chore(proposals): remove proposals crate and related infrastructure

.github/repo_policies/BOT_APPROVED_FILES

@@ -8,6 +8,5 @@ declarations/*/*/*.did
 dfx.json
 frontend/package-lock.json
 frontend/src/tests/workflows/Launchpad/sns-agg-page-*.json
-rs/proposals/src/canisters/*/api.rs
 rs/sns_aggregator/src/types/*.rs
 rust-toolchain.toml

.github/workflows/checks.yml

@@ -143,10 +143,6 @@ jobs:
         run: scripts/install-didc
       - name: Check didc
         run: command -v didc
-      - name: Run the ic_commit code generator for proposals
-        run: |
-          ./scripts/update_ic_commit --crate proposals --ic_commit "$(jq -re .defaults.build.config.IC_COMMIT_FOR_PROPOSALS config.json)"
-          ./scripts/proposals/did2rs
       - name: Run the ic_commit code generator for sns_aggregator
         run: |
           ./scripts/update_ic_commit --crate sns_aggregator --ic_commit "$(jq -re .defaults.build.config.IC_COMMIT_FOR_SNS_AGGREGATOR config.json)"
@@ -207,25 +203,6 @@ jobs:
         run: |
           set +x
           scripts/nns-dapp/migration-test.on-exit.test
-  dfx-nns-proposal-args-works:
-    # TODO: Re-enable (add it in line 338) once fixed, should it depend on mainnet?
-    if: false
-    name: Can get NNS proposal args
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v6
-      - name: Install didc
-        run: scripts/install-didc
-      - name: Install cargo binstall
-        uses: ./.github/actions/install_binstall
-      - name: Install idl2json
-        run: cargo binstall --no-confirm "idl2json_cli@$(jq -r .defaults.build.config.IDL2JSON_VERSION config.json)" && idl2json --version
-      - name: Install sponge
-        run: sudo apt-get update -yy && sudo apt-get install -yy moreutils && command -v sponge
-      - name: Install dfx
-        uses: dfinity/setup-dfx@main
-      - name: Test getting proposal args
-        run: scripts/dfx-nns-proposal-args.test
   minor-version-bump-works:
     runs-on: ubuntu-22.04
     steps:

Cargo.toml

@@ -1,7 +1,6 @@
 [workspace]
 members = [
     "rs/backend",
-    "rs/proposals",
     "rs/sns_aggregator"
 ]
 resolver = "2"
@@ -16,19 +15,15 @@ ic-management-canister-types = "0.4.1"
 
 cycles-minting-canister = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 dfn_candid = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
-dfn_core = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 dfn_protobuf = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 ic-base-types = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 ic-crypto-sha2 = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 ic-ledger-core = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 ic-nervous-system-common = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
-ic-nervous-system-root = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 ic-nns-common = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 ic-nns-constants = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 ic-nns-governance = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
-ic-protobuf = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 ic-sns-swap = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
-registry-canister = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 icp-ledger = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 icrc-ledger-types = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }
 on_wire = { git = "https://github.com/dfinity/ic", rev = "release-2025-08-14_03-27-base" }

Dockerfile

@@ -8,13 +8,13 @@
 # Check the memory available to docker.
 # - If run on Linux, the RAM will be the same as the host machine.
 # - If run on Mac, Docker will be spinning up a Linux virtual machine and then running docker inside that; the user can change the memory available to the virtual machine.
 FROM --platform=linux/amd64 ubuntu:22.04 as check-environment
 SHELL ["bash", "-c"]
 ENV TZ=UTC
 RUN awk -v gigs=4 '/^MemTotal:/{if ($2 < (gigs*1024 * 1024)){ printf "Insufficient RAM.  Please provide Docker with at least %dGB of RAM\n", gigs; exit 1 }}' /proc/meminfo
 
 # Operating system with basic tools
 FROM --platform=linux/amd64 ubuntu:22.04 as base
 SHELL ["bash", "-c"]
 ENV TZ=UTC
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
@@ -28,7 +28,7 @@
 # Note: This can be done in the builder but is slow because unrelated changes to dfx.json can cause a rebuild.
 #
 # Note: Here we play a bit with the idea of storing config in files, one file per parameter.
 FROM base as tool_versions
 SHELL ["bash", "-c"]
 RUN mkdir -p config
 COPY dfx.json dfx.json
@@ -41,7 +41,7 @@
 RUN jq -r '.defaults.build.config.BINSTALL_VERSION' config.json > config/binstall_version
 
