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Alexandru Vasile
c6e4c7294d
* codegen: Fetch and decode metadata version then fallback Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Add `unstable-metadata` attribute to the subxt macro Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * docs: Add missing comma Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * macro: Add `GenerateRuntimeApi` Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update subxt/src/lib.rs Co-authored-by: James Wilson <james@jsdw.me> * Update macro/src/lib.rs Co-authored-by: James Wilson <james@jsdw.me> * subxt: Adjust docs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Import `GenerateRuntimeApi` Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> --------- Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> Co-authored-by: James Wilson <james@jsdw.me>
subxt-cli
Utilities for working with substrate metadata for subxt
USAGE:
subxt <SUBCOMMAND>
FLAGS:
-h, --help
Prints help information
-V, --version
Prints version information
SUBCOMMANDS:
codegen Generate runtime API client code from metadata
help Prints this message or the help of the given subcommand(s)
metadata Download metadata from a substrate node, for use with `subxt` codegen
Metadata
Use to download metadata for inspection, or use in the subxt macro. e.g.
subxt metadata -f bytes > metadata.scale
USAGE:
subxt metadata [OPTIONS]
OPTIONS:
-f, --format <format> the format of the metadata to display: `json`, `hex` or `bytes` [default: json]
--url <url> the url of the substrate node to query for metadata [default: http://localhost:9933]
Codegen
Use to invoke the subxt-codegen crate which is used by subxt-macro to generate the runtime API and types. Useful
for troubleshooting codegen as an alternative to cargo expand, and also provides the possibility to customize the
generated code if the macro does not produce the desired API. e.g.
subxt codegen | rustfmt --edition=2018 --emit=stdout
USAGE:
subxt codegen [OPTIONS]
OPTIONS:
-f, --file <file>
the path to the encoded metadata file
--url <url>
the url of the substrate node to query for metadata for codegen