LBRYCommunity/lbryschema.go
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add testnet and regtest address validation

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This commit is contained in:
Jack Robison 2017-11-20 13:44:19 -05:00
parent 37a8c4cae1
commit 4cff2dd233
No known key found for this signature in database
GPG key ID: 284699E7404E3CFF
11 changed files with 144 additions and 84 deletions
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9
address/address_test.go
View file

@ -2,12 +2,11 @@ package address
import "testing"
func TestDecodeAddress(t *testing.T) {
func TestDecodeAddressLBRYCrdMain(t *testing.T) {
addr := "bUc9gyCJPKu2CBYpTvJ98MdmsLb68utjP6"
correct := [25]byte{85, 174, 41, 64, 245, 110, 91, 239, 43, 208, 32, 73, 115, 20, 70, 204, 83, 199, 3,
206, 210, 176, 194, 188, 193}
result, err := DecodeAddress(addr)
result, err := DecodeAddress(addr, "lbrycrd_main")
if err != nil {
t.Error(err)
}
@ -16,11 +15,11 @@ func TestDecodeAddress(t *testing.T) {
}
}
func TestEncodeAddress(t *testing.T) {
func TestEncodeAddressLBRYCrdMain(t *testing.T) {
addr := [25]byte{85, 174, 41, 64, 245, 110, 91, 239, 43, 208, 32, 73, 115, 20, 70, 204, 83, 199, 3,
206, 210, 176, 194, 188, 193}
correct := "bUc9gyCJPKu2CBYpTvJ98MdmsLb68utjP6"
result, err := EncodeAddress(addr)
result, err := EncodeAddress(addr, "lbrycrd_main")
if err != nil {
t.Error(err)
}

6
address/decode.go
View file

@ -1,11 +1,11 @@
package address
import (
"errors"
"./base58"
"errors"
)
func DecodeAddress(address string) ([address_length]byte, error) {
func DecodeAddress(address string, blockchainName string) ([address_length]byte, error) {
decoded, err := base58.DecodeBase58(address, address_length)
if err != nil {
return [address_length]byte{}, errors.New("failed to decode")
@ -14,5 +14,5 @@ func DecodeAddress(address string) ([address_length]byte, error) {
for i, b := range decoded {
buf[i] = b
}
return ValidateAddress(buf)
return ValidateAddress(buf, blockchainName)
}

4
address/encode.go
View file

@ -4,8 +4,8 @@ import (
"./base58"
)
func EncodeAddress(address [address_length]byte) (string, error) {
buf, err := ValidateAddress(address)
func EncodeAddress(address [address_length]byte, blockchainName string) (string, error) {
buf, err := ValidateAddress(address, blockchainName)
if err != nil {
return "", err
}

