Add Runtime API to execute runtime calls #777
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Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
jsdw
reviewed
Jan 16, 2023
subxt/src/client/online_client.rs
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Comment on lines
119
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127
| async fn fetch_metadata(rpc: &Rpc<T>) -> Result<Metadata, Error> { | ||
| let bytes = rpc | ||
| .state_call("Metadata_metadata".into(), None, None) | ||
| .await?; | ||
| let cursor = &mut &*bytes; | ||
| let _ = <Compact<u32>>::decode(cursor)?; | ||
| let meta: RuntimeMetadataPrefixed = Decode::decode(cursor)?; | ||
| Ok(meta.try_into()?) | ||
| } |
jsdw
reviewed
Jan 16, 2023
jsdw
approved these changes
Jan 16, 2023
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
niklasad1
reviewed
Jan 18, 2023
niklasad1
approved these changes
Jan 18, 2023
niklasad1
reviewed
Jan 18, 2023
Co-authored-by: Niklas Adolfsson <niklasadolfsson1@gmail.com>
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This PR adds the ability to call into the runtime API of the subxt.
At this moment, the subxt utilises the
state_callmethod.This work lays the ground for transitioning to the
chainHeadandarchivemethods of the RPC SpecV2.The API is exposed both at the root level via, as well at the blocks level (block-centric approach).
Part of #732 .