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manager: use validator set from state (cosmos#814)
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This PR changes the signed header to use validator set from last state.

Tests needed to be updated to use at least one validator (because
`ValidateBasic` now fails if there's nil validators). Since they need to
be able to handle multiple validators anyway, we're passing 2 validators
for now.

Fixes cosmos#812
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@tuxcanfly
tuxcanfly authored Mar 28, 2023
1 parent d450698 commit 6a8b5d8
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Showing 5 changed files with 62 additions and 50 deletions.
15 changes: 1 addition & 14 deletions block/manager.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@ import (
"github.com/libp2p/go-libp2p/core/crypto"
abci "github.com/tendermint/tendermint/abci/types"
tmcrypto "github.com/tendermint/tendermint/crypto"
"github.com/tendermint/tendermint/crypto/ed25519"
"github.com/tendermint/tendermint/crypto/merkle"
"github.com/tendermint/tendermint/proxy"
tmtypes "github.com/tendermint/tendermint/types"
Expand Down Expand Up @@ -494,19 +493,7 @@ func (m *Manager) publishBlock(ctx context.Context) error {
// set the commit to current block's signed header
block.SignedHeader.Commit = *commit

// set the validator set using the signer's public key
// TODO(ganesh): need to hook into a module that selects signers
pubKeyRaw, err := m.proposerKey.GetPublic().Raw()
if err != nil {
return err
}
pubKey := ed25519.PubKey(pubKeyRaw)
proposer := &tmtypes.Validator{Address: pubKey.Address(), PubKey: pubKey}
// TODO: read staking query to construct validators
block.SignedHeader.Validators = &tmtypes.ValidatorSet{
Validators: []*tmtypes.Validator{proposer},
Proposer: proposer,
}
block.SignedHeader.Validators = m.lastState.Validators

// SaveBlock commits the DB tx
err = m.store.SaveBlock(block, commit)
Expand Down
40 changes: 28 additions & 12 deletions node/full_client_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import (
"github.com/tendermint/tendermint/version"

"github.com/rollkit/rollkit/config"
"github.com/rollkit/rollkit/conv"
abciconv "github.com/rollkit/rollkit/conv/abci"
"github.com/rollkit/rollkit/mocks"
"github.com/rollkit/rollkit/types"
Expand All @@ -53,6 +54,21 @@ func getRandomValidatorSet() *tmtypes.ValidatorSet {
}
}

// TODO: use n and return n validators
func getGenesisValidatorSetWithSigner(n int) ([]tmtypes.GenesisValidator, crypto.PrivKey) {
validatorKey := ed25519.GenPrivKey()
nodeKey := &p2p.NodeKey{
PrivKey: validatorKey,
}
signingKey, _ := conv.GetNodeKey(nodeKey)
pubKey := validatorKey.PubKey()

genesisValidators := []tmtypes.GenesisValidator{
{Address: pubKey.Address(), PubKey: pubKey, Power: int64(100), Name: "gen #1"},
}
return genesisValidators, signingKey
}

func TestConnectionGetter(t *testing.T) {
assert := assert.New(t)

Expand Down Expand Up @@ -410,15 +426,7 @@ func TestTx(t *testing.T) {
mockApp := &mocks.Application{}
mockApp.On("InitChain", mock.Anything).Return(abci.ResponseInitChain{})
key, _, _ := crypto.GenerateEd25519Key(crand.Reader)
signingKey, _, _ := crypto.GenerateEd25519Key(crand.Reader)

vKeys := make([]tmcrypto.PrivKey, 4)
genesisValidators := make([]tmtypes.GenesisValidator, len(vKeys))
for i := 0; i < len(vKeys); i++ {
vKeys[i] = ed25519.GenPrivKey()
genesisValidators[i] = tmtypes.GenesisValidator{Address: vKeys[i].PubKey().Address(), PubKey: vKeys[i].PubKey(), Power: int64(i + 100), Name: fmt.Sprintf("genesis validator #%d", i)}
}

genesisValidators, signingKey := getGenesisValidatorSetWithSigner(1)
node, err := newFullNode(context.Background(), config.NodeConfig{
DALayer: "mock",
Aggregator: true,
Expand Down Expand Up @@ -640,6 +648,9 @@ func TestBlockchainInfo(t *testing.T) {
}

func TestValidatorSetHandling(t *testing.T) {
// handle multiple sequencers
t.Skip()

assert := assert.New(t)
require := require.New(t)
app := &mocks.Application{}
Expand All @@ -651,14 +662,18 @@ func TestValidatorSetHandling(t *testing.T) {
app.On("GenerateFraudProof", mock.Anything).Return(abci.ResponseGenerateFraudProof{})

