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chainparams.cpp
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chainparams.cpp
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// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "assert.h"
#include "chainparams.h"
#include "main.h"
#include "util.h"
#include <boost/assign/list_of.hpp>
using namespace boost::assign;
struct SeedSpec6 {
uint8_t addr[16];
uint16_t port;
};
#include "chainparamsseeds.h"
void MineGenesis(CBlock genesis){
// This will figure out a valid hash and Nonce if you're creating a different genesis block:
uint256 hashTarget = CBigNum().SetCompact(Params().ProofOfWorkLimit().GetCompact()).getuint256();
printf("Target: %s\n", hashTarget.GetHex().c_str());
uint256 newhash = genesis.GetHash();
uint256 besthash;
memset(&besthash,0xFF,32);
while (newhash > hashTarget) {
++genesis.nNonce;
if (genesis.nNonce == 0){
printf("NONCE WRAPPED, incrementing time");
++genesis.nTime;
}
newhash = genesis.GetHash();
if(newhash < besthash){
besthash=newhash;
printf("New best: %s\n", newhash.GetHex().c_str());
}
}
printf("Found Genesis, Nonce: %ld, Hash: %s\n", genesis.nNonce, genesis.GetHash().GetHex().c_str());
printf("Gensis Hash Merkle: %s\n", genesis.hashMerkleRoot.ToString().c_str());
}
//
// Main network
//
// Convert the pnSeeds6 array into usable address objects.
static void convertSeed6(std::vector<CAddress> &vSeedsOut, const SeedSpec6 *data, unsigned int count)
{
// It'll only connect to one or two seed nodes because once it connects,
// it'll get a pile of addresses with newer timestamps.
// Seed nodes are given a random 'last seen time' of between one and two
// weeks ago.
const int64_t nOneWeek = 7*24*60*60;
for (unsigned int i = 0; i < count; i++)
{
struct in6_addr ip;
memcpy(&ip, data[i].addr, sizeof(ip));
CAddress addr(CService(ip, data[i].port));
addr.nTime = GetTime() - GetRand(nOneWeek) - nOneWeek;
vSeedsOut.push_back(addr);
}
}
class CMainParams : public CChainParams {
public:
CMainParams() {
// The message start string is designed to be unlikely to occur in normal data.
// The characters are rarely used upper ASCII, not valid as UTF-8, and produce
// a large 4-byte int at any alignment.
pchMessageStart[0] = 0xef;
pchMessageStart[1] = 0xf2;
pchMessageStart[2] = 0xa7;
pchMessageStart[3] = 0x7d;
vAlertPubKey = ParseHex("0486cce1bac0d543f104cbff2bd23680056a3b9ea05e1137d2ff90eeb5e08472eb500322593a2cb06fbf8297d7beb6cd30cb90f98153b5b7cce1493749e41e0284");
nDefaultPort = 24333;
nRPCPort = 24334;
bnProofOfWorkLimit = CBigNum(~uint256(0) >> 20);
// Build the genesis block. Note that the output of the genesis coinbase cannot
// be spent as it did not originally exist in the database.
//
//CBlock(hash=000001faef25dec4fbcf906e6242621df2c183bf232f263d0ba5b101911e4563, ver=1, hashPrevBlock=0000000000000000000000000000000000000000000000000000000000000000, hashMerkleRoot=12630d16a97f24b287c8c2594dda5fb98c9e6c70fc61d44191931ea2aa08dc90, nTime=1393221600, nBits=1e0fffff, nNonce=164482, vtx=1, vchBlockSig=)
// Coinbase(hash=12630d16a9, nTime=1393221600, ver=1, vin.size=1, vout.size=1, nLockTime=0)
// CTxIn(COutPoint(0000000000, 4294967295), coinbase 00012a24323020466562203230313420426974636f696e2041544d7320636f6d6520746f20555341)
// CTxOut(empty)
// vMerkleTree: 12630d16a9
const char* pszTimestamp = "MAGNATUM OFFICIAL FAIR LAUNCH";
std::vector<CTxIn> vin;
vin.resize(1);
vin[0].scriptSig = CScript() << 0 << CBigNum(42) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
std::vector<CTxOut> vout;
vout.resize(1);
vout[0].SetEmpty();
CTransaction txNew(1, 1500312085, vin, vout, 0);
genesis.vtx.push_back(txNew);
genesis.hashPrevBlock = 0;
genesis.hashMerkleRoot = genesis.BuildMerkleTree();
genesis.nVersion = 1;
genesis.nTime = 1500312085;
genesis.nBits = bnProofOfWorkLimit.GetCompact();
genesis.nNonce = 850189;
hashGenesisBlock = genesis.GetHash();
LogPrintf("hashGenesisBlock=%s\n", hashGenesisBlock.ToString());
LogPrintf("genesis.hashMerkleRoot=%s\n", genesis.hashMerkleRoot.ToString());
assert(hashGenesisBlock == uint256("0x811033fc00054d6e535d5a63caff8ecd9209b9e50528a5a9091f680e86393395"));
assert(genesis.hashMerkleRoot == uint256("0x410a2d4edfd596d5136fe66763672ce9c8ac78a84d9da6d89ef3041f954bb96a"));
//MineGenesis(genesis);
vSeeds.push_back(CDNSSeedData("104.40.154.163", "104.40.154.163"));
