diff --git a/Cargo.lock b/Cargo.lock index 2ed3a1a75..70d4df0c2 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -168,7 +168,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "64bfeaf55f8dba5646cc3daddce17cd23a60f8e0c3fbacbe6735d287d7a6e33a" dependencies = [ "cosmwasm-std", - "cw-storage-plus", + "cw-storage-plus 0.11.1", "cw-utils", "schemars", "serde", @@ -181,7 +181,26 @@ version = "0.2.5" dependencies = [ "cosmwasm-schema", "cosmwasm-std", - "cw-multi-test", + "cw-multi-test 0.11.1", + "schemars", + "serde", + "thiserror", +] + +[[package]] +name = "cw-multi-test" +version = "0.10.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f89a6191b839adef794f9bb8610d6d99857188517cca378b694e670bd1be614f" +dependencies = [ + "anyhow", + "cosmwasm-std", + "cosmwasm-storage", + "cw-storage-plus 0.10.3", + "cw0", + "derivative", + "itertools", + "prost", "schemars", "serde", "thiserror", @@ -196,7 +215,7 @@ dependencies = [ "anyhow", "cosmwasm-std", "cosmwasm-storage", - "cw-storage-plus", + "cw-storage-plus 0.11.1", "cw-utils", "derivative", "itertools", @@ -206,6 +225,17 @@ dependencies = [ "thiserror", ] +[[package]] +name = "cw-storage-plus" +version = "0.10.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d3b8b840947313c1a1cccf056836cd79a60b4526bdcd6582995be37dc97be4ae" +dependencies = [ + "cosmwasm-std", + "schemars", + "serde", +] + [[package]] name = "cw-storage-plus" version = "0.11.1" @@ -229,6 +259,30 @@ dependencies = [ "thiserror", ] +[[package]] +name = "cw0" +version = "0.10.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ae676b6cced78a3d38ad4b01ab4ed66fc78ac191c3c0d6bfd5372cb2efd473b" +dependencies = [ + "cosmwasm-std", + "schemars", + "serde", + "thiserror", +] + +[[package]] +name = "cw2" +version = "0.10.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = 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You might want to commit them for convenience but they should not be part of the source code publication. + "contract.wasm", + "hash.txt", +] + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[lib] +crate-type = ["cdylib", "rlib"] + + +[features] +# for more explicit tests, cargo test --features=backtraces +backtraces = ["cosmwasm-std/backtraces"] +# use library feature to disable all instantiate/execute/query exports +library = [] + +[package.metadata.scripts] +optimize = """docker run --rm -v "$(pwd)":/code \ + --mount type=volume,source="$(basename "$(pwd)")_cache",target=/code/target \ + --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry \ + cosmwasm/rust-optimizer:0.12.3 +""" + +[dependencies] +cosmwasm-std = { version = "1.0.0-beta" } +cosmwasm-storage = { version = "1.0.0-beta" } +cw-storage-plus = "0.10" +cw2 = "0.10" +cw20 = "0.10" +cw20-base = { version = "0.10.0", features = ["library"] } +stake-cw20 = { version = "0.2.6", features = ["library"] } +schemars = "0.8.3" +serde = { version = "1.0.127", default-features = false, features = ["derive"] } +thiserror = { version = "1.0.26" } + +[dev-dependencies] +cosmwasm-schema = { version = "1.0.0-beta" } +cw-multi-test = { version = "0.10.0" } +anyhow = { version = "1.0.51"} diff --git a/contracts/stake-cw20-external-rewards/LICENSE b/contracts/stake-cw20-external-rewards/LICENSE new file mode 100644 index 000000000..d64569567 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/contracts/stake-cw20-external-rewards/NOTICE b/contracts/stake-cw20-external-rewards/NOTICE new file mode 100644 index 000000000..e607994b7 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/NOTICE @@ -0,0 +1,13 @@ +Copyright 2021 ben2x4 + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/contracts/stake-cw20-external-rewards/README.md b/contracts/stake-cw20-external-rewards/README.md new file mode 100644 index 000000000..0a87caefd --- /dev/null +++ b/contracts/stake-cw20-external-rewards/README.md @@ -0,0 +1,108 @@ +# CosmWasm Starter Pack + +This is a template to build smart contracts in Rust to run inside a +[Cosmos SDK](https://github.com/cosmos/cosmos-sdk) module on all chains that enable it. +To understand the framework better, please read the overview in the +[cosmwasm repo](https://github.com/CosmWasm/cosmwasm/blob/master/README.md), +and dig into the [cosmwasm docs](https://www.cosmwasm.com). +This assumes you understand the theory and just want to get coding. + +## Creating a new repo from template + +Assuming you have a recent version of rust and cargo (v1.55.0+) installed +(via [rustup](https://rustup.rs/)), +then the following should get you a new repo to start a contract: + +(Note that recent cargo-generate requires Rust 1.55 features or produces a compile error) + +Install [cargo-generate](https://github.com/ashleygwilliams/cargo-generate) and cargo-run-script. +Unless you did that before, run this line now: + +```sh +cargo install cargo-generate --features vendored-openssl +cargo install cargo-run-script +``` + +Now, use it to create your new contract. +Go to the folder in which you want to place it and run: + + +**Latest: 1.0.0-beta** + +```sh +cargo generate --git https://github.com/CosmWasm/cw-template.git --name PROJECT_NAME +```` + +**Older Version** + +Pass version as branch flag: + +```sh +cargo generate --git https://github.com/CosmWasm/cw-template.git --branch --name PROJECT_NAME +```` + +Example: + +```sh +cargo generate --git https://github.com/CosmWasm/cw-template.git --branch 0.16 --name PROJECT_NAME +``` + +You will now have a new folder called `PROJECT_NAME` (I hope you changed that to something else) +containing a simple working contract and build system that you can customize. + +## Create a Repo + +After generating, you have a initialized local git repo, but no commits, and no remote. +Go to a server (eg. github) and create a new upstream repo (called `YOUR-GIT-URL` below). +Then run the following: + +```sh +# this is needed to create a valid Cargo.lock file (see below) +cargo check +git branch -M main +git add . +git commit -m 'Initial Commit' +git remote add origin YOUR-GIT-URL +git push -u origin main +``` + +## CI Support + +We have template configurations for both [GitHub Actions](.github/workflows/Basic.yml) +and [Circle CI](.circleci/config.yml) in the generated project, so you can +get up and running with CI right away. + +One note is that the CI runs all `cargo` commands +with `--locked` to ensure it uses the exact same versions as you have locally. This also means +you must have an up-to-date `Cargo.lock` file, which is not auto-generated. +The first time you set up the project (or after adding any dep), you should ensure the +`Cargo.lock` file is updated, so the CI will test properly. This can be done simply by +running `cargo check` or `cargo unit-test`. + +## Using your project + +Once you have your custom repo, you should check out [Developing](./Developing.md) to explain +more on how to run tests and develop code. Or go through the +[online tutorial](https://docs.cosmwasm.com/) to get a better feel +of how to develop. + +[Publishing](./Publishing.md) contains useful information on how to publish your contract +to the world, once you are ready to deploy it on a running blockchain. And +[Importing](./Importing.md) contains information about pulling in other contracts or crates +that have been published. + +Please