key, _, _ := crypto.GenerateEd25519Key(crand.Reader)
signingKey, _, _ := crypto.GenerateEd25519Key(crand.Reader)

vKeys := make([]tmcrypto.PrivKey, 4)
genesisValidators := make([]tmtypes.GenesisValidator, len(vKeys))
for i := 0; i < len(vKeys); i++ {
vKeys[i] = ed25519.GenPrivKey()
genesisValidators[i] = tmtypes.GenesisValidator{Address: vKeys[i].PubKey().Address(), PubKey: vKeys[i].PubKey(), Power: int64(i + 100), Name: "one"}
genesisValidators[i] = tmtypes.GenesisValidator{Address: vKeys[i].PubKey().Address(), PubKey: vKeys[i].PubKey(), Power: int64(i + 100), Name: fmt.Sprintf("gen #%d", i)}
}

nodeKey := &p2p.NodeKey{
PrivKey: vKeys[0],
}
signingKey, _ := conv.GetNodeKey(nodeKey)

pbValKey, err := encoding.PubKeyToProto(vKeys[0].PubKey())
require.NoError(err)
Expand Down Expand Up @@ -1072,7 +1087,7 @@ func TestFutureGenesisTime(t *testing.T) {
mockApp.On("DeliverTx", mock.Anything).Return(abci.ResponseDeliverTx{})
mockApp.On("CheckTx", mock.Anything).Return(abci.ResponseCheckTx{})
key, _, _ := crypto.GenerateEd25519Key(crand.Reader)
signingKey, _, _ := crypto.GenerateEd25519Key(crand.Reader)
genesisValidators, signingKey := getGenesisValidatorSetWithSigner(1)
genesisTime := time.Now().Local().Add(time.Second * time.Duration(1))
node, err := newFullNode(context.Background(), config.NodeConfig{
DALayer: "mock",
Expand All @@ -1086,6 +1101,7 @@ func TestFutureGenesisTime(t *testing.T) {
ChainID: "test",
InitialHeight: 1,
GenesisTime: genesisTime,
Validators: genesisValidators,
},
log.TestingLogger())
require.NoError(err)
Expand Down
14 changes: 6 additions & 8 deletions node/full_node_integration_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -45,14 +45,13 @@ func TestAggregatorMode(t *testing.T) {
app.On("GetAppHash", mock.Anything).Return(abci.ResponseGetAppHash{})

key, _, _ := crypto.GenerateEd25519Key(rand.Reader)
signingKey, _, _ := crypto.GenerateEd25519Key(rand.Reader)
anotherKey, _, _ := crypto.GenerateEd25519Key(rand.Reader)

genesisValidators, signingKey := getGenesisValidatorSetWithSigner(1)
blockManagerConfig := config.BlockManagerConfig{
BlockTime: 1 * time.Second,
NamespaceID: types.NamespaceID{1, 2, 3, 4, 5, 6, 7, 8},
}
node, err := newFullNode(context.Background(), config.NodeConfig{DALayer: "mock", Aggregator: true, BlockManagerConfig: blockManagerConfig}, key, signingKey, abcicli.NewLocalClient(nil, app), &tmtypes.GenesisDoc{ChainID: "test"}, log.TestingLogger())
node, err := newFullNode(context.Background(), config.NodeConfig{DALayer: "mock", Aggregator: true, BlockManagerConfig: blockManagerConfig}, key, signingKey, abcicli.NewLocalClient(nil, app), &tmtypes.GenesisDoc{ChainID: "test", Validators: genesisValidators}, log.TestingLogger())
require.NoError(err)
require.NotNil(node)

Expand Down Expand Up @@ -147,8 +146,7 @@ func TestLazyAggregator(t *testing.T) {
app.On("GetAppHash", mock.Anything).Return(abci.ResponseGetAppHash{})

key, _, _ := crypto.GenerateEd25519Key(rand.Reader)
signingKey, _, _ := crypto.GenerateEd25519Key(rand.Reader)

genesisValidators, signingKey := getGenesisValidatorSetWithSigner(1)
blockManagerConfig := config.BlockManagerConfig{
BlockTime: 1 * time.Second,
NamespaceID: types.NamespaceID{1, 2, 3, 4, 5, 6, 7, 8},
Expand All @@ -159,7 +157,7 @@ func TestLazyAggregator(t *testing.T) {
Aggregator: true,
BlockManagerConfig: blockManagerConfig,
LazyAggregator: true,
}, key, signingKey, abcicli.NewLocalClient(nil, app), &tmtypes.GenesisDoc{ChainID: "test"}, log.TestingLogger())
}, key, signingKey, abcicli.NewLocalClient(nil, app), &tmtypes.GenesisDoc{ChainID: "test", Validators: genesisValidators}, log.TestingLogger())
assert.False(node.IsRunning())
assert.NoError(err)
err = node.Start()
Expand Down Expand Up @@ -536,7 +534,7 @@ func createNode(ctx context.Context, n int, isMalicious bool, aggregator bool, d
ctx = context.Background()
}

