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searching for mixins with outputs started
This commit is contained in:
moneroexamples
parent
826a5f2b3e
commit
17cd272f1c
2 changed files with 70 additions and 43 deletions
62
src/page.h
62
src/page.h
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@ -1330,8 +1330,10 @@ public:
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// we can also test ouputs used in mixins for key images
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// this can show possible spending. Only possible, because
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// without a spend key, we cant know for sure. It might be
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// that our output was used by someelse for their mixin.
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// for this we can look in our custom db, for efficiencly
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// that our output was used by someone else for their mixins.
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// For this we can look in our custom db, for efficiencly
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bool show_key_images {false};
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unique_ptr<xmreg::MyLMDB> mylmdb;
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@ -1349,6 +1351,7 @@ public:
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if (!mylmdb)
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{
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show_key_images = false;
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break;
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}
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@ -1386,13 +1389,13 @@ public:
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// to store our mixins found for the given key image
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vector<map<string, string>> our_mixins_found;
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// for each found output public key find check if its ours or not
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// for each found output public key check if its ours or not
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for (const cryptonote::output_data_t& output_data: mixin_outputs)
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{
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string out_pub_key_str = pod_to_hex(output_data.pubkey);
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//cout << "out_pub_key_str: " << out_pub_key_str << endl;
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cout << "out_pub_key_str: " << out_pub_key_str << endl;
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// this will be txs where the outputs come from
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vector<string> found_tx_hashes;
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@ -1405,18 +1408,25 @@ public:
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mixins.push_back(mstch::map{
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{"mixin_pub_key" , out_pub_key_str},
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make_pair(string("mixin_outputs"), mstch::array{})
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{"mixin_outputs" , mstch::array{}},
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{"has_mixin_outputs", false}
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});
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mstch::array& mixin_outputs = boost::get<mstch::array>(
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boost::get<mstch::map>(mixins.back())["mixin_outputs"]
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);
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// for each output transaction, check if its ours
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mstch::node& has_mixin_outputs
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= boost::get<mstch::map>(mixins.back())["has_mixin_outputs"];
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bool found_something {false};
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// for each mixin output transaction, check if its ours
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// as before
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for (string tx_hash_str: found_tx_hashes)
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{
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crypto::hash tx_hash;
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hex_to_pod(tx_hash_str, tx_hash);
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@ -1430,17 +1440,17 @@ public:
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}
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public_key tx_pub_key
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public_key mixin_tx_pub_key
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= xmreg::get_tx_pub_key_from_received_outs(mixin_tx);
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// public transaction key is combined with our viewkey
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// to create, so called, derived key.
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key_derivation derivation;
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if (!generate_key_derivation(tx_pub_key, prv_view_key, derivation))
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if (!generate_key_derivation(mixin_tx_pub_key, prv_view_key, derivation))
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{
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cerr << "Cant get derived key for: " << "\n"
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<< "pub_tx_key: " << tx_pub_key << " and "
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<< "pub_tx_key: " << mixin_tx_pub_key << " and "
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<< "prv_view_key" << prv_view_key << endl;
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continue;
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@ -1453,13 +1463,16 @@ public:
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mixin_outputs.push_back(mstch::map{
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{"mix_tx_hash" , tx_hash_str},
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make_pair(string("found_outputs"), mstch::array{})
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{"found_outputs" , mstch::array{}},
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{"has_found_outputs", false}
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});
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mstch::array& found_outputs = boost::get<mstch::array>(
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boost::get<mstch::map>(mixin_outputs.back())["found_outputs"]
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);
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mstch::node& has_found_outputs
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= boost::get<mstch::map>(mixin_outputs.back())["has_found_outputs"];
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// for each output in mixin tx, find the one from key_image
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// and check if its ours.
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@ -1470,10 +1483,14 @@ public:
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uint64_t amount = std::get<1>(mix_out);
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uint64_t output_idx_in_tx = std::get<2>(mix_out);
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//@todo fix this for loop
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continue;
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cout << " - " << pod_to_hex(txout_k.key) << endl;
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// if (mix_out.first.key != output_data.pubkey)
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// //@todo fix this for loop
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// continue;
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// // analyze only those output keys
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// // that were used in mixins
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// if (txout_k.key != output_data.pubkey)
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// {
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// continue;
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// }
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@ -1500,10 +1517,10 @@ public:
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bool r;
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r = decode_ringct(mixin_tx.rct_signatures,
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txout_k.key,
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mixin_tx_pub_key,
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prv_view_key,
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output_idx_in_tx,
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mixin_tx.rct_signatures.ecdhInfo[output_idx].mask,
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mixin_tx.rct_signatures.ecdhInfo[output_idx_in_tx].mask,
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rct_amount);
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if (!r)
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@ -1532,20 +1549,27 @@ public:
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if (mine_output)
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{
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// cout << " - " << pod_to_hex(txout_k.key)
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// <<": " << mine_output << " amount: "
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// << xmreg::xmr_amount_to_str(amount)
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// << endl;
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found_something = true;
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}
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} // for (const pair<txout_to_key, uint64_t>& mix_out: txd.output_pub_keys)
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has_found_outputs = !found_outputs.empty();
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} // for (string tx_hash_str: found_tx_hashes)
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has_mixin_outputs = found_something;
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} // for (const cryptonote::output_data_t& output_data: mixin_outputs)
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show_key_images = true;
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} // for (const txin_to_key& in_key: input_key_imgs)
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@ -1554,7 +1578,7 @@ public:
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context["sum_xmr"] = xmreg::xmr_amount_to_str(sum_xmr);
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context.emplace("inputs", inputs);
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context["show_inputs"] = false;
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context["show_inputs"] = show_key_images;
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// read my_outputs.html
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string my_outputs_html = xmreg::read(TMPL_MY_OUTPUTS);
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@ -83,12 +83,14 @@
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{{#inputs}}
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<h4>Key image: {{key_image}}, amount {{key_image_amount}}</h4>
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{{#mixins}}
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{{#has_mixin_outputs}}
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<h5>Mixin of pub key: {{mixin_pub_key}}</h5>
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{{#mixin_outputs}}
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<h5>
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uses outputs from tx:
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<a href="/tx/{{mix_tx_hash}}">{{mix_tx_hash}}</a>
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</h5>
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{{#has_found_outputs}}
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{{#found_outputs}}
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<h6 style="font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; font-weight: normal;">
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@ -104,8 +106,9 @@
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</h6>
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{{/found_outputs}}
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{{/has_found_outputs}}
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{{/mixin_outputs}}
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{{/has_mixin_outputs}}
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{{/mixins}}
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{{/inputs}}
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