github.com/amazechain/amc@v0.1.3/internal/vm/runtime/env.go (about)

     1  // Copyright 2023 The AmazeChain Authors
     2  // This file is part of the AmazeChain library.
     3  //
     4  // The AmazeChain 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 AmazeChain 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 AmazeChain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package runtime
    18  
    19  import (
    20  	"github.com/amazechain/amc/internal"
    21  	"github.com/amazechain/amc/internal/vm"
    22  	"github.com/amazechain/amc/internal/vm/evmtypes"
    23  )
    24  
    25  func NewEnv(cfg *Config) *vm.EVM {
    26  	txContext := evmtypes.TxContext{
    27  		Origin:   cfg.Origin,
    28  		GasPrice: cfg.GasPrice,
    29  	}
    30  
    31  	blockContext := evmtypes.BlockContext{
    32  		CanTransfer: internal.CanTransfer,
    33  		Transfer:    internal.Transfer,
    34  		GetHash:     cfg.GetHashFn,
    35  		Coinbase:    cfg.Coinbase,
    36  		BlockNumber: cfg.BlockNumber.Uint64(),
    37  		Time:        cfg.Time.Uint64(),
    38  		Difficulty:  cfg.Difficulty,
    39  		GasLimit:    cfg.GasLimit,
    40  		BaseFee:     cfg.BaseFee,
    41  	}
    42  
    43  	return vm.NewEVM(blockContext, txContext, cfg.State, cfg.ChainConfig, cfg.EVMConfig)
    44  }