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ZenlinkProtocol


Calls


add_liquidity

Provide liquidity to a pair.

The order of foreign dot effect result.

# Arguments

  • asset_0: Asset which make up pair
  • asset_1: Asset which make up pair
  • amount_0_desired: Maximum amount of asset_0 added to the pair
  • amount_1_desired: Maximum amount of asset_1 added to the pair
  • amount_0_min: Minimum amount of asset_0 added to the pair
  • amount_1_min: Minimum amount of asset_1 added to the pair
  • deadline: Height of the cutoff block of this transaction

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId
amount_0_desired AssetBalance
amount_1_desired AssetBalance
amount_0_min AssetBalance
amount_1_min AssetBalance
deadline T::BlockNumber

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'add_liquidity', {
    'amount_0_desired': 'u128',
    'amount_0_min': 'u128',
    'amount_1_desired': 'u128',
    'amount_1_min': 'u128',
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'deadline': 'u32',
}
)

bootstrap_charge_reward

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId
charge_rewards Vec<(T::AssetId, AssetBalance)>

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'bootstrap_charge_reward', {
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'charge_rewards': [
        (
            {
                'asset_index': 'u64',
                'asset_type': 'u8',
                'chain_id': 'u32',
            },
            'u128',
        ),
    ],
}
)

bootstrap_claim

Claim lp asset from a bootstrap pair

# Arguments

  • asset_0: Asset which make up bootstrap pair
  • asset_1: Asset which make up bootstrap pair
  • deadline: Height of the cutoff block of this transaction

Attributes

Name Type
recipient <T::Lookup as StaticLookup>::Source
asset_0 T::AssetId
asset_1 T::AssetId
deadline T::BlockNumber

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'bootstrap_claim', {
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'deadline': 'u32',
    'recipient': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': (),
        'Raw': 'Bytes',
    },
}
)

bootstrap_contribute

Contribute some asset to a bootstrap pair

# Arguments

  • asset_0: Asset which make up bootstrap pair
  • asset_1: Asset which make up bootstrap pair
  • amount_0_contribute: The amount of asset_0 contribute to this bootstrap pair
  • amount_1_contribute: The amount of asset_1 contribute to this bootstrap pair
  • deadline: Height of the cutoff block of this transaction

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId
amount_0_contribute AssetBalance
amount_1_contribute AssetBalance
deadline T::BlockNumber

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'bootstrap_contribute', {
    'amount_0_contribute': 'u128',
    'amount_1_contribute': 'u128',
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'deadline': 'u32',
}
)

bootstrap_create

Create bootstrap pair

The order of asset don&#x27;t affect result.

# Arguments

  • asset_0: Asset which make up bootstrap pair
  • asset_1: Asset which make up bootstrap pair
  • target_supply_0: Target amount of asset_0 total contribute
  • target_supply_0: Target amount of asset_1 total contribute
  • capacity_supply_0: The max amount of asset_0 total contribute
  • capacity_supply_1: The max amount of asset_1 total contribute
  • end: The earliest ending block.

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId
target_supply_0 AssetBalance
target_supply_1 AssetBalance
capacity_supply_0 AssetBalance
capacity_supply_1 AssetBalance
end T::BlockNumber
rewards Vec<T::AssetId>
limits Vec<(T::AssetId, AssetBalance)>

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'bootstrap_create', {
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'capacity_supply_0': 'u128',
    'capacity_supply_1': 'u128',
    'end': 'u32',
    'limits': [
        (
            {
                'asset_index': 'u64',
                'asset_type': 'u8',
                'chain_id': 'u32',
            },
            'u128',
        ),
    ],
    'rewards': [
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ],
    'target_supply_0': 'u128',
    'target_supply_1': 'u128',
}
)

bootstrap_end

End a bootstrap pair

# Arguments

  • asset_0: Asset which make up bootstrap pair
  • asset_1: Asset which make up bootstrap pair

