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pezkuwi-subxt/examples/examples/custom_metadata_url.rs
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James Wilson d03e599684 Add runtime_metadata_url to pull metadata directly from a node (#689)
* Allow metadata to be pulled directly from a node with runtime_metadata_url

* Update docs

* https too, and abstract out block_on fn

* tweak a comment in the example
2022-10-19 11:07:12 +01:00

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Rust

// Copyright 2019-2022 Parity Technologies (UK) Ltd.
// This file is dual-licensed as Apache-2.0 or GPL-3.0.
// see LICENSE for license details.
// If you'd like to use metadata directly from a running node, you
// can provide a URL to that node here. HTTP or WebSocket URLs can be
// provided. Note that if the metadata cannot be retrieved from this
// node URL at compile time, compilation will fail.
#[subxt::subxt(runtime_metadata_url = "wss://rpc.polkadot.io:443")]
pub mod polkadot {}
fn main() {}