package consensus
|
|
|
|
import (
|
|
"math"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/gogo/protobuf/proto"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/tendermint/tendermint/crypto/merkle"
|
|
"github.com/tendermint/tendermint/libs/bits"
|
|
tmrand "github.com/tendermint/tendermint/libs/rand"
|
|
"github.com/tendermint/tendermint/p2p"
|
|
tmcons "github.com/tendermint/tendermint/proto/tendermint/consensus"
|
|
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
func TestMsgToProto(t *testing.T) {
|
|
psh := types.PartSetHeader{
|
|
Total: 1,
|
|
Hash: tmrand.Bytes(32),
|
|
}
|
|
pbPsh := psh.ToProto()
|
|
bi := types.BlockID{
|
|
Hash: tmrand.Bytes(32),
|
|
PartSetHeader: psh,
|
|
}
|
|
pbBi := bi.ToProto()
|
|
bits := bits.NewBitArray(1)
|
|
pbBits := bits.ToProto()
|
|
|
|
parts := types.Part{
|
|
Index: 1,
|
|
Bytes: []byte("test"),
|
|
Proof: merkle.Proof{
|
|
Total: 1,
|
|
Index: 1,
|
|
LeafHash: tmrand.Bytes(32),
|
|
Aunts: [][]byte{},
|
|
},
|
|
}
|
|
pbParts, err := parts.ToProto()
|
|
require.NoError(t, err)
|
|
|
|
proposal := types.Proposal{
|
|
Type: tmproto.ProposalType,
|
|
Height: 1,
|
|
Round: 1,
|
|
POLRound: 1,
|
|
BlockID: bi,
|
|
Timestamp: time.Now(),
|
|
Signature: tmrand.Bytes(20),
|
|
}
|
|
pbProposal := proposal.ToProto()
|
|
|
|
pv := types.NewMockPV()
|
|
pk, err := pv.GetPubKey()
|
|
require.NoError(t, err)
|
|
val := types.NewValidator(pk, 100)
|
|
|
|
vote, err := types.MakeVote(
|
|
1, types.BlockID{}, &types.ValidatorSet{Proposer: val, Validators: []*types.Validator{val}},
|
|
pv, "chainID", time.Now())
|
|
require.NoError(t, err)
|
|
pbVote := vote.ToProto()
|
|
|
|
testsCases := []struct {
|
|
testName string
|
|
msg Message
|
|
want *tmcons.Message
|
|
wantErr bool
|
|
}{
|
|
{"successful NewRoundStepMessage", &NewRoundStepMessage{
|
|
Height: 2,
|
|
Round: 1,
|
|
Step: 1,
|
|
SecondsSinceStartTime: 1,
|
|
LastCommitRound: 2,
|
|
}, &tmcons.Message{
|
|
Sum: &tmcons.Message_NewRoundStep{
|
|
NewRoundStep: &tmcons.NewRoundStep{
|
|
Height: 2,
|
|
Round: 1,
|
|
Step: 1,
|
|
SecondsSinceStartTime: 1,
|
|
LastCommitRound: 2,
|
|
},
|
|
},
|
|
}, false},
|
|
|
|
{"successful NewValidBlockMessage", &NewValidBlockMessage{
|
|
Height: 1,
|
|
Round: 1,
|
|
BlockPartSetHeader: psh,
|
|
BlockParts: bits,
|
|
IsCommit: false,
|
|
}, &tmcons.Message{
|
|
Sum: &tmcons.Message_NewValidBlock{
|
|
NewValidBlock: &tmcons.NewValidBlock{
|
|
Height: 1,
|
|
Round: 1,
|
|
BlockPartSetHeader: pbPsh,
|
|
BlockParts: pbBits,
|
|
IsCommit: false,
|
|
},
|
|
},
|
|
}, false},
|
|
{"successful BlockPartMessage", &BlockPartMessage{
|
|
Height: 100,
|
|
Round: 1,
|
|
Part: &parts,
|
|
}, &tmcons.Message{
|
|
Sum: &tmcons.Message_BlockPart{
|
|
BlockPart: &tmcons.BlockPart{
|
|
Height: 100,
|
|
Round: 1,
|
|
Part: *pbParts,
|
|
},
|
|
},
|
|
}, false},
|
|
