diff --git a/Cargo.lock b/Cargo.lock
index f584133e4..86f0fa464 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -303,6 +303,16 @@ version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "155a5a185e42c6b77ac7b88a15143d930a9e9727a5b7b77eed417404ab15c247"
+[[package]]
+name = "async-attributes"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3203e79f4dd9bdda415ed03cf14dae5a2bf775c683a00f94e9cd1faf0f596e5"
+dependencies = [
+ "quote",
+ "syn 1.0.109",
+]
+
[[package]]
name = "async-channel"
version = "1.9.0"
@@ -334,11 +344,23 @@ checksum = "30ca9a001c1e8ba5149f91a74362376cc6bc5b919d92d988668657bd570bdcec"
dependencies = [
"async-task",
"concurrent-queue",
- "fastrand",
- "futures-lite",
+ "fastrand 2.2.0",
+ "futures-lite 2.5.0",
"slab",
]
+[[package]]
+name = "async-fs"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "279cf904654eeebfa37ac9bb1598880884924aab82e290aa65c9e77a0e142e06"
+dependencies = [
+ "async-lock 2.8.0",
+ "autocfg",
+ "blocking",
+ "futures-lite 1.13.0",
+]
+
[[package]]
name = "async-global-executor"
version = "2.4.1"
@@ -347,32 +369,61 @@ checksum = "05b1b633a2115cd122d73b955eadd9916c18c8f510ec9cd1686404c60ad1c29c"
dependencies = [
"async-channel 2.3.1",
"async-executor",
- "async-io",
- "async-lock",
+ "async-io 2.4.0",
+ "async-lock 3.4.0",
"blocking",
- "futures-lite",
+ "futures-lite 2.5.0",
"once_cell",
]
+[[package]]
+name = "async-io"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fc5b45d93ef0529756f812ca52e44c221b35341892d3dcc34132ac02f3dd2af"
+dependencies = [
+ "async-lock 2.8.0",
+ "autocfg",
+ "cfg-if",
+ "concurrent-queue",
+ "futures-lite 1.13.0",
+ "log",
+ "parking",
+ "polling 2.8.0",
+ "rustix 0.37.28",
+ "slab",
+ "socket2 0.4.10",
+ "waker-fn",
+]
+
[[package]]
name = "async-io"
version = "2.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "43a2b323ccce0a1d90b449fd71f2a06ca7faa7c54c2751f06c9bd851fc061059"
dependencies = [
- "async-lock",
+ "async-lock 3.4.0",
"cfg-if",
"concurrent-queue",
"futures-io",
- "futures-lite",
+ "futures-lite 2.5.0",
"parking",
- "polling",
- "rustix",
+ "polling 3.7.4",
+ "rustix 0.38.40",
"slab",
"tracing",
"windows-sys 0.59.0",
]
+[[package]]
+name = "async-lock"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "287272293e9d8c41773cec55e365490fe034813a2f172f502d6ddcf75b2f582b"
+dependencies = [
+ "event-listener 2.5.3",
+]
+
[[package]]
name = "async-lock"
version = "3.4.0"
@@ -384,6 +435,53 @@ dependencies = [
"pin-project-lite",
]
+[[package]]
+name = "async-net"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0434b1ed18ce1cf5769b8ac540e33f01fa9471058b5e89da9e06f3c882a8c12f"
+dependencies = [
+ "async-io 1.13.0",
+ "blocking",
+ "futures-lite 1.13.0",
+]
+
+[[package]]
+name = "async-process"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea6438ba0a08d81529c69b36700fa2f95837bfe3e776ab39cde9c14d9149da88"
+dependencies = [
+ "async-io 1.13.0",
+ "async-lock 2.8.0",
+ "async-signal",
+ "blocking",
+ "cfg-if",
+ "event-listener 3.1.0",
+ "futures-lite 1.13.0",
+ "rustix 0.38.40",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "async-process"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63255f1dc2381611000436537bbedfe83183faa303a5a0edaf191edef06526bb"
