mirror of https://github.com/ethereum/go-ethereum
tests: add ethash difficulty tests (#15191)
Martin Holst Swende
7 years ago
committed by
Felix Lange
parent
2ab2a9f131
commit
a660685746
@ -0,0 +1,87 @@ |
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// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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//
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package tests |
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import ( |
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"testing" |
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"math/big" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/params" |
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) |
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var ( |
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mainnetChainConfig = params.ChainConfig{ |
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ChainId: big.NewInt(1), |
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HomesteadBlock: big.NewInt(1150000), |
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DAOForkBlock: big.NewInt(1920000), |
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DAOForkSupport: true, |
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EIP150Block: big.NewInt(2463000), |
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EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"), |
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EIP155Block: big.NewInt(2675000), |
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EIP158Block: big.NewInt(2675000), |
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ByzantiumBlock: big.NewInt(4370000), |
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} |
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) |
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func TestDifficulty(t *testing.T) { |
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t.Parallel() |
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dt := new(testMatcher) |
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// Not difficulty-tests
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dt.skipLoad("hexencodetest.*") |
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dt.skipLoad("crypto.*") |
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dt.skipLoad("blockgenesistest\\.json") |
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dt.skipLoad("genesishashestest\\.json") |
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dt.skipLoad("keyaddrtest\\.json") |
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dt.skipLoad("txtest\\.json") |
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// files are 2 years old, contains strange values
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dt.skipLoad("difficultyCustomHomestead\\.json") |
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dt.skipLoad("difficultyMorden\\.json") |
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dt.skipLoad("difficultyOlimpic\\.json") |
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dt.config("Ropsten", *params.TestnetChainConfig) |
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dt.config("Morden", *params.TestnetChainConfig) |
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dt.config("Frontier", params.ChainConfig{}) |
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dt.config("Homestead", params.ChainConfig{ |
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HomesteadBlock: big.NewInt(0), |
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}) |
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dt.config("Byzantium", params.ChainConfig{ |
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ByzantiumBlock: big.NewInt(0), |
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}) |
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dt.config("Frontier", *params.TestnetChainConfig) |
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dt.config("MainNetwork", mainnetChainConfig) |
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dt.config("CustomMainNetwork", mainnetChainConfig) |
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dt.config("difficulty.json", mainnetChainConfig) |
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dt.walk(t, difficultyTestDir, func(t *testing.T, name string, test *DifficultyTest) { |
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cfg := dt.findConfig(name) |
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if test.ParentDifficulty.Cmp(params.MinimumDifficulty) < 0 { |
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t.Skip("difficulty below minimum") |
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return |
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} |
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if err := dt.checkFailure(t, name, test.Run(cfg)); err != nil { |
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t.Error(err) |
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} |
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}) |
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} |
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@ -0,0 +1,70 @@ |
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// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
|
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// the Free Software Foundation, either version 3 of the License, or
|
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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//
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package tests |
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import ( |
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"fmt" |
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"math/big" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/common/math" |
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"github.com/ethereum/go-ethereum/consensus/ethash" |
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"github.com/ethereum/go-ethereum/core/types" |
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"github.com/ethereum/go-ethereum/params" |
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) |
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//go:generate gencodec -type DifficultyTest -field-override difficultyTestMarshaling -out gen_difficultytest.go
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type DifficultyTest struct { |
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ParentTimestamp *big.Int `json:"parentTimestamp"` |
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ParentDifficulty *big.Int `json:"parentDifficulty"` |
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UncleHash common.Hash `json:"parentUncles"` |
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CurrentTimestamp *big.Int `json:"currentTimestamp"` |
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CurrentBlockNumber uint64 `json:"currentBlockNumber"` |
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CurrentDifficulty *big.Int `json:"currentDifficulty"` |
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} |
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type difficultyTestMarshaling struct { |
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ParentTimestamp *math.HexOrDecimal256 |
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ParentDifficulty *math.HexOrDecimal256 |
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CurrentTimestamp *math.HexOrDecimal256 |
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CurrentDifficulty *math.HexOrDecimal256 |
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UncleHash common.Hash |
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CurrentBlockNumber math.HexOrDecimal64 |
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} |
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func (test *DifficultyTest) Run(config *params.ChainConfig) error { |
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parentNumber := big.NewInt(int64(test.CurrentBlockNumber - 1)) |
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parent := &types.Header{ |
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Difficulty: test.ParentDifficulty, |
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Time: test.ParentTimestamp, |
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Number: parentNumber, |
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UncleHash: test.UncleHash, |
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} |
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actual := ethash.CalcDifficulty(config, test.CurrentTimestamp.Uint64(), parent) |
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exp := test.CurrentDifficulty |
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if actual.Cmp(exp) != 0 { |
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return fmt.Errorf("parent[time %v diff %v unclehash:%x] child[time %v number %v] diff %v != expected %v", |
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test.ParentTimestamp, test.ParentDifficulty, test.UncleHash, |
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test.CurrentTimestamp, test.CurrentBlockNumber, actual, exp) |
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} |
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return nil |
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} |
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@ -0,0 +1,66 @@ |
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// Code generated by github.com/fjl/gencodec. DO NOT EDIT.
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package tests |
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import ( |
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"encoding/json" |
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"math/big" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/common/math" |
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) |
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var _ = (*difficultyTestMarshaling)(nil) |
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func (d DifficultyTest) MarshalJSON() ([]byte, error) { |
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type DifficultyTest struct { |
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ParentTimestamp *math.HexOrDecimal256 `json:"parentTimestamp"` |
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ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"` |
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UncleHash common.Hash `json:"parentUncles"` |
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CurrentTimestamp *math.HexOrDecimal256 `json:"currentTimestamp"` |
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CurrentBlockNumber math.HexOrDecimal64 `json:"currentBlockNumber"` |
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CurrentDifficulty *math.HexOrDecimal256 `json:"currentDifficulty"` |
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} |
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var enc DifficultyTest |
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enc.ParentTimestamp = (*math.HexOrDecimal256)(d.ParentTimestamp) |
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enc.ParentDifficulty = (*math.HexOrDecimal256)(d.ParentDifficulty) |
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enc.UncleHash = d.UncleHash |
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enc.CurrentTimestamp = (*math.HexOrDecimal256)(d.CurrentTimestamp) |
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enc.CurrentBlockNumber = math.HexOrDecimal64(d.CurrentBlockNumber) |
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enc.CurrentDifficulty = (*math.HexOrDecimal256)(d.CurrentDifficulty) |
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return json.Marshal(&enc) |
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} |
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func (d *DifficultyTest) UnmarshalJSON(input []byte) error { |
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type DifficultyTest struct { |
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ParentTimestamp *math.HexOrDecimal256 `json:"parentTimestamp"` |
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ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"` |
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UncleHash *common.Hash `json:"parentUncles"` |
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CurrentTimestamp *math.HexOrDecimal256 `json:"currentTimestamp"` |
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CurrentBlockNumber *math.HexOrDecimal64 `json:"currentBlockNumber"` |
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CurrentDifficulty *math.HexOrDecimal256 `json:"currentDifficulty"` |
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} |
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var dec DifficultyTest |
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if err := json.Unmarshal(input, &dec); err != nil { |
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return err |
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} |
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if dec.ParentTimestamp != nil { |
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d.ParentTimestamp = (*big.Int)(dec.ParentTimestamp) |
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} |
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if dec.ParentDifficulty != nil { |
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d.ParentDifficulty = (*big.Int)(dec.ParentDifficulty) |
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} |
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if dec.UncleHash != nil { |
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d.UncleHash = *dec.UncleHash |
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} |
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if dec.CurrentTimestamp != nil { |
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d.CurrentTimestamp = (*big.Int)(dec.CurrentTimestamp) |
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} |
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if dec.CurrentBlockNumber != nil { |
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d.CurrentBlockNumber = uint64(*dec.CurrentBlockNumber) |
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} |
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if dec.CurrentDifficulty != nil { |
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d.CurrentDifficulty = (*big.Int)(dec.CurrentDifficulty) |
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} |
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return nil |
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} |
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@ -1 +1 @@ |
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Subproject commit ca41e906351209481bce3a1b35501f25a79023c5 |
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Subproject commit 37f555fbc091fbf761aa6f02227132fb31f0681c |
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