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Support for keyring in runtimes (#2044)

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This functionality is required for #1984.

This PR enables
[`sp-keyring`](https://github.com/paritytech/polkadot-sdk/blob/21d36b7b4229c4d5225944f197918cde23fda4ea/substrate/primitives/keyring/src/sr25519.rs#L31-L40)
in `no-std` environments, allowing to generate the public key (e.g.
`AccountKeyring::Alice.public().to_ss58check()`), which can be later
used in the any of built-in [_runtime-genesis-config_
variant](https://github.com/paritytech/polkadot-sdk/blob/21d36b7b4229c4d5225944f197918cde23fda4ea/polkadot/node/service/src/chain_spec.rs#L1066-L1073).


The proposal is as follows:
- expose [`core::Pair`
trait](https://github.com/paritytech/polkadot-sdk/blob/d6f15306282e3de848a09c9aa9cba6f95a7811f0/substrate/primitives/core/src/crypto.rs#L832)
in `no-std`,
- `full_crypto` feature enables `sign` method,
- `std` feature enables `generate_with_phrase` and `generate` methods
(randomness is required),
- All other functionality, currently gated by `full_crypto` will be
available unconditionally (`no-std`):
-- `from_string`
-- `from_string_with_seed`
-- `from seed`
-- `from_seed_slice`
-- `from_phrase`
-- `derive`
-- `verify`

---

Depends on https://github.com/rust-bitcoin/rust-bip39/pull/57

---------

Co-authored-by: command-bot <>
Co-authored-by: Davide Galassi <davxy@datawok.net>
This commit is contained in:
Michal Kucharczyk
2024-03-12 12:43:31 +01:00
committed by GitHub
parent 1ead59773e
commit a756baf3b2
30 changed files with 248 additions and 233 deletions
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substrate/test-utils/runtime/Cargo.toml
+3 -3
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@@ -24,9 +24,9 @@ sp-block-builder = { path = "../../primitives/block-builder", default-features =
codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive"] }
scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
sp-inherents = { path = "../../primitives/inherents", default-features = false }
sp-keyring = { path = "../../primitives/keyring", optional = true }
sp-keyring = { path = "../../primitives/keyring", default-features = false }
sp-offchain = { path = "../../primitives/offchain", default-features = false }
sp-core = { path = "../../primitives/core", default-features = false }
sp-core = { path = "../../primitives/core", default-features = false, features = ["serde"] }
sp-crypto-hashing = { path = "../../primitives/crypto/hashing", default-features = false }
sp-std = { path = "../../primitives/std", default-features = false }
sp-io = { path = "../../primitives/io", default-features = false }
@@ -99,7 +99,7 @@ std = [
"sp-genesis-builder/std",
"sp-inherents/std",
"sp-io/std",
"sp-keyring",
"sp-keyring/std",
"sp-offchain/std",
"sp-runtime/std",
"sp-session/std",