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/// A default OOM handler for WASM environment.
#[cfg(all(not(feature = "disable_oom"), not(feature = "std")))]
#[alloc_error_handler]
pub fn oom(_: core::alloc::Layout) -> ! {
logging::log(LogLevel::Error, "runtime", b"Runtime memory exhausted. Aborting");
core::arch::wasm32::unreachable();
Svyatoslav Nikolsky
committed
/// Type alias for Externalities implementation used in tests.
#[cfg(feature = "std")]
pub type TestExternalities = sp_state_machine::TestExternalities<sp_core::Blake2Hasher, u64>;
/// The host functions Substrate provides for the Wasm runtime environment.
///
/// All these host functions will be callable from inside the Wasm environment.
#[cfg(feature = "std")]
pub type SubstrateHostFunctions = (
storage::HostFunctions,
misc::HostFunctions,
offchain::HostFunctions,
crypto::HostFunctions,
hashing::HostFunctions,
allocator::HostFunctions,
logging::HostFunctions,
sandbox::HostFunctions,
crate::trie::HostFunctions,
);
#[cfg(test)]
mod tests {
use super::*;
use sp_core::storage::Storage;
#[test]
fn storage_works() {
let mut t = BasicExternalities::default();
t.execute_with(|| {
assert_eq!(storage::get(b"hello"), None);
storage::set(b"hello", b"world");
assert_eq!(storage::get(b"hello"), Some(b"world".to_vec()));
assert_eq!(storage::get(b"foo"), None);
storage::set(b"foo", &[1, 2, 3][..]);
});
t = BasicExternalities::new(Storage {
top: map![b"foo".to_vec() => b"bar".to_vec()],
children: map![],
});
t.execute_with(|| {
assert_eq!(storage::get(b"hello"), None);
assert_eq!(storage::get(b"foo"), Some(b"bar".to_vec()));
});
}
#[test]
fn read_storage_works() {
let mut t = BasicExternalities::new(Storage {
top: map![b":test".to_vec() => b"\x0b\0\0\0Hello world".to_vec()],
children: map![],
});
t.execute_with(|| {
let mut v = [0u8; 4];
assert!(storage::read(b":test", &mut v[..], 0).unwrap() >= 4);
assert_eq!(v, [11u8, 0, 0, 0]);
let mut w = [0u8; 11];
assert!(storage::read(b":test", &mut w[..], 4).unwrap() >= 11);
assert_eq!(&w, b"Hello world");
});
}
#[test]
fn clear_prefix_works() {
let mut t = BasicExternalities::new(Storage {
top: map![
b":a".to_vec() => b"\x0b\0\0\0Hello world".to_vec(),
b":abcd".to_vec() => b"\x0b\0\0\0Hello world".to_vec(),
b":abc".to_vec() => b"\x0b\0\0\0Hello world".to_vec(),
b":abdd".to_vec() => b"\x0b\0\0\0Hello world".to_vec()
],
t.execute_with(|| {
storage::clear_prefix(b":abc");
assert!(storage::get(b":a").is_some());
assert!(storage::get(b":abdd").is_some());
assert!(storage::get(b":abcd").is_none());
assert!(storage::get(b":abc").is_none());
});
}
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#[test]
fn dynamic_extensions_work() {
let mut ext = BasicExternalities::with_tasks_executor();
ext.execute_with(|| {
crypto::start_batch_verify();
});
assert!(ext.extensions().get_mut(TypeId::of::<VerificationExt>()).is_some());
ext.execute_with(|| {
crypto::finish_batch_verify();
});
assert!(ext.extensions().get_mut(TypeId::of::<VerificationExt>()).is_none());
}
#[test]
fn long_sr25519_batching() {
let mut ext = BasicExternalities::with_tasks_executor();
ext.execute_with(|| {
let pair = sr25519::Pair::generate_with_phrase(None).0;
crypto::start_batch_verify();
for it in 0..70 {
let msg = format!("Schnorrkel {}!", it);
let signature = pair.sign(msg.as_bytes());
crypto::sr25519_verify(&signature, msg.as_bytes(), &pair.public());
}
// push invlaid
crypto::sr25519_verify(
&Default::default(),
&Vec::new(),
&Default::default(),
);
assert!(!crypto::finish_batch_verify());
crypto::start_batch_verify();
for it in 0..70 {
let msg = format!("Schnorrkel {}!", it);
let signature = pair.sign(msg.as_bytes());
crypto::sr25519_verify(&signature, msg.as_bytes(), &pair.public());
}
assert!(crypto::finish_batch_verify());
});
}
#[test]
fn batching_works() {
let mut ext = BasicExternalities::with_tasks_executor();
ext.execute_with(|| {
// invalid ed25519 signature
crypto::start_batch_verify();
crypto::ed25519_verify(
&Default::default(),
&Vec::new(),
&Default::default(),
);
assert!(!crypto::finish_batch_verify());
// 2 valid ed25519 signatures
crypto::start_batch_verify();
let pair = ed25519::Pair::generate_with_phrase(None).0;
let msg = b"Important message";
let signature = pair.sign(msg);
crypto::ed25519_verify(&signature, msg, &pair.public());
let pair = ed25519::Pair::generate_with_phrase(None).0;
let msg = b"Even more important message";
let signature = pair.sign(msg);
crypto::ed25519_verify(&signature, msg, &pair.public());
assert!(crypto::finish_batch_verify());
// 1 valid, 1 invalid ed25519 signature
crypto::start_batch_verify();
let pair = ed25519::Pair::generate_with_phrase(None).0;
let msg = b"Important message";
let signature = pair.sign(msg);
crypto::ed25519_verify(&signature, msg, &pair.public());
crypto::ed25519_verify(
&Default::default(),
&Vec::new(),
&Default::default(),
);
assert!(!crypto::finish_batch_verify());
// 1 valid ed25519, 2 valid sr25519
crypto::start_batch_verify();
let pair = ed25519::Pair::generate_with_phrase(None).0;
let msg = b"Ed25519 batching";
let signature = pair.sign(msg);
crypto::ed25519_verify(&signature, msg, &pair.public());
let pair = sr25519::Pair::generate_with_phrase(None).0;
let msg = b"Schnorrkel rules";
let signature = pair.sign(msg);
crypto::sr25519_verify(&signature, msg, &pair.public());
let pair = sr25519::Pair::generate_with_phrase(None).0;
let msg = b"Schnorrkel batches!";
let signature = pair.sign(msg);
crypto::sr25519_verify(&signature, msg, &pair.public());
assert!(crypto::finish_batch_verify());
// 1 valid sr25519, 1 invalid sr25519
crypto::start_batch_verify();
let pair = sr25519::Pair::generate_with_phrase(None).0;
let msg = b"Schnorrkcel!";
let signature = pair.sign(msg);
crypto::sr25519_verify(&signature, msg, &pair.public());
crypto::sr25519_verify(
&Default::default(),
&Vec::new(),
&Default::default(),
);
assert!(!crypto::finish_batch_verify());
});
}