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rpc: read raw block in getblock and deserialize for verbosity > 0

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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 12:47:17 -04:00
parent 0865ab8712
commit 95ce0783a6
No known key found for this signature in database
GPG Key ID: 60007AFC8938B018
1 changed files with 29 additions and 5 deletions
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34
src/rpc/blockchain.cpp
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@ -17,6 +17,7 @@
#include <core_io.h>
#include <deploymentinfo.h>
#include <deploymentstatus.h>
#include <flatfile.h>
#include <hash.h>
#include <index/blockfilterindex.h>
#include <index/coinstatsindex.h>
@ -595,6 +596,28 @@ static CBlock GetBlockChecked(BlockManager& blockman, const CBlockIndex& blockin
return block;
}
static std::vector<uint8_t> GetRawBlockChecked(BlockManager& blockman, const CBlockIndex& blockindex)
{
std::vector<uint8_t> data{};
FlatFilePos pos{};
{
LOCK(cs_main);
if (blockman.IsBlockPruned(blockindex)) {
throw JSONRPCError(RPC_MISC_ERROR, "Block not available (pruned data)");
}
pos = blockindex.GetBlockPos();
}
if (!blockman.ReadRawBlockFromDisk(data, pos)) {
// Block not found on disk. This could be because we have the block
// header in our index but not yet have the block or did not accept the
// block. Or if the block was pruned right after we released the lock above.
throw JSONRPCError(RPC_MISC_ERROR, "Block not found on disk");
}
return data;
}
static CBlockUndo GetUndoChecked(BlockManager& blockman, const CBlockIndex& blockindex)
{
CBlockUndo blockUndo;
@ -735,15 +758,16 @@ static RPCHelpMan getblock()
}
}
const CBlock block{GetBlockChecked(chainman.m_blockman, *pblockindex)};
const std::vector<uint8_t> block_data{GetRawBlockChecked(chainman.m_blockman, *pblockindex)};
if (verbosity <= 0) {
DataStream ssBlock;
ssBlock << TX_WITH_WITNESS(block);
std::string strHex = HexStr(ssBlock);
return strHex;
return HexStr(block_data);
}
DataStream block_stream{block_data};
CBlock block{};
block_stream >> TX_WITH_WITNESS(block);
TxVerbosity tx_verbosity;
if (verbosity == 1) {
tx_verbosity = TxVerbosity::SHOW_TXID;