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N-1/N multisig

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moneromooo-monero 2017-08-13 15:29:31 +01:00
parent cd64c7990c
commit f4eda44ce3
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
12 changed files with 849 additions and 143 deletions
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104
src/wallet/wallet_rpc_server.cpp
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@ -2446,7 +2446,7 @@ namespace tools
try
{
m_wallet->make_multisig(req.password, secret_keys, public_keys, req.threshold);
res.multisig_info = m_wallet->make_multisig(req.password, secret_keys, public_keys, req.threshold);
res.address = m_wallet->get_account().get_public_address_str(m_wallet->testnet());
}
catch (const std::exception &e)
@ -2490,9 +2490,16 @@ namespace tools
res.info.resize(info.size());
for (size_t n = 0; n < info.size(); ++n)
{
res.info[n].partial_key_image = epee::string_tools::pod_to_hex(info[n].m_partial_key_image);
res.info[n].L = epee::string_tools::pod_to_hex(info[n].m_L);
res.info[n].R = epee::string_tools::pod_to_hex(info[n].m_R);
res.info[n].signer = epee::string_tools::pod_to_hex(info[n].m_signer);
res.info[n].LR.resize(info[n].m_LR.size());
for (size_t l = 0; l < info[n].m_LR.size(); ++l)
{
res.info[n].LR[l].L = epee::string_tools::pod_to_hex(info[n].m_LR[l].m_L);
res.info[n].LR[l].R = epee::string_tools::pod_to_hex(info[n].m_LR[l].m_R);
}
res.info[n].partial_key_images.resize(info[n].m_partial_key_images.size());
for (size_t l = 0; l < info[n].m_partial_key_images.size(); ++l)
res.info[n].partial_key_images[l] = epee::string_tools::pod_to_hex(info[n].m_partial_key_images[l]);
}
return true;
@ -2529,17 +2536,34 @@ namespace tools
info[n].resize(req.info[n].info.size());
for (size_t i = 0; i < info[n].size(); ++i)
{
if (!epee::string_tools::hex_to_pod(req.info[n].info[i].partial_key_image, info[n][i].m_partial_key_image))
const auto &src = req.info[n].info[i];
auto &dst = info[n][i];
if (!epee::string_tools::hex_to_pod(src.signer, dst.m_signer))
{
er.code = WALLET_RPC_ERROR_CODE_WRONG_KEY_IMAGE;
er.message = "Failed to parse partial key image from multisig info";
er.code = WALLET_RPC_ERROR_CODE_WRONG_ADDRESS;
er.message = "Failed to parse signer from multisig info";
return false;
}
if (!epee::string_tools::hex_to_pod(req.info[n].info[i].L, info[n][i].m_L) || !epee::string_tools::hex_to_pod(req.info[n].info[i].R, info[n][i].m_R))
dst.m_LR.resize(src.LR.size());
for (size_t l = 0; l < src.LR.size(); ++l)
{
er.code = WALLET_RPC_ERROR_CODE_WRONG_LR;
er.message = "Failed to parse L/R info from hex";
return false;
if (!epee::string_tools::hex_to_pod(src.LR[l].L, dst.m_LR[l].m_L) || !epee::string_tools::hex_to_pod(src.LR[l].R, dst.m_LR[l].m_R))
{
er.code = WALLET_RPC_ERROR_CODE_WRONG_LR;
er.message = "Failed to parse L/R from multisig info";
return false;
}
}
dst.m_partial_key_images.resize(src.partial_key_images.size());
for (size_t l = 0; l < src.partial_key_images.size(); ++l)
{
if (!epee::string_tools::hex_to_pod(src.partial_key_images[l], dst.m_partial_key_images[l]))
{
er.code = WALLET_RPC_ERROR_CODE_WRONG_KEY_IMAGE;
er.message = "Failed to parse partial key image from multisig info";
return false;
}
}
}
}
@ -2573,6 +2597,64 @@ namespace tools
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::on_finalize_multisig(const wallet_rpc::COMMAND_RPC_FINALIZE_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_FINALIZE_MULTISIG::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
if (m_wallet->restricted())
{
er.code = WALLET_RPC_ERROR_CODE_DENIED;
er.message = "Command unavailable in restricted mode.";
return false;
}
uint32_t threshold, total;
if (!m_wallet->multisig(&threshold, &total))
{
er.code = WALLET_RPC_ERROR_CODE_NOT_MULTISIG;
er.message = "This wallet is not multisig";
return false;
}
if (req.multisig_info.size() < threshold - 1)
{
er.code = WALLET_RPC_ERROR_CODE_THRESHOLD_NOT_REACHED;
er.message = "Needs multisig info from more participants";
return false;
}
// parse all multisig info
std::unordered_set<crypto::public_key> public_keys;
std::vector<crypto::public_key> signers(req.multisig_info.size(), crypto::null_pkey);
for (size_t i = 0; i < req.multisig_info.size(); ++i)
{
if (!m_wallet->verify_extra_multisig_info(req.multisig_info[i], public_keys, signers[i]))
{
er.code = WALLET_RPC_ERROR_CODE_BAD_MULTISIG_INFO;
er.message = std::string("Bad multisig_info info: ") + req.multisig_info[i];
return false;
}
}
try
{
if (!m_wallet->finalize_multisig(req.password, public_keys, signers))
{
er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = "Error calling finalize_multisig";
return false;
}
}
catch (const std::exception &e)
{
er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = std::string("Error calling finalize_multisig: ") + e.what();
return false;
}
res.address = m_wallet->get_account().get_public_address_str(m_wallet->testnet());
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
}
int main(int argc, char** argv) {