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Runtime API versioning (#11779)
* Runtime API versioning Related to issue #11577 Add support for multiple versions of a Runtime API. The purpose is to have one main version of the API, which is considered stable and multiple unstable (aka staging) ones. How it works =========== Some methods of the API trait can be tagged with `#[api_version(N)]` attribute where N is version number bigger than the main one. Let's call them **staging methods** for brevity. The implementor of the API decides which version to implement. Example (from https://github.com/paritytech/substrate/issues/11577#issuecomment-1145347025): ``` decl_runtime_apis! { #{api_version(10)] trait Test { fn something() -> Vec<u8>; #[api_version(11)] fn new_cool_function() -> u32; } } ``` ``` impl_runtime_apis! { #[api_version(11)] impl Test for Runtime { fn something() -> Vec<u8> { vec![1, 2, 3] } fn new_cool_function() -> u32 { 10 } } } ``` Version safety checks (currently not implemented) ================================================= By default in the API trait all staging methods has got default implementation calling `unimplemented!()`. This is a problem because if the developer wants to implement version 11 in the example above and forgets to add `fn new_cool_function()` in `impl_runtime_apis!` the runtime will crash when the function is executed. Ideally a compilation error should be generated in such cases. TODOs ===== Things not working well at the moment: [ ] Version safety check [ ] Integration tests of `primitives/api` are messed up a bit. More specifically `primitives/api/test/tests/decl_and_impl.rs` [ ] Integration test covering the new functionality. [ ] Some duplicated code * Update primitives/api/proc-macro/src/impl_runtime_apis.rs Code review feedback and formatting Co-authored-by: asynchronous rob <rphmeier@gmail.com> * Code review feedback Applying suggestions from @bkchr * fmt * Apply suggestions from code review Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Code review feedback * dummy trait -> versioned trait * Implement only versioned traits (not compiling) * Remove native API calls (still not compiling) * fmt * Fix compilation * Comments * Remove unused code * Remove native runtime tests * Remove unused code * Fix UI tests * Code review feedback * Code review feedback * attribute_names -> common * Rework `append_api_version` * Code review feedback * Apply suggestions from code review Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Code review feedback * Code review feedback * Code review feedback * Use type alias for the default trait - doesn't compile * Fixes * Better error for `method_api_ver < trait_api_version` * fmt * Rework how we call runtime functions * Update UI tests * Fix warnings * Fix doctests * Apply suggestions from code review Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Fix formatting and small compilation errors * Update primitives/api/proc-macro/src/impl_runtime_apis.rs Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> Co-authored-by: asynchronous rob <rphmeier@gmail.com> Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> Co-authored-by: Bastian Köcher <info@kchr.de>
This commit is contained in:
Tsvetomir Dimitrov
committed by
GitHub
GitHub
parent
8e927daa77
commit
2bff2f84e3
@@ -15,49 +15,6 @@ note: type in trait
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= note: expected fn pointer `fn(u64)`
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found fn pointer `fn(std::string::String)`
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error[E0053]: method `Api_test_runtime_api_impl` has an incompatible type for trait
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--> tests/ui/impl_incorrect_method_signature.rs:17:1
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17 | sp_api::impl_runtime_apis! {
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| -^^^^^^^^^^^^^^^^^^^^^^^^^
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| |
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| _expected `u64`, found struct `std::string::String`
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| |
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18 | | impl self::Api<Block> for Runtime {
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19 | | fn test(data: String) {}
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20 | | }
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... |
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32 | | }
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33 | | }
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| |_- help: change the parameter type to match the trait: `std::option::Option<u64>`
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note: type in trait
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--> tests/ui/impl_incorrect_method_signature.rs:11:1
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11 | / sp_api::decl_runtime_apis! {
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12 | | pub trait Api {
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13 | | fn test(data: u64);
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14 | | }
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15 | | }
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| |_^
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= note: expected fn pointer `fn(&RuntimeApiImpl<__SR_API_BLOCK__, RuntimeApiImplCall>, &BlockId<__SR_API_BLOCK__>, ExecutionContext, std::option::Option<u64>, Vec<_>) -> Result<_, _>`
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found fn pointer `fn(&RuntimeApiImpl<__SR_API_BLOCK__, RuntimeApiImplCall>, &BlockId<__SR_API_BLOCK__>, ExecutionContext, std::option::Option<std::string::String>, Vec<_>) -> Result<_, _>`
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= note: this error originates in the macro `sp_api::impl_runtime_apis` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0308]: mismatched types
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--> tests/ui/impl_incorrect_method_signature.rs:17:1
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17 | / sp_api::impl_runtime_apis! {
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18 | | impl self::Api<Block> for Runtime {
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19 | | fn test(data: String) {}
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20 | | }
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... |
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32 | | }
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33 | | }
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| |_^ expected `u64`, found struct `std::string::String`
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= note: this error originates in the macro `sp_api::impl_runtime_apis` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0308]: mismatched types
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--> tests/ui/impl_incorrect_method_signature.rs:19:11
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@@ -0,0 +1,40 @@
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use sp_runtime::traits::{Block as BlockT, GetNodeBlockType};
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use substrate_test_runtime_client::runtime::Block;
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struct Runtime {}
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impl GetNodeBlockType for Runtime {
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type NodeBlock = Block;
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}
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sp_api::decl_runtime_apis! {
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#[api_version(2)]
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pub trait Api {
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fn test1();
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fn test2();
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#[api_version(3)]
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fn test3();
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}
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}
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sp_api::impl_runtime_apis! {
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#[api_version(4)]
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impl self::Api<Block> for Runtime {
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fn test1() {}
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fn test2() {}
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fn test3() {}
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}
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impl sp_api::Core<Block> for Runtime {
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fn version() -> sp_version::RuntimeVersion {
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unimplemented!()
