoints;
MapCheckpoints::const_iterator i = checkpoints.find(nHeight);
if (i == checkpoints.end()) return true;
@@ -119,7 +48,7 @@ namespace Checkpoints {
// Work is defined as: 1.0 per transaction before the last checkpoint, and
// fSigcheckVerificationFactor per transaction after.
- const CCheckpointData &data = Checkpoints();
+ const CCheckpointData &data = Params().Checkpoints();
if (pindex->nChainTx <= data.nTransactionsLastCheckpoint) {
double nCheapBefore = pindex->nChainTx;
@@ -143,7 +72,7 @@ namespace Checkpoints {
if (!fEnabled)
return 0;
- const MapCheckpoints& checkpoints = *Checkpoints().mapCheckpoints;
+ const MapCheckpoints& checkpoints = *Params().Checkpoints().mapCheckpoints;
return checkpoints.rbegin()->first;
}
@@ -153,7 +82,7 @@ namespace Checkpoints {
if (!fEnabled)
return NULL;
- const MapCheckpoints& checkpoints = *Checkpoints().mapCheckpoints;
+ const MapCheckpoints& checkpoints = *Params().Checkpoints().mapCheckpoints;
BOOST_REVERSE_FOREACH(const MapCheckpoints::value_type& i, checkpoints)
{
diff --git a/src/checkpoints.h b/src/checkpoints.h
index fca046559a..b5b620fa6b 100644
--- a/src/checkpoints.h
+++ b/src/checkpoints.h
@@ -5,16 +5,26 @@
#ifndef BITCOIN_CHECKPOINT_H
#define BITCOIN_CHECKPOINT_H
+#include "uint256.h"
+
#include <map>
class CBlockIndex;
-class uint256;
/** Block-chain checkpoints are compiled-in sanity checks.
* They are updated every release or three.
*/
namespace Checkpoints
{
+typedef std::map<int, uint256> MapCheckpoints;
+
+struct CCheckpointData {
+ const MapCheckpoints *mapCheckpoints;
+ int64_t nTimeLastCheckpoint;
+ int64_t nTransactionsLastCheckpoint;
+ double fTransactionsPerDay;
+};
+
// Returns true if block passes checkpoint checks
bool CheckBlock(int nHeight, const uint256& hash);