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path: root/tests/difficulty_test.go
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// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package tests

import (
    "math/big"
    "testing"

    "github.com/dexon-foundation/dexon/common"
    "github.com/dexon-foundation/dexon/params"
)

var (
    mainnetChainConfig = params.ChainConfig{
        ChainID:        big.NewInt(1),
        HomesteadBlock: big.NewInt(1150000),
        DAOForkBlock:   big.NewInt(1920000),
        DAOForkSupport: true,
        EIP150Block:    big.NewInt(2463000),
        EIP150Hash:     common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
        EIP155Block:    big.NewInt(2675000),
        EIP158Block:    big.NewInt(2675000),
        ByzantiumBlock: big.NewInt(4370000),
    }
)

func TestDifficulty(t *testing.T) {
    t.Parallel()

    dt := new(testMatcher)
    // Not difficulty-tests
    dt.skipLoad("hexencodetest.*")
    dt.skipLoad("crypto.*")
    dt.skipLoad("blockgenesistest\\.json")
    dt.skipLoad("genesishashestest\\.json")
    dt.skipLoad("keyaddrtest\\.json")
    dt.skipLoad("txtest\\.json")

    // files are 2 years old, contains strange values
    dt.skipLoad("difficultyCustomHomestead\\.json")
    dt.skipLoad("difficultyMorden\\.json")
    dt.skipLoad("difficultyOlimpic\\.json")

    dt.config("Ropsten", *params.EthereumTestnetChainConfig)
    dt.config("Morden", *params.EthereumTestnetChainConfig)
    dt.config("Frontier", params.ChainConfig{})

    dt.config("Homestead", params.ChainConfig{
        HomesteadBlock: big.NewInt(0),
    })

    dt.config("Byzantium", params.ChainConfig{
        ByzantiumBlock: big.NewInt(0),
    })

    dt.config("Frontier", *params.EthereumTestnetChainConfig)
    dt.config("MainNetwork", mainnetChainConfig)
    dt.config("CustomMainNetwork", mainnetChainConfig)
    dt.config("Constantinople", params.ChainConfig{
        ConstantinopleBlock: big.NewInt(0),
    })
    dt.config("difficulty.json", mainnetChainConfig)

    dt.walk(t, difficultyTestDir, func(t *testing.T, name string, test *DifficultyTest) {
        cfg := dt.findConfig(name)
        if test.ParentDifficulty.Cmp(params.MinimumDifficulty) < 0 {
            t.Skip("difficulty below minimum")
            return
        }
        if err := dt.checkFailure(t, name, test.Run(cfg)); err != nil {
            t.Error(err)
        }
    })
}