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Code Issues Packages Projects Releases Wiki Activity

evidence: introduction of LightClientAttackEvidence and refactor of evidence lifecycle (#5361)

Browse Source 
evidence: modify evidence types (#5342)

light: detect light client attacks (#5344)

evidence: refactor evidence pool (#5345)

abci: application evidence prepared by evidence pool (#5354)
This commit is contained in:
Callum Waters
2020-09-22 10:22:54 +02:00
committed by GitHub
parent 309e29c245
commit ed002cea7e
57 changed files with 3240 additions and 1241 deletions
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36
light/client_test.go
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@@ -61,7 +61,7 @@ var (
valSet,
)
deadNode = mockp.NewDeadMock(chainID)
largeFullNode = mockp.New(GenMockNode(chainID, 10, 3, 0, bTime))
largeFullNode = mockp.New(genMockNode(chainID, 10, 3, 0, bTime))
)
func TestValidateTrustOptions(t *testing.T) {
@@ -118,6 +118,7 @@ func TestMock(t *testing.T) {
func TestClient_SequentialVerification(t *testing.T) {
newKeys := genPrivKeys(4)
newVals := newKeys.ToValidators(10, 1)
differentVals, _ := types.RandValidatorSet(10, 100)
testCases := []struct {
name string
@@ -146,6 +147,26 @@ func TestClient_SequentialVerification(t *testing.T) {
true,
false,
},
{
"bad: no first signed header",
map[int64]*types.SignedHeader{},
map[int64]*types.ValidatorSet{
1: differentVals,
},
true,
true,
},
{
"bad: different first validator set",
map[int64]*types.SignedHeader{
1: h1,
},
map[int64]*types.ValidatorSet{
1: differentVals,
},
true,
true,
},
{
"bad: 1/3 signed interim header",
map[int64]*types.SignedHeader{
@@ -356,15 +377,15 @@ func TestClient_SkippingVerification(t *testing.T) {
// start from a large light block to make sure that the pivot height doesn't select a height outside
// the appropriate range
func TestClientLargeBisectionVerification(t *testing.T) {
veryLargeFullNode := mockp.New(GenMockNode(chainID, 100, 3, 1, bTime))
l1, err := veryLargeFullNode.LightBlock(90)
veryLargeFullNode := mockp.New(genMockNode(chainID, 100, 3, 0, bTime))
trustedLightBlock, err := veryLargeFullNode.LightBlock(5)
require.NoError(t, err)
c, err := light.NewClient(
chainID,
light.TrustOptions{
Period: 4 * time.Hour,
Height: l1.Height,
Hash: l1.Hash(),
Height: trustedLightBlock.Height,
Hash: trustedLightBlock.Hash(),
},
veryLargeFullNode,
[]provider.Provider{veryLargeFullNode},
@@ -896,6 +917,9 @@ func TestClientRemovesWitnessIfItSendsUsIncorrectHeader(t *testing.T) {
},
)
lb1, _ := badProvider1.LightBlock(2)
require.NotEqual(t, lb1.Hash(), l1.Hash())
c, err := light.NewClient(
chainID,
trustOptions,
@@ -919,7 +943,7 @@ func TestClientRemovesWitnessIfItSendsUsIncorrectHeader(t *testing.T) {
// remaining witnesses don't have light block -> error
_, err = c.VerifyLightBlockAtHeight(3, bTime.Add(2*time.Hour))
if assert.Error(t, err) {
assert.Equal(t, "awaiting response from all witnesses exceeded dropout time", err.Error())
assert.Equal(t, light.ErrFailedHeaderCrossReferencing, err)
}
// witness does not have a light block -> left in the list
assert.EqualValues(t, 1, len(c.Witnesses()))