CddServiceProviders

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Calls

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abdicate_membership

Allows the calling member to unilaterally quit without this being subject to a GC vote.

# Arguments * origin - Member of committee who wants to quit.

# Error

• Only primary key can abdicate.
• Last member of a group cannot abdicate.

Attributes

No attributes

Python

call = substrate.compose_call(
    'CddServiceProviders', 'abdicate_membership', {}
)

---

add_member

Adds a member who to the group. May only be called from AddOrigin or root.

# Arguments * origin - Origin representing AddOrigin or root * who - IdentityId to be added to the group.

Attributes

Name	Type
who	IdentityId

Python

call = substrate.compose_call(
    'CddServiceProviders', 'add_member', {'who': '[u8; 32]'}
)

---

disable_member

Disables a member at specific moment.

Please note that if member is already revoked (a "valid member"), its revocation time-stamp will be updated.

Any disabled member should NOT allow to act like an active member of the group. For instance, a disabled CDD member should NOT be able to generate a CDD claim. However any generated claim issued before at would be considered as a valid one.

If you want to invalidate any generated claim, you should use Self::remove_member.

# Arguments * at - Revocation time-stamp. * who - Target member of the group. * expiry - Time-stamp when who is removed from CDD. As soon as it is expired, the generated claims will be "invalid" as who is not considered a member of the group.

Attributes

Name	Type
who	IdentityId
expiry	Option<T::Moment>
at	Option<T::Moment>

Python

call = substrate.compose_call(
    'CddServiceProviders', 'disable_member', {
    'at': (None, 'u64'),
    'expiry': (None, 'u64'),
    'who': '[u8; 32]',
}
)

---

remove_member

Removes a member who from the set. May only be called from RemoveOrigin or root.

Any claim previously generated by this member is not valid as a group claim. For instance, if a CDD member group generated a claim for a target identity and then it is removed, that claim will be invalid. In case you want to keep the validity of generated claims, you have to use Self::disable_member function

# Arguments * origin - Origin representing RemoveOrigin or root * who - IdentityId to be removed from the group.

Attributes

Name	Type
who	IdentityId

Python

call = substrate.compose_call(
    'CddServiceProviders', 'remove_member', {'who': '[u8; 32]'}
)

---

reset_members

Changes the membership to a new set, disregarding the existing membership. May only be called from ResetOrigin or root.

# Arguments * origin - Origin representing ResetOrigin or root * members - New set of identities

Attributes

Name	Type
members	Vec<IdentityId>

Python

call = substrate.compose_call(
    'CddServiceProviders', 'reset_members', {'members': ['[u8; 32]']}
)

---

set_active_members_limit

Change this group's limit for how many concurrent active members they may be.

# Arguments * limit - the number of active members there may be concurrently.

Attributes

Name	Type
limit	MemberCount

Python

call = substrate.compose_call(
    'CddServiceProviders', 'set_active_members_limit', {'limit': 'u32'}
)

---

swap_member

Swaps out one member remove for another member add.

May only be called from SwapOrigin or root.

# Arguments * origin - Origin representing SwapOrigin or root * remove - IdentityId to be removed from the group. * add - IdentityId to be added in place of remove.

Attributes

Name	Type
remove	IdentityId
add	IdentityId

Python

call = substrate.compose_call(
    'CddServiceProviders', 'swap_member', {
    'add': '[u8; 32]',
    'remove': '[u8; 32]',
}
)

---

Events

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ActiveLimitChanged

The limit of how many active members there can be concurrently was changed.

Attributes

Name	Type	Composition
None	IdentityId	[u8; 32]
None	MemberCount	u32
None	MemberCount	u32

---

Dummy

Phantom member, never used.

Attributes

No attributes

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MemberAdded

The given member was added; see the transaction for who. caller DID, New member DID.

Attributes

Name	Type	Composition
None	IdentityId	[u8; 32]
None	IdentityId	[u8; 32]

---

MemberRemoved

The given member was removed; see the transaction for who. caller DID, member DID that get removed.

Attributes

Name	Type	Composition
None	IdentityId	[u8; 32]
None	IdentityId	[u8; 32]

---

MemberRevoked

The given member has been revoked at specific time-stamp. caller DID, member DID that get revoked.

Attributes

Name	Type	Composition
None	IdentityId	[u8; 32]
None	IdentityId	[u8; 32]

---

MembersReset

The membership was reset; see the transaction for who the new set is. caller DID, List of new members.

Attributes

Name	Type	Composition
None	IdentityId	[u8; 32]
None	Vec<IdentityId>	['[u8; 32]']

---

MembersSwapped

Two members were swapped; see the transaction for who. caller DID, Removed DID, New add DID.

Attributes

Name	Type	Composition
None	IdentityId	[u8; 32]
None	IdentityId	[u8; 32]
None	IdentityId	[u8; 32]

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Storage functions

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ActiveMembers

The current "active" membership, stored as an ordered Vec.

Python

result = substrate.query(
    'CddServiceProviders', 'ActiveMembers', []
)

Return value

['[u8; 32]']

---

ActiveMembersLimit

Limit of how many "active" members there can be.

Python

result = substrate.query(
    'CddServiceProviders', 'ActiveMembersLimit', []
)

Return value

'u32'

---

InactiveMembers

The current "inactive" membership, stored as an ordered Vec.

Python

result = substrate.query(
    'CddServiceProviders', 'InactiveMembers', []
)

Return value

[{'deactivated_at': 'u64', 'expiry': (None, 'u64'), 'id': '[u8; 32]'}]

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Errors

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ActiveMembersLimitExceeded

The limit for the number of concurrent active members for this group has been exceeded.

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ActiveMembersLimitOverflow

Active member limit was greater than maximum committee members limit.

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DuplicateMember

Group member was added already.

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LastMemberCannotQuit

Last member of the committee can not quit.

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MissingCurrentIdentity

Missing current DID

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NoSuchMember

Can't remove a member that doesn't exist.

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OnlyPrimaryKeyAllowed

Only primary key of the identity is allowed.

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