40
address/validate.go
View file

@ -1,22 +1,37 @@
package address
import (
"errors"
"crypto/sha256"
"errors"
)
const pubkey_prefix = byte(85)
const script_prefix = byte(122)
const lbrycrd_main_pubkey_prefix = byte(85)
const lbrycrd_main_script_prefix = byte(122)
const lbrycrd_testnet_pubkey_prefix = byte(111)
const lbrycrd_testnet_script_prefix = byte(196)
const lbrycrd_regtest_pubkey_prefix = byte(111)
const lbrycrd_regtest_script_prefix = byte(196)
const prefix_length = 1
const pubkey_length = 20
const checksum_length = 4
const address_length = prefix_length + pubkey_length + checksum_length
var address_prefixes = [2]byte {pubkey_prefix, script_prefix}
const lbrycrd_main = "lbrycrd_main"
const lbrycrd_testnet = "lbrycrd_testnet"
const lbrycrd_regtest = "lbrycrd_regtest"
var address_prefixes = map[string][2]byte{}
func PrefixIsValid(address [address_length]byte) bool {
func SetPrefixes() {
address_prefixes[lbrycrd_main] = [2]byte{lbrycrd_main_pubkey_prefix, lbrycrd_main_script_prefix}
address_prefixes[lbrycrd_testnet] = [2]byte{lbrycrd_testnet_pubkey_prefix, lbrycrd_testnet_script_prefix}
address_prefixes[lbrycrd_regtest] = [2]byte{lbrycrd_regtest_pubkey_prefix, lbrycrd_regtest_script_prefix}
}
func PrefixIsValid(address [address_length]byte, blockchainName string) bool {
SetPrefixes()
prefix := address[0]
for _, addr_prefix := range address_prefixes {
for _, addr_prefix := range address_prefixes[blockchainName] {
if addr_prefix == prefix {
return true
}
@ -25,7 +40,7 @@ func PrefixIsValid(address [address_length]byte) bool {
}
func PubKeyIsValid(address [address_length]byte) bool {
pubkey := address[prefix_length:pubkey_length+prefix_length]
pubkey := address[prefix_length : pubkey_length+prefix_length]
// TODO: validate this for real
if len(pubkey) != pubkey_length {
return false
@ -35,7 +50,9 @@ func PubKeyIsValid(address [address_length]byte) bool {
func ChecksumIsValid(address [address_length]byte) bool {
checksum := [checksum_length]byte{}
for i := range checksum {checksum[i] = address[prefix_length+pubkey_length+i]}
for i := range checksum {
checksum[i] = address[prefix_length+pubkey_length+i]
}
real_checksum := sha256.Sum256(address[:prefix_length+pubkey_length])
real_checksum = sha256.Sum256(real_checksum[:])
for i, c := range checksum {
@ -46,8 +63,11 @@ func ChecksumIsValid(address [address_length]byte) bool {
return true
}
func ValidateAddress(address [address_length]byte) ([address_length]byte, error) {
if !PrefixIsValid(address) {
func ValidateAddress(address [address_length]byte, blockchainName string) ([address_length]byte, error) {
if blockchainName != lbrycrd_main && blockchainName != lbrycrd_testnet && blockchainName != lbrycrd_regtest {
return address, errors.New("invalid blockchain name")
}
if !PrefixIsValid(address, blockchainName) {
return address, errors.New("invalid prefix")
}
if !PubKeyIsValid(address) {

15
binding/lbryschema-python-binding.go
View file

@ -1,20 +1,21 @@
package main
import (
"C"
"../claim"
"C"
)
//export VerifySignature
func VerifySignature(claimHex string, certificateHex string, claimAddress string, certificateId string) bool {
decodedClaim, err := claim.DecodeClaimHex(claimHex)
func VerifySignature(claimHex string, certificateHex string, claimAddress string, certificateId string, blockchainName string) bool {
decodedClaim, err := claim.DecodeClaimHex(claimHex, blockchainName)
if err != nil {
return false
}
decodedCertificate, err := claim.DecodeClaimHex(certificateHex)
decodedCertificate, err := claim.DecodeClaimHex(certificateHex, blockchainName)
if err != nil {
return false
}
result, err := decodedClaim.ValidateClaimSignature(decodedCertificate, claimAddress, certificateId)
result, err := decodedClaim.ValidateClaimSignature(decodedCertificate, claimAddress, certificateId, blockchainName)
if err != nil {
return false
}
@ -25,8 +26,8 @@ func VerifySignature(claimHex string, certificateHex string, claimAddress string
}
//export DecodeClaimHex
func DecodeClaimHex(claimHex string) *C.char {
decodedClaim, err := claim.DecodeClaimHex(claimHex)
func DecodeClaimHex(claimHex string, blockchainName string) *C.char {
decodedClaim, err := claim.DecodeClaimHex(claimHex, blockchainName)
if err != nil {
return C.CString("decode error")
}

