Msg/MsgUpdateClassFee

The class fee can be updated:

• message validation
• when the authority is a governance account address
• the class fee is updated

Message validation

a valid message

Given the message

{
  "authority":"regen1depk54cuajgkzea6zpgkq36tnjwdzv4ak663u6",
  "fee": {
    "denom":"uregen",
    "amount":"1000"
  }
}

When the message is validated

Then expect no error.

a valid message removing the fee

Given the message

{
  "authority":"regen1depk54cuajgkzea6zpgkq36tnjwdzv4ak663u6"
}

When the message is validated

Then expect no error.

an error is returned if fee denom is not a valid bank denom

Given the message

{
    "authority": "regen1depk54cuajgkzea6zpgkq36tnjwdzv4ak663u6",
    "fee": {
      "denom": "1",
      "amount": "1000"
    }
}

When the message is validated

Then expect the error "invalid denom: 1: invalid request".

The authority is a governance account

the authority is a governance account

When alice attempts to update class fee with properties

{
  "authority": "regen1nzh226hxrsvf4k69sa8v0nfuzx5vgwkczk8j68",
  "fee": {
    "denom": "uregen",
    "amount": "1000"
  }
}

Then expect no error.

the authority is not a governance account

When alice attempts to update class fee with properties

{
  "authority": "regen1fua8speyxgempgy06gpfs0p4z32zznkqakm57s",
  "fee": {
    "denom": "uregen",
    "amount": "1000"
  }
}

Then expect error contains "expected gov account as only signer for proposal message".

The class fee is updated

the class fee is updated

When alice attempts to update class fee with properties

{
  "authority":"regen1nzh226hxrsvf4k69sa8v0nfuzx5vgwkczk8j68",
  "fee": {
    "denom": "uregen",
    "amount": "1000"
  }
}

Then expect class fee with properties

{
  "fee": {
    "denom": "uregen",
    "amount": "1000"
  }
}

the class fee is removed

When alice attempts to update class fee with properties

{
  "authority":"regen1nzh226hxrsvf4k69sa8v0nfuzx5vgwkczk8j68"
}

Then expect class fee with properties

{
  "fee": {}
}

the class fee is removed when amount is zero

When alice attempts to update class fee with properties

{
  "authority":"regen1nzh226hxrsvf4k69sa8v0nfuzx5vgwkczk8j68",
  "fee":{
    "denom": "uregen",
    "amount": "0"
  }
}

Then expect class fee with properties

{
  "fee": {}
}