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}
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fn execute_block(_: Block) {
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unimplemented!()
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}
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fn initialize_block(_: &<Block as BlockT>::Header) {
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unimplemented!()
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}
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}
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}
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fn main() {}
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@@ -0,0 +1,14 @@
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error[E0433]: failed to resolve: could not find `ApiV4` in `runtime_decl_for_Api`
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--> tests/ui/impl_missing_version.rs:21:13
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21 | impl self::Api<Block> for Runtime {
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| ^^^ could not find `ApiV4` in `runtime_decl_for_Api`
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error[E0405]: cannot find trait `ApiV4` in module `self::runtime_decl_for_Api`
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--> tests/ui/impl_missing_version.rs:21:13
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11 | pub trait Api {
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| ------------- similarly named trait `ApiV2` defined here
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...
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21 | impl self::Api<Block> for Runtime {
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| ^^^ help: a trait with a similar name exists: `ApiV2`
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+2
-2
@@ -1,5 +1,5 @@
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error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
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--> $DIR/invalid_api_version.rs:2:4
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--> tests/ui/invalid_api_version_1.rs:2:2
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2 | #[api_version]
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| ^^^^^^^^^^^
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| ^
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@@ -1,5 +1,5 @@
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error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
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--> $DIR/invalid_api_version_2.rs:2:4
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--> tests/ui/invalid_api_version_2.rs:2:2
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2 | #[api_version("1")]
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| ^^^^^^^^^^^
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| ^
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@@ -1,5 +1,5 @@
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error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
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--> $DIR/invalid_api_version_3.rs:2:4
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--> tests/ui/invalid_api_version_3.rs:2:2
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2 | #[api_version()]
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| ^^^^^^^^^^^
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| ^
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@@ -0,0 +1,8 @@
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sp_api::decl_runtime_apis! {
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pub trait Api {
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#[api_version("1")]
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fn test(data: u64);
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}
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}
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fn main() {}
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@@ -0,0 +1,5 @@
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error: Unexpected `api_version` attribute. The supported format is `api_version(1)`
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--> tests/ui/invalid_api_version_4.rs:3:3
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3 | #[api_version("1")]
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| ^
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@@ -0,0 +1,9 @@
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sp_api::decl_runtime_apis! {
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#[api_version(2)]
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pub trait Api {
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#[api_version(1)]
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fn test(data: u64);
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}
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}
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fn main() {}
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@@ -0,0 +1,11 @@
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error: Method version `1` is older than (or equal to) trait version `2`.Methods can't define versions older than the trait version.
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--> tests/ui/method_ver_lower_than_trait_ver.rs:4:3
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4 | #[api_version(1)]
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| ^
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error: Trait version is set here.
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--> tests/ui/method_ver_lower_than_trait_ver.rs:2:2
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2 | #[api_version(2)]
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| ^
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@@ -0,0 +1,39 @@
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use sp_runtime::traits::{Block as BlockT, GetNodeBlockType};
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use substrate_test_runtime_client::runtime::Block;
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struct Runtime {}
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impl GetNodeBlockType for Runtime {
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type NodeBlock = Block;
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}
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sp_api::decl_runtime_apis! {
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#[api_version(2)]
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pub trait Api {
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fn test1();
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fn test2();
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#[api_version(3)]
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fn test3();
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}
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}
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sp_api::impl_runtime_apis! {
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#[api_version(3)]
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impl self::Api<Block> for Runtime {
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fn test1() {}
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fn test2() {}
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}
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impl sp_api::Core<Block> for Runtime {
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fn version() -> sp_version::RuntimeVersion {
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unimplemented!()
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}
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fn execute_block(_: Block) {
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unimplemented!()
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}
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fn initialize_block(_: &<Block as BlockT>::Header) {
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unimplemented!()
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}
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}
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}
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fn main() {}
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@@ -0,0 +1,8 @@
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error[E0046]: not all trait items implemented, missing: `test3`
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--> tests/ui/missing_versioned_method.rs:21:2
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15 | fn test3();
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| ----------- `test3` from trait
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...