replace this README file with information about your specific project. You can keep +the `Developing.md` and `Publishing.md` files as useful referenced, but please set some +proper description in the README. + +## Gitpod integration + +[Gitpod](https://www.gitpod.io/) container-based development platform will be enabled on your project by default. + +Workspace contains: + - **rust**: for builds + - [wasmd](https://github.com/CosmWasm/wasmd): for local node setup and client + - **jq**: shell JSON manipulation tool + +Follow [Gitpod Getting Started](https://www.gitpod.io/docs/getting-started) and launch your workspace. + diff --git a/contracts/stake-cw20-external-rewards/examples/schema.rs b/contracts/stake-cw20-external-rewards/examples/schema.rs new file mode 100644 index 000000000..471c9237f --- /dev/null +++ b/contracts/stake-cw20-external-rewards/examples/schema.rs @@ -0,0 +1,24 @@ +use std::env::current_dir; +use std::fs::create_dir_all; + +use cosmwasm_schema::{export_schema, remove_schemas, schema_for}; + +use stake_cw20_external_rewards::msg::{ + ClaimableRewardsResponse, ExecuteMsg, InfoResponse, InstantiateMsg, QueryMsg, +}; +use stake_cw20_external_rewards::state::{Config, LastClaim}; + +fn main() { + let mut out_dir = current_dir().unwrap(); + out_dir.push("schema"); + create_dir_all(&out_dir).unwrap(); + remove_schemas(&out_dir).unwrap(); + + export_schema(&schema_for!(InstantiateMsg), &out_dir); + export_schema(&schema_for!(ExecuteMsg), &out_dir); + export_schema(&schema_for!(QueryMsg), &out_dir); + export_schema(&schema_for!(Config), &out_dir); + export_schema(&schema_for!(LastClaim), &out_dir); + export_schema(&schema_for!(InfoResponse), &out_dir); + export_schema(&schema_for!(ClaimableRewardsResponse), &out_dir); +} diff --git a/contracts/stake-cw20-external-rewards/schema/claimable_rewards_response.json b/contracts/stake-cw20-external-rewards/schema/claimable_rewards_response.json new file mode 100644 index 000000000..6866dd630 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/schema/claimable_rewards_response.json @@ -0,0 +1,19 @@ +{ + "$schema": "http://json-schema.org/draft-07/schema#", + "title": "ClaimableRewardsResponse", + "type": "object", + "required": [ + "amount" + ], + "properties": { + "amount": { + "$ref": "#/definitions/Uint128" + } + }, + "definitions": { + "Uint128": { + "description": "A thin wrapper around u128 that is using strings for JSON encoding/decoding, such that the full u128 range can be used for clients that convert JSON numbers to floats, like JavaScript and jq.\n\n# Examples\n\nUse `from` to create instances of this and `u128` to get the value out:\n\n``` # use cosmwasm_std::Uint128; let a = Uint128::from(123u128); assert_eq!(a.u128(), 123);\n\nlet b = Uint128::from(42u64); assert_eq!(b.u128(), 42);\n\nlet c = Uint128::from(70u32); assert_eq!(c.u128(), 70); ```", + "type": "string" + } + } +} diff --git a/contracts/stake-cw20-external-rewards/schema/config.json b/contracts/stake-cw20-external-rewards/schema/config.json new file mode 100644 index 000000000..82542eb57 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/schema/config.json @@ -0,0 +1,85 @@ +{ + "$schema": "http://json-schema.org/draft-07/schema#", + "title": "Config", + "type": "object", + "required": [ + "blocks_between_payments", + "denom", + "end_block", + "funded", + "payment_per_block", + "staking_contract", + "start_block", + "total_amount" + ], + "properties": { + "blocks_between_payments": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "denom": { + "$ref": "#/definitions/Denom" + }, + "end_block": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "funded": { + "type": "boolean" + }, + "payment_per_block": { + "$ref": "#/definitions/Uint128" + }, + "staking_contract": { + "$ref": "#/definitions/Addr" + }, + "start_block": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "total_amount": { + "$ref": "#/definitions/Uint128" + } + }, + "definitions": { + "Addr": { + "description": "A human readable address.\n\nIn Cosmos, this is typically bech32 encoded. But for multi-chain smart contracts no assumptions should be made other than being UTF-8 encoded and of reasonable length.\n\nThis type represents a validated address. It can be created in the following ways 1. Use `Addr::unchecked(input)` 2. Use `let checked: Addr = deps.api.addr_validate(input)?` 3. Use `let checked: Addr = deps.api.addr_humanize(canonical_addr)?` 4. Deserialize from JSON. This must only be done from JSON that was validated before such as a contract's state. `Addr` must not be used in messages sent by the user because this would result in unvalidated instances.\n\nThis type is immutable. If you really need to mutate it (Really? Are you sure?), create a mutable copy using `let mut mutable = Addr::to_string()` and operate on that `String` instance.", + "type": "string" + }, + "Denom": { + "oneOf": [ + { + "type": "object", + "required": [ + "native" + ], + "properties": { + "native": { + "type": "string" + } + }, + "additionalProperties": false + }, + { + "type": "object", + "required": [ + "cw20" + ], + "properties": { + "cw20": { + "$ref": "#/definitions/Addr" + } + }, + "additionalProperties": false + } + ] + }, + "Uint128": { + "description": "A thin wrapper around u128 that is using strings for JSON encoding/decoding, such that the full u128 range can be used for clients that convert JSON numbers to floats, like JavaScript and jq.\n\n# Examples\n\nUse `from` to create instances of this and `u128` to get the value out:\n\n``` # use cosmwasm_std::Uint128; let a = Uint128::from(123u128); assert_eq!(a.u128(), 123);\n\nlet b = Uint128::from(42u64); assert_eq!(b.u128(), 42);\n\nlet c = Uint128::from(70u32); assert_eq!(c.u128(), 70); ```", + "type": "string" + } + } +} diff --git a/contracts/stake-cw20-external-rewards/schema/execute_msg.json b/contracts/stake-cw20-external-rewards/schema/execute_msg.json new file mode 100644 index 000000000..be6af13c1 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/schema/execute_msg.json @@ -0,0 +1,82 @@ +{ + "$schema": "http://json-schema.org/draft-07/schema#", + "title": "ExecuteMsg", + "oneOf": [ + { + "type": "object", + "required": [ + "claim" + ], + "properties": { + "claim": { + "type": "object" + } + }, + "additionalProperties": false + }, + { + "type": "object", + "required": [ + "receive" + ], + "properties": { + "receive": { + "$ref": "#/definitions/Cw20ReceiveMsg" + } + }, + "additionalProperties": false + }, + { + "type": "object", + "required": [ + "claim_up_to_block" + ], + "properties": { + "claim_up_to_block": { + "type": "object", + "required": [ + "block" + ], + "properties": { + "block": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + } + } + } + }, + "additionalProperties": false + } + ], + "definitions": { + "Binary": { + "description": "Binary is a wrapper around Vec to add base64 de/serialization with serde. It also adds some helper methods to help encode inline.