+dependencies = [
+ "async-channel 2.3.1",
+ "async-io 2.4.0",
+ "async-lock 3.4.0",
+ "async-signal",
+ "async-task",
+ "blocking",
+ "cfg-if",
+ "event-listener 5.3.1",
+ "futures-lite 2.5.0",
+ "rustix 0.38.40",
+ "tracing",
+]
+
[[package]]
name = "async-recursion"
version = "1.1.1"
@@ -395,21 +493,41 @@ dependencies = [
"syn 2.0.87",
]
+[[package]]
+name = "async-signal"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "637e00349800c0bdf8bfc21ebbc0b6524abea702b0da4168ac00d070d0c0b9f3"
+dependencies = [
+ "async-io 2.4.0",
+ "async-lock 3.4.0",
+ "atomic-waker",
+ "cfg-if",
+ "futures-core",
+ "futures-io",
+ "rustix 0.38.40",
+ "signal-hook-registry",
+ "slab",
+ "windows-sys 0.59.0",
+]
+
[[package]]
name = "async-std"
version = "1.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c634475f29802fde2b8f0b505b1bd00dfe4df7d4a000f0b36f7671197d5c3615"
dependencies = [
+ "async-attributes",
"async-channel 1.9.0",
"async-global-executor",
- "async-io",
- "async-lock",
+ "async-io 2.4.0",
+ "async-lock 3.4.0",
+ "async-process 2.3.0",
"crossbeam-utils",
"futures-channel",
"futures-core",
"futures-io",
- "futures-lite",
+ "futures-lite 2.5.0",
"gloo-timers 0.3.0",
"kv-log-macro",
"log",
@@ -421,6 +539,21 @@ dependencies = [
"wasm-bindgen-futures",
]
+[[package]]
+name = "async-std-resolver"
+version = "0.24.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa5ee46ec0c518414838d2fdc7dd18f6ba7d934b6e728005c958621da450682d"
+dependencies = [
+ "async-std",
+ "async-trait",
+ "futures-io",
+ "futures-util",
+ "hickory-resolver",
+ "pin-utils",
+ "socket2 0.5.7",
+]
+
[[package]]
name = "async-stm"
version = "0.4.0"
@@ -843,6 +976,19 @@ dependencies = [
"constant_time_eq 0.3.1",
]
+[[package]]
+name = "blake3"
+version = "1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8ee0c1824c4dea5b5f81736aff91bae041d2c07ee1192bec91054e10e3e601e"
+dependencies = [
+ "arrayref",
+ "arrayvec 0.7.6",
+ "cc",
+ "cfg-if",
+ "constant_time_eq 0.3.1",
+]
+
[[package]]
name = "block-buffer"
version = "0.9.0"
@@ -879,7 +1025,7 @@ dependencies = [
"async-channel 2.3.1",
"async-task",
"futures-io",
- "futures-lite",
+ "futures-lite 2.5.0",
"piper",
]
@@ -1067,6 +1213,16 @@ dependencies = [
"pkg-config",
]
+[[package]]
+name = "cached"
+version = "0.30.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af4dfac631a8e77b2f327f7852bb6172771f5279c4512efe79fad6067b37be3d"
+dependencies = [
+ "hashbrown 0.11.2",
+ "once_cell",
+]
+
[[package]]
name = "camino"
version = "1.1.9"
@@ -1190,8 +1346,10 @@ checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
dependencies = [
"android-tzdata",
"iana-time-zone",
+ "js-sys",
"num-traits",
"serde",
+ "wasm-bindgen",
"windows-targets 0.52.6",
]
@@ -1201,6 +1359,19 @@ version = "1.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6e4de3bc4ea267985becf712dc6d9eed8b04c953b3fcfb339ebc87acd9804901"
+[[package]]
+name = "cid"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6ed9c8b2d17acb8110c46f1da5bf4a696d745e1474a16db0cd2b49cd0249bf2"
+dependencies = [
+ "core2",
