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Use checked arithmetic in types and state proc (#1009)

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This commit is contained in:
Michael Sproul
2020-04-20 12:35:11 +10:00
committed by GitHub
parent 50ef0d7fbf
commit 32074f0d09
49 changed files with 525 additions and 169 deletions
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10
beacon_node/beacon_chain/src/eth1_chain.rs
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@@ -45,6 +45,14 @@ pub enum Error {
///
/// The eth1 caches are stale, or a junk value was voted into the chain.
UnknownPreviousEth1BlockHash,
/// An arithmetic error occurred.
ArithError(safe_arith::ArithError),
}
impl From<safe_arith::ArithError> for Error {
fn from(e: safe_arith::ArithError) -> Self {
Self::ArithError(e)
}
}
#[derive(Encode, Decode, Clone)]
@@ -369,7 +377,7 @@ impl<T: EthSpec, S: Store<T>> Eth1ChainBackend<T, S> for CachingEth1Backend<T, S
_spec: &ChainSpec,
) -> Result<Vec<Deposit>, Error> {
let deposit_index = state.eth1_deposit_index;
let deposit_count = if let Some(new_eth1_data) = get_new_eth1_data(state, eth1_data_vote) {
let deposit_count = if let Some(new_eth1_data) = get_new_eth1_data(state, eth1_data_vote)? {
new_eth1_data.deposit_count
} else {
state.eth1_data.deposit_count