407 lines
14 KiB
TypeScript
407 lines
14 KiB
TypeScript
import { getConnection, AdvancedConsoleLogger } from "typeorm";
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import { Global } from "../global";
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import { async } from '@angular/core/testing';
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function convertMinsToHrmin (millseconds,insec) {
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var seconds = Math.floor(millseconds / 1000);
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if(insec){
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let sec = Math.floor(millseconds / 1000);
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return sec;
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}
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var days = Math.floor(seconds / 86400);
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var hours = Math.floor((seconds % 86400) / 3600);
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var minutes = Math.floor(((seconds % 86400) % 3600) / 60);
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seconds = seconds % 60;
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var dateTimeDurationString = '';
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if (days > 0 && (hours === 0 && minutes === 0))
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dateTimeDurationString += days > 1 ? days + 'd ' : days + 'd ';
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if (days > 0 && (hours > 0 || minutes > 0))
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dateTimeDurationString += days > 1 ? days + 'd ' : days + 'd ';
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if (hours > 0 && minutes > 0)
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dateTimeDurationString += hours > 1 ? hours + 'h ' : hours + 'h ';
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if (hours > 0 && minutes === 0)
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dateTimeDurationString += hours > 1 ? hours + 'h ' : hours + 'h ';
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if (minutes > 0)
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dateTimeDurationString += minutes > 1 ? minutes + 'm ' : minutes + 'm ';
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if (seconds > 0)
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dateTimeDurationString += seconds > 1 ? seconds + 's ' : seconds + 's ';
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return dateTimeDurationString;
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}
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function dateDiff(date2, insec = false) {
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var current_date = new Date();
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// var current_date = new Date("Sat Apr 2 2018 15:04:00 GMT+0530 (IST)");
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var enddaydif =
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Math.abs(date2.getTime() - current_date.getTime()) /
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(1000 * 60 * 60 * 24);
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var enddayrnd = Math.round(enddaydif);
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// if(enddayrnd < 1) {
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var time = convertMinsToHrmin(
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Math.abs(date2.getTime() - current_date.getTime()),insec
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);
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return time;
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// } else if(enddayrnd == 1) {
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// return 'Ends in ' + enddayrnd + ' day';
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// }else {
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// return 'Ends in ' + enddayrnd + ' days';
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// }
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}
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const latestBlockDetails = async()=> {
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let block_height = '',
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letest_block,
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letest_block_num = '',
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letest_block_duration = '';
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const BlockchainLatestBlockQuery = await getConnection(Global.network)
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.query(
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'SELECT timestamp,height,edge_bits,hash,secondary_scaling, previous_id, total_difficulty_cuckaroo, total_difficulty_cuckatoo, total_difficulty_progpow, total_difficulty_randomx FROM blockchain_block ORDER BY timestamp DESC LIMIT 1',
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)
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.catch(err_msg => {
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return(err_msg);
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});
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const BlockchainPreviousBlockQuery = await getConnection(Global.network)
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.query(
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'SELECT total_difficulty_cuckaroo, total_difficulty_cuckatoo, total_difficulty_progpow, total_difficulty_randomx FROM blockchain_block WHERE hash=' +
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"'" +
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BlockchainLatestBlockQuery[0].previous_id +
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"'",
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)
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.catch(err_msg => {
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return(err_msg);
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});
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let height = BlockchainLatestBlockQuery[0].height;
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var coin_existence;
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// if (height > 12960) {
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// var remain_block = height - 12960;
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// var coin_existence =
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// 1440 * 200 +
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// 1440 * 180 +
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// 1440 * 160 +
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// 1440 * 140 +
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// 1440 * 120 +
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// 1440 * 100 +
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// 1440 * 80 +
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// 1440 * 60 +
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// 1440 * 50 +
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// 25 * remain_block;
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// } else if (height > 11520) {
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// var remain_block = height - 11520;
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// var coin_existence =
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// 1440 * 200 +
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// 1440 * 180 +
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// 1440 * 160 +
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// 1440 * 140 +
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// 1440 * 120 +
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// 1440 * 100 +
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// 1440 * 80 +