\n\nThis is only needed as serde-json-{core,wasm} has a horrible encoding for Vec", + "type": "string" + }, + "Cw20ReceiveMsg": { + "description": "Cw20ReceiveMsg should be de/serialized under `Receive()` variant in a ExecuteMsg", + "type": "object", + "required": [ + "amount", + "msg", + "sender" + ], + "properties": { + "amount": { + "$ref": "#/definitions/Uint128" + }, + "msg": { + "$ref": "#/definitions/Binary" + }, + "sender": { + "type": "string" + } + } + }, + "Uint128": { + "description": "A thin wrapper around u128 that is using strings for JSON encoding/decoding, such that the full u128 range can be used for clients that convert JSON numbers to floats, like JavaScript and jq.\n\n# Examples\n\nUse `from` to create instances of this and `u128` to get the value out:\n\n``` # use cosmwasm_std::Uint128; let a = Uint128::from(123u128); assert_eq!(a.u128(), 123);\n\nlet b = Uint128::from(42u64); assert_eq!(b.u128(), 42);\n\nlet c = Uint128::from(70u32); assert_eq!(c.u128(), 70); ```", + "type": "string" + } + } +} diff --git a/contracts/stake-cw20-external-rewards/schema/info_response.json b/contracts/stake-cw20-external-rewards/schema/info_response.json new file mode 100644 index 000000000..a6e02a29c --- /dev/null +++ b/contracts/stake-cw20-external-rewards/schema/info_response.json @@ -0,0 +1,85 @@ +{ + "$schema": "http://json-schema.org/draft-07/schema#", + "title": "InfoResponse", + "type": "object", + "required": [ + "blocks_between_payments", + "denom", + "end_block", + "funded", + "payment_per_block", + "staking_contract", + "start_block", + "total_amount" + ], + "properties": { + "blocks_between_payments": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "denom": { + "$ref": "#/definitions/Denom" + }, + "end_block": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "funded": { + "type": "boolean" + }, + "payment_per_block": { + "$ref": "#/definitions/Uint128" + }, + "staking_contract": { + "type": "string" + }, + "start_block": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "total_amount": { + "$ref": "#/definitions/Uint128" + } + }, + "definitions": { + "Addr": { + "description": "A human readable address.\n\nIn Cosmos, this is typically bech32 encoded. But for multi-chain smart contracts no assumptions should be made other than being UTF-8 encoded and of reasonable length.\n\nThis type represents a validated address. It can be created in the following ways 1. Use `Addr::unchecked(input)` 2. Use `let checked: Addr = deps.api.addr_validate(input)?` 3. Use `let checked: Addr = deps.api.addr_humanize(canonical_addr)?` 4. Deserialize from JSON. This must only be done from JSON that was validated before such as a contract's state. `Addr` must not be used in messages sent by the user because this would result in unvalidated instances.\n\nThis type is immutable. If you really need to mutate it (Really? Are you sure?), create a mutable copy using `let mut mutable = Addr::to_string()` and operate on that `String` instance.", + "type": "string" + }, + "Denom": { + "oneOf": [ + { + "type": "object", + "required": [ + "native" + ], + "properties": { + "native": { + "type": "string" + } + }, + "additionalProperties": false + }, + { + "type": "object", + "required": [ + "cw20" + ], + "properties": { + "cw20": { + "$ref": "#/definitions/Addr" + } + }, + "additionalProperties": false + } + ] + }, + "Uint128": { + "description": "A thin wrapper around u128 that is using strings for JSON encoding/decoding, such that the full u128 range can be used for clients that convert JSON numbers to floats, like JavaScript and jq.\n\n# Examples\n\nUse `from` to create instances of this and `u128` to get the value out:\n\n``` # use cosmwasm_std::Uint128; let a = Uint128::from(123u128); assert_eq!(a.u128(), 123);\n\nlet b = Uint128::from(42u64); assert_eq!(b.u128(), 42);\n\nlet c = Uint128::from(70u32); assert_eq!(c.u128(), 70); ```", + "type": "string" + } + } +} diff --git a/contracts/stake-cw20-external-rewards/schema/instantiate_msg.json b/contracts/stake-cw20-external-rewards/schema/instantiate_msg.json new file mode 100644 index 000000000..a84e39346 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/schema/instantiate_msg.json @@ -0,0 +1,81 @@ +{ + "$schema": "http://json-schema.org/draft-07/schema#", + "title": "InstantiateMsg", + "type": "object", + "required": [ + "denom", + "distribution_token", + "end_block", + "payment_block_delta", + "payment_per_block", + "start_block", + "total_amount" + ], + "properties": { + "denom": { + "$ref": "#/definitions/Denom" + }, + "distribution_token": { + "type": "string" + }, + "end_block": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "payment_block_delta": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "payment_per_block": { + "$ref": "#/definitions/Uint128" + }, + "start_block": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "total_amount": { + "$ref": "#/definitions/Uint128" + } + }, + "definitions": { + "Addr": { + "description": "A human readable address.\n\nIn Cosmos, this is typically bech32 encoded. But for multi-chain smart contracts no assumptions should be made other than being UTF-8 encoded and of reasonable length.\n\nThis type represents a validated address. It can be created in the following ways 1. Use `Addr::unchecked(input)` 2. Use `let checked: Addr = deps.api.addr_validate(input)?` 3. Use `let checked: Addr = deps.api.addr_humanize(canonical_addr)?` 4. Deserialize from JSON. This must only be done from JSON that was validated before such as a contract's state. `Addr` must not be used in messages sent by the user because this would result in unvalidated instances.\n\nThis type is immutable. If you really need to mutate it (Really? Are you sure?), create a mutable copy using `let mut mutable = Addr::to_string()` and operate on that `String` instance.", + "type": "string" + }, + "Denom": { + "oneOf": [ + { + "type": "object", + "required": [ + "native" + ], + "properties": { + "native": { + "type": "string" + } + }, + "additionalProperties": false + }, + { + "type": "object", + "required": [ + "cw20" + ], + "properties": { + "cw20": { + "$ref": "#/definitions/Addr" + } + }, + "additionalProperties": false + } + ] + }, + "Uint128": { + "description": "A thin wrapper around u128 that is using strings for JSON encoding/decoding, such that the full u128 range can be used for clients that convert JSON numbers to floats, like JavaScript and jq.\n\n# Examples\n\nUse `from` to create instances of this and `u128` to get the value out:\n\n``` # use cosmwasm_std::Uint128; let a = Uint128::from(123u128); assert_eq!(a.u128(), 123);\n\nlet b = Uint128::from(42u64); assert_eq!(b.u128(), 42);\n\nlet c = Uint128::from(70u32); assert_eq!(c.u128(), 70); ```", + "type": "string" + } + } +} diff --git a/contracts/stake-cw20-external-rewards/schema/last_claim.json b/contracts/stake-cw20-external-rewards/schema/last_claim.json new file mode 100644 index 000000000..d8c799472 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/schema/last_claim.json @@ -0,0 +1,33 @@ +{ + "$schema": "http://json-schema.org/draft-07/schema#", + "title": "LastClaim", + "type": "object", + "required": [ + "block_height", + "time" + ], + "properties": { + "block_height": { + "type": "integer", + "format": "uint64", + "minimum": 0.0 + }, + "time": { + "$ref": "#/definitions/Timestamp" + } + }, + "definitions": { + "Timestamp": { + "description": "A point in time in nanosecond precision.\n\nThis type can represent times from 1970-01-01T00:00:00Z to 2554-07-21T23:34:33Z.\n\n## Examples\n\n``` # use cosmwasm_std::Timestamp; let ts = Timestamp::from_nanos(1_000_000_202); assert_eq!