web3dart/lib/src/core/block_information.dart at a268cddf42e52e65ce57939ded72349f755380a9 · simolus3/web3dart · GitHub

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import 'package:web3dart/credentials.dart';
import 'package:web3dart/src/crypto/formatting.dart';
import 'package:web3dart/web3dart.dart';

class BlockInformation {
  EthereumAddress? from; // Author
  String? boundary;
  String? difficulty;
  String? extraData;
  String? gasLimit;
  String? gasUsed;
  String? hash;
  String? logsBloom;
  EthereumAddress? miner;
  String? mixHash;
  String? nonce;
  EtherAmount? baseFeePerGas;
  String? number;
  String? parentHash;
  String? receiptsRoot;
  String? seedHash;
  String? sha3Uncles;
  String? size;
  String? stateRoot;
  String? timestamp;
  String? totalDifficulty;
  List<TransactionInformation>? transactions;
  String? transactionsRoot;
  List<dynamic>? uncles;

  BlockInformation({
    this.from,
    this.boundary,
    this.difficulty,
    this.extraData,
    this.gasLimit,
    this.gasUsed,
    this.hash,
    this.logsBloom,
    this.miner,
    this.mixHash,
    this.nonce,
    this.baseFeePerGas,
    this.number,
    this.parentHash,
    this.receiptsRoot,
    this.seedHash,
    this.sha3Uncles,
    this.size,
    this.stateRoot,
    this.timestamp,
    this.totalDifficulty,
    this.transactions,
    this.transactionsRoot,
    this.uncles,
  });

  factory BlockInformation.fromJson(Map<String, dynamic> json) {
    final List<Map<String, dynamic>>? _list = List.castFrom(json['transactions'] as List<dynamic>);
    List<TransactionInformation>? _transactions;
    if (_list != null) {
      _transactions = _list.map((Map<String, dynamic> e) => TransactionInformation.fromMap(e)).toList();
    } else {
      _transactions = null;
    }

    final EthereumAddress? _from = json.containsKey('author') ? EthereumAddress.fromHex(json['author'] as String) : null;
    final String? _boundary = json.containsKey('boundary') ? json['boundary'] as String : null;
    final String? _difficulty = json.containsKey('difficulty') ? json['difficulty'] as String : null;
    final String? _extraData = json.containsKey('extraData') ? json['extraData'] as String : null;
    final String? _gasLimit = json.containsKey('gasLimit') ? json['gasLimit'] as String : null;
    final String? _gasUsed = json.containsKey('gasUsed') ? json['gasUsed'] as String : null;
    final String? _hash = json.containsKey('hash') ? json['hash'] as String : null;
    final String? _logsBloom = json.containsKey('logsBloom') ? json['logsBloom'] as String : null;
    final EthereumAddress? _miner = json.containsKey('miner') ? EthereumAddress.fromHex(json['miner'] as String) : null;
    final String? _mixHash = json.containsKey('mixHash') ? json['mixHash'] as String : null;
    final String? _nonce = json.containsKey('nonce') ? json['nonce'] as String : null;
    final EtherAmount? _baseFeePerGas = json.containsKey('baseFeePerGas') ? EtherAmount.fromUnitAndValue(EtherUnit.wei, hexToInt(json['baseFeePerGas'] as String)) : null;
    final String? _number = json.containsKey('number') ? json['number'] as String : null;
    final String? _parentHash = json.containsKey('parentHash') ? json['parentHash'] as String : null;
    final String? _receiptsRoot = json.containsKey('receiptsRoot') ? json['receiptsRoot'] as String : null;
    final String? _seedHash = json.containsKey('seedHash') ? json['seedHash'] as String : null;
    final String? _sha3Uncles = json.containsKey('sha3Uncles') ? json['sha3Uncles'] as String : null;
    final String? _size = json.containsKey('size') ? json['size'] as String : null;
    final String? _stateRoot = json.containsKey('stateRoot') ? json['size'] as String : null;
    final String? _timestamp = json.containsKey('timestamp') ? json['timestamp'] as String : null;
    final String? _totalDifficulty = json.containsKey('totalDifficulty') ? json['totalDifficulty'] as String : null;
    final String? _transactionsRoot = json.containsKey('transactionsRoot') ? json['transactionsRoot'] as String : null;
    final List<dynamic>? _uncles = json.containsKey('uncles') ? json['uncles'] as List<dynamic> : null;


    return BlockInformation(
        from: _from,
        boundary: _boundary,
        difficulty: _difficulty,
        extraData: _extraData,
        gasLimit: _gasLimit,
        gasUsed: _gasUsed,
        hash: _hash,
        logsBloom: _logsBloom,
        miner: _miner,
        mixHash: _mixHash,
        nonce: _nonce,
        baseFeePerGas: _baseFeePerGas,
        number: _number,
        parentHash: _parentHash,
        receiptsRoot: _receiptsRoot,
        seedHash: _seedHash,
        sha3Uncles: _sha3Uncles,
        size: _size,
        stateRoot: _stateRoot,
        timestamp: _timestamp,
        totalDifficulty: _totalDifficulty,
        transactions: _transactions,
        transactionsRoot: _transactionsRoot,
        uncles: _uncles,
    );
  }

  bool get isSupportEIP1559 => baseFeePerGas != null;
}