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¶

50000000000

Python¶

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

PalletId¶

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

Value¶

'0x70792f6366756e64'

Python¶

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

RemoveKeysLimit¶

Max number of storage keys to remove per extrinsic call.

Value¶

Python¶

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

Errors¶

AlreadyInNewRaise¶

The fund is already in NewRaise

BidOrLeaseActive¶

This parachain'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