+ "multibase",
+ "multihash 0.16.3",
+ "serde",
+ "unsigned-varint 0.7.2",
+]
+
[[package]]
name = "cid"
version = "0.10.1"
@@ -2279,6 +2450,19 @@ dependencies = [
"regex",
]
+[[package]]
+name = "env_logger"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a12e6657c4c97ebab115a42dcee77225f7f482cdd841cf7088c657a42e9e00e7"
+dependencies = [
+ "atty",
+ "humantime 2.1.0",
+ "log",
+ "regex",
+ "termcolor",
+]
+
[[package]]
name = "env_logger"
version = "0.10.2"
@@ -2642,6 +2826,17 @@ version = "2.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
+[[package]]
+name = "event-listener"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d93877bcde0eb80ca09131a08d23f0a5c18a620b01db137dba666d18cd9b30c2"
+dependencies = [
+ "concurrent-queue",
+ "parking",
+ "pin-project-lite",
+]
+
[[package]]
name = "event-listener"
version = "5.3.1"
@@ -2731,6 +2926,15 @@ version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2acce4a10f12dc2fb14a218589d4f1f62ef011b2d0cc4b3cb1bba8e94da14649"
+[[package]]
+name = "fastrand"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
+
[[package]]
name = "fastrand"
version = "2.2.0"
@@ -2768,7 +2972,7 @@ name = "fendermint_actor_activity_tracker"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fil_actors_evm_shared",
"fil_actors_runtime",
"frc42_dispatch",
@@ -2789,7 +2993,7 @@ name = "fendermint_actor_chainmetadata"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fil_actors_runtime",
"frc42_dispatch",
"fvm_ipld_amt",
@@ -2807,7 +3011,7 @@ name = "fendermint_actor_eam"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fil_actor_eam",
"fil_actors_evm_shared",
"fil_actors_runtime",
@@ -2828,7 +3032,7 @@ name = "fendermint_actor_gas_market_eip1559"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fendermint_actors_api",
"fil_actors_evm_shared",
"fil_actors_runtime",
@@ -2849,7 +3053,7 @@ name = "fendermint_actors"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fendermint_actor_activity_tracker",
"fendermint_actor_chainmetadata",
"fendermint_actor_eam",
@@ -2867,7 +3071,7 @@ name = "fendermint_actors_api"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fil_actors_evm_shared",
"fil_actors_runtime",
"frc42_dispatch",
@@ -2890,7 +3094,7 @@ dependencies = [
"async-stm",
"async-trait",
"bytes",
- "cid",
+ "cid 0.10.1",
"fendermint_abci",
"fendermint_actor_gas_market_eip1559",
"fendermint_actors_api",
@@ -2925,7 +3129,7 @@ dependencies = [
"ipc_ipld_resolver",
"k256 0.11.6",
"lazy_static",
- "libipld",
+ "libipld 0.16.0",
"libp2p",
"libp2p-bitswap",
"literally",
@@ -2935,7 +3139,7 @@ dependencies = [
"paste",
"prometheus",
"prometheus_exporter",
- "prost",
+ "prost 0.11.9",
"quickcheck",
"quickcheck_macros",
"rand_chacha",
@@ -2961,7 +3165,7 @@ version = "0.1.0"
dependencies = [
"anyhow",
"bytes",
- "cid",
+ "cid 0.10.1",
"clap 4.5.21",
"fendermint_materializer",
"fendermint_vm_actor_interface",
@@ -3016,7 +3220,7 @@ dependencies = [
"async-trait",
"byteorder",
"bytes",
- "cid",
+ "cid 0.10.1",
"ethers",
"fendermint_actor_gas_market_eip1559",
"fendermint_actors_api",
@@ -3060,7 +3264,7 @@ dependencies = [
"anyhow",
"async-trait",
