Remove usage of AccountKeyring

[programskillforverification]

Is there an existing issue?

• I have searched the existing issues

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• This is not a support question.

Motivation

https://github.com/paritytech/polkadot-sdk/blob/master/substrate/primitives/keyring/src/lib.rs#L34
Compared with AccountKeyring, Sr25519Keyring and Ed25519Keyring are more intuitive.
When both Sr25519Keyring and Ed25519Keyring are required, using AccountKeyring bring confusion. There are two AccountKeyring definitions, it becomes more complex if export two AccountKeyring from frame.

Request

remove all AccountKeyring, re-export Sr25519Keyring and Ed25519Keyring from frame so that don't need extra use sp-keyring

Solution

No response

Are you willing to help with this request?

Yes!

[bkontur]

Do you plan to do it as a part of #5804?

[programskillforverification]

Do you plan to do it as a part of #5804?

Yes.

[kianenigma]

If it is going to be part of the PR, I suggest either not creating a new issue that is going to be immediately closed, or please semantically link this issue to 5804 so that it will get closed when the PR is merged.

[programskillforverification]

If it is going to be part of the PR, I suggest either not creating a new issue that is going to be immediately closed, or please semantically link this issue to 5804 so that it will get closed when the PR is merged.

I see. Now, maybe I plan to create new PR due to effect too many files.