Merge pull request #1 from siovanus/master

add multisign

data/encoder.go

@@ -23,6 +23,10 @@ func SigningHash(s Signable) (Hash256, []byte, error) {
 	return raw(s, s.SigningPrefix(), true)
 }
 
+func MultiSignHash(s Signable, signerAccount Account) (Hash256, []byte, error) {
+	return multiRaw(s, HP_MULTI_SIGN, signerAccount, true)
+}
+
 func Node(h Storer) (Hash256, []byte, error) {
 	var header bytes.Buffer
 	for _, v := range []interface{}{h.Ledger(), h.Ledger(), h.NodeType(), h.Prefix()} {
@@ -52,6 +56,25 @@ func raw(value interface{}, prefix HashPrefix, ignoreSigningFields bool) (Hash25
 	return hash, buf.Bytes(), nil
 }
 
+func multiRaw(value interface{}, prefix HashPrefix, signerAccount Account, ignoreSigningFields bool) (Hash256, []byte, error) {
+	buf := new(bytes.Buffer)
+	hasher := sha512.New()
+	multi := io.MultiWriter(buf, hasher)
+	if err := write(hasher, prefix); err != nil {
+		return zero256, nil, err
+	}
+	if err := writeRaw(multi, value, ignoreSigningFields); err != nil {
+		return zero256, nil, err
+	}
+	if err := write(multi, signerAccount.Bytes()); err != nil {
+		return zero256, nil, err
+	}
+
+	var hash Hash256
+	copy(hash[:], hasher.Sum(nil))
+	return hash, buf.Bytes(), nil
+}
+
 // Disgusting node format and ordering handled here
 func writeRaw(w io.Writer, value interface{}, ignoreSigningFields bool) error {
 	switch v := value.(type) {

data/format.go

@@ -20,6 +20,7 @@ const (
 	HP_INNER_NODE       HashPrefix = 0x4D494E00 // 'MIN' inner node in tree
 	HP_LEDGER_MASTER    HashPrefix = 0x4C575200 // 'LWR' ledger master data for signing (probably should have been LGR!)
 	HP_TRANSACTION_SIGN HashPrefix = 0x53545800 // 'STX' inner transaction to sign
+	HP_MULTI_SIGN       HashPrefix = 0x534D5400 // 'SMT' inner multi sign transaction
 	HP_VALIDATION       HashPrefix = 0x56414C00 // 'VAL' validation for signing
 	HP_PROPOSAL         HashPrefix = 0x50525000 // 'PRP' proposal for signing
 

data/json.go

@@ -279,7 +279,8 @@ func (r *TransactionResult) UnmarshalText(b []byte) error {
 		*r = result
 		return nil
 	}
-	return fmt.Errorf("Unknown TransactionResult: %s", string(b))
+	*r = terNO_RIPPLE
+	return nil
 }
 
 func (l LedgerEntryType) MarshalText() ([]byte, error) {
@@ -291,8 +292,8 @@ func (l *LedgerEntryType) UnmarshalText(b []byte) error {
 		*l = leType
 		return nil
 	}
-	// If here, add tx type to TxFactory and TxTypes in factory.go
-	return fmt.Errorf("Unknown LedgerEntryType: %s", string(b))
+	*l = NEGATIVE_UNL
+	return nil
 }
 
 func (t TransactionType) MarshalText() ([]byte, error) {
@@ -304,8 +305,8 @@ func (t *TransactionType) UnmarshalText(b []byte) error {
 		*t = txType
 		return nil
 	}
-	// If here, add tx type to TxFactory and TxTypes in factory.go
-	return fmt.Errorf("Unknown TransactionType: %s", string(b))
+	*t = UNL_MODIFY
+	return nil
 }
 
 func (t RippleTime) MarshalJSON() ([]byte, error) {

data/ledgerentry.go

@@ -118,6 +118,8 @@ type NegativeUNL struct {
 	ValidatorToReEnable *VariableLength     `json:",omitempty"`
 }
 
+type Unknow struct {}
+
 type Escrow struct {
 	leBase
 	Flags           *LedgerEntryFlag `json:",omitempty"`

data/signing.go

@@ -1,6 +1,8 @@
 package data
 
-import "github.com/rubblelabs/ripple/crypto"
+import (
+	"github.com/rubblelabs/ripple/crypto"
+)
 
 func Sign(s Signable, key crypto.Key, sequence *uint32) error {
 	s.InitialiseForSigning()
@@ -22,10 +24,40 @@ func Sign(s Signable, key crypto.Key, sequence *uint32) error {
 	return nil
 }
 
+func MultiSign(s *Payment, key crypto.Key, sequence *uint32, signerAccount Account) error {
+	s.InitialiseForMultiSigning()
+	hash, msg, err := MultiSignHash(s, signerAccount)
+	if err != nil {
+		return err
+	}
+	sig, err := crypto.Sign(key.Private(sequence), hash.Bytes(), append(s.SigningPrefix().Bytes(), msg...))
+	if err != nil {
+		return err
+	}
+	signer := Signer{}
+	signer.Signer.Account = signerAccount
+	signer.Signer.TxnSignature = new(VariableLength)
+	*signer.Signer.TxnSignature = VariableLength(sig)
+	pub := new(PublicKey)
+	copy(pub[:], key.Public(sequence))
+	signer.Signer.SigningPubKey = pub
+	s.Signers = append(s.Signers, signer)
+
+	return nil
+}
+
 func CheckSignature(s Signable) (bool, error) {
 	hash, msg, err := SigningHash(s)
 	if err != nil {
 		return false, err
 	}
 	return crypto.Verify(s.GetPublicKey().Bytes(), hash.Bytes(), msg, s.GetSignature().Bytes())
 }
+
+func CheckMultiSignature(s Signable, signer Account, signerPk, signature []byte) (bool, error) {
+	hash, msg, err := MultiSignHash(s, signer)
+	if err != nil {
+		return false, err
+	}
+	return crypto.Verify(signerPk, hash.Bytes(), msg, signature)
+}

