CollatorSelection

---

Calls

---

add_invulnerable

Attributes

Name	Type
who	T::AccountId

Python

call = substrate.compose_call(
    'CollatorSelection', 'add_invulnerable', {'who': 'AccountId'}
)

---

leave_intent

Attributes

No attributes

Python

call = substrate.compose_call(
    'CollatorSelection', 'leave_intent', {}
)

---

register_as_candidate

Attributes

No attributes

Python

call = substrate.compose_call(
    'CollatorSelection', 'register_as_candidate', {}
)

---

remove_invulnerable

Attributes

Name	Type
who	T::AccountId

Python

call = substrate.compose_call(
    'CollatorSelection', 'remove_invulnerable', {'who': 'AccountId'}
)

---

set_candidacy_bond

Attributes

Name	Type
bond	BalanceOf<T>

Python

call = substrate.compose_call(
    'CollatorSelection', 'set_candidacy_bond', {'bond': 'u128'}
)

---

set_desired_candidates

Attributes

Name	Type
max	u32

Python

call = substrate.compose_call(
    'CollatorSelection', 'set_desired_candidates', {'max': 'u32'}
)

---

set_invulnerables

Attributes

Name	Type
new	Vec<T::AccountId>

Python

call = substrate.compose_call(
    'CollatorSelection', 'set_invulnerables', {'new': ['AccountId']}
)

---

Events

---

CandidateAdded

Attributes

Name	Type	Composition
account_id	T::AccountId	AccountId
deposit	BalanceOf<T>	u128

---

CandidateRemoved

Attributes

Name	Type	Composition
account_id	T::AccountId	AccountId

---

InvalidInvulnerableSkipped

Attributes

Name	Type	Composition
account_id	T::AccountId	AccountId

---

InvulnerableAdded

Attributes

Name	Type	Composition
account_id	T::AccountId	AccountId

---

InvulnerableRemoved

Attributes

Name	Type	Composition
account_id	T::AccountId	AccountId

---

NewCandidacyBond

Attributes

Name	Type	Composition
bond_amount	BalanceOf<T>	u128

---

NewDesiredCandidates

Attributes

Name	Type	Composition
desired_candidates	u32	u32

---

NewInvulnerables

Attributes

Name	Type	Composition
invulnerables	Vec<T::AccountId>	['AccountId']

---

Storage functions

---

CandidacyBond

Python

result = substrate.query(
    'CollatorSelection', 'CandidacyBond', []
)

Return value

'u128'

---

Candidates

Python

result = substrate.query(
    'CollatorSelection', 'Candidates', []
)

Return value

[{'deposit': 'u128', 'who': 'AccountId'}]

---

DesiredCandidates

Python

result = substrate.query(
    'CollatorSelection', 'DesiredCandidates', []
)

Return value

'u32'

---

Invulnerables

Python

result = substrate.query(
    'CollatorSelection', 'Invulnerables', []
)

Return value

['AccountId']

---

LastAuthoredBlock

Python

result = substrate.query(
    'CollatorSelection', 'LastAuthoredBlock', ['AccountId']
)

Return value

'u32'

---

Errors

---

AlreadyCandidate

---

AlreadyInvulnerable

---

NoAssociatedValidatorId

---

NotCandidate

---

NotInvulnerable

---

TooFewEligibleCollators

---

TooManyCandidates

---

TooManyInvulnerables

---

ValidatorNotRegistered

---