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'bootstrap_end', {
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
}
)

bootstrap_refund

Contributor refund from disable bootstrap pair

# Arguments

  • asset_0: Asset which make up bootstrap pair
  • asset_1: Asset which make up bootstrap pair

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'bootstrap_refund', {
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
}
)

bootstrap_update

update a bootstrap pair

# Arguments

  • asset_0: Asset which make up bootstrap pair
  • asset_1: Asset which make up bootstrap pair
  • min_contribution_0: The new min amount of asset_0 contribute
  • min_contribution_0: The new min amount of asset_1 contribute
  • target_supply_0: The new target amount of asset_0 total contribute
  • target_supply_0: The new target amount of asset_1 total contribute
  • capacity_supply_0: The new max amount of asset_0 total contribute
  • capacity_supply_1: The new max amount of asset_1 total contribute
  • end: The earliest ending block.

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId
target_supply_0 AssetBalance
target_supply_1 AssetBalance
capacity_supply_0 AssetBalance
capacity_supply_1 AssetBalance
end T::BlockNumber
rewards Vec<T::AssetId>
limits Vec<(T::AssetId, AssetBalance)>

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'bootstrap_update', {
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'capacity_supply_0': 'u128',
    'capacity_supply_1': 'u128',
    'end': 'u32',
    'limits': [
        (
            {
                'asset_index': 'u64',
                'asset_type': 'u8',
                'chain_id': 'u32',
            },
            'u128',
        ),
    ],
    'rewards': [
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ],
    'target_supply_0': 'u128',
    'target_supply_1': 'u128',
}
)

bootstrap_withdraw_reward

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId
recipient <T::Lookup as StaticLookup>::Source

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'bootstrap_withdraw_reward', {
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'recipient': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': (),
        'Raw': 'Bytes',
    },
}
)

create_pair

Create pair by two assets.

The order of foreign dot effect result.

# Arguments

  • asset_0: Asset which make up Pair
  • asset_1: Asset which make up Pair

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'create_pair', {
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
}
)

remove_liquidity

Extract liquidity.

The order of foreign dot effect result.

# Arguments

  • asset_0: Asset which make up pair
  • asset_1: Asset which make up pair
  • amount_asset_0_min: Minimum amount of asset_0 to exact
  • amount_asset_1_min: Minimum amount of asset_1 to exact
  • recipient: Account that accepts withdrawal of assets
  • deadline: Height of the cutoff block of this transaction

Attributes

Name Type
asset_0 T::AssetId
asset_1 T::AssetId
liquidity AssetBalance
amount_0_min AssetBalance
amount_1_min AssetBalance
recipient <T::Lookup as StaticLookup>::Source
deadline T::BlockNumber

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'remove_liquidity', {
    'amount_0_min': 'u128',
    'amount_1_min': 'u128',
    'asset_0': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'asset_1': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'deadline': 'u32',
    'liquidity': 'u128',
    'recipient': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': (),
        'Raw': 'Bytes',
    },
}
)

set_fee_point

Set the protocol fee point.

# Arguments

  • fee_point: 0 means that all exchange fees belong to the liquidity provider. 30 means that all exchange fees belong to the fee receiver.

Attributes

Name Type
fee_point u8

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'set_fee_point', {'fee_point': 'u8'}
)

set_fee_receiver

Set the new receiver of the protocol fee.

# Arguments

  • send_to: (1) Some(receiver): it turn on the protocol fee and the new receiver account. (2) None: it turn off the protocol fee.

Attributes

Name Type
send_to Option<<T::Lookup as StaticLookup>::Source>

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'set_fee_receiver', {
    'send_to': (
        None,
        {
            'Address20': '[u8; 20]',
            'Address32': '[u8; 32]',
            'Id': 'AccountId',
            'Index': (),
            'Raw': 'Bytes',
        },
    ),
}
)

swap_assets_for_exact_assets

Buy amount of foreign by path.

