4

Does .257 burn fee for new account needs to be put in the transaction operation?

    operations.contents.push({
      kind: 'transaction',
      counter,
      fee: min_fee + burn_fee, // <-- here?
      gas_limit,
      storage_limit,
      amount,
      source,
      destination
    })

The sender should first query (through RPC) to see if the destination address is new and adjust fee accordingly? That's a bit tricky.

I'll have as fee something like minimum_fee=1257 + burn_fee=257000 What if my destination address is a smart contract? my minimum_fee must be adjusted?

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2
  • There is no such thing as a "burn fee". Fees and burns are different, completely separate, things. A fee is paid to the baker, a burn is destroyed. The burn is accounted for in the storage_limit. I'm not sure what specific question you really want to ask. – Tom Mar 30 '19 at 1:03
  • I read about that "burn fee" in another answer tezos.stackexchange.com/questions/106/fees-in-proto-003 needed to activate new account. Whatever you wanna call it I mean "activation fee" – Rocco Musolino Mar 30 '19 at 11:24
4

Fees and burns are different, completely separate, things. A fee is paid to the baker, a burn is destroyed.

The 0.257 burn for allocating a new implicit account is, indeed, a burn, representing the storage cost of maintaining an account in the node state indefinitely.

When an operation requires a storage burn, you must indicate in the storage_limit how much (measured in logical bytes) you are willing to burn (according to the constant cost_per_byte = 1000 mutez = 0.001 tez).

{
  kind: 'transaction',
  fee: min_fee,
  storage_limit: 257,
  ...
}

The storage_limit: 257 says "I'm willing to burn up to 257*cost_per_byte = 0.257 tez for this operation".

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4
  • what wasn't clear is that that '.257 burn fee should be kept as account balance. Thanks for reply. – Rocco Musolino Apr 2 '19 at 16:07
  • When does an operation require a storage burn? – arvidj Feb 7 '20 at 10:51
  • @arvidj when you're sending xtz to an account that has not been revealed on the chain yet. – Rocco Musolino Mar 28 '20 at 12:59
  • @RoccoMusolino isn't the revealing another operation, when sending from an account for the first time, which costs a fee (not burn)? – CherryDT May 8 '20 at 21:32

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