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add dumpbootstrap RPC command
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Graham Higgins committed May 6, 2020
1 parent c10f256 commit 61691fd
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Showing 3 changed files with 15 additions and 71 deletions.
82 changes: 13 additions & 69 deletions src/rpcmisc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@
#endif

#include <stdint.h>
#include <iostream>
#include <fstream>
#include <boost/format.hpp>

#include <boost/assign/list_of.hpp>
#include <boost/filesystem/operations.hpp>
Expand Down Expand Up @@ -374,25 +377,19 @@ Value makekeypair(const Array& params, bool fHelp)

return result;
}
/*

Value dumpbootstrap(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 3)
throw runtime_error(
"dumpbootstrap <destination> <endblock> [startblock=0]\n"
"Creates a bootstrap format block dump of the blockchain in destination, which can be a directory or a path with filename, up to the given endblock number.\n"
"dumpbootstrap <destination>\n"
"Creates a bootstrap format block dump of the blockchain in destination, which can be a directory or a path with filename, up to 1200000.\n"
"Optional <startblock> is the first block number to dump.");

string strDest = params[0].get_str();
int nEndBlock = params[1].get_int();
if (nEndBlock < 0 || nEndBlock > nBestHeight)
throw runtime_error("End block number out of range.");

int nEndBlock = 1200000; // params[1].get_int();
int nStartBlock = 0;
if (params.size() > 2)
nStartBlock = params[2].get_int();
if (nStartBlock < 0 || nStartBlock > nEndBlock)
throw runtime_error("Start block number out of range.");

boost::filesystem::path pathDest(strDest);
if (boost::filesystem::is_directory(pathDest))
Expand All @@ -407,15 +404,13 @@ Value dumpbootstrap(const Array& params, bool fHelp)
if (!fileout)
throw JSONRPCError(-1, "Error: Could not open bootstrap file for writing.");

unsigned char pchMessageStart[4];
GetMessageStart(pchMessageStart, true);
for (int nHeight = nStartBlock; nHeight <= nEndBlock; nHeight++)
CBlockIndex* pblockindex = chainActive[nStartBlock];
while (pblockindex->nHeight < nEndBlock)
{
CBlock block;
CBlockIndex* pblockindex = FindBlockByHeight(nHeight);
block.ReadFromDisk(pblockindex, true);
fileout << FLATDATA(pchMessageStart) << fileout.GetSerializeSize(block) << block;
ReadBlockFromDisk(block, pblockindex);
fileout << FLATDATA(Params().MessageStart()) << fileout.GetSerializeSize(block) << block;
pblockindex = chainActive.Next(pblockindex);
}

} catch(const boost::filesystem::filesystem_error &e) {
Expand All @@ -424,54 +419,3 @@ Value dumpbootstrap(const Array& params, bool fHelp)

return "bootstrap file created";
}
*/

Value linearizehashes(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 3)
throw runtime_error(
"linearizehashes <destination> <endblock> [startblock=0]\n"
"Creates a dump of linearized block hashes in destination, which can be a directory or a path with filename, up to the given endblock number.\n"
"Optional <startblock> is the first block number to dump.");

string strDest = params[0].get_str();

int nEndBlock = 1646900; // 3rd Feb 2019
if (params.size() > 1)
nEndBlock = params[1].get_int();
if (nEndBlock < 0 || nEndBlock > chainActive.Height())
throw runtime_error("End block number out of range.");

int nStartBlock = 0;
if (params.size() > 2)
nStartBlock = params[2].get_int();
if (nStartBlock < 0 || nStartBlock > nEndBlock)
throw runtime_error("Start block number out of range.");

boost::filesystem::path pathDest(strDest);
if (boost::filesystem::is_directory(pathDest))
pathDest /= "hashlist.txt";

try {
FILE* file = fopen(pathDest.string().c_str(), "w");
if (!file)
throw JSONRPCError(-1, "Error: Could not open output file for writing.");

CAutoFile fileout = CAutoFile(file, SER_DISK, CLIENT_VERSION);
if (!fileout)
throw JSONRPCError(-1, "Error: Could not open output file for writing.");

for (int nHeight = nStartBlock; nHeight <= nEndBlock; nHeight++)
{
CBlock block;
CBlockIndex* pblockindex = FindBlockByHeight(nHeight);
ReadBlockFromDisk(block, pblockindex);
std::string blockhash = block.GetHash().ToString().c_str();
fileout << blockhash.append("\n");
}
} catch(const boost::filesystem::filesystem_error &e) {
throw JSONRPCError(-1, "Error: Linearized hash dump failed!");
}

return "file of linearized hashes created";
}
2 changes: 1 addition & 1 deletion src/rpcserver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -316,8 +316,8 @@ static const CRPCCommand vRPCCommands[] =

/* Utility functions */
{ "createmultisig", &createmultisig, true, true , false },
{ "linearizehashes", &linearizehashes, false, false, false },
{ "makekeypair", &makekeypair, false, false, false },
{ "dumpbootstrap", &dumpbootstrap, false, false, false },
{ "validateaddress", &validateaddress, true, false, false }, /* uses wallet if enabled */
{ "verifymessage", &verifymessage, false, false, false },

Expand Down
2 changes: 1 addition & 1 deletion src/rpcserver.h
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,7 @@ extern json_spirit::Value sendtoaddress(const json_spirit::Array& params, bool f
extern json_spirit::Value signmessage(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value verifymessage(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value makekeypair(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value linearizehashes(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value dumpbootstrap(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getreceivedbyaddress(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getreceivedbyaccount(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getbalance(const json_spirit::Array& params, bool fHelp);
Expand Down

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