github.com/core-coin/go-core/v2@v2.1.9/mobile/vm.go (about)

     1  // Copyright 2016 by the Authors
     2  // This file is part of the go-core library.
     3  //
     4  // The go-core library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-core library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-core library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // Contains all the wrappers from the core/types package.
    18  
    19  package gocore
    20  
    21  import (
    22  	"errors"
    23  
    24  	"github.com/core-coin/go-core/v2/core/types"
    25  )
    26  
    27  // Log represents a contract log event. These events are generated by the LOG
    28  // opcode and stored/indexed by the node.
    29  type Log struct {
    30  	log *types.Log
    31  }
    32  
    33  func (l *Log) GetAddress() *Address  { return &Address{l.log.Address} }
    34  func (l *Log) GetTopics() *Hashes    { return &Hashes{l.log.Topics} }
    35  func (l *Log) GetData() []byte       { return l.log.Data }
    36  func (l *Log) GetBlockNumber() int64 { return int64(l.log.BlockNumber) }
    37  func (l *Log) GetTxHash() *Hash      { return &Hash{l.log.TxHash} }
    38  func (l *Log) GetTxIndex() int       { return int(l.log.TxIndex) }
    39  func (l *Log) GetBlockHash() *Hash   { return &Hash{l.log.BlockHash} }
    40  func (l *Log) GetIndex() int         { return int(l.log.Index) }
    41  
    42  // Logs represents a slice of VM logs.
    43  type Logs struct{ logs []*types.Log }
    44  
    45  // Size returns the number of logs in the slice.
    46  func (l *Logs) Size() int {
    47  	return len(l.logs)
    48  }
    49  
    50  // Get returns the log at the given index from the slice.
    51  func (l *Logs) Get(index int) (log *Log, _ error) {
    52  	if index < 0 || index >= len(l.logs) {
    53  		return nil, errors.New("index out of bounds")
    54  	}
    55  	return &Log{l.logs[index]}, nil
    56  }