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21 | impl self::Api<Block> for Runtime {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `test3` in implementation
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@@ -0,0 +1,42 @@
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use sp_runtime::traits::{Block as BlockT, GetNodeBlockType};
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use substrate_test_runtime_client::runtime::Block;
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struct Runtime {}
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impl GetNodeBlockType for Runtime {
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type NodeBlock = Block;
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}
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sp_api::decl_runtime_apis! {
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#[api_version(2)]
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pub trait Api {
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fn test1();
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fn test2();
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#[api_version(3)]
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fn test3();
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#[api_version(4)]
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fn test4();
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}
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}
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sp_api::impl_runtime_apis! {
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#[api_version(4)]
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impl self::Api<Block> for Runtime {
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fn test1() {}
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fn test2() {}
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fn test4() {}
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}
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impl sp_api::Core<Block> for Runtime {
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fn version() -> sp_version::RuntimeVersion {
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unimplemented!()
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}
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fn execute_block(_: Block) {
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unimplemented!()
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}
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fn initialize_block(_: &<Block as BlockT>::Header) {
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unimplemented!()
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}
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}
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}
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fn main() {}
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@@ -0,0 +1,8 @@
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error[E0046]: not all trait items implemented, missing: `test3`
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--> tests/ui/missing_versioned_method_multiple_vers.rs:23:2
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15 | fn test3();
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| ----------- `test3` from trait
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...
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23 | impl self::Api<Block> for Runtime {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `test3` in implementation
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@@ -12,7 +12,7 @@ struct MockApi;
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sp_api::mock_impl_runtime_apis! {
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impl Api<Block> for MockApi {
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#[advanced]
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fn test(&self, _: BlockId<Block>) -> Result<sp_core::NativeOrEncoded<()>, ApiError> {
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fn test(&self, _: BlockId<Block>) -> Result<(), ApiError> {
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Ok(().into())
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}
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}
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@@ -1,10 +1,10 @@
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error: `BlockId` needs to be taken by reference and not by value!
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--> $DIR/mock_advanced_block_id_by_value.rs:12:1
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--> tests/ui/mock_advanced_block_id_by_value.rs:12:1
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12 | / sp_api::mock_impl_runtime_apis! {
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13 | | impl Api<Block> for MockApi {
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14 | | #[advanced]
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15 | | fn test(&self, _: BlockId<Block>) -> Result<sp_core::NativeOrEncoded<()>, ApiError> {
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15 | | fn test(&self, _: BlockId<Block>) -> Result<(), ApiError> {
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... |
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18 | | }
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19 | | }
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@@ -12,7 +12,7 @@ struct MockApi;
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sp_api::mock_impl_runtime_apis! {
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impl Api<Block> for MockApi {
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#[advanced]
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fn test(&self) -> Result<sp_core::NativeOrEncoded<()>, ApiError> {
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fn test(&self) -> Result<(), ApiError> {
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Ok(().into())
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}
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}
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@@ -1,5 +1,5 @@
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error: If using the `advanced` attribute, it is required that the function takes at least one argument, the `BlockId`.
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--> $DIR/mock_advanced_missing_blockid.rs:15:3
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--> tests/ui/mock_advanced_missing_blockid.rs:15:3
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15 | fn test(&self) -> Result<sp_core::NativeOrEncoded<()>, ApiError> {
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15 | fn test(&self) -> Result<(), ApiError> {
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| ^^
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@@ -10,62 +10,80 @@ error: Only `&self` is supported!
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16 | fn test2(&mut self, data: u64) {}
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| ^
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error[E0053]: method `Api_test_runtime_api_impl` has an incompatible type for trait
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error[E0050]: method `test` has 2 parameters but the declaration in trait `Api::test` has 3
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--> tests/ui/mock_only_self_reference.rs:12:1
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12 | sp_api::mock_impl_runtime_apis! {
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| -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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| |
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| _expected `u64`, found `()`
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| |
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3 | / sp_api::decl_runtime_apis! {
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4 | | pub trait Api {
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5 | | fn test(data: u64);
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| |_________________________- trait requires 3 parameters
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...
