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Clarify indexes in `new_ordered_outputs` (#2510)

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teor 2021-07-21 10:53:32 +10:00 committed by GitHub
parent 170e343905
commit 6df17ff78c
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1 changed files with 11 additions and 4 deletions
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15
zebra-chain/src/transparent/utxo.rs
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@ -1,6 +1,6 @@
//! Unspent transparent output data structures and functions. //! Unspent transparent output data structures and functions.
use std::collections::HashMap; use std::{collections::HashMap, convert::TryInto};
use crate::{ use crate::{
block::{self, Block}, block::{self, Block},
@ -102,10 +102,17 @@ pub fn new_ordered_outputs(
.enumerate() .enumerate()
{ {
let from_coinbase = transaction.is_coinbase(); let from_coinbase = transaction.is_coinbase();
for (index, output) in transaction.outputs().iter().cloned().enumerate() { for (output_index_in_transaction, output) in
let index = index as u32; transaction.outputs().iter().cloned().enumerate()
{
let output_index_in_transaction = output_index_in_transaction
.try_into()
.expect("unexpectedly large number of outputs");
new_ordered_outputs.insert( new_ordered_outputs.insert(
transparent::OutPoint { hash, index }, transparent::OutPoint {
hash,
index: output_index_in_transaction,
},
OrderedUtxo::new(output, height, from_coinbase, tx_index_in_block), OrderedUtxo::new(output, height, from_coinbase, tx_index_in_block),
); );
} }