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rest: read raw block in rest_block and deserialize for json

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Note that for speed this commit also removes the proof of work and
signet signature checks before returning the block in getblock.
It is assumed if a block is stored it will be valid.
This commit is contained in:
Andrew Toth 2024-03-12 12:48:04 -04:00
parent 95ce0783a6
commit e710cefd57
No known key found for this signature in database
GPG Key ID: 60007AFC8938B018
1 changed files with 11 additions and 9 deletions
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20
src/rest.cpp
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@ -13,6 +13,7 @@
#include <chain.h>
#include <chainparams.h>
#include <core_io.h>
#include <flatfile.h>
#include <httpserver.h>
#include <index/blockfilterindex.h>
#include <index/txindex.h>
@ -34,7 +35,7 @@
#include <validation.h>
#include <any>
#include <string>
#include <vector>
#include <univalue.h>
@ -295,7 +296,7 @@ static bool rest_block(const std::any& context,
if (!ParseHashStr(hashStr, hash))
return RESTERR(req, HTTP_BAD_REQUEST, "Invalid hash: " + hashStr);
CBlock block;
FlatFilePos pos{};
const CBlockIndex* pblockindex = nullptr;
const CBlockIndex* tip = nullptr;
ChainstateManager* maybe_chainman = GetChainman(context, req);
@ -311,32 +312,33 @@ static bool rest_block(const std::any& context,
if (chainman.m_blockman.IsBlockPruned(*pblockindex)) {
return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not available (pruned data)");
}
pos = pblockindex->GetBlockPos();
}
if (!chainman.m_blockman.ReadBlockFromDisk(block, *pblockindex)) {
std::vector<uint8_t> block_data{};
if (!chainman.m_blockman.ReadRawBlockFromDisk(block_data, pos)) {
return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found");
}
switch (rf) {
case RESTResponseFormat::BINARY: {
DataStream ssBlock;
ssBlock << TX_WITH_WITNESS(block);
std::string binaryBlock = ssBlock.str();
const std::string binaryBlock{block_data.begin(), block_data.end()};
req->WriteHeader("Content-Type", "application/octet-stream");
req->WriteReply(HTTP_OK, binaryBlock);
return true;
}
case RESTResponseFormat::HEX: {
DataStream ssBlock;
ssBlock << TX_WITH_WITNESS(block);
std::string strHex = HexStr(ssBlock) + "\n";
const std::string strHex{HexStr(block_data) + "\n"};
req->WriteHeader("Content-Type", "text/plain");
req->WriteReply(HTTP_OK, strHex);
return true;
}
case RESTResponseFormat::JSON: {
CBlock block{};
DataStream block_stream{block_data};
block_stream >> TX_WITH_WITNESS(block);
UniValue objBlock = blockToJSON(chainman.m_blockman, block, *tip, *pblockindex, tx_verbosity);
std::string strJSON = objBlock.write() + "\n";
req->WriteHeader("Content-Type", "application/json");