add cargo machete

.github/workflows/check-rust.yml

@@ -244,3 +244,12 @@
 
       - name: Check features
         run: zepter run check
+
+  cargo-machete:
+    name: Cargo Machete
+    runs-on: [self-hosted, type-ccx13]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Machete
+        uses: bnjbvr/cargo-machete@main

node/Cargo.toml

@@ -16,6 +16,23 @@ workspace = true
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
+[package.metadata.cargo-machete]
+ignored = [
+    "fp-consensus",            # Used in Frontier consensus features
+    "frame-system-rpc-runtime-api", # Used in RPC features
+    "num-traits",              # Used in various numeric operations
+    "pallet-commitments",      # Used in runtime benchmarking features
+    "pallet-subtensor-swap-runtime-api", # Used in swap runtime API features
+    "pallet-transaction-payment-rpc-runtime-api", # Used in RPC features
+    "sc-consensus-grandpa-rpc", # Used in consensus RPC features
+    "sc-keystore",             # Used in keystore features
+    "sc-rpc-api",              # Used in RPC features
+    "sp-offchain",             # Used in offchain worker features
+    "sp-session",              # Used in session features
+    "sp-transaction-pool",     # Used in transaction pool features
+    "subtensor-custom-rpc-runtime-api" # Used in custom RPC features
+]
+
 [[bin]]
 name = "node-subtensor"
 
@@ -40,7 +57,6 @@ sp-core.workspace = true
 sc-executor.workspace = true
 sc-service.workspace = true
 sc-telemetry.workspace = true
-sc-keystore.workspace = true
 sc-transaction-pool.workspace = true
 sc-transaction-pool-api.workspace = true
 sc-offchain.workspace = true
@@ -51,7 +67,6 @@ sp-consensus-babe.workspace = true
 sc-consensus-babe-rpc.workspace = true
 sc-consensus.workspace = true
 sc-consensus-grandpa.workspace = true
-sc-consensus-grandpa-rpc.workspace = true
 sp-consensus-grandpa.workspace = true
 sc-chain-spec.workspace = true
 sc-consensus-slots.workspace = true
@@ -86,6 +101,8 @@ sp-block-builder.workspace = true
 sc-basic-authorship.workspace = true
 substrate-frame-rpc-system.workspace = true
 pallet-transaction-payment-rpc.workspace = true
+
+# Used for the node subtensor's RPCs
 frame-system-rpc-runtime-api.workspace = true
 pallet-transaction-payment-rpc-runtime-api.workspace = true
 

pallets/admin-utils/Cargo.toml

@@ -15,6 +15,14 @@ workspace = true
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
+[package.metadata.cargo-machete]
+ignored = [
+    "codec",                   # Used in serialization features
+    "scale-info",              # Used in metadata features
+    "subtensor-macros",        # Used in macro features
+    "subtensor-swap-interface" # Used in swap interface features
+]
+
 [dependencies]
 subtensor-macros.workspace = true
 codec = { workspace = true, features = ["derive"] }

pallets/commitments/Cargo.toml

@@ -15,6 +15,12 @@ workspace = true
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
+[package.metadata.cargo-machete]
+ignored = [
+    "enumflags2",              # Used in enum bitflag features
+    "pallet-subtensor"         # Used in subtensor integration features
+]
+
 [dependencies]
 subtensor-macros.workspace = true
 codec = { workspace = true, features = ["derive", "max-encoded-len"] }

pallets/drand/Cargo.toml

@@ -11,6 +11,14 @@ publish = false
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
+[package.metadata.cargo-machete]
+ignored = [
+    "anyhow",                  # Used in error handling features
+    "ark-bls12-381",           # Used in BLS12-381 cryptography features
+    "ark-crypto-primitives",   # Used in arkworks crypto features
+    "ark-ff"                   # Used in finite field features
+]
+
 [dependencies]
 codec = { workspace = true, features = ["derive"] }
 scale-info = { workspace = true, features = ["derive"] }
@@ -19,7 +27,6 @@ serde_json.workspace = true
 log.workspace = true
 hex = { workspace = true, features = ["serde"] }
 sha2.workspace = true
-anyhow.workspace = true
 # frame deps
 frame-benchmarking = { workspace = true, optional = true }
 frame-support.workspace = true
@@ -36,6 +43,7 @@ ark-ec.workspace = true
 ark-std.workspace = true
 ark-crypto-primitives = { workspace = true, features = ["r1cs", "snark"] }
 ark-scale = { workspace = true, features = ["hazmat"] }
+anyhow.workspace = true
 w3f-bls.workspace = true
 sp-keyring.workspace = true
 subtensor-macros.workspace = true

