feat: Introduce sig block height for the new replay protection (#265)

* feat: sign block height-work1

* feat: implement sig block height; work-1

* feat: implement sig block height; work-2

* fix: make send command to require sequence flag when it is on offline mode

* fix: unknown account may send tx

* fix: lint error

* fix: modify comment

* fix: self review

* docs: update changelog

* fix: apply comment

CHANGELOG.md

@@ -31,7 +31,23 @@
 * (build) [\#195](https://github.com/line/lfb-sdk/pull/195) Build properly when using libsecp256k1
 * (perf) [\#198](https://github.com/line/lfb-sdk/pull/198) Caching paramset
 * (global) [\#200](https://github.com/line/lfb-sdk/pull/200) Add a env prefix
-* (store) [\#202](https://github.com/line/lfb-sdk/pull/202) param store doesn't use gas kv
+* (store) [\#202](https://github.com/line/lfb-sdk/pull/202) Param store doesn't use gas kv
+* (store) [\#203](https://github.com/line/lfb-sdk/pull/203) Remove transient store that is not used now
+* (perf) [\#204](https://github.com/line/lfb-sdk/pull/204) Apply rw mutex to cachekv
+* (perf) [\#208](https://github.com/line/lfb-sdk/pull/208) Use easyjson instead of amino when marshal abci logs 
+* (perf) [\#209](https://github.com/line/lfb-sdk/pull/209) Apply async reactor ostracon
+* (proto) [\#212](https://github.com/line/lfb-sdk/pull/212) Reformat proto files and restore proto docs
+* (perf) [\#216](https://github.com/line/lfb-sdk/pull/216) Memoize bech32 encoding and decoding
+* (perf) [\#218](https://github.com/line/lfb-sdk/pull/218) Rootmulti store parallel commit
+* (perf) [\#219](https://github.com/line/lfb-sdk/pull/219) Fix bech32 cache to get bech32 from proper cache
+* (bump-up) [\#221](https://github.com/line/lfb-sdk/pull/221) Bump up iavl for parallel processing of batches
+* (perf) [\#224](https://github.com/line/lfb-sdk/pull/224) Updated log time to have milliseconds
+* (bump-up) [\#228](https://github.com/line/lfb-sdk/pull/228) Bump up ostracon to optimize checking the txs size
+* (global) [\#230](https://github.com/line/lfb-sdk/pull/230) Modify module name to lfb-sdk
+* (bump-up) [\#246](https://github.com/line/lfb-sdk/pull/246) Bump up ostracon to not flush wal when receive consensus msgs
+* (wasm) [\#250](https://github.com/line/lfb-sdk/pull/250) Migrate linkwasmd to the latest commit
+* (wasm) [\#254](https://github.com/line/lfb-sdk/pull/254) Specify wasm event types
+* (x) [\#255](https://github.com/line/lfb-sdk/pull/255) Remove legacy from modules
 
 ### Bug Fixes
 * (test) [\#92](https://github.com/line/lfb-sdk/pull/92) Fix SendToModuleAccountTest
@@ -40,12 +56,27 @@
 * (config) [\#138](https://github.com/line/lfb-sdk/pull/138) Fix getting coin type at running cmd 
 * (race) [\#159](https://github.com/line/lfb-sdk/pull/159) Fix test-race failure
 * (test) [\#193](https://github.com/line/lfb-sdk/pull/193) Allow to add new validator in test network
-
+ 
 ### Breaking Changes
 * (global) [\#90](https://github.com/line/lfb-sdk/pull/90) Revise module path to `github.com/line/lfb-sdk`
 * (rpc) [\#97](https://github.com/line/lfb-sdk/pull/97) Send response with 404 status when quering non-exist account
 * (proto) [\#106](https://github.com/line/lfb-sdk/pull/106) Rename package of proto files
 * (api) [\#130](https://github.com/line/lfb-sdk/pull/130) Rename rest apis
+* (auth) [\#265](https://github.com/line/lfb-sdk/pull/265) Introduce sig block height for the new replay protection
+
+### Build, CI
+* (ci) [\#234](https://github.com/line/lfb-sdk/pull/234) Fix branch name in ci script
+* (docker) [\#264](https://github.com/line/lfb-sdk/pull/264) Remove docker publish
+
+### Document Updates
+* (docs) [\#205](https://github.com/line/lfb-sdk/pull/205) Renewal docs for open source
+* (docs) [\#207](https://github.com/line/lfb-sdk/pull/207) Fix license
+* (docs) [\#211](https://github.com/line/lfb-sdk/pull/211) Remove codeowners
+* (docs) [\#248](https://github.com/line/lfb-sdk/pull/248) Add PR procedure, apply main branch
+* (docs) [\#256](https://github.com/line/lfb-sdk/pull/256) Modify copyright and contributing
+* (docs) [\#259](https://github.com/line/lfb-sdk/pull/259) Modify copyright, verified from legal team
+* (docs) [\#260](https://github.com/line/lfb-sdk/pull/260) Remove gov, ibc and readme of wasm module
+* (docs) [\#262](https://github.com/line/lfb-sdk/pull/262) Fix link urls, remove invalid reference
 
