Merge pull request #100 from nspcc-dev/neo3/address

Use NEO3 based address generation

chain/address.go

@@ -1,16 +1,9 @@
 package chain
 
 import (
-	"bytes"
 	"crypto/ecdsa"
-	"crypto/sha256"
-	"encoding/hex"
 
-	"github.com/mr-tron/base58"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
-	"github.com/nspcc-dev/neofs-api-go/internal"
-	crypto "github.com/nspcc-dev/neofs-crypto"
-	"github.com/pkg/errors"
-	"golang.org/x/crypto/ripemd160"
 )
 
 // WalletAddress implements NEO address.
@@ -18,168 +11,20 @@ type WalletAddress [AddressLength]byte
 
 const (
 	// AddressLength contains size of address,
-	// 0x17 byte (address version) + 20 bytes of ScriptHash + 4 bytes of checksum.
+	// 1 byte of address version + 20 bytes of ScriptHash + 4 bytes of checksum.
 	AddressLength = 25
-
-	// ScriptHashLength contains size of ScriptHash.
-	ScriptHashLength = 20
-
-	// ErrEmptyAddress is raised when empty Address is passed.
-	ErrEmptyAddress = internal.Error("empty address")
-
-	// ErrAddressLength is raised when passed address has wrong size.
-	ErrAddressLength = internal.Error("wrong address length")
 )
 
-func checksum(sign []byte) []byte {
+// KeyToAddress returns NEO address composed from public key.
-	hash := sha256.Sum256(sign)
+func KeyToAddress(key *ecdsa.PublicKey) string {
-	hash = sha256.Sum256(hash[:])
-	return hash[:4]
-}
-
-// FetchPublicKeys tries to parse public keys from verification script.
-func FetchPublicKeys(vs []byte) []*ecdsa.PublicKey {
-	var (
-		count  int
-		offset int
-		ln     = len(vs)
-		result []*ecdsa.PublicKey
-	)
-
-	switch {
-	case ln < 1: // wrong data size
-		return nil
-	case vs[ln-1] == 0xac: // last byte is CHECKSIG
-		count = 1
-	case vs[ln-1] == 0xae: // last byte is CHECKMULTISIG
-		// 2nd byte from the end indicates about PK's count
-		count = int(vs[ln-2] - 0x50)
-		// ignores CHECKMULTISIG
-		offset = 1
-	default: // unknown type
-		return nil
-	}
-
-	result = make([]*ecdsa.PublicKey, 0, count)
-	for i := 0; i < count; i++ {
-		// ignores PUSHBYTE33 and tries to parse
-		from, to := offset+1, offset+1+crypto.PublicKeyCompressedSize
-
-		// when passed VerificationScript has wrong size
-		if len(vs) < to {
-			return nil
-		}
-
-		key := crypto.UnmarshalPublicKey(vs[from:to])
-		// when wrong public key is passed
 	if key == nil {
-			return nil
-		}
-		result = append(result, key)
-
-		offset += 1 + crypto.PublicKeyCompressedSize
-	}
-	return result
-}
-
-// VerificationScript returns VerificationScript composed from public keys.
-func VerificationScript(pubs ...*ecdsa.PublicKey) []byte {
-	var (
-		pre    []byte
-		suf    []byte
-		body   []byte
-		offset int
-		lnPK   = len(pubs)
-		ln     = crypto.PublicKeyCompressedSize*lnPK + lnPK // 33 * count + count * 1 (PUSHBYTES33)
-	)
-
-	if len(pubs) > 1 {
-		pre = []byte{0x51}                    // one address
-		suf = []byte{byte(0x50 + lnPK), 0xae} // count of PK's + CHECKMULTISIG
-	} else {
-		suf = []byte{0xac} // CHECKSIG
-	}
-
-	ln += len(pre) + len(suf)
-
-	body = make([]byte, ln)
-	offset += copy(body, pre)
-
-	for i := range pubs {
-		body[offset] = 0x21
-		offset++
-		offset += copy(body[offset:], crypto.MarshalPublicKey(pubs[i]))
-	}
-
-	copy(body[offset:], suf)
-
-	return body
-}
-
-// KeysToAddress return NEO address composed from public keys.
-func KeysToAddress(pubs ...*ecdsa.PublicKey) string {
-	if len(pubs) == 0 {
 		return ""
 	}
-	return Address(VerificationScript(pubs...))
-}
 