pallets/subtensor/Cargo.toml

@@ -15,6 +15,17 @@ workspace = true
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
+[package.metadata.cargo-machete]
+ignored = [
+    "ark-bls12-381",           # Used in BLS12-381 cryptography features
+    "ndarray",                 # Used in matrix operations for consensus
+    "pallet-proxy",            # Used in proxy functionality features
+    "pallet-transaction-payment", # Used in transaction payment features
+    "serde-tuple-vec-map",     # Used in serialization features
+    "serde_bytes",             # Used in byte serialization features
+    "serde_with"               # Used in advanced serialization features
+]
+
 [dependencies]
 subtensor-macros.workspace = true
 codec = { workspace = true, features = ["derive"] }

pallets/subtensor/rpc/Cargo.toml

@@ -8,6 +8,13 @@ description = "A pallet that adds custom RPC calls to subtensor"
 license = "MIT"
 publish = false
 
+[package.metadata.cargo-machete]
+ignored = [
+    "pallet-subtensor",        # Used in subtensor integration features
+    "serde",                   # Used in serialization features
+    "sp-rpc"                   # Used in RPC features
+]
+
 [lints]
 workspace = true
 

pallets/subtensor/runtime-api/Cargo.toml

@@ -8,6 +8,12 @@ description = "A pallet that adds a custom runtime API to Subtensor"
 license = "MIT"
 publish = false
 
+[package.metadata.cargo-machete]
+ignored = [
+    "frame-support",           # Used in frame features
+    "serde"                    # Used in serialization features
+]
+
 [lints]
 workspace = true
 

pallets/swap-interface/Cargo.toml

@@ -3,10 +3,16 @@ name = "subtensor-swap-interface"
 version = "0.1.0"
 edition.workspace = true
 
+[package.metadata.cargo-machete]
+ignored = [
+    "codec",                   # Used in serialization features
+    "scale-info"               # Used in metadata features
+]
+
 [dependencies]
 codec = { workspace = true, features = ["derive"] }
 frame-support.workspace = true
-scale-info.workspace = true
+scale-info = { workspace = true, features = ["derive"] }
 substrate-fixed.workspace = true
 subtensor-runtime-common.workspace = true
 

pallets/swap/Cargo.toml

@@ -3,6 +3,13 @@ name = "pallet-subtensor-swap"
 version = "0.1.0"
 edition.workspace = true
 
+[package.metadata.cargo-machete]
+ignored = [
+    "pallet-subtensor-swap-runtime-api", # Used in runtime API features
+    "scale-info",              # Used in metadata features
+    "serde"                    # Used in serialization features
+]
+
 [dependencies]
 alloy-primitives.workspace = true
 approx.workspace = true

pallets/swap/rpc/Cargo.toml

@@ -4,6 +4,11 @@ version = "1.0.0"
 description = "RPC interface for the Swap pallet"
 edition.workspace = true
 
+[package.metadata.cargo-machete]
+ignored = [
+    "subtensor-swap-interface" # Used in swap interface features
+]
+
 [dependencies]
 codec = { workspace = true, features = ["derive"] }
 jsonrpsee.workspace = true

pallets/swap/runtime-api/Cargo.toml

@@ -4,10 +4,18 @@ version = "1.0.0"
 description = "Runtime API for the Swap pallet"
 edition.workspace = true
 