 ## [cosmos-sdk v0.42.1] - 2021-03-15
 Initial lfb-sdk is based on the cosmos-sdk v0.42.1

baseapp/accountwgs_test.go

@@ -77,6 +77,10 @@ func (tx AccountLockTestTx) ValidateBasic() error {
 	return nil
 }
 
+func (tx AccountLockTestTx) GetSigBlockHeight() uint64 {
+	return 0
+}
+
 func newTestPrivKeys(num int) []*secp256k1.PrivKey {
 	privs := make([]*secp256k1.PrivKey, 0, num)
 	for i := 0; i < num; i++ {

baseapp/baseapp_test.go

@@ -696,8 +696,9 @@ func (tx *txTest) setFailOnHandler(fail bool) {
 }
 
 // Implements Tx
-func (tx txTest) GetMsgs() []sdk.Msg   { return tx.Msgs }
-func (tx txTest) ValidateBasic() error { return nil }
+func (tx txTest) GetMsgs() []sdk.Msg        { return tx.Msgs }
+func (tx txTest) ValidateBasic() error      { return nil }
+func (tx txTest) GetSigBlockHeight() uint64 { return 0 }
 
 const (
 	routeMsgCounter  = "msgCounter"

baseapp/msg_service_router_test.go

@@ -104,7 +104,6 @@ func TestMsgService(t *testing.T) {
 	// Second round: all signer infos are set, so each signer can sign.
 	signerData := authsigning.SignerData{
 		ChainID:       "test",
-		AccountNumber: 0,
 		Sequence:      0,
 	}
 	sigV2, err = tx.SignWithPrivKey(

client/account_retriever.go

@@ -9,7 +9,6 @@ import (
 type Account interface {
 	GetAddress() sdk.AccAddress
 	GetPubKey() cryptotypes.PubKey // can return nil.
-	GetAccountNumber() uint64
 	GetSequence() uint64
 }
 
@@ -18,7 +17,8 @@ type Account interface {
 // for signing.
 type AccountRetriever interface {
 	GetAccount(clientCtx Context, addr sdk.AccAddress) (Account, error)
+	GetLatestHeight(clientCtx Context) (uint64, error)
 	GetAccountWithHeight(clientCtx Context, addr sdk.AccAddress) (Account, int64, error)
 	EnsureExists(clientCtx Context, addr sdk.AccAddress) error
-	GetAccountNumberSequence(clientCtx Context, addr sdk.AccAddress) (accNum uint64, accSeq uint64, err error)
+	GetAccountSequence(clientCtx Context, addr sdk.AccAddress) (accSeq uint64, err error)
 }

