mirror of
https://git.wownero.com/wownero/onion-wownero-blockchain-explorer.git
synced 2024-08-15 00:33:12 +00:00
proving ringct added
This commit is contained in:
moneroexamples
parent
7b64cf1764
commit
aacce05208
2 changed files with 31 additions and 275 deletions
304
src/page.h
304
src/page.h
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@ -662,6 +662,8 @@ namespace xmreg {
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delta_time[3], delta_time[4]);
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}
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cout << _tx_info.tx_json << endl;
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// sum xmr in inputs and ouputs in the given tx
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pair<uint64_t, uint64_t> sum_inputs = sum_xmr_inputs(_tx_info.tx_json);
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pair<uint64_t, uint64_t> sum_outputs = sum_xmr_outputs(_tx_info.tx_json);
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@ -669,6 +671,11 @@ namespace xmreg {
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// get mixin number in each transaction
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vector<uint64_t> mixin_numbers = get_mixin_no_in_txs(_tx_info.tx_json);
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uint64_t mixin_no = 0;
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if (!mixin_numbers.empty())
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mixin_numbers.at(0) - 1;
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// set output page template map
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txs.push_back(mstch::map {
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{"timestamp" , xmreg::timestamp_to_str(_tx_info.receive_time)},
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@ -679,7 +686,7 @@ namespace xmreg {
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{"xmr_outputs" , fmt::format("{:0.2f}", XMR_AMOUNT(sum_outputs.first))},
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{"no_inputs" , sum_inputs.second},
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{"no_outputs" , sum_outputs.second},
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{"mixin" , fmt::format("{:d}", mixin_numbers.at(0) - 1)},
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{"mixin" , fmt::format("{:d}", mixin_no)},
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{"txsize" , fmt::format("{:0.2f}", static_cast<double>(_tx_info.blob_size)/1024.0)}
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});
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}
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@ -1227,7 +1234,10 @@ namespace xmreg {
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}
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string
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show_my_outputs(string tx_hash_str, string xmr_address_str, string viewkey_str)
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show_my_outputs(string tx_hash_str,
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string xmr_address_str,
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string viewkey_str, /* or tx_prv_key_str when tx_prove == true */
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bool tx_prove = false)
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{
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// remove white characters
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@ -1247,7 +1257,10 @@ namespace xmreg {
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if (viewkey_str.empty())
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{
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return string("Viewkey not provided!");
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if (!tx_prove)
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return string("Viewkey not provided!");
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else
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return string("Tx private key not provided!");
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}
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// parse tx hash string to hash object
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@ -1268,16 +1281,15 @@ namespace xmreg {
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return string("Cant parse xmr address: " + xmr_address_str);
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}
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// parse string representing given private viewkey
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// parse string representing given private key
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crypto::secret_key prv_view_key;
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if (!xmreg::parse_str_secret_key(viewkey_str, prv_view_key))
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{
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cerr << "Cant parse view key: " << viewkey_str << endl;
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return string("Cant parse view key: " + viewkey_str);
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cerr << "Cant parse the private key: " << viewkey_str << endl;
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return string("Cant parse private key: " + viewkey_str);
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}
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// tx age
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pair<string, string> age;
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@ -1378,7 +1390,7 @@ namespace xmreg {
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{"has_payment_id8" , txd.payment_id8 != null_hash8},
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{"payment_id" , pid_str},
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{"payment_id8" , pid8_str},
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{"tx_prove" , false}
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{"tx_prove" , tx_prove}
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};
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string server_time_str = xmreg::timestamp_to_str(server_timestamp, "%F");
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@ -1389,16 +1401,17 @@ namespace xmreg {
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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(txd.pk, prv_view_key, derivation))
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public_key pub_key = tx_prove ? address.m_view_public_key : txd.pk;
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if (!generate_key_derivation(pub_key, prv_view_key, derivation))
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{
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cerr << "Cant get dervied key for: " << "\n"
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<< "pub_tx_key: " << txd.pk << " and "
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cerr << "Cant get derived key for: " << "\n"
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<< "pub_tx_key: " << pub_key << " and "
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<< "prv_view_key" << prv_view_key << endl;
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return string("Cant get key_derivation");
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}
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mstch::array outputs;
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uint64_t sum_xmr {0};
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@ -1415,15 +1428,15 @@ namespace xmreg {
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// get the tx output public key
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// that normally would be generated for us,
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// if someone had sent us some xmr.