(ts.nanos(), 1_000_000_202); assert_eq!(ts.seconds(), 1); assert_eq!(ts.subsec_nanos(), 202);\n\nlet ts = ts.plus_seconds(2); assert_eq!(ts.nanos(), 3_000_000_202); assert_eq!(ts.seconds(), 3); assert_eq!(ts.subsec_nanos(), 202); ```", + "allOf": [ + { + "$ref": "#/definitions/Uint64" + } + ] + }, + "Uint64": { + "description": "A thin wrapper around u64 that is using strings for JSON encoding/decoding, such that the full u64 range can be used for clients that convert JSON numbers to floats, like JavaScript and jq.\n\n# Examples\n\nUse `from` to create instances of this and `u64` to get the value out:\n\n``` # use cosmwasm_std::Uint64; let a = Uint64::from(42u64); assert_eq!(a.u64(), 42);\n\nlet b = Uint64::from(70u32); assert_eq!(b.u64(), 70); ```", + "type": "string" + } + } +} diff --git a/contracts/stake-cw20-external-rewards/schema/query_msg.json b/contracts/stake-cw20-external-rewards/schema/query_msg.json new file mode 100644 index 000000000..e1de5c2ee --- /dev/null +++ b/contracts/stake-cw20-external-rewards/schema/query_msg.json @@ -0,0 +1,44 @@ +{ + "$schema": "http://json-schema.org/draft-07/schema#", + "title": "QueryMsg", + "oneOf": [ + { + "type": "object", + "required": [ + "info" + ], + "properties": { + "info": { + "type": "object" + } + }, + "additionalProperties": false + }, + { + "type": "object", + "required": [ + "claimable_rewards" + ], + "properties": { + "claimable_rewards": { + "type": "object", + "required": [ + "address" + ], + "properties": { + "address": { + "$ref": "#/definitions/Addr" + } + } + } + }, + "additionalProperties": false + } + ], + "definitions": { + "Addr": { + "description": "A human readable address.\n\nIn Cosmos, this is typically bech32 encoded. But for multi-chain smart contracts no assumptions should be made other than being UTF-8 encoded and of reasonable length.\n\nThis type represents a validated address. It can be created in the following ways 1. Use `Addr::unchecked(input)` 2. Use `let checked: Addr = deps.api.addr_validate(input)?` 3. Use `let checked: Addr = deps.api.addr_humanize(canonical_addr)?` 4. Deserialize from JSON. This must only be done from JSON that was validated before such as a contract's state. `Addr` must not be used in messages sent by the user because this would result in unvalidated instances.\n\nThis type is immutable. If you really need to mutate it (Really? Are you sure?), create a mutable copy using `let mut mutable = Addr::to_string()` and operate on that `String` instance.", + "type": "string" + } + } +} diff --git a/contracts/stake-cw20-external-rewards/src/contract.rs b/contracts/stake-cw20-external-rewards/src/contract.rs new file mode 100644 index 000000000..333ddf945 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/src/contract.rs @@ -0,0 +1,1328 @@ +#[cfg(not(feature = "library"))] +use cosmwasm_std::entry_point; +use cosmwasm_std::{ + from_binary, to_binary, Addr, BankMsg, Binary, Coin, CosmosMsg, Deps, DepsMut, Env, + MessageInfo, QuerierWrapper, Response, StdResult, Timestamp, Uint128, WasmMsg, +}; +use cw20::{Cw20ExecuteMsg, Cw20ReceiveMsg, Denom}; +use std::cmp::min; + +use crate::error::ContractError; +use crate::error::ContractError::RewardsNotStarted; +use crate::msg::{ + ClaimableRewardsResponse, ExecuteMsg, InfoResponse, InstantiateMsg, QueryMsg, ReceiveMsg, +}; +use crate::state::{Config, LastClaim, CONFIG, LAST_CLAIMED}; + +#[cfg_attr(not(feature = "library"), entry_point)] +pub fn instantiate( + deps: DepsMut, + env: Env, + _info: MessageInfo, + msg: InstantiateMsg, +) -> Result { + validate_instantiate_msg(&env, &msg)?; + let config = Config { + start_block: msg.start_block, + end_block: msg.end_block, + payment_per_block: msg.payment_per_block, + total_amount: msg.total_amount, + denom: msg.denom.clone(), + staking_contract: deps.api.addr_validate(&*msg.distribution_token)?, + funded: match msg.denom { + Denom::Native(_) => true, + Denom::Cw20(_) => false, + }, + blocks_between_payments: msg.payment_block_delta, + }; + CONFIG.save(deps.storage, &config)?; + Ok(Response::default()) +} + +pub fn validate_instantiate_msg(env: &Env, msg: &InstantiateMsg) -> Result<(), ContractError> { + if env.block.height > msg.start_block { + return Err(ContractError::StartBlockAlreadyOccurred {}); + } + if msg.start_block > msg.end_block { + return Err(ContractError::StartBlockAfterEndBlock {}); + } + if (msg.end_block - msg.start_block) % msg.payment_block_delta != 0 { + return Err(ContractError::StartAndEndBlocksNotDivisibleByBlocksBetweenPayments {}); + } + let duration = Uint128::from((msg.end_block - msg.start_block) + msg.payment_block_delta); + let calculated_total = duration + .checked_mul(msg.payment_per_block) + .map_err(cosmwasm_std::StdError::overflow)?; + if calculated_total != msg.total_amount { + println!("{}, {}", calculated_total, msg.total_amount); + return Err(ContractError::InvalidTotalAmount {}); + } + Ok(()) +} + +#[cfg_attr(not(feature = "library"), entry_point)] +pub fn execute( + deps: DepsMut, + env: Env, + info: MessageInfo, + msg: ExecuteMsg, +) -> Result { + match msg { + ExecuteMsg::Claim {} => try_claim(deps, env.clone(), info, env.block.height), + ExecuteMsg::Receive(msg) => try_receive(deps, env, info, msg), + ExecuteMsg::ClaimUpToBlock { block } => try_claim(deps, env, info, block), + } +} + +pub fn try_receive( + deps: DepsMut, + env: Env, + info: MessageInfo, + wrapper: Cw20ReceiveMsg, +) -> Result { + let msg: ReceiveMsg = from_binary(&wrapper.msg)?; + match msg { + ReceiveMsg::Fund {} => try_fund(deps, env, info, wrapper.amount), + } +} + +pub fn try_fund( + deps: DepsMut, + _env: Env, + info: MessageInfo, + amount: Uint128, +) -> Result { + let mut config = CONFIG.load(deps.storage)?; + if config.funded { + return Err(ContractError::AlreadyFunded {}); + } + if config.denom != Denom::Cw20(info.sender) { + return Err(ContractError::IncorrectDenom {}); + } + if amount != config.total_amount { + return Err(ContractError::IncorrectFundingAmount { + received: amount, + expected: config.total_amount, + }); + } + config.funded = true; + CONFIG.save(deps.storage, &config)?; + Ok(Response::new() + .add_attribute("action", "fund") + .add_attribute("amount", amount)) +} + +pub fn try_claim( + deps: DepsMut, + env: Env, + info: MessageInfo, + up_to_block: u64, +) -> Result { + if up_to_block > env.block.height { + return Err(ContractError::InvalidFutureBlock {}); + } + let config = CONFIG.load(deps.storage)?; + if !config.funded { + return Err(ContractError::NotFunded {}); + }; + if env.block.height < config.start_block { + return Err(RewardsNotStarted { + current_block: env.block.height, + start_block: config.start_block, + }); + } + let last_claimed = LAST_CLAIMED + .may_load(deps.storage, info.sender.clone())? + .unwrap_or(LastClaim { + block_height: config.start_block, + time: Timestamp::default(), + }); + let (amount_owed, new_claim_height) = get_amount_owed( + deps.as_ref(), + &info.sender, + &config, + last_claimed.block_height, + up_to_block, + )?; + + if amount_owed == Uint128::zero() { + return Err(ContractError::ZeroClaimable {}); + } + + let new_claim = LastClaim { + block_height: new_claim_height, + time: env.block.time, + }; + LAST_CLAIMED.save(deps.storage, info.sender.clone(), &new_claim)?; + + let