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-rw-r--r--src/main.cpp9
-rw-r--r--src/rpc/mining.cpp4
-rw-r--r--src/test/miner_tests.cpp1
3 files changed, 5 insertions, 9 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 4293a6bebf..56a5103849 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3531,15 +3531,8 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc
{
std::vector<unsigned char> commitment;
int commitpos = GetWitnessCommitmentIndex(block);
- bool fHaveWitness = false;
- for (size_t t = 1; t < block.vtx.size(); t++) {
- if (!block.vtx[t]->wit.IsNull()) {
- fHaveWitness = true;
- break;
- }
- }
std::vector<unsigned char> ret(32, 0x00);
- if (fHaveWitness && IsWitnessEnabled(pindexPrev, consensusParams)) {
+ if (consensusParams.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout != 0) {
if (commitpos == -1) {
uint256 witnessroot = BlockWitnessMerkleRoot(block, NULL);
CHash256().Write(witnessroot.begin(), 32).Write(&ret[0], 32).Finalize(witnessroot.begin());
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 6b0e52a309..f3cd1fbf0b 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -680,7 +680,9 @@ UniValue getblocktemplate(const JSONRPCRequest& request)
result.push_back(Pair("curtime", pblock->GetBlockTime()));
result.push_back(Pair("bits", strprintf("%08x", pblock->nBits)));
result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1)));
- if (!pblocktemplate->vchCoinbaseCommitment.empty()) {
+
+ const struct BIP9DeploymentInfo& segwit_info = VersionBitsDeploymentInfo[Consensus::DEPLOYMENT_SEGWIT];
+ if (!pblocktemplate->vchCoinbaseCommitment.empty() && setClientRules.find(segwit_info.name) != setClientRules.end()) {
result.push_back(Pair("default_witness_commitment", HexStr(pblocktemplate->vchCoinbaseCommitment.begin(), pblocktemplate->vchCoinbaseCommitment.end())));
}
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index aea8920936..85a2e907c2 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -214,6 +214,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
txCoinbase.vin[0].scriptSig = CScript();
txCoinbase.vin[0].scriptSig.push_back(blockinfo[i].extranonce);
txCoinbase.vin[0].scriptSig.push_back(chainActive.Height());
+ txCoinbase.vout.resize(1); // Ignore the (optional) segwit commitment added by CreateNewBlock (as the hardcoded nonces don't account for this)
txCoinbase.vout[0].scriptPubKey = CScript();
pblock->vtx[0] = MakeTransactionRef(std::move(txCoinbase));
if (txFirst.size() == 0)