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https://github.com/pezkuwichain/pezkuwi-subxt.git
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Alexander Theißen
0068716b5a
* Don't put unstable functions in special module * Apply suggestions from code review Co-authored-by: Sasha Gryaznov <hi@agryaznov.com> * cargo fmt Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>
71 lines
2.0 KiB
WebAssembly Text Format
71 lines
2.0 KiB
WebAssembly Text Format
;; This fixture recursively tests if reentrance_count returns correct reentrant count value when
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;; using seal_delegate_call to make caller contract delegate call to itself
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(module
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(import "seal0" "seal_input" (func $seal_input (param i32 i32)))
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(import "seal0" "seal_set_storage" (func $seal_set_storage (param i32 i32 i32)))
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(import "seal0" "seal_delegate_call" (func $seal_delegate_call (param i32 i32 i32 i32 i32 i32) (result i32)))
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(import "seal0" "reentrance_count" (func $reentrance_count (result i32)))
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(import "env" "memory" (memory 1 1))
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;; [0, 32) buffer where code hash is copied
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;; [32, 36) buffer for the call stack height
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;; [36, 40) size of the input buffer
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(data (i32.const 36) "\24")
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(func $assert (param i32)
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(block $ok
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(br_if $ok
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(get_local 0)
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)
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(unreachable)
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)
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)
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(func (export "call")
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(local $callstack_height i32)
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(local $delegate_call_exit_code i32)
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;; Reading input
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(call $seal_input (i32.const 0) (i32.const 36))
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;; reading passed callstack height
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(set_local $callstack_height (i32.load (i32.const 32)))
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;; incrementing callstack height
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(i32.store (i32.const 32) (i32.add (i32.load (i32.const 32)) (i32.const 1)))
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;; reentrance count stays 0
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(call $assert
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(i32.eq (call $reentrance_count) (i32.const 0))
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)
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(i32.eq (get_local $callstack_height) (i32.const 5))
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(if
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(then) ;; exit recursion case
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(else
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;; Call to itself
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(set_local $delegate_call_exit_code
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(call $seal_delegate_call
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(i32.const 0) ;; Set no call flags
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(i32.const 0) ;; Pointer to "callee" code_hash.
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(i32.const 0) ;; Pointer to the input data
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(i32.const 36) ;; Length of the input
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy output
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(i32.const 0) ;; Length is ignored in this case
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)
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)
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(call $assert
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(i32.eq (get_local $delegate_call_exit_code) (i32.const 0))
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)
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)
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)
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(call $assert
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(i32.le_s (get_local $callstack_height) (i32.const 5))
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)
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)
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(func (export "deploy"))
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) |