"axum",
- "cid",
+ "cid 0.10.1",
"clap 4.5.21",
"erased-serde",
"ethers",
@@ -3162,7 +3366,7 @@ name = "fendermint_rocksdb"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fendermint_storage",
"fvm_ipld_blockstore",
"fvm_ipld_encoding",
@@ -3182,7 +3386,7 @@ dependencies = [
"async-trait",
"base64 0.21.7",
"bytes",
- "cid",
+ "cid 0.10.1",
"clap 4.5.21",
"ethers",
"fendermint_crypto",
@@ -3193,7 +3397,7 @@ dependencies = [
"fvm_shared",
"hex",
"lazy_static",
- "prost",
+ "prost 0.11.9",
"serde",
"serde_json",
"tendermint 0.31.1",
@@ -3230,7 +3434,7 @@ version = "0.1.0"
dependencies = [
"arbitrary",
"arbtest",
- "cid",
+ "cid 0.10.1",
"ethers",
"fendermint_testing",
"fvm_ipld_encoding",
@@ -3259,7 +3463,7 @@ name = "fendermint_vm_actor_interface"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"ethers",
"ethers-core",
"fendermint_crypto",
@@ -3289,7 +3493,7 @@ name = "fendermint_vm_core"
version = "0.1.0"
dependencies = [
"arbitrary",
- "cid",
+ "cid 0.10.1",
"fnv",
"fvm_shared",
"lazy_static",
@@ -3304,7 +3508,7 @@ dependencies = [
name = "fendermint_vm_encoding"
version = "0.1.0"
dependencies = [
- "cid",
+ "cid 0.10.1",
"fvm_shared",
"ipc-api",
"num-traits",
@@ -3325,7 +3529,7 @@ version = "0.1.0"
dependencies = [
"anyhow",
"arbitrary",
- "cid",
+ "cid 0.10.1",
"fendermint_actor_eam",
"fendermint_crypto",
"fendermint_testing",
@@ -3357,7 +3561,7 @@ dependencies = [
"async-stm",
"async-trait",
"base64 0.21.7",
- "cid",
+ "cid 0.10.1",
"ethers",
"fendermint_actor_activity_tracker",
"fendermint_actor_chainmetadata",
@@ -3390,7 +3594,7 @@ dependencies = [
"ipc-api",
"ipc-observability",
"ipc_actors_abis",
- "libipld",
+ "libipld 0.16.0",
"merkle-tree-rs",
"multihash 0.18.1",
"num-traits",
@@ -3421,7 +3625,7 @@ dependencies = [
"anyhow",
"arbitrary",
"blake2b_simd",
- "cid",
+ "cid 0.10.1",
"ethers",
"ethers-core",
"fendermint_crypto",
@@ -3449,7 +3653,7 @@ name = "fendermint_vm_resolver"
version = "0.1.0"
dependencies = [
"async-stm",
- "cid",
+ "cid 0.10.1",
"im",
"ipc-api",
"ipc_ipld_resolver",
@@ -3465,7 +3669,7 @@ dependencies = [
"anyhow",
"arbitrary",
"async-stm",
- "cid",
+ "cid 0.10.1",
"dircpy",
"fendermint_testing",
"fendermint_vm_core",
@@ -3502,7 +3706,7 @@ dependencies = [
"async-stm",
"async-trait",
"bytes",
- "cid",
+ "cid 0.10.1",
"clap 4.5.21",
"ethers",
"fendermint_crypto",
@@ -3568,7 +3772,7 @@ checksum = "e0b1448c65c9a054c640fc086e03b730919ca4feca697c34ed3bda9f16aa982f"
dependencies = [
"anyhow",
"async-std",
- "cid",
+ "cid 0.10.1",
"clap 4.5.21",
"futures",
"fvm_ipld_blockstore",
@@ -3585,7 +3789,7 @@ version = "15.0.0-rc1"
source = "git+https://github.com/filecoin-project/builtin-actors?tag=v15.0.0#831bf1b9fe281835409c39a8c454a68dd3200bbc"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fil_actors_evm_shared",
"fil_actors_runtime",
"fvm_ipld_blockstore",
@@ -3623,7 +3827,7 @@ dependencies = [
"blake2b_simd",
"byteorder",
"castaway",
- "cid",
+ "cid 0.10.1",
"fvm_ipld_amt",
"fvm_ipld_bitfield",
"fvm_ipld_blockstore",
@@ -3833,7 +4037,6 @@ dependencies = [
[[package]]
name = "frc42_dispatch"
version = "7.0.0"