-// Address returns NEO address based on passed VerificationScript.
+	neoPublicKey := keys.PublicKey{
-func Address(verificationScript []byte) string {
+		X: key.X,
-	sign := [AddressLength]byte{0x17}
+		Y: key.Y,
-	hash := sha256.Sum256(verificationScript)
-	ripe := ripemd160.New()
-	ripe.Write(hash[:])
-	copy(sign[1:], ripe.Sum(nil))
-	copy(sign[21:], checksum(sign[:21]))
-	return base58.Encode(sign[:])
-}
-
-// ReversedScriptHashToAddress parses script hash and returns valid NEO address.
-func ReversedScriptHashToAddress(sc string) (addr string, err error) {
-	var data []byte
-	if data, err = DecodeScriptHash(sc); err != nil {
-		return
-	}
-	sign := [AddressLength]byte{0x17}
-	copy(sign[1:], data)
-	copy(sign[1+ScriptHashLength:], checksum(sign[:1+ScriptHashLength]))
-	return base58.Encode(sign[:]), nil
-}
-
-// IsAddress checks that passed NEO Address is valid.
-func IsAddress(s string) error {
-	if s == "" {
-		return ErrEmptyAddress
-	} else if addr, err := base58.Decode(s); err != nil {
-		return errors.Wrap(err, "base58 decode")
-	} else if ln := len(addr); ln != AddressLength {
-		return errors.Wrapf(ErrAddressLength, "length %d != %d", AddressLength, ln)
-	} else if sum := checksum(addr[:21]); !bytes.Equal(addr[21:], sum) {
-		return errors.Errorf("wrong checksum %0x != %0x",
-			addr[21:], sum)
 	}
 
-	return nil
+	return neoPublicKey.Address()
-}
-
-// ReverseBytes returns reversed []byte of given.
-func ReverseBytes(data []byte) []byte {
-	for i, j := 0, len(data)-1; i < j; i, j = i+1, j-1 {
-		data[i], data[j] = data[j], data[i]
-	}
-	return data
-}
-
-// DecodeScriptHash parses script hash into slice of bytes.
-func DecodeScriptHash(s string) ([]byte, error) {
-	if s == "" {
-		return nil, ErrEmptyAddress
-	} else if addr, err := hex.DecodeString(s); err != nil {
-		return nil, errors.Wrap(err, "hex decode")
-	} else if ln := len(addr); ln != ScriptHashLength {
-		return nil, errors.Wrapf(ErrAddressLength, "length %d != %d", ScriptHashLength, ln)
-	} else {
-		return addr, nil
-	}
 }

chain/address_test.go

@@ -1,292 +1,41 @@
 package chain
 
 import (
-	"crypto/ecdsa"
 	"encoding/hex"
 	"testing"
 
 	crypto "github.com/nspcc-dev/neofs-crypto"
-	"github.com/nspcc-dev/neofs-crypto/test"
 	"github.com/stretchr/testify/require"
 )
 