//vSeeds.push_back(CDNSSeedData("122.129.64.13", "122.129.64.13"));
// vSeeds.push_back(CDNSSeedData("122.129.64.14", "122.129.64.14"));
//vSeeds.push_back(CDNSSeedData("122.129.64.15", "122.129.64.15"));
//vSeeds.push_back(CDNSSeedData("122.129.64.16", "122.129.64.16"));
//vSeeds.push_back(CDNSSeedData("203.128.6.219", "203.128.6.219"));
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1, 25);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1, 125);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1, (63+128));
base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x88)(0xC2)(0x1E).convert_to_container<std::vector<unsigned char> >();
base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x88)(0xB2)(0xDD).convert_to_container<std::vector<unsigned char> >();
convertSeed6(vFixedSeeds, pnSeed6_main, ARRAYLEN(pnSeed6_main));
nLastPOWBlock = 0x7fffffff;
nPOSStartBlock = nLastPOWBlock - 1;
}
virtual const CBlock& GenesisBlock() const { return genesis; }
virtual Network NetworkID() const { return CChainParams::MAIN; }
virtual const vector<CAddress>& FixedSeeds() const {
return vFixedSeeds;
}
protected:
CBlock genesis;
vector<CAddress> vFixedSeeds;
};
static CMainParams mainParams;
//
// Testnet
//
class CTestNetParams : public CMainParams {
public:
CTestNetParams() {
// The message start string is designed to be unlikely to occur in normal data.
// The characters are rarely used upper ASCII, not valid as UTF-8, and produce
// a large 4-byte int at any alignment.
pchMessageStart[0] = 0x71;
pchMessageStart[1] = 0x31;
pchMessageStart[2] = 0x21;
pchMessageStart[3] = 0x11;
bnProofOfWorkLimit = CBigNum(~uint256(0) >> 16);
vAlertPubKey = ParseHex("0471dc165db490094d35cde15b1f5d755fa6ad6f2b5ed0f340e3f17f57389c3c2af113a8cbcc885bde73305a553b5640c83021128008ddf882e856336269080496");
nDefaultPort = 26178;
nRPCPort = 26174;
strDataDir = "testnet";
// Modify the testnet genesis block so the timestamp is valid for a later start.
genesis.nBits = bnProofOfWorkLimit.GetCompact();
genesis.nNonce = 5073111;
genesis.nTime = 1497752710;
//hashGenesisBlock = genesis.GetHash();
//assert(hashGenesisBlock == uint256("0x"));
vFixedSeeds.clear();
vSeeds.clear();
vSeeds.push_back(CDNSSeedData("192.168.152.128", "192.168.152.128"));
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1, 65); // magnatum test net start with T
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1, 196);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1, 65 + 128);
base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
convertSeed6(vFixedSeeds, pnSeed6_test, ARRAYLEN(pnSeed6_test));
nLastPOWBlock = 0x7fffffff;
}
virtual Network NetworkID() const { return CChainParams::TESTNET; }
};
static CTestNetParams testNetParams;
//
// Regression test
//
class CRegTestParams : public CTestNetParams {
public:
CRegTestParams() {
pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
pchMessageStart[2] = 0xb5;
pchMessageStart[3] = 0xda;
bnProofOfWorkLimit = CBigNum(~uint256(0) >> 1);
genesis.nTime = 1411111111;
genesis.nBits = bnProofOfWorkLimit.GetCompact();
genesis.nNonce = 1815802;
hashGenesisBlock = genesis.GetHash();
nDefaultPort = 18444;
strDataDir = "regtest";
//MineGenesis(genesis);
//assert(hashGenesisBlock == uint256("0x0000084215677b959303b4f774ddcc8a1bdc46b7b38cdcf59d9b9e4885c79aab"));
vSeeds.clear(); // Regtest mode doesn't have any DNS seeds.
}
virtual bool RequireRPCPassword() const { return false; }
virtual Network NetworkID() const { return CChainParams::REGTEST; }
};
static CRegTestParams regTestParams;
static CChainParams *pCurrentParams = &mainParams;
const CChainParams &Params() {
return *pCurrentParams;
}
void SelectParams(CChainParams::Network network) {
switch (network) {
case CChainParams::MAIN:
pCurrentParams = &mainParams;
break;
case CChainParams::TESTNET:
pCurrentParams = &testNetParams;
break;
case CChainParams::REGTEST:
pCurrentParams = ®TestParams;
break;
default:
assert(false && "Unimplemented network");
return;
}
}
bool SelectParamsFromCommandLine() {
bool fRegTest = GetBoolArg("-regtest", false);
bool fTestNet = GetBoolArg("-testnet", false);
if (fTestNet && fRegTest) {
return false;
}
if (fRegTest) {
SelectParams(CChainParams::REGTEST);
} else if (fTestNet) {
SelectParams(CChainParams::TESTNET);
} else {
SelectParams(CChainParams::MAIN);
}
return true;
}