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12 | / sp_api::mock_impl_runtime_apis! {
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13 | | impl Api<Block> for MockApi {
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14 | | fn test(self, data: u64) {}
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15 | |
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16 | | fn test2(&mut self, data: u64) {}
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17 | | }
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18 | | }
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| |_- help: change the parameter type to match the trait: `Option<u64>`
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| |_^ expected 3 parameters, found 2
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note: type in trait
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--> tests/ui/mock_only_self_reference.rs:3:1
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3 | / sp_api::decl_runtime_apis! {
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4 | | pub trait Api {
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5 | | fn test(data: u64);
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6 | | fn test2(data: u64);
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7 | | }
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8 | | }
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| |_^
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= note: expected fn pointer `fn(&MockApi, &BlockId<sp_runtime::generic::block::Block<sp_runtime::generic::header::Header<u64, sp_runtime::traits::BlakeTwo256>, Extrinsic>>, ExecutionContext, Option<u64>, Vec<_>) -> Result<_, _>`
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found fn pointer `fn(&MockApi, &BlockId<sp_runtime::generic::block::Block<sp_runtime::generic::header::Header<u64, sp_runtime::traits::BlakeTwo256>, Extrinsic>>, ExecutionContext, Option<()>, Vec<_>) -> Result<_, _>`
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= note: this error originates in the macro `sp_api::mock_impl_runtime_apis` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0053]: method `Api_test2_runtime_api_impl` has an incompatible type for trait
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error[E0050]: method `test2` has 2 parameters but the declaration in trait `Api::test2` has 3
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--> tests/ui/mock_only_self_reference.rs:12:1
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12 | sp_api::mock_impl_runtime_apis! {
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| -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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| |
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| _expected `u64`, found `()`
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| |
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3 | / sp_api::decl_runtime_apis! {
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4 | | pub trait Api {
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5 | | fn test(data: u64);
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6 | | fn test2(data: u64);
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| |__________________________- trait requires 3 parameters
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...
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12 | / sp_api::mock_impl_runtime_apis! {
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13 | | impl Api<Block> for MockApi {
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14 | | fn test(self, data: u64) {}
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15 | |
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16 | | fn test2(&mut self, data: u64) {}
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17 | | }
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18 | | }
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| |_- help: change the parameter type to match the trait: `Option<u64>`
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| |_^ expected 3 parameters, found 2
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|
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note: type in trait
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--> tests/ui/mock_only_self_reference.rs:3:1
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= note: this error originates in the macro `sp_api::mock_impl_runtime_apis` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0050]: method `test_with_context` has 3 parameters but the declaration in trait `Api::test_with_context` has 4
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--> tests/ui/mock_only_self_reference.rs:12:1
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|
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3 | / sp_api::decl_runtime_apis! {
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4 | | pub trait Api {
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5 | | fn test(data: u64);
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| |_________________________- trait requires 4 parameters
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...
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12 | / sp_api::mock_impl_runtime_apis! {
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13 | | impl Api<Block> for MockApi {
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14 | | fn test(self, data: u64) {}
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15 | |
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16 | | fn test2(&mut self, data: u64) {}
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17 | | }
|
||||
18 | | }
|
||||
| |_^ expected 4 parameters, found 3
|
||||
|
|
||||
= note: this error originates in the macro `sp_api::mock_impl_runtime_apis` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error[E0050]: method `test2_with_context` has 3 parameters but the declaration in trait `Api::test2_with_context` has 4
|
||||
--> tests/ui/mock_only_self_reference.rs:12:1
|
||||
|
|
||||
3 | / sp_api::decl_runtime_apis! {
|
||||
4 | | pub trait Api {
|
||||
5 | | fn test(data: u64);
|
||||
6 | | fn test2(data: u64);
|
||||
7 | | }
|
||||
8 | | }
|
||||
| |_^
|
||||
= note: expected fn pointer `fn(&MockApi, &BlockId<sp_runtime::generic::block::Block<sp_runtime::generic::header::Header<u64, sp_runtime::traits::BlakeTwo256>, Extrinsic>>, ExecutionContext, Option<u64>, Vec<_>) -> Result<_, _>`
|
||||
found fn pointer `fn(&MockApi, &BlockId<sp_runtime::generic::block::Block<sp_runtime::generic::header::Header<u64, sp_runtime::traits::BlakeTwo256>, Extrinsic>>, ExecutionContext, Option<()>, Vec<_>) -> Result<_, _>`
|
||||
| |__________________________- trait requires 4 parameters
|
||||
...