# Arguments

  • amount_out: Amount of the foreign will be bought
  • amount_in_max: Maximum amount of sold foreign
  • path: path can convert to pairs.
  • recipient: Account that receive the target foreign
  • deadline: Height of the cutoff block of this transaction

Attributes

Name Type
amount_out AssetBalance
amount_in_max AssetBalance
path Vec<T::AssetId>
recipient <T::Lookup as StaticLookup>::Source
deadline T::BlockNumber

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'swap_assets_for_exact_assets', {
    'amount_in_max': 'u128',
    'amount_out': 'u128',
    'deadline': 'u32',
    'path': [
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ],
    'recipient': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': (),
        'Raw': 'Bytes',
    },
}
)

swap_exact_assets_for_assets

Sell amount of foreign by path.

# Arguments

  • amount_in: Amount of the foreign will be sold
  • amount_out_min: Minimum amount of target foreign
  • path: path can convert to pairs.
  • recipient: Account that receive the target foreign
  • deadline: Height of the cutoff block of this transaction

Attributes

Name Type
amount_in AssetBalance
amount_out_min AssetBalance
path Vec<T::AssetId>
recipient <T::Lookup as StaticLookup>::Source
deadline T::BlockNumber

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'swap_exact_assets_for_assets', {
    'amount_in': 'u128',
    'amount_out_min': 'u128',
    'deadline': 'u32',
    'path': [
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ],
    'recipient': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': (),
        'Raw': 'Bytes',
    },
}
)

transfer

Move some assets from one holder to another.

# Arguments

  • asset_id: The foreign id.
  • target: The receiver of the foreign.
  • amount: The amount of the foreign to transfer.

Attributes

Name Type
asset_id T::AssetId
recipient <T::Lookup as StaticLookup>::Source
amount AssetBalance

Python

call = substrate.compose_call(
    'ZenlinkProtocol', 'transfer', {
    'amount': 'u128',
    'asset_id': {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
    'recipient': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': (),
        'Raw': 'Bytes',
    },
}
)

Events


AssetSwap

Transact in trading [owner, recipient, swap_path, balances]

Attributes

Name Type Composition
None T::AccountId AccountId
None T::AccountId AccountId
None Vec<T::AssetId> [{'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}]
None Vec<AssetBalance> ['u128']

BootstrapClaim

Claim a bootstrap pair. [bootstrap_pair_account, claimer, receiver, asset_0, asset_1, asset_0_refund, asset_1_refund, lp_amount]

Attributes

Name Type Composition
None T::AccountId AccountId
None T::AccountId AccountId
None T::AccountId AccountId
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128
None AssetBalance u128
None AssetBalance u128

BootstrapContribute

Contribute to bootstrap pair. [who, asset_0, asset_0_contribute, asset_1_contribute]

Attributes

Name Type Composition
None T::AccountId AccountId
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128

BootstrapCreated

Create a bootstrap pair. [bootstrap_pair_account, asset_0, asset_1, total_supply_0,total_supply_1, capacity_supply_0,capacity_supply_1, end]

Attributes

Name Type Composition
None T::AccountId AccountId
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128
None AssetBalance u128
None AssetBalance u128
None AssetBalance u128
None T::BlockNumber u32

BootstrapEnd

A bootstrap pair end. [asset_0, asset_1, asset_0_amount, asset_1_amount, total_lp_supply]

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128
None AssetBalance u128
None AssetBalance u128

BootstrapRefund

Refund from disable bootstrap pair. [bootstrap_pair_account, caller, asset_0, asset_1, asset_0_refund, asset_1_refund]

Attributes

Name Type Composition
None T::AccountId AccountId
None T::AccountId AccountId
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128
None AssetBalance u128

BootstrapUpdate

Update a bootstrap pair. [caller, asset_0, asset_1, total_supply_0,total_supply_1, capacity_supply_0,capacity_supply_1]

Attributes

Name Type Composition
None T::AccountId AccountId
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128
None AssetBalance u128
None AssetBalance u128
None AssetBalance u128
None T::BlockNumber u32

Burned

Some assets were burned. [asset_id, owner, amount]

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AccountId AccountId
None AssetBalance u128

ChargeReward

Charge reward into a bootstrap.

