contracts: Make Origin information available (#13708)

* contracts: allow root calls

* contracts: update ContractOrigin

* contracts: test allow root calls

* contracts: rustfmt

* contracts: test root caller traps

* contracts: add Caller enum

* contracts: improve some comments

* contracts: improve some comments

* contracts: format code with +nightly

* contracts: fix failing tests

* contracts: improve charte instantiate call when root origin

* contract: refactor common, call and instantiate inputs

* contracts: fix some failing test

* contracts: trap caller when there is no account id

* Update frame/contracts/src/lib.rs

Co-authored-by: PG Herveou <pgherveou@gmail.com>

* Update frame/contracts/src/exec.rs

Co-authored-by: PG Herveou <pgherveou@gmail.com>

* contracts: make `into_deposit` return zero when the origin is root

* contracts: cargo fmt

* contracts: charging and terminating tests refactored

* contracts: improved errors

* contracts: refactor & merge ContractOrigin cand Caller enums

* Update frame/contracts/src/lib.rs

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

* contracts: apply suggested pr changes

* contracts: rename Caller to Origin

* contracts: refactor run fn

* contracts: cr improvements

* contracts: allow root to use delegate call

* contracts: add caller_is_root weight

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* contracts: add caller_is_root benchmarking

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* contracts: add caller_is_root benchmarking

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* contracts: add some minor improvements

* contracts: make caller_is_root runtime fn unstable

* contracts: fix failing wasm test

* contracts: update benchmarking for origin_is_root

* contracts: improve seal_caller_is_root benchmarking

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* contracts: add small pr improvements

* contracts: fix broken tests after master merge

* contracts: acknowledge the default storage deposit limit

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts

* contracts: move origin to CommonInput

* contracts: add some extra tests

* contracts: move ensure origin logic inside invokable::run_guarded

* contracts: add minor improvements

* contracts: fix caller_is_root benchmarking

* contracts: improve function description

* Update frame/contracts/src/lib.rs

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

* Update frame/contracts/src/lib.rs

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

* Update frame/contracts/src/wasm/runtime.rs

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

* contracts: improve function description

---------

Co-authored-by: parity-processbot <>
Co-authored-by: PG Herveou <pgherveou@gmail.com>
Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

Author: 3 people

frame/contracts/src/benchmarking/mod.rs

@@ -534,6 +534,28 @@ benchmarks! {
 		let origin = RawOrigin::Signed(instance.caller.clone());
 	}: call(origin, instance.addr, 0u32.into(), Weight::MAX, None, vec![])
 
+	#[pov_mode = Measured]
+	seal_caller_is_root {
+		let r in 0 .. API_BENCHMARK_RUNS;
+
+		let code = WasmModule::<T>::from(ModuleDefinition {
+			memory: Some(ImportedMemory::max::<T>()),
+			imported_functions: vec![ImportedFunction {
+				module: "seal0",
+				name: "caller_is_root",
+				params: vec![],
+				return_type: Some(ValueType::I32),
+			}],
+			call_body: Some(body::repeated(r, &[
+				Instruction::Call(0),
+				Instruction::Drop,
+			])),
+			.. Default::default()
+		});
+		let instance = Contract::<T>::new(code, vec![])?;
+		let origin = RawOrigin::Root;
+	}: call(origin, instance.addr, 0u32.into(), Weight::MAX, None, vec![])
+
 	#[pov_mode = Measured]
 	seal_address {
 		let r in 0 .. API_BENCHMARK_RUNS;