1 \feffnamespace Novacoin
4 /// Basic network params.
9 /// Minimal depth for spending coinbase and coinstake transactions.
11 public const int nGeneratedMaturity = 500;
14 /// "standard" scrypt target limit for proof of work, results with 0,000244140625 proof-of-work difficulty
16 public static uint256 nProofOfWorkLimit = ~(new uint256(0)) >> 20;
19 /// Proof of stake target limit from block #15000 and until 20 June 2013, results with 0,00390625 proof of stake difficulty
21 public static uint256 nProofOfStakeLegacyLimit = ~(new uint256(0)) >> 24;
24 /// Proof of stake target limit since 20 June 2013, equal to 0.03125 proof of stake difficulty
26 public static uint256 nProofOfStakeLimit = ~(new uint256(0)) >> 27;
29 /// Disabled temporarily, will be used in the future to fix minimal proof of stake difficulty at 0.25
31 public static uint256 nProofOfStakeHardLimit = ~(new uint256(0)) >> 30;
34 /// Difficulty-1 target
36 public static uint256 nPoWBase = new uint256("00000000ffff0000000000000000000000000000000000000000000000000000");
39 /// Sat, 20 Jul 2013 00:00:00 GMT
41 public const uint nTargetsSwitchTime = 1374278400;
44 /// Wed, 20 Aug 2014 00:00:00 GMT
46 public const uint nStakeValidationSwitchTime = 1408492800;
51 public static uint256 nHashGenesisBlock = new uint256("00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
53 public const uint nLockTimeThreshold = 500000000;
56 /// Allowed clock drift.
58 private const uint nDrift = 7200;
61 /// Maximum possible proof-of-work reward.
63 public const long nMaxMintProofOfWork = CTransaction.nCoin * 100;
66 /// Maximum possible proof-of-stake reward per coin*year.
68 public const long nMaxMintProofOfStake = CTransaction.nCoin * 100;
70 public static uint GetAdjustedTime()
72 return Interop.GetTime();
75 public static uint FutureDrift(uint nTime)
77 return nTime + nDrift; // up to 2 hours from the future
80 public static uint PastDrift(uint nTime)
82 return nTime - nDrift; // up to 2 hours from the past
85 internal static uint256 GetProofOfStakeLimit(uint nHeight, uint nTime)
87 if (nTime > nTargetsSwitchTime) // 27 bits since 20 July 2013
88 return nProofOfStakeLimit;
89 if (nHeight + 1 > 15000) // 24 bits since block 15000
90 return nProofOfStakeLegacyLimit;
91 if (nHeight + 1 > 14060) // 31 bits since block 14060 until 15000
92 return nProofOfStakeHardLimit;
94 return nProofOfWorkLimit; // return bnProofOfWorkLimit of none matched