Add decodeblock rpc call

RavenProject · Jul 7, 2020 · ae65a29 · ae65a29
1 parent 627a6f0
commit ae65a29
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Showing 2 changed files with 71 additions and 0 deletions.
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
@@ -263,6 +263,36 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx
     return result;
 }
 
+UniValue decodeblockToJSON(const CBlock& block)
+{
+    UniValue result(UniValue::VOBJ);
+    result.push_back(Pair("hash", block.GetHash().GetHex()));
+
+    result.push_back(Pair("strippedsize", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS)));
+    result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
+    result.push_back(Pair("weight", (int)::GetBlockWeight(block)));
+    result.push_back(Pair("height", (int)block.nHeight));
+    result.push_back(Pair("version", block.nVersion));
+    result.push_back(Pair("versionHex", strprintf("%08x", block.nVersion)));
+    result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
+    UniValue txs(UniValue::VARR);
+    for(const auto& tx : block.vtx)
+    {
+        UniValue objTx(UniValue::VOBJ);
+        TxToUniv(*tx, uint256(), objTx, true, RPCSerializationFlags());
+        txs.push_back(objTx);
+    }
+    result.push_back(Pair("tx", txs));
+    result.push_back(Pair("time", block.GetBlockTime()));
+    result.push_back(Pair("nonce", (uint64_t)block.nNonce));
+    result.push_back(Pair("bits", strprintf("%08x", block.nBits)));
+    result.push_back(Pair("headerhash", block.GetKAWPOWHeaderHash().GetHex()));
+    result.push_back(Pair("mixhash", block.mix_hash.GetHex()));
+    result.push_back(Pair("nonce64", (uint64_t)block.nNonce64));
+
+    return result;
+}
+
 UniValue getblockcount(const JSONRPCRequest& request)
 {
     if (request.fHelp || request.params.size() != 0)
@@ -990,6 +1020,45 @@ UniValue getblock(const JSONRPCRequest& request)
     return blockToJSON(block, pblockindex, verbosity >= 2);
 }
 
+UniValue decodeblock(const JSONRPCRequest& request)
+{
+    if (request.fHelp || request.params.size() != 1)
+        throw std::runtime_error(
+                "decodeblock \"blockhex\"\n"
+                "\nArguments:\n"
+                "1. \"blockhex\"          (string, required) The block hex\n"
+                "\nResult:\n"
+                "{\n"
+                "  \"hash\" : \"hash\",     (string) the block hash (same as provided)\n"
+                "  \"size\" : n,            (numeric) The block size\n"
+                "  \"strippedsize\" : n,    (numeric) The block size excluding witness data\n"
+                "  \"weight\" : n           (numeric) The block weight as defined in BIP 141\n"
+                "  \"height\" : n,          (numeric) The block height or index\n"
+                "  \"version\" : n,         (numeric) The block version\n"
+                "  \"versionHex\" : \"00000000\", (string) The block version formatted in hexadecimal\n"
+                "  \"merkleroot\" : \"xxxx\", (string) The merkle root\n"
+                "  \"tx\" : [               (array of string) The transaction ids\n"
+                "     \"transactionid\"     (string) The transaction id\n"
+                "     ,...\n"
+                "  ],\n"
+                "  \"time\" : ttt,          (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)\n"
+                "  \"nonce\" : n,           (numeric) The nonce\n"
+                "  \"bits\" : \"1d00ffff\", (string) The bits\n"
+                "}\n"
+                "\nExamples:\n"
+                + HelpExampleCli("decodeblock", "\"xxxx\"")
+                + HelpExampleRpc("decodeblock", "\"xxxx\"")
+        );
+
+    std::string strHex = request.params[0].get_str();
+    CBlock block;
+    DecodeHexBlk(block, strHex);
+
+    return decodeblockToJSON(block);
+}
+
+
+
 struct CCoinsStats
 {
     int nHeight;
@@ -1833,6 +1902,7 @@ static const CRPCCommand commands[] =
     { "blockchain",         "getbestblockhash",       &getbestblockhash,       {} },
     { "blockchain",         "getblockcount",          &getblockcount,          {} },
     { "blockchain",         "getblock",               &getblock,               {"blockhash","verbosity|verbose"} },
+    { "blockchain",         "decodeblock",            &decodeblock,               {"blockhex",} },
     { "blockchain",         "getblockdeltas",         &getblockdeltas,         {} },
     { "blockchain",         "getblockhashes",         &getblockhashes,         {} },
     { "blockchain",         "getblockhash",           &getblockhash,           {"height"} },

diff --git a/src/rpc/blockchain.h b/src/rpc/blockchain.h
@@ -30,6 +30,7 @@ void RPCNotifyBlockChange(bool ibd, const CBlockIndex *);
 
 /** Block description to JSON */
 UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool txDetails = false);
+UniValue decodeblockToJSON(const CBlock& block);
 
 /** Mempool information to JSON */
 UniValue mempoolInfoToJSON();