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feat(traverse): Introduce time helpers (#234)

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This commit is contained in:
Santiago Carmuega 2023-03-13 22:55:44 +01:00 • committed by GitHub
parent c1446ebea5
commit 7b3708ac46
7 changed files with 250 additions and 50 deletions
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17
pallas-traverse/src/header.rs
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@ -5,7 +5,7 @@ use pallas_codec::minicbor;
use pallas_crypto::hash::{Hash, Hasher};
use pallas_primitives::{alonzo, babbage, byron};
use crate::{time, Era, Error, MultiEraHeader, OriginalHash};
use crate::{wellknown::GenesisValues, Era, Error, MultiEraHeader, OriginalHash};
impl<'b> MultiEraHeader<'b> {
pub fn decode(tag: u8, subtag: Option<u8>, cbor: &'b [u8]) -> Result<Self, Error> {
@ -56,15 +56,16 @@ impl<'b> MultiEraHeader<'b> {
pub fn slot(&self) -> u64 {
match self {
MultiEraHeader::EpochBoundary(x) => {
time::byron_epoch_slot_to_absolute(x.consensus_data.epoch_id, 0)
}
MultiEraHeader::AlonzoCompatible(x) => x.header_body.slot,
MultiEraHeader::Babbage(x) => x.header_body.slot,
MultiEraHeader::Byron(x) => time::byron_epoch_slot_to_absolute(
x.consensus_data.0.epoch,
x.consensus_data.0.slot,
),
MultiEraHeader::EpochBoundary(x) => {
let genesis = GenesisValues::default();
genesis.relative_slot_to_absolute(x.consensus_data.epoch_id, 0)
}
MultiEraHeader::Byron(x) => {
let genesis = GenesisValues::default();
genesis.relative_slot_to_absolute(x.consensus_data.0.epoch, x.consensus_data.0.slot)
}
}
}