{"successful ProposalPOLMessage", &ProposalPOLMessage{
|
|
Height: 1,
|
|
ProposalPOLRound: 1,
|
|
ProposalPOL: bits,
|
|
}, &tmcons.Message{
|
|
Sum: &tmcons.Message_ProposalPol{
|
|
ProposalPol: &tmcons.ProposalPOL{
|
|
Height: 1,
|
|
ProposalPolRound: 1,
|
|
ProposalPol: *pbBits,
|
|
},
|
|
}}, false},
|
|
{"successful ProposalMessage", &ProposalMessage{
|
|
Proposal: &proposal,
|
|
}, &tmcons.Message{
|
|
Sum: &tmcons.Message_Proposal{
|
|
Proposal: &tmcons.Proposal{
|
|
Proposal: *pbProposal,
|
|
},
|
|
},
|
|
}, false},
|
|
{"successful VoteMessage", &VoteMessage{
|
|
Vote: vote,
|
|
}, &tmcons.Message{
|
|
Sum: &tmcons.Message_Vote{
|
|
Vote: &tmcons.Vote{
|
|
Vote: pbVote,
|
|
},
|
|
},
|
|
}, false},
|
|
{"successful VoteSetMaj23", &VoteSetMaj23Message{
|
|
Height: 1,
|
|
Round: 1,
|
|
Type: 1,
|
|
BlockID: bi,
|
|
}, &tmcons.Message{
|
|
Sum: &tmcons.Message_VoteSetMaj23{
|
|
VoteSetMaj23: &tmcons.VoteSetMaj23{
|
|
Height: 1,
|
|
Round: 1,
|
|
Type: 1,
|
|
BlockID: pbBi,
|
|
},
|
|
},
|
|
}, false},
|
|
{"successful VoteSetBits", &VoteSetBitsMessage{
|
|
Height: 1,
|
|
Round: 1,
|
|
Type: 1,
|
|
BlockID: bi,
|
|
Votes: bits,
|
|
}, &tmcons.Message{
|
|
Sum: &tmcons.Message_VoteSetBits{
|
|
VoteSetBits: &tmcons.VoteSetBits{
|
|
Height: 1,
|
|
Round: 1,
|
|
Type: 1,
|
|
BlockID: pbBi,
|
|
Votes: *pbBits,
|
|
},
|
|
},
|
|
}, false},
|
|
{"failure", nil, &tmcons.Message{}, true},
|
|
}
|
|
for _, tt := range testsCases {
|
|
tt := tt
|
|
t.Run(tt.testName, func(t *testing.T) {
|
|
pb, err := MsgToProto(tt.msg)
|
|
if tt.wantErr == true {
|
|
assert.Equal(t, err != nil, tt.wantErr)
|
|
return
|
|
}
|
|
assert.EqualValues(t, tt.want, pb, tt.testName)
|
|
|
|
msg, err := MsgFromProto(pb)
|
|
|
|
if !tt.wantErr {
|
|
require.NoError(t, err)
|
|
bcm := assert.Equal(t, tt.msg, msg, tt.testName)
|
|
assert.True(t, bcm, tt.testName)
|
|
} else {
|
|
require.Error(t, err, tt.testName)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestWALMsgProto(t *testing.T) {
|
|
|
|
parts := types.Part{
|
|
Index: 1,
|
|
Bytes: []byte("test"),
|
|
Proof: merkle.Proof{
|
|
Total: 1,
|
|
Index: 1,
|
|
LeafHash: tmrand.Bytes(32),
|
|
Aunts: [][]byte{},
|
|
},
|
|
}
|
|
pbParts, err := parts.ToProto()
|
|
require.NoError(t, err)
|
|
|
|
testsCases := []struct {
|
|
testName string
|
|
msg WALMessage
|
|
want *tmcons.WALMessage
|
|
wantErr bool
|
|
}{
|
|
{"successful EventDataRoundState", types.EventDataRoundState{
|
|
Height: 2,
|
|
Round: 1,
|
|
Step: "ronies",
|
|
}, &tmcons.WALMessage{
|
|
Sum: &tmcons.WALMessage_EventDataRoundState{
|
|
EventDataRoundState: &tmproto.EventDataRoundState{
|
|
Height: 2,
|
|
Round: 1,
|
|
Step: "ronies",
|
|
},
|
|
},
|
|
}, false},
|
|
{"successful msgInfo", msgInfo{
|
|
Msg: &BlockPartMessage{
|
|
Height: 100,
|
|
Round: 1,
|
|
Part: &parts,
|
|
},
|
|
PeerID: p2p.ID("string"),
|
|