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AccountId AccountId
None Vec<(T::AssetId, AssetBalance)> [({'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}, 'u128')]

DistributeReward

Bootstrap distribute some rewards to contributors.

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AccountId AccountId
None Vec<(T::AssetId, AssetBalance)> [({'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}, 'u128')]

LiquidityAdded

Add liquidity. [owner, asset_0, asset_1, add_balance_0, add_balance_1, mint_balance_lp]

Attributes

Name Type Composition
None T::AccountId AccountId
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128
None AssetBalance u128
None AssetBalance u128

LiquidityRemoved

Remove liquidity. [owner, recipient, asset_0, asset_1, rm_balance_0, rm_balance_1, burn_balance_lp]

Attributes

Name Type Composition
None T::AccountId AccountId
None T::AccountId AccountId
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None AssetBalance u128
None AssetBalance u128
None AssetBalance u128

Minted

Some assets were minted. [asset_id, owner, amount]

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AccountId AccountId
None AssetBalance u128

PairCreated

Swap Create a trading pair. [asset_0, asset_1]

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}

Transferred

Foreign Asset Some assets were transferred. [asset_id, owner, target, amount]

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AccountId AccountId
None T::AccountId AccountId
None AssetBalance u128

TransferredToParachain

Transfer by xcm Transferred to parachain. [asset_id, src, para_id, dest, amount, used_weight]

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AccountId AccountId
None ParaId u32
None T::AccountId AccountId
None AssetBalance u128
None u64 u64

WithdrawReward

Withdraw all reward from a bootstrap.

Attributes

Name Type Composition
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AssetId {'chain_id': 'u32', 'asset_type': 'u8', 'asset_index': 'u64'}
None T::AccountId AccountId

Storage functions


BootstrapEndStatus

End status of bootstrap

BootstrapEndStatus: map bootstrap pair => pairStatus

Python

result = substrate.query(
    'ZenlinkProtocol', 'BootstrapEndStatus', [
    (
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ),
]
)

Return value

{
    'Bootstrap': {
        'accumulated_supply': ('u128', 'u128'),
        'capacity_supply': ('u128', 'u128'),
        'end_block_number': 'u32',
        'pair_account': 'AccountId',
        'target_supply': ('u128', 'u128'),
    },
    'Disable': None,
    'Trading': {'pair_account': 'AccountId', 'total_supply': 'u128'},
}

BootstrapLimits

Python

result = substrate.query(
    'ZenlinkProtocol', 'BootstrapLimits', [
    (
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ),
]
)

Return value

'scale_info::501'

BootstrapPersonalSupply

Python

result = substrate.query(
    'ZenlinkProtocol', 'BootstrapPersonalSupply', [
    (
        (
            {
                'asset_index': 'u64',
                'asset_type': 'u8',
                'chain_id': 'u32',
            },
            {
                'asset_index': 'u64',
                'asset_type': 'u8',
                'chain_id': 'u32',
            },
        ),
        'AccountId',
    ),
]
)

Return value

('u128', 'u128')

BootstrapRewards

Python

result = substrate.query(
    'ZenlinkProtocol', 'BootstrapRewards', [
    (
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ),
]
)

Return value

'scale_info::501'

FeeMeta

(Option<fee_receiver>, fee_point)

Python

result = substrate.query(
    'ZenlinkProtocol', 'FeeMeta', []
)

Return value

((None, 'AccountId'), 'u8')

ForeignLedger

Foreign foreign storage The number of units of assets held by any given account.

