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Replace JSON metadata with custom metadata structures (#766)

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* Move module metadata from json string to custom metadata

* Revisit the metadata structures

1. Move the structures into the metadata crate.
2. Switch to using Cow/MaybeOwnedArray to support Encode/Decode

* Adapt to new metadata structures

* Convert event json metadata to new metadata structures

* Convert storage json metadata to new metadata structures

* Convert runtime metadata from json to new metadata structs

* Implements new metadata structures in client and runtime

* Fixes errors on `no_std`

* Fixes errors after rebasing master

* Do not use `Cow` anymore in metadata

Also replace `String` with our own type definition `StringBuf`.
This fixes compilation on `no_std`.

* Wrap `RuntimeMetadata` in `RuntimeMetadataVersioned` to support versioning

* Move metadata into `srml` and make core unaware of the implementation
This commit is contained in:
Bastian Köcher
2018-09-20 07:35:32 +02:00
committed by Gav Wood
parent 3c0da110f3
commit 5d64be26c3
22 changed files with 1138 additions and 843 deletions
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substrate/core/client/Cargo.toml
-1
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@@ -18,7 +18,6 @@ parity-codec = { version = "1.1" }
substrate-executor = { path = "../executor" }
substrate-primitives = { path = "../primitives" }
sr-io = { path = "../sr-io" }
substrate-metadata = { path = "../metadata" }
sr-primitives = { path = "../sr-primitives" }
substrate-state-machine = { path = "../state-machine" }
substrate-keyring = { path = "../../core/keyring" }