test_getPostState

Author: winsvega

libweb3jsonrpc/Test.cpp

@@ -21,6 +21,7 @@
  */
 
 #include "Test.h"
+#include <libdevcore/CommonJS.h>
 #include <jsonrpccpp/common/errors.h>
 #include <jsonrpccpp/common/exception.h>
 #include <libethereum/ClientTest.h>
@@ -33,6 +34,60 @@ using namespace jsonrpc;
 
 Test::Test(eth::Client& _eth): m_eth(_eth) {}
 
+Json::Value fillJsonWithState(eth::State const& _state)
+{
+    Json::Value oState;
+    for (auto const& a : _state.addresses())
+    {
+        Json::Value o;
+        o["balance"] = toCompactHexPrefixed(_state.balance(a.first), 1);
+        o["nonce"] = toCompactHexPrefixed(_state.getNonce(a.first), 1);
+
+        Json::Value store;
+        for (auto const& s : _state.storage(a.first))
+            store[toCompactHexPrefixed(s.second.first, 1)] =
+                toCompactHexPrefixed(s.second.second, 1);
+        o["storage"] = store;
+        o["code"] = toHexPrefixed(_state.code(a.first));
+        oState[toHexPrefixed(a.first)] = o;
+    }
+    return oState;
+}
+
+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()));
+}
+
+const string c_postStateJustHashVersion = "justhash";
+const string c_postStateFullStateVersion = "fullstate";
+const string c_postStateLogHashVersion = "justloghash";
+string Test::test_getPostState(Json::Value const& param1)
+{
+    Json::Value out;
+    Json::FastWriter fastWriter;
+    if (param1["version"].asString() == c_postStateJustHashVersion)
+        return toJS(m_eth.postState().state().rootHash());
+    else if (param1["version"].asString() == c_postStateFullStateVersion)
+    {
+        out = fillJsonWithState(m_eth.postState().state());
+        return fastWriter.write(out);
+    }
+    else if (param1["version"].asString() == c_postStateLogHashVersion)
+    {
+        if (m_eth.blockChain().receipts().receipts.size() != 0)
+            return exportLog(m_eth.blockChain().receipts().receipts[0].log());
+        else
+            return toJS(EmptyListSHA3);
+    }
+    BOOST_THROW_EXCEPTION(JsonRpcException(Errors::ERROR_RPC_INVALID_PARAMS));
+    return "error";
+}
+
 bool Test::test_setChainParams(Json::Value const& param1)
 {
     try

libweb3jsonrpc/Test.h

@@ -43,6 +43,7 @@ class Test: public TestFace
 		return RPCModules{RPCModule{"test", "1.0"}};
 	}
 
+	virtual std::string test_getPostState(const Json::Value& 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 +14,21 @@ namespace dev {
             public:
                 TestFace()
                 {
+                    this->bindAndAddMethod(
+                        jsonrpc::Procedure("test_getPostState", jsonrpc::PARAMS_BY_POSITION,
+                            jsonrpc::JSON_STRING, "param1", jsonrpc::JSON_OBJECT, NULL),
+                        &dev::rpc::TestFace::test_getPostStateI);
                     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_getPostStateI(
+                    const Json::Value& request, Json::Value& response)
+                {
+                    response = this->test_getPostState(request[0u]);
+                }
                 inline virtual void test_setChainParamsI(const Json::Value &request, Json::Value &response)
                 {
                     response = this->test_setChainParams(request[0u]);
@@ -41,6 +49,7 @@ namespace dev {
                 {
                     response = this->test_rewindToBlock(request[0u].asInt());
                 }
+                virtual std::string test_getPostState(const Json::Value& 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_getPostState", "params": [{}], "order": [], "returns": ""},
 { "name": "test_setChainParams", "params": [{}], "order": [], "returns": false},
 { "name": "test_mineBlocks", "params": [0], "returns": false },
 { "name": "test_modifyTimestamp", "params": [0], "returns": false },