client/flags/flags.go

@@ -48,7 +48,7 @@ const (
 	FlagGasAdjustment    = "gas-adjustment"
 	FlagFrom             = "from"
 	FlagName             = "name"
-	FlagAccountNumber    = "account-number"
+	FlagSigBlockHeight   = "sig-block-height"
 	FlagSequence         = "sequence"
 	FlagMemo             = "memo"
 	FlagFees             = "fees"
@@ -96,7 +96,7 @@ func AddQueryFlagsToCmd(cmd *cobra.Command) {
 func AddTxFlagsToCmd(cmd *cobra.Command) {
 	cmd.Flags().String(FlagKeyringDir, "", "The client Keyring directory; if omitted, the default 'home' directory will be used")
 	cmd.Flags().String(FlagFrom, "", "Name or address of private key with which to sign")
-	cmd.Flags().Uint64P(FlagAccountNumber, "a", 0, "The account number of the signing account (offline mode only)")
+	cmd.Flags().Uint64P(FlagSigBlockHeight, "n", 0, "The block height to be included in the tx body to protect from replaying")
 	cmd.Flags().Uint64P(FlagSequence, "s", 0, "The sequence number of the signing account (offline mode only)")
 	cmd.Flags().String(FlagMemo, "", "Memo to send along with transaction")
 	cmd.Flags().String(FlagFees, "", "Fees to pay along with transaction; eg: 10uatom")

client/test_helpers.go

@@ -15,7 +15,6 @@ var (
 // TestAccount represents a client Account that can be used in unit tests
 type TestAccount struct {
 	Address sdk.AccAddress
-	Num     uint64
 	Seq     uint64
 }
 
@@ -29,11 +28,6 @@ func (t TestAccount) GetPubKey() cryptotypes.PubKey {
 	return nil
 }
 
-// GetAccountNumber implements client Account.GetAccountNumber
-func (t TestAccount) GetAccountNumber() uint64 {
-	return t.Num
-}
-
 // GetSequence implements client Account.GetSequence
 func (t TestAccount) GetSequence() uint64 {
 	return t.Seq
@@ -54,6 +48,10 @@ func (t TestAccountRetriever) GetAccount(_ Context, addr sdk.AccAddress) (Accoun
 	return acc, nil
 }
 
+func (t TestAccountRetriever) GetLatestHeight(_ Context) (uint64, error) {
+	return 0, nil
+}
+
 // GetAccountWithHeight implements AccountRetriever.GetAccountWithHeight
 func (t TestAccountRetriever) GetAccountWithHeight(clientCtx Context, addr sdk.AccAddress) (Account, int64, error) {
 	acc, err := t.GetAccount(clientCtx, addr)
@@ -73,11 +71,11 @@ func (t TestAccountRetriever) EnsureExists(_ Context, addr sdk.AccAddress) error
 	return nil
 }
 
-// GetAccountNumberSequence implements AccountRetriever.GetAccountNumberSequence
-func (t TestAccountRetriever) GetAccountNumberSequence(_ Context, addr sdk.AccAddress) (accNum uint64, accSeq uint64, err error) {
+// GetAccountSequence implements AccountRetriever.GetAccountSequence
+func (t TestAccountRetriever) GetAccountSequence(_ Context, addr sdk.AccAddress) (accSeq uint64, err error) {
 	acc, ok := t.Accounts[addr.String()]
 	if !ok {
-		return 0, 0, fmt.Errorf("account %s not found", addr)
+		return 0, fmt.Errorf("account %s not found", addr)
 	}
-	return acc.Num, acc.Seq, nil
+	return acc.Seq, nil
 }

client/tx/factory.go

@@ -16,7 +16,7 @@ type Factory struct {
 	keybase            keyring.Keyring
 	txConfig           client.TxConfig
 	accountRetriever   client.AccountRetriever
-	accountNumber      uint64
+	sigBlockHeight     uint64
 	sequence           uint64
 	gas                uint64
 	timeoutHeight      uint64
@@ -41,7 +41,7 @@ func NewFactoryCLI(clientCtx client.Context, flagSet *pflag.FlagSet) Factory {
 		signMode = signing.SignMode_SIGN_MODE_LEGACY_AMINO_JSON
 	}
 
-	accNum, _ := flagSet.GetUint64(flags.FlagAccountNumber)
+	sigBlockHeight, _ := flagSet.GetUint64(flags.FlagSigBlockHeight)
 	accSeq, _ := flagSet.GetUint64(flags.FlagSequence)
 	gasAdj, _ := flagSet.GetFloat64(flags.FlagGasAdjustment)
 	memo, _ := flagSet.GetString(flags.FlagMemo)
@@ -57,7 +57,7 @@ func NewFactoryCLI(clientCtx client.Context, flagSet *pflag.FlagSet) Factory {
 		chainID:            clientCtx.ChainID,
 		gas:                gasSetting.Gas,
 		simulateAndExecute: gasSetting.Simulate,
-		accountNumber:      accNum,
+		sigBlockHeight:     sigBlockHeight,
 		sequence:           accSeq,
 		timeoutHeight:      timeoutHeight,
 		gasAdjustment:      gasAdj,
@@ -74,7 +74,7 @@ func NewFactoryCLI(clientCtx client.Context, flagSet *pflag.FlagSet) Factory {
 	return f
 }
 