-source = "git+https://github.com/filecoin-project/actors-utils?rev=0f8365151f44785f7bead4e5500258fd5c8944e6#0f8365151f44785f7bead4e5500258fd5c8944e6"
dependencies = [
"frc42_hasher",
"frc42_macros",
@@ -3846,7 +4049,6 @@ dependencies = [
[[package]]
name = "frc42_hasher"
version = "5.0.0"
-source = "git+https://github.com/filecoin-project/actors-utils?rev=0f8365151f44785f7bead4e5500258fd5c8944e6#0f8365151f44785f7bead4e5500258fd5c8944e6"
dependencies = [
"fvm_sdk",
"fvm_shared",
@@ -3856,13 +4058,13 @@ dependencies = [
[[package]]
name = "frc42_macros"
version = "5.0.0"
-source = "git+https://github.com/filecoin-project/actors-utils?rev=0f8365151f44785f7bead4e5500258fd5c8944e6#0f8365151f44785f7bead4e5500258fd5c8944e6"
dependencies = [
"blake2b_simd",
"frc42_hasher",
"proc-macro2",
"quote",
"syn 1.0.109",
+ "trybuild",
]
[[package]]
@@ -3940,13 +4142,28 @@ version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
+[[package]]
+name = "futures-lite"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49a9d51ce47660b1e808d3c990b4709f2f415d928835a17dfd16991515c46bce"
+dependencies = [
+ "fastrand 1.9.0",
+ "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
+ "pin-project-lite",
+ "waker-fn",
+]
+
[[package]]
name = "futures-lite"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cef40d21ae2c515b51041df9ed313ed21e572df340ea58a922a0aefe7e8891a1"
dependencies = [
- "fastrand",
+ "fastrand 2.2.0",
"futures-core",
"futures-io",
"parking",
@@ -4045,7 +4262,7 @@ dependencies = [
"ambassador",
"anyhow",
"arbitrary",
- "cid",
+ "cid 0.10.1",
"derive_more",
"filecoin-proofs-api",
"fvm-wasm-instrument",
@@ -4091,7 +4308,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5fea333475130094f27ce67809aae3f69eb5247541d835950b7c5da733dbbb34"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fvm_ipld_blockstore",
"fvm_ipld_encoding",
"itertools 0.11.0",
@@ -4119,7 +4336,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d064b957420f5ecc137a153baaa6c32e2eb19b674135317200b6f2537eabdbfd"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"multihash 0.18.1",
]
@@ -4129,7 +4346,7 @@ version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6190f03442b67b21a3d4e115c4d4dd3468aed24e27ebb074218822c1b3df41ba"
dependencies = [
- "cid",
+ "cid 0.10.1",
"futures",
"fvm_ipld_blockstore",
"fvm_ipld_encoding",
@@ -4145,7 +4362,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90608092e31d9a06236268c58f7c36668ab4b2a48afafe3a97e08f094ad7ae50"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fvm_ipld_blockstore",
"multihash 0.18.1",
"serde",
@@ -4163,11 +4380,11 @@ checksum = "48c900736087ff87cc51f669eee2f8e000c80717472242eb3f712aaa059ac3b3"
dependencies = [
"anyhow",
"byteorder",
- "cid",
+ "cid 0.10.1",
"forest_hash_utils",
"fvm_ipld_blockstore",
"fvm_ipld_encoding",
- "libipld-core",
+ "libipld-core 0.16.0",
"multihash 0.18.1",
"once_cell",
"serde",
@@ -4181,7 +4398,7 @@ version = "4.4.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3b2df521d41de41c34ac712720abdd6e29e68e3ed922554db70dbf8bc49a82b7"
dependencies = [
- "cid",
+ "cid 0.10.1",
"fvm_ipld_encoding",
"fvm_shared",
"lazy_static",
@@ -4201,7 +4418,7 @@ dependencies = [
