src/claimtrie/trie.cpp

@@ -888,3 +888,40 @@ void CClaimTrieCacheBase::getNamesInTrie(std::function<void(const std::string&)>
             callback(name);
         };
 }
+
+std::vector<CUint160> CClaimTrieCacheBase::getActivatedClaims(int height) {
+    std::vector<CUint160> ret;
+    auto query = db << "SELECT DISTINCT claimID FROM claim WHERE activationHeight = ?1 AND blockHeight < ?1" << height;
+    for (auto&& row: query) {
+        ret.emplace_back();
+        row >> ret.back();
+    }
+    return ret;
+}
+std::vector<CUint160> CClaimTrieCacheBase::getClaimsWithActivatedSupports(int height) {
+    std::vector<CUint160> ret;
+    auto query = db << "SELECT DISTINCT supportedClaimID FROM support WHERE activationHeight = ?1 AND blockHeight < ?1" << height;
+    for (auto&& row: query) {
+        ret.emplace_back();
+        row >> ret.back();
+    }
+    return ret;
+}
+std::vector<CUint160> CClaimTrieCacheBase::getExpiredClaims(int height) {
+    std::vector<CUint160> ret;
+    auto query = db << "SELECT DISTINCT claimID FROM claim WHERE expirationHeight = ?1 AND blockHeight < ?1" << height;
+    for (auto&& row: query) {
+        ret.emplace_back();
+        row >> ret.back();
+    }
+    return ret;
+}
+std::vector<CUint160> CClaimTrieCacheBase::getClaimsWithExpiredSupports(int height) {
+    std::vector<CUint160> ret;
+    auto query = db << "SELECT DISTINCT supportedClaimID FROM support WHERE expirationHeight = ?1 AND blockHeight < ?1" << height;
+    for (auto&& row: query) {
+        ret.emplace_back();
+        row >> ret.back();
+    }
+    return ret;
+}

src/claimtrie/trie.h

@@ -102,6 +102,11 @@ public:
     bool getLastTakeoverForName(const std::string& name, CUint160& claimId, int& takeoverHeight) const;
     bool findNameForClaim(std::vector<unsigned char> claim, CClaimValue& value, std::string& name) const;
 
+    std::vector<CUint160> getActivatedClaims(int height);
+    std::vector<CUint160> getClaimsWithActivatedSupports(int height);
+    std::vector<CUint160> getExpiredClaims(int height);
+    std::vector<CUint160> getClaimsWithExpiredSupports(int height);
+
 protected:
     int nNextHeight; // Height of the block that is being worked on, which is
     CClaimTrie* base;

src/rpc/claimtrie.cpp

@@ -751,23 +751,35 @@ UniValue getchangesinblock(const JSONRPCRequest& request)
     LOCK(cs_main);
     bool allowSupportMetadata;
     CCoinsViewCache coinsCache(pcoinsTip.get());
-    {
-        auto index = chainActive.Tip();
-        if (request.params.size() > 0)
-            index = BlockHashIndex(ParseHashV(request.params[0], T_BLOCKHASH " (optional parameter)"));
-
-        if (!ReadBlockFromDisk(block, index, Params().GetConsensus()))
-            throw JSONRPCError(RPC_INTERNAL_ERROR,
-                                   "Unable to read the undo block for height " + std::to_string(index->nHeight));
-
-        allowSupportMetadata = index->nHeight >= Params().GetConsensus().nAllClaimsInMerkleForkHeight;
-    }
 
     UniValue claimsAddUp(UniValue::VARR),
             claimsRm(UniValue::VARR),
             supportsAddUp(UniValue::VARR),
             supportsRm(UniValue::VARR);
 
+    {
+        auto index = chainActive.Tip();
+        if (request.params.size() > 0)
+            index = BlockHashIndex(ParseHashV(request.params[0], T_BLOCKHASH " (optional parameter)"));
+
+        CClaimTrieCache trieCache(pclaimTrie);
+        RollBackTo(index, coinsCache, trieCache);
+        if (!ReadBlockFromDisk(block, index, Params().GetConsensus()))
+            throw JSONRPCError(RPC_INTERNAL_ERROR,
+                                   "Unable to read the undo block for height " + std::to_string(index->nHeight));
+
+        allowSupportMetadata = index->nHeight >= Params().GetConsensus().nAllClaimsInMerkleForkHeight;
+
+        for (auto& claim: trieCache.getActivatedClaims(index->nHeight))
+            claimsAddUp.push_back(claim.ToString());
+        for (auto& claim: trieCache.getClaimsWithActivatedSupports(index->nHeight))
+            supportsAddUp.push_back(claim.ToString());
+        for (auto& claim: trieCache.getExpiredClaims(index->nHeight))
+            claimsRm.push_back(claim.ToString());
+        for (auto& claim: trieCache.getClaimsWithExpiredSupports(index->nHeight))
+            supportsRm.push_back(claim.ToString());
+    }
+
     int op;
     std::vector<std::vector<unsigned char> > vvchParams;
 
@@ -802,6 +814,7 @@ UniValue getchangesinblock(const JSONRPCRequest& request)
                     break;
                 case OP_SUPPORT_CLAIM:
                     supportsRm.push_back(uint160(vvchParams[1]).ToString());
+                    break;
             }
         }
 
@@ -815,11 +828,14 @@ UniValue getchangesinblock(const JSONRPCRequest& request)
 
             switch (op) {
                 case OP_CLAIM_NAME:
-                case OP_UPDATE_CLAIM:
                     claimsAddUp.push_back(ClaimIdHash(tx->GetHash(), i).ToString());
                     break;
+                case OP_UPDATE_CLAIM:
+                    claimsAddUp.push_back(uint160(vvchParams[1]).ToString());
+                    break;
                 case OP_SUPPORT_CLAIM:
-                    supportsAddUp.push_back(ClaimIdHash(tx->GetHash(), i).ToString());
+                    supportsAddUp.push_back(uint160(vvchParams[1]).ToString());
+                    break;
             }
         }
     }

src/test/claimtrierpc_tests.cpp

@@ -360,8 +360,10 @@ BOOST_AUTO_TEST_CASE(hash_bid_seq_claim_changes_test)
     req.params.push_back(UniValue(blockhash.GetHex()));
 
     result = getchangesinblock(req);
-    BOOST_CHECK_EQUAL(result[T_CLAIMSADDEDORUPDATED].size(), 1);
+    BOOST_CHECK_EQUAL(result[T_CLAIMSADDEDORUPDATED].size(), 3);
-    BOOST_CHECK_EQUAL(result[T_CLAIMSADDEDORUPDATED][0].get_str(), claimId4.GetHex());
+    BOOST_CHECK_EQUAL(result[T_CLAIMSADDEDORUPDATED][0].get_str(), claimId2.GetHex());
+    BOOST_CHECK_EQUAL(result[T_CLAIMSADDEDORUPDATED][1].get_str(), claimId3.GetHex());
+    BOOST_CHECK_EQUAL(result[T_CLAIMSADDEDORUPDATED][2].get_str(), claimId4.GetHex());
     BOOST_CHECK_EQUAL(result[T_CLAIMSREMOVED].size(), 0);
     BOOST_CHECK_EQUAL(result[T_SUPPORTSADDEDORUPDATED].size(), 0);
     BOOST_CHECK_EQUAL(result[T_SUPPORTSREMOVED].size(), 0);