few more details about block added
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moneroexamples
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76fc7594a9
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20beb09de5
140
src/page.h
140
src/page.h
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@ -77,9 +77,6 @@ namespace xmreg {
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// number of last blocks to show
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uint64_t no_of_last_blocks {100 + 1};
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// get the current blockchain height. Just to check if it reads ok.
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// uint64_t height = core_storage->get_current_blockchain_height() - 1;
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uint64_t height = rpc.get_current_height() - 1;
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// initalise page tempate map with basic info about blockchain
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@ -127,36 +124,15 @@ namespace xmreg {
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// get block's hash
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crypto::hash blk_hash = core_storage->get_block_id_by_height(i);
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// remove "<" and ">" from the hash string
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string blk_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", blk_hash));
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// calculate difference between server and block timestamps
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array<size_t, 5> delta_time = timestamp_difference(
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server_timestamp, blk.timestamp);
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// get block timestamp in user friendly format
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string timestamp_str = xmreg::timestamp_to_str(blk.timestamp);
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// default format for age
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string age_str = fmt::format("{:02d}:{:02d}:{:02d}",
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delta_time[2], delta_time[3],
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delta_time[4]);
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pair<string, string> age = get_age(server_timestamp, blk.timestamp);
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// if have days or years, change age format
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if (delta_time[0] > 0)
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{
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age_str = fmt::format("{:02d}:{:02d}:{:02d}:{:02d}:{:02d}",
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delta_time[0], delta_time[1], delta_time[2],
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delta_time[3], delta_time[4]);
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context["age_format"] = string("[y:d:h:m:s]");
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}
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else if (delta_time[1] > 0)
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{
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age_str = fmt::format("{:02d}:{:02d}:{:02d}:{:02d}",
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delta_time[1], delta_time[2],
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delta_time[3], delta_time[4]);
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context["age_format"] = string("[d:h:m:s]");
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}
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context["age_format"] = age.second;
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// get xmr in the block reward
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array<uint64_t, 2> coinbase_tx = sum_money_in_tx(blk.miner_tx);
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@ -203,7 +179,7 @@ namespace xmreg {
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blocks.push_back(mstch::map {
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{"height" , to_string(i)},
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{"timestamp" , timestamp_str},
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{"age" , age_str},
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{"age" , age.first},
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{"hash" , blk_hash_str},
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{"block_reward", fmt::format("{:0.4f}/{:0.4f}",
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XMR_AMOUNT(coinbase_tx[1] - sum_fees),
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@ -329,14 +305,68 @@ namespace xmreg {
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return fmt::format("Block of height {:d} not found!", _blk_height);
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}
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// initalise page tempate map with basic info about blockchain
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mstch::map context {
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{"blk_height" , fmt::format("{:d}", _blk_height)}
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};
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// get block's hash
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crypto::hash blk_hash = core_storage->get_block_id_by_height(_blk_height);
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crypto::hash prev_hash = blk.prev_id;
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crypto::hash next_hash = core_storage->get_block_id_by_height(_blk_height + 1);
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bool have_next_hash = (next_hash == null_hash ? false : true);
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bool have_prev_hash = (prev_hash == null_hash ? false : true);
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// remove "<" and ">" from the hash string
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string prev_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", prev_hash));
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string next_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", next_hash));
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// remove "<" and ">" from the hash string
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string blk_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", blk_hash));
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// get block timestamp in user friendly format
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string blk_timestamp = xmreg::timestamp_to_str(blk.timestamp);
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// get age of the block relative to the server time
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pair<string, string> age = get_age(server_timestamp, blk.timestamp);
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// get time from the last block
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string delta_time {"N/A"};
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if (have_prev_hash)
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{
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block prev_blk = core_storage->get_db().get_block(prev_hash);
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pair<string, string> delta_diff = get_age(blk.timestamp, prev_blk.timestamp);
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delta_time = delta_diff.first;