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public_key pubkey;
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public_key tx_pubkey;
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derive_public_key(derivation,
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output_idx,
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address.m_spend_public_key,
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pubkey);
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tx_pubkey);
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// check if generated public key matches the current output's key
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bool mine_output = (outp.first.key == pubkey);
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bool mine_output = (outp.first.key == tx_pubkey);
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// if mine output has RingCT, i.e., tx version is 2
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if (mine_output && tx.version == 2)
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@ -1434,7 +1447,7 @@ namespace xmreg {
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bool r;
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r = decode_ringct(tx.rct_signatures,
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txd.pk,
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pub_key,
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prv_view_key,
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i,
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tx.rct_signatures.ecdhInfo[i].mask,
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@ -1491,264 +1504,7 @@ namespace xmreg {
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string xmr_address_str,
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string tx_prv_key_str)
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{
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// remove white characters
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boost::trim(tx_hash_str);
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boost::trim(xmr_address_str);
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boost::trim(tx_prv_key_str);
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if (tx_hash_str.empty())
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{
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return string("tx hash/id not provided!");
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}
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if (xmr_address_str.empty())
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{
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return string("Monero address not provided!");
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}
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if (tx_prv_key_str.empty())
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{
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return string("Tx private key not provided!");
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}
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// parse tx hash string to hash object
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crypto::hash tx_hash;
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if (!xmreg::parse_str_secret_key(tx_hash_str, tx_hash))
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{
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cerr << "Cant parse tx hash: " << tx_hash_str << endl;
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return string("Cant get tx hash due to parse error: " + tx_hash_str);
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}
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// parse string representing given monero address
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cryptonote::account_public_address address;
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if (!xmreg::parse_str_address(xmr_address_str, address, testnet))
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{
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cerr << "Cant parse string address: " << xmr_address_str << endl;
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return string("Cant parse xmr address: " + xmr_address_str);
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}
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// parse string representing given private viewkey
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crypto::secret_key tx_prv_key;
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if (!xmreg::parse_str_secret_key(tx_prv_key_str, tx_prv_key))
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{
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cerr << "Cant parse view key: " << tx_prv_key_str << endl;
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return string("Cant parse view key: " + tx_prv_key_str);
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}
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// tx age
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pair<string, string> age;
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string blk_timestamp {"N/A"};
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// get transaction
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transaction tx;
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if (!mcore->get_tx(tx_hash, tx))
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{
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cerr << "Cant get tx in blockchain: " << tx_hash
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<< ". \n Check mempool now" << endl;
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vector<pair<tx_info, transaction>> found_txs
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= search_mempool(tx_hash);
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if (!found_txs.empty())
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{
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// there should be only one tx found
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tx = found_txs.at(0).second;
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// since its tx in mempool, it has no blk yet
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// so use its recive_time as timestamp to show
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uint64_t tx_recieve_timestamp
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= found_txs.at(0).first.receive_time;
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blk_timestamp = xmreg::timestamp_to_str(tx_recieve_timestamp);
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age = get_age(server_timestamp,
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tx_recieve_timestamp,
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FULL_AGE_FORMAT);
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}
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else
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{
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// tx is nowhere to be found :-(
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return string("Cant get tx: " + tx_hash_str);
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}
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}
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tx_details txd = get_tx_details(tx);
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uint64_t tx_blk_height {0};
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bool tx_blk_found {false};
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try
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{
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tx_blk_height = core_storage->get_db().get_tx_block_height(tx_hash);
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tx_blk_found = true;
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}
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catch (exception& e)
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{
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cerr << "Cant get block height: " << tx_hash
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<< e.what() << endl;
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}
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// get block cointaining this tx
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block blk;
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if (tx_blk_found && !mcore->get_block_by_height(tx_blk_height, blk))
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{
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cerr << "Cant get block: " << tx_blk_height << endl;
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}
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string tx_blk_height_str {"N/A"};
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if (tx_blk_found)
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{
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// calculate difference between tx and server timestamps
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age = get_age(server_timestamp, blk.timestamp, FULL_AGE_FORMAT);
