converted errors from error_chain to failure
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394e4ce140
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@ -12,7 +12,7 @@ categories = ["cryptography"]
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[dependencies]
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byteorder = "1.2.3"
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error-chain = "0.12.0"
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failure = "0.1"
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init_with = "1.1.0"
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log = "0.4.1"
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pairing = { version = "0.14.2", features = ["u128-support"] }
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21
src/error.rs
21
src/error.rs
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@ -1,10 +1,13 @@
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error_chain! {
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errors {
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NotEnoughShares {
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description("not enough signature shares")
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}
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DuplicateEntry {
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description("signature shares contain a duplicated index")
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}
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}
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//! Crypto errors.
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/// A crypto error.
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#[derive(Clone, Eq, PartialEq, Debug, Fail)]
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pub enum Error {
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#[fail(display = "Not enough signature shares")]
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NotEnoughShares,
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#[fail(display = "Signature shares contain a duplicated index")]
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DuplicateEntry,
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}
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/// A crypto result.
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pub type Result<T> = ::std::result::Result<T, Error>;
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@ -6,7 +6,7 @@
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extern crate bincode;
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extern crate byteorder;
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#[macro_use]
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extern crate error_chain;
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extern crate failure;
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extern crate init_with;
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#[macro_use]
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extern crate log;
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@ -39,7 +39,7 @@ use pairing::{CurveAffine, CurveProjective, Engine, Field};
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use rand::{ChaChaRng, OsRng, Rng, SeedableRng};
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use ring::digest;
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use error::{ErrorKind, Result};
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use error::{Error, Result};
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use into_fr::IntoFr;
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use poly::{Commitment, Poly};
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@ -499,13 +499,13 @@ where
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.map(|(i, sample)| (into_fr_plus_1(i), sample))
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.collect();
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if samples.len() < t {
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return Err(ErrorKind::NotEnoughShares.into());
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return Err(Error::NotEnoughShares);
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}
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let mut result = C::zero();
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let mut indexes = Vec::new();
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for (x, sample) in samples.iter().take(t) {
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if indexes.contains(x) {
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return Err(ErrorKind::DuplicateEntry.into());
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return Err(Error::DuplicateEntry);
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}
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indexes.push(x.clone());
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// Compute the value at 0 of the Lagrange polynomial that is `0` at the other data
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