Fix tails server upload multi-ledger mode

Signed-off-by: Ian Costanzo <ian@anon-solutions.ca>

Author: ianco

aries_cloudagent/ledger/indy.py

@@ -5,6 +5,7 @@
 import logging
 import tempfile
 from datetime import date, datetime
+from io import StringIO
 from os import path
 from time import time
 from typing import Sequence, Tuple, Optional
@@ -42,6 +43,17 @@
 GENESIS_TRANSACTION_FILE = "indy_genesis_transactions.txt"
 
 
+def _normalize_txns(txns: str) -> str:
+    """Normalize a set of genesis transactions."""
+    lines = StringIO()
+    for line in txns.splitlines():
+        line = line.strip()
+        if line:
+            lines.write(line)
+            lines.write("\n")
+    return lines.getvalue()
+
+
 class IndySdkLedgerPoolProvider(BaseProvider):
     """Indy ledger pool provider which keys off the selected pool name."""
 
@@ -107,12 +119,28 @@ def __init__(
         self.cache = cache
         self.cache_duration = cache_duration
         self.genesis_transactions = genesis_transactions
+        self.genesis_txns_cache = genesis_transactions
         self.handle = None
         self.name = name
         self.taa_cache = None
         self.read_only = read_only
         self.socks_proxy = socks_proxy
 
+    @property
+    def genesis_txns(self) -> str:
+        """Get the configured genesis transactions."""
+        if not self.genesis_txns_cache:
+            try:
+                txn_path = path.join(
+                    tempfile.gettempdir(), f"{self.name}_{GENESIS_TRANSACTION_FILE}"
+                )
+                self.genesis_txns_cache = _normalize_txns(open(txn_path).read())
+            except FileNotFoundError:
+                raise LedgerConfigError(
+                    "Pool config '%s' not found", self.name
+                ) from None
+        return self.genesis_txns_cache
+
     async def create_pool_config(
         self, genesis_transactions: str, recreate: bool = False
     ):

aries_cloudagent/tails/indy_tails_server.py

@@ -1,6 +1,7 @@
 """Indy tails server interface class."""
 
 from typing import Tuple
+import logging
 
 from ..config.injection_context import InjectionContext
 from ..ledger.multiple_ledger.base_manager import BaseMultipleLedgerManager
@@ -10,6 +11,9 @@
 from .error import TailsServerNotConfiguredError
 
 
+LOGGER = logging.getLogger(__name__)
+
+
 class IndyTailsServer(BaseTailsServer):
     """Indy tails server interface."""
 
@@ -38,12 +42,16 @@ async def upload_tails_file(
         if not genesis_transactions:
             ledger_manager = context.injector.inject(BaseMultipleLedgerManager)
             write_ledgers = await ledger_manager.get_write_ledger()
+            LOGGER.debug(f"write_ledgers = {write_ledgers}")
             pool = write_ledgers[1].pool
+            LOGGER.debug(f"write_ledger pool = {pool}")
+
+            genesis_transactions = pool.genesis_txns
 
-            try:
-                genesis_transactions = pool.genesis_transactions
-            except AttributeError:
-                genesis_transactions = pool.genesis_txns_cache
+        if not genesis_transactions:
+            raise TailsServerNotConfiguredError(
+                "no genesis_transactions for writable ledger"
+            )
 
         if not tails_server_upload_url:
             raise TailsServerNotConfiguredError(