payment_msg = get_payment_msg(&env, &config, &info, amount_owed)?; + + Ok(Response::new() + .add_message(payment_msg) + .add_attribute("action", "claim") + .add_attribute("amount", amount_owed)) +} + +fn get_amount_owed( + deps: Deps, + address: &Addr, + config: &Config, + last_claimed: u64, + up_to_block: u64, +) -> StdResult<(Uint128, u64)> { + let delta = config.blocks_between_payments; + let mut current_block = last_claimed; + let mut amount = Uint128::zero(); + while current_block <= min(up_to_block, config.end_block) { + let stake_info = get_stake_info_at_height(deps.querier, config, address, current_block)?; + if stake_info.balance > Uint128::zero() { + amount += ((Uint128::from(delta) * config.payment_per_block) * stake_info.balance) + .checked_div(stake_info.total)? + } + current_block += delta; + } + Ok((amount, current_block)) +} + +fn get_payment_msg( + _env: &Env, + config: &Config, + info: &MessageInfo, + amount: Uint128, +) -> StdResult { + Ok(match config.clone().denom { + Denom::Native(denom) => BankMsg::Send { + to_address: info.sender.to_string(), + amount: vec![Coin { amount, denom }], + } + .into(), + Denom::Cw20(address) => { + let transfer = Cw20ExecuteMsg::Transfer { + recipient: info.sender.to_string(), + amount, + }; + WasmMsg::Execute { + contract_addr: address.to_string(), + msg: to_binary(&transfer)?, + funds: vec![], + } + .into() + } + }) +} + +struct StakeInfo { + pub balance: Uint128, + pub total: Uint128, +} +fn get_stake_info_at_height( + deps: QuerierWrapper, + config: &Config, + address: &Addr, + height: u64, +) -> StdResult { + let balance_query = stake_cw20::msg::QueryMsg::StakedBalanceAtHeight { + address: address.to_string(), + height: Some(height), + }; + let balance_response: stake_cw20::msg::StakedBalanceAtHeightResponse = + deps.query_wasm_smart(config.staking_contract.to_string(), &balance_query)?; + let total_query = stake_cw20::msg::QueryMsg::TotalStakedAtHeight { + height: Some(height), + }; + let total_response: stake_cw20::msg::TotalStakedAtHeightResponse = + deps.query_wasm_smart(config.staking_contract.to_string(), &total_query)?; + Ok(StakeInfo { + balance: balance_response.balance, + total: total_response.total, + }) +} + +#[cfg_attr(not(feature = "library"), entry_point)] +pub fn query(deps: Deps, env: Env, msg: QueryMsg) -> StdResult { + match msg { + QueryMsg::Info {} => to_binary(&query_info(deps)?), + QueryMsg::ClaimableRewards { address } => { + to_binary(&query_claimable_rewards(deps, env, address)?) + } + } +} + +pub fn query_info(deps: Deps) -> StdResult { + let config = CONFIG.load(deps.storage)?; + Ok(InfoResponse { + start_block: config.start_block, + end_block: config.end_block, + payment_per_block: config.payment_per_block, + total_amount: config.total_amount, + denom: config.denom, + staking_contract: config.staking_contract.to_string(), + blocks_between_payments: config.blocks_between_payments, + funded: config.funded, + }) +} + +pub fn query_claimable_rewards( + deps: Deps, + env: Env, + address: Addr, +) -> StdResult { + let config = CONFIG.load(deps.storage)?; + let last_claimed = LAST_CLAIMED + .may_load(deps.storage, address.clone())? + .unwrap_or(LastClaim { + block_height: config.start_block, + time: Timestamp::default(), + }); + let (amount, _) = get_amount_owed( + deps, + &address, + &config, + last_claimed.block_height, + env.block.height, + )?; + Ok(ClaimableRewardsResponse { amount }) +} + +#[cfg(test)] +mod tests { + use super::*; + use std::borrow::BorrowMut; + + use crate::msg::ExecuteMsg::{Claim, ClaimUpToBlock}; + use crate::msg::QueryMsg::{ClaimableRewards, Info}; + use cosmwasm_std::Empty; + use cw20::{Cw20Coin, Cw20Contract}; + use cw_multi_test::{next_block, App, Contract, ContractWrapper, Executor}; + + const OWNER: &str = "owner0001"; + const ADDR1: &str = "addr0001"; + const ADDR2: &str = "addr0002"; + const ADDR3: &str = "addr0003"; + const ADDR4: &str = "addr0004"; + const INITIAL_BALANCE: u32 = 1000; + + pub fn contract_rewards() -> Box> { + let contract = ContractWrapper::new( + crate::contract::execute, + crate::contract::instantiate, + crate::contract::query, + ); + Box::new(contract) + } + + pub fn contract_cw20() -> Box> { + let contract = ContractWrapper::new( + cw20_base::contract::execute, + cw20_base::contract::instantiate, + cw20_base::contract::query, + ); + Box::new(contract) + } + + pub fn contract_stake_cw20() -> Box> { + let contract = ContractWrapper::new( + stake_cw20::contract::execute, + stake_cw20::contract::instantiate, + stake_cw20::contract::query, + ); + Box::new(contract) + } + + fn mock_app() -> App { + App::default() + } + + // uploads code and returns address of cw20 contract + fn instantiate_cw20(app: &mut App) -> Addr { + let cw20_id = app.store_code(contract_cw20()); + let msg = cw20_base::msg::InstantiateMsg { + name: "test".to_string(), + symbol: "STAKE".to_string(), + decimals: 0, + initial_balances: vec![ + Cw20Coin { + address: Addr::unchecked(ADDR1).to_string(), + amount: Uint128::from(INITIAL_BALANCE), + }, + Cw20Coin { + address: Addr::unchecked(ADDR2).to_string(), + amount: Uint128::from(INITIAL_BALANCE), + }, + Cw20Coin { + address: Addr::unchecked(ADDR3).to_string(), + amount: Uint128::from(INITIAL_BALANCE), + }, + Cw20Coin { + address: Addr::unchecked(ADDR4).to_string(), + amount: Uint128::from(INITIAL_BALANCE), + }, + ], + mint: None, + marketing: None, + }; + let token_contract = app + .instantiate_contract(cw20_id, Addr::unchecked(OWNER), &msg, &[], "cw20", None) + .unwrap(); + + let stake_cw20_id = app.store_code(contract_stake_cw20()); + let msg = stake_cw20::msg::InstantiateMsg { + admin: None, + token_address: token_contract.clone(), + unstaking_duration: None, + }; + + let stake_contract = app + .instantiate_contract( + stake_cw20_id, + Addr::unchecked(OWNER), + &msg, + &[], + "cw20", + None, + ) + .unwrap(); + + app.execute_contract( + Addr::unchecked(ADDR1), + token_contract.clone(), + &cw20::Cw20ExecuteMsg::Send { + contract: stake_contract.to_string(), + amount: Uint128::from(INITIAL_BALANCE), + msg: to_binary(&stake_cw20::msg::ReceiveMsg::Stake {}).unwrap(), + }, + &[], + ) + .unwrap(); + app.execute_contract( + Addr::unchecked(ADDR2), + token_contract.clone(), + &cw20::Cw20ExecuteMsg::Send { + contract: stake_contract.to_string(), + amount: Uint128::from(INITIAL_BALANCE), + msg: to_binary(&stake_cw20::msg::ReceiveMsg::Stake {}).unwrap(), + }, + &[], + ) + .unwrap(); + app.execute_contract( + Addr::unchecked(ADDR3), + token_contract.clone(), + &cw20::Cw20ExecuteMsg::Send { + contract: stake_contract.to_string(), + amount: Uint128::from(INITIAL_BALANCE), + msg: to_binary(&stake_cw20::msg::ReceiveMsg::Stake {}).unwrap(), + }, + &[], + ) + .unwrap(); + app.execute_contract( + Addr::unchecked(ADDR4), + token_contract, + &cw20::Cw20ExecuteMsg::Send { + contract: stake_contract.to_string(), + amount: Uint128::from(INITIAL_BALANCE), + msg: to_binary(&stake_cw20::msg::ReceiveMsg::Stake {}).unwrap(), + }, + &[], + ) + .unwrap(); + + stake_contract + } + + fn instantiate_rewards( + app: &mut App, + msg: InstantiateMsg, + funds: &[Coin], + ) -> anyhow::Result { + let contract_id = app.store_code(contract_rewards()); + app.instantiate_contract( + contract_id, + Addr::unchecked(OWNER), + &msg, + funds, + "rewards", + None, + ) + } + + #[test] + fn proper_initialization() { + let mut app = mock_app(); + app.borrow_mut().update_block(|b| b.height = 0); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 1000, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Native("utest".to_string()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + let _reward = instantiate_rewards(&mut app, instantiate_msg, &[]).unwrap(); + } + + #[test] + fn basic_native_distribution() { + let mut app = mock_app(); + app.borrow_mut().update_block(|block| block.height = 0); + let denom = "utest".to_string(); + let owner = Addr::unchecked(OWNER); + + let init_funds = vec![Coin { + denom: denom.clone(), + amount: Uint128::new(16000), + }]; + app.borrow_mut().init_modules(|router, _, storage| { + router + .bank + .init_balance(storage, &owner, init_funds.clone()) + .unwrap() + }); + + println!