Locate our mixins in key images added
This commit is contained in:
moneroexamples
parent
c797e2d59e
commit
bd15cb874f
|
|
@ -377,7 +377,7 @@ int main(int ac, const char* av[]) {
|
|||
}
|
||||
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
```
|
||||
|
||||
|
|
|
|||
193
src/page.h
193
src/page.h
|
|
@ -1259,11 +1259,202 @@ public:
|
|||
++i;
|
||||
}
|
||||
|
||||
//cout << "outputs.size(): " << outputs.size() << endl;
|
||||
// we can also test ouputs used in mixins for key images
|
||||
// this can show possible spending. Only possible, because
|
||||
// without a spend key, we cant know for sure. It might be
|
||||
// that our output was used by someelse for their mixin.
|
||||
// for this we can look in our custom db, for efficiencly
|
||||
|
||||
unique_ptr<xmreg::MyLMDB> mylmdb;
|
||||
|
||||
if (bf::is_directory(lmdb2_path))
|
||||
{
|
||||
mylmdb = make_unique<xmreg::MyLMDB>(lmdb2_path);
|
||||
}
|
||||
|
||||
mstch::array inputs;
|
||||
|
||||
vector<txin_to_key> input_key_imgs = xmreg::get_key_images(tx);
|
||||
|
||||
for (const txin_to_key& in_key: input_key_imgs)
|
||||
{
|
||||
|
||||
if (!mylmdb)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
// get absolute offsets of mixins
|
||||
std::vector<uint64_t> absolute_offsets
|
||||
= cryptonote::relative_output_offsets_to_absolute(
|
||||
in_key.key_offsets);
|
||||
|
||||
// get public keys of outputs used in the mixins that match to the offests
|
||||
std::vector<cryptonote::output_data_t> mixin_outputs;
|
||||
|
||||
|
||||
try
|
||||
{
|
||||
core_storage->get_db().get_output_key(in_key.amount,
|
||||
absolute_offsets,
|
||||
mixin_outputs);
|
||||
}
|
||||
catch (const OUTPUT_DNE& e)
|
||||
{
|
||||
cerr << "get_output_keys: " << e.what() << endl;
|
||||
continue;
|
||||
}
|
||||
|
||||
inputs.push_back(mstch::map{
|
||||
{"key_image" , pod_to_hex(in_key.k_image)},
|
||||
{"key_image_amount", xmreg::xmr_amount_to_str(in_key.amount)},
|
||||
{"mixins" , mstch::array{}}
|
||||
});
|
||||
|
||||
mstch::array& mixins = boost::get<mstch::array>(
|
||||
boost::get<mstch::map>(inputs.back())["mixins"]
|
||||
);
|
||||
|
||||
// to store our mixins found for the given key image
|
||||
vector<map<string, string>> our_mixins_found;
|
||||
|
||||
// for each found output public key find check if its ours or not
|
||||
for (const cryptonote::output_data_t& output_data: mixin_outputs)
|
||||
{
|
||||
|
||||
string out_pub_key_str = pod_to_hex(output_data.pubkey);
|
||||
|
||||
//cout << "out_pub_key_str: " << out_pub_key_str << endl;
|
||||
|
||||
// this will be txs where the outputs come from
|
||||
vector<string> found_tx_hashes;
|
||||
|
||||
|
||||
mylmdb->search(out_pub_key_str,
|
||||
found_tx_hashes,
|
||||
"output_public_keys");
|
||||
|
||||
|
||||
mixins.push_back(mstch::map{
|
||||
{"mixin_pub_key", out_pub_key_str},
|
||||
{"mixin_outputs", mstch::array{}}
|
||||
});
|
||||
|
||||
mstch::array& mixin_outputs = boost::get<mstch::array>(
|
||||
boost::get<mstch::map>(mixins.back())["mixin_outputs"]
|
||||
);
|
||||
|
||||
// for each output transaction, check if its ours
|
||||
// as before
|
||||
for (string tx_hash_str: found_tx_hashes)
|
||||
{
|
||||
|
||||
crypto::hash tx_hash;
|
||||
|
||||
hex_to_pod(tx_hash_str, tx_hash);
|
||||
|
||||
transaction mixin_tx;
|
||||
|
||||
if (!mcore->get_tx(tx_hash, mixin_tx))
|
||||
{
|
||||
cerr << "Cant get tx in blockchain: " << tx_hash << endl;
|
||||
continue;
|
||||
}
|
||||
|
||||
|
||||
public_key tx_pub_key
|
||||
= xmreg::get_tx_pub_key_from_received_outs(mixin_tx);
|
||||
|
||||
// public transaction key is combined with our viewkey
|
||||
// to create, so called, derived key.
