Add Web Feature to Subxt Codegen (#1175)

* add web feature to subxt codegen

* add getrandom

* remove compile error

* metadata: Generate runtime outer enums if not present in V14 (#1174)

* metadata: Extend outer enum generation for V14

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata: Generate outer enums if not present

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata: Porpagate v14 error instead of panic

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata: Try to find `RuntimeCall` then `Call` enums

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata: Ensure the returned type is variant for outer enums

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata: Replace or with or_else

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata: Apply clippy

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata: Return error and generate only `RuntimeError`

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata: Remove modified path

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* metadata/tests: Check missing runtime types

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

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Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* add empty use of getrandom

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Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Co-authored-by: Alexandru Vasile <60601340+lexnv@users.noreply.github.com>
Co-authored-by: James Wilson <james@jsdw.me>

macro/Cargo.toml

@@ -13,6 +13,9 @@ documentation.workspace = true
 homepage.workspace = true
 description = "Generate types and helpers for interacting with Substrate runtimes."
 
+[features]
+web = ["subxt-codegen/web"]
+
 [lib]
 proc-macro = true