signingKey, _, _ := crypto.GenerateEd25519Key(rand.Reader)
genesisValidators, signingKey := getGenesisValidatorSetWithSigner(1)
node, err := newFullNode(
ctx,
config.NodeConfig{
Expand All @@ -548,7 +546,7 @@ func createNode(ctx context.Context, n int, isMalicious bool, aggregator bool, d
keys[n],
signingKey,
abcicli.NewLocalClient(nil, app),
&tmtypes.GenesisDoc{ChainID: "test"},
&tmtypes.GenesisDoc{ChainID: "test", Validators: genesisValidators},
log.TestingLogger().With("node", n))
require.NoError(err)
require.NotNil(node)
Expand Down
18 changes: 15 additions & 3 deletions rpc/json/service_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -21,11 +21,14 @@ import (
"github.com/libp2p/go-libp2p/core/crypto"
abciclient "github.com/tendermint/tendermint/abci/client"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/crypto/ed25519"
"github.com/tendermint/tendermint/libs/log"
"github.com/tendermint/tendermint/p2p"
rpcclient "github.com/tendermint/tendermint/rpc/client"
"github.com/tendermint/tendermint/types"
tmtypes "github.com/tendermint/tendermint/types"

"github.com/rollkit/rollkit/config"
"github.com/rollkit/rollkit/conv"
"github.com/rollkit/rollkit/mocks"
"github.com/rollkit/rollkit/node"
)
Expand Down Expand Up @@ -291,8 +294,17 @@ func getRPC(t *testing.T) (*mocks.Application, rpcclient.Client) {
LastBlockAppHash: nil,
})
key, _, _ := crypto.GenerateEd25519Key(rand.Reader)
signingKey, _, _ := crypto.GenerateEd25519Key(rand.Reader)
n, err := node.NewNode(context.Background(), config.NodeConfig{Aggregator: true, DALayer: "mock", BlockManagerConfig: config.BlockManagerConfig{BlockTime: 1 * time.Second}, Light: false}, key, signingKey, abciclient.NewLocalClient(nil, app), &types.GenesisDoc{ChainID: "test"}, log.TestingLogger())
validatorKey := ed25519.GenPrivKey()
nodeKey := &p2p.NodeKey{
PrivKey: validatorKey,
}
signingKey, _ := conv.GetNodeKey(nodeKey)
pubKey := validatorKey.PubKey()

genesisValidators := []tmtypes.GenesisValidator{
{Address: pubKey.Address(), PubKey: pubKey, Power: int64(100), Name: "gen #1"},
}
n, err := node.NewNode(context.Background(), config.NodeConfig{Aggregator: true, DALayer: "mock", BlockManagerConfig: config.BlockManagerConfig{BlockTime: 1 * time.Second}, Light: false}, key, signingKey, abciclient.NewLocalClient(nil, app), &tmtypes.GenesisDoc{ChainID: "test", Validators: genesisValidators}, log.TestingLogger())
require.NoError(err)
require.NotNil(n)

Expand Down
25 changes: 12 additions & 13 deletions types/validation.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -61,21 +61,20 @@ func (h *SignedHeader) ValidateBasic() error {
return err
}

// Make sure there are as many signatures as validators
if len(h.Commit.Signatures) != len(h.Validators.Validators) {
return errors.New("number of signatures and keys don't match")
// Make sure there is exactly one signature
if len(h.Commit.Signatures) != 1 {
return errors.New("expected exactly one signature")
}

for i, val := range h.Validators.Validators {
sig := h.Commit.Signatures[i]
var pubKey ed25519.PubKey = val.PubKey.Bytes()
msg, err := h.Header.MarshalBinary()
if err != nil {
return errors.New("signature verification failed, unable to marshal header")
}
if !pubKey.VerifySignature(msg, sig) {
return errors.New("signature verification failed")
}
signature := h.Commit.Signatures[0]
proposer := h.Validators.GetProposer()
var pubKey ed25519.PubKey = proposer.PubKey.Bytes()
msg, err := h.Header.MarshalBinary()
if err != nil {
return errors.New("signature verification failed, unable to marshal header")
}
if !pubKey.VerifySignature(msg, signature) {
return errors.New("signature verification failed")
}

return nil
Expand Down

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