RPC: add versionHex in getblock and getblockheader JSON results; expand data in getblockchaininfo bip9_softforks field.

qa/rpc-tests/blockchain.py

@@ -82,6 +82,7 @@ class BlockchainTest(BitcoinTestFramework):
         assert isinstance(header['mediantime'], int)
         assert isinstance(header['nonce'], int)
         assert isinstance(header['version'], int)
+        assert isinstance(int(header['versionHex'], 16), int)
         assert isinstance(header['difficulty'], Decimal)
 
 if __name__ == '__main__':

src/rpc/blockchain.cpp

@@ -70,6 +70,7 @@ UniValue blockheaderToJSON(const CBlockIndex* blockindex)
     result.push_back(Pair("confirmations", confirmations));
     result.push_back(Pair("height", blockindex->nHeight));
     result.push_back(Pair("version", blockindex->nVersion));
+    result.push_back(Pair("versionHex", strprintf("%08x", blockindex->nVersion)));
     result.push_back(Pair("merkleroot", blockindex->hashMerkleRoot.GetHex()));
     result.push_back(Pair("time", (int64_t)blockindex->nTime));
     result.push_back(Pair("mediantime", (int64_t)blockindex->GetMedianTimePast()));
@@ -98,6 +99,7 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx
     result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
     result.push_back(Pair("height", blockindex->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);
     BOOST_FOREACH(const CTransaction&tx, block.vtx)
@@ -316,6 +318,7 @@ UniValue getblockheader(const UniValue& params, bool fHelp)
             "  \"confirmations\" : n,   (numeric) The number of confirmations, or -1 if the block is not on the main chain\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"
             "  \"time\" : ttt,          (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)\n"
             "  \"mediantime\" : ttt,    (numeric) The median block time in seconds since epoch (Jan 1 1970 GMT)\n"
@@ -375,6 +378,7 @@ UniValue getblock(const UniValue& params, bool fHelp)
             "  \"size\" : n,            (numeric) The block size\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"
@@ -608,13 +612,20 @@ static UniValue BIP9SoftForkDesc(const std::string& name, const Consensus::Param
 {
     UniValue rv(UniValue::VOBJ);
     rv.push_back(Pair("id", name));
-    switch (VersionBitsTipState(consensusParams, id)) {
+    const ThresholdState thresholdState = VersionBitsTipState(consensusParams, id);
+    switch (thresholdState) {
     case THRESHOLD_DEFINED: rv.push_back(Pair("status", "defined")); break;
     case THRESHOLD_STARTED: rv.push_back(Pair("status", "started")); break;
     case THRESHOLD_LOCKED_IN: rv.push_back(Pair("status", "locked_in")); break;
     case THRESHOLD_ACTIVE: rv.push_back(Pair("status", "active")); break;
     case THRESHOLD_FAILED: rv.push_back(Pair("status", "failed")); break;
     }
+    if (THRESHOLD_STARTED == thresholdState)
+    {
+        rv.push_back(Pair("bit", consensusParams.vDeployments[id].bit));
+    }
+    rv.push_back(Pair("startTime", consensusParams.vDeployments[id].nStartTime));
+    rv.push_back(Pair("timeout", consensusParams.vDeployments[id].nTimeout));
     return rv;
 }
 
@@ -653,6 +664,9 @@ UniValue getblockchaininfo(const UniValue& params, bool fHelp)
             "     {\n"
             "        \"id\": \"xxxx\",        (string) name of the softfork\n"
             "        \"status\": \"xxxx\",    (string) one of \"defined\", \"started\", \"lockedin\", \"active\", \"failed\"\n"
+            "        \"bit\": xx,             (numeric) the bit, 0-28, in the block version field used to signal this soft fork\n"
+            "        \"startTime\": xx,       (numeric) the minimum median time past of a block at which the bit gains its meaning\n"
+            "        \"timeout\": xx          (numeric) the median time past of a block at which the deployment is considered failed if not yet locked in\n"
             "     }\n"
             "  ]\n"
             "}\n"