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Implementation of Founders' Reward.

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All blocks before the first subsidy halving block, with the exception of
the genesis block, must contain an output which sends 20% of the block
subsidy value to a scriptPubKey `FOUNDERS_REWARD_SCRIPT`.
This commit is contained in:
Sean Bowe
2016-04-08 13:45:19 -06:00
parent abc1c352c9
commit f3ffa3d27f
4 changed files with 167 additions and 127 deletions
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33
src/miner.cpp
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@@ -107,13 +107,6 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
if (Params().MineBlocksOnDemand())
pblock->nVersion = GetArg("-blockversion", pblock->nVersion);
// Create coinbase tx
CMutableTransaction txNew;
txNew.vin.resize(1);
txNew.vin[0].prevout.SetNull();
txNew.vout.resize(1);
txNew.vout[0].scriptPubKey = scriptPubKeyIn;
// Add dummy coinbase tx as first transaction
pblock->vtx.push_back(CTransaction());
pblocktemplate->vTxFees.push_back(-1); // updated at end
@@ -331,9 +324,31 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
nLastBlockSize = nBlockSize;
LogPrintf("CreateNewBlock(): total size %u\n", nBlockSize);
// Compute final coinbase transaction.
txNew.vout[0].nValue = nFees + GetBlockSubsidy(nHeight, chainparams.GetConsensus());
// Create coinbase tx
CMutableTransaction txNew;
txNew.vin.resize(1);
txNew.vin[0].prevout.SetNull();
txNew.vout.resize(1);
txNew.vout[0].scriptPubKey = scriptPubKeyIn;
txNew.vout[0].nValue = GetBlockSubsidy(nHeight, chainparams.GetConsensus());
if ((nHeight > 0) && (nHeight < chainparams.GetConsensus().nSubsidyHalvingInterval)) {
// Founders reward is 20% of the block subsidy
auto vFoundersReward = txNew.vout[0].nValue / 5;
// Take some reward away from us
txNew.vout[0].nValue -= vFoundersReward;
auto rewardScript = ParseHex(FOUNDERS_REWARD_SCRIPT);
// And give it to the founders
txNew.vout.push_back(CTxOut(vFoundersReward, CScript(rewardScript.begin(),
rewardScript.end())));
}
// Add fees
txNew.vout[0].nValue += nFees;
txNew.vin[0].scriptSig = CScript() << nHeight << OP_0;
pblock->vtx[0] = txNew;
pblocktemplate->vTxFees[0] = -nFees;