}, &tmcons.WALMessage{
|
|
Sum: &tmcons.WALMessage_MsgInfo{
|
|
MsgInfo: &tmcons.MsgInfo{
|
|
Msg: tmcons.Message{
|
|
Sum: &tmcons.Message_BlockPart{
|
|
BlockPart: &tmcons.BlockPart{
|
|
Height: 100,
|
|
Round: 1,
|
|
Part: *pbParts,
|
|
},
|
|
},
|
|
},
|
|
PeerID: "string",
|
|
},
|
|
},
|
|
}, false},
|
|
{"successful timeoutInfo", timeoutInfo{
|
|
Duration: time.Duration(100),
|
|
Height: 1,
|
|
Round: 1,
|
|
Step: 1,
|
|
}, &tmcons.WALMessage{
|
|
Sum: &tmcons.WALMessage_TimeoutInfo{
|
|
TimeoutInfo: &tmcons.TimeoutInfo{
|
|
Duration: time.Duration(100),
|
|
Height: 1,
|
|
Round: 1,
|
|
Step: 1,
|
|
},
|
|
},
|
|
}, false},
|
|
{"successful EndHeightMessage", EndHeightMessage{
|
|
Height: 1,
|
|
}, &tmcons.WALMessage{
|
|
Sum: &tmcons.WALMessage_EndHeight{
|
|
EndHeight: &tmcons.EndHeight{
|
|
Height: 1,
|
|
},
|
|
},
|
|
}, false},
|
|
{"failure", nil, &tmcons.WALMessage{}, true},
|
|
}
|
|
for _, tt := range testsCases {
|
|
tt := tt
|
|
t.Run(tt.testName, func(t *testing.T) {
|
|
pb, err := WALToProto(tt.msg)
|
|
if tt.wantErr == true {
|
|
assert.Equal(t, err != nil, tt.wantErr)
|
|
return
|
|
}
|
|
assert.EqualValues(t, tt.want, pb, tt.testName)
|
|
|
|
msg, err := WALFromProto(pb)
|
|
|
|
if !tt.wantErr {
|
|
require.NoError(t, err)
|
|
assert.Equal(t, tt.msg, msg, tt.testName) // need the concrete type as WAL Message is a empty interface
|
|
} else {
|
|
require.Error(t, err, tt.testName)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestConsMsgsVectors(t *testing.T) {
|
|
date := time.Date(2018, 8, 30, 12, 0, 0, 0, time.UTC)
|
|
psh := types.PartSetHeader{
|
|
Total: 1,
|
|
Hash: []byte("add_more_exclamation_marks_code-"),
|
|
}
|
|
pbPsh := psh.ToProto()
|
|
|
|
bi := types.BlockID{
|
|
Hash: []byte("add_more_exclamation_marks_code-"),
|
|
PartSetHeader: psh,
|
|
}
|
|
pbBi := bi.ToProto()
|
|
bits := bits.NewBitArray(1)
|
|
pbBits := bits.ToProto()
|
|
|
|
parts := types.Part{
|
|
Index: 1,
|
|
Bytes: []byte("test"),
|
|
Proof: merkle.Proof{
|
|
Total: 1,
|
|
Index: 1,
|
|
LeafHash: []byte("add_more_exclamation_marks_code-"),
|
|
Aunts: [][]byte{},
|
|
},
|
|
}
|
|
pbParts, err := parts.ToProto()
|
|
require.NoError(t, err)
|
|
|
|
proposal := types.Proposal{
|
|
Type: tmproto.ProposalType,
|
|
Height: 1,
|
|
Round: 1,
|
|
POLRound: 1,
|
|
BlockID: bi,
|
|
Timestamp: date,
|
|
Signature: []byte("add_more_exclamation"),
|
|
}
|
|
pbProposal := proposal.ToProto()
|
|
|
|
v := &types.Vote{
|
|
ValidatorAddress: []byte("add_more_exclamation"),
|
|
ValidatorIndex: 1,
|
|
Height: 1,
|
|
Round: 0,
|
|
Timestamp: date,
|
|
Type: tmproto.PrecommitType,
|
|
BlockID: bi,
|
|
}
|
|
vpb := v.ToProto()
|
|
|
|
testCases := []struct {
|
|
testName string
|
|
cMsg proto.Message
|
|
expBytes []byte
|
|
}{
|
|
{"NewRoundStep", &tmcons.Message{Sum: &tmcons.Message_NewRoundStep{NewRoundStep: &tmcons.NewRoundStep{
