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Add vector type to tree hashing

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This commit is contained in:
Paul Hauner
2019-04-17 10:57:36 +10:00
parent 49d066015b
commit af39f096e7
11 changed files with 211 additions and 72 deletions
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15
eth2/utils/tree_hash_derive/src/lib.rs
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@@ -129,7 +129,7 @@ pub fn tree_hash_derive(input: TokenStream) -> TokenStream {
let output = quote! {
impl tree_hash::TreeHash for #name {
fn tree_hash_type() -> tree_hash::TreeHashType {
tree_hash::TreeHashType::Composite
tree_hash::TreeHashType::Container
}
fn tree_hash_packed_encoding(&self) -> Vec<u8> {
@@ -154,19 +154,6 @@ pub fn tree_hash_derive(input: TokenStream) -> TokenStream {
output.into()
}
/// Implements `tree_hash::TreeHash` for some `struct`, whilst excluding any fields following and
/// including a field that is of type "Signature" or "AggregateSignature".
///
/// See:
/// https://github.com/ethereum/eth2.0-specs/blob/master/specs/simple-serialize.md#signed-roots
///
/// This is a rather horrendous macro, it will read the type of the object as a string and decide
/// if it's a signature by matching that string against "Signature" or "AggregateSignature". So,
/// it's important that you use those exact words as your type -- don't alias it to something else.
///
/// If you can think of a better way to do this, please make an issue!
///
/// Fields are processed in the order they are defined.
#[proc_macro_derive(SignedRoot, attributes(signed_root))]
pub fn tree_hash_signed_root_derive(input: TokenStream) -> TokenStream {
let item = parse_macro_input!(input as DeriveInput);