-func (f Factory) AccountNumber() uint64                     { return f.accountNumber }
+func (f Factory) SigBlockHeight() uint64                    { return f.sigBlockHeight }
 func (f Factory) Sequence() uint64                          { return f.sequence }
 func (f Factory) Gas() uint64                               { return f.gas }
 func (f Factory) GasAdjustment() float64                    { return f.gasAdjustment }
@@ -154,9 +154,9 @@ func (f Factory) WithMemo(memo string) Factory {
 	return f
 }
 
-// WithAccountNumber returns a copy of the Factory with an updated account number.
-func (f Factory) WithAccountNumber(accnum uint64) Factory {
-	f.accountNumber = accnum
+// WithSigBlockHeight returns a copy of the Factory with an updated sig block height.
+func (f Factory) WithSigBlockHeight(sigBlockHeight uint64) Factory {
+	f.sigBlockHeight = sigBlockHeight
 	return f
 }
 

client/tx/legacy.go

@@ -61,6 +61,7 @@ func CopyTx(tx signing.Tx, builder client.TxBuilder, ignoreSignatureError bool)
 	builder.SetMemo(tx.GetMemo())
 	builder.SetFeeAmount(tx.GetFee())
 	builder.SetGasLimit(tx.GetGas())
+	builder.SetSigBlockHeight(tx.GetSigBlockHeight())
 	builder.SetTimeoutHeight(tx.GetTimeoutHeight())
 
 	return nil

client/tx/legacy_test.go

@@ -23,6 +23,7 @@ import (
 const (
 	memo          = "waboom"
 	gas           = uint64(10000)
+	sbh           = 1
 	timeoutHeight = 5
 )
 
@@ -44,6 +45,7 @@ func buildTestTx(t *testing.T, builder client.TxBuilder) {
 	builder.SetMemo(memo)
 	builder.SetGasLimit(gas)
 	builder.SetFeeAmount(fee)
+	builder.SetSigBlockHeight(sbh)
 	err := builder.SetMsgs(msg)
 	require.NoError(t, err)
 	err = builder.SetSignatures(sig)

client/tx/tx.go

@@ -155,7 +155,7 @@ func WriteGeneratedTxResponse(
 	}
 
 	txf := Factory{fees: br.Fees, gasPrices: br.GasPrices}.
-		WithAccountNumber(br.AccountNumber).
+		WithSigBlockHeight(br.SigBlockHeight).
 		WithSequence(br.Sequence).
 		WithGas(gasSetting.Gas).
 		WithGasAdjustment(gasAdj).
@@ -240,6 +240,7 @@ func BuildUnsignedTx(txf Factory, msgs ...sdk.Msg) (client.TxBuilder, error) {
 	tx.SetMemo(txf.memo)
 	tx.SetFeeAmount(fees)
 	tx.SetGasLimit(txf.gas)
+	tx.SetSigBlockHeight(txf.sigBlockHeight)
 	tx.SetTimeoutHeight(txf.TimeoutHeight())
 
 	return tx, nil
@@ -302,26 +303,32 @@ func CalculateGas(
 	return simRes, uint64(txf.GasAdjustment() * float64(simRes.GasInfo.GasUsed)), nil
 }
 
-// PrepareFactory ensures the account defined by ctx.GetFromAddress() exists and
-// if the account number and/or the account sequence number are zero (not set),
-// they will be queried for and set on the provided Factory. A new Factory with
-// the updated fields will be returned.
+// PrepareFactory set sig block height and account sequence to the tx factory.
+// It doesn't require that the account should exist.
+// If the account does not exist, then it use the zero sequence number.
 func PrepareFactory(clientCtx client.Context, txf Factory) (Factory, error) {
 	from := clientCtx.GetFromAddress()
-
-	if err := txf.accountRetriever.EnsureExists(clientCtx, from); err != nil {
-		return txf, err
+	sigBlockHeight := txf.sigBlockHeight
+
+	if !clientCtx.Offline {
+		if sigBlockHeight == 0 {
+			height, err := txf.accountRetriever.GetLatestHeight(clientCtx)
+			if err != nil {
+				return txf, err
+			}
+			sigBlockHeight = height
+		}
 	}
 