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// 1440 * 60 +
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// remain_block * 50;
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// } else if (height > 10080) {
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// var remain_block = height - 10080;
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// var coin_existence =
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// 1440 * 200 +
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// 1440 * 180 +
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// 1440 * 160 +
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// 1440 * 140 +
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// 1440 * 120 +
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// 1440 * 100 +
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// 1440 * 80 +
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// remain_block * 60;
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// } else if (height > 8640) {
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// var remain_block = height - 8640;
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// var coin_existence =
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// 1440 * 200 +
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// 1440 * 180 +
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// 1440 * 160 +
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// 1440 * 140 +
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// 1440 * 120 +
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// 1440 * 100 +
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// remain_block * 80;
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// } else if (height > 7200) {
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// var remain_block = height - 7200;
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// var coin_existence =
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// 1440 * 200 +
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// 1440 * 180 +
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// 1440 * 160 +
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// 1440 * 140 +
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// 1440 * 120 +
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// remain_block * 100;
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// } else if (height > 5760) {
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// var remain_block = height - 5760;
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// var coin_existence =
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// 1440 * 200 +
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// 1440 * 180 +
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// 1440 * 160 +
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// 1440 * 140 +
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// remain_block * 120;
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// } else if (height > 4320) {
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// var remain_block = height - 4320;
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// var coin_existence =
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// 1440 * 200 + 1440 * 180 + 1440 * 160 + remain_block * 140;
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// } else if (height > 2880) {
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// var remain_block = height - 2880;
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// var coin_existence = 1440 * 200 + 1440 * 180 + remain_block * 160;
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// } else if (height > 1440) {
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// var remain_block = height - 1440;
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// var coin_existence = 1440 * 200 + remain_block * 180;
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// } else {
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// var coin_existence = height * 200;
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// }
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let DAY_HEIGHT = 1440
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/// Height of the first epic block emission era
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const BLOCK_ERA_1 = DAY_HEIGHT * 334;
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/// Height of the second epic block emission era
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const BLOCK_ERA_2 = BLOCK_ERA_1 + (DAY_HEIGHT * 470);
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/// Height of the third epic block emission era
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const BLOCK_ERA_3 = BLOCK_ERA_2 + (DAY_HEIGHT * 601);
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/// Height of the fourth epic block emission era
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const BLOCK_ERA_4 = BLOCK_ERA_3 + (DAY_HEIGHT * 800);
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/// Height of the fifth epic block emission era
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const BLOCK_ERA_5 = BLOCK_ERA_4 + (DAY_HEIGHT * 1019);
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/// After the epic block emission era 6, each era will last 4 years (approximately 1460 days)
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const BLOCK_ERA_6_ONWARDS = DAY_HEIGHT * 1460;
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/// Block Reward that will be assigned after we change from era 5 to era 6.
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const BASE_REWARD_ERA_6_ONWARDS = 0.15625;
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let remaining_height = 0;
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let currentReward = 16;
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/// Compute the total reward generated by each block in a given height.
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if (height <= BLOCK_ERA_1) {
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coin_existence = height * 16;
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currentReward = 16;
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} else if (height <= BLOCK_ERA_2) {
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remaining_height = height - BLOCK_ERA_1;
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coin_existence = (16 * BLOCK_ERA_1) + 8 * remaining_height;
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currentReward = 8;
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} else if (height <= BLOCK_ERA_3) {
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remaining_height = height - BLOCK_ERA_2;
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coin_existence = (16 * BLOCK_ERA_1) + (8 * BLOCK_ERA_2) + 4 * remaining_height;
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currentReward = 4;
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} else if (height <= BLOCK_ERA_4) {
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remaining_height = height - BLOCK_ERA_3;
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coin_existence = (16 * BLOCK_ERA_1) + (8 * BLOCK_ERA_2) + (4 * BLOCK_ERA_3) + 2 * remaining_height;
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currentReward = 2;
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} else if (height <= BLOCK_ERA_5) {
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remaining_height = height - BLOCK_ERA_4;
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coin_existence = (16 * BLOCK_ERA_1) + (8 * BLOCK_ERA_2) + (4 * BLOCK_ERA_3) + (2 * BLOCK_ERA_4) +1 * remaining_height;
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currentReward = 1;
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} else {
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// After the era 6, we reduce the block rewards by half each 1460 days.
