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pallet-contracts: migrate to nested storage transaction mechanism (#6382)

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* Add a simple direct storage access module

* WIP

* Completely migrate to the transactional system.

* Format

* Fix wasm compilation

* Get rid of account_db module

* Make deposit event eager

* Make restore_to eager

* It almost compiles.

* Make it compile.

* Make the tests compile

* Get rid of account_db

* Drop the result.

* Backport the book keeping.

* Fix all remaining tests.

* Make it compile for std

* Remove a stale TODO marker

* Remove another stale TODO

* Add proof for `terminate`

* Remove a stale comment.

* Make restoration diverging.

* Remove redudnant trait: `ComputeDispatchFee`

* Update frame/contracts/src/exec.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* Introduce proper errors into the storage module.

* Adds comments for contract storage module.

* Inline `ExecutionContext::terminate`.

* Restore_to should not let sacrifice itself if the contract present on the stack.

* Inline `transfer` function

* Update doc - add "if succeeded"

* Adapt to TransactionOutcome changes

* Updates the docs for `ext_restore_to`

* Add a proper assert.

* Update frame/contracts/src/wasm/runtime.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

Co-authored-by: Alexander Theißen <alex.theissen@me.com>
Co-authored-by: Alexander Theißen <alexander.theissen@parity.io>
This commit is contained in:
Sergei Shulepov
2020-06-23 19:06:07 +02:00
committed by GitHub
parent 4bf044eac6
commit f36b78570f
11 changed files with 661 additions and 936 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/contracts/src/wasm/mod.rs
+8 -12
View File
@@ -229,11 +229,8 @@ mod tests {
fn get_storage(&self, key: &StorageKey) -> Option<Vec<u8>> {
self.storage.get(key).cloned()
}
fn set_storage(&mut self, key: StorageKey, value: Option<Vec<u8>>)
-> Result<(), &'static str>
{
fn set_storage(&mut self, key: StorageKey, value: Option<Vec<u8>>) {
*self.storage.entry(key).or_insert(Vec::new()) = value.unwrap_or(Vec::new());
Ok(())
}
fn instantiate(
&mut self,
@@ -304,19 +301,20 @@ mod tests {
fn note_dispatch_call(&mut self, call: Call) {
self.dispatches.push(DispatchEntry(call));
}
fn note_restore_to(
fn restore_to(
&mut self,
dest: u64,
code_hash: H256,
rent_allowance: u64,
delta: Vec<StorageKey>,
) {
) -> Result<(), &'static str> {
self.restores.push(RestoreEntry {
dest,
code_hash,
rent_allowance,
delta,
});
Ok(())
}
fn caller(&self) -> &u64 {
&42
@@ -386,9 +384,7 @@ mod tests {
fn get_storage(&self, key: &[u8; 32]) -> Option<Vec<u8>> {
(**self).get_storage(key)
}
fn set_storage(&mut self, key: [u8; 32], value: Option<Vec<u8>>)
-> Result<(), &'static str>
{
fn set_storage(&mut self, key: [u8; 32], value: Option<Vec<u8>>) {
(**self).set_storage(key, value)
}
fn instantiate(
@@ -427,14 +423,14 @@ mod tests {
fn note_dispatch_call(&mut self, call: Call) {
(**self).note_dispatch_call(call)
}
fn note_restore_to(
fn restore_to(
&mut self,
dest: u64,
code_hash: H256,
rent_allowance: u64,
delta: Vec<StorageKey>,
) {
(**self).note_restore_to(
) -> Result<(), &'static str> {
(**self).restore_to(
dest,
code_hash,
rent_allowance,