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feat: Handle correct probing of genesis block (#57)

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Santiago Carmuega 2022-02-24 11:45:37 -03:00 • committed by GitHub
parent cd85e2dae1
commit 8ccc9d48f7
2 changed files with 13 additions and 0 deletions
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1
pallas-primitives/src/byron/test_data/genesis.block Normal file
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12
pallas-primitives/src/probing.rs
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@ -7,6 +7,7 @@ use crate::Era;
#[derive(Debug)] #[derive(Debug)]
pub enum Outcome { pub enum Outcome {
Matched(Era), Matched(Era),
GenesisBlock,
Inconclusive, Inconclusive,
} }
@ -22,6 +23,7 @@ pub fn probe_block_cbor_era(cbor: &[u8]) -> Outcome {
match tokenizer.next() { match tokenizer.next() {
Some(Ok(Token::U8(variant))) => match variant { Some(Ok(Token::U8(variant))) => match variant {
0 => Outcome::GenesisBlock,
1 => Outcome::Matched(Era::Byron), 1 => Outcome::Matched(Era::Byron),
2 => Outcome::Matched(Era::Shelley), 2 => Outcome::Matched(Era::Shelley),
3 => Outcome::Matched(Era::Allegra), 3 => Outcome::Matched(Era::Allegra),
@ -37,6 +39,16 @@ pub fn probe_block_cbor_era(cbor: &[u8]) -> Outcome {
mod tests { mod tests {
use super::*; use super::*;
#[test]
fn genesis_block_detected() {
let block_str = include_str!("byron/test_data/genesis.block");
let bytes = hex::decode(block_str).unwrap();
let inference = probe_block_cbor_era(bytes.as_slice());
assert!(matches!(inference, Outcome::GenesisBlock));
}
#[test] #[test]
fn byron_block_detected() { fn byron_block_detected() {
let block_str = include_str!("byron/test_data/test1.block"); let block_str = include_str!("byron/test_data/test1.block");