string test_getLogHash(txHash)

Author: winsvega

libweb3jsonrpc/Test.cpp

@@ -25,14 +25,37 @@
 #include <jsonrpccpp/common/exception.h>
 #include <libethereum/ClientTest.h>
 #include <libethereum/ChainParams.h>
+#include <libdevcore/CommonJS.h>
 
 using namespace std;
 using namespace dev;
+using namespace dev::eth;
 using namespace dev::rpc;
 using namespace jsonrpc;
 
 Test::Test(eth::Client& _eth): m_eth(_eth) {}
 
+string exportLog(eth::LogEntries const& _logs)
+{
+    RLPStream s;
+    s.appendList(_logs.size());
+    for (eth::LogEntry const& l : _logs)
+        l.streamRLP(s);
+    return toHexPrefixed(sha3(s.out()));
+}
+
+string Test::test_getLogHash(string const& _txHash)
+{
+    if (m_eth.blockChain().isKnownTransaction(h256(_txHash)))
+    {
+        LocalisedTransaction t = m_eth.localisedTransaction(h256(_txHash));
+        BlockReceipts const& blockReceipts = m_eth.blockChain().receipts(t.blockHash());
+        if (blockReceipts.receipts.size() != 0)
+            return exportLog(blockReceipts.receipts[t.transactionIndex()].log());
+     }
+     return toJS(dev::EmptyListSHA3);
+}
+
 bool Test::test_setChainParams(Json::Value const& param1)
 {
     try

libweb3jsonrpc/Test.h

@@ -42,7 +42,7 @@ class Test: public TestFace
 	{
 		return RPCModules{RPCModule{"test", "1.0"}};
 	}
-
+	virtual std::string test_getLogHash(std::string const& param1) override;
 	virtual bool test_setChainParams(const Json::Value &param1) override;
 	virtual bool test_mineBlocks(int _number) override;
 	virtual bool test_modifyTimestamp(int _timestamp) override;

libweb3jsonrpc/TestFace.h

@@ -14,13 +14,17 @@ namespace dev {
             public:
                 TestFace()
                 {
+                    this->bindAndAddMethod(jsonrpc::Procedure("test_getLogHash", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_STRING, NULL), &dev::rpc::TestFace::test_getLogHashI);
                     this->bindAndAddMethod(jsonrpc::Procedure("test_setChainParams", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_OBJECT, NULL), &dev::rpc::TestFace::test_setChainParamsI);
                     this->bindAndAddMethod(jsonrpc::Procedure("test_mineBlocks", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_INTEGER, NULL), &dev::rpc::TestFace::test_mineBlocksI);
                     this->bindAndAddMethod(jsonrpc::Procedure("test_modifyTimestamp", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_INTEGER, NULL), &dev::rpc::TestFace::test_modifyTimestampI);
                     this->bindAndAddMethod(jsonrpc::Procedure("test_addBlock", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_STRING, NULL), &dev::rpc::TestFace::test_addBlockI);
                     this->bindAndAddMethod(jsonrpc::Procedure("test_rewindToBlock", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_INTEGER, NULL), &dev::rpc::TestFace::test_rewindToBlockI);
                 }
-
+                inline virtual void test_getLogHashI(const Json::Value& request, Json::Value& response)
+                {
+                    response = this->test_getLogHash(request[0u].asString());
+                }
                 inline virtual void test_setChainParamsI(const Json::Value &request, Json::Value &response)
                 {
                     response = this->test_setChainParams(request[0u]);
@@ -41,6 +45,7 @@ namespace dev {
                 {
                     response = this->test_rewindToBlock(request[0u].asInt());
                 }
+                virtual std::string test_getLogHash(const std::string& param1) = 0;
                 virtual bool test_setChainParams(const Json::Value& param1) = 0;
                 virtual bool test_mineBlocks(int param1) = 0;
                 virtual bool test_modifyTimestamp(int param1) = 0;

libweb3jsonrpc/test.json

@@ -1,4 +1,5 @@
 [
+{ "name": "test_getLogHash", "params": [""], "order": [], "returns": ""},
 { "name": "test_setChainParams", "params": [{}], "order": [], "returns": false},
 { "name": "test_mineBlocks", "params": [0], "returns": false },
 { "name": "test_modifyTimestamp", "params": [0], "returns": false },