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fix(applying): contemplate fee rules for genesis UTxOs (#332)

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This commit is contained in:
Maico Leberle 2023-11-14 17:42:59 -03:00 • committed by GitHub
parent fdbdcc3a4f
commit 99b4c1fa4e
6 changed files with 102 additions and 22 deletions
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38
pallas-applying/src/byron.rs
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@ -74,7 +74,11 @@ fn check_outs_have_lovelace(tx: &Tx) -> ValidationResult {
fn check_fees(tx: &Tx, size: &u64, utxos: &UTxOs, prot_pps: &ByronProtParams) -> ValidationResult {
let mut inputs_balance: u64 = 0;
let mut only_redeem_utxos: bool = true;
for input in tx.inputs.iter() {
if !is_redeem_utxo(input, utxos) {
only_redeem_utxos = false;
}
match utxos
.get(&MultiEraInput::from_byron(input))
.and_then(MultiEraOutput::as_byron)
@ -83,16 +87,34 @@ fn check_fees(tx: &Tx, size: &u64, utxos: &UTxOs, prot_pps: &ByronProtParams) ->
None => return Err(ValidationError::UnableToComputeFees),
}
}
let mut outputs_balance: u64 = 0;
for output in tx.outputs.iter() {
outputs_balance += output.amount
if only_redeem_utxos {
Ok(())
} else {
let mut outputs_balance: u64 = 0;
for output in tx.outputs.iter() {
outputs_balance += output.amount
}
let total_balance: u64 = inputs_balance - outputs_balance;
let min_fees: u64 = prot_pps.min_fees_const + prot_pps.min_fees_factor * size;
if total_balance < min_fees {
Err(ValidationError::FeesBelowMin)
} else {
Ok(())
}
}
let total_balance: u64 = inputs_balance - outputs_balance;
let min_fees: u64 = prot_pps.min_fees_const + prot_pps.min_fees_factor * size;
if total_balance < min_fees {
return Err(ValidationError::FeesBelowMin);
}
fn is_redeem_utxo(input: &TxIn, utxos: &UTxOs) -> bool {
match find_tx_out(input, utxos) {
Ok(tx_out) => {
let address: ByronAddress = mk_byron_address(&tx_out.address);
match address.decode() {
Ok(addr_payload) => matches!(addr_payload.addrtype, AddrType::Redeem),
_ => false,
}
}
_ => false,
}
Ok(())
}
fn check_size(size: &u64, prot_pps: &ByronProtParams) -> ValidationResult {