( + "native balance: {}", + app.wrap() + .query_balance(owner, denom.clone()) + .unwrap() + .amount + ); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 1000, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Native(denom.clone()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + app.borrow_mut().update_block(next_block); + + let reward = instantiate_rewards(&mut app, instantiate_msg, &init_funds).unwrap(); + + let res: stake_cw20::msg::StakedBalanceAtHeightResponse = app + .wrap() + .query_wasm_smart( + stakeable_token, + &stake_cw20::msg::QueryMsg::StakedBalanceAtHeight { + address: ADDR1.to_string(), + height: None, + }, + ) + .unwrap(); + assert_eq!(res.balance, Uint128::new(1000)); + + // No claim before start block + app.borrow_mut().update_block(|block| block.height = 500); + let err: ContractError = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap_err() + .downcast() + .unwrap(); + assert_eq!( + err, + RewardsNotStarted { + current_block: 500, + start_block: 1000 + } + ); + + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR1), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::zero()); + + // Fist claim + app.borrow_mut().update_block(|block| block.height = 1001); + // Test query works + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(1000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR1), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(1000)); + + // Can't claim twice + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(0)); + app.borrow_mut().update_block(|block| block.height = 1020); + let err = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap_err(); + assert_eq!(ContractError::ZeroClaimable {}, err.downcast().unwrap()); + + // Second claim + app.borrow_mut().update_block(|block| block.height = 2011); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(1000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR1), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(2000)); + + // Addr2 claims two epochs at once + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR2), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::zero()); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR2), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(2000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR2), reward.clone(), &Claim {}, &[]) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR2), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(2000)); + + // Third claim + app.borrow_mut().update_block(|block| block.height = 3001); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(1000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR1), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(3000)); + + // 4th claim + app.borrow_mut().update_block(|block| block.height = 4001); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(1000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR1), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(4000)); + + // Rewards finished + app.borrow_mut().update_block(|block| block.height = 5001); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(0)); + let err = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap_err(); + assert_eq!(ContractError::ZeroClaimable {}, err.downcast().unwrap()); + + // Other addresses claim rewards + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR2), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(2000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR2), reward.clone(), &Claim {}, &[]) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR2), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(4000)); + + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR3), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(4000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR3), reward.clone(), &Claim {}, &[]) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR3), denom) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(4000)); + + let err = app + .execute_contract(Addr::unchecked(ADDR3), reward, &Claim {}, &[]) + .unwrap_err(); + assert_eq!(ContractError::ZeroClaimable {}, err.downcast().unwrap()); + } + + #[test] + fn basic_cw20_distribution() { + let mut app = mock_app(); + app.borrow_mut().update_block(|block| block.height = 0); + let denom = "utest".to_string(); + let owner = Addr::unchecked(OWNER); + + let init_funds = vec![Coin { + denom: denom.clone(), + amount: Uint128::new(16000), + }]; + app.borrow_mut().init_modules(|router, _, storage| { + router + .bank + .init_balance(storage, &owner, init_funds.clone()) + .unwrap() + }); + + println!( + "native balance: {}", + app.wrap().query_balance(owner, denom).unwrap().amount + ); + let stakeable_token = instantiate_cw20(&mut app); + + // Instantiate reward token + let cw20_id = app.store_code(contract_cw20()); + let msg = cw20_base::msg::InstantiateMsg { + name: "test".to_string(), + symbol: "STAKE".to_string(), + decimals: 0, + initial_balances: vec![Cw20Coin { + address: Addr::unchecked(OWNER).to_string(), + amount: Uint128::new(16000), + }], + mint: None, + marketing: None, + }; + let reward_contract_addr = app + .instantiate_contract( + cw20_id, + Addr::unchecked(OWNER), + &msg, + &[], + "cw20_reward", + None, + ) + .unwrap(); + let reward_contract = Cw20Contract(reward_contract_addr); + app.borrow_mut().update_block(next_block); + + let instantiate_msg = InstantiateMsg { + start_block: 1000, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Cw20(reward_contract.addr()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + app.borrow_mut().update_block(next_block); + + let reward = instantiate_rewards(&mut app, instantiate_msg, &init_funds).unwrap(); + + let res: stake_cw20::msg::StakedBalanceAtHeightResponse = app + .wrap() + .query_wasm_smart( + stakeable_token, + &stake_cw20::msg::QueryMsg::StakedBalanceAtHeight { + address: ADDR1.to_string(), + height: None, + }, + ) + .unwrap(); + assert_eq!(res.balance, Uint128::new(1000)); + + // Fund Contract + let cw20_send = Cw20ExecuteMsg::Send { + contract: reward.to_string(), + amount: Uint128::new(16000), + msg: to_binary(&ReceiveMsg::Fund {}).unwrap(), + }; + let _res = app + .execute_contract( + Addr::unchecked(OWNER), + reward_contract.addr(), + &cw20_send, + &[], + ) + .unwrap(); + + // No claim before start block + app.borrow_mut().update_block(|block| block.height = 500); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(0)); + let err: ContractError = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap_err() + .downcast() + .unwrap(); + assert_eq!