build: add fhevm db migration

.github/workflows/fhevm-db-migration.yml

@@ -0,0 +1,46 @@
+name: "fhEVM DB migration Docker Image"
+
+on:
+  push:
+    branches:
+      - main
+      - ci/db-migration
+    paths:
+      - .github/workflows/fhevm-coprocessor.yml
+      - .github/workflows/common-docker.yml
+      - fhevm-engine/fhevm-db/**
+  release:
+    types:
+      - published
+
+concurrency:
+  group: fhevm-coprocessor-${{ github.ref_name }}
+  cancel-in-progress: false
+
+jobs:
+  docker-coprocessor:
+    uses: ./.github/workflows/common-docker.yml
+    permissions:
+      contents: "read"
+      id-token: "write"
+      packages: "write"
+    with:
+      working-directory: "."
+      push_image: true
+      image-name: "fhevm-db-migration"
+      generate-dev-image: false
+      docker-file: "fhevm-engine/fhevm-db/Dockerfile"
+      arm-build: true
+
+    secrets:
+      BLOCKCHAIN_ACTIONS_TOKEN: ${{ secrets.BLOCKCHAIN_ACTIONS_TOKEN }}
+      GRAVITON_BUILDER_SSH_PRIVATE_KEY: ${{ secrets.GRAVITON_BUILDER_SSH_PRIVATE_KEY }}
+
+  done:
+    runs-on: ubuntu-latest
+    name: Pipeline Done
+    steps:
+      - name: Success
+        run: echo Pipeline Done
+    needs:
+      - docker-coprocessor

.hadolint.yaml

@@ -0,0 +1,3 @@
+ignored:
+  - DL3018
+  - DL3008

fhevm-engine/coprocessor/Makefile

@@ -17,6 +17,10 @@ init_db:
 	$(DB_URL) sqlx migrate run
 	$(DB_URL) cargo test setup_test_user -- --nocapture --ignored
 
+.PHONY: run
+run:
+	docker compose up -d
+
 .PHONY: recreate_db
 recreate_db:
 	$(MAKE) cleanup

fhevm-engine/coprocessor/docker-compose.yml

@@ -1,37 +1,66 @@
-version: '3.8'
+name: fhevm
+
 services:
   db:
+    container_name: db
     image: postgres:15.7
     restart: always
     environment:
-      - POSTGRES_USER=postgres
-      - POSTGRES_PASSWORD=postgres
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
     ports:
       - '5432:5432'
-    volumes: 
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+    volumes:
       - db:/var/lib/postgresql/data
-  coproc:
-    image: ghcr.io/zama-ai/fhevm-coprocessor:v7
+
+  migration:
+      container_name: migration
+      image: ghcr.io/zama-ai/fhevm-db-migration:v1.1
+      environment:
+        DATABASE_URL: postgresql://postgres:postgres@db:5432/coprocessor
+      depends_on:
+        db:
+          condition: service_healthy
+
+  coprocessor:
+    container_name: coprocessor
+    image: ghcr.io/zama-ai/fhevm-coprocessor:v0.1.0-3
     environment:
-      - DATABASE_URL=postgresql://postgres:postgres@db:5432/coprocessor
+      DATABASE_URL: postgresql://postgres:postgres@db:5432/coprocessor
     ports:
       - '50051:50051'
     volumes:
-      - ${PWD}/coprocessor.key:/usr/share/coprocessor.key
+      - ./coprocessor.key:/usr/share/coprocessor.key
     command:
       - --run-bg-worker
       - --run-server
       - --server-addr=0.0.0.0:50051
       - --coprocessor-private-key=/usr/share/coprocessor.key
+    depends_on:
+      migration:
+        condition: service_completed_successfully
+
   geth:
-    image: ghcr.io/zama-ai/geth-coprocessor-devnode:v6
+    container_name: geth
+    image: ghcr.io/zama-ai/geth-coprocessor-devnode:v8
     environment:
-      - FHEVM_COPROCESSOR_API_KEY=a1503fb6-d79b-4e9e-826d-44cf262f3e05
-      - FHEVM_COPROCESSOR_URL=coproc:50051
-      - COPROCESSOR_CONTRACT_ADDRESS=0x6819e3aDc437fAf9D533490eD3a7552493fCE3B1
-      - ACL_CONTRACT_ADDRESS=0x339EcE85B9E11a3A3AA557582784a15d7F82AAf2
+      FHEVM_COPROCESSOR_API_KEY: a1503fb6-d79b-4e9e-826d-44cf262f3e05
+      FHEVM_COPROCESSOR_URL: coprocessor:50051
+      COPROCESSOR_CONTRACT_ADDRESS: 0x6819e3aDc437fAf9D533490eD3a7552493fCE3B1
+      ACL_CONTRACT_ADDRESS: 0x339EcE85B9E11a3A3AA557582784a15d7F82AAf2
+    volumes:
+      - ./geth:/geth
     ports:
       - '8745:8545'
+    depends_on:
+      coprocessor:
+        condition: service_started
+
 volumes:
   db:
-    driver: local
+    driver: local

fhevm-engine/fhevm-db/Dockerfile

@@ -0,0 +1,19 @@
+# Use the Rust image as the base
+FROM rust:1.74
+
+# Install dependencies and tools
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends libpq-dev postgresql-client xxd && \
+    cargo install sqlx-cli --no-default-features --features postgres --locked && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Copy migrations and initialization script
+COPY fhevm-engine/fhevm-db/initialize_db.sh /initialize_db.sh
+COPY fhevm-engine/fhevm-db/migrations /migrations
+COPY fhevm-engine/fhevm-keys /fhevm-keys
+
+# Make the script executable
+RUN chmod +x /initialize_db.sh
+
+# Run the initialization script as the entrypoint
+ENTRYPOINT ["/bin/bash", "/initialize_db.sh"]

