Handles

---

Calls

---

change_handle

Attributes

Name	Type
msa_owner_key	T::AccountId
proof	MultiSignature
payload	ClaimHandlePayload<BlockNumberFor<T>>

Python

call = substrate.compose_call(
    'Handles', 'change_handle', {
    'msa_owner_key': 'AccountId',
    'payload': {
        'base_handle': 'Bytes',
        'expiration': 'u32',
    },
    'proof': {
        'Ecdsa': '[u8; 65]',
        'Ed25519': '[u8; 64]',
        'Sr25519': '[u8; 64]',
    },
}
)

---

claim_handle

Attributes

Name	Type
msa_owner_key	T::AccountId
proof	MultiSignature
payload	ClaimHandlePayload<BlockNumberFor<T>>

Python

call = substrate.compose_call(
    'Handles', 'claim_handle', {
    'msa_owner_key': 'AccountId',
    'payload': {
        'base_handle': 'Bytes',
        'expiration': 'u32',
    },
    'proof': {
        'Ecdsa': '[u8; 65]',
        'Ed25519': '[u8; 64]',
        'Sr25519': '[u8; 64]',
    },
}
)

---

retire_handle

Attributes

No attributes

Python

call = substrate.compose_call(
    'Handles', 'retire_handle', {}
)

---

Events

---

HandleClaimed

Attributes

Name	Type	Composition
msa_id	MessageSourceId	u64
handle	Vec<u8>	Bytes

---

HandleRetired

Attributes

Name	Type	Composition
msa_id	MessageSourceId	u64
handle	Vec<u8>	Bytes

---

Storage functions

---

CanonicalBaseHandleAndSuffixToMSAId

Python

result = substrate.query(
    'Handles', 'CanonicalBaseHandleAndSuffixToMSAId', ['Bytes', 'u16']
)

Return value

'u64'

---

CanonicalBaseHandleToSuffixIndex

Python

result = substrate.query(
    'Handles', 'CanonicalBaseHandleToSuffixIndex', ['Bytes']
)

Return value

('u16', 'u16')

---

MSAIdToDisplayName

Python

result = substrate.query(
    'Handles', 'MSAIdToDisplayName', ['u64']
)

Return value

('Bytes', 'u32')

---

Constants

---

HandleSuffixMax

Value

99

Python

constant = substrate.get_constant('Handles', 'HandleSuffixMax')

---

HandleSuffixMin

Value

10

Python

constant = substrate.get_constant('Handles', 'HandleSuffixMin')

---

MortalityWindowSize

Value

100

Python

constant = substrate.get_constant('Handles', 'MortalityWindowSize')

---

Errors

---

HandleContainsBlockedCharacters

---

HandleDoesNotConsistOfSupportedCharacterSets

---

HandleIsNotAllowed

---

HandleWithinMortalityPeriod

---

InvalidHandle

---

InvalidHandleByteLength

---

InvalidHandleCharacterLength

---

InvalidHandleEncoding

---

InvalidMessageSourceAccount

---

InvalidSignature

---

MSAHandleAlreadyExists

---

MSAHandleDoesNotExist

---

ProofHasExpired

---

ProofNotYetValid

---

SuffixesExhausted

---