Support "solo" network name

Signed-off-by: Alexander Shenshin <alexander.shenshin@dsr-corporation.com>

Author: AlexanderShenshin

hiero_did_sdk_python/did/did_syntax.py

@@ -8,6 +8,7 @@
 HEDERA_NETWORK_MAINNET = "mainnet"
 HEDERA_NETWORK_TESTNET = "testnet"
 HEDERA_NETWORK_PREVIEWNET = "previewnet"
+HEDERA_NETWORK_SOLO = "solo"
 
 HEDERA_DID_METHOD = "hedera"
 

hiero_did_sdk_python/did/utils.py

@@ -9,6 +9,7 @@
     HEDERA_DID_METHOD,
     HEDERA_NETWORK_MAINNET,
     HEDERA_NETWORK_PREVIEWNET,
+    HEDERA_NETWORK_SOLO,
     HEDERA_NETWORK_TESTNET,
 )
 
@@ -94,6 +95,7 @@ def parse_identifier(identifier: str) -> ParsedIdentifier:
             network_name != HEDERA_NETWORK_MAINNET
             and network_name != HEDERA_NETWORK_TESTNET
             and network_name != HEDERA_NETWORK_PREVIEWNET
+            and network_name != HEDERA_NETWORK_SOLO
         ):
             raise DidException("DID string is invalid. Invalid Hedera network.", DidErrorCode.INVALID_NETWORK)
 

tests/integration/test_hedera_anoncreds_registry.py

@@ -32,9 +32,9 @@
 from hiero_did_sdk_python.anoncreds.utils import AnonCredsObjectType, parse_anoncreds_identifier
 from hiero_did_sdk_python.hcs import HcsMessageResolver
 
-from .conftest import OPERATOR_KEY_DER
+from .conftest import NETWORK, OPERATOR_KEY_DER
 
-ISSUER_ID = "did:hedera:testnet:zvAQyPeUecGck2EsxcsihxhAB6jZurFrBbj2gC7CNkS5o_0.0.5063027"
+ISSUER_ID = f"did:hedera:{NETWORK}:zvAQyPeUecGck2EsxcsihxhAB6jZurFrBbj2gC7CNkS5o_0.0.5063027"
 
 MOCK_SCHEMA_PARAMS = {
     "name": "mock-schema",