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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 core
- import (
- "math/big"
- "testing"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/consensus/istanbul"
- istanbulcommon "github.com/ethereum/go-ethereum/consensus/istanbul/common"
- ibfttypes "github.com/ethereum/go-ethereum/consensus/istanbul/ibft/types"
- )
- // notice: the normal case have been tested in integration tests.
- func TestHandleMsg(t *testing.T) {
- N := uint64(4)
- F := uint64(1)
- sys := NewTestSystemWithBackend(N, F)
- closer := sys.Run(true)
- defer closer()
- v0 := sys.backends[0]
- r0 := v0.engine
- m, _ := ibfttypes.Encode(&istanbul.Subject{
- View: &istanbul.View{
- Sequence: big.NewInt(0),
- Round: big.NewInt(0),
- },
- Digest: common.StringToHash("1234567890"),
- })
- // with a matched payload. msgPreprepare should match with *istanbul.Preprepare in normal case.
- msg := &ibfttypes.Message{
- Code: ibfttypes.MsgPreprepare,
- Msg: m,
- Address: v0.Address(),
- Signature: []byte{},
- CommittedSeal: []byte{},
- }
- _, val := v0.Validators(nil).GetByAddress(v0.Address())
- if err := r0.handleCheckedMsg(msg, val); err != istanbulcommon.ErrFailedDecodePreprepare {
- t.Errorf("error mismatch: have %v, want %v", err, istanbulcommon.ErrFailedDecodePreprepare)
- }
- m, _ = ibfttypes.Encode(&istanbul.Preprepare{
- View: &istanbul.View{
- Sequence: big.NewInt(0),
- Round: big.NewInt(0),
- },
- Proposal: makeBlock(1),
- })
- // with a unmatched payload. msgPrepare should match with *istanbul.Subject in normal case.
- msg = &ibfttypes.Message{
- Code: ibfttypes.MsgPrepare,
- Msg: m,
- Address: v0.Address(),
- Signature: []byte{},
- CommittedSeal: []byte{},
- }
- _, val = v0.Validators(nil).GetByAddress(v0.Address())
- if err := r0.handleCheckedMsg(msg, val); err != istanbulcommon.ErrFailedDecodePrepare {
- t.Errorf("error mismatch: have %v, want %v", err, istanbulcommon.ErrFailedDecodePreprepare)
- }
- m, _ = ibfttypes.Encode(&istanbul.Preprepare{
- View: &istanbul.View{
- Sequence: big.NewInt(0),
- Round: big.NewInt(0),
- },
- Proposal: makeBlock(2),
- })
- // with a unmatched payload. istanbul.MsgCommit should match with *istanbul.Subject in normal case.
- msg = &ibfttypes.Message{
- Code: ibfttypes.MsgCommit,
- Msg: m,
- Address: v0.Address(),
- Signature: []byte{},
- CommittedSeal: []byte{},
- }
- _, val = v0.Validators(nil).GetByAddress(v0.Address())
- if err := r0.handleCheckedMsg(msg, val); err != istanbulcommon.ErrFailedDecodeCommit {
- t.Errorf("error mismatch: have %v, want %v", err, istanbulcommon.ErrFailedDecodeCommit)
- }
- m, _ = ibfttypes.Encode(&istanbul.Preprepare{
- View: &istanbul.View{
- Sequence: big.NewInt(0),
- Round: big.NewInt(0),
- },
- Proposal: makeBlock(3),
- })
- // invalid message code. message code is not exists in list
- msg = &ibfttypes.Message{
- Code: uint64(99),
- Msg: m,
- Address: v0.Address(),
- Signature: []byte{},
- CommittedSeal: []byte{},
- }
- _, val = v0.Validators(nil).GetByAddress(v0.Address())
- if err := r0.handleCheckedMsg(msg, val); err == nil {
- t.Errorf("error mismatch: have %v, want nil", err)
- }
- // with malicious payload
- if err := r0.handleMsg([]byte{1}); err == nil {
- t.Errorf("error mismatch: have %v, want nil", err)
- }
- }
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