get avax chain sync working

alembic/versions/f6f695a38339_add_meme_sync_flag.py

@@ -0,0 +1,27 @@
+"""add meme sync flag
+
+Revision ID: f6f695a38339
+Revises: f15cd9fa0f06
+Create Date: 2021-12-31 11:05:28.153450
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'f6f695a38339'
+down_revision = 'f15cd9fa0f06'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    with op.batch_alter_table('memes', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('synced', sa.Boolean(), nullable=True))
+
+
+
+def downgrade():
+    with op.batch_alter_table('memes', schema=None) as batch_op:
+        batch_op.drop_column('synced')

suchwowx/cli/cli.py

@@ -47,13 +47,25 @@ def sync_avax():
                     db.session.commit()
                     print(f'[+] Created user {user_exists.handle}')
                 res = requests.get(f'{config.IPFS_SERVER}/ipfs/{deets[5]}', timeout=30).json()
+                if not 'image' in res:
+                    print('No image IPFS hash, skipping')
+                    continue
+                meme_ipfs_hash = res['image'].split('ipfs://')[1]
+                filename = token_urlsafe(24)
+                print(f'[+] Downloading image hash {meme_ipfs_hash} as {filename}')
+                r = requests.get(f'{config.IPFS_SERVER}/ipfs/{meme_ipfs_hash}', stream=True)
+                with open(f'{config.DATA_FOLDER}/uploads/{filename}', 'wb') as f:
+                    for chunk in r.iter_content(chunk_size = 16*1024):
+                        f.write(chunk)
                 meme = Meme(
                     title=res['name'],
+                    file_name=filename,
                     description=res['description'],
                     user_id=user_exists.id,
                     meta_ipfs_hash=deets[5],
-                    meme_ipfs_hash=res['image'].split('ipfs://')[1],
+                    meme_ipfs_hash=meme_ipfs_hash,
-                    minted=True
+                    minted=True,
+                    synced=True
                 )
                 db.session.add(meme)
                 db.session.commit()

suchwowx/models.py

@@ -103,6 +103,7 @@ class Meme(db.Model):
     description = db.Column(db.String(400), nullable=True)
     minted = db.Column(db.Boolean, default=False)
     approved = db.Column(db.Boolean, default=False)
+    synced = db.Column(db.Boolean, default=False)
     user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
     user = db.relationship('User', back_populates='memes')
 

suchwowx/routes/meme.py

@@ -26,8 +26,11 @@ def index():
 
 @bp.route('/mod')
 def mod():
+    if not current_user.is_authenticated:
+        flash('You must be logged in and have MetaMask wallet connected.', 'warning')
+        return redirect(url_for('meme.index'))
     if not current_user.is_moderator():
-        flash('You are not a moderator', 'warning')
+        flash('You are not a moderator.', 'warning')
         return redirect(url_for('meme.index'))
     memes = Meme.query.filter(
         Meme.approved != True
@@ -133,11 +136,12 @@ def approve(meme_id, action):
         existing_meme_ipfs = Meme.query.filter(
             Meme.meme_ipfs_hash == res[1]
         ).first()
-        if existing_meta_ipfs or existing_meme_ipfs:
+        if meme.synced is False:
-            flash('Cannot use an existing IPFS hash for either metadata or memes.', 'warning') # noqa
+            if existing_meta_ipfs or existing_meme_ipfs:
-            return redirect(url_for('meme.show', meme_id=meme.id))
+                flash('Cannot use an existing IPFS hash for either metadata or memes on new posts.', 'warning') # noqa
-        meme.meta_ipfs_hash = res[0]
+                return redirect(url_for('meme.show', meme_id=meme.id))
-        meme.meme_ipfs_hash = res[1]
+            meme.meta_ipfs_hash = res[0]
+            meme.meme_ipfs_hash = res[1]
         meme.approved = True
         db.session.commit()
         flash('Approved meme and published new meme to local IPFS server.', 'success')