 # This is the "builder", i.e. the base image used later to build the final code.
 FROM base as builder
 SHELL ["bash", "-c"]
 # Get tool versions
 COPY --from=tool_versions /config/*_version config/
@@ -69,9 +69,8 @@
 COPY Cargo.lock .
 COPY Cargo.toml .
 COPY rs/backend/Cargo.toml rs/backend/Cargo.toml
-COPY rs/proposals/Cargo.toml rs/proposals/Cargo.toml
 COPY rs/sns_aggregator/Cargo.toml rs/sns_aggregator/Cargo.toml
-RUN mkdir -p rs/backend/src/bin rs/proposals/src rs/sns_aggregator/src && touch rs/backend/src/lib.rs rs/proposals/src/lib.rs rs/sns_aggregator/src/lib.rs && echo 'fn main(){}' | tee rs/backend/src/main.rs > rs/backend/src/bin/nns-dapp-check-args.rs && cargo build --target wasm32-unknown-unknown --release --package nns-dapp && rm -f target/wasm32-unknown-unknown/release/*wasm
+RUN mkdir -p rs/backend/src/bin rs/sns_aggregator/src && touch rs/backend/src/lib.rs rs/sns_aggregator/src/lib.rs && echo 'fn main(){}' | tee rs/backend/src/main.rs > rs/backend/src/bin/nns-dapp-check-args.rs && cargo build --target wasm32-unknown-unknown --release --package nns-dapp && rm -f target/wasm32-unknown-unknown/release/*wasm
 # Install dfx
 WORKDIR /
 # dfx is installed in `$HOME/.local/share/dfx/bin` but we can't reference `$HOME` here so we hardcode `/root`.
@@ -93,7 +92,7 @@
 COPY scripts/network-config /build/scripts/network-config
 COPY scripts/dfx-canister-url /build/scripts/dfx-canister-url
 COPY scripts/clap.bash /build/scripts/clap.bash
 COPY .df[x]/ /build/.dfx
 WORKDIR /build
 ARG DFX_NETWORK=mainnet
 RUN mkdir -p frontend
@@ -134,7 +133,6 @@
 FROM builder AS build_nnsdapp
 SHELL ["bash", "-c"]
 COPY ./rs/backend /build/rs/backend
-COPY ./rs/proposals /build/rs/proposals
 COPY ./scripts/nns-dapp/test-exports /build/scripts/nns-dapp/test-exports
 COPY ./scripts/clap.bash /build/scripts/clap.bash
 COPY ./build-backend.sh /build/
@@ -156,7 +154,7 @@
 # So we update the timestamps of the root code files.
 # Old canisters use src/main.rs, new ones use src/lib.rs.  We update the timestamps on all that exist.
 # We don't wish to update the code from main.rs to lib.rs and then have builds break.
-RUN touch --no-create rs/backend/src/main.rs rs/backend/src/lib.rs rs/proposals/src/lib.rs
+RUN touch --no-create rs/backend/src/main.rs rs/backend/src/lib.rs
 RUN ./build-backend.sh
 COPY ./scripts/dfx-wasm-metadata-add /build/scripts/dfx-wasm-metadata-add
 ARG COMMIT
@@ -189,7 +187,7 @@
 RUN for wasm in sns_aggregator.wasm.gz sns_aggregator_dev.wasm.gz ; do scripts/dfx-wasm-metadata-add --commit "$COMMIT" --canister_name sns_aggregator --verbose --wasm "$wasm" ; done
 
 # Title: Image used to extract the final outputs from previous steps.
 FROM scratch AS scratch
 COPY --from=configurator /build/deployment-config.json /
 COPY --from=configurator /build/nns-dapp-arg* /
 # Note: The frontend/.env is kept for use with test deployments only.

config.json

@@ -117,7 +117,6 @@
         "POCKETIC_VERSION": "3.0.1",
         "CARGO_SORT_VERSION": "1.0.9",
         "SNSDEMO_RELEASE": "release-2026-02-26",
-        "IC_COMMIT_FOR_PROPOSALS": "release-2026-02-20_12-29-base",
         "IC_COMMIT_FOR_SNS_AGGREGATOR": "release-2026-02-20_12-29-base"
       },
       "packtool": ""