github.com/n1ghtfa1l/go-vnt@v0.6.4-alpha.6/tests/difficulty_test_util.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 "fmt" 21 "math/big" 22 23 "github.com/vntchain/go-vnt/common" 24 "github.com/vntchain/go-vnt/common/math" 25 "github.com/vntchain/go-vnt/params" 26 ) 27 28 //go:generate gencodec -type DifficultyTest -field-override difficultyTestMarshaling -out gen_difficultytest.go 29 30 type DifficultyTest struct { 31 ParentTimestamp *big.Int `json:"parentTimestamp"` 32 ParentDifficulty *big.Int `json:"parentDifficulty"` 33 CurrentTimestamp *big.Int `json:"currentTimestamp"` 34 CurrentBlockNumber uint64 `json:"currentBlockNumber"` 35 CurrentDifficulty *big.Int `json:"currentDifficulty"` 36 } 37 38 type difficultyTestMarshaling struct { 39 ParentTimestamp *math.HexOrDecimal256 40 ParentDifficulty *math.HexOrDecimal256 41 CurrentTimestamp *math.HexOrDecimal256 42 CurrentDifficulty *math.HexOrDecimal256 43 CurrentBlockNumber math.HexOrDecimal64 44 } 45 46 func (test *DifficultyTest) Run(config *params.ChainConfig) error { 47 actual := common.Big1 48 exp := test.CurrentDifficulty 49 50 if actual.Cmp(exp) != 0 { 51 return fmt.Errorf("parent[time %v diff %v] child[time %v number %v] diff %v != expected %v", 52 test.ParentTimestamp, test.ParentDifficulty, 53 test.CurrentTimestamp, test.CurrentBlockNumber, actual, exp) 54 } 55 return nil 56 57 }