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create an rpc command to return all claims in the trie

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This commit is contained in:
Jimmy Kiselak 2016-03-11 00:01:30 -05:00
parent a6984a9d72
commit f4d5f23486
3 changed files with 81 additions and 0 deletions
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79
src/rpcncctrie.cpp
View file

@ -3,6 +3,85 @@
#include "rpcserver.h"
#include "univalue/univalue.h"
UniValue getclaimsintrie(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() > 0)
throw std::runtime_error(
"getclaimsintrie\n"
"Return all claims in the name trie.\n"
"Arguments:\n"
"None\n"
"Result: \n"
"[\n"
" {\n"
" \"name\" (string) the name claimed\n"
" \"claims\": [ (array of object) the claims for this name\n"
" {\n"
" \"txid\" (string) the txid of the claim\n"
" \"n\" (numeric) the vout value of the claim\n"
" \"amount\" (numeric) txout amount\n"
" \"height\" (numeric) the height of the block in which this transaction is located\n"
" \"value\" (string) the value of this claim\n"
" }\n"
" ]\n"
" }\n"
"]\n"
);
LOCK(cs_main);
UniValue ret(UniValue::VARR);
CCoinsViewCache view(pcoinsTip);
std::vector<namedNodeType> nodes = pnccTrie->flattenTrie();
CNodeValue val;
for (std::vector<namedNodeType>::iterator it = nodes.begin(); it != nodes.end(); ++it)
{
if (it->second.getBestValue(val))
{
UniValue node(UniValue::VOBJ);
node.push_back(Pair("name", it->first));
UniValue claims(UniValue::VARR);
for (std::vector<CNodeValue>::iterator itClaims = it->second.values.begin(); itClaims != it->second.values.end(); ++itClaims)
{
UniValue claim(UniValue::VOBJ);
claim.push_back(Pair("txid", itClaims->txhash.GetHex()));
claim.push_back(Pair("n", (int)itClaims->nOut));
claim.push_back(Pair("amount", itClaims->nAmount));
claim.push_back(Pair("height", itClaims->nHeight));
const CCoins* coin = view.AccessCoins(val.txhash);
if (!coin)
{
LogPrintf("%s: %s does not exist in the coins view, despite being associated with a name\n",
__func__, val.txhash.GetHex());
claim.push_back(Pair("error", "No value found for claim"));
}
else if (coin->vout.size() < val.nOut || coin->vout[val.nOut].IsNull())
{
LogPrintf("%s: the specified txout of %s appears to have been spent\n", __func__, val.txhash.GetHex());
claim.push_back(Pair("error", "Txout spent"));
}
else
{
int op;
std::vector<std::vector<unsigned char> > vvchParams;
if (!DecodeNCCScript(coin->vout[val.nOut].scriptPubKey, op, vvchParams))
{
LogPrintf("%s: the specified txout of %s does not have an NCC command\n", __func__, val.txhash.GetHex());
}
std::string sValue(vvchParams[1].begin(), vvchParams[1].end());
claim.push_back(Pair("value", sValue));
}
claims.push_back(claim);
}
node.push_back(Pair("claims", claims));
ret.push_back(node);
}
}
return ret;
}
UniValue getnametrie(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() > 0)

1
src/rpcserver.cpp
View file

@ -380,6 +380,7 @@ static const CRPCCommand vRPCCommands[] =
#endif // ENABLE_WALLET
/* NCC trie */
{ "nametrie", "getclaimsintrie", &getclaimsintrie, true },
{ "nametrie", "getnametrie", &getnametrie, true },
{ "nametrie", "getvalueforname", &getvalueforname, true },
{ "nametrie", "gettotalclaimednames", &gettotalclaimednames, true },

1
src/rpcserver.h
View file

@ -241,6 +241,7 @@ extern UniValue getchaintips(const UniValue& params, bool fHelp);
extern UniValue invalidateblock(const UniValue& params, bool fHelp);
extern UniValue reconsiderblock(const UniValue& params, bool fHelp);
extern UniValue getclaimsintrie(const UniValue& params, bool fHelp); // in rpcncctrie.cpp
extern UniValue getnametrie(const UniValue& params, bool fHelp); // in rpcncctrie.cpp
extern UniValue getvalueforname(const UniValue& params, bool fHelp);
extern UniValue gettotalclaimednames(const UniValue& params, bool fHelp);