CollatorSelection

---

Calls

---

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', {}
)

---

register_candidate

Attributes

Name	Type
new_candidate	T::AccountId

Python

call = substrate.compose_call(
    'CollatorSelection', 'register_candidate', {'new_candidate': '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']}
)

---

withdraw_bond

Attributes

No attributes

Python

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

---

Events

---

CandidateAdded

Attributes

Name	Type	Composition
who	T::AccountId	AccountId
bond	BalanceOf<T>	u128

---

CandidateRemoved

Attributes

Name	Type	Composition
who	T::AccountId	AccountId

---

NewCandidacyBond

Attributes

Name	Type	Composition
new_candidacy_bond	BalanceOf<T>	u128

---

NewDesiredCandidates

Attributes

Name	Type	Composition
new_desired_candidates	u32	u32

---

NewInvulnerables

Attributes

Name	Type	Composition
new_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

'scale_info::454'

---

DesiredCandidates

Python

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

Return value

'u32'

---

Invulnerables

Python

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

Return value

['AccountId']

---

NonCandidates

Python

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

Return value

'u32'

---

SessionPoints

Python

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

Return value

'u32'

---

Constants

---

CollatorKickThreshold

Value

600000

Python

constant = substrate.get_constant('CollatorSelection', 'CollatorKickThreshold')

---

KickPenaltySessionLength

Value

8

Python

constant = substrate.get_constant('CollatorSelection', 'KickPenaltySessionLength')

---

MaxCandidates

Value

50

Python

constant = substrate.get_constant('CollatorSelection', 'MaxCandidates')

---

MaxInvulnerables

Value

10

Python

constant = substrate.get_constant('CollatorSelection', 'MaxInvulnerables')

---

MinCandidates

Value

1

Python

constant = substrate.get_constant('CollatorSelection', 'MinCandidates')

---

MinRewardDistributeAmount

Value

0

Python

constant = substrate.get_constant('CollatorSelection', 'MinRewardDistributeAmount')

---

PotId

Value

'0x6163612f63706f74'

Python

constant = substrate.get_constant('CollatorSelection', 'PotId')

---

Errors

---

AlreadyCandidate

---

AlreadyInvulnerable

---

BelowCandidatesMin

---

InvalidProof

---

MaxCandidatesExceeded

---

MaxInvulnerablesExceeded

---

NotCandidate

---

NotNonCandidate

---

NothingToWithdraw

---

Permission

---

RequireSessionKey

---

StillLocked

---

Unknown

---