Bitcoin Core 29.99.0
P2P Digital Currency
wallettool.cpp
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1// Copyright (c) 2016-2022 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
5#include <bitcoin-build-config.h> // IWYU pragma: keep
6
7#include <wallet/wallettool.h>
8
9#include <common/args.h>
10#include <util/check.h>
11#include <util/fs.h>
12#include <util/translation.h>
13#include <wallet/dump.h>
14#include <wallet/wallet.h>
15#include <wallet/walletutil.h>
16
17namespace wallet {
18namespace WalletTool {
19
20// The standard wallet deleter function blocks on the validation interface
21// queue, which doesn't exist for the bitcoin-wallet. Define our own
22// deleter here.
24{
25 wallet->WalletLogPrintf("Releasing wallet\n");
26 wallet->Close();
27 delete wallet;
28}
29
30static void WalletCreate(CWallet* wallet_instance, uint64_t wallet_creation_flags)
31{
32 LOCK(wallet_instance->cs_wallet);
33
34 wallet_instance->InitWalletFlags(wallet_creation_flags);
35
37 wallet_instance->SetupDescriptorScriptPubKeyMans();
38
39 tfm::format(std::cout, "Topping up keypool...\n");
40 wallet_instance->TopUpKeyPool();
41}
42
43static std::shared_ptr<CWallet> MakeWallet(const std::string& name, const fs::path& path, DatabaseOptions options)
44{
45 DatabaseStatus status;
46 bilingual_str error;
47 std::unique_ptr<WalletDatabase> database = MakeDatabase(path, options, status, error);
48 if (!database) {
49 tfm::format(std::cerr, "%s\n", error.original);
50 return nullptr;
51 }
52
53 // dummy chain interface
54 std::shared_ptr<CWallet> wallet_instance{new CWallet(/*chain=*/nullptr, name, std::move(database)), WalletToolReleaseWallet};
55 DBErrors load_wallet_ret;
56 try {
57 load_wallet_ret = wallet_instance->LoadWallet();
58 } catch (const std::runtime_error&) {
59 tfm::format(std::cerr, "Error loading %s. Is wallet being used by another process?\n", name);
60 return nullptr;
61 }
62
63 if (load_wallet_ret != DBErrors::LOAD_OK) {
64 if (load_wallet_ret == DBErrors::CORRUPT) {
65 tfm::format(std::cerr, "Error loading %s: Wallet corrupted", name);
66 return nullptr;
67 } else if (load_wallet_ret == DBErrors::NONCRITICAL_ERROR) {
68 tfm::format(std::cerr, "Error reading %s! All keys read correctly, but transaction data"
69 " or address book entries might be missing or incorrect.",
70 name);
71 } else if (load_wallet_ret == DBErrors::TOO_NEW) {
72 tfm::format(std::cerr, "Error loading %s: Wallet requires newer version of %s",
73 name, CLIENT_NAME);
74 return nullptr;
75 } else if (load_wallet_ret == DBErrors::NEED_REWRITE) {
76 tfm::format(std::cerr, "Wallet needed to be rewritten: restart %s to complete", CLIENT_NAME);
77 return nullptr;
78 } else if (load_wallet_ret == DBErrors::NEED_RESCAN) {
79 tfm::format(std::cerr, "Error reading %s! Some transaction data might be missing or"
80 " incorrect. Wallet requires a rescan.",
81 name);
82 } else {
83 tfm::format(std::cerr, "Error loading %s", name);
84 return nullptr;
85 }
86 }
87
88 if (options.require_create) WalletCreate(wallet_instance.get(), options.create_flags);
89
90 return wallet_instance;
91}
92
93static void WalletShowInfo(CWallet* wallet_instance)
94{
95 LOCK(wallet_instance->cs_wallet);
96
97 tfm::format(std::cout, "Wallet info\n===========\n");
98 tfm::format(std::cout, "Name: %s\n", wallet_instance->GetName());
99 tfm::format(std::cout, "Format: %s\n", wallet_instance->GetDatabase().Format());
