.

t/neo/storage/fs1/filestorage_test.go

+// XXX license/copyright
+
+package fs1
+
+// one entry inside transaction
+type txnEntry struct {
+	header	DataHeader
+	data	[]byte
+}
+
+type dbEntry struct {
+	header	TxnHeader
+	// TODO user, desc, ext
+	Recordv	[]txnEntry
+}

t/neo/storage/fs1/py/gen-testdata

@@ -124,16 +124,21 @@ def main():
             assert th.tid == txn.tid
             assert th.tlen == txn._tend - txn._tpos
 
+            emit("\t{")
+
             # -> TxnHeader
-            emit("\tTxnHeader{")
-            emit("\t\tTid:\t%s," % hex64(txn.tid))
-            emit("\t\tRecLenm8:\t%i," % th.tlen)
-            emit("\t\tStatus:\t'%s'," % txn.status)
-            emit("\t\tUser:\t\t[]byte(%s)," % escapeqq(txn.user))
-            emit("\t\tDescription:\t[]byte(%s)," % escapeqq(txn.description))
-            emit("\t\tExtension:\t[]byte(%s)," % escapeqq(th.ext))
+            emit("\t\tTxnHeader{")
+            emit("\t\t\tTid:\t%s," % hex64(txn.tid))
+            emit("\t\t\tRecLenm8:\t%i," % th.tlen)
+            emit("\t\t\tStatus:\t'%s'," % txn.status)
+            emit("\t\t\tUser:\t\t[]byte(%s)," % escapeqq(txn.user))
+            emit("\t\t\tDescription:\t[]byte(%s)," % escapeqq(txn.description))
+            emit("\t\t\tExtension:\t[]byte(%s)," % escapeqq(th.ext))
+            emit("\t\t},")
 
             # -> DataHeader + payload
+            emit("\n\t\t[]txnEntry{")
+
             for drec in txn:            # drec is itemof(TransactionRecordIterator) = Record
                 # same as with txn - not everything is possible to get via
                 # higher-level api
@@ -142,22 +147,25 @@ def main():
                 assert dh.tid == drec.tid
                 assert dh.tloc == txn._tpos
 
-                emit("\n\t\tDataHeader{")
-                emit("\t\t\tOid:\t%i," % unpack64(drec.oid))
-                emit("\t\t\tTid:\t%s," % hex64(drec.tid))
+                emit("\t\t\t{")
+                emit("\t\t\t\tDataHeader{")
+                emit("\t\t\t\t\tOid:\t%i," % unpack64(drec.oid))
+                emit("\t\t\t\t\tTid:\t%s," % hex64(drec.tid))
                 # drec: .data .prev (=prev_txn)
 
-                emit("\t\t\tPrevDataRecPos:\t%i," % dh.prev)
-                emit("\t\t\tTxnPos:\t%i," % txn._tpos)
+                emit("\t\t\t\t\tPrevDataRecPos:\t%i," % dh.prev)
+                emit("\t\t\t\t\tTxnPos:\t%i," % txn._tpos)
                 assert drec.version == ''
-                emit("\t\t\tDataLen:\t%i," % dh.plen)
+                emit("\t\t\t\t\tDataLen:\t%i," % dh.plen)
+                emit("\t\t\t\t},")
                 plen = dh.plen
                 if plen == 0:
                     data = p64(dh.back) # back-pointer or 0 (= delete)
                 else:
                     data = drec.data
 
-                emit("\t\t\tData:\t[]byte(%s)," % escapeqq(data))
+                emit("\t\t\t\tData:\t[]byte(%s)," % escapeqq(data))
+                emit("\t\t\t},")
 
                 #.data .data_txn
                 emit("\t\t},")