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searching for mixins with outputs started

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master
moneroexamples 8 years ago
parent 826a5f2b3e
commit 17cd272f1c
2 changed files with 72 additions and 45 deletions
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62
src/page.h
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@ -1330,8 +1330,10 @@ public:
// 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
// that our output was used by someone else for their mixins.
// For this we can look in our custom db, for efficiencly
bool show_key_images {false};
unique_ptr<xmreg::MyLMDB> mylmdb;
@ -1349,6 +1351,7 @@ public:
if (!mylmdb)
{
show_key_images = false;
break;
}
@ -1386,13 +1389,13 @@ public:
// 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 each found output public key 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;
cout << "out_pub_key_str: " << out_pub_key_str << endl;
// this will be txs where the outputs come from
vector<string> found_tx_hashes;
@ -1405,18 +1408,25 @@ public:
mixins.push_back(mstch::map{
{"mixin_pub_key" , out_pub_key_str},
make_pair(string("mixin_outputs"), mstch::array{})
{"mixin_outputs" , mstch::array{}},
{"has_mixin_outputs", false}
});
mstch::array& mixin_outputs = boost::get<mstch::array>(
boost::get<mstch::map>(mixins.back())["mixin_outputs"]
);
// for each output transaction, check if its ours
mstch::node& has_mixin_outputs
= boost::get<mstch::map>(mixins.back())["has_mixin_outputs"];
bool found_something {false};
// for each mixin 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);
@ -1430,17 +1440,17 @@ public:
}
public_key tx_pub_key
public_key mixin_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))
if (!generate_key_derivation(mixin_tx_pub_key, prv_view_key, derivation))
{
cerr << "Cant get derived key for: " << "\n"
<< "pub_tx_key: " << tx_pub_key << " and "
<< "pub_tx_key: " << mixin_tx_pub_key << " and "
<< "prv_view_key" << prv_view_key << endl;
continue;
@ -1453,13 +1463,16 @@ public:
mixin_outputs.push_back(mstch::map{
{"mix_tx_hash" , tx_hash_str},
make_pair(string("found_outputs"), mstch::array{})
{"found_outputs" , mstch::array{}},
{"has_found_outputs", false}
});
mstch::array& found_outputs = boost::get<mstch::array>(
boost::get<mstch::map>(mixin_outputs.back())["found_outputs"]
);
mstch::node& has_found_outputs
= boost::get<mstch::map>(mixin_outputs.back())["has_found_outputs"];
// for each output in mixin tx, find the one from key_image
// and check if its ours.
@ -1470,10 +1483,14 @@ public:
uint64_t amount = std::get<1>(mix_out);
uint64_t output_idx_in_tx = std::get<2>(mix_out);
//@todo fix this for loop
continue;
cout << " - " << pod_to_hex(txout_k.key) << endl;
// if (mix_out.first.key != output_data.pubkey)
// //@todo fix this for loop
// continue;
// // analyze only those output keys
// // that were used in mixins
// if (txout_k.key != output_data.pubkey)
// {
// continue;
// }
@ -1500,10 +1517,10 @@ public:
bool r;
r = decode_ringct(mixin_tx.rct_signatures,
txout_k.key,
mixin_tx_pub_key,
prv_view_key,
output_idx_in_tx,
mixin_tx.rct_signatures.ecdhInfo[output_idx].mask,
mixin_tx.rct_signatures.ecdhInfo[output_idx_in_tx].mask,
rct_amount);
if (!r)
@ -1532,20 +1549,27 @@ public:
if (mine_output)
{
// cout << " - " << pod_to_hex(txout_k.key)
// <<": " << mine_output << " amount: "
// << xmreg::xmr_amount_to_str(amount)
// << endl;
found_something = true;
}
} // for (const pair<txout_to_key, uint64_t>& mix_out: txd.output_pub_keys)
has_found_outputs = !found_outputs.empty();
} // for (string tx_hash_str: found_tx_hashes)
has_mixin_outputs = found_something;
} // for (const cryptonote::output_data_t& output_data: mixin_outputs)
show_key_images = true;
} // for (const txin_to_key& in_key: input_key_imgs)
@ -1554,7 +1578,7 @@ public:
context["sum_xmr"] = xmreg::xmr_amount_to_str(sum_xmr);
context.emplace("inputs", inputs);
context["show_inputs"] = false;
context["show_inputs"] = show_key_images;
// read my_outputs.html
string my_outputs_html = xmreg::read(TMPL_MY_OUTPUTS);

5
src/templates/my_outputs.html
Unescape Escape View File

@ -83,12 +83,14 @@
{{#inputs}}
<h4>Key image: {{key_image}}, amount {{key_image_amount}}</h4>
{{#mixins}}
{{#has_mixin_outputs}}
<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>
{{#has_found_outputs}}
{{#found_outputs}}
<h6 style="font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; font-weight: normal;">
@ -104,8 +106,9 @@
</h6>
{{/found_outputs}}
{{/has_found_outputs}}
{{/mixin_outputs}}
{{/has_mixin_outputs}}
{{/mixins}}
{{/inputs}}

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