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simplewallet: reject attempts to use too low mixin early

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This yields a clear error message rather then some possibly
confusing more technical errors down the line
This commit is contained in:
moneromooo-monero 2017-10-10 10:33:17 +01:00
parent 6172248acf
commit da8b60cbbf
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GPG key ID: 686F07454D6CEFC3
4 changed files with 29 additions and 16 deletions
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12
src/simplewallet/simplewallet.cpp
View file

@ -2591,6 +2591,12 @@ bool simple_wallet::transfer_main(int transfer_type, const std::vector<std::stri
local_args.erase(local_args.begin());
}
}
uint64_t adjusted_fake_outs_count = m_wallet->adjust_mixin(fake_outs_count);
if (adjusted_fake_outs_count > fake_outs_count)
{
fail_msg_writer() << (boost::format(tr("ring size %u is too small, minimum is %u")) % (fake_outs_count+1) % (adjusted_fake_outs_count+1)).str();
return true;
}
const size_t min_args = (transfer_type == TransferLocked) ? 3 : 2;
if(local_args.size() < min_args)
@ -3196,6 +3202,12 @@ bool simple_wallet::sweep_main(uint64_t below, const std::vector<std::string> &a
local_args.erase(local_args.begin());
}
}
uint64_t adjusted_fake_outs_count = m_wallet->adjust_mixin(fake_outs_count);
if (adjusted_fake_outs_count > fake_outs_count)
{
fail_msg_writer() << (boost::format(tr("ring size %u is too small, minimum is %u")) % (fake_outs_count+1) % (adjusted_fake_outs_count+1)).str();
return true;
}
std::vector<uint8_t> extra;
bool payment_id_seen = false;

13
src/wallet/wallet2.cpp
View file

@ -3980,6 +3980,19 @@ int wallet2::get_fee_algorithm()
return 1;
return 0;
}
//------------------------------------------------------------------------------------------------------------------------------
uint64_t wallet2::adjust_mixin(uint64_t mixin)
{
if (mixin < 4 && use_fork_rules(6, 10)) {
MWARNING("Requested ring size " << (mixin + 1) << " too low for hard fork 6, using 5");
mixin = 4;
}
else if (mixin < 2 && use_fork_rules(2, 10)) {
MWARNING("Requested ring size " << (mixin + 1) << " too low for hard fork 2, using 3");
mixin = 2;
}
return mixin;
}
//----------------------------------------------------------------------------------------------------
// separated the call(s) to wallet2::transfer into their own function
//

1
src/wallet/wallet2.h
View file

@ -761,6 +761,7 @@ namespace tools
uint64_t get_fee_multiplier(uint32_t priority, int fee_algorithm = -1);
uint64_t get_per_kb_fee();
uint64_t adjust_mixin(uint64_t mixin);
// Light wallet specific functions
// fetch unspent outs from lw node and store in m_transfers

19
src/wallet/wallet_rpc_server.cpp
View file

@ -227,19 +227,6 @@ namespace tools
return false;
}
//------------------------------------------------------------------------------------------------------------------------------
uint64_t wallet_rpc_server::adjust_mixin(uint64_t mixin)
{
if (mixin < 4 && m_wallet->use_fork_rules(6, 10)) {
MWARNING("Requested ring size " << (mixin + 1) << " too low for hard fork 6, using 5");
mixin = 4;
}
else if (mixin < 2 && m_wallet->use_fork_rules(2, 10)) {
MWARNING("Requested ring size " << (mixin + 1) << " too low for hard fork 2, using 3");
mixin = 2;
}
return mixin;
}
//------------------------------------------------------------------------------------------------------------------------------
void wallet_rpc_server::fill_transfer_entry(tools::wallet_rpc::transfer_entry &entry, const crypto::hash &txid, const crypto::hash &payment_id, const tools::wallet2::payment_details &pd)
{
entry.txid = string_tools::pod_to_hex(pd.m_tx_hash);
@ -607,7 +594,7 @@ namespace tools
try
{
uint64_t mixin = adjust_mixin(req.mixin);
uint64_t mixin = m_wallet->adjust_mixin(req.mixin);
std::vector<wallet2::pending_tx> ptx_vector = m_wallet->create_transactions_2(dsts, mixin, req.unlock_time, req.priority, extra, req.account_index, req.subaddr_indices, m_trusted_daemon);
// reject proposed transactions if there are more than one. see on_transfer_split below.
@ -667,7 +654,7 @@ namespace tools
try
{
uint64_t mixin = adjust_mixin(req.mixin);
uint64_t mixin = m_wallet->adjust_mixin(req.mixin);
uint64_t ptx_amount;
std::vector<wallet2::pending_tx> ptx_vector;
LOG_PRINT_L2("on_transfer_split calling create_transactions_2");
@ -784,7 +771,7 @@ namespace tools
try
{
uint64_t mixin = adjust_mixin(req.mixin);
uint64_t mixin = m_wallet->adjust_mixin(req.mixin);
std::vector<wallet2::pending_tx> ptx_vector = m_wallet->create_transactions_all(req.below_amount, dsts[0].addr, dsts[0].is_subaddress, mixin, req.unlock_time, req.priority, extra, req.account_index, req.subaddr_indices, m_trusted_daemon);
if (!req.do_not_relay)