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// Minus 1 to include multiples in the same index
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// (i.e changes greater than to greater or equals to)
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let preious_circulation = (16 * BLOCK_ERA_1) + (8 * BLOCK_ERA_2) + (4 * BLOCK_ERA_3) + (2 * BLOCK_ERA_4) + (1 * BLOCK_ERA_5);
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let height_with_offset = height - (BLOCK_ERA_5 - 1);
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let exp = height_with_offset / BLOCK_ERA_6_ONWARDS;
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let reward_emission = BASE_REWARD_ERA_6_ONWARDS / (1 << exp);
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coin_existence = preious_circulation + reward_emission ;
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currentReward = reward_emission;
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}
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letest_block = dateDiff(BlockchainLatestBlockQuery[0].timestamp,true);
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letest_block_num = letest_block; // "72"
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letest_block_duration = letest_block == 1 ? 'second ago' : 'seconds ago';
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const SECOND_POW_EDGE_BITS = 29;
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const BASE_EDGE_BITS = 24;
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if (BlockchainLatestBlockQuery[0].edge_bits == SECOND_POW_EDGE_BITS) {
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var hashvalue = BlockchainLatestBlockQuery[0].hash;
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var diff =
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(BlockchainLatestBlockQuery[0].secondary_scaling * 2 ** 64) /
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parseInt(hashvalue.substring(0, 16), 16);
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var result = Math.min(diff, 0xffffffffffffffff);
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var difficulty = Math.round(result);
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} else {
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var graph_weight =
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2 *
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2 ** (BlockchainLatestBlockQuery[0].edge_bits - BASE_EDGE_BITS) *
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BlockchainLatestBlockQuery[0].edge_bits;
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var hashvalue = BlockchainLatestBlockQuery[0].hash;
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var diff =
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(graph_weight * 2 ** 64) / parseInt(hashvalue.substring(0, 16), 16);
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var result = Math.min(diff, 0xffffffffffffffff);
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var difficulty = Math.round(result);
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}
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if (BlockchainLatestBlockQuery[0].previous_id) {
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var targetdifficultycuckaroo =
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BlockchainLatestBlockQuery[0].total_difficulty_cuckaroo -
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BlockchainPreviousBlockQuery[0].total_difficulty_cuckaroo;
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var targetdifficultycuckatoo =
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BlockchainLatestBlockQuery[0].total_difficulty_cuckatoo -
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BlockchainPreviousBlockQuery[0].total_difficulty_cuckatoo;
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var targetdifficultyprogpow =
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BlockchainLatestBlockQuery[0].total_difficulty_progpow -
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BlockchainPreviousBlockQuery[0].total_difficulty_progpow;
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var targetdifficultyrandomx =
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BlockchainLatestBlockQuery[0].total_difficulty_randomx -
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BlockchainPreviousBlockQuery[0].total_difficulty_randomx;
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}
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block_height = BlockchainLatestBlockQuery[0].height;
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var TotalCuckoo=parseInt(BlockchainLatestBlockQuery[0].total_difficulty_cuckatoo) +
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parseInt(BlockchainLatestBlockQuery[0].total_difficulty_cuckaroo);
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let FOUNDATION_LEVY_ERA_1 = DAY_HEIGHT * 120;
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/// After the first foundation levy era, we decrease the foundation levy each year
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let FOUNDATION_LEVY_ERA_2_ONWARDS = DAY_HEIGHT * 365;
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/// The foundation levy in each era
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let FOUNDATION_LEVY = [
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0.0888, 0.0777, 0.0666, 0.0555, 0.0444, 0.0333, 0.0222, 0.0111, 0.0111,
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];
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/// Compute the foundation levy for each block.
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let foundationReward = 16 * FOUNDATION_LEVY[0];
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let userReward = 16 - (FOUNDATION_LEVY[0]);
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if (height <= 0) {
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foundationReward =0;
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userReward = 0;
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} else if (height <= FOUNDATION_LEVY_ERA_1) {
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foundationReward = currentReward * FOUNDATION_LEVY[0];
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userReward = currentReward -foundationReward;
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} else {
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// We subtract 1 to include the last block of an era.
