Good day, I would love to know how to make Sudo calls through subxt library , I can't seem to find a meaningful solution. substrate-api-client has an example on how to make on, but going through the documentation of subxt library, it doesn't show how to do it.

1 Answer 1


There is a nice test that could be helpful for you to discover how to use sudo:

let call = Call::Balances(BalancesCall::transfer {
    dest: bob,
    value: 10_000,

let found_event = cxt

Reference: https://github.com/paritytech/subxt/blob/b1b717332eb44af3f992ad4486b0d43a8d1f6d79/subxt/tests/integration/frame/sudo.rs#L42

Update May 2023:

Original reference is outdated, new reference here: https://github.com/paritytech/subxt/blob/81494027c8f5ae62d44883167585d5e557f0fcba/testing/integration-tests/src/frame/sudo.rs#L26


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