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seal: Change prefix and module name from "ext_" to "seal_" for contract callable functions (#6798)

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* seal: Change prefix "ext_" to "seal_" for contract callable functions

The word Ext is a overloaded term in the context of substrate. It usually
is a trait which abstracts away access to external resources usually in order
to mock them away for the purpose of tests. The contract module has its own
`Ext` trait in addition the the substrate `Ext` which makes things even more
confusing.

In order to differentiate the contract callable functions more clearly from
this `Ext` concept we rename them to use the "seal_" prefix instead.

This should change no behaviour at all. This is a pure renaming commit.

* seal: Rename import module from "env" to "seal0"

* seal: Fixup integration test

* seal: Add more tests for new import module names
This commit is contained in:
Alexander Theißen
2020-08-10 15:14:34 +02:00
committed by GitHub
parent f9f8262303
commit 04b185e3d4
29 changed files with 355 additions and 303 deletions
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substrate/frame/contracts/fixtures/crypto_hashes.wat
+12 -12
View File
@@ -1,21 +1,21 @@
(module
(import "env" "ext_input" (func $ext_input (param i32 i32)))
(import "env" "ext_return" (func $ext_return (param i32 i32 i32)))
(import "seal0" "seal_input" (func $seal_input (param i32 i32)))
(import "seal0" "seal_return" (func $seal_return (param i32 i32 i32)))
(import "env" "ext_hash_sha2_256" (func $ext_hash_sha2_256 (param i32 i32 i32)))
(import "env" "ext_hash_keccak_256" (func $ext_hash_keccak_256 (param i32 i32 i32)))
(import "env" "ext_hash_blake2_256" (func $ext_hash_blake2_256 (param i32 i32 i32)))
(import "env" "ext_hash_blake2_128" (func $ext_hash_blake2_128 (param i32 i32 i32)))
(import "seal0" "seal_hash_sha2_256" (func $seal_hash_sha2_256 (param i32 i32 i32)))
(import "seal0" "seal_hash_keccak_256" (func $seal_hash_keccak_256 (param i32 i32 i32)))
(import "seal0" "seal_hash_blake2_256" (func $seal_hash_blake2_256 (param i32 i32 i32)))
(import "seal0" "seal_hash_blake2_128" (func $seal_hash_blake2_128 (param i32 i32 i32)))
(import "env" "memory" (memory 1 1))
(type $hash_fn_sig (func (param i32 i32 i32)))
(table 8 funcref)
(elem (i32.const 1)
$ext_hash_sha2_256
$ext_hash_keccak_256
$ext_hash_blake2_256
$ext_hash_blake2_128
$seal_hash_sha2_256
$seal_hash_keccak_256
$seal_hash_blake2_256
$seal_hash_blake2_128
)
(data (i32.const 1) "20202010201008") ;; Output sizes of the hashes in order in hex.
@@ -56,7 +56,7 @@
(local.set $input_len_ptr (i32.const 256))
(local.set $input_ptr (i32.const 10))
(i32.store (local.get $input_len_ptr) (i32.const 246))
(call $ext_input (local.get $input_ptr) (local.get $input_len_ptr))
(call $seal_input (local.get $input_ptr) (local.get $input_len_ptr))
(local.set $chosen_hash_fn (i32.load8_u (local.get $input_ptr)))
(if (i32.gt_u (local.get $chosen_hash_fn) (i32.const 7))
;; We check that the chosen hash fn identifier is within bounds: [0,7]
@@ -71,7 +71,7 @@
(local.get $input_ptr)
(local.get $chosen_hash_fn) ;; Which crypto hash function to execute.
)
(call $ext_return
(call $seal_return
(i32.const 0)
(local.get $input_ptr) ;; Linear memory location of the output buffer.
(local.get $output_len) ;; Number of output buffer bytes.