frost/bdk
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Use () to indicate a missing blockchain

Browse Source 
So that:
1. There are no runtime errors
2. There less type annotations needed
3. Less traits and stuff to document
This commit is contained in:
LLFourn
2020-12-23 13:48:17 +11:00
parent 2e222c7ad9
commit 656c9c9da8
14 changed files with 105 additions and 119 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/blockchain/mod.rs
View File

@@ -79,29 +79,9 @@ pub enum Capability {
AccurateFees,
}
/// Marker trait for a blockchain backend
///
/// This is a marker trait for blockchain types. It is automatically implemented for types that
/// implement [`Blockchain`], so as a user of the library you won't have to implement this
/// manually.
///
/// Users of the library will probably never have to implement this trait manually, but they
/// could still need to import it to define types and structs with generics;
/// Implementing only the marker trait is pointless, since [`OfflineBlockchain`]
/// already does that, and whenever [`Blockchain`] is implemented, the marker trait is also
/// automatically implemented by the library.
pub trait BlockchainMarker {}
/// The [`BlockchainMarker`] marker trait is automatically implemented for [`Blockchain`] types
impl<T: Blockchain> BlockchainMarker for T {}
/// Type that only implements [`BlockchainMarker`] and is always "offline"
pub struct OfflineBlockchain;
impl BlockchainMarker for OfflineBlockchain {}
/// Trait that defines the actions that must be supported by a blockchain backend
#[maybe_async]
pub trait Blockchain: BlockchainMarker {
pub trait Blockchain {
/// Return the set of [`Capability`] supported by this backend
fn get_capabilities(&self) -> HashSet<Capability>;