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Crowdloan


Calls


add_memo

See [Pallet::add_memo].

Attributes

Name Type
index ParaId
memo Vec<u8>

Python

call = substrate.compose_call(
    'Crowdloan', 'add_memo', {'index': 'u32', 'memo': 'Bytes'}
)

contribute

See [Pallet::contribute].

Attributes

Name Type
index ParaId
value BalanceOf<T>
signature Option<MultiSignature>

Python

call = substrate.compose_call(
    'Crowdloan', 'contribute', {
    'index': 'u32',
    'signature': (
        None,
        {
            'Ecdsa': '[u8; 65]',
            'Ed25519': '[u8; 64]',
            'Sr25519': '[u8; 64]',
        },
    ),
    'value': 'u128',
}
)

contribute_all

See [Pallet::contribute_all].

Attributes

Name Type
index ParaId
signature Option<MultiSignature>

Python

call = substrate.compose_call(
    'Crowdloan', 'contribute_all', {
    'index': 'u32',
    'signature': (
        None,
        {
            'Ecdsa': '[u8; 65]',
            'Ed25519': '[u8; 64]',
            'Sr25519': '[u8; 64]',
        },
    ),
}
)

create

See [Pallet::create].

Attributes

Name Type
index ParaId
cap BalanceOf<T>
first_period LeasePeriodOf<T>
last_period LeasePeriodOf<T>
end BlockNumberFor<T>
verifier Option<MultiSigner>

Python

call = substrate.compose_call(
    'Crowdloan', 'create', {
    'cap': 'u128',
    'end': 'u32',
    'first_period': 'u32',
    'index': 'u32',
    'last_period': 'u32',
    'verifier': (
        None,
        {
            'Ecdsa': '[u8; 33]',
            'Ed25519': '[u8; 32]',
            'Sr25519': '[u8; 32]',
        },
    ),
}
)

dissolve

See [Pallet::dissolve].

Attributes

Name Type
index ParaId

Python

call = substrate.compose_call(
    'Crowdloan', 'dissolve', {'index': 'u32'}
)

edit

See [Pallet::edit].

Attributes

Name Type
index ParaId
cap BalanceOf<T>
first_period LeasePeriodOf<T>
last_period LeasePeriodOf<T>
end BlockNumberFor<T>
verifier Option<MultiSigner>

Python

call = substrate.compose_call(
    'Crowdloan', 'edit', {
    'cap': 'u128',
    'end': 'u32',
    'first_period': 'u32',
    'index': 'u32',
    'last_period': 'u32',
    'verifier': (
        None,
        {
            'Ecdsa': '[u8; 33]',
            'Ed25519': '[u8; 32]',
            'Sr25519': '[u8; 32]',
        },
    ),
}
)

poke

See [Pallet::poke].

Attributes

Name Type
index ParaId

Python

call = substrate.compose_call(
    'Crowdloan', 'poke', {'index': 'u32'}
)

refund

See [Pallet::refund].

Attributes

Name Type
index ParaId

Python

call = substrate.compose_call(
    'Crowdloan', 'refund', {'index': 'u32'}
)

withdraw

See [Pallet::withdraw].

Attributes

Name Type
who T::AccountId
index ParaId

Python

call = substrate.compose_call(
    'Crowdloan', 'withdraw', {'index': 'u32', 'who': 'AccountId'}
)

Events


AddedToNewRaise

A parachain has been moved to NewRaise

Attributes

Name Type Composition
para_id ParaId u32

AllRefunded

All loans in a fund have been refunded.

Attributes

Name Type Composition
para_id ParaId u32

Contributed

Contributed to a crowd sale.

Attributes

Name Type Composition
who T::AccountId AccountId
fund_index ParaId u32
amount BalanceOf<T> u128

Created

Create a new crowdloaning campaign.

Attributes

Name Type Composition
para_id ParaId u32

Dissolved

Fund is dissolved.

Attributes

Name Type Composition
para_id ParaId u32

Edited

The configuration to a crowdloan has been edited.

Attributes

Name Type Composition
para_id ParaId u32

HandleBidResult

The result of trying to submit a new bid to the Slots pallet.