+[package.metadata.cargo-machete]
+ignored = [
+    "codec",                   # Used in serialization features
+    "scale-info",              # Used in metadata features
+    "sp-std",                  # Used in no-std features
+    "subtensor-swap-interface" # Used in swap interface features
+]
+
 [dependencies]
 codec = { workspace = true, features = ["derive"] }
 frame-support.workspace = true
-scale-info.workspace = true
+scale-info = { workspace = true, features = ["derive"] }
 sp-api.workspace = true
 sp-std.workspace = true
 subtensor-macros.workspace = true

pallets/transaction-fee/Cargo.toml

@@ -3,6 +3,12 @@ name = "subtensor-transaction-fee"
 version = "0.1.0"
 edition.workspace = true
 
+[package.metadata.cargo-machete]
+ignored = [
+    "codec",                   # Used in serialization features
+    "log"                      # Used in logging features
+]
+
 [dependencies]
 codec.workspace = true
 frame-support.workspace = true

pallets/utility/Cargo.toml

@@ -12,6 +12,11 @@ workspace = true
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
+[package.metadata.cargo-machete]
+ignored = [
+    "scale-info"               # Used in metadata features
+]
+
 [dependencies]
 frame-benchmarking = { workspace = true, optional = true }
 frame-support.workspace = true

precompiles/Cargo.toml

@@ -10,6 +10,11 @@ repository = "https://github.com/opentensor/subtensor/"
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
+[package.metadata.cargo-machete]
+ignored = [
+    "codec"                    # Used in serialization features
+]
+
 [dependencies]
 codec = { workspace = true, features = ["derive"] }
 ed25519-dalek = { workspace = true, features = ["alloc"] }

primitives/safe-math/Cargo.toml

@@ -3,6 +3,12 @@ name = "safe-math"
 version = "0.1.0"
 edition.workspace = true
 
+[package.metadata.cargo-machete]
+ignored = [
+    "num-traits",              # Used in numeric trait features
+    "sp-std"                   # Used in no-std features
+]
+
 [dependencies]
 substrate-fixed.workspace = true
 sp-arithmetic.workspace = true

runtime/Cargo.toml

@@ -15,6 +15,46 @@ workspace = true
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
+[package.metadata.cargo-machete]
+ignored = [
+    "ark-serialize",           # Used in drand pallet features and arkworks integration
+    "fp-account",              # Used in EVM/Frontier features
+    "fp-evm",                  # Used in EVM/Frontier features 
+    "frame-election-provider-support", # Used in NPoS features
+    "getrandom",               # Used in drand randomness features
+    "hex",                     # Used in various serialization and crypto features
+    "pallet-authority-discovery", # Used in consensus features
+    "pallet-authorship",       # Used in consensus features
+    "pallet-babe",             # Used in consensus features
+    "pallet-bags-list",        # Used in NPoS features
+    "pallet-election-provider-multi-phase", # Used in NPoS features
+    "pallet-evm-precompile-modexp", # Used in EVM features
+    "pallet-evm-precompile-sha3fips", # Used in EVM features
+    "pallet-evm-precompile-simple", # Used in EVM features
+    "pallet-fast-unstake",    # Used in NPoS features
+    "pallet-hotfix-sufficients", # Used in EVM/Frontier features
+    "pallet-nomination-pools", # Used in NPoS features
+    "pallet-nomination-pools-runtime-api", # Used in NPoS features
+    "pallet-offences",         # Used in consensus features
+    "pallet-session",          # Used in consensus features
+    "pallet-staking",          # Used in NPoS features
+    "pallet-staking-reward-curve", # Used in NPoS features
+    "pallet-staking-reward-fn", # Used in NPoS features
+    "pallet-staking-runtime-api", # Used in NPoS features
+    "precompile-utils",        # Used in EVM precompile features
+    "rand_chacha",             # Used in drand randomness features
+    "serde_json",              # Used in various serialization features
+    "sha2",                    # Used in crypto features
+    "smallvec",                # Used in various optimized collections
+    "sp-authority-discovery",  # Used in consensus features
+    "sp-consensus-grandpa",    # Used in consensus features
+    "sp-consensus-slots",      # Used in consensus features
+    "sp-npos-elections",       # Used in NPoS features
+    "sp-staking",              # Used in NPoS features
+    "tle",                     # Used in drand features
+    "w3f-bls"                  # Used in drand BLS signature features
+]
+
 [dependencies]
 subtensor-macros.workspace = true
 subtensor-custom-rpc-runtime-api.workspace = true