-func TestAddress(t *testing.T) {
+type addressTestCase struct {
-	var (
-		multiSigVerificationScript = "512103c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c57172103fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df952ae"
-		multiSigAddress            = "ANbvKqa2SfgTUkq43NRUhCiyxPrpUPn7S3"
-
-		normalVerificationScript = "2102a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61ac"
-		normalAddress            = "AcraNnCuPKnUYtPYyrACRCVJhLpvskbfhu"
-	)
-
-	t.Run("check multi-sig address", func(t *testing.T) {
-		data, err := hex.DecodeString(multiSigVerificationScript)
-		require.NoError(t, err)
-		require.Equal(t, multiSigAddress, Address(data))
-	})
-
-	t.Run("check normal address", func(t *testing.T) {
-		data, err := hex.DecodeString(normalVerificationScript)
-		require.NoError(t, err)
-		require.Equal(t, normalAddress, Address(data))
-	})
-}
-
-func TestVerificationScript(t *testing.T) {
-	t.Run("check normal", func(t *testing.T) {
-		pkString := "02a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61"
-
-		pkBytes, err := hex.DecodeString(pkString)
-		require.NoError(t, err)
-
-		pk := crypto.UnmarshalPublicKey(pkBytes)
-
-		expect, err := hex.DecodeString(
-			"21" + pkString + // PUSHBYTES33
-				"ac", // CHECKSIG
-		)
-
-		require.Equal(t, expect, VerificationScript(pk))
-	})
-
-	t.Run("check multisig", func(t *testing.T) {
-		pk1String := "03c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c5717"
-		pk2String := "03fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df9"
-
-		pk1Bytes, err := hex.DecodeString(pk1String)
-		require.NoError(t, err)
-
-		pk1 := crypto.UnmarshalPublicKey(pk1Bytes)
-
-		pk2Bytes, err := hex.DecodeString(pk2String)
-		require.NoError(t, err)
-
-		pk2 := crypto.UnmarshalPublicKey(pk2Bytes)
-
-		expect, err := hex.DecodeString(
-			"51" + // one address
-				"21" + pk1String + // PUSHBYTES33
-				"21" + pk2String + // PUSHBYTES33
-				"52" + // 2 PublicKeys
-				"ae", // CHECKMULTISIG
-		)
-
-		require.Equal(t, expect, VerificationScript(pk1, pk2))
-	})
-}
-
-func TestKeysToAddress(t *testing.T) {
-	t.Run("check normal", func(t *testing.T) {
-		pkString := "02a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61"
-
-		pkBytes, err := hex.DecodeString(pkString)
-		require.NoError(t, err)
-
-		pk := crypto.UnmarshalPublicKey(pkBytes)
-
-		expect := "AcraNnCuPKnUYtPYyrACRCVJhLpvskbfhu"
-
-		actual := KeysToAddress(pk)
-		require.Equal(t, expect, actual)
-		require.NoError(t, IsAddress(actual))
-	})
-
-	t.Run("check multisig", func(t *testing.T) {
-		pk1String := "03c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c5717"
-		pk2String := "03fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df9"
-
-		pk1Bytes, err := hex.DecodeString(pk1String)
-		require.NoError(t, err)
-
-		pk1 := crypto.UnmarshalPublicKey(pk1Bytes)
-
-		pk2Bytes, err := hex.DecodeString(pk2String)
-		require.NoError(t, err)
-
-		pk2 := crypto.UnmarshalPublicKey(pk2Bytes)
