Contract con_gamma_phi_profile_v2
| Creator | ae9cfa894495930b8d2f1707ab936325b5c848ace677bb8ba41dfe7dcdb3e3e6 |
| Creation Hash | 11d9fbee3041d7c4e9088aa6f09fc333c5a0107dd1ed1b51320d4ceb32ad7f37 |
| Created On | 886 days ago - 12/11/2021, 5:19:12 PM UTC+0 |
Contract Code
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# con_gamma_phi_profile_v2
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metadata = Hash(default_value=None)
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usernames = Hash(default_value=None)
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total_users = Variable()
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owner = Variable()
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DEFAULT_METADATA_FIELDS = [
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'username',
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'display_name',
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'telegram',
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'twitter',
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'instagram',
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'facebook',
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'discord',
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'icon_base64',
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'icon_url',
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'public_rsa_key',
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'frens'
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]
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@construct
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def seed():
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total_users.set(0)
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owner.set(ctx.caller)
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@export
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def create_profile(
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username: str,
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display_name: str,
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telegram: str = None,
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twitter: str = None,
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instagram: str = None,
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facebook: str = None,
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discord: str = None,
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icon_base64: str = None,
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icon_url: str = None,
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public_rsa_key: str = None # Expected to be "{n}|{e}"
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):
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user_address = ctx.caller
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validate_username(username)
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assert usernames[username] is None, f'Username {username} already exists.'
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usernames[username] = user_address
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metadata[user_address, 'username'] = username
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metadata[user_address, 'display_name'] = display_name or username
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metadata[user_address, 'telegram'] = telegram
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metadata[user_address, 'twitter'] = twitter
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metadata[user_address, 'instagram'] = instagram
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metadata[user_address, 'facebook'] = facebook
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metadata[user_address, 'discord'] = discord
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metadata[user_address, 'icon_base64'] = icon_base64
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metadata[user_address, 'icon_url'] = icon_url
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metadata[user_address, 'frens'] = []
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update_public_rsa_key(user_address=user_address, key=public_rsa_key)
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total_users.set(total_users.get()+1)
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@export
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def add_frens(frens: list):
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user_address = ctx.caller
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assert metadata[user_address, 'username'] is not None, 'You do not have a profile. Please create one first.'
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current_frens = metadata[user_address, 'frens'] or []
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for fren in frens:
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# Check for address or username
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fren_address = usernames[fren]
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if fren_address is None:
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fren_address = fren
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assert metadata[fren_address, 'username'] is not None, f'{fren_address} does not have a profile.'
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assert fren_address != user_address, 'You cannot add yourself as a fren'
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if fren_address not in current_frens:
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current_frens.append(fren_address)
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metadata[user_address, 'frens'] = current_frens
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@export
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def remove_frens(frens: list):
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user_address = ctx.caller
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assert metadata[user_address, 'username'] is not None, 'You do not have a profile. Please create one first.'
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current_frens = metadata[user_address, 'frens'] or []
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for fren in frens:
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# Check for address or username
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fren_address = usernames[fren]
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if fren_address is None:
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fren_address = fren
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if fren_address in current_frens:
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current_frens.remove(fren_address)
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metadata[user_address, 'frens'] = current_frens
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def validate_username(username: str):
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assert username is not None and len(username) > 0, 'Username cannot be null or empty'
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assert isinstance(username, str), 'Username must be a string.'
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assert len(username) <= 16, 'Usernames cannot be longer than 16 characters.'
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assert all([c.isalnum() or c in ('_', '-') for c in username]), 'Username has invalid characters. Each character must be alphanumeric, a hyphen, or an underscore.'
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assert username[0] not in ('-', '_') and username[-1] not in ('-', '_'), 'Usernames cannot start or end with a hyphen or underscore.'
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def update_public_rsa_key(user_address, key: str):
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if key is None:
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metadata[user_address, 'public_rsa_key'] = None
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else:
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parts = key.split('|')
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assert len(key) != 2, 'Invalid key format'
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metadata[user_address, 'public_rsa_key'] = [int(parts[0]), int(parts[1])]
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def update_profile_helper(user_address: str, key: str, value: Any):
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assert key != 'extra_fields', 'You cannot update extra_fields with this method.'
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assert metadata[user_address, 'username'] is not None, 'You do not have a profile. Please create one first.'
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if key == 'username':
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validate_username(value)
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username = metadata[user_address, 'username']
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assert username is not None, 'This user does not exist.'
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assert usernames[value] is None, f'Username {value} already exists.'
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assert value is not None, 'No username provided. Call delete_profile to remove a user profile.'
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usernames[value] = user_address
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elif key == 'public_rsa_key':
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update_public_rsa_key(user_address=user_address, key=value)
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elif key not in DEFAULT_METADATA_FIELDS:
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extra_fields = metadata[user_address, 'extra_fields'] or []
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if key not in extra_fields:
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extra_fields.append(key)
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metadata[user_address, 'extra_fields'] = extra_fields
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metadata[user_address, key] = value
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def delete_profile_helper(user_address: str):
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username = metadata[user_address, 'username']
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assert username is not None, 'This user does not exist.'
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usernames[username] = None
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metadata[user_address, 'username'] = None
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metadata[user_address, 'display_name'] = None
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metadata[user_address, 'telegram'] = None
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metadata[user_address, 'twitter'] = None
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metadata[user_address, 'instagram'] = None
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metadata[user_address, 'facebook'] = None
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metadata[user_address, 'discord'] = None
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metadata[user_address, 'icon_base64'] = None
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metadata[user_address, 'icon_url'] = None
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metadata[user_address, 'frens'] = None
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update_public_rsa_key(user_address=user_address, key=None)
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extra_fields = metadata[user_address, 'extra_fields'] or []
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for field in extra_fields:
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metadata[user_address, field] = None
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# Subtract from total user count
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total_users.set(total_users.get()-1)
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@export
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def delete_profile():
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delete_profile_helper(user_address=ctx.caller)
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@export
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def force_delete_profile(user_address: str):
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assert ctx.caller == owner.get(), 'Only the owner can call force_delete_profile'
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delete_profile_helper(user_address=user_address)
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@export
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def update_profile(key: str, value: Any):
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update_profile_helper(user_address=ctx.caller, key=key, value=value)
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@export
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def force_update_profile(user_address: str, key: str, value: Any):
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assert ctx.caller == owner.get(), 'Only the owner can call force_update_profile'
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update_profile_helper(user_address=user_address, key=key, value=value)
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@export
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def change_ownership(new_owner: str):
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assert ctx.caller == owner.get(), 'Only the owner can change ownership!'
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owner.set(new_owner)
Byte Code
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