add genesis liquidity implementation

substrate/genesis-liquidity/primitives/Cargo.toml

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+[package]
+name = "serai-genesis-liquidity-primitives"
+version = "0.1.0"
+description = "Serai genesis liquidity primitives"
+license = "MIT"
+repository = "https://github.com/serai-dex/serai/tree/develop/substrate/genesis-liquidity/primitives"
+authors = ["Akil Demir <aeg_asd@hotmail.com>"]
+edition = "2021"
+rust-version = "1.77"
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[lints]
+workspace = true
+
+[dependencies]
+serai-primitives = { path = "../../primitives", default-features = false }
+
+[features]
+std = [
+  "serai-primitives/std",
+]
+default = ["std"]

substrate/genesis-liquidity/primitives/LICENSE

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+MIT License
+
+Copyright (c) 2024 Luke Parker
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

substrate/genesis-liquidity/primitives/src/lib.rs

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+#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use serai_primitives::*;
+
+// amount of blocks in 30 days for 6s per block.
+pub const BLOCKS_PER_MONTH: u32 = 10 * 60 * 24 * 30;
+
+/// 180 days of blocks
+pub const GENESIS_SRI_TRICKLE_FEED: u64 = 10 * 60 * 24 * 180;
+
+// 100 Million SRI
+pub const GENESIS_SRI: u64 = 100_000_000 * 10_u64.pow(8);
+
+// This is the account which will be the origin for any dispatched `InInstruction`s.
+pub const GENESIS_LIQUIDITY_ACCOUNT: SeraiAddress = system_address(b"Genesis-liquidity-account");