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working on dividing functions in prep for tx splitting

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tom 2014-06-15 17:20:16 -04:00 committed by Thomas Winget
parent fc1180bc6c
commit 79e59d155b
2 changed files with 84 additions and 9 deletions
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89
src/simplewallet/simplewallet.cpp
View file

@ -785,6 +785,86 @@ bool simple_wallet::show_blockchain_height(const std::vector<std::string>& args)
fail_msg_writer() << "failed to get blockchain height: " << err;
return true;
}
// split_amounts(vector<cryptonote::tx_destination_entry> dsts, size_t num_splits)
//
// split amount for each dst in dsts into num_splits parts
// and make num_splits new vector<crypt...> instances to hold these new amounts
vector<vector<cryptonote::tx_destination_entry>> simple_wallet::split_amounts(
vector<cryptonote::tx_destination_entry> dsts, size_t num_splits)
{
vector<vector<cryptonote::tx_destination_entry>> retVal;
if (num_splits <= 1)
{
retVal.push_back(dsts);
return retVal;
}
// for each split required
for (size_t i=0; i < num_splits; i++)
{
vector<cryptonote::tx_destination_entry> new_dsts;
// for each destination
for (size_t j=0; j < dsts.size(); j++)
{
cryptonote::tx_destination_entry de;
uint64_t amount;
amount = dsts[j].amount / num_splits;
// if last split, add remainder
if (i + 1 == num_splits)
{
amount += dsts[j].amount % num_splits;
}
de.addr = dsts[j].addr;
new_dsts.push_back(de);
}
retVal.push_back(new_dsts);
}
return retVal;
}
//----------------------------------------------------------------------------------------------------
// separated the call(s) to wallet2::transfer into their own function
//
// this function will make multiple calls to wallet2::transfer if multiple
// transactions will be required
void simple_wallet::create_transactions(vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee, const std::vector<uint8_t> extra)
{
// failsafe split attempt counter
size_t attempt_count = 0;
for(attempt_count = 1;;attempt_count++)
{
try
{
vector<cryptonote::transaction> tx_vector;
for (size_t i=0; i < attempt_count; i++)
{
cryptonote::transaction tx;
m_wallet->transfer(dsts, fake_outs_count, 0, DEFAULT_FEE, extra, tx);
tx_vector.push_back(tx);
}
// if we made it this far, we're OK to actually send the transactions
}
success_msg_writer(true) << "Money successfully sent, transaction " << get_transaction_hash(tx);
// only catch this here, other exceptions need to pass through to the calling function
catch (const tools::error::tx_too_big& e)
{
cryptonote::transaction tx = e.tx();
fail_msg_writer() << "transaction " << get_transaction_hash(e.tx()) << " is too big. Transaction size: " <<
get_object_blobsize(e.tx()) << " bytes, transaction size limit: " << e.tx_size_limit() << " bytes";
}
}
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::transfer(const std::vector<std::string> &args_)
{
@ -851,9 +931,6 @@ bool simple_wallet::transfer(const std::vector<std::string> &args_)
try
{
cryptonote::transaction tx;
m_wallet->transfer(dsts, fake_outs_count, 0, DEFAULT_FEE, extra, tx);
success_msg_writer(true) << "Money successfully sent, transaction " << get_transaction_hash(tx);
}
catch (const tools::error::daemon_busy&)
{
@ -899,12 +976,6 @@ bool simple_wallet::transfer(const std::vector<std::string> &args_)
{
fail_msg_writer() << e.what();
}
catch (const tools::error::tx_too_big& e)
{
cryptonote::transaction tx = e.tx();
fail_msg_writer() << "transaction " << get_transaction_hash(e.tx()) << " is too big. Transaction size: " <<
get_object_blobsize(e.tx()) << " bytes, transaction size limit: " << e.tx_size_limit() << " bytes";
}
catch (const tools::error::zero_destination&)
{
fail_msg_writer() << "one of destinations is zero";

4
src/simplewallet/simplewallet.h
View file

@ -54,6 +54,10 @@ namespace cryptonote
bool show_payments(const std::vector<std::string> &args);
bool show_blockchain_height(const std::vector<std::string> &args);
bool transfer(const std::vector<std::string> &args);
vector<vector<cryptonote::tx_destination_entry>> simple_wallet::split_amounts(
vector<cryptonote::tx_destination_entry> dsts, size_t num_splits
);
void create_transactions(vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee, const std::vector<uint8_t> extra);
bool print_address(const std::vector<std::string> &args = std::vector<std::string>());
bool save(const std::vector<std::string> &args);
bool set_log(const std::vector<std::string> &args);