go-ethereum/params/config_test.go

82 lines
2.5 KiB
Go

// 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"
)
func TestCheckCompatible(t *testing.T) {
type test struct {
stored, new *ChainConfig
head uint64
wantErr *ConfigCompatError
}
tests := []test{
{stored: AllEthashProtocolChanges, new: AllEthashProtocolChanges, head: 0, wantErr: nil},
{stored: AllEthashProtocolChanges, new: AllEthashProtocolChanges, head: 100, wantErr: nil},
{
stored: &ChainConfig{EIP150Block: big.NewInt(10)},
new: &ChainConfig{EIP150Block: big.NewInt(20)},
head: 9,
wantErr: nil,
},
{
stored: AllEthashProtocolChanges,
new: &ChainConfig{HomesteadBlock: nil},
head: 3,
wantErr: &ConfigCompatError{
What: "Homestead fork block",
StoredConfig: big.NewInt(0),
NewConfig: nil,
RewindTo: 0,
},
},
{
stored: AllEthashProtocolChanges,
new: &ChainConfig{HomesteadBlock: big.NewInt(1)},
head: 3,
wantErr: &ConfigCompatError{
What: "Homestead fork block",
StoredConfig: big.NewInt(0),
NewConfig: big.NewInt(1),
RewindTo: 0,
},
},
{
stored: &ChainConfig{HomesteadBlock: big.NewInt(30), EIP150Block: big.NewInt(10)},
new: &ChainConfig{HomesteadBlock: big.NewInt(25), EIP150Block: big.NewInt(20)},
head: 25,
wantErr: &ConfigCompatError{
What: "EIP150 fork block",
StoredConfig: big.NewInt(10),
NewConfig: big.NewInt(20),
RewindTo: 9,
},
},
}
for _, test := range tests {
err := test.stored.CheckCompatible(test.new, test.head)
if !reflect.DeepEqual(err, test.wantErr) {
t.Errorf("error mismatch:\nstored: %v\nnew: %v\nhead: %v\nerr: %v\nwant: %v", test.stored, test.new, test.head, err, test.wantErr)
}
}
}