-
-		expect := "ANbvKqa2SfgTUkq43NRUhCiyxPrpUPn7S3"
-		actual := KeysToAddress(pk1, pk2)
-		require.Equal(t, expect, actual)
-		require.NoError(t, IsAddress(actual))
-	})
-}
-
-func TestFetchPublicKeys(t *testing.T) {
-	var (
-		multiSigVerificationScript = "512103c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c57172103fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df952ae"
-		normalVerificationScript   = "2102a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61ac"
-
-		pk1String = "03c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c5717"
-		pk2String = "03fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df9"
-		pk3String = "02a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61"
-	)
-
-	t.Run("shouls not fail", func(t *testing.T) {
-		wrongVS, err := hex.DecodeString(multiSigVerificationScript)
-		require.NoError(t, err)
-
-		wrongVS[len(wrongVS)-1] = 0x1
-
-		wrongPK, err := hex.DecodeString(multiSigVerificationScript)
-		require.NoError(t, err)
-		wrongPK[2] = 0x1
-
-		var testCases = []struct {
 	name      string
-			value []byte
+	publicKey string
-		}{
+	wallet    string
-			{name: "empty VerificationScript"},
-			{
-				name:  "wrong size VerificationScript",
-				value: []byte{0x1},
-			},
-			{
-				name:  "wrong VerificationScript type",
-				value: wrongVS,
-			},
-			{
-				name:  "wrong public key in VerificationScript",
-				value: wrongPK,
-			},
-		}
-
-		for i := range testCases {
-			tt := testCases[i]
-			t.Run(tt.name, func(t *testing.T) {
-				var keys []*ecdsa.PublicKey
-				require.NotPanics(t, func() {
-					keys = FetchPublicKeys(tt.value)
-				})
-				require.Nil(t, keys)
-			})
-		}
-	})
-
-	t.Run("check multi-sig address", func(t *testing.T) {
-		data, err := hex.DecodeString(multiSigVerificationScript)
-		require.NoError(t, err)
-
-		pk1Bytes, err := hex.DecodeString(pk1String)
-		require.NoError(t, err)
-
-		pk2Bytes, err := hex.DecodeString(pk2String)
-		require.NoError(t, err)
-
-		pk1 := crypto.UnmarshalPublicKey(pk1Bytes)
-		pk2 := crypto.UnmarshalPublicKey(pk2Bytes)
-
-		keys := FetchPublicKeys(data)
-		require.Len(t, keys, 2)
-		require.Equal(t, keys[0], pk1)
-		require.Equal(t, keys[1], pk2)
-	})
-
-	t.Run("check normal address", func(t *testing.T) {
-		data, err := hex.DecodeString(normalVerificationScript)
-		require.NoError(t, err)
-
-		pkBytes, err := hex.DecodeString(pk3String)
-		require.NoError(t, err)
-
-		pk := crypto.UnmarshalPublicKey(pkBytes)
-
-		keys := FetchPublicKeys(data)
-		require.Len(t, keys, 1)
-		require.Equal(t, keys[0], pk)
-	})
-
-	t.Run("generate 10 keys VerificationScript and try parse it", func(t *testing.T) {
-		var (
-			count  = 10
-			expect = make([]*ecdsa.PublicKey, 0, count)
-		)
-
-		for i := 0; i < count; i++ {
-			key := test.DecodeKey(i)
-			expect = append(expect, &key.PublicKey)
-		}
-
-		vs := VerificationScript(expect...)
-
-		actual := FetchPublicKeys(vs)
-		require.Equal(t, expect, actual)
-	})
 }
 
