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Introduce safe types for handling imbalances (#2048)

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* Be a little safer with total issuance.

* PairT instead of _Pair

* Remove rev causing upset

* Remove fees stuff.

* Fix build (including tests)

* Update runtime, bump version

* Fix

* Handle gas refunds properly.

* Rename identifier

ala #2025

* Address grumbles

* New not-quite-linear-typing API

* Slimmer API

* More linear-type test fixes

* Fix tests

* Tidy

* Fix some grumbles

* Keep unchecked functions private

* Remove another less-than-safe currency function and ensure that
contracts module can never create cash.

* Address a few grumbles and fix tests
This commit is contained in:
Gav Wood
2019-03-20 14:07:28 +01:00
committed by Robert Habermeier
parent f9e224e7b8
commit dcd77a147c
49 changed files with 1108 additions and 1100 deletions
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substrate/core/sr-primitives/src/lib.rs
+11 -10
View File
@@ -30,7 +30,7 @@ pub use serde_derive;
pub use runtime_io::{StorageOverlay, ChildrenStorageOverlay};
use rstd::prelude::*;
use substrate_primitives::{ed25519, sr25519, hash::{H256, H512}};
use substrate_primitives::{ed25519, sr25519, hash::H512};
use codec::{Encode, Decode};
#[cfg(feature = "std")]
@@ -379,16 +379,17 @@ impl Verify for MultiSignature {
#[cfg_attr(feature = "std", derive(Debug, Serialize, Deserialize))]
pub struct AnySignature(H512);
/// Public key for any known crypto algorithm.
#[derive(Eq, PartialEq, Ord, PartialOrd, Clone, Default, Encode, Decode)]
#[cfg_attr(feature = "std", derive(Debug, Serialize, Deserialize))]
pub struct AnySigner(H256);
impl Verify for AnySignature {
type Signer = AnySigner;
fn verify<L: Lazy<[u8]>>(&self, mut msg: L, signer: &AnySigner) -> bool {
runtime_io::sr25519_verify(self.0.as_fixed_bytes(), msg.get(), &signer.0.as_bytes()) ||
runtime_io::ed25519_verify(self.0.as_fixed_bytes(), msg.get(), &signer.0.as_bytes())
type Signer = sr25519::Public;
fn verify<L: Lazy<[u8]>>(&self, mut msg: L, signer: &sr25519::Public) -> bool {
runtime_io::sr25519_verify(self.0.as_fixed_bytes(), msg.get(), &signer.0) ||
runtime_io::ed25519_verify(self.0.as_fixed_bytes(), msg.get(), &signer.0)
}
}
impl From<sr25519::Signature> for AnySignature {
fn from(s: sr25519::Signature) -> AnySignature {
AnySignature(s.0.into())
}
}