-	initNum, initSeq := txf.accountNumber, txf.sequence
-	if initNum == 0 || initSeq == 0 {
-		num, seq, err := txf.accountRetriever.GetAccountNumberSequence(clientCtx, from)
-		if err != nil {
-			return txf, err
-		}
+	txf = txf.WithSigBlockHeight(sigBlockHeight)
 
-		if initNum == 0 {
-			txf = txf.WithAccountNumber(num)
+	initSeq := txf.sequence
+	if initSeq == 0 && !clientCtx.Offline {
+		seq, err := txf.accountRetriever.GetAccountSequence(clientCtx, from)
+		if err != nil {
+			if sdkError, _ := err.(*sdkerrors.Error); sdkError != sdkerrors.ErrKeyNotFound {
+				return txf, err
+			}
 		}
 
 		if initSeq == 0 {
@@ -402,9 +409,8 @@ func Sign(txf Factory, name string, txBuilder client.TxBuilder, overwriteSig boo
 	}
 	pubKey := key.GetPubKey()
 	signerData := authsigning.SignerData{
-		ChainID:       txf.chainID,
-		AccountNumber: txf.accountNumber,
-		Sequence:      txf.sequence,
+		ChainID:  txf.chainID,
+		Sequence: txf.sequence,
 	}
 
 	// For SIGN_MODE_DIRECT, calling SetSignatures calls setSignerInfos on

client/tx/tx_test.go

@@ -90,7 +90,7 @@ func TestBuildSimTx(t *testing.T) {
 
 	txf := tx.Factory{}.
 		WithTxConfig(txCfg).
-		WithAccountNumber(50).
+		WithSigBlockHeight(1).
 		WithSequence(23).
 		WithFees("50stake").
 		WithMemo("memo").
@@ -106,7 +106,7 @@ func TestBuildSimTx(t *testing.T) {
 func TestBuildUnsignedTx(t *testing.T) {
 	txf := tx.Factory{}.
 		WithTxConfig(NewTestTxConfig()).
-		WithAccountNumber(50).
+		WithSigBlockHeight(1).
 		WithSequence(23).
 		WithFees("50stake").
 		WithMemo("memo").
@@ -148,7 +148,7 @@ func TestSign(t *testing.T) {
 
 	txfNoKeybase := tx.Factory{}.
 		WithTxConfig(NewTestTxConfig()).
-		WithAccountNumber(50).
+		WithSigBlockHeight(1).
 		WithSequence(23).
 		WithFees("50stake").
 		WithMemo("memo").

client/tx_config.go

@@ -39,6 +39,7 @@ type (
 		SetMsgs(msgs ...sdk.Msg) error
 		SetSignatures(signatures ...signingtypes.SignatureV2) error
 		SetMemo(memo string)
+		SetSigBlockHeight(sbh uint64)
 		SetFeeAmount(amount sdk.Coins)
 		SetGasLimit(limit uint64)
 		SetTimeoutHeight(height uint64)

