Rename Palette to FRAME (#4182)

* palette -> frame

* PALETTE, Palette -> FRAME

* Move folder pallete -> frame

* Update docs/Structure.adoc

Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com>

* Update docs/README.adoc

Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com>

* Update README.adoc

substrate/frame/babe/src/mock.rs

@@ -0,0 +1,109 @@
+// Copyright 2019 Parity Technologies (UK) Ltd.
+// This file is part of Substrate.
+
+// Substrate is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Substrate is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Test utilities
+#![allow(dead_code, unused_imports)]
+
+use super::{Trait, Module, GenesisConfig};
+use babe_primitives::AuthorityId;
+use sr_primitives::{
+	traits::IdentityLookup, Perbill, testing::{Header, UintAuthorityId}, impl_opaque_keys,
+};
+use sr_version::RuntimeVersion;
+use support::{impl_outer_origin, parameter_types};
+use runtime_io;
+use primitives::{H256, Blake2Hasher};
+
+impl_outer_origin!{
+	pub enum Origin for Test {}
+}
+
+type DummyValidatorId = u64;
+
+// Workaround for https://github.com/rust-lang/rust/issues/26925 . Remove when sorted.
+#[derive(Clone, PartialEq, Eq, Debug)]
+pub struct Test;
+
+parameter_types! {
+	pub const BlockHashCount: u64 = 250;
+	pub const MaximumBlockWeight: u32 = 1024;
+	pub const MaximumBlockLength: u32 = 2 * 1024;
+	pub const AvailableBlockRatio: Perbill = Perbill::one();
+	pub const MinimumPeriod: u64 = 1;
+	pub const EpochDuration: u64 = 3;
+	pub const ExpectedBlockTime: u64 = 1;
+	pub const Version: RuntimeVersion = test_runtime::VERSION;
+	pub const DisabledValidatorsThreshold: Perbill = Perbill::from_percent(16);
+}
+
+impl system::Trait for Test {
+	type Origin = Origin;
+	type Index = u64;
+	type BlockNumber = u64;
+	type Call = ();
+	type Hash = H256;
+	type Version = Version;
+	type Hashing = sr_primitives::traits::BlakeTwo256;
+	type AccountId = DummyValidatorId;
+	type Lookup = IdentityLookup<Self::AccountId>;
+	type Header = Header;
+	type Event = ();
+	type BlockHashCount = BlockHashCount;
+	type MaximumBlockWeight = MaximumBlockWeight;
+	type AvailableBlockRatio = AvailableBlockRatio;
+	type MaximumBlockLength = MaximumBlockLength;
+}
+
+impl_opaque_keys! {
+	pub struct MockSessionKeys {
+		pub dummy: UintAuthorityId,
+	}
+}
+
+impl session::Trait for Test {
+	type Event = ();
+	type ValidatorId = <Self as system::Trait>::AccountId;
+	type ShouldEndSession = Babe;
+	type SessionHandler = (Babe,Babe,);
+	type OnSessionEnding = ();
+	type ValidatorIdOf = ();
+	type SelectInitialValidators = ();
+	type Keys = MockSessionKeys;
+	type DisabledValidatorsThreshold = DisabledValidatorsThreshold;
+}
+
+impl timestamp::Trait for Test {
+	type Moment = u64;
+	type OnTimestampSet = Babe;
+	type MinimumPeriod = MinimumPeriod;
+}
+
+impl Trait for Test {
+	type EpochDuration = EpochDuration;
+	type ExpectedBlockTime = ExpectedBlockTime;
+	type EpochChangeTrigger = crate::ExternalTrigger;
+}
+
+pub fn new_test_ext(authorities: Vec<DummyValidatorId>) -> runtime_io::TestExternalities {
+	let mut t = system::GenesisConfig::default().build_storage::<Test>().unwrap();
+	GenesisConfig {
+		authorities: authorities.into_iter().map(|a| (UintAuthorityId(a).to_public_key(), 1)).collect(),
+	}.assimilate_storage::<Test>(&mut t).unwrap();
+	t.into()
+}
+
+pub type System = system::Module<Test>;
+pub type Babe = Module<Test>;