POC: run all contracts through solc with bazel

.bazelignore

@@ -0,0 +1,2 @@
+node_modules/
+bazel-out/

WORKSPACE

@@ -1,5 +1,5 @@
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository", "new_git_repository")
 
 ##########
 # Protobuf
@@ -91,3 +91,34 @@ go_rules_dependencies()
 go_register_toolchains(version = "1.18")
 
 gazelle_dependencies()
+
+load("//sol:repositories.bzl", "LATEST_VERSION", "rules_sol_dependencies", "sol_register_toolchains")
+
+rules_sol_dependencies()
+
+sol_register_toolchains(
+    name = "solc",
+    sol_version = LATEST_VERSION,
+)
+
+# Fetch our contracts dependencies directly from git repos, like Forge does it:
+# https://book.getfoundry.sh/projects/dependencies
+new_git_repository(
+    name = "openzeppelin-contracts",
+    remote = "[email protected]:OpenZeppelin/openzeppelin-contracts.git",
+    # NOTE: this version ought to match what appears in yarn.lock, or behavior
+    # between Bazel and legacy npm-based dependency management will vary.
+    commit = "8c49ad74eae76ee389d038780d407cf90b4ae1de", # v4.7.0
+    shallow_since = "1656493217 +0200",
+    build_file = "openzeppelin-contracts.BUILD",
+)
+
+new_git_repository(
+    name = "erc721a",
+    remote = "[email protected]:chiru-labs/ERC721A.git",
+    # NOTE: this version ought to match what appears in yarn.lock, or behavior
+    # between Bazel and legacy npm-based dependency management will vary.
+    commit = "9859cd2edb1a8b4c2db5e46031abbb3253e42467", # v4.2.2
+    shallow_since = "1659313679 -0700",
+    build_file = "erc721a.BUILD",
+)

contracts/crypto/BUILD.bazel

@@ -0,0 +1,7 @@
+load("//sol:defs.bzl", "sol_binary")
+
+sol_binary(
+    name = "crypto",
+    srcs = glob(["*.sol"]),
+    deps = ["@openzeppelin-contracts"],
+)

contracts/erc721/BUILD.bazel

@@ -0,0 +1,11 @@
+load("//sol:defs.bzl", "sol_binary")
+
+sol_binary(
+    name = "erc721",
+    srcs = glob(["*.sol"]),
+    deps = [
+        "//contracts/utils",
+        "@erc721a",
+        "@openzeppelin-contracts",
+    ],
+)

contracts/factories/BUILD.bazel

@@ -0,0 +1,6 @@
+load("//sol:defs.bzl", "sol_binary")
+
+sol_binary(
+    name = "factories",
+    srcs = glob(["*.sol"]),
+)

contracts/random/BUILD.bazel

@@ -0,0 +1,6 @@
+load("//sol:defs.bzl", "sol_binary")
+
+sol_binary(
+    name = "random",
+    srcs = glob(["*.sol"]),
+)

contracts/sales/BUILD.bazel

@@ -0,0 +1,10 @@
+load("//sol:defs.bzl", "sol_binary")
+
+sol_binary(
+    name = "sales",
+    srcs = glob(["*.sol"]),
+    deps = [
+        "//contracts/utils",
+        "@openzeppelin-contracts",
+    ],
+)

contracts/thirdparty/opensea/BUILD.bazel

@@ -0,0 +1,10 @@
+load("//sol:defs.bzl", "sol_binary")
+
+sol_binary(
+    name = "opensea",
+    srcs = glob(["*.sol"]),
+    deps = [
+        "//contracts/utils",
+        "@openzeppelin-contracts",
+    ],
+)

contracts/thirdparty/weth/BUILD.bazel

@@ -0,0 +1,6 @@
+load("//sol:defs.bzl", "sol_binary")
+
+sol_binary(
+    name = "weth",
+    srcs = glob(["*.sol"]),
+)

contracts/utils/BUILD.bazel

@@ -0,0 +1,8 @@
+load("//sol:defs.bzl", "sol_sources")
+
+sol_sources(
+    name = "utils",
+    srcs = glob(["*.sol"]),
+    visibility = ["//visibility:public"],
+    deps = ["@openzeppelin-contracts"],
+)

