dev@locazia: add blockchain routes, edit resolve content system to cid class, add web2 docs

app/api/routes/_blockchain.py

@@ -0,0 +1,47 @@
+
+from sanic import response
+
+
+def valid_royalty_params(royalty_params):
+    assert sum([x['value'] for x in royalty_params]) == 10000, "Values of royalties should sum to 10000"
+    for field_key, field_value in {
+        'address': lambda x: isinstance(x, str),
+        'value': lambda x: (isinstance(x, int) and 0 <= x <= 10000)
+    }.items():
+        assert field_key in royalty_params, f"No {field_key} provided"
+        assert field_value(royalty_params[field_key]), f"Invalid {field_key} provided"
+    return True
+
+
+async def s_api_v1_blockchain_send_new_content_message(request):
+    assert request.json, "No data provided"
+
+    for field_key, field_value in {
+        'title': lambda x: isinstance(x, str),
+        'authors': lambda x: isinstance(x, list),
+        'content': lambda x: isinstance(x, str),
+        'image': lambda x: isinstance(x, str),
+        'description': lambda x: isinstance(x, str),
+        'price': lambda x: (isinstance(x, str) and x.isdigit()),
+        'allowResale': lambda x: isinstance(x, bool),
+        'royaltyParams': lambda x: (isinstance(x, dict) and valid_royalty_params(x)),
+
+    }.items():
+        assert field_key in request.json, f"No {field_key} provided"
+        assert field_value(request.json[field_key]), f"Invalid {field_key} provided"
+
+    assert request.json.get("title"), "No title provided"
+    return response.json({"message": "Transaction requested"})
+
+
+async def s_api_v1_blockchain_send_purchase_content_message(request):
+    assert request.json, "No data provided"
+
+    for field_key, field_value in {
+        'content_address': lambda x: isinstance(x, str),
+        'price': lambda x: (isinstance(x, str) and x.isdigit()),
+    }.items():
+        assert field_key in request.json, f"No {field_key} provided"
+        assert field_value(request.json[field_key]), f"Invalid {field_key} provided"
+
+    return response.json({"message": "Transaction requested"})

app/api/routes/custodial.py

@@ -1,36 +0,0 @@
-from sanic import response
-from app.core._config import TELEGRAM_API_KEY
-from app.core.models.user import User
-from app.core.logger import make_log
-from datetime import datetime
-import os
-import hashlib
-
-
-async def s_api_v1_custodial_upload_content(request):
-    if not request.json:
-        return response.json({"error": "No data provided"}, status=400)
-
-    if not request.json.get('content'):
-        return response.json({"error": "No content provided"}, status=400)
-
-    if not request.json.get('content_hash'):
-        return response.json({"error": "No content hash provided"}, status=400)
-
-    content = request.json['content']
-    content_hash = request.json['content_hash']
-
-    known_user = request.ctx.db_session.query(User).filter(User.telegram_id == request.ctx.user.telegram_id).first()
-    if not known_user:
-        return response.json({"error": "User not found"}, status=400)
-
-    content_path = os.path.join(os.path.abspath(os.path.dirname(__file__)), f"../../../content/{content_hash}")
-    if os.path.exists(content_path):
-        return response.json({"error": "Content already exists"}, status=400)
-
-    with open(content_path, "wb") as f:
-        f.write(content)
-
-    return response.json({
-        'content_hash': content_hash
-    })

app/api/routes/node_storage.py

@@ -1,10 +1,13 @@
 from sanic import response
 from app.core._config import UPLOADS_DIR
 from app.core.storage import db_session
+from app.core.content.content_id import ContentId
+from app.core._utils.resolve_content import resolve_content
 from app.core.models.node_storage import StoredContent
 from app.core.logger import make_log
 from datetime import datetime
 from base58 import b58encode, b58decode
+from mimetypes import guess_type
 import os
 import hashlib
 
@@ -22,13 +25,21 @@ async def s_api_v1_storage_post(request):
     else:
         return response.json({"error": "No file provided"}, status=400)
 
+    file_meta = {}
+    file_mimetype, file_encoding = guess_type(file_name)[0]
+    if file_mimetype:
+        file_meta["content_type"] = file_mimetype
+
+    if file_encoding:
+        file_meta["extension_encoding"] = file_encoding
+
     try:
         file_hash = b58encode(hashlib.sha256(file_content).digest()).decode()
         new_content = StoredContent(
             hash=file_hash,
             filename=file_name,
             user_id=None,
-            meta={},
+            meta=file_meta,
             created=datetime.now(),
             key_id=None
         )
@@ -39,19 +50,30 @@ async def s_api_v1_storage_post(request):
         with open(file_path, "wb") as file:
             file.write(file_content)
 
-        return response.json({"content_sha256": file_hash})
+        new_content_id = new_content.cid
+        new_cid = new_content_id.serialize_v1()
+
+        return response.json({
+            "content_sha256": file_hash,
+            "content_id_v1": new_cid,
+            "content_url": f"dmy://storage?cid={new_cid}",
+        })
     except BaseException as e:
         return response.json({"error": f"Error: {e}"}, status=500)
 
 
-async def s_api_v1_storage_get(request, file_hash):
-    content = request.ctx.db_session.query(StoredContent).filter(StoredContent.hash == file_hash).first()
+async def s_api_v1_storage_get(request, content_id):
+    cid, errmsg = resolve_content(content_id)
+    if errmsg:
+        return response.json({"error": errmsg}, status=400)
+
+    content_sha256 = b58encode(cid.content_hash).decode()
+    content = request.ctx.db_session.query(StoredContent).filter(StoredContent.hash == content_sha256).first()
     if not content:
         return response.json({"error": "File not found"}, status=404)
 
-    make_log(f"File {file_hash} requested by {request.ip}")
-
-    file_path = os.path.join(UPLOADS_DIR, file_hash)
+    make_log(f"File {content_sha256} requested by {request.ip}")
+    file_path = os.path.join(UPLOADS_DIR, content_sha256)
     if not os.path.exists(file_path):
         return response.json({"error": "File not found"}, status=404)