feat: Add token symbol proof metadata references

cic/cmd/export.py

@@ -12,7 +12,10 @@ from cic import (
         Proof,
         Processor,
         )
-from cic.output import HTTPWriter
+from cic.output import (
+        HTTPWriter,
+        KeyedWriterFactory,
+        )
 from cic.meta import (
         Meta,
         MetadataWriter,
@@ -66,8 +69,8 @@ def execute(config, eargs):
         MetadataSigner.gpg_path = os.path.join('/tmp')
         MetadataSigner.key_file_path = '/home/lash/src/client/cic/grassrootseconomics/cic-internal-integration/apps/cic-ussd/tests/data/pgp/privatekeys_meta.asc'
         MetadataSigner.gpg_passphrase = 'merman'
-        writers['proof'] = HTTPWriter
-        writers['attachment'] = HTTPWriter
+        writers['proof'] = KeyedWriterFactory(MetadataWriter, HTTPWriter).new
+        writers['attachment'] = KeyedWriterFactory(None, HTTPWriter).new
         writers['meta'] = MetadataWriter
         output_writer_path_meta = eargs.metadata_endpoint
     
@@ -77,10 +80,10 @@ def execute(config, eargs):
     cp = Proof(path=eargs.directory, attachments=ca, writer=writers['proof'](path=output_writer_path_meta))
     cn = Network(path=eargs.directory)
 
+    ca.load()
     ct.load()
     cp.load()
     cm.load()
-    ca.load()
     cn.load()
 
     chain_spec = None