100 tfm::format(std::cout, "Descriptors: %s\n", wallet_instance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) ? "yes" : "no");
101 tfm::format(std::cout, "Encrypted: %s\n", wallet_instance->IsCrypted() ? "yes" : "no");
102 tfm::format(std::cout, "HD (hd seed available): %s\n", wallet_instance->IsHDEnabled() ? "yes" : "no");
103 tfm::format(std::cout, "Keypool Size: %u\n", wallet_instance->GetKeyPoolSize());
104 tfm::format(std::cout, "Transactions: %zu\n", wallet_instance->mapWallet.size());
105 tfm::format(std::cout, "Address Book: %zu\n", wallet_instance->m_address_book.size());
106}
107
108bool ExecuteWalletToolFunc(const ArgsManager& args, const std::string& command)
109{
110 if (args.IsArgSet("-dumpfile") && command != "dump" && command != "createfromdump") {
111 tfm::format(std::cerr, "The -dumpfile option can only be used with the \"dump\" and \"createfromdump\" commands.\n");
112 return false;
113 }
114 if (command == "create" && !args.IsArgSet("-wallet")) {
115 tfm::format(std::cerr, "Wallet name must be provided when creating a new wallet.\n");
116 return false;
117 }
118 const std::string name = args.GetArg("-wallet", "");
120
121 if (command == "create") {
122 DatabaseOptions options;
123 ReadDatabaseArgs(args, options);
124 options.require_create = true;
127
128 const std::shared_ptr<CWallet> wallet_instance = MakeWallet(name, path, options);
129 if (wallet_instance) {
130 WalletShowInfo(wallet_instance.get());
131 wallet_instance->Close();
132 }
133 } else if (command == "info") {
134 DatabaseOptions options;
135 ReadDatabaseArgs(args, options);
136 options.require_existing = true;
137 const std::shared_ptr<CWallet> wallet_instance = MakeWallet(name, path, options);
138 if (!wallet_instance) return false;
139 WalletShowInfo(wallet_instance.get());
140 wallet_instance->Close();
141 } else if (command == "dump") {
142 DatabaseOptions options;
143 ReadDatabaseArgs(args, options);
144 options.require_existing = true;
145 DatabaseStatus status;
146
147 if (IsBDBFile(BDBDataFile(path))) {
149 }
150
151 bilingual_str error;
152 std::unique_ptr<WalletDatabase> database = MakeDatabase(path, options, status, error);
153 if (!database) {
154 tfm::format(std::cerr, "%s\n", error.original);
155 return false;
156 }
157
158 bool ret = DumpWallet(args, *database, error);
159 if (!ret && !error.empty()) {
160 tfm::format(std::cerr, "%s\n", error.original);
161 return ret;
162 }
163 tfm::format(std::cout, "The dumpfile may contain private keys. To ensure the safety of your Bitcoin, do not share the dumpfile.\n");
164 return ret;
165 } else if (command == "createfromdump") {
166 bilingual_str error;
167 std::vector<bilingual_str> warnings;
168 bool ret = CreateFromDump(args, name, path, error, warnings);
169 for (const auto& warning : warnings) {
170 tfm::format(std::cout, "%s\n", warning.original);
171 }
172 if (!ret && !error.empty()) {
173 tfm::format(std::cerr, "%s\n", error.original);
174 }
175 return ret;
176 } else {
177 tfm::format(std::cerr, "Invalid command: %s\n", command);
178 return false;
179 }
180
181 return true;
182}
183} // namespace WalletTool
184} // namespace wallet
int ret
const auto command
ArgsManager & args
Definition: bitcoind.cpp:277
#define Assert(val)
Identity function.
Definition: check.h:106
bool IsArgSet(const std::string &strArg) const
Return true if the given argument has been manually set.
Definition: args.cpp:371
std::string GetArg(const std::string &strArg, const std::string &strDefault) const
Return string argument or default value.
