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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
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substrate/frame/contracts/fixtures/restoration.wat
+5 -1
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@@ -1,6 +1,10 @@
(module
(import "env" "ext_set_storage" (func $ext_set_storage (param i32 i32 i32)))
(import "env" "ext_restore_to" (func $ext_restore_to (param i32 i32 i32 i32 i32 i32 i32 i32)))
(import "env" "ext_restore_to"
(func $ext_restore_to
(param i32 i32 i32 i32 i32 i32 i32 i32)
)
)
(import "env" "memory" (memory 1 1))
(func (export "call")