Attributes

Name Type Composition
para_id ParaId u32
result DispatchResult {'Ok': (), 'Err': {'Other': None, 'CannotLookup': None, 'BadOrigin': None, 'Module': {'index': 'u8', 'error': '[u8; 4]'}, 'ConsumerRemaining': None, 'NoProviders': None, 'TooManyConsumers': None, 'Token': ('FundsUnavailable', 'OnlyProvider', 'BelowMinimum', 'CannotCreate', 'UnknownAsset', 'Frozen', 'Unsupported', 'CannotCreateHold', 'NotExpendable', 'Blocked'), 'Arithmetic': ('Underflow', 'Overflow', 'DivisionByZero'), 'Transactional': ('LimitReached', 'NoLayer'), 'Exhausted': None, 'Corruption': None, 'Unavailable': None, 'RootNotAllowed': None}}

MemoUpdated

A memo has been updated.

Attributes

Name Type Composition
who T::AccountId AccountId
para_id ParaId u32
memo Vec<u8> Bytes

PartiallyRefunded

The loans in a fund have been partially dissolved, i.e. there are some left over child keys that still need to be killed.

Attributes

Name Type Composition
para_id ParaId u32

Withdrew

Withdrew full balance of a contributor.

Attributes

Name Type Composition
who T::AccountId AccountId
fund_index ParaId u32
amount BalanceOf<T> u128

Storage functions


EndingsCount

The number of auctions that have entered into their ending period so far.

Python

result = substrate.query(
    'Crowdloan', 'EndingsCount', []
)

Return value

'u32'

Funds

Info on all of the funds.

Python

result = substrate.query(
    'Crowdloan', 'Funds', ['u32']
)

Return value

{
    'cap': 'u128',
    'deposit': 'u128',
    'depositor': 'AccountId',
    'end': 'u32',
    'first_period': 'u32',
    'fund_index': 'u32',
    'last_contribution': {'Ending': 'u32', 'Never': None, 'PreEnding': 'u32'},
    'last_period': 'u32',
    'raised': 'u128',
    'verifier': (
        None,
        {'Ecdsa': '[u8; 33]', 'Ed25519': '[u8; 32]', 'Sr25519': '[u8; 32]'},
    ),
}

NewRaise

The funds that have had additional contributions during the last block. This is used in order to determine which funds should submit new or updated bids.

Python

result = substrate.query(
    'Crowdloan', 'NewRaise', []
)

Return value

['u32']

NextFundIndex

Tracker for the next available fund index

Python

result = substrate.query(
    'Crowdloan', 'NextFundIndex', []
)

Return value

'u32'

Constants


MinContribution

The minimum amount that may be contributed into a crowdloan. Should almost certainly be at least ExistentialDeposit.

Value

999999999000

Python

constant = substrate.get_constant('Crowdloan', 'MinContribution')

PalletId

PalletId for the crowdloan pallet. An appropriate value could be PalletId(*b&quot;py/cfund&quot;)

Value

'0x70792f6366756e64'

Python

constant = substrate.get_constant('Crowdloan', 'PalletId')

RemoveKeysLimit

Max number of storage keys to remove per extrinsic call.

Value

1000

Python

constant = substrate.get_constant('Crowdloan', 'RemoveKeysLimit')

Errors


AlreadyInNewRaise

The fund is already in NewRaise


BidOrLeaseActive

This parachain&#x27;s bid or lease is still active and withdraw cannot yet begin.


CannotEndInPast

The campaign ends before the current block number. The end must be in the future.


CapExceeded

Contributions exceed maximum amount.


ContributionPeriodOver

The contribution period has already ended.


ContributionTooSmall

The contribution was below the minimum, MinContribution.


EndTooFarInFuture

The end date for this crowdloan is not sensible.


FirstPeriodInPast

The current lease period is more than the first lease period.


FirstPeriodTooFarInFuture

The first lease period needs to at least be less than 3 max_value.


FundNotEnded

The crowdloan has not yet ended.


InvalidOrigin

The origin of this call is invalid.


InvalidParaId

Invalid fund index.


InvalidSignature

Invalid signature.


LastPeriodBeforeFirstPeriod

Last lease period must be greater than first lease period.


LastPeriodTooFarInFuture

The last lease period cannot be more than 3 periods after the first period.


LeaseActive

This parachain lease is still active and retirement cannot yet begin.


MemoTooLarge

The provided memo is too large.


NoContributions

There are no contributions stored in this crowdloan.


NoLeasePeriod

A lease period has not started yet, due to an offset in the starting block.


NotParachain

This crowdloan does not correspond to a parachain.


NotReadyToDissolve

The crowdloan is not ready to dissolve. Potentially still has a slot or in retirement period.


Overflow

There was an overflow.


VrfDelayInProgress

No contributions allowed during the VRF delay