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epic_explorer/server/app/controllers/BlockchainBlock.ts

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backend server
2019-07-09 09:22:36 +00:00
import express from 'express';
import { Request, Response, NextFunction } from 'express';
import { getRepository, getConnection } from 'typeorm';
import { validationMiddleware } from '../middlewares';
import {
InternalServerErrorException,
NoDataFoundException,
IntegerValidationException,
} from '../exceptions';
import {
BlockchainBlock,
BlockchainInput,
BlockchainOutput,
BlockchainKernel,
} from '../entities';
import {
BlockchainBlockCreateDto,
BlockchainBlockSingleViewDto,
BlockchainBlockUpdateDto,
BlockchainBlockPaginationDto,
TotalDifficultyNBlockDto,
} from '../dtos';
import { Paginate } from '../utils';
var moment = require('moment');
export class BlockchainBlockController {
public path = '/blockchain_block';
public router = express.Router();
constructor() {
this.IntializeRoutes();
}
nanoEpic(fee) {
if (fee == 0) {
return this.epic(0);
} else if (fee < 1000) {
return fee / 1000000000;
} else {
return this.microEpic(parseFloat(fee) / 1000);
}
}
microEpic(fee) {
if (fee == 0) {
return this.epic(0);
} else if (fee < 1000) {
return (fee * 1000000) / 1000000000;
} else {
return this.milliEpic(parseFloat(fee) / 1000);
}
}
milliEpic(fee) {
if (fee == 0) {
return this.epic(0);
} else if (fee < 1000) {
return (fee * 1000) / 1000000000;
} else {
return this.epic(parseFloat(fee) / 1000);
}
}
epic(fee) {
return fee;
}
dateDiff(date2) {
var current_date = new Date();
// var current_date = new Date("Sat Apr 2 2018 15:04:00 GMT+0530 (IST)");
var enddaydif =
Math.abs(date2.getTime() - current_date.getTime()) /
(1000 * 60 * 60 * 24);
var enddayrnd = Math.round(enddaydif);
// if(enddayrnd < 1) {
var time = this.convertMinsToHrmin(
Math.abs(date2.getTime() - current_date.getTime()),
);
return time;
// } else if(enddayrnd == 1) {
// return 'Ends in ' + enddayrnd + ' day';
// }else {
// return 'Ends in ' + enddayrnd + ' days';
// }
}
// convertMinsToHrmin(millseconds) {
// var seconds = Math.floor(millseconds / 1000);
// var days = Math.floor(seconds / 86400);
// var hours = Math.floor((seconds % 86400) / 3600);
// var minutes = Math.floor(((seconds % 86400) % 3600) / 60);
// var dateTimeDurationString = '';
// if ((days > 0) && (hours === 0 && minutes === 0)) dateTimeDurationString += (days > 1) ? (days + ' days ') : (days + ' day ');
// if ((days > 0) && (hours > 0 || minutes > 0)) dateTimeDurationString += (days > 1) ? (days + ' days, ') : (days + ' day, ');
// if ((hours > 0) && (minutes > 0)) dateTimeDurationString += (hours > 1) ? (hours + ' hours, ') : (hours + ' hour, ');
// if ((hours > 0) && (minutes === 0)) dateTimeDurationString += (hours > 1) ? (hours + ' hours ') : (hours + ' hour ');
// if (minutes > 0) dateTimeDurationString += (minutes > 1) ? (minutes + ' minutes ') : (minutes + ' minute ');
// if (seconds > 0) dateTimeDurationString += (seconds > 1) ? (minutes + ' seconds ') : (minutes + ' second ');
// return dateTimeDurationString;
// }
convertMinsToHrmin(millseconds) {
var seconds = Math.floor(millseconds / 1000);
var days = Math.floor(seconds / 86400);
var hours = Math.floor((seconds % 86400) / 3600);
var minutes = Math.floor(((seconds % 86400) % 3600) / 60);
seconds = seconds % 60;
var dateTimeDurationString = '';
if (days > 0 && (hours === 0 && minutes === 0))
dateTimeDurationString += days > 1 ? days + 'd ' : days + 'd ';
if (days > 0 && (hours > 0 || minutes > 0))
dateTimeDurationString += days > 1 ? days + 'd ' : days + 'd ';
if (hours > 0 && minutes > 0)
dateTimeDurationString += hours > 1 ? hours + 'h ' : hours + 'h ';
if (hours > 0 && minutes === 0)
dateTimeDurationString += hours > 1 ? hours + 'h ' : hours + 'h ';
if (minutes > 0)
dateTimeDurationString += minutes > 1 ? minutes + 'm ' : minutes + 'm ';
if (seconds > 0)
dateTimeDurationString += seconds > 1 ? seconds + 's ' : seconds + 's ';
return dateTimeDurationString;
}
public IntializeRoutes() {
/**
* @swagger
* /epic_explorer/v1/blockchain_block:
* post:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* summary: create a blockchain_block
* description: create a blockchain_block
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: BlockchainBlock
* description: create a blockchain_block
* in: body
* required: true
* schema:
* $ref: '#/definitions/BlockchainBlockDto'
* responses:
* 200:
* description: blockchain_block created successfully
* definitions:
* BlockchainBlockDto:
* description: Dto
* properties:
* Hash:
* type: string
* Version:
* type: integer
* Height:
* type: integer
* Timestamp:
* type: string
* OutputRoot:
* type: string
* RangeProofRoot:
* type: string
* KernelRoot:
* type: string
* Nonce:
* type: string
* TotalDifficulty:
* type: string
* Previous:
* type: string
* TotalKernelOffset:
* type: string
* EdgeBits:
* type: integer
* CuckooSolution:
* type: string
* PrevRoot:
* type: string
* SecondaryScaling:
* type: integer
*/
this.router.post(
`${this.path}`,
validationMiddleware(BlockchainBlockCreateDto),
this.BlockchainBlockCreate,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/totaldiffnblock:
* get:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* description: To get Total Difficulty and Number of Blocks
* summary: To get Total Difficulty and Number of Blocks
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: FromDate
* description: Enter the From date
* in: query
* type: string
* - name: ToDate
* description: Enter the To date
* in: query
* type: string
* - name: Interval
* description: Try to give Intevals such as 1 week/ 15 days/ 30 days/ 60 days/ 3 months
* in: query
* type: string
* responses:
* 200:
* description: Total Difficulty and No. of blocks fetched successfully
*/
this.router.get(
`${this.path}/totaldiffnblock`,
validationMiddleware(TotalDifficultyNBlockDto, true),
this.TotalDifficultyNBlock,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/hashrate:
* get:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* description: To get Hash Rate of AR29 abd AT31
* summary: To get Hash Rate of AR29 abd AT31
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: FromDate
* description: Enter the From date
* in: query
* type: string
* - name: ToDate
* description: Enter the To date
* in: query
* type: string
* - name: Interval
* description: Try to give Intevals such as 1 week/ 15 days/ 30 days/ 60 days/ 3 months
* in: query
* type: string
* responses:
* 200:
* description: Hash Rate of AR29 abd AT31 fetched successfully
*/
this.router.get(
`${this.path}/hashrate`,
validationMiddleware(TotalDifficultyNBlockDto, true),
this.HashRate,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/latesblockdetails:
* get:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* description: To get Latest Block Height and Coin in Existence
* summary: To get Latest Block Height and Coin in Existence
* consumes:
* - application/json
* produces:
* - application/json
* responses:
* 200:
* description: Total Difficulty and No. of blocks fetched successfully
*/
this.router.get(
`${this.path}/latesblockdetails`,
validationMiddleware(TotalDifficultyNBlockDto, true),
this.LatestDifficultyNBlock,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/blockspersec:
* get:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* description: period of blocks generation per unit(second)
* summary: period of blocks generation per unit(second)
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: FromDate
* description: Enter the From date
* in: query
* type: string
* - name: ToDate
* description: Enter the To date
* in: query
* type: string
* - name: Interval
* description: Try to give Intevals such as 1 week/ 15 days/ 30 days/ 60 days/ 3 months
* in: query
* type: string
* responses:
* 200:
* description: period of blocks generation per second fetched Successfully
*/
this.router.get(
`${this.path}/blockspersec`,
validationMiddleware(TotalDifficultyNBlockDto, true),
this.BlockchainBlockPerSecond,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/supplygrowth:
* get:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* description: Supply growth
* summary: Supply growth
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: FromDate
* description: Enter the From date
* in: query
* type: string
* - name: ToDate
* description: Enter the To date
* in: query
* type: string
* - name: Interval
* description: Try to give Intevals such as 1 week/ 15 days/ 30 days/ 60 days/ 3 months
* in: query
* type: string
* responses:
* 200:
* description: period of blocks generation per second fetched Successfully
*/
this.router.get(
`${this.path}/supplygrowth`,
validationMiddleware(TotalDifficultyNBlockDto, true),
this.SupplyGrowth,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/blockminedchart:
* get:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* description: To get Total Difficulty and Number of Blocks
* summary: To get Block Mined
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: FromDate
* description: Enter the From date
* in: query
* type: string
* - name: ToDate
* description: Enter the To date
* in: query
* type: string
* - name: Interval
* description: Try to give Intevals such as 1 week/ 15 days/ 30 days/ 60 days/ 3 months
* in: query
* type: string
* responses:
* 200:
* description: Block Mined chart data fetched successfully
*/
this.router.get(
`${this.path}/blockminedchart`,
validationMiddleware(TotalDifficultyNBlockDto, true),
this.BlockMineChart,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/list:
* get:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* description: pagination blockchain_block
* summary: pagination blockchain_block
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: CurrentPage
* description: current page specification
* in: query
* type: integer
* required: true
* - name: PageSize
* description: page size specification
* in: query
* type: integer
* required: true
* responses:
* 200:
* description: blockchain_block list fetched successfully
*/
this.router.get(
`${this.path}/list`,
validationMiddleware(BlockchainBlockPaginationDto),
this.BlockchainBlockPagination,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/{hash}:
* get:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* summary: get single blockchain_block
* description: get single blockchain_block
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: hash
* in: path
* description: blockchain_block hash
* required: true
* type: string
* responses:
* 200:
* description: blockchain_block successfully fetched for given hash..
*/
this.router.get(
`${this.path}/:hash`,
validationMiddleware(BlockchainBlockSingleViewDto, true),
this.BlockchainBlockFetch,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block:
* patch:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* summary: update a blockchain_block
* description: update a blockchain_block
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: blockchain_block
* description:
* in: body
* required: true
* schema:
* $ref: '#/definitions/BlockchainBlockDto'
* responses:
* 200:
* description: blockchain_block updated successfully
*/
this.router.patch(
`${this.path}`,
validationMiddleware(BlockchainBlockUpdateDto),
this.BlockchainBlockUpdate,
);
/**
* @swagger
* /epic_explorer/v1/blockchain_block/hash:
* delete:
* tags:
* - name: BLOCKCHAIN_BLOCK | BLOCKCHAIN_BLOCK CONTROLLER
* summary: delete a blockchain_block
* description: delete a blockchain_block
* consumes:
* - application/json
* produces:
* - application/json
* parameters:
* - name: Hash
* in: path
* description: blockchain_block hash
* required: true
* type: string
* responses:
* 200:
* description: blockchain_block successfully deleted for given hash..
*/
this.router.delete(
`${this.path}/:hash`,
validationMiddleware(BlockchainBlockSingleViewDto),
this.BlockchainBlockDelete,
);
}
private BlockchainBlockCreate = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const BlockchainBlockRequestData: BlockchainBlockCreateDto = request.body;
const BlockchainBlockCreateQuery = await getRepository(
BlockchainBlock,
).save(BlockchainBlockRequestData);
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'blockchain_block created successfully',
response: BlockchainBlockCreateQuery,
});
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private BlockchainBlockFetch = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
var BlockchainBlockFetchQuery = await getRepository(
BlockchainBlock,
).findOne({
select: [
'Hash',
'Height',
'Timestamp',
'TotalDifficulty',
'PreviousId',
'EdgeBits',
'SecondaryScaling',
'CuckooSolution',
],
where: { Hash: request.params.hash },
});
let paramVal = request.params.hash;
if (!BlockchainBlockFetchQuery && !isNaN(paramVal)) {
var BlockchainBlockFetchQuery = await getRepository(
BlockchainBlock,
).findOne({
select: [
'Hash',
'Height',
'Timestamp',
'TotalDifficulty',
'PreviousId',
'EdgeBits',
'SecondaryScaling',
'CuckooSolution',
],
where: { Height: paramVal },
});
}
if (!BlockchainBlockFetchQuery) {
next(new NoDataFoundException());
}
const BlockchainBlockInputFetchQuery = await getRepository(
BlockchainInput,
).find({
select: ['Data'],
where: { BlockId: BlockchainBlockFetchQuery.Hash },
});
const BlockchainBlockOutputFetchQuery = await getRepository(
BlockchainOutput,
).find({
select: ['OutputType', 'Commit', 'Spent'],
where: { BlockId: BlockchainBlockFetchQuery.Hash },
});
const BlockchainBlockKernalFetchQuery = await getRepository(
BlockchainKernel,
).find({
select: ['Features', 'Fee', 'LockHeight'],
where: { BlockId: BlockchainBlockFetchQuery.Hash },
});
if (BlockchainBlockFetchQuery.EdgeBits == 29) {
BlockchainBlockFetchQuery['PoWAlgorithm'] = 'cuckARoo29';
} else {
BlockchainBlockFetchQuery['PoWAlgorithm'] = 'cuckAToo31';
}
if (BlockchainBlockFetchQuery.Height <= 1440) {
BlockchainBlockFetchQuery['BlockReward'] = 200;
} else if (BlockchainBlockFetchQuery.Height <= 2880) {
BlockchainBlockFetchQuery['BlockReward'] = 180;
} else if (BlockchainBlockFetchQuery.Height <= 4320) {
BlockchainBlockFetchQuery['BlockReward'] = 160;
} else if (BlockchainBlockFetchQuery.Height <= 5760) {
BlockchainBlockFetchQuery['BlockReward'] = 140;
} else if (BlockchainBlockFetchQuery.Height <= 7200) {
BlockchainBlockFetchQuery['BlockReward'] = 120;
} else if (BlockchainBlockFetchQuery.Height <= 8640) {
BlockchainBlockFetchQuery['BlockReward'] = 100;
} else if (BlockchainBlockFetchQuery.Height <= 10080) {
BlockchainBlockFetchQuery['BlockReward'] = 80;
} else if (BlockchainBlockFetchQuery.Height <= 11520) {
BlockchainBlockFetchQuery['BlockReward'] = 60;
} else if (BlockchainBlockFetchQuery.Height <= 12960) {
BlockchainBlockFetchQuery['BlockReward'] = 50;
} else {
BlockchainBlockFetchQuery['BlockReward'] = 25;
}
if (BlockchainBlockFetchQuery.PreviousId) {
const BlockchainPreviousBlockFetchQuery = await getRepository(
BlockchainBlock,
).findOne({
select: ['TotalDifficulty'],
where: { Hash: BlockchainBlockFetchQuery.PreviousId },
});
BlockchainBlockFetchQuery['TargetDifficulty'] =
parseInt(BlockchainBlockFetchQuery.TotalDifficulty) -
parseInt(BlockchainPreviousBlockFetchQuery.TotalDifficulty);
} else {
BlockchainBlockFetchQuery['TargetDifficulty'] = 'NULL';
}
var Epicfee = 0;
BlockchainBlockKernalFetchQuery.forEach(e => {
e.Fee = this.nanoEpic(e.Fee);
Epicfee = Epicfee + e.Fee;
});
BlockchainBlockFetchQuery['Fee'] = Epicfee;
BlockchainBlockFetchQuery['Timestamp'] = moment
.utc(BlockchainBlockFetchQuery['Timestamp'])
.utc()
.format('YYYY-MM-DD,HH:MM:SS UTC');
BlockchainBlockFetchQuery['hashstart'] = BlockchainBlockFetchQuery[
'Hash'
].slice(0, 2);
BlockchainBlockFetchQuery['hashend'] = BlockchainBlockFetchQuery[
'Hash'
].slice(62, 64);
let balance = BlockchainBlockFetchQuery['Hash'].substring(2, 62);
let arr = balance.match(/.{1,6}/g);
BlockchainBlockFetchQuery['hasharray'] = arr.map(i => '#' + i);
BlockchainBlockFetchQuery
? response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'blockchain_blocksuccessfully fetched for given id.',
response: {
BlockchainBlockFetchQuery: BlockchainBlockFetchQuery,
BlockchainBlockInputFetchQuery: BlockchainBlockInputFetchQuery,
BlockchainBlockOutputFetchQuery: BlockchainBlockOutputFetchQuery,
BlockchainBlockKernalFetchQuery: BlockchainBlockKernalFetchQuery,
},
})
: next(new NoDataFoundException());
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private BlockchainBlockUpdate = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const BlockchainBlockRequestData: BlockchainBlockUpdateDto = request.body;
const BlockchainBlockUpdateQuery = await getRepository(
BlockchainBlock,
).update(BlockchainBlockRequestData.Hash, BlockchainBlockRequestData);
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'blockchain_block updated succesfully',
response: { ...BlockchainBlockUpdateQuery },
});
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private BlockchainBlockDelete = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const BlockchainBlockDeleteQuery = await getRepository(
BlockchainBlock,
).delete(request.params.Hash);
BlockchainBlockDeleteQuery
? response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'blockchain_block successfully deleted for given hash.',
response: { ...BlockchainBlockDeleteQuery },
})
: next(new NoDataFoundException());
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private BlockchainBlockPagination = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const {
CurrentPage,
// MaxPages,
PageSize,
}: BlockchainBlockPaginationDto = request.query;
if (parseInt(CurrentPage) == NaN) {
next(new IntegerValidationException('CurrentPage'));
} else if (parseInt(PageSize) == NaN) {
next(new IntegerValidationException('PageSize'));
}
// else if (parseInt(MaxPages) == NaN) {
// next(new IntegerValidationException('MaxPages'));
// }
else {
const BlockchainBlockCountQuery = await getRepository(BlockchainBlock)
.createQueryBuilder()
.getCount();
if (BlockchainBlockCountQuery) {
const PaginationReponseData = Paginate(
BlockchainBlockCountQuery,
parseInt(CurrentPage),
parseInt(PageSize),
// parseInt(MaxPages),
);
// const BlockchainBlockPaginationQuery = await getRepository(
// BlockchainBlock,
// ).find({
// skip: PaginationReponseData.startIndex,
// take: PaginationReponseData.pageSize,
// order: {
// Hash: 'DESC',
// },
// });
const BlockchainBlockPaginationQuery = await getRepository(
BlockchainBlock,
)
.createQueryBuilder('blockchain_block')
.select([
'blockchain_block.Hash',
'blockchain_block.Timestamp',
'blockchain_block.TotalDifficulty',
'blockchain_block.previous_id',
'blockchain_block.total_difficulty - LAG(blockchain_block.total_difficulty) OVER (ORDER BY blockchain_block.total_difficulty) AS target_difficulty',
'blockchain_block.Height',
'blockchain_block.EdgeBits',
'COUNT(DISTINCT(blockchain_input.block_id)) AS input_count',
'COUNT(DISTINCT(blockchain_kernel.block_id)) AS kernal_count',
'COUNT(DISTINCT(blockchain_output.block_id)) AS output_count',
])
.addSelect(
`CASE
WHEN blockchain_block.EdgeBits = 29 THEN 'cuckARoo29'
WHEN blockchain_block.EdgeBits = 31 THEN 'cuckARoo31'
END`,
'PoWAlgo',
)
.leftJoin('blockchain_block.BlockchainInputs', 'blockchain_input')
.leftJoin('blockchain_block.BlockchainKernels', 'blockchain_kernel')
.leftJoin('blockchain_block.BlockchainOutputs', 'blockchain_output')
.skip(PaginationReponseData.startIndex)
.take(PaginationReponseData.pageSize)
.orderBy('blockchain_block.Timestamp', 'DESC')
.groupBy('blockchain_block.Hash')
.getRawAndEntities();
//console.log(BlockchainBlockPaginationQuery.raw);
let BlockchainBlockResult = BlockchainBlockPaginationQuery.raw;
let lastElemt =
BlockchainBlockResult[BlockchainBlockResult.length - 1];
const BlockchainPreviousBlockFetchQuery = await getRepository(
BlockchainBlock,
).findOne({
select: ['TotalDifficulty'],
where: { Hash: lastElemt.previous_id },
});
BlockchainBlockResult[BlockchainBlockResult.length - 1][
'target_difficulty'
] =
(parseInt(lastElemt.blockchain_block_total_difficulty)
? parseInt(lastElemt.blockchain_block_total_difficulty)
: 0) -
parseInt(BlockchainPreviousBlockFetchQuery.TotalDifficulty);
BlockchainBlockResult.forEach(e => {
var latest_block = this.dateDiff(e.blockchain_block_timestamp);
e['hashstart'] = e.blockchain_block_hash.slice(0, 2);
e['hashend'] = e.blockchain_block_hash.slice(62, 64);
let balance = e.blockchain_block_hash.substring(2, 62);
let arr = balance.match(/.{1,6}/g);
e['hasharray'] = arr.map(i => '#' + i);
e['age'] = latest_block;
});
//console.log(BlockchainBlockPaginationQueryRawResult);
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'blockchain_block list fetched successfully',
response: {
...PaginationReponseData,
BlockchainBlockResult,
},
});
} else {
next(new NoDataFoundException());
}
}
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private TotalDifficultyNBlock = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const TotalDifficultyNBlockRequestData: TotalDifficultyNBlockDto =
request.query;
if (TotalDifficultyNBlockRequestData.Interval) {
var timeIntervalQry =
"timestamp at time zone '" +
process.env.TIME_ZONE +
"' > current_date - interval '" +
TotalDifficultyNBlockRequestData.Interval +
"'";
} else if (
TotalDifficultyNBlockRequestData.FromDate ||
TotalDifficultyNBlockRequestData.ToDate
) {
let fromdate = moment(TotalDifficultyNBlockRequestData.FromDate)
.utc()
.format('YYYY-MM-DD');
let todate = moment(TotalDifficultyNBlockRequestData.ToDate)
.utc()
.format('YYYY-MM-DD');
var timeIntervalQry =
"timestamp at time zone '" +
process.env.TIME_ZONE +
"' BETWEEN SYMMETRIC '" +
fromdate +
"' AND '" +
todate +
"'";
} else {
var timeIntervalQry =
"timestamp at time zone '" +
process.env.TIME_ZONE +
"' > current_date - interval '30 days'";
}
const TotalDifficultyNBlockQuery = await getConnection()
.query(
"select 1 as hash, max(total_difficulty) as total_difficulty, date(DATE_TRUNC('day', timestamp at time zone '" +
process.env.TIME_ZONE +
"')) as date, count(hash) as blocks \
from blockchain_block where " +
timeIntervalQry +
"group by DATE_TRUNC('day', timestamp at time zone '" +
process.env.TIME_ZONE +
"') order by date",
)
.catch(err_msg => {
next(err_msg);
});
let date = [],
Difficulty = [],
blocks = [];
TotalDifficultyNBlockQuery.forEach(e => {
date.push(moment(e.date).format('YYYY-MM-DD'));
Difficulty.push(parseInt(e.total_difficulty));
blocks.push(parseInt(e.blocks));
});
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'Total Difficulty and Blocks Data fetched Successfully',
response: {
Date: date,
Blocks: blocks,
TotalDifficulty: Difficulty,
},
});
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private HashRate = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const TotalDifficultyNBlockRequestData: TotalDifficultyNBlockDto =
request.query;
if (TotalDifficultyNBlockRequestData.Interval) {
var timeIntervalQry =
"timestamp > current_date - interval '" +
TotalDifficultyNBlockRequestData.Interval +
"'";
var seriesquery =
"now() - interval '" +
TotalDifficultyNBlockRequestData.Interval +
"', now()";
} else if (
TotalDifficultyNBlockRequestData.FromDate ||
TotalDifficultyNBlockRequestData.ToDate
) {
let fromdate = moment(TotalDifficultyNBlockRequestData.FromDate)
.utc()
.format('YYYY-MM-DD');
let todate = moment(TotalDifficultyNBlockRequestData.ToDate)
.utc()
.format('YYYY-MM-DD');
var timeIntervalQry =
'timestamp BETWEEN SYMMETRIC ' + fromdate + ' AND ' + todate;
var seriesquery = "'" + fromdate + "'::timestamp, '" + todate + "'";
} else {
var timeIntervalQry = "timestamp > current_date - interval '30 days'";
var seriesquery = "now() - interval '30 days', now()";
}
const HashRateQueryAR29 = await getConnection()
.query(
'with hours as ( SELECT hour::date from generate_series(' +
seriesquery +
", '1 day') as hour),tblDifference AS(select ROW_NUMBER() OVER(ORDER BY DATE_TRUNC('day', timestamp)) AS RowNumber, max(total_difficulty) as total_difficulty, date(DATE_TRUNC('day', timestamp)) as date, count(hash) as blocks from blockchain_block where " +
timeIntervalQry +
" and edge_bits=29 group by DATE_TRUNC('day', timestamp) order by date) select coalesce(max(t1.total_difficulty), 0) as total_difficulty, coalesce(max(t1.difficulty), 0) as difficulty, hours.hour, coalesce(max(t1.blocks), 0) as blocks, coalesce(max(t1.hashrate), 0) as hashrate from hours left join(SELECT cur.total_difficulty, cur.total_difficulty - previous.total_difficulty as difficulty, cur.date, cur.blocks, ((cast(cur.blocks as decimal) / 1440) * (cur.total_difficulty - previous.total_difficulty) * (2^32 / 60)) as hashrate FROM tblDifference cur LEFT OUTER JOIN tblDifference previous ON cur.RowNumber = previous.RowNumber + 1) as t1 on t1.date = hours.hour group by hours.hour order by hours.hour",
)
.catch(err_msg => {
next(err_msg);
});
const HashRateQueryAT31 = await getConnection()
.query(
'with hours as ( SELECT hour::date from generate_series(' +
seriesquery +
", '1 day') as hour),tblDifference AS(select ROW_NUMBER() OVER(ORDER BY DATE_TRUNC('day', timestamp)) AS RowNumber, max(total_difficulty) as total_difficulty, date(DATE_TRUNC('day', timestamp)) as date, count(hash) as blocks from blockchain_block where " +
timeIntervalQry +
" and edge_bits=31 group by DATE_TRUNC('day', timestamp) order by date) select coalesce(max(t1.total_difficulty), 0) as total_difficulty , coalesce(max(t1.difficulty), 0) as difficulty, hours.hour, coalesce(max(t1.blocks), 0) as blocks, coalesce(max(t1.hashrate), 0) as hashrate from hours left join(SELECT cur.total_difficulty, cur.total_difficulty - previous.total_difficulty as difficulty, cur.date, cur.blocks, ((cast(cur.blocks as decimal) / 1440) * (cur.total_difficulty - previous.total_difficulty) * (2^32 / 60)) as hashrate FROM tblDifference cur LEFT OUTER JOIN tblDifference previous ON cur.RowNumber = previous.RowNumber + 1) as t1 on t1.date = hours.hour group by hours.hour order by hours.hour",
)
.catch(err_msg => {
next(err_msg);
});
let date = [],
hashrate29 = [],
hashrate31 = [];
HashRateQueryAR29.forEach(function(e, index) {
if (index > 0) {
date.push(moment(e.hour).format('YYYY-MM-DD'));
hashrate29.push(
Math.round((parseInt(e.hashrate) / 1000000000) * 100) / 100,
);
}
});
HashRateQueryAT31.forEach(function(e, index) {
if (index > 0) {
hashrate31.push(
Math.round((parseInt(e.hashrate) / 1000000000) * 100) / 100,
);
}
});
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'Total Difficulty and Blocks Data fetched Successfully',
response: {
date,
hashrate29,
hashrate31,
},
});
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private LatestDifficultyNBlock = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
let block_height = '',
letest_block = '',
letest_block_num = '',
letest_block_duration = '';
const BlockchainLatestBlockQuery = await getConnection()
.query(
'SELECT timestamp,height,edge_bits,hash,secondary_scaling, previous_id, total_difficulty FROM blockchain_block ORDER BY timestamp DESC LIMIT 1',
)
.catch(err_msg => {
next(err_msg);
});
const BlockchainPreviousBlockQuery = await getConnection()
.query(
'SELECT total_difficulty FROM blockchain_block WHERE hash=' +
"'" +
BlockchainLatestBlockQuery[0].previous_id +
"'",
)
.catch(err_msg => {
next(err_msg);
});
let height = BlockchainLatestBlockQuery[0].height;
if (height > 12960) {
var remain_block = height - 12960;
var coin_existence =
1440 * 200 +
1440 * 180 +
1440 * 160 +
1440 * 140 +
1440 * 120 +
1440 * 100 +
1440 * 80 +
1440 * 60 +
1440 * 50 +
25 * remain_block;
} else if (height > 11520) {
var remain_block = height - 11520;
var coin_existence =
1440 * 200 +
1440 * 180 +
1440 * 160 +
1440 * 140 +
1440 * 120 +
1440 * 100 +
1440 * 80 +
1440 * 60 +
remain_block * 50;
} else if (height > 10080) {
var remain_block = height - 10080;
var coin_existence =
1440 * 200 +
1440 * 180 +
1440 * 160 +
1440 * 140 +
1440 * 120 +
1440 * 100 +
1440 * 80 +
remain_block * 60;
} else if (height > 8640) {
var remain_block = height - 8640;
var coin_existence =
1440 * 200 +
1440 * 180 +
1440 * 160 +
1440 * 140 +
1440 * 120 +
1440 * 100 +
remain_block * 80;
} else if (height > 7200) {
var remain_block = height - 7200;
var coin_existence =
1440 * 200 +
1440 * 180 +
1440 * 160 +
1440 * 140 +
1440 * 120 +
remain_block * 100;
} else if (height > 5760) {
var remain_block = height - 5760;
var coin_existence =
1440 * 200 +
1440 * 180 +
1440 * 160 +
1440 * 140 +
remain_block * 120;
} else if (height > 4320) {
var remain_block = height - 4320;
var coin_existence =
1440 * 200 + 1440 * 180 + 1440 * 160 + remain_block * 140;
} else if (height > 2880) {
var remain_block = height - 2880;
var coin_existence = 1440 * 200 + 1440 * 180 + remain_block * 160;
} else if (height > 1440) {
var remain_block = height - 1440;
var coin_existence = 1440 * 200 + remain_block * 180;
} else {
var coin_existence = height * 200;
}
letest_block = moment(BlockchainLatestBlockQuery[0].timestamp).fromNow();
letest_block_num = letest_block.substr(0, letest_block.indexOf(' ')); // "72"
letest_block_duration = letest_block.substr(
letest_block.indexOf(' ') + 1,
); // "tocirah sneab"
const SECOND_POW_EDGE_BITS = 29;
const BASE_EDGE_BITS = 24;
if (BlockchainLatestBlockQuery[0].edge_bits == SECOND_POW_EDGE_BITS) {
var hashvalue = BlockchainLatestBlockQuery[0].hash;
var diff =
(BlockchainLatestBlockQuery[0].secondary_scaling * 2 ** 64) /
parseInt(hashvalue.substring(0, 16), 16);
var result = Math.min(diff, 0xffffffffffffffff);
var difficulty = Math.round(result);
} else {
var graph_weight =
2 *
2 ** (BlockchainLatestBlockQuery[0].edge_bits - BASE_EDGE_BITS) *
BlockchainLatestBlockQuery[0].edge_bits;
var hashvalue = BlockchainLatestBlockQuery[0].hash;
var diff =
(graph_weight * 2 ** 64) / parseInt(hashvalue.substring(0, 16), 16);
var result = Math.min(diff, 0xffffffffffffffff);
var difficulty = Math.round(result);
}
if (BlockchainLatestBlockQuery[0].previous_id) {
var targetdifficulty =
BlockchainLatestBlockQuery[0].total_difficulty -
BlockchainPreviousBlockQuery[0].total_difficulty;
}
block_height = BlockchainLatestBlockQuery[0].height;
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'Latest Block Details fetched Successfully',
response: {
block_height,
letest_block,
letest_block_num,
letest_block_duration,
coin_existence,
difficulty,
targetdifficulty,
},
});
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private BlockchainBlockPerSecond = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const BlockchainBlockPerSecondData: TotalDifficultyNBlockDto =
request.query;
if (BlockchainBlockPerSecondData.Interval) {
var timeIntervalQry =
"timestamp > current_date - interval '" +
BlockchainBlockPerSecondData.Interval +
"'";
} else if (
BlockchainBlockPerSecondData.FromDate ||
BlockchainBlockPerSecondData.ToDate
) {
let fromdate = moment(BlockchainBlockPerSecondData.FromDate)
.utc()
.format('YYYY-MM-DD');
let todate = moment(BlockchainBlockPerSecondData.ToDate)
.utc()
.format('YYYY-MM-DD');
var timeIntervalQry =
'timestamp BETWEEN SYMMETRIC ' + fromdate + ' AND ' + todate;
} else {
var timeIntervalQry = "timestamp > current_date - interval '30 days'";
}
const BlockchainBlockPerSecondQuery = await getConnection()
.query(
"select date(DATE_TRUNC('day', timestamp)) as date, count(hash) as blocks, 86400/count(hash) as period \
from blockchain_block where " +
timeIntervalQry +
"group by DATE_TRUNC('day', timestamp) order by date",
)
.catch(err_msg => {
next(err_msg);
});
let date = [],
period = [];
BlockchainBlockPerSecondQuery.forEach(e => {
date.push(moment(e.date).format('YYYY-MM-DD'));
period.push(parseInt(e.period));
});
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'period of blocks generation per second fetched Successfully',
response: {
date,
period,
},
});
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private SupplyGrowth = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const BlockchainBlockPerSecondData: TotalDifficultyNBlockDto =
request.query;
if (BlockchainBlockPerSecondData.Interval) {
var timeIntervalQry =
"timestamp > current_date - interval '" +
BlockchainBlockPerSecondData.Interval +
"'";
} else if (
BlockchainBlockPerSecondData.FromDate ||
BlockchainBlockPerSecondData.ToDate
) {
let fromdate = moment(BlockchainBlockPerSecondData.FromDate)
.utc()
.format('YYYY-MM-DD');
let todate = moment(BlockchainBlockPerSecondData.ToDate)
.utc()
.format('YYYY-MM-DD');
var timeIntervalQry =
'timestamp BETWEEN SYMMETRIC ' + fromdate + ' AND ' + todate;
} else {
var timeIntervalQry = "timestamp > current_date - interval '30 days'";
}
const BlockchainBlockPerSecondQuery = await getConnection()
.query(
'select x.timestamp, SUM(x.reward) as total_reward_per_day \
from (SELECT hash, height, CAST(timestamp AS DATE), \
CASE \
WHEN height <= 1440 THEN 200 \
WHEN height <= 2880 THEN 180 \
WHEN height <= 4320 THEN 160 \
WHEN height <= 5760 THEN 140 \
WHEN height <= 7200 THEN 120 \
WHEN height <= 8640 THEN 100 \
WHEN height <= 10080 THEN 80 \
WHEN height <= 11520 THEN 60 \
WHEN height <= 12960 THEN 50 \
ELSE 25 \
END AS reward \
FROM blockchain_block where ' +
timeIntervalQry +
') as x group by x.timestamp Order by x.timestamp ASC',
)
.catch(err_msg => {
next(err_msg);
});
let date = [],
total_reward_per_day = [],
addedreward = [],
prev_value = 0;
BlockchainBlockPerSecondQuery.forEach(e => {
date.push(moment(e.timestamp).format('YYYY-MM-DD'));
total_reward_per_day.push(parseInt(e.total_reward_per_day));
addedreward.push(prev_value + parseInt(e.total_reward_per_day));
prev_value = prev_value + parseInt(e.total_reward_per_day);
});
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'period of blocks generation per second fetched Successfully',
response: {
date,
total_reward_per_day,
addedreward,
},
});
} catch (error) {
next(new InternalServerErrorException(error));
}
};
private BlockMineChart = async (
request: Request,
response: Response,
next: NextFunction,
) => {
try {
const BlockchainBlockPerSecondData: TotalDifficultyNBlockDto =
request.query;
if (BlockchainBlockPerSecondData.Interval) {
var timeIntervalQry =
"timestamp at time zone '" +
process.env.TIME_ZONE +
"' > current_date - interval '" +
BlockchainBlockPerSecondData.Interval +
"'";
} else if (
BlockchainBlockPerSecondData.FromDate ||
BlockchainBlockPerSecondData.ToDate
) {
let fromdate = moment(BlockchainBlockPerSecondData.FromDate)
.utc()
.format('YYYY-MM-DD');
let todate = moment(BlockchainBlockPerSecondData.ToDate)
.utc()
.format('YYYY-MM-DD');
var timeIntervalQry =
"timestamp at time zone '" +
process.env.TIME_ZONE +
"' BETWEEN SYMMETRIC '" +
fromdate +
"' AND '" +
todate +
"'";
} else {
var timeIntervalQry =
"timestamp at time zone '" +
process.env.TIME_ZONE +
"' > current_date - interval '30 days'";
}
const BlockMineChartQuery = await getConnection()
.query(
"SELECT hash, date , total_edge_bits, cuckARoo29, cuckAToo31, ROUND(cuckARoo29 * 100.0 / total_edge_bits,2) as cuckARoo29per, ROUND(cuckAToo31 * 100.0 / total_edge_bits,2) as cuckAToo31per \
FROM (SELECT 1 as hash, \
date(DATE_TRUNC('day', timestamp at time zone '" +
process.env.TIME_ZONE +
"')) as date, \
COUNT(edge_bits) AS total_edge_bits, \
COUNT(CASE WHEN edge_bits = 29 THEN 1 ELSE NULL END) AS cuckARoo29, \
COUNT(CASE WHEN edge_bits = 31 THEN 1 ELSE NULL END) AS cuckAToo31 \
FROM blockchain_block \
where " +
timeIntervalQry +
"GROUP BY DATE_TRUNC('day', timestamp at time zone '" +
process.env.TIME_ZONE +
"')) t order by date",
)
.catch(err_msg => {
next(err_msg);
});
let date = [],
cuckARoo29per = [],
cuckAToo31per = [],
cuckARoo29Val = [],
cuckAToo31Val = [];
BlockMineChartQuery.forEach(e => {
date.push(moment(e.date).format('YYYY-MM-DD'));
cuckARoo29per.push(parseFloat(e.cuckaroo29per));
cuckAToo31per.push(parseFloat(e.cuckatoo31per));
cuckARoo29Val.push(parseInt(e.cuckaroo29));
cuckAToo31Val.push(parseInt(e.cuckatoo31));
});
response.status(200).json({
status: 200,
timestamp: Date.now(),
message: 'period of blocks generation per second fetched Successfully',
response: {
date,
cuckARoo29per,
cuckAToo31per,
cuckARoo29Val,
cuckAToo31Val,
},
});
} catch (error) {
next(new InternalServerErrorException(error));
}
};
}
Reference in New Issue Copy Permalink