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Merge pull request #6353

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5ed1079 Show softfork status in getblockchaininfo (Wladimir J. van der Laan)
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Wladimir J. van der Laan 2015-07-01 19:36:56 +02:00
commit 6bcb0a21c5
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1 changed files with 51 additions and 0 deletions
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51
src/rpcblockchain.cpp
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@ -469,6 +469,36 @@ UniValue verifychain(const UniValue& params, bool fHelp)
return CVerifyDB().VerifyDB(pcoinsTip, nCheckLevel, nCheckDepth);
}
/** Implementation of IsSuperMajority with better feedback */
static UniValue SoftForkMajorityDesc(int minVersion, CBlockIndex* pindex, int nRequired, const Consensus::Params& consensusParams)
{
int nFound = 0;
CBlockIndex* pstart = pindex;
for (int i = 0; i < consensusParams.nMajorityWindow && pstart != NULL; i++)
{
if (pstart->nVersion >= minVersion)
++nFound;
pstart = pstart->pprev;
}
UniValue rv(UniValue::VOBJ);
rv.push_back(Pair("status", nFound >= nRequired));
rv.push_back(Pair("found", nFound));
rv.push_back(Pair("required", nRequired));
rv.push_back(Pair("window", consensusParams.nMajorityWindow));
return rv;
}
static UniValue SoftForkDesc(const std::string &name, int version, CBlockIndex* pindex, const Consensus::Params& consensusParams)
{
UniValue rv(UniValue::VOBJ);
rv.push_back(Pair("id", name));
rv.push_back(Pair("version", version));
rv.push_back(Pair("enforce", SoftForkMajorityDesc(version, pindex, consensusParams.nMajorityEnforceBlockUpgrade, consensusParams)));
rv.push_back(Pair("reject", SoftForkMajorityDesc(version, pindex, consensusParams.nMajorityRejectBlockOutdated, consensusParams)));
return rv;
}
UniValue getblockchaininfo(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() != 0)
@ -484,6 +514,19 @@ UniValue getblockchaininfo(const UniValue& params, bool fHelp)
" \"difficulty\": xxxxxx, (numeric) the current difficulty\n"
" \"verificationprogress\": xxxx, (numeric) estimate of verification progress [0..1]\n"
" \"chainwork\": \"xxxx\" (string) total amount of work in active chain, in hexadecimal\n"
" \"softforks\": [ (array) status of softforks in progress\n"
" {\n"
" \"id\": \"xxxx\", (string) name of softfork\n"
" \"version\": xx, (numeric) block version\n"
" \"enforce\": { (object) progress toward enforcing the softfork rules for new-version blocks\n"
" \"status\": xx, (boolean) true if threshold reached\n"
" \"found\": xx, (numeric) number of blocks with the new version found\n"
" \"required\": xx, (numeric) number of blocks required to trigger\n"
" \"window\": xx, (numeric) maximum size of examined window of recent blocks\n"
" },\n"
" \"reject\": { ... } (object) progress toward rejecting pre-softfork blocks (same fields as \"enforce\")\n"
" }, ...\n"
" ]\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getblockchaininfo", "")
@ -501,6 +544,14 @@ UniValue getblockchaininfo(const UniValue& params, bool fHelp)
obj.push_back(Pair("verificationprogress", Checkpoints::GuessVerificationProgress(Params().Checkpoints(), chainActive.Tip())));
obj.push_back(Pair("chainwork", chainActive.Tip()->nChainWork.GetHex()));
obj.push_back(Pair("pruned", fPruneMode));
const Consensus::Params& consensusParams = Params().GetConsensus();
CBlockIndex* tip = chainActive.Tip();
UniValue softforks(UniValue::VARR);
softforks.push_back(SoftForkDesc("bip34", 2, tip, consensusParams));
softforks.push_back(SoftForkDesc("bip66", 3, tip, consensusParams));
obj.push_back(Pair("softforks", softforks));
if (fPruneMode)
{
CBlockIndex *block = chainActive.Tip();