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}
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// get block size in bytes
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uint64_t blk_size = get_object_blobsize(blk);
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// miner reward tx
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transaction coinbase_tx = blk.miner_tx;
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// transcation in the block
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vector<crypto::hash> tx_hashes = blk.tx_hashes;
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// initalise page tempate map with basic info about blockchain
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mstch::map context {
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{"blk_hash" , blk_hash_str},
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{"blk_height" , fmt::format("{:d}", _blk_height)},
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{"blk_timestamp" , blk_timestamp},
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{"prev_hash" , prev_hash_str},
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{"next_hash" , next_hash_str},
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{"have_next_hash" , have_next_hash},
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{"have_prev_hash" , have_prev_hash},
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{"blk_age" , age.first},
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{"delta_time" , delta_time},
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{"blk_nonce" , std::to_string(blk.nonce)},
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{"age_format" , age.second},
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{"major_ver" , std::to_string(blk.major_version)},
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{"minor_ver" , std::to_string(blk.minor_version)},
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{"blk_size" , fmt::format("{:0.4f}",
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static_cast<double>(blk_size) / 1024.0)}
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};
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// read block.html
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string block_html = xmreg::read(TMPL_BLOCK);
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@ -381,6 +411,48 @@ namespace xmreg {
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private:
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pair<string, string>
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get_age(uint64_t timestamp1, uint64_t timestamp2)
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{
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pair<string, string> age_pair;
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// calculate difference between server and block timestamps
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array<size_t, 5> delta_time = timestamp_difference(
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timestamp1, timestamp2);
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// default format for age
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string age_str = fmt::format("{:02d}:{:02d}:{:02d}",
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delta_time[2], delta_time[3],
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delta_time[4]);
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string age_format {"[h:m:s]"};
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// if have days or years, change age format
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if (delta_time[0] > 0)
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{
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age_str = fmt::format("{:02d}:{:02d}:{:02d}:{:02d}:{:02d}",
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delta_time[0], delta_time[1], delta_time[2],
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delta_time[3], delta_time[4]);
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age_format = string("[y:d:h:m:s]");
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}
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else if (delta_time[1] > 0)
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{
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age_str = fmt::format("{:02d}:{:02d}:{:02d}:{:02d}",
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delta_time[1], delta_time[2],
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delta_time[3], delta_time[4]);
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age_format = string("[d:h:m:s]");
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}
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age_pair.first = age_str;
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age_pair.second = age_format;
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return age_pair;
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}
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uint64_t
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sum_xmr_outputs(const string& json_str)
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{
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@ -1,4 +1,36 @@
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<div>
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Height: {{blk_height}}
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<H3>Block hash (height): {{blk_hash}} ({{blk_height}})</H3>
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{{#have_prev_hash}}
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<H4>Previous block: <a href="/block/{{prev_hash}}">{{prev_hash}}</a></H4>
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{{/have_prev_hash}}
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{{#have_next_hash}}
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<H4>Next block: <a href="/block/{{next_hash}}">{{next_hash}}</a></H4>
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{{/have_next_hash}}
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<table class="center" style="width:60%">
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<tr>
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<td>Timestamp [UCT]:</td><td>{{blk_timestamp}}</td>
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<td>Age {{age_format}}:</td><td>{{blk_age}}</td>
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<td>Time from previous block [h:m:s]:</td><td>{{delta_time}}</td>
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</tr>
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<tr>
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<td>Major version:</td><td>{{major_ver}}</td>
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<td>Minor version:</td><td>{{minor_ver}}</td>
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<td>Block size [kB]:</td><td>{{blk_size}}</td>
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</tr>
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<tr>
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<td>nonce:</td><td>{{blk_nonce}}</td>
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<td>Minor version:</td><td>{{minor_ver}}</td>
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<td>Block size [kB]:</td><td>{{blk_size}}</td>
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</tr>
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</table>
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</div>
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