external/erc721a.BUILD

@@ -0,0 +1,9 @@
+load("@//sol:defs.bzl", "sol_sources")
+
+package(default_visibility = ["//visibility:public"])
+
+sol_sources(
+    name = "erc721a",
+    srcs = glob(["**/*.sol"]),
+    remappings = {"erc721a/": "./external/erc721a/"},
+)

external/openzeppelin-contracts.BUILD

@@ -0,0 +1,9 @@
+load("@//sol:defs.bzl", "sol_sources")
+
+package(default_visibility = ["//visibility:public"])
+
+sol_sources(
+    name = "openzeppelin-contracts",
+    srcs = glob(["**/*.sol"]),
+    remappings = {"@openzeppelin/contracts/": "./external/openzeppelin-contracts/contracts/"},
+)

sol/BUILD.bazel

@@ -0,0 +1,46 @@
+load("@bazel_skylib//:bzl_library.bzl", "bzl_library")
+
+# For stardoc to reference the files
+exports_files(["defs.bzl"])
+
+# This is the target rule authors should put in their "toolchains"
+# attribute in order to get a runtime for the correct platform.
+# See https://docs.bazel.build/versions/main/toolchains.html#writing-rules-that-use-toolchains
+toolchain_type(
+    name = "toolchain_type",
+    visibility = ["//visibility:public"],
+)
+
+bzl_library(
+    name = "repositories",
+    srcs = ["repositories.bzl"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//sol/private:toolchains_repo",
+        "//sol/private:versions",
+        "@bazel_tools//tools/build_defs/repo:http.bzl",
+        "@bazel_tools//tools/build_defs/repo:utils.bzl",
+    ],
+)
+
+bzl_library(
+    name = "defs",
+    srcs = ["defs.bzl"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//sol/private:sol_binary",
+        "//sol/private:sol_sources",
+    ],
+)
+
+bzl_library(
+    name = "providers",
+    srcs = ["providers.bzl"],
+    visibility = ["//visibility:public"],
+)
+
+bzl_library(
+    name = "toolchain",
+    srcs = ["toolchain.bzl"],
+    visibility = ["//visibility:public"],
+)

sol/defs.bzl

@@ -0,0 +1,24 @@
+"""# Bazel rules for Solidity
+
+See <https://docs.soliditylang.org>
+"""
+
+load("//sol/private:sol_binary.bzl", lib = "sol_binary")
+load("//sol/private:sol_sources.bzl", src = "sol_sources")
+load(":providers.bzl", "SolSourcesInfo")
+
+sol_binary = rule(
+    implementation = lib.implementation,
+    attrs = lib.attrs,
+    doc = """sol_binary compiles Solidity source files with solc""",
+    toolchains = lib.toolchains,
+)
+
+sol_sources = rule(
+    implementation = src.implementation,
+    attrs = src.attrs,
+    doc = """Collect .sol source files to be imported as library code.
+    Performs no actions, so semantically equivalent to filegroup().
+    """,
+    provides = [SolSourcesInfo],
+)

sol/private/BUILD.bazel

@@ -0,0 +1,36 @@
+load("@bazel_skylib//:bzl_library.bzl", "bzl_library")
+
+bzl_library(
+    name = "toolchains_repo",
+    srcs = ["toolchains_repo.bzl"],
+    visibility = ["//sol:__subpackages__"],
+)
+
+bzl_library(
+    name = "versions",
+    srcs = ["versions.bzl"],
+    visibility = ["//sol:__subpackages__"],
+)
+
+bzl_library(
+    name = "sol_binary",
+    srcs = ["sol_binary.bzl"],
+    visibility = ["//sol:__subpackages__"],
+    deps = [
+        "//sol:providers",
+        "@aspect_rules_js//js:libs",
+        "@aspect_rules_js//js:providers",
+        "@bazel_skylib//lib:paths",
+    ],
+)
+
+bzl_library(
+    name = "sol_sources",
+    srcs = ["sol_sources.bzl"],
+    visibility = ["//sol:__subpackages__"],
+    deps = [
+        "//sol:providers",
+        "@aspect_rules_js//js:libs",
+        "@aspect_rules_js//js:providers",
+    ],
+)