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Babe VRF Signing in keystore (#6225)

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* Introduce trait

* Implement VRFSigner in keystore

* Use vrf_sign from keystore

* Convert output to VRFInOut

* Simplify conversion

* vrf_sign secondary slot using keystore

* Fix RPC call to claim_slot

* Use Public instead of Pair

* Check primary threshold in signer

* Fix interface to return error

* Move vrf_sign to BareCryptoStore

* Fix authorship_works test

* Fix BABE logic leaks

* Acquire a read lock once

* Also fix RPC acquiring the read lock once

* Implement a generic way to construct VRF Transcript

* Use make_transcript_data to call sr25519_vrf_sign

* Make sure VRFTranscriptData is serializable

* Cleanup

* Move VRF to it's own module

* Implement & test VRF signing in testing module

* Remove leftover

* Fix feature requirements

* Revert removing vec macro

* Drop keystore pointer to prevent deadlock

* Nitpicks

* Add test to make sure make_transcript works

* Fix mismatch in VRF transcript

* Add a test to verify transcripts match in babe

* Return VRFOutput and VRFProof from keystore
This commit is contained in:
Rakan Alhneiti
2020-06-18 20:37:49 +02:00
committed by GitHub
parent 4b5a0680e3
commit d25f460b63
15 changed files with 394 additions and 94 deletions
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substrate/client/consensus/babe/rpc/Cargo.toml
+1 -1
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@@ -27,12 +27,12 @@ derive_more = "0.99.2"
sp-api = { version = "2.0.0-rc3", path = "../../../../primitives/api" }
sp-consensus = { version = "0.8.0-rc3", path = "../../../../primitives/consensus/common" }
sp-core = { version = "2.0.0-rc3", path = "../../../../primitives/core" }
sp-application-crypto = { version = "2.0.0-rc3", path = "../../../../primitives/application-crypto" }
sc-keystore = { version = "2.0.0-rc3", path = "../../../keystore" }
[dev-dependencies]
sc-consensus = { version = "0.8.0-rc3", path = "../../../consensus/common" }
serde_json = "1.0.50"
sp-application-crypto = { version = "2.0.0-rc3", path = "../../../../primitives/application-crypto" }
sp-keyring = { version = "2.0.0-rc3", path = "../../../../primitives/keyring" }
substrate-test-runtime-client = { version = "2.0.0-rc3", path = "../../../../test-utils/runtime/client" }
tempfile = "3.1.0"