65
claim/claim.go
View file

@ -1,18 +1,41 @@
package claim
import (
"github.com/golang/protobuf/proto"
"encoding/hex"
"../address"
"../pb"
"encoding/hex"
"errors"
"github.com/golang/protobuf/proto"
)
type ClaimHelper struct {
*pb.Claim
}
func (claim *ClaimHelper) LoadFromBytes(raw_claim []byte) (error) {
if claim.String() != "" {
func (c *ClaimHelper) ValidateAddresses(blockchainName string) error {
// check the validity of a fee address
if c.GetClaimType() == pb.Claim_streamType {
fee := c.GetStream().GetMetadata().GetFee()
if fee.String() != "" {
tmp_addr := fee.GetAddress()
if len(tmp_addr) != 25 {
return errors.New("invalid address length")
}
addr := [25]byte{}
for i := range addr {
addr[i] = tmp_addr[i]
}
_, err := address.EncodeAddress(addr, blockchainName)
if err != nil {
return err
}
}
}
return nil
}
func (c *ClaimHelper) LoadFromBytes(raw_claim []byte, blockchainName string) error {
if c.String() != "" {
return errors.New("already initialized")
}
if len(raw_claim) < 1 {
@ -24,53 +47,53 @@ func (claim *ClaimHelper) LoadFromBytes(raw_claim []byte) (error) {
if err != nil {
return err
}
*claim = ClaimHelper{claim_pb}
*c = ClaimHelper{claim_pb}
c.ValidateAddresses(blockchainName)
return nil
}
func (claim *ClaimHelper) LoadFromHexString(claim_hex string) (error) {
func (c *ClaimHelper) LoadFromHexString(claim_hex string, blockchainName string) error {
buf, err := hex.DecodeString(claim_hex)
if err != nil {
return err
}
return claim.LoadFromBytes(buf)
return c.LoadFromBytes(buf, blockchainName)
}
func DecodeClaimBytes(serialized []byte) (*ClaimHelper, error) {
func DecodeClaimBytes(serialized []byte, blockchainName string) (*ClaimHelper, error) {
claim := &ClaimHelper{&pb.Claim{}}
err := claim.LoadFromBytes(serialized)
err := claim.LoadFromBytes(serialized, blockchainName)
if err != nil {
return nil, err
}
return claim, nil
}
func DecodeClaimHex(serialized string) (*ClaimHelper, error) {
func DecodeClaimHex(serialized string, blockchainName string) (*ClaimHelper, error) {
claim_bytes, err := hex.DecodeString(serialized)
if err != nil {
return nil, err
}
return DecodeClaimBytes(claim_bytes)
return DecodeClaimBytes(claim_bytes, blockchainName)
}
func (m *ClaimHelper) GetStream() *pb.Stream {
if m != nil {
return m.Stream
func (c *ClaimHelper) GetStream() *pb.Stream {
if c != nil {
return c.Stream
}
return nil
}
func (m *ClaimHelper) GetCertificate() *pb.Certificate {
if m != nil {
return m.Certificate
func (c *ClaimHelper) GetCertificate() *pb.Certificate {
if c != nil {
return c.Certificate
}
return nil
}
func (m *ClaimHelper) GetPublisherSignature() *pb.Signature {
if m != nil {
return m.PublisherSignature
func (c *ClaimHelper) GetPublisherSignature() *pb.Signature {
if c != nil {
return c.PublisherSignature
}
return nil
}

15
claim/decode_test.go
View file

@ -1,20 +1,19 @@
package claim
import (
"testing"
"encoding/hex"
"testing"
)
var raw_claims = []string{
"08011002225e0801100322583056301006072a8648ce3d020106052b8104000a03420004d015365a40f3e5c03c87227168e5851f44659837bcf6a3398ae633bc37d04ee19baeb26dc888003bd728146dbea39f5344bf8c52cedaf1a3a1623a0166f4a367",
"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",
"080110011ad7010801128f01080410011a0c47616d65206f66206c696665221047616d65206f66206c696665206769662a0b4a6f686e20436f6e776179322e437265617469766520436f6d6d6f6e73204174747269627574696f6e20342e3020496e7465726e6174696f6e616c38004224080110011a195569c917f18bf5d2d67f1346aa467b218ba90cdbf2795676da250000803f4a0052005a001a41080110011a30b6adf6e2a62950407ea9fb045a96127b67d39088678d2f738c359894c88d95698075ee6203533d3c204330713aa7acaf2209696d6167652f676966",
"08011002225e0801100322583056301006072a8648ce3d020106052b8104000a03420004d015365a40f3e5c03c87227168e5851f44659837bcf6a3398ae633bc37d04ee19baeb26dc888003bd728146dbea39f5344bf8c52cedaf1a3a1623a0166f4a367",
"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",
"080110011ad7010801128f01080410011a0c47616d65206f66206c696665221047616d65206f66206c696665206769662a0b4a6f686e20436f6e776179322e437265617469766520436f6d6d6f6e73204174747269627574696f6e20342e3020496e7465726e6174696f6e616c38004224080110011a195569c917f18bf5d2d67f1346aa467b218ba90cdbf2795676da250000803f4a0052005a001a41080110011a30b6adf6e2a62950407ea9fb045a96127b67d39088678d2f738c359894c88d95698075ee6203533d3c204330713aa7acaf2209696d6167652f676966",
}
func TestDecodeClaims(t *testing.T) {
for _, claim_hex := range(raw_claims) {
claim, err := DecodeClaimHex(claim_hex)
for _, claim_hex := range raw_claims {
claim, err := DecodeClaimHex(claim_hex, "lbrycrd_main")
if err != nil {
t.Error(err)
}
@ -30,7 +29,7 @@ func TestDecodeClaims(t *testing.T) {
func TestStripSignature(t *testing.T) {
claim_hex := raw_claims[1]
claim, err := DecodeClaimHex(claim_hex)
claim, err := DecodeClaimHex(claim_hex, "lbrycrd_main")
if err != nil {
t.Error(err)
}

