mirror of
https://github.com/ethereum/go-ethereum.git
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218 lines
7.8 KiB
Go
218 lines
7.8 KiB
Go
// 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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package ubqhash
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import (
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"encoding/json"
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"math/big"
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"os"
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"path/filepath"
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"testing"
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"github.com/ubiq/go-ubiq/common/math"
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"github.com/ubiq/go-ubiq/core"
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"github.com/ubiq/go-ubiq/core/types"
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"github.com/ubiq/go-ubiq/core/vm"
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"github.com/ubiq/go-ubiq/ethdb"
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"github.com/ubiq/go-ubiq/params"
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)
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type diffTest struct {
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ParentTimestamp uint64
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ParentDifficulty *big.Int
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CurrentTimestamp uint64
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CurrentBlocknumber *big.Int
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CurrentDifficulty *big.Int
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}
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func (d *diffTest) UnmarshalJSON(b []byte) (err error) {
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var ext struct {
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ParentTimestamp string
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ParentDifficulty string
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CurrentTimestamp string
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CurrentBlocknumber string
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CurrentDifficulty string
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}
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if err := json.Unmarshal(b, &ext); err != nil {
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return err
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}
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d.ParentTimestamp = math.MustParseUint64(ext.ParentTimestamp)
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d.ParentDifficulty = math.MustParseBig256(ext.ParentDifficulty)
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d.CurrentTimestamp = math.MustParseUint64(ext.CurrentTimestamp)
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d.CurrentBlocknumber = math.MustParseBig256(ext.CurrentBlocknumber)
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d.CurrentDifficulty = math.MustParseBig256(ext.CurrentDifficulty)
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return nil
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}
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func TestCalcDifficulty(t *testing.T) {
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file, err := os.Open(filepath.Join("..", "..", "tests", "testdata", "BasicTests", "difficulty.json"))
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if err != nil {
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t.Skip(err)
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}
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defer file.Close()
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tests := make(map[string]diffTest)
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err = json.NewDecoder(file).Decode(&tests)
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if err != nil {
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t.Fatal(err)
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}
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config := ¶ms.ChainConfig{HomesteadBlock: big.NewInt(1150000)}
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var (
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testdb = ethdb.NewMemDatabase()
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gspec = &core.Genesis{Config: config}
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genesis = gspec.MustCommit(testdb)
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blocks, _ = core.GenerateChain(config, genesis, NewFaker(), testdb, 88, nil)
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)
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headers := make([]*types.Header, len(blocks))
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for i, block := range blocks {
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headers[i] = block.Header()
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}
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// Run the header checker for blocks one-by-one, checking for both valid and invalid nonces
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chain, _ := core.NewBlockChain(testdb, nil, config, NewFaker(), vm.Config{}, nil)
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defer chain.Stop()
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for name, test := range tests {
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number := new(big.Int).Sub(test.CurrentBlocknumber, big.NewInt(1))
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diff := CalcDifficulty(chain, test.CurrentTimestamp, &types.Header{
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Number: number,
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Time: test.ParentTimestamp,
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Difficulty: test.ParentDifficulty,
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})
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if diff.Cmp(test.CurrentDifficulty) != 0 {
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t.Error(name, "failed. Expected", test.CurrentDifficulty, "and calculated", diff)
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}
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}
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}
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func TestCalcBaseBlockReward(t *testing.T) {
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reward := CalcBaseBlockReward(big.NewInt(1))
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if reward.Cmp(big.NewInt(8e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 8 (start)", "failed. Expected", big.NewInt(8e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(358363))
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if reward.Cmp(big.NewInt(8e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 8 (end)", "failed. Expected", big.NewInt(8e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(358364))
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if reward.Cmp(big.NewInt(7e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 7 (start)", "failed. Expected", big.NewInt(7e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(716727))
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if reward.Cmp(big.NewInt(7e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 7 (end)", "failed. Expected", big.NewInt(7e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(716728))
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if reward.Cmp(big.NewInt(6e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 6 (start)", "failed. Expected", big.NewInt(6e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(1075090))
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if reward.Cmp(big.NewInt(6e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 6 (end)", "failed. Expected", big.NewInt(6e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(1075091))
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if reward.Cmp(big.NewInt(5e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 5 (start)", "failed. Expected", big.NewInt(5e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(1433454))
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if reward.Cmp(big.NewInt(5e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 5 (end)", "failed. Expected", big.NewInt(5e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(1433455))
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if reward.Cmp(big.NewInt(4e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 4 (start)", "failed. Expected", big.NewInt(4e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(1791818))
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if reward.Cmp(big.NewInt(4e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 4 (end)", "failed. Expected", big.NewInt(4e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(1791819))
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if reward.Cmp(big.NewInt(3e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 3 (start)", "failed. Expected", big.NewInt(3e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(2150181))
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if reward.Cmp(big.NewInt(3e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 3 (end)", "failed. Expected", big.NewInt(3e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(2150182))
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if reward.Cmp(big.NewInt(2e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 2 (start)", "failed. Expected", big.NewInt(2e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(2508545))
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if reward.Cmp(big.NewInt(2e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 2 (end)", "failed. Expected", big.NewInt(2e+18), "and calculated", reward)
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}
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reward = CalcBaseBlockReward(big.NewInt(2508546))
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if reward.Cmp(big.NewInt(1e+18)) != 0 {
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t.Error("TestCalcBaseBlockReward 1 (start)", "failed. Expected", big.NewInt(1e+18), "and calculated", reward)
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}
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}
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func TestCalcUncleBlockReward(t *testing.T) {
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config := ¶ms.ChainConfig{HomesteadBlock: big.NewInt(0), EIP158Block: big.NewInt(10)}
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reward := big.NewInt(8e+18)
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// depth 1
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u := CalcUncleBlockReward(config, big.NewInt(5), big.NewInt(4), reward)
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if u.Cmp(big.NewInt(4e+18)) != 0 {
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t.Error("TestCalcUncleBlockReward 8", "failed. Expected", big.NewInt(4e+18), "and calculated", u)
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}
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// depth 2
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u = CalcUncleBlockReward(config, big.NewInt(8), big.NewInt(6), reward)
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if u.Cmp(big.NewInt(0)) != 0 {
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t.Error("TestCalcUncleBlockReward 8", "failed. Expected", big.NewInt(0), "and calculated", u)
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}
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// depth 3 (before negative fix)
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u = CalcUncleBlockReward(config, big.NewInt(8), big.NewInt(5), reward)
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if u.Cmp(big.NewInt(-4e+18)) != 0 {
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t.Error("TestCalcUncleBlockReward 8", "failed. Expected", big.NewInt(-4e+18), "and calculated", u)
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}
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// depth 3 (after negative fix)
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u = CalcUncleBlockReward(config, big.NewInt(10), big.NewInt(7), reward)
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if u.Cmp(big.NewInt(0)) != 0 {
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t.Error("TestCalcUncleBlockReward 8", "failed. Expected", big.NewInt(0), "and calculated", u)
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}
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reward = big.NewInt(7e+18)
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expected := big.NewInt(35e+17)
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// depth 1 (after stepdown)
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u = CalcUncleBlockReward(config, big.NewInt(8), big.NewInt(7), reward)
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if u.Cmp(expected) != 0 {
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t.Error("TestCalcUncleBlockReward 7", "failed. Expected", expected, "and calculated", u)
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}
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reward = big.NewInt(5e+18)
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expected = big.NewInt(25e+17)
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// depth 1 (after stepdown)
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u = CalcUncleBlockReward(config, big.NewInt(8), big.NewInt(7), reward)
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if u.Cmp(expected) != 0 {
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t.Error("TestCalcUncleBlockReward 5", "failed. Expected", expected, "and calculated", u)
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}
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}
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