sketch a method to return claim activations in a given block

it doesn't link properly
This commit is contained in:
Brannon King 2019-06-04 10:27:44 -06:00
parent 8ad7903aba
commit 84333407bb
2 changed files with 70 additions and 3 deletions

View file

@ -8,6 +8,7 @@
#include <txmempool.h>
#include <univalue.h>
#include <validation.h>
#include <undo.h>
#include <boost/thread.hpp>
#include <cmath>
@ -167,6 +168,7 @@ static UniValue getclaimsintrie(const JSONRPCRequest& request)
UniValue nodeObj(UniValue::VOBJ);
nodeObj.pushKV("normalized_name", name);
nodeObj.pushKV("takeover_height", node->nHeightOfLastTakeover);
nodeObj.pushKV("claims", claims);
nodes.push_back(nodeObj);
}
@ -884,6 +886,70 @@ UniValue getnameproof(const JSONRPCRequest& request)
return proofToJSON(proof);
}
extern bool UndoReadFromDisk(CBlockUndo& blockundo, const CBlockIndex *pindex);
UniValue getactivationsinblock(const JSONRPCRequest& request) {
if (request.fHelp || request.params.size() > 1)
throw std::runtime_error(
"getactivationsinblock\n"
"Return the list of claims that became active or expired in a block\n"
"Arguments:\n"
"1. \"blockhash\" (string, optional) the hash of the block in question for non-tip lookup\n"
"Result:\n"
"[ (array of string) claimIDs whose activation or expiration changed,\n"
" including those with supports added/removed\n"
"]\n");
CBlockUndo undo;
LOCK(cs_main);
auto index = chainActive.Tip();
if (request.params.size() > 0) {
index = BlockHashIndex(ParseHashV(request.params[0], "blockhash (optional parameter)"));
}
if (!UndoReadFromDisk(undo, index))
throw JSONRPCError(RPC_INTERNAL_ERROR,
"Unable to read the undo block for height " + std::to_string(index->nHeight));
std::set<std::string> activations;
for (auto& u: undo.insertUndo)
activations.insert(ClaimIdHash(u.outPoint.hash, u.outPoint.n).ToString());
UniValue removed(UniValue::VARR);
for (auto& u: undo.expireUndo)
activations.insert(u.second.claimId.ToString());
if (!undo.insertSupportUndo.empty()) {
CBlock block;
if (!ReadBlockFromDisk(block, index, Params().GetConsensus()))
throw JSONRPCError(RPC_INTERNAL_ERROR,
"Unable to read the block for height " + std::to_string(index->nHeight));
for (auto& u: undo.insertSupportUndo) { // all the supports added to the map on that block
for (const auto& tx : block.vtx) {
if (tx->GetHash() != u.outPoint.hash)
continue;
const auto& vout = tx->vout[u.outPoint.n];
int op = 0;
std::vector<std::vector<unsigned char>> vvchParams;
if (DecodeClaimScript(vout.scriptPubKey, op, vvchParams)) {
activations.insert(std::string(vvchParams[1].begin(), vvchParams[1].end()));
}
}
}
}
for (auto& u: undo.expireSupportUndo)
activations.insert(u.second.supportedClaimId.ToString());
UniValue result(UniValue::VARR);
for (auto& entry: activations)
result.push_back(entry);
return result;
}
UniValue checknormalization(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 1)
@ -913,9 +979,10 @@ static const CRPCCommand commands[] =
{ "Claimtrie", "gettotalclaims", &gettotalclaims, { "" } },
{ "Claimtrie", "gettotalvalueofclaims", &gettotalvalueofclaims, { "controlling_only" } },
{ "Claimtrie", "getclaimsfortx", &getclaimsfortx, { "txid" } },
{ "Claimtrie", "getnameproof", &getnameproof, { "name","blockhash"} },
{ "Claimtrie", "getnameproof", &getnameproof, { "name","blockhash" } },
{ "Claimtrie", "getclaimbyid", &getclaimbyid, { "claimId" } },
{ "Claimtrie", "checknormalization", &checknormalization, { "name" }},
{ "Claimtrie", "checknormalization", &checknormalization, { "name" } },
{ "Claimtrie", "getchangesinblock", &getactivationsinblock, { "blockhash" } },
};
void RegisterClaimTrieRPCCommands(CRPCTable &tableRPC)

View file

@ -1380,7 +1380,7 @@ bool UndoWriteToDisk(const CBlockUndo& blockundo, CDiskBlockPos& pos, const uint
return true;
}
static bool UndoReadFromDisk(CBlockUndo& blockundo, const CBlockIndex *pindex)
bool UndoReadFromDisk(CBlockUndo& blockundo, const CBlockIndex *pindex)
{
CDiskBlockPos pos = pindex->GetUndoPos();
if (pos.IsNull()) {