20
claim/pretty.go
View file

@ -1,16 +1,28 @@
package claim
import (
"encoding/json"
"fmt"
"github.com/golang/protobuf/jsonpb"
)
func marshalToString(claim *ClaimHelper) (string, error) {
func marshalToString(c *ClaimHelper) (string, error) {
m_pb := &jsonpb.Marshaler{}
return m_pb.MarshalToString(claim)
return m_pb.MarshalToString(c)
}
func (claim *ClaimHelper) RenderJSON() (string, error) {
return marshalToString(claim)
func (c *ClaimHelper) RenderJSON() (string, error) {
r, err := marshalToString(c)
if err != nil {
fmt.Println("err")
return "", err
}
var dat map[string]interface{}
err = json.Unmarshal([]byte(r), &dat)
if err != nil {
return "", err
}
return r, nil
}
//TODO: encode byte arrays with b58 for addresses and b16 for source hashes instead of the default of b64

32
claim/validator.go
View file

@ -2,14 +2,14 @@ package claim
import (
"../address"
"crypto/ecdsa"
"crypto/sha256"
"errors"
"encoding/asn1"
"crypto/x509/pkix"
"encoding/asn1"
"encoding/hex"
"errors"
"github.com/btcsuite/btcd/btcec"
"math/big"
"crypto/ecdsa"
"encoding/hex"
)
type publicKeyInfo struct {
@ -21,10 +21,16 @@ type publicKeyInfo struct {
const SECP256k1 = "SECP256k1"
func GetClaimSignatureDigest(claimAddress [25]byte, certificateId [20]byte, serializedNoSig []byte) [32]byte {
combined := []byte{}
for _, c := range claimAddress {combined = append(combined, c)}
for _, c := range serializedNoSig {combined = append(combined, c)}
for _, c := range certificateId {combined = append(combined, c)}
var combined []byte
for _, c := range claimAddress {
combined = append(combined, c)
}
for _, c := range serializedNoSig {
combined = append(combined, c)
}
for _, c := range certificateId {
combined = append(combined, c)
}
digest := sha256.Sum256(combined)
return [32]byte(digest)
}
@ -57,7 +63,7 @@ func (claim *ClaimHelper) VerifyDigest(certificate *ClaimHelper, signature [64]b
return false
}
func (claim *ClaimHelper) ValidateClaimSignatureBytes(certificate *ClaimHelper, claimAddress [25]byte, certificateId [20]byte) (bool, error) {
func (claim *ClaimHelper) ValidateClaimSignatureBytes(certificate *ClaimHelper, claimAddress [25]byte, certificateId [20]byte, blockchainName string) (bool, error) {
signature := claim.GetPublisherSignature()
if signature == nil {
return false, errors.New("claim does not have a signature")
@ -68,7 +74,7 @@ func (claim *ClaimHelper) ValidateClaimSignatureBytes(certificate *ClaimHelper,
signatureBytes[i] = signatureSlice[i]
}
claimAddress, err := address.ValidateAddress(claimAddress)
claimAddress, err := address.ValidateAddress(claimAddress, blockchainName)
if err != nil {
return false, errors.New("invalid address")
}
@ -82,8 +88,8 @@ func (claim *ClaimHelper) ValidateClaimSignatureBytes(certificate *ClaimHelper,
return claim.VerifyDigest(certificate, signatureBytes, claimDigest), nil
}
func (claim *ClaimHelper) ValidateClaimSignature(certificate *ClaimHelper, claimAddress string, certificateId string) (bool, error) {
addressBytes, err := address.DecodeAddress(claimAddress)
func (claim *ClaimHelper) ValidateClaimSignature(certificate *ClaimHelper, claimAddress string, certificateId string, blockchainName string) (bool, error) {
addressBytes, err := address.DecodeAddress(claimAddress, blockchainName)
if err != nil {
return false, err
}
@ -95,5 +101,5 @@ func (claim *ClaimHelper) ValidateClaimSignature(certificate *ClaimHelper, claim
for i := range certificateIdBytes {
certificateIdBytes[i] = certificateIdSlice[i]
}
return claim.ValidateClaimSignatureBytes(certificate, addressBytes, certificateIdBytes)
return claim.ValidateClaimSignatureBytes(certificate, addressBytes, certificateIdBytes, blockchainName)
}