-func TestReversedScriptHashToAddress(t *testing.T) {
+func TestKeyToAddress(t *testing.T) {
-	var testCases = []struct {
+	tests := []addressTestCase{
-		name   string
-		value  string
-		expect string
-	}{
 		{
-			name:   "first",
+			"nil key",
-			expect: "APfiG5imQgn8dzTTfaDfqHnxo3QDUkF69A",
+			"",
-			value:  "5696acd07f0927fd5f01946828638c9e2c90c5dc",
+			"",
 		},
-
 		{
-			name:   "second",
+			"correct key",
-			expect: "AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y",
+			"031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a",
-			value:  "23ba2703c53263e8d6e522dc32203339dcd8eee9",
+			"NgzuJWWGVEwFGsRrgzj8knswEYRJrTe7sm",
 		},
 	}
 
-	for i := range testCases {
+	for i := range tests {
-		tt := testCases[i]
+		t.Run(tests[i].name, func(t *testing.T) {
-		t.Run(tt.name, func(t *testing.T) {
+			data, err := hex.DecodeString(tests[i].publicKey)
-			actual, err := ReversedScriptHashToAddress(tt.value)
 			require.NoError(t, err)
-			require.Equal(t, tt.expect, actual)
+
-			require.NoError(t, IsAddress(actual))
+			key := crypto.UnmarshalPublicKey(data)
-		})
+
-	}
+			require.Equal(t, tests[i].wallet, KeyToAddress(key))
-}
-
-func TestReverseBytes(t *testing.T) {
-	var testCases = []struct {
-		name   string
-		value  []byte
-		expect []byte
-	}{
-		{name: "empty"},
-		{
-			name:   "single byte",
-			expect: []byte{0x1},
-			value:  []byte{0x1},
-		},
-
-		{
-			name:   "two bytes",
-			expect: []byte{0x2, 0x1},
-			value:  []byte{0x1, 0x2},
-		},
-
-		{
-			name:   "three bytes",
-			expect: []byte{0x3, 0x2, 0x1},
-			value:  []byte{0x1, 0x2, 0x3},
-		},
-
-		{
-			name:   "five bytes",
-			expect: []byte{0x5, 0x4, 0x3, 0x2, 0x1},
-			value:  []byte{0x1, 0x2, 0x3, 0x4, 0x5},
-		},
-
-		{
-			name:   "eight bytes",
-			expect: []byte{0x8, 0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1},
-			value:  []byte{0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8},
-		},
-	}
-
-	for i := range testCases {
-		tt := testCases[i]
-		t.Run(tt.name, func(t *testing.T) {
-			actual := ReverseBytes(tt.value)
-			require.Equal(t, tt.expect, actual)
 		})
 	}
 }

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/golang/protobuf v1.4.2
 	github.com/google/uuid v1.1.1
 	github.com/mr-tron/base58 v1.1.3
+	github.com/nspcc-dev/neo-go v0.90.0
 	github.com/nspcc-dev/neofs-crypto v0.3.0
 	github.com/nspcc-dev/netmap v1.7.0
 	github.com/nspcc-dev/tzhash v1.4.0

go.sum

@@ -14,14 +14,23 @@ dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/CityOfZion/neo-go v0.62.1-pre.0.20191114145240-e740fbe708f8/go.mod h1:MJCkWUBhi9pn/CrYO1Q3P687y2KeahrOPS9BD9LDGb0=
+github.com/CityOfZion/neo-go v0.70.1-pre.0.20191209120015-fccb0085941e/go.mod h1:0enZl0az8xA6PVkwzEOwPWVJGqlt/GO4hA4kmQ5Xzig=
+github.com/CityOfZion/neo-go v0.70.1-pre.0.20191212173117-32ac01130d4c/go.mod h1:JtlHfeqLywZLswKIKFnAp+yzezY4Dji9qlfQKB2OD/I=
+github.com/CityOfZion/neo-go v0.71.1-pre.0.20200129171427-f773ec69fb84/go.mod h1:FLI526IrRWHmcsO+mHsCbj64pJZhwQFTLJZu+A4PGOA=
+github.com/DataDog/zstd v1.4.1/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/Workiva/go-datastructures v1.0.50/go.mod h1:Z+F2Rca0qCsVYDS8z7bAGm8f3UkzuWYS/oBZz5a7VVA=
 github.com/abiosoft/ishell v2.0.0+incompatible/go.mod h1:HQR9AqF2R3P4XXpMpI0NAzgHf/aS6+zVXRj14cVk9qg=
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db/go.mod h1:rB3B4rKii8V21ydCbIzH5hZiCQE7f5E9SzUb/ZZx530=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alicebob/gopher-json v0.0.0-20180125190556-5a6b3ba71ee6/go.mod h1:SGnFV6hVsYE877CKEZ6tDNTjaSXYUk6QqoIK6PrAtcc=
+github.com/alicebob/miniredis v2.5.0+incompatible/go.mod h1:8HZjEj4yU0dwhYHky+DxYx+6BMjkBbe5ONFIF1MXffk=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
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@@ -35,28 +44,40 @@ github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJm
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@@ -65,7 +86,9 @@ github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2
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@@ -91,6 +114,9 @@ github.com/golang/protobuf v1.4.0 h1:oOuy+ugB+P/kBdUnG5QaMXSIyJ1q38wWSojYCb3z5VQ
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@@ -134,8 +160,11 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
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@@ -148,19 +177,27 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxv
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 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -201,6 +254,7 @@ github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndr
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
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@@ -212,16 +266,19 @@ github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6T
 github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
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+github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
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 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
@@ -238,10 +295,12 @@ github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
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 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -254,9 +313,17 @@ github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
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 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
+go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
+go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
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@@ -264,9 +331,11 @@ go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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@@ -289,6 +358,7 @@ golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKG
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
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 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -317,11 +387,15 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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@@ -330,8 +404,14 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -342,6 +422,7 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180318012157-96caea41033d/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -408,9 +489,11 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=

