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-rw-r--r--src/rest.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/rest.cpp b/src/rest.cpp
index 6329b44c53..c52dbb3cd2 100644
--- a/src/rest.cpp
+++ b/src/rest.cpp
@@ -89,6 +89,69 @@ static bool ParseHashStr(const string& strReq, uint256& v)
return true;
}
+static bool rest_headers(AcceptedConnection* conn,
+ string& strReq,
+ map<string, string>& mapHeaders,
+ bool fRun)
+{
+ vector<string> params;
+ enum RetFormat rf = ParseDataFormat(params, strReq);
+ vector<string> path;
+ boost::split(path, params[0], boost::is_any_of("/"));
+
+ if (path.size() != 2)
+ throw RESTERR(HTTP_BAD_REQUEST, "No header count specified. Use /rest/headers/<count>/<hash>.<ext>.");
+
+ long count = strtol(path[0].c_str(), NULL, 10);
+ if (count < 1 || count > 2000)
+ throw RESTERR(HTTP_BAD_REQUEST, "Header count out of range: " + path[0]);
+
+ string hashStr = path[1];
+ uint256 hash;
+ if (!ParseHashStr(hashStr, hash))
+ throw RESTERR(HTTP_BAD_REQUEST, "Invalid hash: " + hashStr);
+
+ std::vector<CBlockHeader> headers;
+ headers.reserve(count);
+ {
+ LOCK(cs_main);
+ BlockMap::const_iterator it = mapBlockIndex.find(hash);
+ const CBlockIndex *pindex = (it != mapBlockIndex.end()) ? it->second : NULL;
+ while (pindex != NULL && chainActive.Contains(pindex)) {
+ headers.push_back(pindex->GetBlockHeader());
+ if (headers.size() == (unsigned long)count)
+ break;
+ pindex = chainActive.Next(pindex);
+ }
+ }
+
+ CDataStream ssHeader(SER_NETWORK, PROTOCOL_VERSION);
+ BOOST_FOREACH(const CBlockHeader &header, headers) {
+ ssHeader << header;
+ }
+
+ switch (rf) {
+ case RF_BINARY: {
+ string binaryHeader = ssHeader.str();
+ conn->stream() << HTTPReplyHeader(HTTP_OK, fRun, binaryHeader.size(), "application/octet-stream") << binaryHeader << std::flush;
+ return true;
+ }
+
+ case RF_HEX: {
+ string strHex = HexStr(ssHeader.begin(), ssHeader.end()) + "\n";
+ conn->stream() << HTTPReply(HTTP_OK, strHex, fRun, false, "text/plain") << std::flush;
+ return true;
+ }
+
+ default: {
+ throw RESTERR(HTTP_NOT_FOUND, "output format not found (available: .bin, .hex)");
+ }
+ }
+
+ // not reached
+ return true; // continue to process further HTTP reqs on this cxn
+}
+
static bool rest_block(AcceptedConnection* conn,
string& strReq,
map<string, string>& mapHeaders,
@@ -224,6 +287,7 @@ static const struct {
{"/rest/tx/", rest_tx},
{"/rest/block/notxdetails/", rest_block_notxdetails},
{"/rest/block/", rest_block_extended},
+ {"/rest/headers/", rest_headers},
};
bool HTTPReq_REST(AcceptedConnection* conn,