cerc-io/lotus
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compute signatures over msg cids instead of raw bytes

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This commit is contained in:
whyrusleeping 2019-10-09 10:32:08 +09:00
parent 49e8b5d334
commit 68c1170250
4 changed files with 7 additions and 19 deletions
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7
chain/gen/gen.go
View File

@ -336,12 +336,7 @@ func (cg *ChainGen) getRandomMessages() ([]*types.SignedMessage, error) {
GasPrice: types.NewInt(0),
}
unsigned, err := msg.Serialize()
if err != nil {
return nil, err
}
sig, err := cg.w.Sign(context.TODO(), cg.banker, unsigned)
sig, err := cg.w.Sign(context.TODO(), cg.banker, msg.Cid().Bytes())
if err != nil {
return nil, err
}

10
chain/messagepool.go
View File

@ -1,7 +1,6 @@
package chain
import (
"encoding/base64"
"sync"
pubsub "github.com/libp2p/go-libp2p-pubsub"
@ -82,14 +81,9 @@ func (mp *MessagePool) Add(m *types.SignedMessage) error {
}
func (mp *MessagePool) addLocked(m *types.SignedMessage) error {
data, err := m.Message.Serialize()
if err != nil {
return err
}
log.Debugf("mpooladd: %s %s", m.Message.From, m.Message.Nonce)
log.Debugf("mpooladd: %d %s", m.Message.Nonce, base64.StdEncoding.EncodeToString(data))
if err := m.Signature.Verify(m.Message.From, data); err != nil {
if err := m.Signature.Verify(m.Message.From, m.Message.Cid().Bytes()); err != nil {
log.Warnf("mpooladd signature verification failed: %s", err)
return err
}

2
chain/types/signature_cgo.go
View File

@ -30,6 +30,7 @@ func (s *Signature) Verify(addr address.Address, msg []byte) error {
}
if addr != maybeaddr {
panic("stop here")
return fmt.Errorf("signature did not match")
}
@ -45,6 +46,7 @@ func (s *Signature) Verify(addr address.Address, msg []byte) error {
copy(sig[:], s.Data)
if !bls.Verify(sig, digests, pubkeys) {
panic("stop here")
return fmt.Errorf("bls signature failed to verify")
}

7
node/impl/full/wallet.go
View File

@ -40,12 +40,9 @@ func (a *WalletAPI) WalletSign(ctx context.Context, k address.Address, msg []byt
}
func (a *WalletAPI) WalletSignMessage(ctx context.Context, k address.Address, msg *types.Message) (*types.SignedMessage, error) {
msgbytes, err := msg.Serialize()
if err != nil {
return nil, err
}
mcid := msg.Cid()
sig, err := a.WalletSign(ctx, k, msgbytes)
sig, err := a.WalletSign(ctx, k, mcid.Bytes())
if err != nil {
return nil, xerrors.Errorf("failed to sign message: %w", err)
}