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// Copyright (c) 2016-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <base58.h>
#include <fs.h>
#include <interfaces/chain.h>
#include <util/system.h>
#include <wallet/wallet.h>
#include <wallet/walletutil.h>
namespace WalletTool {
// The standard wallet deleter function blocks on the validation interface
// queue, which doesn't exist for the bitcoin-wallet. Define our own
// deleter here.
static void WalletToolReleaseWallet(CWallet* wallet)
{
wallet->WalletLogPrintf("Releasing wallet\n");
wallet->Flush(true);
delete wallet;
}
static std::shared_ptr<CWallet> CreateWallet(const std::string& name, const fs::path& path)
{
if (fs::exists(path)) {
fprintf(stderr, "Error: File exists already\n");
return nullptr;
}
// dummy chain interface
auto chain = interfaces::MakeChain();
std::shared_ptr<CWallet> wallet_instance(new CWallet(*chain, WalletLocation(name), WalletDatabase::Create(path)), WalletToolReleaseWallet);
bool first_run = true;
DBErrors load_wallet_ret = wallet_instance->LoadWallet(first_run);
if (load_wallet_ret != DBErrors::LOAD_OK) {
fprintf(stderr, "Error creating %s", name.c_str());
return nullptr;
}
wallet_instance->SetMinVersion(FEATURE_HD_SPLIT);
// generate a new HD seed
CPubKey seed = wallet_instance->GenerateNewSeed();
wallet_instance->SetHDSeed(seed);
fprintf(stdout, "Topping up keypool...\n");
wallet_instance->TopUpKeyPool();
return wallet_instance;
}
static std::shared_ptr<CWallet> LoadWallet(const std::string& name, const fs::path& path)
{
if (!fs::exists(path)) {
fprintf(stderr, "Error: Wallet files does not exist\n");
return nullptr;
}
// dummy chain interface
auto chain = interfaces::MakeChain();
std::shared_ptr<CWallet> wallet_instance(new CWallet(*chain, WalletLocation(name), WalletDatabase::Create(path)), WalletToolReleaseWallet);
DBErrors load_wallet_ret;
try {
bool first_run;
load_wallet_ret = wallet_instance->LoadWallet(first_run);
} catch (const std::runtime_error) {
fprintf(stderr, "Error loading %s. Is wallet being used by another process?\n", name.c_str());
return nullptr;
}
if (load_wallet_ret != DBErrors::LOAD_OK) {
wallet_instance = nullptr;
if (load_wallet_ret == DBErrors::CORRUPT) {
fprintf(stderr, "Error loading %s: Wallet corrupted", name.c_str());
return nullptr;
} else if (load_wallet_ret == DBErrors::NONCRITICAL_ERROR) {
fprintf(stderr, "Error reading %s! All keys read correctly, but transaction data"
" or address book entries might be missing or incorrect.",
name.c_str());
} else if (load_wallet_ret == DBErrors::TOO_NEW) {
fprintf(stderr, "Error loading %s: Wallet requires newer version of %s",
name.c_str(), PACKAGE_NAME);
return nullptr;
} else if (load_wallet_ret == DBErrors::NEED_REWRITE) {
fprintf(stderr, "Wallet needed to be rewritten: restart %s to complete", PACKAGE_NAME);
return nullptr;
} else {
fprintf(stderr, "Error loading %s", name.c_str());
return nullptr;
}
}
return wallet_instance;
}
static void WalletShowInfo(CWallet* wallet_instance)
{
LOCK(wallet_instance->cs_wallet);
fprintf(stdout, "Wallet info\n===========\n");
fprintf(stdout, "Encrypted: %s\n", wallet_instance->IsCrypted() ? "yes" : "no");
fprintf(stdout, "HD (hd seed available): %s\n", wallet_instance->GetHDChain().seed_id.IsNull() ? "no" : "yes");
fprintf(stdout, "Keypool Size: %u\n", wallet_instance->GetKeyPoolSize());
fprintf(stdout, "Transactions: %zu\n", wallet_instance->mapWallet.size());
fprintf(stdout, "Address Book: %zu\n", wallet_instance->mapAddressBook.size());
}
bool ExecuteWalletToolFunc(const std::string& command, const std::string& name)
{
fs::path path = fs::absolute(name, GetWalletDir());
if (command == "create") {
std::shared_ptr<CWallet> wallet_instance = CreateWallet(name, path);
if (wallet_instance) {
WalletShowInfo(wallet_instance.get());
wallet_instance->Flush(true);
}
} else if (command == "info") {
if (!fs::exists(path)) {
fprintf(stderr, "Error: no wallet file at %s\n", name.c_str());
return false;
}
std::string error;
if (!WalletBatch::VerifyEnvironment(path, error)) {
fprintf(stderr, "Error loading %s. Is wallet being used by other process?\n", name.c_str());
return false;
}
std::shared_ptr<CWallet> wallet_instance = LoadWallet(name, path);
if (!wallet_instance) return false;
WalletShowInfo(wallet_instance.get());
wallet_instance->Flush(true);
} else {
fprintf(stderr, "Invalid command: %s\n", command.c_str());
return false;
}
return true;
}
} // namespace WalletTool
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