fhevm-engine/fhevm-db/initialize_db.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# 1: Create Database
+echo "Creating database..."
+sqlx database create
+
+# 2: Run sqlx migrations
+echo "Running migrations..."
+sqlx migrate run --source /migrations || { echo "Failed to run migrations."; exit 1; }
+
+# 3. Insert test tenant with keys
+echo "Start preparing tenant query..."
+TENANT_API_KEY=a1503fb6-d79b-4e9e-826d-44cf262f3e05
+CHAIN_ID=12345
+ACL_CONTRACT_ADDRESS=0x339EcE85B9E11a3A3AA557582784a15d7F82AAf2
+INPUT_VERIFIER_ADDRESS=0x69dE3158643e738a0724418b21a35FAA20CBb1c5
+PKS_FILE="/fhevm-keys/pks"
+SKS_FILE="/fhevm-keys/sks"
+PUBLIC_PARAMS_FILE="/fhevm-keys/pp"
+
+TMP_CSV="/tmp/tenant_data.csv"
+echo "tenant_api_key,chain_id,acl_contract_address,verifying_contract_address,pks_key,sks_key,public_params" > $TMP_CSV
+
+echo "$TENANT_API_KEY,$CHAIN_ID,$ACL_CONTRACT_ADDRESS,$INPUT_VERIFIER_ADDRESS,\"\\x$(cat $PKS_FILE | xxd -p | tr -d '\n')\",\"\\x$(cat $SKS_FILE | xxd -p | tr -d '\n')\",\"\\x$(cat $PUBLIC_PARAMS_FILE | xxd -p | tr -d '\n')\"" >> $TMP_CSV
+
+echo "Inserting tenant data using \COPY..."
+psql $DATABASE_URL -c "\COPY tenants (tenant_api_key, chain_id, acl_contract_address, verifying_contract_address, pks_key, sks_key, public_params) FROM '$TMP_CSV' CSV HEADER;"
+
+rm -f $TMP_CSV
+
+echo "Database initialization complete."

fhevm-engine/fhevm-db/migrations/20240722111257_coprocessor.sql

@@ -0,0 +1,62 @@
+
+CREATE TABLE IF NOT EXISTS computations (
+    tenant_id INT NOT NULL,
+    output_handle BYTEA NOT NULL,
+    output_type SMALLINT NOT NULL,
+    -- can be handle or scalar, depends on is_scalar field
+    -- only second dependency can ever be scalar
+    dependencies BYTEA[] NOT NULL,
+    fhe_operation SMALLINT NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    completed_at TIMESTAMP,
+    is_scalar BOOLEAN NOT NULL,
+    is_completed BOOLEAN NOT NULL DEFAULT 'f',
+    is_error BOOLEAN NOT NULL DEFAULT 'f',
+    error_message TEXT,
+    PRIMARY KEY (tenant_id, output_handle)
+);
+
+CREATE TABLE IF NOT EXISTS ciphertexts (
+    tenant_id INT NOT NULL,
+    handle BYTEA NOT NULL,
+    ciphertext BYTEA NOT NULL,
+    ciphertext_version SMALLINT NOT NULL,
+    ciphertext_type SMALLINT NOT NULL,
+    -- if ciphertext came from blob we have its reference
+    input_blob_hash BYTEA,
+    input_blob_index INT NOT NULL DEFAULT 0,
+    created_at TIMESTAMP DEFAULT NOW(),
+    PRIMARY KEY (tenant_id, handle, ciphertext_version)
+);
+
+-- store for audits and historical reference
+CREATE TABLE IF NOT EXISTS input_blobs (
+    tenant_id INT NOT NULL,
+    blob_hash BYTEA NOT NULL,
+    blob_data BYTEA NOT NULL,
+    blob_ciphertext_count INT NOT NULL,
+    created_at TIMESTAMP DEFAULT NOW(),
+    PRIMARY KEY (tenant_id, blob_hash)
+);
+
+CREATE TABLE IF NOT EXISTS tenants (
+    tenant_id SERIAL PRIMARY KEY,
+    tenant_api_key UUID NOT NULL DEFAULT gen_random_uuid(),
+    -- for EIP712 signatures
+    chain_id INT NOT NULL,
+    -- for EIP712 signatures
+    verifying_contract_address TEXT NOT NULL,
+    acl_contract_address TEXT NOT NULL,
+    pks_key BYTEA NOT NULL,
+    sks_key BYTEA NOT NULL,
+    public_params BYTEA NOT NULL,
+    -- for debugging, can be null
+    cks_key BYTEA,
+    -- admin api key is allowed to create more tenants with their keys
+    is_admin BOOLEAN DEFAULT 'f'
+);
+
+CREATE INDEX IF NOT EXISTS computations_dependencies_index ON computations USING GIN (dependencies);
+CREATE INDEX IF NOT EXISTS computations_completed_index ON computations (is_completed);
+CREATE INDEX IF NOT EXISTS computations_errors_index ON computations (is_error);
+CREATE UNIQUE INDEX IF NOT EXISTS tenants_by_api_key ON tenants (tenant_api_key);