12
claim/validator_test.go
View file

@ -8,13 +8,13 @@ func TestValidateClaimSignature(t *testing.T) {
cert_claim_hex := "08011002225e0801100322583056301006072a8648ce3d020106052b8104000a03420004d015365a40f3e5c03c87227168e5851f44659837bcf6a3398ae633bc37d04ee19baeb26dc888003bd728146dbea39f5344bf8c52cedaf1a3a1623a0166f4a367"
signed_claim_hex := "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"
signed_claim, _ := DecodeClaimHex(signed_claim_hex)
cert_claim, _ := DecodeClaimHex(cert_claim_hex)
signed_claim, _ := DecodeClaimHex(signed_claim_hex, "lbrycrd_main")
cert_claim, _ := DecodeClaimHex(cert_claim_hex, "lbrycrd_main")
claim_addr := "bSkUov7HMWpYBiXackDwRnR5ishhGHvtJt"
cert_id := "251305ca93d4dbedb50dceb282ebcb7b07b7ac65"
result, err := signed_claim.ValidateClaimSignature(cert_claim, claim_addr, cert_id)
result, err := signed_claim.ValidateClaimSignature(cert_claim, claim_addr, cert_id, "lbrycrd_main")
if err != nil {
t.Error(err)
}
@ -27,13 +27,13 @@ func TestFailToValidateClaimSignature(t *testing.T) {
cert_claim_hex := "08011002225e0801100322583056301006072a8648ce3d020106052b8104000a03420004d015365a40f3e5c03c87227168e5851f44659837bcf6a3398ae633bc37d04ee19baeb26dc888003bd728146dbea39f5344bf8c52cedaf1a3a1623a0166f4a367"
signed_claim_hex := "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"
signed_claim, _ := DecodeClaimHex(signed_claim_hex)
cert_claim, _ := DecodeClaimHex(cert_claim_hex)
signed_claim, _ := DecodeClaimHex(signed_claim_hex, "lbrycrd_main")
cert_claim, _ := DecodeClaimHex(cert_claim_hex, "lbrycrd_main")
claim_addr := "bSkUov7HMWpYBiXackDwRnR5ishhGHvtJt"
cert_id := "251305ca93d4dbedb50dceb282ebcb7b07b7ac64"
result, err := signed_claim.ValidateClaimSignature(cert_claim, claim_addr, cert_id)
result, err := signed_claim.ValidateClaimSignature(cert_claim, claim_addr, cert_id, "lbrycrd_main")
if err != nil {
t.Error(err)
}

6
cli/lbryschema-cli.go
View file

@ -1,16 +1,16 @@
package main
import (
"os"
"../claim"
"fmt"
"os"
)
func main() {
args := os.Args[1:]
if len(args) == 1 {
claim_bytes := []byte(args[0])
decoded, err := claim.DecodeClaimBytes(claim_bytes)
decoded, err := claim.DecodeClaimBytes(claim_bytes, "lbrycrd_main")
if err != nil {
fmt.Println("Decoding error:", err)
return
@ -24,7 +24,7 @@ func main() {
return
} else if (len(args) == 2) && (args[1] == "--decode_hex") {
claim_hex := args[0]
decoded, err := claim.DecodeClaimHex(claim_hex)
decoded, err := claim.DecodeClaimHex(claim_hex, "lbrycrd_main")
if err != nil {
fmt.Println("Decoding error:", err)
return