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seal: Rework contracts API (#6573)

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* Transition getter functions to not use scratch buffer

* Remove scratch buffer from ext_get_storage

* Remove scratch buffer from ext_call

* Remove scratch buffer from ext_instantiate

* Add ext_input and remove scratch buffer

* Rework error handling (changes RPC exposed data)

* ext_return passes a flags field instead of a return code
	* Flags is only for seal and not for the caller
	* flags: u32 replaced status_code: u8 in RPC exposed type
* API functions use a unified error type (ReturnCode)
* ext_transfer now traps on error to be consistent with call and instantiate

* Remove the no longer used `Dispatched` event

* Updated inline documentation

* Prevent skipping of copying the output for getter API

* Return gas_consumed from the RPC contracts call interface

* Updated COMPLEXTITY.md

* Rename ext_gas_price to ext_weight_to_fee

* Align comments with spaces

* Removed no longer used `ExecError`

* Remove possible panic in `from_typed_value`

* Use a struct as associated data for SpecialTrap::Return

* Fix nits in COMPLEXITY.md

* Renamed SpecialTrap to TrapReason

* Fix test

* Finish renaming special_trap -> trap_reason

* Remove no longer used get_runtime_storage

* fixup! Remove no longer used get_runtime_storage

* Removed tabs for comment aligment
This commit is contained in:
Alexander Theißen
2020-07-09 15:07:02 +02:00
committed by GitHub
parent a4427f3635
commit 25de5b5c78
26 changed files with 1116 additions and 1256 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/bin/node/executor/tests/basic.rs
+16 -13
View File
@@ -491,32 +491,31 @@ const CODE_TRANSFER: &str = r#"
;; value_ptr: u32,
;; value_len: u32,
;; input_data_ptr: u32,
;; input_data_len: u32
;; input_data_len: u32,
;; output_ptr: u32,
;; output_len_ptr: u32
;; ) -> u32
(import "env" "ext_call" (func $ext_call (param i32 i32 i64 i32 i32 i32 i32) (result 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" "ext_call" (func $ext_call (param i32 i32 i64 i32 i32 i32 i32 i32 i32) (result i32)))
(import "env" "ext_input" (func $ext_input (param i32 i32)))
(import "env" "memory" (memory 1 1))
(func (export "deploy")
)
(func (export "call")
(block $fail
;; load and check the input data (which is stored in the scratch buffer).
;; Load input data to contract memory
(call $ext_input
(i32.const 0)
(i32.const 52)
)
;; fail if the input size is not != 4
(br_if $fail
(i32.ne
(i32.const 4)
(call $ext_scratch_size)
(i32.load (i32.const 52))
)
)
(call $ext_scratch_read
(i32.const 0)
(i32.const 0)
(i32.const 4)
)
(br_if $fail
(i32.ne
(i32.load8_u (i32.const 0))
@@ -551,6 +550,8 @@ const CODE_TRANSFER: &str = r#"
(i32.const 16) ;; Length of the buffer with value to transfer.
(i32.const 0) ;; Pointer to input data buffer address
(i32.const 0) ;; Length of input data buffer
(i32.const 4294967295) ;; u32 max value is the sentinel value: do not copy output
(i32.const 0) ;; Length is ignored in this case
)
)
@@ -571,6 +572,8 @@ const CODE_TRANSFER: &str = r#"
"\06\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00"
"\00\00"
)
;; Length of the input buffer
(data (i32.const 52) "\04")
)
"#;