Add E2E testing framework MVP (#1395)

* Add missing words to spellcheck dictionary

* Add `contracts-node.scale` metadata

Has been exported via

	cargo install subxt-cli
	subxt metadata > contracts-node.scale

For `substrate-contracts-node` v0.20.0.

* Run `substrate-contracts-node` in CI

* Invoke `cargo doc` separately for each crate

* Add MVP for E2E testing framework

* Add E2E tests for `contract-transfer` example

* Add ToDo comment for migration to `state_call` RPC

* Update to new `ink` entrance crate

* Add ToDo for `node_log_contains`

* Update to `ink` entrance crate

* Migrate to `state_call` RPC

* Always initialize `env_logger`

* Use latest `subxt` release

* Remove superfluous TODO

* Apply `cargo fmt`

* Adapt test fixtures

.config/cargo_spellcheck.dic

@@ -40,6 +40,7 @@ dereferencing
 deserialize/S
 deserialization
 dispatchable/S
+E2E
 encodable
 evaluable
 fuzzer
@@ -97,6 +98,7 @@ layout/JG
 namespace/S
 parameterize/SD
 runtime/S
+storable
 struct/S
 vec/S
 vector/S
@@ -107,4 +109,4 @@ natively
 payability
 unpayable
 initializer
-storable
+WebSocket/S

.gitlab-ci.yml

@@ -86,6 +86,9 @@ workflow:
   tags:
     - kubernetes-parity-build
 
+.start-substrate-contracts-node:                     &start-substrate-contracts-node
+    - substrate-contracts-node -linfo,runtime::contracts=debug  2>&1 | tee /tmp/contracts-node.log &
+
 #### stage:                        lint
 #
 # Note: For all of these lints we `allow_failure` so that the rest of the build can
@@ -280,11 +283,21 @@ docs:
     paths:
       - ./crate-docs/
   script:
-    - cargo doc --no-deps --all-features
-        -p scale-info -p ink_metadata -p ink_env
-        -p ink_storage -p ink_storage_traits
-        -p ink_primitives -p ink_prelude
-        -p ink -p ink_macro -p ink_ir -p ink_codegen
+    # All crate docs currently need to be built separately. The reason
+    # is that `smart-bench-macro` is a dependency now in a number of places.
+    # This crate uses e.g. `ink_metadata`, but in its published form. So if
+    # e.g. the `-p ink_metadata` is added to the `ink_lang` command  this
+    # results in the cargo failure "multiple packages with same spec, ambiguous".
+    - cargo doc --no-deps --all-features -p ink_env
+    - cargo doc --no-deps --all-features -p ink_storage
+    - cargo doc --no-deps --all-features -p ink_storage_traits
+    - cargo doc --no-deps --all-features -p ink_primitives
+    - cargo doc --no-deps --all-features -p ink_prelude
+    - cargo doc --no-deps --all-features -p ink
+    - cargo doc --no-deps --all-features -p ink_macro
+    - cargo doc --no-deps --all-features -p ink_ir
+    - cargo doc --no-deps --all-features -p ink_codegen
+    - cargo doc --no-deps --all-features -p ink_metadata
     - mv ${CARGO_TARGET_DIR}/doc ./crate-docs
     # FIXME: remove me after CI image gets nonroot
     - chown -R nonroot:nonroot ./crate-docs
@@ -347,6 +360,7 @@ examples-test:
     - job:                         clippy-std
       artifacts:                   false
   script:
+    - *start-substrate-contracts-node
     - for example in examples/*/; do
         if [ "$example" = "examples/upgradeable-contracts/" ]; then continue; fi;
         cargo test --verbose --manifest-path ${example}/Cargo.toml;

crates/env/Cargo.toml

@@ -50,6 +50,26 @@ secp256k1 = { version = "0.24", features = ["recovery", "global-context"], optio
 rand = { version = "0.8", default-features = false, features = ["alloc"], optional = true }
 scale-info = { version = "2", default-features = false, features = ["derive"], optional = true }
 
+contract-metadata = "2.0.0-alpha.2"
+impl-serde = { version = "0.3.1", default-features = false }
+jsonrpsee = { version = "0.14.0", features = ["ws-client"] }
+pallet-contracts-primitives = "6.0.0"
+serde = { version = "1.0.137", default-features = false, features = ["derive"] }
+serde_json = "1.0.81"
+tokio = { version = "1.18.2", features = ["rt-multi-thread"] }
+log = "0.4"
+env_logger = "0.8"
+subxt = "0.24.0"
+
+# Substrate
+sp-rpc = "6.0.0"
+sp-core = "6.0.0"
+sp-keyring = "6.0.0"
+sp-runtime = "6.0.0"
+
+# TODO(#xxx) `smart-bench_macro` needs to be forked.
+smart-bench-macro = { git = "https://github.com/paritytech/smart-bench", branch = "cmichi-ink-e2e-test-mvp", package = "smart-bench-macro"}
+
 [features]
 default = ["std"]
 std = [