contracts: Replace sp-sandbox and wasmi-validation by newest wasmi (#12501)

* Replace sp-sandbox and wasmi-validation by just wasmi * ".git/.scripts/bench-bot.sh" pallet dev pallet_contracts * Re-check original code on re-instrumentation * Fix clippy * ".git/.scripts/bench-bot.sh" pallet dev pallet_contracts * Apply suggestions from code review Co-authored-by: Robin Freyler <robin.freyler@gmail.com> * Replace wasmi by ::wasmi * Bump wasmi to 0.20 * Add explanation for `unreachable` * Change proof * Fixup master merge * ".git/.scripts/bench-bot.sh" pallet dev pallet_contracts * Fixup naming inconsistencies introduced by reentrancy PR * Fix `scan_imports` docs * Apply suggestions from code review Co-authored-by: Sasha Gryaznov <hi@agryaznov.com> * Fixup suggestions * Remove unnecessary &mut * Fix test * ".git/.scripts/bench-bot.sh" pallet dev pallet_contracts * Fix benchmark merge fail * ".git/.scripts/bench-bot.sh" pallet dev pallet_contracts * Fix docs as suggested by code review * Improve docs for `CodeRejected` * Apply suggestions from code review Co-authored-by: Sasha Gryaznov <hi@agryaznov.com> * Fix logic bug when setting `deterministic_only` * Don't panic when module fails to compile * Apply suggestions from code review Co-authored-by: Robin Freyler <robin.freyler@gmail.com> Co-authored-by: command-bot <> Co-authored-by: Robin Freyler <robin.freyler@gmail.com> Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>
2026-05-31 05:11:02 +00:00 · 2022-11-24 23:51:36 +01:00
parent e69c3649b5
commit 08657f14b7
23 changed files with 1909 additions and 1634 deletions
@@ -0,0 +1,71 @@
+;; This fixture recursively tests if reentrance_count returns correct reentrant count value when
+;; using seal_delegate_call to make caller contract delegate call to itself
+(module
+	(import "seal0" "seal_input" (func $seal_input (param i32 i32)))
+	(import "seal0" "seal_set_storage" (func $seal_set_storage (param i32 i32 i32)))
+	(import "seal0" "seal_delegate_call" (func $seal_delegate_call (param i32 i32 i32 i32 i32 i32) (result i32)))
+	(import "__unstable__" "reentrance_count" (func $reentrance_count (result i32)))
+	(import "env" "memory" (memory 1 1))
+
+	;; [0, 32) buffer where code hash is copied
+
+	;; [32, 36) buffer for the call stack height
+
+	;; [36, 40) size of the input buffer
+	(data (i32.const 36) "\24")
+
+	(func $assert (param i32)
+		(block $ok
+			(br_if $ok
+				(get_local 0)
+			)
+			(unreachable)
+		)
+	)
+	(func (export "call")
+		(local $callstack_height i32)
+		(local $delegate_call_exit_code i32)
+
+		;; Reading input
+		(call $seal_input (i32.const 0) (i32.const 36))
+
+		;; reading passed callstack height
+		(set_local $callstack_height (i32.load (i32.const 32)))
+
+		;; incrementing callstack height
+		(i32.store (i32.const 32) (i32.add (i32.load (i32.const 32)) (i32.const 1)))
+
+		;; reentrance count stays 0
+		(call $assert
+			(i32.eq (call $reentrance_count) (i32.const 0))
+		)
+
+		(i32.eq (get_local $callstack_height) (i32.const 5))
+		(if
+			(then) ;; exit recursion case
+			(else
+				;; Call to itself
+				(set_local $delegate_call_exit_code
+					(call $seal_delegate_call
+						(i32.const 0)	;; Set no call flags
+						(i32.const 0)	;; Pointer to "callee" code_hash.
+						(i32.const 0)	;; Pointer to the input data
+						(i32.const 36)	;; Length of the input
+						(i32.const 4294967295)	;; u32 max sentinel value: do not copy output
+						(i32.const 0)	;; Length is ignored in this case
+					)
+				)
+
+				(call $assert
+					(i32.eq (get_local $delegate_call_exit_code) (i32.const 0))
+				)
+			)
+		)
+
+		(call $assert
+			(i32.le_s (get_local $callstack_height) (i32.const 5))
+		)
+	)
+
+	(func (export "deploy"))
+)