feat(maker): add fee swapper contract (maker) (#14)

* WIP: add custom maker for Osmosis deployment

* WIP: maker first version

* WIP: add maker tests

* WIP: preapare test suite

* covering with tests

* more tests

* use spot price query instead of twap

* add test-tube based tests for maker

* linter happy

* bump deps

* add migration from dummy maker

* fix comment

* bump main crate version

Cargo.toml

@@ -23,4 +23,5 @@ astroport = { git = "https://github.com/astroport-fi/astroport-core", version =
 astroport-pcl-common = { git = "https://github.com/astroport-fi/astroport-core", version = "1.1.0" }
 astroport-circular-buffer = { git = "https://github.com/astroport-fi/astroport-core", version = "0.1.0" }
 astroport-native-coin-registry = "1.0.1"
-osmosis-std = "0.21"
+osmosis-std = "0.22"
+itertools = "0.12"

contracts/maker/Cargo.toml

@@ -0,0 +1,34 @@
+[package]
+name = "astroport-maker-osmosis"
+version = "1.0.0"
+authors = ["Astroport"]
+edition = "2021"
+description = "Astroport maker contract for Osmosis"
+license = "GPL-3.0-only"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[features]
+library = []
+
+[dependencies]
+cosmwasm-std = { version = "1", features = ["cosmwasm_1_1"] }
+cosmwasm-schema = "1"
+cw-storage-plus = "0.15"
+osmosis-std.workspace = true
+cw-utils = "1"
+cw2 = "1"
+astroport.workspace = true
+astroport-on-osmosis = { path = "../../packages/astroport_on_osmosis", version = "1" }
+astro-satellite-package = "1"
+thiserror = "1.0"
+itertools.workspace = true
+
+[dev-dependencies]
+cw-multi-test = { version = "0.20.0", features = ["cosmwasm_1_1"] }
+anyhow = "1"
+derivative = "2"
+astroport-native-coin-registry = { workspace = true }
+astroport-factory = { package = "astroport-factory-osmosis", path = "../factory" }
+astroport-pcl-osmo = { path = "../pair_concentrated" }

contracts/maker/src/error.rs

@@ -0,0 +1,63 @@
+use cosmwasm_std::{CheckedMultiplyRatioError, OverflowError, StdError};
+use cw2::VersionError;
+use cw_utils::PaymentError;
+use thiserror::Error;
+
+use astroport_on_osmosis::maker::{PoolRoute, MAX_ALLOWED_SPREAD, MAX_SWAPS_DEPTH};
+
+#[derive(Error, Debug, PartialEq)]
+pub enum ContractError {
+    #[error("{0}")]
+    Std(#[from] StdError),
+
+    #[error("{0}")]
+    OverflowError(#[from] OverflowError),
+
+    #[error("{0}")]
+    PaymentError(#[from] PaymentError),
+
+    #[error("{0}")]
+    CheckedMultiplyRatioError(#[from] CheckedMultiplyRatioError),
+
+    #[error("{0}")]
+    VersionError(#[from] VersionError),
+
+    #[error("Unauthorized")]
+    Unauthorized {},
+
+    #[error("Max spread too high. Max allowed: {MAX_ALLOWED_SPREAD}")]
+    MaxSpreadTooHigh {},
+
+    #[error("Incorrect cooldown. Min: {min}, Max: {max}")]
+    IncorrectCooldown { min: u64, max: u64 },
+
+    #[error("Empty routes")]
+    EmptyRoutes {},
+
+    #[error("Pool {pool_id} doesn't have denom {denom}")]
+    InvalidPoolDenom { pool_id: u64, denom: String },
+
+    #[error("Message contains duplicated routes")]
+    DuplicatedRoutes {},
+
+    #[error("Route cannot start with ASTRO. Error in route: {route:?}")]
+    AstroInRoute { route: PoolRoute },
+
+    #[error("No registered route for {denom}")]
+    RouteNotFound { denom: String },
+
+    #[error("Collect cooldown has not elapsed. Next collect is possible at {next_collect_ts}")]
+    Cooldown { next_collect_ts: u64 },
+
+    #[error("Failed to build route for {denom}. Max swap depth {MAX_SWAPS_DEPTH}. Check for possible loops. Route taken: {route_taken}")]
+    FailedToBuildRoute { denom: String, route_taken: String },
+
+    #[error("Invalid reply id")]
+    InvalidReplyId {},
+
+    #[error("Empty collectable assets vector")]
+    EmptyAssets {},
+
+    #[error("Nothing to collect")]
+    NothingToCollect {},
+}