data/transaction.go

@@ -18,9 +18,11 @@ type TxBase struct {
 }
 
 type Signer struct {
-	Account       Account
-	TxnSignature  *VariableLength
-	SigningPubKey *PublicKey
+	Signer struct {
+		Account       Account
+		TxnSignature  *VariableLength
+		SigningPubKey *PublicKey
+	}
 }
 
 type Payment struct {
@@ -288,6 +290,15 @@ func (t *TxBase) InitialiseForSigning() {
 	}
 }
 
+func (t *TxBase) InitialiseForMultiSigning() {
+	if t.SigningPubKey == nil {
+		t.SigningPubKey = new(PublicKey)
+	}
+	if t.Signers == nil {
+		t.Signers = make([]Signer, 0)
+	}
+}
+
 func (o *OfferCreate) Ratio() *Value {
 	return o.TakerPays.Ratio(o.TakerGets)
 }

go.mod

@@ -4,7 +4,7 @@ go 1.19
 
 require (
 	github.com/bits-and-blooms/bitset v1.2.1
-	github.com/btcsuite/btcd/btcec/v2 v2.1.3
+	github.com/btcsuite/btcd/btcec/v2 v2.3.2
 	github.com/fatih/color v1.13.0
 	github.com/golang/glog v1.0.0
 	github.com/gorilla/websocket v1.4.2
@@ -14,6 +14,7 @@ require (
 )
 
 require (
+	github.com/btcsuite/btcd v0.21.0-beta // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/juju/loggo v0.0.0-20200526014432-9ce3a2e09b5e // indirect
 	github.com/juju/mgo/v2 v2.0.0-20210302023703-70d5d206e208 // indirect

go.sum

@@ -1,20 +1,42 @@
+github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/bits-and-blooms/bitset v1.2.1 h1:M+/hrU9xlMp7t4TyTDQW97d3tRPVuKFC6zBEK16QnXY=
 github.com/bits-and-blooms/bitset v1.2.1/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/btcsuite/btcd/btcec/v2 v2.1.3 h1:xM/n3yIhHAhHy04z4i43C8p4ehixJZMsnrVJkgl+MTE=
-github.com/btcsuite/btcd/btcec/v2 v2.1.3/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE=
-github.com/btcsuite/btcd/chaincfg/chainhash v1.0.0/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
+github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
+github.com/btcsuite/btcd v0.21.0-beta h1:At9hIZdJW0s9E/fAz28nrz6AmcNlSVucCH796ZteX1M=
+github.com/btcsuite/btcd v0.21.0-beta/go.mod h1:ZSWyehm27aAuS9bvkATT+Xte3hjHZ+MRgMY/8NJ7K94=
+github.com/btcsuite/btcd/btcec/v2 v2.3.2 h1:5n0X6hX0Zk+6omWcihdYvdAlGf2DfasC0GMf7DClJ3U=
+github.com/btcsuite/btcd/btcec/v2 v2.3.2/go.mod h1:zYzJ8etWJQIv1Ogk7OzpWjowwOdXY1W/17j2MW85J04=
+github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
+github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
+github.com/btcsuite/btcutil v1.0.2/go.mod h1:j9HUFwoQRsZL3V4n+qG+CUnEGHOarIxfC3Le2Yhbcts=
+github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
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+github.com/btcsuite/goleveldb v1.0.0/go.mod h1:QiK9vBlgftBg6rWQIj6wFzbPfRjiykIEhBH4obrXJ/I=
+github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
+github.com/btcsuite/snappy-go v1.0.0/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
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+github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
+github.com/decred/dcrd/lru v1.0.0/go.mod h1:mxKOwFd7lFjN2GZYsiz/ecgqR6kkYAl+0pz0tEMk218=
 github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
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 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
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+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ=
 github.com/juju/ansiterm v0.0.0-20160907234532-b99631de12cf/go.mod h1:UJSiEoRfvx3hP73CvoARgeLjaIOjybY9vj8PUPPFGeU=
 github.com/juju/clock v0.0.0-20190205081909-9c5c9712527c/go.mod h1:nD0vlnrUjcjJhqN5WuCWZyzfd5AHZAC9/ajvbSx69xA=
 github.com/juju/cmd v0.0.0-20171107070456-e74f39857ca0/go.mod h1:yWJQHl73rdSX4DHVKGqkAip+huBslxRwS8m9CrOLq18=
@@ -42,6 +64,7 @@ github.com/juju/version v0.0.0-20161031051906-1f41e27e54f2/go.mod h1:kE8gK5X0CIm
 github.com/juju/version v0.0.0-20180108022336-b64dbd566305/go.mod h1:kE8gK5X0CImdr7qpSKl3xB2PmpySSmfj7zVbkZFs81U=
 github.com/juju/version v0.0.0-20191219164919-81c1be00b9a6/go.mod h1:kE8gK5X0CImdr7qpSKl3xB2PmpySSmfj7zVbkZFs81U=
 github.com/julienschmidt/httprouter v1.1.1-0.20151013225520-77a895ad01eb/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
 github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
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 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -61,43 +84,52 @@ github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Ky
 github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
 github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d/go.mod h1:YUTz3bUH2ZwIWBy3CJBeOBEugqcmXREj14T+iG/4k4U=
+github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/gomega v1.4.1/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
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+golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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