Python

result = substrate.query(
    'ZenlinkProtocol', 'ForeignLedger', [
    (
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
        'AccountId',
    ),
]
)

Return value

'u128'

ForeignList

Python

result = substrate.query(
    'ZenlinkProtocol', 'ForeignList', []
)

Return value

[{'asset_index': 'u64', 'asset_type': 'u8', 'chain_id': 'u32'}]

ForeignMeta

TWOX-NOTE: AssetId is trusted, so this is safe.

Python

result = substrate.query(
    'ZenlinkProtocol', 'ForeignMeta', [
    {
        'asset_index': 'u64',
        'asset_type': 'u8',
        'chain_id': 'u32',
    },
]
)

Return value

'u128'

KLast

Refer: https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2Pair.sol#L88 Last unliquidated protocol fee;

Python

result = substrate.query(
    'ZenlinkProtocol', 'KLast', [
    (
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ),
]
)

Return value

'scale_info::493'

LiquidityPairs

Python

result = substrate.query(
    'ZenlinkProtocol', 'LiquidityPairs', [
    (
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ),
]
)

Return value

(None, {'asset_index': 'u64', 'asset_type': 'u8', 'chain_id': 'u32'})

PairStatuses

(T::AssetId, T::AssetId) -> PairStatus

Python

result = substrate.query(
    'ZenlinkProtocol', 'PairStatuses', [
    (
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
        {
            'asset_index': 'u64',
            'asset_type': 'u8',
            'chain_id': 'u32',
        },
    ),
]
)

Return value

{
    'Bootstrap': {
        'accumulated_supply': ('u128', 'u128'),
        'capacity_supply': ('u128', 'u128'),
        'end_block_number': 'u32',
        'pair_account': 'AccountId',
        'target_supply': ('u128', 'u128'),
    },
    'Disable': None,
    'Trading': {'pair_account': 'AccountId', 'total_supply': 'u128'},
}

Constants


PalletId

This pallet id.

Value

'0x2f7a656e6c696e6b'

Python

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

Errors


AccountIdBadLocation

Location given was invalid or unsupported.


AssetNotExists

Asset does not exist.


ChargeRewardParamsError

Charge bootstrap extrinsic args has error,


Deadline

Transaction block number is larger than the end block number.


DeniedCreatePair

Trading pair can&#x27;t be created.


DeniedTransferToSelf

Transfer to self by XCM message.


DenyRefund

Bootstrap deny refund


DisableBootstrap

Bootstrap is disable


ExcessiveSoldAmount

Sold amount is more than exception.


ExecutionFailed

XCM execution failed.


ExistRewardsInBootstrap

Exist some reward in bootstrap,


IncorrectAssetAmountRange

Incorrect foreign amount range.


InsufficientAssetBalance

Account balance must be greater than or equal to the transfer amount.


InsufficientLiquidity

Liquidity is not enough.


InsufficientPairReserve

Trading pair does have enough foreign.


InsufficientTargetAmount

Get target amount is less than exception.


InvalidContributionAmount

Amount of contribution is invalid.


InvalidFeePoint

Invalid fee_point


InvalidPath

Can&#x27;t find pair though trading path.


InvariantCheckFailed

Can&#x27;t pass the K value check


NativeBalanceTooLow

Account native currency balance must be greater than ExistentialDeposit.


NoRewardTokens

Reward of bootstrap is not set.


NotInBootstrap

Pair is not in bootstrap


NotQualifiedAccount

Not eligible to contribute


Overflow

Overflow.


PairAlreadyExists

Trading pair already exists.


PairCreateForbidden

Created pair can&#x27;t create now


PairNotExists

Trading pair does not exist.


RequireProtocolAdmin

Require the admin who can reset the admin and receiver of the protocol fee.


RequireProtocolAdminCandidate

Require the admin candidate who can become new admin after confirm.


TargetChainNotRegistered

Not in ZenlinkRegistedParaChains.


UnqualifiedBootstrap

Amount of contribution is invalid.


UnsupportedAssetType

Unsupported AssetId by this ZenlinkProtocol Version.


ZeroContribute

Zero contribute in bootstrap