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let height_with_offset = height - FOUNDATION_LEVY_ERA_1 - 1;
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// We used the index 0 in the first era, therefore we offset the index by 1
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let index = (height_with_offset / FOUNDATION_LEVY_ERA_2_ONWARDS) + 1;
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if (index < FOUNDATION_LEVY.length ) {
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foundationReward = currentReward * FOUNDATION_LEVY[index];
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userReward = currentReward -foundationReward;
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} else {
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foundationReward = 0;
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userReward = 0;
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}
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}
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return {
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block_height,
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letest_block,
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letest_block_num,
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letest_block_duration,
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coin_existence,
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difficulty,
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targetdifficultycuckaroo,
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targetdifficultycuckatoo,
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targetdifficultyprogpow,
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targetdifficultyrandomx,
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TotalCuckoo,
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TotalDifficultyCuckaroo:BlockchainLatestBlockQuery[0].total_difficulty_cuckaroo,
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TotalDifficultyCuckatoo:BlockchainLatestBlockQuery[0].total_difficulty_cuckatoo,
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TotalDifficultyProgpow:BlockchainLatestBlockQuery[0].total_difficulty_progpow,
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TotalDifficultyRandomx:BlockchainLatestBlockQuery[0].total_difficulty_randomx,
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currentReward,
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foundationReward,
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userReward
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};
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}
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async function Details (height) {
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if(height){
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const BlockchainLatestBlockQuery2 = await getConnection(Global.network)
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.query(
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"Select hash, height from blockchain_block Where height =" +height.replace(/[a-z]/gi, '')+" OR hash ='"+height+"'",
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)
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.catch(err_msg => {
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return(err_msg);
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});
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return BlockchainLatestBlockQuery2;
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}
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}
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async function GetBlocktime(height){
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if(height){
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// const BlockchainLatestBlockQuery3 = await getConnection(Global.network)
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// .query(
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// "SELECT coalesce(max(bb.alter), 0) as alter FROM (SELECT EXTRACT(EPOCH FROM (timestamp - LAG(timestamp) OVER (ORDER BY timestamp))) AS alter FROM blockchain_block where height="+height+" OR height="+(height-1)+") as bb",
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// )
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// .catch(err_msg => {
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// return(err_msg);
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// });
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const BlockchainLatestBlockQuery3 = await getConnection(Global.network)
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.query(
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"SELECT extract(epoch from timestamp at time zone '" +process.env.TIME_ZONE+ "') AS alter FROM blockchain_block where height="+height,
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)
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.catch(err_msg => {
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return(err_msg);
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});
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return BlockchainLatestBlockQuery3;
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}
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}
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const averageblockdifficulty = async() => {
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const BlockchainBlockPerSecondQuery = await getConnection(Global.network)
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.query(
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"select count(hash) as mhash, 86400/count(hash) as period \
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from blockchain_block \
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where height != 0 AND timestamp at time zone '" +process.env.TIME_ZONE+ "' > NOW() - INTERVAL '24 HOURS' "
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)
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.catch(err_msg => {
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return(err_msg);
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});
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return BlockchainBlockPerSecondQuery[0]['period'];
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}
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async function network_hashrate(height, edge_bits, difficulty) {
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let graph_wight = await graph_weight(height, edge_bits)
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return (42.0 * (difficulty / graph_wight) / 60.0);
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}
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async function graph_weight(height, edge_bits) {
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let xpr_edge_bits = edge_bits;
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let min_edge_bits = 19;
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if(min_edge_bits == 19) {
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min_edge_bits += 12;
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}
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let bits_over_min =Math.max(0, (edge_bits - min_edge_bits));
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let expiry_height = (1 << bits_over_min) * 524160;
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if(height >= expiry_height) {
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xpr_edge_bits = Math.max(0,(xpr_edge_bits-(1 + (height - expiry_height) / 10080)));
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}
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let final_val;
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if(edge_bits > 24) {
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final_val = edge_bits - 24;
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} else {
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final_val = 24 - edge_bits;
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}
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return (2 << final_val) * xpr_edge_bits;
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}
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export {network_hashrate};
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export {averageblockdifficulty};
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export {latestBlockDetails};
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export {GetBlocktime};
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export {Details}; |