|
||||
12 | / sp_api::mock_impl_runtime_apis! {
|
||||
13 | | impl Api<Block> for MockApi {
|
||||
14 | | fn test(self, data: u64) {}
|
||||
15 | |
|
||||
16 | | fn test2(&mut self, data: u64) {}
|
||||
17 | | }
|
||||
18 | | }
|
||||
| |_^ expected 4 parameters, found 3
|
||||
|
|
||||
= note: this error originates in the macro `sp_api::mock_impl_runtime_apis` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
@@ -0,0 +1,41 @@
|
||||
use sp_runtime::traits::{Block as BlockT, GetNodeBlockType};
|
||||
use substrate_test_runtime_client::runtime::Block;
|
||||
|
||||
struct Runtime {}
|
||||
impl GetNodeBlockType for Runtime {
|
||||
type NodeBlock = Block;
|
||||
}
|
||||
|
||||
sp_api::decl_runtime_apis! {
|
||||
#[api_version(2)]
|
||||
pub trait Api {
|
||||
fn test1();
|
||||
fn test2();
|
||||
#[api_version(3)]
|
||||
fn test3();
|
||||
#[api_version(4)]
|
||||
fn test4();
|
||||
}
|
||||
}
|
||||
|
||||
sp_api::impl_runtime_apis! {
|
||||
#[api_version(2)]
|
||||
impl self::Api<Block> for Runtime {
|
||||
fn test1() {}
|
||||
fn test2() {}
|
||||
}
|
||||
|
||||
impl sp_api::Core<Block> for Runtime {
|
||||
fn version() -> sp_version::RuntimeVersion {
|
||||
unimplemented!()
|
||||
}
|
||||
fn execute_block(_: Block) {
|
||||
unimplemented!()
|
||||
}
|
||||
fn initialize_block(_: &<Block as BlockT>::Header) {
|
||||
unimplemented!()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {}
|
||||
-43
@@ -15,49 +15,6 @@ note: type in trait
|
||||
= note: expected fn pointer `fn(u64)`
|
||||
found fn pointer `fn(&u64)`
|
||||
|
||||
error[E0053]: method `Api_test_runtime_api_impl` has an incompatible type for trait
|
||||
--> tests/ui/type_reference_in_impl_runtime_apis_call.rs:17:1
|
||||
|
|
||||
17 | sp_api::impl_runtime_apis! {
|
||||
| -^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
| |
|
||||
| _expected `u64`, found `&u64`
|
||||
| |
|
||||
18 | | impl self::Api<Block> for Runtime {
|
||||
19 | | fn test(data: &u64) {
|
||||
20 | | unimplemented!()
|
||||
... |
|
||||
34 | | }
|
||||
35 | | }
|
||||
| |_- help: change the parameter type to match the trait: `std::option::Option<u64>`
|
||||
|
|
||||
note: type in trait
|
||||
--> tests/ui/type_reference_in_impl_runtime_apis_call.rs:11:1
|
||||
|
|
||||
11 | / sp_api::decl_runtime_apis! {
|
||||
12 | | pub trait Api {
|
||||
13 | | fn test(data: u64);
|
||||
14 | | }
|
||||
15 | | }
|
||||
| |_^
|
||||
= note: expected fn pointer `fn(&RuntimeApiImpl<__SR_API_BLOCK__, RuntimeApiImplCall>, &BlockId<__SR_API_BLOCK__>, ExecutionContext, std::option::Option<u64>, Vec<_>) -> Result<_, _>`
|
||||
found fn pointer `fn(&RuntimeApiImpl<__SR_API_BLOCK__, RuntimeApiImplCall>, &BlockId<__SR_API_BLOCK__>, ExecutionContext, std::option::Option<&u64>, Vec<_>) -> Result<_, _>`
|
||||
= note: this error originates in the macro `sp_api::impl_runtime_apis` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error[E0308]: mismatched types
|
||||
--> tests/ui/type_reference_in_impl_runtime_apis_call.rs:17:1
|
||||
|
|
||||
17 | / sp_api::impl_runtime_apis! {
|
||||
18 | | impl self::Api<Block> for Runtime {
|
||||
19 | | fn test(data: &u64) {
|
||||
20 | | unimplemented!()
|
||||
... |
|
||||
34 | | }
|
||||
35 | | }
|
||||
| |_^ expected `u64`, found `&u64`
|
||||
|
|
||||
= note: this error originates in the macro `sp_api::impl_runtime_apis` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error[E0308]: mismatched types
|
||||
--> tests/ui/type_reference_in_impl_runtime_apis_call.rs:19:11
|
||||
|
|
||||
|
||||
Reference in New Issue
Block a user