Handled unicode code points that can't be stored in Postgres

Also applied MOONSTREAM_SPIRE_API_URL configuration to mooncrawl
reporter so that we can report to non-production Spire APIs.

crawlers/mooncrawl/mooncrawl/nft/ethereum.py

@@ -302,13 +302,24 @@ def label_erc721_addresses(
     for address, id in address_ids:
         try:
             contract_info = get_erc721_contract_info(w3, address)
+
+            # Postgres cannot store the following unicode code point in a string: \u0000
+            # Therefore, we replace that code point with the empty string to avoid errors:
+            # https://stackoverflow.com/a/31672314
+            contract_name = contract_info.name.replace("\\u0000", "").replace(
+                "\x00", ""
+            )
+            contract_symbol = contract_info.symbol.replace("\\u0000", "").replace(
+                "\x00", ""
+            )
+
             labels.append(
                 EthereumLabel(
                     address_id=id,
                     label=NFT_LABEL,
                     label_data={
-                        "name": contract_info.name,
+                        "name": contract_name,
-                        "symbol": contract_info.symbol,
+                        "symbol": contract_symbol,
                     },
                 )
             )

crawlers/mooncrawl/mooncrawl/reporter.py

@@ -1,3 +1,4 @@
+import os
 import uuid
 
 from humbug.consent import HumbugConsent
@@ -8,6 +9,8 @@ from .settings import HUMBUG_REPORTER_CRAWLERS_TOKEN
 session_id = str(uuid.uuid4())
 client_id = "moonstream-crawlers"
 
+spire_url = os.environ.get("MOONSTREAM_SPIRE_API_URL")
+
 reporter = HumbugReporter(
     name="moonstream-crawlers",
     consent=HumbugConsent(True),
@@ -15,4 +18,5 @@ reporter = HumbugReporter(
     session_id=session_id,
     bugout_token=HUMBUG_REPORTER_CRAWLERS_TOKEN,
     tags=[],
+    url=spire_url,
 )