DragonX/dragonx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge of Komodo and Verus Technologies Post Sapling, Pre-VerusPoP with Support for Time locked coinbases

Browse Source
This commit is contained in:
miketout
2018-11-14 16:40:10 -08:00
parent 7a993143ef 0dcc818ae0
commit 6e2a502b0e
81 changed files with 4300 additions and 2785 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/pow.cpp
View File

@@ -472,30 +472,7 @@ CChainPower GetBlockProof(const CBlockIndex& block)
CBlockHeader header = block.GetBlockHeader();
// if POS block, add stake
if (!NetworkUpgradeActive(block.GetHeight(), Params().GetConsensus(), Consensus::UPGRADE_SAPLING) || !header.IsVerusPOSBlock())
{
return CChainPower(0, bnStakeTarget, (~bnWorkTarget / (bnWorkTarget + 1)) + 1);
}
else
{
bnStakeTarget.SetCompact(header.GetVerusPOSTarget(), &fNegative, &fOverflow);
if (fNegative || fOverflow || bnStakeTarget == 0)
return CChainPower(0);
// as the nonce has a fixed definition for a POS block, add the random amount of "work" from the nonce, so there will
// statistically always be a deterministic winner in POS
arith_uint256 aNonce;
// random amount of additional stake added is capped to 1/2 the current stake target
aNonce = UintToArith256(block.nNonce) | (bnStakeTarget << (uint64_t)1);
// We need to compute 2**256 / (bnTarget+1), but we can't represent 2**256
// as it's too large for a arith_uint256. However, as 2**256 is at least as large
// as bnTarget+1, it is equal to ((2**256 - bnTarget - 1) / (bnTarget+1)) + 1,
// or ~bnTarget / (nTarget+1) + 1.
return CChainPower(0, ((~bnStakeTarget / (bnStakeTarget + 1)) + 1) + ((~aNonce / (aNonce + 1)) + 1),
(~bnWorkTarget / (bnWorkTarget + 1)) + 1);
}
return CChainPower(0, bnStakeTarget, (~bnWorkTarget / (bnWorkTarget + 1)) + 1);
}
int64_t GetBlockProofEquivalentTime(const CBlockIndex& to, const CBlockIndex& from, const CBlockIndex& tip, const Consensus::Params& params)