|
||||
key_derivation derivation;
|
||||
|
||||
if (!generate_key_derivation(tx_pub_key, prv_view_key, derivation))
|
||||
{
|
||||
cerr << "Cant get derived key for: " << "\n"
|
||||
<< "pub_tx_key: " << tx_pub_key << " and "
|
||||
<< "prv_view_key" << prv_view_key << endl;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
// <public_key , amount , out idx>
|
||||
vector<tuple<txout_to_key, uint64_t, uint64_t>> output_pub_keys;
|
||||
|
||||
output_pub_keys = xmreg::get_ouputs_tuple(mixin_tx);
|
||||
|
||||
mixin_outputs.push_back(mstch::map{
|
||||
{"mix_tx_hash" , tx_hash_str},
|
||||
{"found_outputs", mstch::array{}}
|
||||
});
|
||||
|
||||
mstch::array& found_outputs = boost::get<mstch::array>(
|
||||
boost::get<mstch::map>(mixin_outputs.back())["found_outputs"]
|
||||
);
|
||||
|
||||
|
||||
// for each output in mixin tx, find the one from key_image
|
||||
// and check if its ours.
|
||||
for (const auto& mix_out: output_pub_keys)
|
||||
{
|
||||
|
||||
txout_to_key txout_k = std::get<0>(mix_out);
|
||||
uint64_t amount = std::get<1>(mix_out);
|
||||
uint64_t output_idx_in_tx = std::get<2>(mix_out);
|
||||
|
||||
// if (mix_out.first.key != output_data.pubkey)
|
||||
// {
|
||||
// continue;
|
||||
// }
|
||||
|
||||
// get the tx output public key
|
||||
// that normally would be generated for us,
|
||||
// if someone had sent us some xmr.
|
||||
public_key tx_pubkey_generated;
|
||||
|
||||
derive_public_key(derivation,
|
||||
output_idx_in_tx,
|
||||
address.m_spend_public_key,
|
||||
tx_pubkey_generated);
|
||||
|
||||
// check if generated public key matches the current output's key
|
||||
bool mine_output = (txout_k.key == tx_pubkey_generated);
|
||||
|
||||
|
||||
// save our mixnin's public keys
|
||||
found_outputs.push_back(mstch::map {
|
||||
{"my_public_key" , pod_to_hex(txout_k.key)},
|
||||
{"tx_hash" , tx_hash_str},
|
||||
{"mine_output" , mine_output},
|
||||
{"out_idx" , to_string(output_idx_in_tx)},
|
||||
{"formed_output_pk", out_pub_key_str},
|
||||
{"amount" , xmreg::xmr_amount_to_str(amount)},
|
||||
});
|
||||
|
||||
if (mine_output)
|
||||
{
|
||||
|
||||
|
||||
// cout << " - " << pod_to_hex(txout_k.key)
|
||||
// <<": " << mine_output << " amount: "
|
||||
// << xmreg::xmr_amount_to_str(amount)
|
||||
// << endl;
|
||||
}
|
||||
|
||||
} // for (const pair<txout_to_key, uint64_t>& mix_out: txd.output_pub_keys)
|
||||
|
||||
} // for (string tx_hash_str: found_tx_hashes)
|
||||
|
||||
} // for (const cryptonote::output_data_t& output_data: mixin_outputs)
|
||||
|
||||
} // for (const txin_to_key& in_key: input_key_imgs)
|
||||
|
||||
|
||||
context["outputs"] = outputs;
|
||||
context["sum_xmr"] = xmreg::xmr_amount_to_str(sum_xmr);
|
||||
|
||||
context["inputs"] = inputs;
|
||||
|
||||
// read my_outputs.html
|
||||
string my_outputs_html = xmreg::read(TMPL_MY_OUTPUTS);
|
||||
|
||||
|
|
|
|||
|
|
@ -63,6 +63,42 @@
|
|||
</table>
|
||||
|
||||
<h3>Sum XMR from matched outputs: {{sum_xmr}}</h3>
|
||||
|
||||
</div>
|
||||
|
||||
<hr>
|
||||
|
||||
<h3>Inputs</h3>
|
||||
<div class="center">
|
||||
{{#inputs}}
|
||||
<h4>Key image: {{key_image}}, amount {{key_image_amount}}</h4>
|
||||
{{#mixins}}
|
||||
<h5>Mixin of pub key: {{mixin_pub_key}}</h5>
|
||||
{{#mixin_outputs}}
|
||||
<h5>
|
||||
uses outputs from tx:
|
||||
<a href="/tx/{{mix_tx_hash}}">{{mix_tx_hash}}</a>
|
||||
</h5>
|
||||
{{#found_outputs}}
|
||||
|
||||
<h6 style="font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; font-weight: normal;">
|
||||
Output public key: {{my_public_key}},
|
||||
amount: {{amount}},
|
||||
is ours:
|
||||
{{#mine_output}}
|
||||
<span style="color: #008009;font-weight: bold">{{mine_output}}</span>
|
||||
{{/mine_output}}
|
||||
{{^mine_output}}
|
||||
{{mine_output}}
|
||||
{{/mine_output}}
|
||||
</h6>
|
||||
|
||||
{{/found_outputs}}
|
||||
{{/mixin_outputs}}
|
||||
|
||||
{{/mixins}}
|
||||
{{/inputs}}
|
||||
|
||||
</div>
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue