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Create database #25

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8e0680e
Create database
thedetukov May 8, 2023
4a36ecd
Fixed data block and explorer
thedetukov May 8, 2023
7216068
Fixed create tables
thedetukov May 9, 2023
4f926f4
Fixed structure of database
thedetukov May 9, 2023
e625d5e
Fixed create sequence
thedetukov May 9, 2023
4da2f38
Fixed foreign_key for transaction and block
thedetukov May 9, 2023
904d05a
Added constraint to address
thedetukov May 9, 2023
92e8c69
Fixed explorer
thedetukov May 9, 2023
0d464bc
Added foreign_key to blockchain
thedetukov May 9, 2023
19d1ad2
Added explorer_spec
thedetukov May 19, 2023
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6 changes: 6 additions & 0 deletions .vscode/launch.json
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,12 @@
"type": "dart",
"program": "bin/server.dart",
"cwd": "${workspaceFolder}"
},{
"name": "Test",
"request": "launch",
"type": "dart",
"cwd": "${workspaceFolder}",
"program": "bin/address.dart"
}
]
}
353 changes: 349 additions & 4 deletions bin/server.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,12 @@
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// ignore_for_file: prefer_expression_function_bodies

import 'dart:convert';
import 'dart:io';

import 'package:mustache_template/mustache.dart';
import 'package:shelf/shelf.dart';
import 'package:shelf/shelf_io.dart' as shelf_io;
import 'package:shelf_router/shelf_router.dart' as shelf_router;
Expand Down Expand Up @@ -39,20 +42,362 @@ Future<void> main() async {
}

// Serve files from the file system.
final _staticHandler =
shelf_static.createStaticHandler('../frontend', defaultDocument: 'index.html');
final _staticHandler = shelf_static.createStaticHandler(
'../frontend',
defaultDocument: 'index.html',
);

// Router instance to handler requests.
final _router = shelf_router.Router()
..get('/helloworld', _helloWorldHandler)
..get('/search', _search)
..get('/address/<address>', _address)
..get('/transaction/<transaction>', _transaction)
..get('/error/<error>', _error)
..get(
'/time',
(request) => Response.ok(DateTime.now().toUtc().toIso8601String()),
)
..get('/info.json', _infoHandler)
..get('/sum/<a|[0-9]+>/<b|[0-9]+>', _sumHandler);

Response _helloWorldHandler(Request request) => Response.ok('Hello, World!');
Future<Response> _search(Request request) async {
final asset = request.url.queryParameters["q"];
if (asset == "0xF0245F6251Bef9447A08766b9DA2B07b28aD80B0") {
// await Future.delayed(const Duration(seconds: 3));
// return Response.movedPermanently("/address");
return Response(308, headers: {"location": "/address/$asset"});
} else if (asset ==
"0x25eb25e730b5c0f805ec3695040b6c8a2e1ec68effc884c3ec5b7e6dd038d1a8") {
return Response(308, headers: {"location": "/transaction/$asset"});
} else {
return Response(308, headers: {"location": "/error/$asset"});
}
}

Future<Response> _address(Request request, String address) async {
final String source = await File('../frontend/address-1.html').readAsString();

var template = Template(source, name: 'address');

var output = template.renderString({
"address": address,
"assets": [
{
"id": "BNB",
"balance": [
{
"amount": 0.10038,
"value": 5,
}
],
"blockchains": [
{
"blockchain": "Binance Smart Coin",
"token": false,
"balance": [
{
"amount": 0.00038,
"value": 1,
}
],
"alternatives": [
{
"name": "com.bscscan",
"favicon": "https://bscscan.com/images/favicon.ico",
"link":
"https://bscscan.com/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "io.binance.mintscan",
"favicon": "https://binance.mintscan.io/favicon.ico",
"link":
"https://binance.mintscan.io/account/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
],
},
{
"blockchain": "Ethereum",
"token": true,
"balance": [
{
"amount": 0.1,
"value": 4,
}
],
"alternatives": [
{
"name": "io.etherscan",
"favicon": "https://etherscan.io/images/favicon3.ico",
"link":
"https://etherscan.io/token/0xB8c77482e45F1F44dE1745F52C74426C631bDD52?a=0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "io.explorer.bitquery",
"favicon":
"https://bitquery.io/wp-content/uploads/2020/09/favicon.png",
"link":
"https://explorer.bitquery.io/bsc/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
]
}
],
"name": "Binance Coin"
},
{
"id": "BUSD-T",
"balance": [
{
"amount": 0.219,
"value": 2,
}
],
"blockchains": [
{
"blockchain": "Ethereum",
"token": true,
"balance": [
{
"amount": 0.219,
"value": 2,
}
],
"alternatives": [
{
"name": "com.bscscan",
"favicon": "https://bscscan.com/images/favicon.ico",
"link":
"https://bscscan.com/token/0x55d398326f99059ff775485246999027b3197955?a=0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "io.explorer.bitquery",
"favicon":
"https://bitquery.io/wp-content/uploads/2020/09/favicon.png",
"link":
"https://explorer.bitquery.io/bsc/token/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
],
}
],
"name": "BUSD Token"
},
{
"id": "ETH",
"balance": [
{
"amount": 5.06587,
"value": 15,
}
],
"blockchains": [
{
"blockchain": "Ethereum",
"token": false,
"balance": [
{
"amount": 4.06587,
"value": 10,
}
],
"alternatives": [
{
"name": "io.etherscan",
"favicon": "https://etherscan.io/images/favicon3.ico",
"link":
"https://etherscan.io/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "io.ethplorer",
"favicon": "https://ethplorer.io/icons-29d214c3/favicon.ico",
"link":
"https://ethplorer.io/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "org.etherchain",
"favicon": "https://beaconcha.in/favicon.ico",
"link":
"https://etherchain.org/account/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
],
},
{
"blockchain": "Binance Smart Coin",
"token": true,
"balance": [
{
"amount": 1.06587,
"value": 5,
}
],
"alternatives": [
{
"name": "com.bscscan",
"favicon": "https://bscscan.com/images/favicon.ico",
"link":
"https://bscscan.com/token/0x2170ed0880ac9a755fd29b2688956bd959f933f8?a=0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
]
}
],
"name": "Ether"
},
{
"id": "MATIC",
"balance": [
{
"amount": 56.124,
"value": 25,
}
],
"blockchains": [
{
"blockchain": "Ethereum",
"token": true,
"balance": [
{
"amount": 50.124,
"value": 15,
}
],
"alternatives": [
{
"name": "com.blockchain",
"favicon":
"https://loutre.blockchair.io/assets/favicons/icon.svg",
"link":
"https://blockchair.com/ethereum/erc-20/token/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "io.explorer.bitquery",
"favicon":
"https://bitquery.io/wp-content/uploads/2020/09/favicon.png",
"link":
"https://explorer.bitquery.io/matic/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
],
},
{
"blockchain": "Polygon",
"token": false,
"balance": [
{
"amount": 6,
"value": 10,
}
],
"alternatives": [
{
"name": "com.polygonscan",
"favicon": "https://polygonscan.com/images/favicon.ico",
"link":
"https://polygonscan.com/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
]
}
],
"name": "Polygon"
},
{
"id": "USDT",
"balance": [
{
"amount": 39,
"value": 25,
}
],
"blockchains": [
{
"blockchain": "Ethereum",
"token": true,
"balance": [
{
"amount": 30,
"value": 15,
}
],
"alternatives": [
{
"name": "io.etherscan",
"favicon": "https://etherscan.io/images/favicon3.ico",
"link":
"https://etherscan.io/token/0xdac17f958d2ee523a2206206994597c13d831ec7?a=0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "io.ethplorer",
"favicon": "https://ethplorer.io/icons-29d214c3/favicon.ico",
"link":
"https://ethplorer.io/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "org.etherchain",
"favicon": "https://beaconcha.in/favicon.ico",
"link":
"https://etherchain.org/account/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
],
},
{
"blockchain": "Tron",
"token": true,
"balance": [
{
"amount": 9,
"value": 10,
}
],
"alternatives": [
{
"name": "org.tronscan",
"favicon": "https://tronscan.org/favicon.png?v=2",
"link":
"https://tronscan.org/#/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e/"
},
]
}
],
"name": "Tether"
}
]
});

return Response.ok(output, headers: {"content-type": "text/html"});
}

Future<Response> _transaction(Request request, String transaction) async {
final String source =
await File('../frontend/transaction.html').readAsString();

var template = Template(source, name: 'transaction');

var output = template.renderString({
"transaction": transaction,
"explorers": [
{
"name": "io.etherscan",
"favicon": "https://etherscan.io/images/favicon3.ico",
"link":
"https://etherscan.io/token/0xB8c77482e45F1F44dE1745F52C74426C631bDD52?a=0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
{
"name": "io.ethplorer",
"favicon": "https://ethplorer.io/icons-29d214c3/favicon.ico",
"link":
"https://ethplorer.io/address/0x2b6828f4f227953fb36f42bda830b457afdc1c5e"
},
]
});

return Response.ok(output, headers: {"content-type": "text/html"});
}

Future<Response> _error(Request request, String error) async {
final String source = await File('../frontend/error.html').readAsString();

var template = Template(source, name: 'error');

var output = template.renderString({"error": error});

return Response.ok(output, headers: {"content-type": "text/html"});
}

String _jsonEncode(Object? data) =>
const JsonEncoder.withIndent(' ').convert(data);
Expand Down
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