Definition: args.cpp:457
A CWallet maintains a set of transactions and balances, and provides the ability to create new transa...
Definition: wallet.h:311
bool TopUpKeyPool(unsigned int kpSize=0)
Definition: wallet.cpp:2479
bool IsCrypted() const
Definition: wallet.cpp:3278
unsigned int GetKeyPoolSize() const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet)
Definition: wallet.cpp:2468
const std::string & GetName() const
Get a name for this wallet for logging/debugging purposes.
Definition: wallet.h:471
void SetupDescriptorScriptPubKeyMans(WalletBatch &batch, const CExtKey &master_key) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet)
Create new DescriptorScriptPubKeyMans and add them to the wallet.
Definition: wallet.cpp:3524
WalletDatabase & GetDatabase() const override
Definition: wallet.h:463
RecursiveMutex cs_wallet
Main wallet lock.
Definition: wallet.h:461
virtual std::string Format()=0
static path PathFromString(const std::string &string)
Convert byte string to path object.
Definition: fs.h:174
bool IsWalletFlagSet(uint64_t flag) const override
check if a certain wallet flag is set
Definition: wallet.cpp:1709
bool IsHDEnabled() const
Definition: wallet.cpp:1652
void InitWalletFlags(uint64_t flags)
overwrite all flags by the given uint64_t flags must be uninitialised (or 0) only known flags may be ...
Definition: wallet.cpp:1726
fs::path AbsPathJoin(const fs::path &base, const fs::path &path)
Helper function for joining two paths.
Definition: fs.cpp:36
void format(std::ostream &out, FormatStringCheck< sizeof...(Args)> fmt, const Args &... args)
Format list of arguments to the stream according to given format string.
Definition: tinyformat.h:1079
static std::shared_ptr< CWallet > MakeWallet(const std::string &name, const fs::path &path, DatabaseOptions options)
Definition: wallettool.cpp:43
static void WalletShowInfo(CWallet *wallet_instance)
Definition: wallettool.cpp:93
static void WalletToolReleaseWallet(CWallet *wallet)
Definition: wallettool.cpp:23
bool ExecuteWalletToolFunc(const ArgsManager &args, const std::string &command)
Definition: wallettool.cpp:108
static void WalletCreate(CWallet *wallet_instance, uint64_t wallet_creation_flags)
Definition: wallettool.cpp:30
void ReadDatabaseArgs(const ArgsManager &args, DatabaseOptions &options)
Definition: db.cpp:153
std::unique_ptr< WalletDatabase > MakeDatabase(const fs::path &path, const DatabaseOptions &options, DatabaseStatus &status, bilingual_str &error)
Definition: walletdb.cpp:1304
DBErrors
Overview of wallet database classes:
Definition: walletdb.h:41
bool CreateFromDump(const ArgsManager &args, const std::string &name, const fs::path &wallet_path, bilingual_str &error, std::vector< bilingual_str > &warnings)
Definition: dump.cpp:122
fs::path GetWalletDir()
Get the path of the wallet directory.
Definition: walletutil.cpp:13
bool IsBDBFile(const fs::path &path)
Definition: db.cpp:94
fs::path BDBDataFile(const fs::path &wallet_path)
Definition: db.cpp:75
bool DumpWallet(const ArgsManager &args, WalletDatabase &db, bilingual_str &error)
Definition: dump.cpp:24
@ WALLET_FLAG_DESCRIPTORS
Indicate that this wallet supports DescriptorScriptPubKeyMan.
Definition: walletutil.h:53
DatabaseStatus
Definition: db.h:186
const char * name
Definition: rest.cpp:50
Bilingual messages:
Definition: translation.h:24
bool empty() const
Definition: translation.h:35
std::string original
Definition: translation.h:25
bool require_existing
Definition: db.h:173
std::optional< DatabaseFormat > require_format
Definition: db.h:175
uint64_t create_flags
Definition: db.h:176
#define LOCK(cs)
Definition: sync.h:259