feat: 2.CW20 factory token smart contract

.gitignore

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+/node_modules/

config.terrain.json

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+{
+  "_global": {
+    "_base": {
+      "instantiation": {
+        "instantiateMsg": {
+          "stable_denom" : "uusd",
+          "token_contract_code_id" : 82
+        }
+      }
+    }
+  },
+  "mainnet": {
+    "_connection": {
+      "chainID": "columbus-5",
+      "URL": "https://lcd.terra.dev"
+    }
+  },
+  "testnet": {
+    "_connection": {
+      "chainID": "bombay-12",
+      "URL": "https://bombay-lcd.terra.dev"
+    }
+  },
+  "localterra": {
+    "_connection": {
+      "chainID": "localterra",
+      "URL": "http://localhost:3060"
+    }
+  }
+}

contracts/cw20-factory-token/.cargo/config

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+[alias]
+wasm = "build --release --target wasm32-unknown-unknown"
+unit-test = "test --lib"
+schema = "run --example schema"

contracts/cw20-factory-token/.circleci/config.yml

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+version: 2.1
+
+executors:
+  builder:
+    docker:
+      - image: buildpack-deps:trusty
+
+jobs:
+  docker-image:
+    executor: builder
+    steps:
+      - checkout
+      - setup_remote_docker
+        docker_layer_caching: true
+      - run:
+          name: Build Docker artifact
+          command: docker build --pull -t "cosmwasm/cw-gitpod-base:${CIRCLE_SHA1}" .
+      - run:
+          name: Push application Docker image to docker hub
+          command: |
+            if [ "${CIRCLE_BRANCH}" = "master" ]; then
+              docker tag "cosmwasm/cw-gitpod-base:${CIRCLE_SHA1}" cosmwasm/cw-gitpod-base:latest
+              docker login --password-stdin -u "$DOCKER_USER" \<<<"$DOCKER_PASS"
+              docker push cosmwasm/cw-gitpod-base:latest
+              docker logout
+            fi
+
+  docker-tagged:
+    executor: builder
+    steps:
+      - checkout
+      - setup_remote_docker
+        docker_layer_caching: true
+      - run:
+          name: Push application Docker image to docker hub
+          command: |
+            docker tag "cosmwasm/cw-gitpod-base:${CIRCLE_SHA1}" "cosmwasm/cw-gitpod-base:${CIRCLE_TAG}"
+            docker login --password-stdin -u "$DOCKER_USER" \<<<"$DOCKER_PASS"
+            docker push
+            docker logout
+
+workflows:
+  version: 2
+  test-suite:
+    jobs:
+      # this is now a slow process... let's only run on master
+      - docker-image:
+          filters:
+            branches:
+              only:
+                - master
+      - docker-tagged:
+          filters:
+            tags:
+              only:
+                - /^v.*/
+            branches:
+              ignore:
+                - /.*/
+            requires:
+              - docker-image

contracts/cw20-factory-token/.editorconfig

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

contracts/cw20-factory-token/.github/workflows/Basic.yml

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+# 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: 1.51.0
+          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: 1.51.0
+          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
+
+      # TODO: we should check
+      # CHANGES_IN_REPO=$(git status --porcelain)
+      # after this, but I don't know how
+      - name: Generate Schema
+        uses: actions-rs/cargo@v1
+        with:
+          command: schema
+          args: --locked

contracts/cw20-factory-token/.gitignore

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+# Build results
+/target
+
+# 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/cw20-factory-token/.gitpod.Dockerfile

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+### wasmd ###
+FROM cosmwasm/wasmd:v0.18.0 as wasmd
+
+### rust-optimizer ###
+FROM cosmwasm/rust-optimizer:0.11.5 as rust-optimizer
+
+FROM gitpod/workspace-full:latest
+
+COPY --from=wasmd /usr/bin/wasmd /usr/local/bin/wasmd
+COPY --from=wasmd /opt/* /opt/
+
+RUN sudo apt-get update \
+    && sudo apt-get install -y jq \
+    && sudo rm -rf /var/lib/apt/lists/*
+
+RUN rustup update stable \
+   && rustup target add wasm32-unknown-unknown

contracts/cw20-factory-token/.gitpod.yml

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+image: cosmwasm/cw-gitpod-base:v0.16
+
+vscode:
+  extensions:
+    - rust-lang.rust
+
+tasks:
+  - name: Dependencies & Build
+    init: |
+      cargo build