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wallet: add watch only wallet support

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The new save_watch_only saves a copy of the keys file without the
spend key. It can then be given away to be used as a normal keys
file, but with no spend ability.
This commit is contained in:
moneromooo-monero
2015-05-31 15:34:55 +01:00
parent f7767c6508
commit c882af63c1
4 changed files with 84 additions and 7 deletions
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40
src/simplewallet/simplewallet.cpp
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@@ -299,6 +299,7 @@ simple_wallet::simple_wallet()
m_cmd_binder.set_handler("set_log", boost::bind(&simple_wallet::set_log, this, _1), "set_log <level> - Change current log detalization level, <level> is a number 0-4");
m_cmd_binder.set_handler("address", boost::bind(&simple_wallet::print_address, this, _1), "Show current wallet public address");
m_cmd_binder.set_handler("save", boost::bind(&simple_wallet::save, this, _1), "Save wallet synchronized data");
m_cmd_binder.set_handler("save_watch_only", boost::bind(&simple_wallet::save_watch_only, this, _1), "Save watch only keys file");
m_cmd_binder.set_handler("viewkey", boost::bind(&simple_wallet::viewkey, this, _1), "Get viewkey");
m_cmd_binder.set_handler("spendkey", boost::bind(&simple_wallet::spendkey, this, _1), "Get spendkey");
m_cmd_binder.set_handler("seed", boost::bind(&simple_wallet::seed, this, _1), "Get deterministic seed");
@@ -680,7 +681,8 @@ bool simple_wallet::open_wallet(const string &wallet_file, const std::string& pa
try
{
m_wallet->load(m_wallet_file, password);
message_writer(epee::log_space::console_color_white, true) << "Opened wallet: "
std::string wallet_type = m_wallet->watch_only() ? "watch-only wallet" : "wallet";
message_writer(epee::log_space::console_color_white, true) << "Opened " << wallet_type << ": "
<< m_wallet->get_account().get_public_address_str(m_wallet->testnet());
// If the wallet file is deprecated, we should ask for mnemonic language again and store
// everything in the new format.
@@ -760,6 +762,30 @@ bool simple_wallet::save(const std::vector<std::string> &args)
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::save_watch_only(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
bool success = false;
tools::password_container pwd_container;
success = pwd_container.read_password();
if (!success)
{
fail_msg_writer() << "failed to read wallet password";
return true;
}
/* verify password before using so user doesn't accidentally set a new password for rewritten wallet */
success = m_wallet->verify_password(pwd_container.password());
if (!success)
{
fail_msg_writer() << "invalid password";
return true;
}
m_wallet->write_watch_only_wallet(m_wallet_file, pwd_container.password());
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::start_mining(const std::vector<std::string>& args)
{
@@ -1104,6 +1130,12 @@ bool simple_wallet::transfer(const std::vector<std::string> &args_)
return true;
}
if(m_wallet->watch_only())
{
fail_msg_writer() << "This is a watch only wallet";
return true;
}
std::vector<uint8_t> extra;
if (1 == local_args.size() % 2)
{
@@ -1316,6 +1348,12 @@ bool simple_wallet::sweep_dust(const std::vector<std::string> &args_)
if (!try_connect_to_daemon())
return true;
if(m_wallet->watch_only())
{
fail_msg_writer() << "This is a watch only wallet";
return true;
}
try
{
uint64_t total_dust = m_wallet->unlocked_dust_balance(tools::tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD));