plugeth/params/config_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 params
import (
"math/big"
"reflect"
"testing"
"time"
"github.com/ethereum/go-ethereum/common/math"
)
func TestCheckCompatible(t *testing.T) {
type test struct {
stored, new *ChainConfig
headBlock uint64
headTimestamp uint64
wantErr *ConfigCompatError
}
tests := []test{
{stored: AllEthashProtocolChanges, new: AllEthashProtocolChanges, headBlock: 0, headTimestamp: 0, wantErr: nil},
{stored: AllEthashProtocolChanges, new: AllEthashProtocolChanges, headBlock: 0, headTimestamp: uint64(time.Now().Unix()), wantErr: nil},
{stored: AllEthashProtocolChanges, new: AllEthashProtocolChanges, headBlock: 100, wantErr: nil},
{
stored: &ChainConfig{EIP150Block: big.NewInt(10)},
new: &ChainConfig{EIP150Block: big.NewInt(20)},
headBlock: 9,
wantErr: nil,
},
{
stored: AllEthashProtocolChanges,
new: &ChainConfig{HomesteadBlock: nil},
headBlock: 3,
wantErr: &ConfigCompatError{
What: "Homestead fork block",
StoredBlock: big.NewInt(0),
NewBlock: nil,
RewindToBlock: 0,
},
},
{
stored: AllEthashProtocolChanges,
new: &ChainConfig{HomesteadBlock: big.NewInt(1)},
headBlock: 3,
wantErr: &ConfigCompatError{
What: "Homestead fork block",
StoredBlock: big.NewInt(0),
NewBlock: big.NewInt(1),
RewindToBlock: 0,
},
},
{
stored: &ChainConfig{HomesteadBlock: big.NewInt(30), EIP150Block: big.NewInt(10)},
new: &ChainConfig{HomesteadBlock: big.NewInt(25), EIP150Block: big.NewInt(20)},
headBlock: 25,
wantErr: &ConfigCompatError{
What: "EIP150 fork block",
StoredBlock: big.NewInt(10),
NewBlock: big.NewInt(20),
RewindToBlock: 9,
},
},
{
stored: &ChainConfig{ConstantinopleBlock: big.NewInt(30)},
new: &ChainConfig{ConstantinopleBlock: big.NewInt(30), PetersburgBlock: big.NewInt(30)},
headBlock: 40,
wantErr: nil,
},
{
stored: &ChainConfig{ConstantinopleBlock: big.NewInt(30)},
new: &ChainConfig{ConstantinopleBlock: big.NewInt(30), PetersburgBlock: big.NewInt(31)},
headBlock: 40,
wantErr: &ConfigCompatError{
What: "Petersburg fork block",
StoredBlock: nil,
NewBlock: big.NewInt(31),
RewindToBlock: 30,
},
},
{
stored: &ChainConfig{ShanghaiTime: newUint64(10)},
new: &ChainConfig{ShanghaiTime: newUint64(20)},
headTimestamp: 9,
wantErr: nil,
},
{
stored: &ChainConfig{ShanghaiTime: newUint64(10)},
new: &ChainConfig{ShanghaiTime: newUint64(20)},
headTimestamp: 25,
wantErr: &ConfigCompatError{
What: "Shanghai fork timestamp",
StoredTime: newUint64(10),
NewTime: newUint64(20),
RewindToTime: 9,
},
},
}
for _, test := range tests {
err := test.stored.CheckCompatible(test.new, test.headBlock, test.headTimestamp)
if !reflect.DeepEqual(err, test.wantErr) {
t.Errorf("error mismatch:\nstored: %v\nnew: %v\nheadBlock: %v\nheadTimestamp: %v\nerr: %v\nwant: %v", test.stored, test.new, test.headBlock, test.headTimestamp, err, test.wantErr)
}
}
}
func TestConfigRules(t *testing.T) {
c := &ChainConfig{
LondonBlock: new(big.Int),
ShanghaiTime: newUint64(500),
}
var stamp uint64
if r := c.Rules(big.NewInt(0), true, stamp); r.IsShanghai {
t.Errorf("expected %v to not be shanghai", stamp)
}
stamp = 500
if r := c.Rules(big.NewInt(0), true, stamp); !r.IsShanghai {
t.Errorf("expected %v to be shanghai", stamp)
}
stamp = math.MaxInt64
if r := c.Rules(big.NewInt(0), true, stamp); !r.IsShanghai {
t.Errorf("expected %v to be shanghai", stamp)
}
}