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Alexandru Vasile
432e856c37
* Update frame-metadata to v15.1.0 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Enable V15 unstable metadata in frame-metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Move validation hashing to dedicated file Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Use sp-metadata-ir from substrate to work with metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Revert using sp-metadata-ir in favor of conversion to v15 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Convert v14 to v15 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Use v15 for validation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Use v15 for codegen Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata/bench: Use v15 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust to v15 metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Improve documentation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * force CI Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc: Fetch metadata at version Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * artifacts: Update polkadot.scale from commit 6dc9e84dde2 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Fetch V15 using the new API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Add runtime API interface Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Hash runtime API metadata for validation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Extract runtime API metadata wrapper from subxt::Metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Adjust hashing cache to reflect root+item keys Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc: Add raw state_call API method Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * runtime_api: Add payload with static and dynamic variants Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Allow payloads to call into the runtime Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Add example to make a runtime API call both static and dynamic Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Simplify client fetching Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Address feedback and fallback to old API if needed Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * runtime_api: Make mutability conditional on input params Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Regenerate polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Retain only pallets without runtime API info Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Retry via `Metadata_metadata` without conversion Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * payload: Remove `Decode` and change validation fn Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Retain runtime API types Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Runtime APIs documentation based on flag Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update examples/examples/custom_metadata_url.rs Co-authored-by: James Wilson <james@jsdw.me> * Update artifacts from polkadot-a6cfdb16e9 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update polkadot.rs with polkadot-a6cfdb16e9 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Generate input structures for runtime API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * runtime_api: Remove the static paylaod and use single impl Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Fetch account nonce Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Adjust build script to fetch latest metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Check account nonce from runtime API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update cargo.lock Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Fix doc generation for runtime types Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Rename `inputs` runtime calls module to `types` Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Generate Calls structs inside the types module Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Check Alice account nonce before submitting the tx Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Add metadata version option flag supporting v14 and unstable Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Specify version to fetch Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Fallback to fetching latest stable metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Add unstable-metadata feature to fetch the latest Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * RuntimeVersion with Latest and Version(u32) Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Adjust fetch_metadata to inspect version list Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Adjust metadata to metadata_legacy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * events: Adjust docs to use metadata_legacy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * have a pass over fetch_metadata * cargo fmt * Option<String> when fetch metadata via latest API * clippy * fmt * cli: Use the MetadataVersion from codegen Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Specify latest as default for MetadataVersion Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Remove version from metadata and use the one from file_or_url Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Fix clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Decode metadata independently for different RPC calls 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 · 
A library to submit extrinsics to a substrate node via RPC.
Usage
Take a look in the examples folder for various subxt usage examples.
Downloading metadata from a Substrate node
Use the subxt-cli tool to download the metadata for your target runtime from a node.
- Install:
cargo install subxt-cli
- Save the encoded metadata to a file:
subxt metadata -f bytes > metadata.scale
This defaults to querying the metadata of a locally running node on the default http://localhost:9933/. If querying
a different node then the metadata command accepts a --url argument.
Subxt Documentation
For more details regarding utilizing subxt, please visit the documentation.
Integration Testing
Most tests require a running substrate node to communicate with. This is done by spawning an instance of the
substrate node per test. It requires an up-to-date substrate executable on your path.
This can be installed from source via cargo:
cargo install --git https://github.com/paritytech/substrate node-cli --force
Real world usage
Please add your project to this list via a PR.
- cargo-contract CLI for interacting with Wasm smart contracts.
- xcm-cli CLI for submitting XCM messages.
- phala-pherry The relayer between Phala blockchain and the off-chain Secure workers.
- crunch CLI to claim staking rewards in batch every Era or X hours for substrate-based chains.
- interbtc-clients Client implementations for the interBTC parachain; notably the Vault / Relayer and Oracle.
- tidext Tidechain client with Stronghold signer.
- staking-miner-v2 Submit NPos election solutions and get rewards.
- polkadot-introspector Tools for monitoring Polkadot nodes.
- ink! Smart contract language that uses
subxtfor allowing developers to conduct End-to-End testing of their contracts.
Alternatives
substrate-api-client provides similar functionality.
License
The entire code within this repository is dual licensed under the GPL-3.0 or Apache-2.0 licenses. See the LICENSE file for more details.
Please contact us if you have questions about the licensing of our products.