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Introduces author_hasKey and author_hasSessionKeys rpc endpoints (#4720)

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* Introduces `author_hasKey` and `author_hasSessionKeys` rpc endpoints

Both endpoints can be used to check if a key is present in the keystore.

- `hasKey` works on with an individual public key and key type. It
checks if a private key for the given combination exists in the
keystore.
- `hasSessionKeys` works with the full encoded session key blob stored
on-chain in `nextKeys`. This requires that the given blob can be decoded
by the runtime. It will return `true`, iff all public keys of the
session key exist in the storage.

Fixes: https://github.com/paritytech/substrate/issues/4696

* Update client/rpc-api/src/author/error.rs

Co-Authored-By: Nikolay Volf <nikvolf@gmail.com>

* Indentation

Co-authored-by: Nikolay Volf <nikvolf@gmail.com>
This commit is contained in:
Bastian Köcher
2020-01-24 15:20:45 +01:00
committed by GitHub
parent 1614ce0996
commit fc99887de0
21 changed files with 223 additions and 34 deletions
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substrate/primitives/session/Cargo.toml
+2 -1
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@@ -7,8 +7,9 @@ edition = "2018"
[dependencies]
sp-api = { version = "2.0.0", default-features = false, path = "../api" }
sp-std = { version = "2.0.0", default-features = false, path = "../std" }
sp-core = { version = "2.0.0", default-features = false, path = "../core" }
sp-runtime = { version = "2.0.0", optional = true, path = "../runtime" }
[features]
default = [ "std" ]
std = [ "sp-api/std", "sp-std/std", "sp-runtime" ]
std = [ "sp-api/std", "sp-std/std", "sp-runtime", "sp-core/std" ]