github.com/clem109/go-ethereum@v1.8.3-0.20180316121352-fe6cf00f480a/tests/difficulty_test.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum 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-ethereum 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-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package tests
    18  
    19  import (
    20  	"testing"
    21  
    22  	"math/big"
    23  
    24  	"github.com/ethereum/go-ethereum/common"
    25  	"github.com/ethereum/go-ethereum/params"
    26  )
    27  
    28  var (
    29  	mainnetChainConfig = params.ChainConfig{
    30  		ChainId:        big.NewInt(1),
    31  		HomesteadBlock: big.NewInt(1150000),
    32  		DAOForkBlock:   big.NewInt(1920000),
    33  		DAOForkSupport: true,
    34  		EIP150Block:    big.NewInt(2463000),
    35  		EIP150Hash:     common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
    36  		EIP155Block:    big.NewInt(2675000),
    37  		EIP158Block:    big.NewInt(2675000),
    38  		ByzantiumBlock: big.NewInt(4370000),
    39  	}
    40  )
    41  
    42  func TestDifficulty(t *testing.T) {
    43  	t.Parallel()
    44  
    45  	dt := new(testMatcher)
    46  	// Not difficulty-tests
    47  	dt.skipLoad("hexencodetest.*")
    48  	dt.skipLoad("crypto.*")
    49  	dt.skipLoad("blockgenesistest\\.json")
    50  	dt.skipLoad("genesishashestest\\.json")
    51  	dt.skipLoad("keyaddrtest\\.json")
    52  	dt.skipLoad("txtest\\.json")
    53  
    54  	// files are 2 years old, contains strange values
    55  	dt.skipLoad("difficultyCustomHomestead\\.json")
    56  	dt.skipLoad("difficultyMorden\\.json")
    57  	dt.skipLoad("difficultyOlimpic\\.json")
    58  
    59  	dt.config("Ropsten", *params.TestnetChainConfig)
    60  	dt.config("Morden", *params.TestnetChainConfig)
    61  	dt.config("Frontier", params.ChainConfig{})
    62  
    63  	dt.config("Homestead", params.ChainConfig{
    64  		HomesteadBlock: big.NewInt(0),
    65  	})
    66  
    67  	dt.config("Byzantium", params.ChainConfig{
    68  		ByzantiumBlock: big.NewInt(0),
    69  	})
    70  
    71  	dt.config("Frontier", *params.TestnetChainConfig)
    72  	dt.config("MainNetwork", mainnetChainConfig)
    73  	dt.config("CustomMainNetwork", mainnetChainConfig)
    74  	dt.config("difficulty.json", mainnetChainConfig)
    75  
    76  	dt.walk(t, difficultyTestDir, func(t *testing.T, name string, test *DifficultyTest) {
    77  		cfg := dt.findConfig(name)
    78  		if test.ParentDifficulty.Cmp(params.MinimumDifficulty) < 0 {
    79  			t.Skip("difficulty below minimum")
    80  			return
    81  		}
    82  		if err := dt.checkFailure(t, name, test.Run(cfg)); err != nil {
    83  			t.Error(err)
    84  		}
    85  	})
    86  }