Bitcoin Core  27.99.0
P2P Digital Currency
blockmanager_args.cpp
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1 // Copyright (c) 2023 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
6 
7 #include <common/args.h>
8 #include <node/blockstorage.h>
9 #include <tinyformat.h>
10 #include <util/result.h>
11 #include <util/translation.h>
12 #include <validation.h>
13 
14 #include <cstdint>
15 
16 namespace node {
18 {
19  // block pruning; get the amount of disk space (in MiB) to allot for block & undo files
20  int64_t nPruneArg{args.GetIntArg("-prune", opts.prune_target)};
21  if (nPruneArg < 0) {
22  return util::Error{_("Prune cannot be configured with a negative value.")};
23  }
24  uint64_t nPruneTarget{uint64_t(nPruneArg) * 1024 * 1024};
25  if (nPruneArg == 1) { // manual pruning: -prune=1
26  nPruneTarget = BlockManager::PRUNE_TARGET_MANUAL;
27  } else if (nPruneTarget) {
28  if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) {
29  return util::Error{strprintf(_("Prune configured below the minimum of %d MiB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024)};
30  }
31  }
32  opts.prune_target = nPruneTarget;
33 
34  if (auto value{args.GetBoolArg("-fastprune")}) opts.fast_prune = *value;
35 
36  return {};
37 }
38 } // namespace node
ArgsManager & args
Definition: bitcoind.cpp:268
int64_t GetIntArg(const std::string &strArg, int64_t nDefault) const
Return integer argument or default value.
Definition: args.cpp:480
bool GetBoolArg(const std::string &strArg, bool fDefault) const
Return boolean argument or default value.
Definition: args.cpp:505
static constexpr auto PRUNE_TARGET_MANUAL
Definition: blockstorage.h:323
Definition: init.h:25
util::Result< void > ApplyArgsManOptions(const ArgsManager &args, BlockManager::Options &opts)
An options struct for BlockManager, more ergonomically referred to as BlockManager::Options due to th...
#define strprintf
Format arguments and return the string or write to given std::ostream (see tinyformat::format doc for...
Definition: tinyformat.h:1162
bilingual_str _(const char *psz)
Translation function.
Definition: translation.h:74
static const uint64_t MIN_DISK_SPACE_FOR_BLOCK_FILES
Definition: validation.h:77