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add consensus.mandatory_coinbase_destination

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This commit is contained in:
Gregory Sanders 2018-10-12 13:50:38 -04:00
parent de842cb58f
commit edb053276b
4 changed files with 22 additions and 0 deletions
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5
src/chainparams.cpp
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@ -420,6 +420,11 @@ class CCustomParams : public CRegTestParams {
consensus.nMinimumChainWork = uint256S(args.GetArg("-con_nminimumchainwork", "0x0"));
consensus.defaultAssumeValid = uint256S(args.GetArg("-con_defaultassumevalid", "0x00"));
// All non-zero coinbase outputs must go to this scriptPubKey
std::vector<unsigned char> man_bytes = ParseHex(gArgs.GetArg("-con_mandatorycoinbase", ""));
consensus.mandatory_coinbase_destination = CScript(man_bytes.begin(), man_bytes.end()); // Blank script allows any coinbase destination
nPruneAfterHeight = (uint64_t)args.GetArg("-npruneafterheight", nPruneAfterHeight);
fDefaultConsistencyChecks = args.GetBoolArg("-fdefaultconsistencychecks", fDefaultConsistencyChecks);
fMineBlocksOnDemand = args.GetBoolArg("-fmineblocksondemand", fMineBlocksOnDemand);

1
src/chainparamsbase.cpp
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@ -22,6 +22,7 @@ void SetupChainParamsBaseOptions()
"This is intended for regression testing tools and app development.", true, OptionsCategory::CHAINPARAMS);
gArgs.AddArg("-testnet", "Use the test chain", false, OptionsCategory::CHAINPARAMS);
gArgs.AddArg("-vbparams=deployment:start:end", "Use given start/end times for specified version bits deployment (regtest or custom only)", true, OptionsCategory::CHAINPARAMS);
gArgs.AddArg("-con_mandatorycoinbase", "All non-zero valued coinbase outputs must go to this scriptPubKey, if set.", false, OptionsCategory::CHAINPARAMS);
gArgs.AddArg("-seednode=<ip>", "Use specified node as seed node. This option can be specified multiple times to connect to multiple nodes. (custom only)", true, OptionsCategory::CHAINPARAMS);
}

5
src/consensus/params.h
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@ -11,6 +11,8 @@
#include <map>
#include <string>
#include <script/script.h> // mandatory_coinbase_destination
namespace Consensus {
enum DeploymentPos
@ -75,6 +77,9 @@ struct Params {
int64_t DifficultyAdjustmentInterval() const { return nPowTargetTimespan / nPowTargetSpacing; }
uint256 nMinimumChainWork;
uint256 defaultAssumeValid;
// Elements-specific chainparams
CScript mandatory_coinbase_destination;
};
} // namespace Consensus

11
src/validation.cpp
View file

@ -1850,6 +1850,17 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl
nBlocksTotal++;
// Check that all non-zero coinbase outputs pay to the required destination
const CScript& mandatory_coinbase_destination = chainparams.GetConsensus().mandatory_coinbase_destination;
if (mandatory_coinbase_destination != CScript()) {
for (auto& txout : block.vtx[0]->vout) {
if (txout.scriptPubKey != mandatory_coinbase_destination && txout.nValue != 0) {
return state.DoS(100, error("ConnectBlock(): Coinbase outputs didnt match required scriptPubKey"),
REJECT_INVALID, "bad-coinbase-txos");
}
}
}
bool fScriptChecks = true;
if (!hashAssumeValid.IsNull()) {
// We've been configured with the hash of a block which has been externally verified to have a valid history.