Reproducible absolute prestate of op-program

.circleci/config.yml

@@ -20,6 +20,10 @@ workflows:
           requires: ["asterisc-prestate"]
       - op-e2e-asterisc-tests:
           requires: ["devnet-allocs-including-asterisc"]
+      - prestate-reproducibility:
+          matrix:
+            parameters:
+              version: ["1.1.0", "1.2.0"]
 
 jobs:
   pnpm-monorepo:
@@ -359,4 +363,39 @@ jobs:
           path: /testlogs
           when: always
       - store_test_results:
-          path: /tmp/test-results
+          path: /tmp/test-results
+
+  prestate-reproducibility:
+    docker:
+      - image: <<pipeline.parameters.ci_builder_image>>
+    parameters:
+      version:
+        type: string
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run:
+          name: Fetch submodules for asterisc
+          command: git submodule update --init
+      - run:
+          name: Switch to tag
+          command: |
+            cd rvsol/lib/optimism
+            git fetch
+            git checkout "op-program/v<<parameters.version>>"
+            git submodule update --init --recursive
+      - run:
+          name: Build prestate
+          command: make reproducible-prestate
+      - run:
+          name: Verify prestate
+          command: |
+            EXPECTED_PRESTATE_HASH=$(jq -r '.["op-program"]["<<parameters.version>>"]' ./prestates.json)
+            ACTUAL=$(jq -r .pre ./bin/prestate-proof.json)
+            echo "Expected: ${EXPECTED_PRESTATE_HASH}"
+            echo "Actual:   ${ACTUAL}"
+            if [[ "${EXPECTED_PRESTATE_HASH}" != "${ACTUAL}" ]]
+            then
+              echo "Prestate did not match expected"
+              exit 1
+            fi

.gitignore

@@ -1,3 +1,5 @@
+bin
+
 rvgo/bin
 rvgo/scripts/go-ffi/go-ffi
 rvgo/test/testdata

Dockerfile.repro

@@ -0,0 +1,51 @@
+FROM golang:1.21.3-alpine3.18 as builder
+
+RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
+
+COPY ./go.mod /app/go.mod
+COPY ./go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN echo "go mod cache: $(go env GOMODCACHE)"
+RUN echo "go build cache: $(go env GOCACHE)"
+
+RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/root/.cache/go-build go mod download
+
+COPY . /app
+
+# We avoid copying the full .git dir into the build for just some metadata.
+# Instead, specify:
+# --build-arg GIT_COMMIT=$(git rev-parse HEAD)
+# --build-arg GIT_DATE=$(git show -s --format='%ct')
+ARG GIT_COMMIT
+ARG GIT_DATE
+
+ARG ASTERISC_VERSION=v0.0.0
+ARG OP_PROGRAM_VERSION=v0.0.0
+
+ARG TARGETOS TARGETARCH
+
+# Build the asterisc, op-program, and op-program-client-riscv.elf binaries.
+RUN --mount=type=cache,target=/root/.cache/go-build cd rvgo && make build  \
+    GOOS=$TARGETOS GOARCH=$TARGETARCH GITCOMMIT=$GIT_COMMIT GITDATE=$GIT_DATE VERSION="ASTERISC_VERSION"
+RUN --mount=type=cache,target=/root/.cache/go-build cd rvsol/lib/optimism/op-program && make op-program-host  \
+    GOOS=$TARGETOS GOARCH=$TARGETARCH GITCOMMIT=$GIT_COMMIT GITDATE=$GIT_DATE VERSION="$OP_PROGRAM_VERSION"
+RUN --mount=type=cache,target=/root/.cache/go-build cd rvsol/lib/optimism/op-program && make op-program-client-riscv  \
+    GOOS=linux GOARCH=mips GOMIPS=softfloat GITCOMMIT=$GIT_COMMIT GITDATE=$GIT_DATE VERSION="$OP_PROGRAM_VERSION"
+
+# Run the op-program-client-riscv.elf binary directly through asterisc's load-elf subcommand.
+RUN /app/rvgo/bin/asterisc load-elf --path /app/rvsol/lib/optimism/op-program/bin/op-program-client-riscv.elf --out /app/prestate.json --meta ""
+
+# Generate the prestate proof containing the absolute pre-state hash.
+RUN /app/rvgo/bin/asterisc run --proof-at '=0' --stop-at '=1' --input /app/prestate.json --meta "" --proof-fmt '/app/%d.json' --output ""
+RUN mv /app/0.json /app/prestate-proof.json
+
+# Exports files to the specified output location.
+# Writing files to host requires buildkit to be enabled.
+# e.g. `BUILDKIT=1 docker build ...`
+FROM scratch AS export-stage
+COPY --from=builder /app/rvsol/lib/optimism/op-program/bin/op-program .
+COPY --from=builder /app/rvsol/lib/optimism/op-program/bin/op-program-client-riscv.elf .
+COPY --from=builder /app/prestate.json .
+COPY --from=builder /app/prestate-proof.json .

Makefile

@@ -101,3 +101,9 @@ devnet-clean:
 	rm -rf packages/contracts-bedrock/deployments
 	rm -rf packages/contracts-bedrock/deploy-config
 .PHONY: devnet-clean
+
+reproducible-prestate:
+	@docker build --output ./bin/ --progress plain -f Dockerfile.repro .
+	@echo "Absolute prestate hash:"
+	@cat ./bin/prestate-proof.json | jq -r .pre
+.PHONY: reproducible-prestate

prestates.json

@@ -0,0 +1,6 @@
+{
+  "op-program": {
+    "1.1.0": "0x0338dc64405def7e3b9ce8f5076b422a846d831832617d227f13baf219cb5406",
+    "1.2.0": "0x0399525587d7ffb173aaa43f35e21b78f807a0bd3dc80ea6527f407732726351"
+  }
+}