( + err, + RewardsNotStarted { + current_block: 500, + start_block: 1000 + } + ); + + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR1)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::zero()); + + // Fist claim + app.borrow_mut().update_block(|block| block.height = 1001); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(1000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap(); + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR1)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::new(1000)); + + // Can't claim twice + app.borrow_mut().update_block(|block| block.height = 1020); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(0)); + let err = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap_err(); + assert_eq!(ContractError::ZeroClaimable {}, err.downcast().unwrap()); + + // Second claim + app.borrow_mut().update_block(|block| block.height = 2011); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(1000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap(); + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR1)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::new(2000)); + + // Addr2 claims two epochs at once + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR2), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(2000)); + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR2)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::zero()); + let _res = app + .execute_contract(Addr::unchecked(ADDR2), reward.clone(), &Claim {}, &[]) + .unwrap(); + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR2)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::new(2000)); + + // Third claim + app.borrow_mut().update_block(|block| block.height = 3001); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(1000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap(); + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR1)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::new(3000)); + + // 4th claim + app.borrow_mut().update_block(|block| block.height = 4001); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(1000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap(); + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR1)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::new(4000)); + + // Rewards finished + app.borrow_mut().update_block(|block| block.height = 5001); + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(0)); + let err = app + .execute_contract(Addr::unchecked(ADDR1), reward.clone(), &Claim {}, &[]) + .unwrap_err(); + assert_eq!(ContractError::ZeroClaimable {}, err.downcast().unwrap()); + + // Other addresses claim rewards + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR2), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(2000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR2), reward.clone(), &Claim {}, &[]) + .unwrap(); + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR2)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::new(4000)); + + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR3), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(4000)); + let _res = app + .execute_contract(Addr::unchecked(ADDR3), reward.clone(), &Claim {}, &[]) + .unwrap(); + let cw20_balance = reward_contract + .balance(&app, Addr::unchecked(ADDR3)) + .unwrap(); + assert_eq!(cw20_balance, Uint128::new(4000)); + + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR3), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(0)); + let err = app + .execute_contract(Addr::unchecked(ADDR3), reward, &Claim {}, &[]) + .unwrap_err(); + assert_eq!(ContractError::ZeroClaimable {}, err.downcast().unwrap()); + } + + #[test] + fn info_query() { + let mut app = mock_app(); + app.borrow_mut().update_block(|block| block.height = 0); + let denom = "utest".to_string(); + let owner = Addr::unchecked(OWNER); + + let init_funds = vec![Coin { + denom: denom.clone(), + amount: Uint128::new(16000), + }]; + app.borrow_mut().init_modules(|router, _, storage| { + router + .bank + .init_balance(storage, &owner, init_funds.clone()) + .unwrap() + }); + + println!( + "native balance: {}", + app.wrap() + .query_balance(owner, denom.clone()) + .unwrap() + .amount + ); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 1000, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Native(denom), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + app.borrow_mut().update_block(next_block); + + let reward = instantiate_rewards(&mut app, instantiate_msg.clone(), &init_funds).unwrap(); + + let expected_response = InfoResponse { + start_block: instantiate_msg.start_block, + end_block: instantiate_msg.end_block, + payment_per_block: instantiate_msg.payment_per_block, + total_amount: instantiate_msg.total_amount, + denom: instantiate_msg.denom, + staking_contract: instantiate_msg.distribution_token, + blocks_between_payments: 1000, + funded: true, + }; + + let res: InfoResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart(reward, &Info {}) + .unwrap(); + assert_eq!(res, expected_response) + } + + #[test] + fn claim_up_to() { + let mut app = mock_app(); + app.borrow_mut().update_block(|block| block.height = 0); + let denom = "utest".to_string(); + let owner = Addr::unchecked(OWNER); + + let init_funds = vec![Coin { + denom: denom.clone(), + amount: Uint128::new(16000), + }]; + app.borrow_mut().init_modules(|router, _, storage| { + router + .bank + .init_balance(storage, &owner, init_funds.clone()) + .unwrap() + }); + + println!( + "native balance: {}", + app.wrap() + .query_balance(owner, denom.clone()) + .unwrap() + .amount + ); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 1000, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Native(denom.clone()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + app.borrow_mut().update_block(next_block); + + let reward = instantiate_rewards(&mut app, instantiate_msg, &init_funds).unwrap(); + + let res: stake_cw20::msg::StakedBalanceAtHeightResponse = app + .wrap() + .query_wasm_smart( + stakeable_token, + &stake_cw20::msg::QueryMsg::StakedBalanceAtHeight { + address: ADDR1.to_string(), + height: None, + }, + ) + .unwrap(); + assert_eq!(res.balance, Uint128::new(1000)); + + // Cannont claim up to blocks in the future + let err: ContractError = app + .execute_contract( + Addr::unchecked(ADDR1), + reward.clone(), + &ClaimUpToBlock { block: 3001 }, + &[], + ) + .unwrap_err() + .downcast() + .unwrap(); + assert_eq!(err, ContractError::InvalidFutureBlock {}); + + // Claim Two blocks + app.borrow_mut().update_block(|block| block.height = 3001); + // Test query works + let res: ClaimableRewardsResponse = app + .borrow_mut() + .wrap() + .query_wasm_smart( + reward.clone(), + &ClaimableRewards { + address: Addr::unchecked(ADDR1), + }, + ) + .unwrap(); + assert_eq!(res.amount, Uint128::new(3000)); + let _res = app + .execute_contract( + Addr::unchecked(ADDR1), + reward.clone(), + &ClaimUpToBlock { block: 2001 }, + &[], + ) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR1), denom.clone()) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(2000)); + + let _res = app + .execute_contract( + Addr::unchecked(ADDR1), + reward, + &ClaimUpToBlock { block: 3001 }, + &[], + ) + .unwrap(); + let native_balance = app + .wrap() + .query_balance(Addr::unchecked(ADDR1), denom) + .unwrap() + .amount; + assert_eq!