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package types
import (
"testing"
"github.com/stretchr/testify/assert"
)
type voteData struct {
vote1 *Vote
vote2 *Vote
valid bool
}
func makeVote(val PrivValidator, chainID string, valIndex int, height int64, round, step int, blockID BlockID) *Vote {
v := &Vote{
ValidatorAddress: val.GetAddress(),
ValidatorIndex: valIndex,
Height: height,
Round: round,
Type: byte(step),
BlockID: blockID,
}
err := val.SignVote(chainID, v)
if err != nil {
panic(err)
}
return v
}
func TestEvidence(t *testing.T) {
val := NewMockPV()
val2 := NewMockPV()
blockID := makeBlockID("blockhash", 1000, "partshash")
blockID2 := makeBlockID("blockhash2", 1000, "partshash")
blockID3 := makeBlockID("blockhash", 10000, "partshash")
blockID4 := makeBlockID("blockhash", 10000, "partshash2")
chainID := "mychain"
vote1 := makeVote(val, chainID, 0, 10, 2, 1, blockID)
badVote := makeVote(val, chainID, 0, 10, 2, 1, blockID)
err := val2.SignVote(chainID, badVote)
if err != nil {
panic(err)
}
cases := []voteData{
{vote1, makeVote(val, chainID, 0, 10, 2, 1, blockID2), true}, // different block ids
{vote1, makeVote(val, chainID, 0, 10, 2, 1, blockID3), true},
{vote1, makeVote(val, chainID, 0, 10, 2, 1, blockID4), true},
{vote1, makeVote(val, chainID, 0, 10, 2, 1, blockID), false}, // wrong block id
{vote1, makeVote(val, "mychain2", 0, 10, 2, 1, blockID2), false}, // wrong chain id
{vote1, makeVote(val, chainID, 1, 10, 2, 1, blockID2), false}, // wrong val index
{vote1, makeVote(val, chainID, 0, 11, 2, 1, blockID2), false}, // wrong height
{vote1, makeVote(val, chainID, 0, 10, 3, 1, blockID2), false}, // wrong round
{vote1, makeVote(val, chainID, 0, 10, 2, 2, blockID2), false}, // wrong step
{vote1, makeVote(val2, chainID, 0, 10, 2, 1, blockID), false}, // wrong validator
{vote1, badVote, false}, // signed by wrong key
}
pubKey := val.GetPubKey()
for _, c := range cases {
ev := &DuplicateVoteEvidence{
VoteA: c.vote1,
VoteB: c.vote2,
}
if c.valid {
assert.Nil(t, ev.Verify(chainID, pubKey), "evidence should be valid")
} else {
assert.NotNil(t, ev.Verify(chainID, pubKey), "evidence should be invalid")
}
}
}