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Fee

Calls

set_issue_fee

Changes the issue fee percentage (only executable by the Root account)

# Arguments

  • origin - signing account
  • fee - the new fee

Attributes

Name Type
fee UnsignedFixedPoint<T>

Python

call = substrate.compose_call(
    'Fee', 'set_issue_fee', {'fee': 'u128'}
)

set_issue_griefing_collateral

Changes the issue griefing collateral percentage (only executable by the Root account)

# Arguments

  • origin - signing account
  • griefing_collateral - the new griefing collateral

Attributes

Name Type
griefing_collateral UnsignedFixedPoint<T>

Python

call = substrate.compose_call(
    'Fee', 'set_issue_griefing_collateral', {'griefing_collateral': 'u128'}
)

set_premium_redeem_fee

Changes the premium redeem fee percentage (only executable by the Root account)

# Arguments

  • origin - signing account
  • fee - the new fee

Attributes

Name Type
fee UnsignedFixedPoint<T>

Python

call = substrate.compose_call(
    'Fee', 'set_premium_redeem_fee', {'fee': 'u128'}
)

set_punishment_fee

Changes the punishment fee percentage (only executable by the Root account)

# Arguments

  • origin - signing account
  • fee - the new fee

Attributes

Name Type
fee UnsignedFixedPoint<T>

Python

call = substrate.compose_call(
    'Fee', 'set_punishment_fee', {'fee': 'u128'}
)

set_redeem_fee

Changes the redeem fee percentage (only executable by the Root account)

# Arguments

  • origin - signing account
  • fee - the new fee

Attributes

Name Type
fee UnsignedFixedPoint<T>

Python

call = substrate.compose_call(
    'Fee', 'set_redeem_fee', {'fee': 'u128'}
)

set_replace_griefing_collateral

Changes the replace griefing collateral percentage (only executable by the Root account)

# Arguments

  • origin - signing account
  • griefing_collateral - the new griefing collateral

Attributes

Name Type
griefing_collateral UnsignedFixedPoint<T>

Python

call = substrate.compose_call(
    'Fee', 'set_replace_griefing_collateral', {'griefing_collateral': 'u128'}
)

Storage functions

IssueFee

# Issue Fee share that users need to pay to issue tokens.

Python

result = substrate.query(
    'Fee', 'IssueFee', []
)

Return value

'u128'

IssueGriefingCollateral

Default griefing collateral (e.g. DOT/KSM) as a percentage of the locked collateral of a Vault a user has to lock to issue tokens.

Python

result = substrate.query(
    'Fee', 'IssueGriefingCollateral', []
)

Return value

'u128'

PremiumRedeemFee

# Vault Registry If users execute a redeem with a Vault flagged for premium redeem, they can earn a collateral premium, slashed from the Vault.

Python

result = substrate.query(
    'Fee', 'PremiumRedeemFee', []
)

Return value

'u128'

PunishmentFee

Fee that a Vault has to pay if it fails to execute redeem or replace requests (for redeem, on top of the slashed value of the request). The fee is paid in collateral based on the token amount at the current exchange rate.

Python

result = substrate.query(
    'Fee', 'PunishmentFee', []
)

Return value

'u128'

RedeemFee

# Redeem Fee share that users need to pay to redeem tokens.

Python

result = substrate.query(
    'Fee', 'RedeemFee', []
)

Return value

'u128'

ReplaceGriefingCollateral

# Replace Default griefing collateral (e.g. DOT/KSM) as a percentage of the to-be-locked collateral of the new Vault. This collateral will be slashed and allocated to the replacing Vault if the to-be-replaced Vault does not transfer the Stellar assets on time.

Python

result = substrate.query(
    'Fee', 'ReplaceGriefingCollateral', []
)

Return value

'u128'

Constants

FeePalletId

The fee module id, used for deriving its sovereign account ID.

Value

'0x6d6f642f66656573'

Python

constant = substrate.get_constant('Fee', 'FeePalletId')

MaxExpectedValue

Maximum expected value to set the storage fields to.

Value

1000000000000000000

Python

constant = substrate.get_constant('Fee', 'MaxExpectedValue')

Errors

AboveMaxExpectedValue

Value exceeds the expected upper bound for storage fields in this pallet.

Overflow

TryIntoIntError

Unable to convert value.