(native_balance, Uint128::new(3000)); + } + + #[test] + fn validate_instantiate_msg() { + let mut app = mock_app(); + app.borrow_mut().update_block(|b| b.height = 5000); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 1000, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Native("utest".to_string()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + let err: ContractError = instantiate_rewards(&mut app, instantiate_msg, &[]) + .unwrap_err() + .downcast() + .unwrap(); + assert_eq!(err, ContractError::StartBlockAlreadyOccurred {}); + + app.borrow_mut().update_block(|b| b.height = 0); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 5000, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Native("utest".to_string()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + let err: ContractError = instantiate_rewards(&mut app, instantiate_msg, &[]) + .unwrap_err() + .downcast() + .unwrap(); + assert_eq!(err, ContractError::StartBlockAfterEndBlock {}); + + app.borrow_mut().update_block(|b| b.height = 0); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 1050, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Native("utest".to_string()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + let err: ContractError = instantiate_rewards(&mut app, instantiate_msg, &[]) + .unwrap_err() + .downcast() + .unwrap(); + assert_eq!( + err, + ContractError::StartAndEndBlocksNotDivisibleByBlocksBetweenPayments {} + ); + + app.borrow_mut().update_block(|b| b.height = 0); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 1000, + end_block: 3999, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16000), + denom: Denom::Native("utest".to_string()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + let err: ContractError = instantiate_rewards(&mut app, instantiate_msg, &[]) + .unwrap_err() + .downcast() + .unwrap(); + assert_eq!( + err, + ContractError::StartAndEndBlocksNotDivisibleByBlocksBetweenPayments {} + ); + + app.borrow_mut().update_block(|b| b.height = 0); + let stakeable_token = instantiate_cw20(&mut app); + let instantiate_msg = InstantiateMsg { + start_block: 1000, + end_block: 4000, + payment_per_block: Uint128::new(4), + total_amount: Uint128::new(16001), + denom: Denom::Native("utest".to_string()), + distribution_token: stakeable_token.to_string(), + payment_block_delta: 1000, + }; + let err: ContractError = instantiate_rewards(&mut app, instantiate_msg, &[]) + .unwrap_err() + .downcast() + .unwrap(); + assert_eq!(err, ContractError::InvalidTotalAmount {}); + } +} diff --git a/contracts/stake-cw20-external-rewards/src/error.rs b/contracts/stake-cw20-external-rewards/src/error.rs new file mode 100644 index 000000000..eae341b60 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/src/error.rs @@ -0,0 +1,42 @@ +use cosmwasm_std::{StdError, Uint128}; +use thiserror::Error; + +#[derive(Error, Debug, PartialEq)] +pub enum ContractError { + #[error("{0}")] + Std(#[from] StdError), + #[error("DivideByZero")] + DivideByZero {}, + #[error("Unauthorized")] + Unauthorized {}, + #[error("NotFunded")] + NotFunded {}, + #[error("AlreadyFunded")] + AlreadyFunded {}, + #[error("IncorrectDenom")] + IncorrectDenom {}, + #[error("IncorrectFundingAmount")] + IncorrectFundingAmount { + received: Uint128, + expected: Uint128, + }, + #[error("RewardsNotStarted")] + RewardsNotStarted { + current_block: u64, + start_block: u64, + }, + #[error("ZeroClaimable")] + ZeroClaimable {}, + // Add any other custom errors you like here. + // Look at https://docs.rs/thiserror/1.0.21/thiserror/ for details. + #[error("BlockInFuture")] + InvalidFutureBlock {}, + #[error("Start block already occurred")] + StartBlockAlreadyOccurred {}, + #[error("Start block later then end block")] + StartBlockAfterEndBlock {}, + #[error("Start block is not divisible by blocks between payments")] + StartAndEndBlocksNotDivisibleByBlocksBetweenPayments {}, + #[error("Total amount is not equal to total payments")] + InvalidTotalAmount {}, +} diff --git a/contracts/stake-cw20-external-rewards/src/lib.rs b/contracts/stake-cw20-external-rewards/src/lib.rs new file mode 100644 index 000000000..dfedc9dc6 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/src/lib.rs @@ -0,0 +1,6 @@ +pub mod contract; +mod error; +pub mod msg; +pub mod state; + +pub use crate::error::ContractError; diff --git a/contracts/stake-cw20-external-rewards/src/msg.rs b/contracts/stake-cw20-external-rewards/src/msg.rs new file mode 100644 index 000000000..71e8b9adb --- /dev/null +++ b/contracts/stake-cw20-external-rewards/src/msg.rs @@ -0,0 +1,58 @@ +use cosmwasm_std::{Addr, Uint128}; +use cw20::Cw20ReceiveMsg; +use cw20::Denom; +use schemars::JsonSchema; +use serde::{Deserialize, Serialize}; + +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)] +pub struct InstantiateMsg { + pub start_block: u64, + pub end_block: u64, + pub payment_per_block: Uint128, + pub total_amount: Uint128, + pub denom: Denom, + pub distribution_token: String, + pub payment_block_delta: u64, +} + +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)] +#[serde(rename_all = "snake_case")] +pub enum ExecuteMsg { + Claim {}, + Receive(Cw20ReceiveMsg), + ClaimUpToBlock { block: u64 }, +} + +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)] +#[serde(rename_all = "snake_case")] +pub enum ReceiveMsg { + /// Adds all sent native tokens to the contract + Fund {}, +} + +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)] +#[serde(rename_all = "snake_case")] +pub enum QueryMsg { + // GetCount returns the current count as a json-encoded number + Info {}, + ClaimableRewards { address: Addr }, +} + +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)] +#[serde(rename_all = "snake_case")] +pub struct InfoResponse { + pub start_block: u64, + pub end_block: u64, + pub payment_per_block: Uint128, + pub total_amount: Uint128, + pub denom: Denom, + pub staking_contract: String, + pub blocks_between_payments: u64, + pub funded: bool, +} + +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)] +#[serde(rename_all = "snake_case")] +pub struct ClaimableRewardsResponse { + pub amount: Uint128, +} diff --git a/contracts/stake-cw20-external-rewards/src/state.rs b/contracts/stake-cw20-external-rewards/src/state.rs new file mode 100644 index 000000000..9f475c7f3 --- /dev/null +++ b/contracts/stake-cw20-external-rewards/src/state.rs @@ -0,0 +1,27 @@ +use schemars::JsonSchema; +use serde::{Deserialize, Serialize}; + +use cosmwasm_std::{Addr, Uint128}; +use cw20::Denom; +use cw_storage_plus::{Item, Map}; + +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)] +pub struct Config { + pub start_block: u64, + pub end_block: u64, + pub payment_per_block: Uint128, + pub total_amount: Uint128, + pub denom: Denom, + pub staking_contract: Addr, + pub funded: bool, + pub blocks_between_payments: u64, +} + +pub const CONFIG: Item = Item::new("config"); + +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)] +pub struct LastClaim { + pub block_height: u64, + pub time: cosmwasm_std::Timestamp, +} +pub const LAST_CLAIMED: Map = Map::new("last_claimed");