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wallet: add multisig sign/submit RPC

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This commit is contained in:
moneromooo-monero 2017-11-27 20:09:16 +00:00
parent e36f5b6021
commit 2fa707d1a5
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
6 changed files with 470 additions and 113 deletions
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62
src/wallet/wallet2.cpp
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@ -4477,25 +4477,12 @@ bool wallet2::save_multisig_tx(const std::vector<pending_tx>& ptx_vector, const
return epee::file_io_utils::save_string_to_file(filename, ciphertext);
}
//----------------------------------------------------------------------------------------------------
bool wallet2::load_multisig_tx_from_file(const std::string &filename, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func)
bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func)
{
std::string s;
boost::system::error_code errcode;
if (!boost::filesystem::exists(filename, errcode))
{
LOG_PRINT_L0("File " << filename << " does not exist: " << errcode);
return false;
}
if (!epee::file_io_utils::load_file_to_string(filename.c_str(), s))
{
LOG_PRINT_L0("Failed to load from " << filename);
return false;
}
const size_t magiclen = strlen(MULTISIG_UNSIGNED_TX_PREFIX);
if (strncmp(s.c_str(), MULTISIG_UNSIGNED_TX_PREFIX, magiclen))
{
LOG_PRINT_L0("Bad magic from " << filename);
LOG_PRINT_L0("Bad magic from multisig tx data");
return false;
}
try
@ -4504,8 +4491,8 @@ bool wallet2::load_multisig_tx_from_file(const std::string &filename, multisig_t
}
catch (const std::exception &e)
{
LOG_PRINT_L0("Failed to decrypt " << filename << ": " << e.what());
return 0;
LOG_PRINT_L0("Failed to decrypt multisig tx data: " << e.what());
return false;
}
try
{
@ -4515,7 +4502,7 @@ bool wallet2::load_multisig_tx_from_file(const std::string &filename, multisig_t
}
catch (...)
{
LOG_PRINT_L0("Failed to parse data from " << filename);
LOG_PRINT_L0("Failed to parse multisig tx data");
return false;
}
@ -4557,12 +4544,43 @@ bool wallet2::load_multisig_tx_from_file(const std::string &filename, multisig_t
return true;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::load_multisig_tx_from_file(const std::string &filename, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func)
{
std::string s;
boost::system::error_code errcode;
if (!boost::filesystem::exists(filename, errcode))
{
LOG_PRINT_L0("File " << filename << " does not exist: " << errcode);
return false;
}
if (!epee::file_io_utils::load_file_to_string(filename.c_str(), s))
{
LOG_PRINT_L0("Failed to load from " << filename);
return false;
}
if (!load_multisig_tx(s, exported_txs, accept_func))
{
LOG_PRINT_L0("Failed to parse multisig tx data from " << filename);
return false;
}
return true;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::sign_multisig_tx(multisig_tx_set &exported_txs, std::vector<crypto::hash> &txids)
{
THROW_WALLET_EXCEPTION_IF(exported_txs.m_ptx.empty(), error::wallet_internal_error, "No tx found");
const crypto::public_key local_signer = get_multisig_signer_public_key();
THROW_WALLET_EXCEPTION_IF(exported_txs.m_signers.find(local_signer) != exported_txs.m_signers.end(),
error::wallet_internal_error, "Transaction already signed by this private key");
THROW_WALLET_EXCEPTION_IF(exported_txs.m_signers.size() > m_multisig_threshold,
error::wallet_internal_error, "Transaction was signed by too many signers");
THROW_WALLET_EXCEPTION_IF(exported_txs.m_signers.size() == m_multisig_threshold,
error::wallet_internal_error, "Transaction is already fully signed");
txids.clear();
// sign the transactions
@ -4667,14 +4685,6 @@ bool wallet2::sign_multisig_tx_from_file(const std::string &filename, std::vecto
if(!load_multisig_tx_from_file(filename, exported_txs))
return false;
const crypto::public_key signer = get_multisig_signer_public_key();
THROW_WALLET_EXCEPTION_IF(exported_txs.m_signers.find(signer) != exported_txs.m_signers.end(),
error::wallet_internal_error, "Transaction already signed by this private key");
THROW_WALLET_EXCEPTION_IF(exported_txs.m_signers.size() > m_multisig_threshold,
error::wallet_internal_error, "Transaction was signed by too many signers");
THROW_WALLET_EXCEPTION_IF(exported_txs.m_signers.size() == m_multisig_threshold,
error::wallet_internal_error, "Transaction is already fully signed");
if (accept_func && !accept_func(exported_txs))
{
LOG_PRINT_L1("Transactions rejected by callback");