object/types_test.go

@@ -18,7 +18,7 @@ Object:
 	SystemHeader:
 		- ID=7e0b9c6c-aabc-4985-949e-2680e577b48b
 		- CID=11111111111111111111111111111111
-		- OwnerID=ALYeYC41emF6MrmUMc4a8obEPdgFhq9ran
+		- OwnerID=NQHKh7fKGieCPrPuiEkY58ucRFwWMyU1Mc
 		- Version=1
 		- PayloadLength=1
 		- CreatedAt={UnixTime=1 Epoch=1}
@@ -34,7 +34,7 @@ Object:
 		- Type=Tombstone
 		  Value=MARKED
 		- Type=Token
-		  Value={ID=7e0b9c6c-aabc-4985-949e-2680e577b48b OwnerID=ALYeYC41emF6MrmUMc4a8obEPdgFhq9ran Verb=Search Address=11111111111111111111111111111111/7e0b9c6c-aabc-4985-949e-2680e577b48b Created=1 ValidUntil=2 SessionKey=010203040506 Signature=010203040506}
+		  Value={ID=7e0b9c6c-aabc-4985-949e-2680e577b48b OwnerID=NQHKh7fKGieCPrPuiEkY58ucRFwWMyU1Mc Verb=Search Address=11111111111111111111111111111111/7e0b9c6c-aabc-4985-949e-2680e577b48b Created=1 ValidUntil=2 SessionKey=010203040506 Signature=010203040506}
 		- Type=HomoHash
 		  Value=1111111111111111111111111111111111111111111111111111111111111111
 		- Type=PayloadChecksum

refs/owner.go

@@ -10,18 +10,22 @@ import (
 	"github.com/pkg/errors"
 )
 
-// NewOwnerID returns generated OwnerID from passed public keys.
+// NewOwnerID returns generated OwnerID from passed public key.
-func NewOwnerID(keys ...*ecdsa.PublicKey) (owner OwnerID, err error) {
+func NewOwnerID(key *ecdsa.PublicKey) (owner OwnerID, err error) {
-	if len(keys) == 0 {
+	if key == nil {
 		return
 	}
+
 	var d []byte
-	d, err = base58.Decode(chain.KeysToAddress(keys...))
+
+	d, err = base58.Decode(chain.KeyToAddress(key))
 	if err != nil {
 		return
 	}
+
 	copy(owner[:], d)
-	return owner, nil
+
+	return
 }
 
 // Size returns OwnerID size in bytes (OwnerIDSize).

refs/types_test.go

@@ -79,7 +79,7 @@ func TestOwnerID(t *testing.T) {
 	t.Run("check that marshal/unmarshal works like expected", func(t *testing.T) {
 		var u1, u2 OwnerID
 
-		owner, err := NewOwnerID()
+		owner, err := NewOwnerID(nil)
 		require.NoError(t, err)
 		require.True(t, owner.Empty())