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-rw-r--r--src/rpc/mining.cpp18
1 files changed, 17 insertions, 1 deletions
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 965b278bfa..eb2376329c 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -714,6 +714,13 @@ static RPCHelpMan getblocktemplate()
// TODO: Maybe recheck connections/IBD and (if something wrong) send an expires-immediately template to stop miners?
}
+ const Consensus::Params& consensusParams = Params().GetConsensus();
+
+ // GBT must be called with 'signet' set in the rules for signet chains
+ if (consensusParams.signet_blocks && setClientRules.count("signet") != 1) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "getblocktemplate must be called with the signet rule set (call with {\"rules\": [\"segwit\", \"signet\"]})");
+ }
+
// GBT must be called with 'segwit' set in the rules
if (setClientRules.count("segwit") != 1) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "getblocktemplate must be called with the segwit rule set (call with {\"rules\": [\"segwit\"]})");
@@ -745,7 +752,6 @@ static RPCHelpMan getblocktemplate()
}
CHECK_NONFATAL(pindexPrev);
CBlock* pblock = &pblocktemplate->block; // pointer for convenience
- const Consensus::Params& consensusParams = Params().GetConsensus();
// Update nTime
UpdateTime(pblock, consensusParams, pindexPrev);
@@ -809,6 +815,12 @@ static RPCHelpMan getblocktemplate()
UniValue aRules(UniValue::VARR);
aRules.push_back("csv");
if (!fPreSegWit) aRules.push_back("!segwit");
+ if (consensusParams.signet_blocks) {
+ // indicate to miner that they must understand signet rules
+ // when attempting to mine with this template
+ aRules.push_back("!signet");
+ }
+
UniValue vbavailable(UniValue::VOBJ);
for (int j = 0; j < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j) {
Consensus::DeploymentPos pos = Consensus::DeploymentPos(j);
@@ -889,6 +901,10 @@ static RPCHelpMan getblocktemplate()
result.pushKV("bits", strprintf("%08x", pblock->nBits));
result.pushKV("height", (int64_t)(pindexPrev->nHeight+1));
+ if (consensusParams.signet_blocks) {
+ result.pushKV("signet_challenge", HexStr(consensusParams.signet_challenge));
+ }
+
if (!pblocktemplate->vchCoinbaseCommitment.empty()) {
result.pushKV("default_witness_commitment", HexStr(pblocktemplate->vchCoinbaseCommitment));
}