codec/amino_codec_test.go

@@ -120,7 +120,7 @@ func TestAminoCodecUnpackAnyFails(t *testing.T) {
 
 func TestAminoCodecFullDecodeAndEncode(t *testing.T) {
 	// This tx comes from https://github.com/cosmos/cosmos-sdk/issues/8117.
-	txSigned := `{"type":"lfb-sdk/StdTx","value":{"msg":[{"type":"lfb-sdk/MsgCreateValidator","value":{"description":{"moniker":"fulltest","identity":"satoshi","website":"example.com","details":"example inc"},"commission":{"rate":"0.500000000000000000","max_rate":"1.000000000000000000","max_change_rate":"0.200000000000000000"},"min_self_delegation":"1000000","delegator_address":"link120yvjfy7m2gnu9mvusrs40cxxhpt8nr3qhn8re","validator_address":"linkvaloper120yvjfy7m2gnu9mvusrs40cxxhpt8nr3jr36d2","pubkey":{"type":"ostracon/PubKeyEd25519","value":"CYrOiM3HtS7uv1B1OAkknZnFYSRpQYSYII8AtMMtev0="},"value":{"denom":"umuon","amount":"700000000"}}}],"fee":{"amount":[{"denom":"umuon","amount":"6000"}],"gas":"160000"},"signatures":[{"pub_key":{"type":"ostracon/PubKeySecp256k1","value":"AwAOXeWgNf1FjMaayrSnrOOKz+Fivr6DiI/i0x0sZCHw"},"signature":"RcnfS/u2yl7uIShTrSUlDWvsXo2p2dYu6WJC8VDVHMBLEQZWc8bsINSCjOnlsIVkUNNe1q/WCA9n3Gy1+0zhYA=="}],"memo":"","timeout_height":"0"}}`
+	txSigned := `{"type":"lfb-sdk/StdTx","value":{"msg":[{"type":"lfb-sdk/MsgCreateValidator","value":{"description":{"moniker":"fulltest","identity":"satoshi","website":"example.com","details":"example inc"},"commission":{"rate":"0.500000000000000000","max_rate":"1.000000000000000000","max_change_rate":"0.200000000000000000"},"min_self_delegation":"1000000","delegator_address":"link120yvjfy7m2gnu9mvusrs40cxxhpt8nr3qhn8re","validator_address":"linkvaloper120yvjfy7m2gnu9mvusrs40cxxhpt8nr3jr36d2","pubkey":{"type":"ostracon/PubKeyEd25519","value":"CYrOiM3HtS7uv1B1OAkknZnFYSRpQYSYII8AtMMtev0="},"value":{"denom":"umuon","amount":"700000000"}}}],"fee":{"amount":[{"denom":"umuon","amount":"6000"}],"gas":"160000"},"signatures":[{"pub_key":{"type":"ostracon/PubKeySecp256k1","value":"AwAOXeWgNf1FjMaayrSnrOOKz+Fivr6DiI/i0x0sZCHw"},"signature":"RcnfS/u2yl7uIShTrSUlDWvsXo2p2dYu6WJC8VDVHMBLEQZWc8bsINSCjOnlsIVkUNNe1q/WCA9n3Gy1+0zhYA=="}],"sig_block_height":"0","memo":"","timeout_height":"0"}}`
 	_, legacyCdc := simapp.MakeCodecs()
 
 	var tx legacytx.StdTx

crypto/ledger/ledger_test.go

@@ -196,17 +196,16 @@ func TestPublicKeyHDPath(t *testing.T) {
 	}
 }
 
-func getFakeTx(accountNumber uint32) []byte {
+func getFakeTx() []byte {
 	tmp := fmt.Sprintf(
-		`{"account_number":"%d","chain_id":"1234","fee":{"amount":[{"amount":"150","denom":"atom"}],"gas":"5000"},"memo":"memo","msgs":[[""]],"sequence":"6"}`,
-		accountNumber)
+		`{"chain_id":"1234","fee":{"amount":[{"amount":"150","denom":"atom"}],"gas":"5000"},"memo":"memo","msgs":[[""]],"sequence":"6"}`)
 
 	return []byte(tmp)
 }
 
 func TestSignaturesHD(t *testing.T) {
 	for account := uint32(0); account < 100; account += 30 {
-		msg := getFakeTx(account)
+		msg := getFakeTx()
 
 		path := *hd.NewFundraiserParams(account, sdk.CoinType, account/5)
 		t.Logf("Checking signature at %v    ---   PLEASE REVIEW AND ACCEPT IN THE DEVICE\n", path)
@@ -224,7 +223,7 @@ func TestSignaturesHD(t *testing.T) {
 }
 
 func TestRealDeviceSecp256k1(t *testing.T) {
-	msg := getFakeTx(50)
+	msg := getFakeTx()
 	path := *hd.NewFundraiserParams(0, sdk.CoinType, 0)
 	priv, err := NewPrivKeySecp256k1Unsafe(path)
 	require.NoError(t, err)