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wallet RPC converted to use new transaction semantics

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wallet RPC now uses wallet2::create_transactions and wallet2::commit_tx instead
of wallet2::transfer.  This made it possible to add the RPC call /transfer_split, which
will split transactions automatically if they are too large.  The old call to
/transfer will return an error stating to use /transfer_split if multiple
transactions are needed to fulfill the request.
This commit is contained in:
Thomas Winget 2014-06-17 18:15:21 -04:00
parent 2011b50280
commit d433a696e5
7 changed files with 306 additions and 185 deletions
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96
src/wallet/wallet_rpc_server.cpp
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@ -10,6 +10,7 @@ using namespace epee;
#include "common/command_line.h"
#include "cryptonote_core/cryptonote_format_utils.h"
#include "cryptonote_core/account.h"
#include "wallet_rpc_server_commands_defs.h"
#include "misc_language.h"
#include "string_tools.h"
#include "crypto/hash.h"
@ -85,12 +86,11 @@ namespace tools
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::on_transfer(const wallet_rpc::COMMAND_RPC_TRANSFER::request& req, wallet_rpc::COMMAND_RPC_TRANSFER::response& res, epee::json_rpc::error& er, connection_context& cntx)
{
std::vector<cryptonote::tx_destination_entry> dsts;
for (auto it = req.destinations.begin(); it != req.destinations.end(); it++)
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::validate_transfer(const std::list<wallet_rpc::transfer_destination> destinations, const std::string payment_id, std::vector<cryptonote::tx_destination_entry>& dsts, std::vector<uint8_t> extra, epee::json_rpc::error& er)
{
for (auto it = destinations.begin(); it != destinations.end(); it++)
{
cryptonote::tx_destination_entry de;
if(!get_account_address_from_str(de.addr, it->address))
@ -103,11 +103,11 @@ namespace tools
dsts.push_back(de);
}
std::vector<uint8_t> extra;
if (!req.payment_id.empty()) {
if (!payment_id.empty())
{
/* Just to clarify */
const std::string& payment_id_str = req.payment_id;
const std::string& payment_id_str = payment_id;
crypto::hash payment_id;
/* Parse payment ID */
@ -128,13 +128,85 @@ namespace tools
}
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::on_transfer(const wallet_rpc::COMMAND_RPC_TRANSFER::request& req, wallet_rpc::COMMAND_RPC_TRANSFER::response& res, epee::json_rpc::error& er, connection_context& cntx)
{
std::vector<cryptonote::tx_destination_entry> dsts;
std::vector<uint8_t> extra;
// validate the transfer requested and populate dsts & extra
if (!validate_transfer(req.destinations, req.payment_id, dsts, extra, er))
{
return false;
}
try
{
cryptonote::transaction tx;
wallet2::pending_tx ptx;
m_wallet.transfer(dsts, req.mixin, req.unlock_time, req.fee, extra, tx, ptx);
res.tx_hash = boost::lexical_cast<std::string>(cryptonote::get_transaction_hash(tx));
std::vector<wallet2::pending_tx> ptx_vector = m_wallet.create_transactions(dsts, req.mixin, req.unlock_time, req.fee, extra);
// reject proposed transactions if there are more than one. see on_transfer_split below.
if (ptx_vector.size() != 1)
{
er.code = WALLET_RPC_ERROR_CODE_GENERIC_TRANSFER_ERROR;
er.message = "Transaction would be too large. try /transfer_split.";
return false;
}
m_wallet.commit_tx(ptx_vector);
// populate response with tx hash
res.tx_hash = boost::lexical_cast<std::string>(cryptonote::get_transaction_hash(ptx_vector.back().tx));
return true;
}
catch (const tools::error::daemon_busy& e)
{
er.code = WALLET_RPC_ERROR_CODE_DAEMON_IS_BUSY;
er.message = e.what();
return false;
}
catch (const std::exception& e)
{
er.code = WALLET_RPC_ERROR_CODE_GENERIC_TRANSFER_ERROR;
er.message = e.what();
return false;
}
catch (...)
{
er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = "WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR";
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::on_transfer_split(const wallet_rpc::COMMAND_RPC_TRANSFER_SPLIT::request& req, wallet_rpc::COMMAND_RPC_TRANSFER_SPLIT::response& res, epee::json_rpc::error& er, connection_context& cntx)
{
std::vector<cryptonote::tx_destination_entry> dsts;
std::vector<uint8_t> extra;
// validate the transfer requested and populate dsts & extra; RPC_TRANSFER::request and RPC_TRANSFER_SPLIT::request are identical types.
if (!validate_transfer(req.destinations, req.payment_id, dsts, extra, er))
{
return false;
}
try
{
std::vector<wallet2::pending_tx> ptx_vector = m_wallet.create_transactions(dsts, req.mixin, req.unlock_time, req.fee, extra);
m_wallet.commit_tx(ptx_vector);
// populate response with tx hashes
for (auto & ptx : ptx_vector)
{
res.tx_hash_list.push_back(boost::lexical_cast<std::string>(cryptonote::get_transaction_hash(ptx.tx)));
}
return true;
}
catch (const tools::error::daemon_busy& e)