added trap door

contracts/trapdoor/.cargo/config

@@ -0,0 +1,4 @@
+[alias]
+wasm = "build --release --lib --target wasm32-unknown-unknown"
+unit-test = "test --lib"
+schema = "run --bin schema"

contracts/trapdoor/.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.rs]
+indent_size = 4

contracts/trapdoor/.github/workflows/Basic.yml

@@ -0,0 +1,75 @@
+# Based on https://github.com/actions-rs/example/blob/master/.github/workflows/quickstart.yml
+
+on: [push, pull_request]
+
+name: Basic
+
+jobs:
+
+  test:
+    name: Test Suite
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: 1.58.1
+          target: wasm32-unknown-unknown
+          override: true
+
+      - name: Run unit tests
+        uses: actions-rs/cargo@v1
+        with:
+          command: unit-test
+          args: --locked
+        env:
+          RUST_BACKTRACE: 1
+
+      - name: Compile WASM contract
+        uses: actions-rs/cargo@v1
+        with:
+          command: wasm
+          args: --locked
+        env:
+          RUSTFLAGS: "-C link-arg=-s"
+
+  lints:
+    name: Lints
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: 1.58.1
+          override: true
+          components: rustfmt, clippy
+
+      - name: Run cargo fmt
+        uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+      - name: Run cargo clippy
+        uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: -- -D warnings
+
+      - name: Generate Schema
+        uses: actions-rs/cargo@v1
+        with:
+          command: schema
+          args: --locked
+
+      - name: Schema Changes
+        # fails if any changes not committed
+        run: git diff --exit-code schema

contracts/trapdoor/.github/workflows/Release.yml

@@ -0,0 +1,35 @@
+name: release wasm
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+      - name: Install cargo-run-script
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: cargo-run-script
+      - name: Run cargo optimize
+        uses: actions-rs/cargo@v1
+        with:
+          command: run-script
+          args: optimize
+      - name: Get release ID
+        id: get_release
+        uses: bruceadams/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+      - name: Upload optimized wasm
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ./artifacts/*.wasm
+          tag: ${{ github.ref }}
+          overwrite: true
+          file_glob: true

contracts/trapdoor/.gitignore

@@ -0,0 +1,16 @@
+# Build results
+/target
+/schema
+
+# Cargo+Git helper file (https://github.com/rust-lang/cargo/blob/0.44.1/src/cargo/sources/git/utils.rs#L320-L327)
+.cargo-ok
+
+# Text file backups
+**/*.rs.bk
+
+# macOS
+.DS_Store
+
+# IDEs
+*.iml
+.idea

contracts/trapdoor/Cargo.toml

@@ -0,0 +1,55 @@
+[package]
+name = "trapdoor"
+version = "0.1.0"
+authors = ["Sirius Taikun <[email protected]>"]
+edition = "2021"
+
+exclude = [
+  # Those files are rust-optimizer artifacts. 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"]
+
+[profile.release]
+opt-level = 3
+debug = false
+rpath = false
+lto = true
+debug-assertions = false
+codegen-units = 1
+panic = 'abort'
+incremental = false
+overflow-checks = true
+
+[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:0.12.6
+"""
+
+[dependencies]
+cosmwasm-schema = "1.1.2"
+cosmwasm-std = "1.1.2"
+cosmwasm-storage = "1.1.2"
+cw-storage-plus = "0.13.2"
+cw2 = "0.13.2"
+schemars = "0.8.8"
+serde = { version = "1.0.137", default-features = false, features = ["derive"] }
+thiserror = { version = "1.0.31" }
+cw20 = "1.0.1"
+cw20-base = "1.0.1"
+
+[dev-dependencies]
+cw-multi-test = "0.13.2"