Files
pezkuwi-subxt/substrate/frame/contracts/fixtures/set_rent.wat
T
Alexander Theißen b14b472edf seal: Remove ext_dispatch_call and ext_get_runtime_storage (#6464)
Those are way too hard to audit and make only sense with specific
chains. They shouldn't be in the core API.
2020-06-24 11:53:40 +00:00

107 lines
2.1 KiB
WebAssembly Text Format

(module
(import "env" "ext_transfer" (func $ext_transfer (param i32 i32 i32 i32) (result i32)))
(import "env" "ext_set_storage" (func $ext_set_storage (param i32 i32 i32)))
(import "env" "ext_clear_storage" (func $ext_clear_storage (param i32)))
(import "env" "ext_set_rent_allowance" (func $ext_set_rent_allowance (param i32 i32)))
(import "env" "ext_scratch_size" (func $ext_scratch_size (result i32)))
(import "env" "ext_scratch_read" (func $ext_scratch_read (param i32 i32 i32)))
(import "env" "memory" (memory 1 1))
;; insert a value of 4 bytes into storage
(func $call_0
(call $ext_set_storage
(i32.const 1)
(i32.const 0)
(i32.const 4)
)
)
;; remove the value inserted by call_1
(func $call_1
(call $ext_clear_storage
(i32.const 1)
)
)
;; transfer 50 to CHARLIE
(func $call_2
(call $assert
(i32.eq
(call $ext_transfer (i32.const 68) (i32.const 8) (i32.const 76) (i32.const 8))
(i32.const 0)
)
)
)
;; do nothing
(func $call_else)
(func $assert (param i32)
(block $ok
(br_if $ok
(get_local 0)
)
(unreachable)
)
)
;; Dispatch the call according to input size
(func (export "call")
(local $input_size i32)
(set_local $input_size
(call $ext_scratch_size)
)
(block $IF_ELSE
(block $IF_2
(block $IF_1
(block $IF_0
(br_table $IF_0 $IF_1 $IF_2 $IF_ELSE
(get_local $input_size)
)
(unreachable)
)
(call $call_0)
return
)
(call $call_1)
return
)
(call $call_2)
return
)
(call $call_else)
)
;; Set into storage a 4 bytes value
;; Set call set_rent_allowance with input
(func (export "deploy")
(local $input_size i32)
(set_local $input_size
(call $ext_scratch_size)
)
(call $ext_set_storage
(i32.const 0)
(i32.const 0)
(i32.const 4)
)
(call $ext_scratch_read
(i32.const 0)
(i32.const 0)
(get_local $input_size)
)
(call $ext_set_rent_allowance
(i32.const 0)
(get_local $input_size)
)
)
;; Encoding of 10 in balance
(data (i32.const 0) "\28")
;; encoding of Charlies's account id
(data (i32.const 68) "\03")
;; encoding of 50 balance
(data (i32.const 76) "\32")
)