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blk_timestamp = xmreg::timestamp_to_str(blk.timestamp);
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tx_blk_height_str = std::to_string(tx_blk_height);
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}
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// payments id. both normal and encrypted (payment_id8)
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string pid_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.payment_id));
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string pid8_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.payment_id8));
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// initalise page tempate map with basic info about blockchain
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mstch::map context {
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{"testnet" , testnet},
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{"tx_hash" , tx_hash_str},
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{"xmr_address" , xmr_address_str},
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{"tx_prv_key" , REMOVE_HASH_BRAKETS(
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fmt::format("{:s}", tx_prv_key))},
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{"tx_pub_key" , REMOVE_HASH_BRAKETS(
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fmt::format("{:s}", txd.pk))},
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{"blk_height" , tx_blk_height_str},
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{"tx_size" , fmt::format("{:0.4f}",
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static_cast<double>(txd.size) / 1024.0)},
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{"tx_fee" , fmt::format("{:0.12f}", XMR_AMOUNT(txd.fee))},
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{"blk_timestamp" , blk_timestamp},
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{"delta_time" , age.first},
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{"outputs_no" , txd.output_pub_keys.size()},
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{"has_payment_id" , txd.payment_id != null_hash},
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{"has_payment_id8" , txd.payment_id8 != null_hash8},
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{"payment_id" , pid_str},
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{"payment_id8" , pid8_str},
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{"tx_prove" , true}
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};
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string server_time_str = xmreg::timestamp_to_str(server_timestamp, "%F");
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uint64_t output_idx {0};
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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(address.m_view_public_key,
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tx_prv_key,
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derivation))
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{
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cerr << "Cant get dervied key for: " << "\n"
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<< "pub_tx_key: " << txd.pk << " and "
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<< "tx_prv_key" << tx_prv_key << endl;
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return string("Cant get key_derivation");
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}
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mstch::array outputs;
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uint64_t sum_xmr {0};
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std::vector<uint64_t> money_transfered(tx.vout.size());
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std::deque<rct::key> mask(tx.vout.size());
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uint64_t i {0};
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for (pair<txout_to_key, uint64_t>& outp: txd.output_pub_keys)
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{
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// get the tx output public key
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// that normally would be generated for us,
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// if someone had sent us some xmr.
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public_key pubkey;
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derive_public_key(derivation,
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output_idx,
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address.m_spend_public_key,
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pubkey);
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// check if generated public key matches the current output's key
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bool mine_output = (outp.first.key == pubkey);
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// if mine output has RingCT, i.e., tx version is 2
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if (mine_output && tx.version == 2)
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{
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uint64_t rct_amount {0};
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bool r;
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r = decode_ringct(tx.rct_signatures,
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txd.pk,
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tx_prv_key,
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i,
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tx.rct_signatures.ecdhInfo[i].mask,
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money_transfered[i]);
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if (!r)
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{
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cerr << "Cant decode ringCT!" << endl;
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}
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outp.second = money_transfered[i];
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cout << "i, money_transfered[i]"
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<< i << ","
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<< money_transfered[i]
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<< endl;
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}
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if (mine_output)
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{
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sum_xmr += outp.second;
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}
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outputs.push_back(mstch::map {
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{"out_pub_key" , REMOVE_HASH_BRAKETS(
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fmt::format("{:s}",
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outp.first.key))},
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{"amount" , fmt::format("{:0.12f}",
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XMR_AMOUNT(outp.second))},
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{"mine_output" , mine_output},
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{"output_idx" , fmt::format("{:02d}", output_idx++)}
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});
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++i;
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}
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cout << "outputs.size(): " << outputs.size() << endl;
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context["outputs"] = outputs;
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context["sum_xmr"] = XMR_AMOUNT(sum_xmr);
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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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// add header and footer
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string full_page = get_full_page(my_outputs_html);
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// render the page
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return mstch::render(full_page, context);
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return show_my_outputs(tx_hash_str, xmr_address_str, tx_prv_key_str, true);
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}
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@ -33,7 +33,7 @@
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{{#tx_prove}}
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<h3>Prove that you send this tx to the given address</h3>
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<h5>address: {{xmr_address}}</h5>
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<h5>Tx private key: {{tx_prv_key}}</h5>
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<h5>Tx private key: {{viewkey}}</h5>
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{{/tx_prove}}
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<h3>Outputs ({{outputs_no}})</h3>
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