|
|
Height: 1,
|
|
Round: 1,
|
|
Step: 1,
|
|
SecondsSinceStartTime: 1,
|
|
LastCommitRound: 1,
|
|
}}}, []byte{0xa, 0xa, 0x8, 0x1, 0x10, 0x1, 0x18, 0x1, 0x20, 0x1, 0x28, 0x1}},
|
|
{"NewRoundStep Max", &tmcons.Message{Sum: &tmcons.Message_NewRoundStep{NewRoundStep: &tmcons.NewRoundStep{
|
|
Height: math.MaxInt64,
|
|
Round: math.MaxInt32,
|
|
Step: math.MaxUint32,
|
|
SecondsSinceStartTime: math.MaxInt64,
|
|
LastCommitRound: math.MaxInt32,
|
|
}}}, []byte{0xa, 0x26, 0x8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x10, 0xff,
|
|
0xff, 0xff, 0xff, 0x7, 0x18, 0xff, 0xff, 0xff, 0xff, 0xf, 0x20, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0xff, 0xff, 0xff, 0x7f, 0x28, 0xff, 0xff, 0xff, 0xff, 0x7}},
|
|
|
|
{"NewValidBlock", &tmcons.Message{Sum: &tmcons.Message_NewValidBlock{
|
|
NewValidBlock: &tmcons.NewValidBlock{
|
|
Height: 1, Round: 1, BlockPartSetHeader: pbPsh, BlockParts: pbBits, IsCommit: false}}},
|
|
[]byte{0x12, 0x31, 0x8, 0x1, 0x10, 0x1, 0x1a, 0x24, 0x8, 0x1, 0x12, 0x20, 0x61, 0x64, 0x64, 0x5f, 0x6d,
|
|
0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6d,
|
|
0x61, 0x72, 0x6b, 0x73, 0x5f, 0x63, 0x6f, 0x64, 0x65, 0x2d, 0x22, 0x5, 0x8, 0x1, 0x12, 0x1, 0x0}},
|
|
{"Proposal", &tmcons.Message{Sum: &tmcons.Message_Proposal{Proposal: &tmcons.Proposal{Proposal: *pbProposal}}},
|
|
[]byte{0x1a, 0x72, 0xa, 0x70, 0x8, 0x20, 0x10, 0x1, 0x18, 0x1, 0x20, 0x1, 0x2a, 0x48, 0xa, 0x20, 0x61,
|
|
0x64, 0x64, 0x5f, 0x6d, 0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69,
|
|
0x6f, 0x6e, 0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73, 0x5f, 0x63, 0x6f, 0x64, 0x65, 0x2d, 0x12, 0x24, 0x8,
|
|
0x1, 0x12, 0x20, 0x61, 0x64, 0x64, 0x5f, 0x6d, 0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61,
|
|
0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73, 0x5f, 0x63, 0x6f, 0x64, 0x65,
|
|
0x2d, 0x32, 0x6, 0x8, 0xc0, 0xb8, 0x9f, 0xdc, 0x5, 0x3a, 0x14, 0x61, 0x64, 0x64, 0x5f, 0x6d, 0x6f, 0x72,
|
|
0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e}},
|
|
{"ProposalPol", &tmcons.Message{Sum: &tmcons.Message_ProposalPol{
|
|
ProposalPol: &tmcons.ProposalPOL{Height: 1, ProposalPolRound: 1}}},
|
|
[]byte{0x22, 0x6, 0x8, 0x1, 0x10, 0x1, 0x1a, 0x0}},
|
|
{"BlockPart", &tmcons.Message{Sum: &tmcons.Message_BlockPart{
|
|
BlockPart: &tmcons.BlockPart{Height: 1, Round: 1, Part: *pbParts}}},
|
|
[]byte{0x2a, 0x36, 0x8, 0x1, 0x10, 0x1, 0x1a, 0x30, 0x8, 0x1, 0x12, 0x4,
|
|
0x74, 0x65, 0x73, 0x74, 0x1a, 0x26, 0x8, 0x1, 0x10, 0x1, 0x1a, 0x20, 0x61,
|
|
0x64, 0x64, 0x5f, 0x6d, 0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61,
|
|
0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73, 0x5f, 0x63,
|
|
0x6f, 0x64, 0x65, 0x2d}},
|
|
{"Vote", &tmcons.Message{Sum: &tmcons.Message_Vote{
|
|
Vote: &tmcons.Vote{Vote: vpb}}},
|
|
