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Alexandru Vasile
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* Cargo update in prep for wasm build Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add light client test Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Implement low level socket Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add native platform primitives Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add wasm platform primitives Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Implement smoldot platform Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust code to use custom platform Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust feature flags Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * tests: Adjust wasm endpoint to accept ws for p2p Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust wasm socket Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Book mention of wasm Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * ci: Propagate env variable properly Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Revert to native feature flags Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Use tokio rt-multi-thread feature Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Add tokio feature flags for native platform Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * wasm: Use polkadot live for wasm testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * wasm: Add support for DNS p2p addresses Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * wasm: Disable logs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * wasm: Run wasm test for firefox driver Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * wasm: Reenable chrome driver Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Move lightclient RPC to dedicated crate for better feature flags and modularity Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Use subxt-lightclient low level RPC crate Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Apply cargo fmt Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Enable default:native feature for cargo check Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * ci: Extra step for subxt-lightclient similar to signer crate Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Remove native platform code and use smoldot instead Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Enable tokio/multi-threads Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * lightclient: Refactor modules Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust testing crates Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * ci: Run light-client WASM tests Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * wasm-rpc: Remove light-client imports Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Update wasm cargo.lock files Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * ci: Spawn substrate node with deterministic p2p address for WASM tests Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * wasm_socket: Use rc and refcell Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * wasm_socket: Switch back to Arc<Mutex<>> Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add comments Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> --------- Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
subxt · 
A library to submit extrinsics to a substrate node via RPC.
Usage
Take a look in the examples folder or the examples folder for various smaller or
larger subxt usage examples, or read the guide to learn more.
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.