add SerializeClaimFromJSON , DecodeAddress, and EncodeAddress to python binding

binding/lbryschema-python-binding.go

@@ -1,8 +1,10 @@
 package main
 
 import (
+	"../address"
 	"../claim"
 	"C"
+	"encoding/hex"
 )
 
 //export VerifySignature
@@ -19,23 +21,58 @@ func VerifySignature(claimHex string, certificateHex string, claimAddress string
 	if err != nil {
 		return false
 	}
-	if result == false {
-		return false
-	}
-	return true
+	return result
 }
 
 //export DecodeClaimHex
 func DecodeClaimHex(claimHex string, blockchainName string) *C.char {
 	decodedClaim, err := claim.DecodeClaimHex(claimHex, blockchainName)
 	if err != nil {
-		return C.CString("decode error")
+		return C.CString("decode error: " + err.Error())
 	}
 	decoded, err := decodedClaim.RenderJSON()
 	if err != nil {
-		return C.CString("encode error")
+		return C.CString("encode error: " + err.Error())
 	}
 	return C.CString(decoded)
 }
 
+//export SerializeClaimFromJSON
+func SerializeClaimFromJSON(claimJSON string, blockchainName string) *C.char {
+	decodedClaim, err := claim.DecodeClaimJSON(claimJSON, blockchainName)
+	if err != nil {
+		return C.CString("decode error: " + err.Error())
+	}
+	SerializedHex, err := decodedClaim.SerializedHexString()
+	if err != nil {
+		return C.CString("encode error: " + err.Error())
+	}
+	return C.CString(SerializedHex)
+}
+
+//export DecodeAddress
+func DecodeAddress(addressString string, blockchainName string) *C.char {
+	addressBytes, err := address.DecodeAddress(addressString, blockchainName)
+	if err != nil {
+		return C.CString("error: " + err.Error())
+	}
+	return C.CString(hex.EncodeToString(addressBytes[:]))
+}
+
+//export EncodeAddress
+func EncodeAddress(addressChars string, blockchainName string) *C.char {
+	addressBytes := [25]byte{}
+	if len(addressChars) != 25 {
+		return C.CString("error: address is not 25 bytes")
+	}
+	for i := range addressBytes {
+		addressBytes[i] = byte(addressChars[i])
+	}
+	encodedAddress, err := address.EncodeAddress(addressBytes, blockchainName)
+	if err != nil {
+		return C.CString("error: " + err.Error())
+	}
+	return C.CString(encodedAddress)
+}
+
 func main() {}