[]byte{0x32, 0x70, 0xa, 0x6e, 0x8, 0x2, 0x10, 0x1, 0x22, 0x48, 0xa, 0x20, 0x61, 0x64, 0x64,
|
|
0x5f, 0x6d, 0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69,
|
|
0x6f, 0x6e, 0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73, 0x5f, 0x63, 0x6f, 0x64, 0x65, 0x2d, 0x12,
|
|
0x24, 0x8, 0x1, 0x12, 0x20, 0x61, 0x64, 0x64, 0x5f, 0x6d, 0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78,
|
|
0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73, 0x5f,
|
|
0x63, 0x6f, 0x64, 0x65, 0x2d, 0x2a, 0x6, 0x8, 0xc0, 0xb8, 0x9f, 0xdc, 0x5, 0x32, 0x14, 0x61, 0x64,
|
|
0x64, 0x5f, 0x6d, 0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69, 0x6f,
|
|
0x6e, 0x38, 0x1}},
|
|
{"HasVote", &tmcons.Message{Sum: &tmcons.Message_HasVote{
|
|
HasVote: &tmcons.HasVote{Height: 1, Round: 1, Type: tmproto.PrevoteType, Index: 1}}},
|
|
[]byte{0x3a, 0x8, 0x8, 0x1, 0x10, 0x1, 0x18, 0x1, 0x20, 0x1}},
|
|
{"HasVote", &tmcons.Message{Sum: &tmcons.Message_HasVote{
|
|
HasVote: &tmcons.HasVote{Height: math.MaxInt64, Round: math.MaxInt32,
|
|
Type: tmproto.PrevoteType, Index: math.MaxInt32}}},
|
|
[]byte{0x3a, 0x18, 0x8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0x7f, 0x10, 0xff, 0xff, 0xff, 0xff, 0x7, 0x18, 0x1, 0x20, 0xff, 0xff, 0xff, 0xff, 0x7}},
|
|
{"VoteSetMaj23", &tmcons.Message{Sum: &tmcons.Message_VoteSetMaj23{
|
|
VoteSetMaj23: &tmcons.VoteSetMaj23{Height: 1, Round: 1, Type: tmproto.PrevoteType, BlockID: pbBi}}},
|
|
[]byte{0x42, 0x50, 0x8, 0x1, 0x10, 0x1, 0x18, 0x1, 0x22, 0x48, 0xa, 0x20, 0x61, 0x64, 0x64, 0x5f,
|
|
0x6d, 0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e,
|
|
0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73, 0x5f, 0x63, 0x6f, 0x64, 0x65, 0x2d, 0x12, 0x24, 0x8, 0x1,
|
|
0x12, 0x20, 0x61, 0x64, 0x64, 0x5f, 0x6d, 0x6f, 0x72, 0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61,
|
|
0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73, 0x5f, 0x63, 0x6f, 0x64,
|
|
0x65, 0x2d}},
|
|
{"VoteSetBits", &tmcons.Message{Sum: &tmcons.Message_VoteSetBits{
|
|
VoteSetBits: &tmcons.VoteSetBits{Height: 1, Round: 1, Type: tmproto.PrevoteType, BlockID: pbBi, Votes: *pbBits}}},
|
|
[]byte{0x4a, 0x57, 0x8, 0x1, 0x10, 0x1, 0x18, 0x1, 0x22, 0x48, 0xa, 0x20, 0x61, 0x64, 0x64, 0x5f, 0x6d, 0x6f, 0x72,
|
|
0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73,
|
|
0x5f, 0x63, 0x6f, 0x64, 0x65, 0x2d, 0x12, 0x24, 0x8, 0x1, 0x12, 0x20, 0x61, 0x64, 0x64, 0x5f, 0x6d, 0x6f, 0x72,
|
|
0x65, 0x5f, 0x65, 0x78, 0x63, 0x6c, 0x61, 0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6d, 0x61, 0x72, 0x6b, 0x73,
|
|
0x5f, 0x63, 0x6f, 0x64, 0x65, 0x2d, 0x2a, 0x5, 0x8, 0x1, 0x12, 0x1, 0x0}},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
tc := tc
|
|
t.Run(tc.testName, func(t *testing.T) {
|
|
bz, err := proto.Marshal(tc.cMsg)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, tc.expBytes, bz)
|
|
})
|
|
}
|
|
}
|