Sudo

---

Calls

---

set_key

Authenticates the current sudo key and sets the given AccountId (new) as the new sudo key.

The dispatch origin for this call must be Signed.

# <weight> - O(1). - Limited storage reads. - One DB change. # </weight>

Attributes

Name	Type
new	<T::Lookup as StaticLookup>::Source

Python

call = substrate.compose_call(
    'Sudo', 'set_key', {
    'new': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': (),
        'Raw': 'Bytes',
    },
}
)

---

sudo

Authenticates the sudo key and dispatches a function call with Root origin.

The dispatch origin for this call must be Signed.

# <weight> - O(1). - Limited storage reads. - One DB write (event). - Weight of derivative call execution + 10,000. # </weight>

Attributes

Name	Type
call	Box<<T as Config>::Call>

Python

call = substrate.compose_call(
    'Sudo', 'sudo', {'call': 'Call'}
)

---

sudo_as

Authenticates the sudo key and dispatches a function call with Signed origin from a given account.

The dispatch origin for this call must be Signed.

# <weight> - O(1). - Limited storage reads. - One DB write (event). - Weight of derivative call execution + 10,000. # </weight>

Attributes

Name	Type
who	<T::Lookup as StaticLookup>::Source
call	Box<<T as Config>::Call>

Python

call = substrate.compose_call(
    'Sudo', 'sudo_as', {
    'call': 'Call',
    'who': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': (),
        'Raw': 'Bytes',
    },
}
)

---

sudo_unchecked_weight

Authenticates the sudo key and dispatches a function call with Root origin. This function does not check the weight of the call, and instead allows the Sudo user to specify the weight of the call.

The dispatch origin for this call must be Signed.

# <weight> - O(1). - The weight of this call is defined by the caller. # </weight>

Attributes

Name	Type
call	Box<<T as Config>::Call>
weight	Weight

Python

call = substrate.compose_call(
    'Sudo', 'sudo_unchecked_weight', {'call': 'Call', 'weight': 'u64'}
)

---

Events

---

KeyChanged

The [sudoer] just switched identity; the old key is supplied if one existed.

Attributes

Name	Type	Composition
old_sudoer	Option<T::AccountId>	(None, 'AccountId')

---

Sudid

A sudo just took place. [result]

Attributes

Name	Type	Composition
sudo_result	DispatchResult	{'Ok': (), 'Err': {'Other': None, 'CannotLookup': None, 'BadOrigin': None, 'Module': {'index': 'u8', 'error': '[u8; 4]'}, 'ConsumerRemaining': None, 'NoProviders': None, 'TooManyConsumers': None, 'Token': ('NoFunds', 'WouldDie', 'BelowMinimum', 'CannotCreate', 'UnknownAsset', 'Frozen', 'Unsupported'), 'Arithmetic': ('Underflow', 'Overflow', 'DivisionByZero'), 'Transactional': ('LimitReached', 'NoLayer')}}

---

SudoAsDone

A sudo just took place. [result]

Attributes

Name	Type	Composition
sudo_result	DispatchResult	{'Ok': (), 'Err': {'Other': None, 'CannotLookup': None, 'BadOrigin': None, 'Module': {'index': 'u8', 'error': '[u8; 4]'}, 'ConsumerRemaining': None, 'NoProviders': None, 'TooManyConsumers': None, 'Token': ('NoFunds', 'WouldDie', 'BelowMinimum', 'CannotCreate', 'UnknownAsset', 'Frozen', 'Unsupported'), 'Arithmetic': ('Underflow', 'Overflow', 'DivisionByZero'), 'Transactional': ('LimitReached', 'NoLayer')}}

---

Storage functions

---

Key

The AccountId of the sudo key.

Python

result = substrate.query(
    'Sudo', 'Key', []
)

Return value

'AccountId'

---

Errors

---

RequireSudo

Sender must be the Sudo account

---