ci: add deny CI

.github/workflows/deps.yml

@@ -0,0 +1,43 @@
+name: deps
+
+on:
+    push:
+        branches: [master]
+        paths: [Cargo.lock]
+    pull_request:
+        branches: [master]
+        paths: [Cargo.lock]
+
+env:
+    RUSTFLAGS: -D warnings
+    CARGO_TERM_COLOR: always
+
+concurrency:
+    group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+    cancel-in-progress: true
+
+jobs:
+    audit:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+            - uses: dtolnay/rust-toolchain@nightly
+            - run: cargo install --locked cargo-audit
+            - run: cargo audit
+
+    deny:
+        name: deny (${{ matrix.checks }})
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                checks:
+                    - advisories
+                    - bans licenses sources
+
+        continue-on-error: ${{ matrix.checks == 'advisories' }}
+
+        steps:
+            - uses: actions/checkout@v3
+            - uses: EmbarkStudios/cargo-deny-action@v1
+              with:
+                  command: check ${{ matrix.checks }}

.github/workflows/releases.yml

@@ -1,4 +1,4 @@
-name: Release
+name: release
 
 on:
     schedule:

.github/workflows/rustsec.yml

@@ -1,23 +0,0 @@
-name: Security audit
-
-on:
-    push:
-        branches: [master]
-        paths:
-            - "**/Cargo.toml"
-            - "**/Cargo.lock"
-    pull_request:
-        branches: [master]
-        paths:
-            - "**/Cargo.toml"
-            - "**/Cargo.lock"
-
-jobs:
-    audit:
-        name: Security audit
-        runs-on: ubuntu-latest
-        steps:
-            - uses: actions/checkout@v3
-            - uses: dtolnay/rust-toolchain@nightly
-            - run: cargo install --locked cargo-audit
-            - run: cargo audit --deny warnings

deny.toml

@@ -0,0 +1,89 @@
+# This section is considered when running `cargo deny check advisories`
+# More documentation for the advisories section can be found here:
+# https://embarkstudios.github.io/cargo-deny/checks/advisories/cfg.html
+[advisories]
+vulnerability = "deny"
+unmaintained = "warn"
+unsound = "warn"
+yanked = "warn"
+notice = "warn"
+
+# This section is considered when running `cargo deny check bans`.
+# More documentation about the 'bans' section can be found here:
+# https://embarkstudios.github.io/cargo-deny/checks/bans/cfg.html
+[bans]
+# Lint level for when multiple versions of the same crate are detected
+multiple-versions = "warn"
+# Lint level for when a crate version requirement is `*`
+wildcards = "allow"
+highlight = "all"
+# List of crates to deny
+deny = [
+    # Each entry the name of a crate and a version range. If version is
+    # not specified, all versions will be matched.
+    #{ name = "ansi_term", version = "=0.11.0" },
+]
+# Certain crates/versions that will be skipped when doing duplicate detection.
+skip = []
+# Similarly to `skip` allows you to skip certain crates during duplicate
+# detection. Unlike skip, it also includes the entire tree of transitive
+# dependencies starting at the specified crate, up to a certain depth, which is
+# by default infinite
+skip-tree = []
+
+[licenses]
+unlicensed = "deny"
+# List of explicitly allowed licenses
+# See https://spdx.org/licenses/ for list of possible licenses
+# [possible values: any SPDX 3.7 short identifier (+ optional exception)].
+allow = [
+    "MIT",
+    "Apache-2.0",
+    "Apache-2.0 WITH LLVM-exception",
+    "BSD-2-Clause",
+    "BSD-3-Clause",
+    "ISC",
+    "Unicode-DFS-2016",
+    "OpenSSL",
+    "Unlicense",
+]
+
+# Allow 1 or more licenses on a per-crate basis, so that particular licenses
+# aren't accepted for every possible crate as with the normal allow list
+exceptions = [
+    # CC0 is a permissive license but somewhat unclear status for source code
+    # so we prefer to not have dependencies using it
+    # https://tldrlegal.com/license/creative-commons-cc0-1.0-universal
+    { allow = ["CC0-1.0"], name = "secp256k1" },
+    { allow = ["CC0-1.0"], name = "secp256k1-sys" },
+    { allow = ["CC0-1.0"], name = "tiny-keccak" },
+    { allow = ["CC0-1.0"], name = "more-asserts" },
+
+    # TODO: ethers transitive deps
+    { allow = ["GPL-3.0"], name = "fastrlp" },
+    { allow = ["GPL-3.0"], name = "fastrlp-derive" },
+]
+#copyleft = "deny"
+
+# See note in unicode-ident's readme!
+[[licenses.clarify]]
+name = "unicode-ident"
+version = "*"
+expression = "(MIT OR Apache-2.0) AND Unicode-DFS-2016"
+license-files = [{ path = "LICENSE-UNICODE", hash = 0x3fb01745 }]
+[[licenses.clarify]]
+name = "ring"
+version = "*"
+expression = "OpenSSL"
+license-files = [{ path = "LICENSE", hash = 0xbd0eed23 }]
+
+# This section is considered when running `cargo deny check sources`.
+# More documentation about the 'sources' section can be found here:
+# https://embarkstudios.github.io/cargo-deny/checks/sources/cfg.html
+[sources]
+# Lint level for what to happen when a crate from a crate registry that is not
+# in the allow list is encountered
+unknown-registry = "warn"
+# Lint level for what to happen when a crate from a git repository that is not
+# in the allow list is encountered
+unknown-git = "allow"