"bitflags 2.6.0",
"blake2b_simd",
"bls-signatures 0.15.0",
- "cid",
+ "cid 0.10.1",
"data-encoding",
"data-encoding-macro",
"filecoin-proofs-api",
@@ -4232,11 +4449,12 @@ dependencies = [
[[package]]
name = "gcra"
version = "0.4.0"
-source = "git+https://github.com/consensus-shipyard/gcra-rs.git?branch=main#621a45559a1107778dfcb6ebdf00a7ee848a8d8c"
dependencies = [
+ "chrono",
"dashmap",
"rustc-hash 1.1.0",
"thiserror 1.0.69",
+ "tokio",
]
[[package]]
@@ -4374,6 +4592,12 @@ dependencies = [
"tracing",
]
+[[package]]
+name = "hashbrown"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+
[[package]]
name = "hashbrown"
version = "0.12.3"
@@ -4533,7 +4757,7 @@ dependencies = [
"ipnet",
"once_cell",
"rand",
- "socket2",
+ "socket2 0.5.7",
"thiserror 1.0.69",
"tinyvec",
"tokio",
@@ -4693,7 +4917,7 @@ dependencies = [
"httpdate",
"itoa",
"pin-project-lite",
- "socket2",
+ "socket2 0.5.7",
"tokio",
"tower-service",
"tracing",
@@ -4977,7 +5201,7 @@ version = "3.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d6b0422c86d7ce0e97169cc42e04ae643caf278874a7a3c87b8150a220dc7e1e"
dependencies = [
- "async-io",
+ "async-io 2.4.0",
"core-foundation",
"fnv",
"futures",
@@ -4985,6 +5209,7 @@ dependencies = [
"ipnet",
"log",
"rtnetlink",
+ "smol",
"system-configuration",
"tokio",
"windows",
@@ -5120,6 +5345,17 @@ version = "3.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8bb03732005da905c88227371639bf1ad885cc712789c011c31c5fb3ab3ccf02"
+[[package]]
+name = "io-lifetimes"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
+dependencies = [
+ "hermit-abi 0.3.9",
+ "libc",
+ "windows-sys 0.48.0",
+]
+
[[package]]
name = "iowrap"
version = "0.2.1"
@@ -5134,7 +5370,7 @@ name = "ipc-api"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"ethers",
"fil_actors_runtime",
"fnv",
@@ -5168,7 +5404,7 @@ dependencies = [
"async-trait",
"base64 0.21.7",
"bytes",
- "cid",
+ "cid 0.10.1",
"clap 4.5.21",
"clap_complete",
"env_logger 0.10.2",
@@ -5231,7 +5467,7 @@ dependencies = [
"async-trait",
"base64 0.21.7",
"bytes",
- "cid",
+ "cid 0.10.1",
"dirs",
"ethers",
"ethers-contract",
@@ -5276,7 +5512,7 @@ name = "ipc-types"
version = "0.1.0"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fvm_ipld_amt",
"fvm_ipld_blockstore",
"fvm_ipld_encoding",
@@ -5342,7 +5578,7 @@ dependencies = [
"base64 0.21.7",
"blake2b_simd",
"bloom",
- "cid",
+ "cid 0.10.1",
"env_logger 0.10.2",
"fvm_ipld_blockstore",
"fvm_ipld_encoding",
@@ -5353,7 +5589,7 @@ dependencies = [
"ipc-observability",
"ipc_ipld_resolver",
"lazy_static",
- "libipld",
+ "libipld 0.16.0",
"libp2p",
"libp2p-bitswap",
"libp2p-mplex",
@@ -5377,7 +5613,7 @@ version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b58db92f96b720de98181bbbe63c831e87005ab460c1bf306eb2622b4707997f"
dependencies = [
- "socket2",
+ "socket2 0.5.7",
"widestring",
"windows-sys 0.48.0",
"winreg",
@@ -5626,6 +5862,24 @@ version = "0.2.162"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "18d287de67fe55fd7e1581fe933d965a5a9477b38e949cfa9f8574ef01506398"
+[[package]]
+name = "libipld"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac9c3aa309c260aa2f174bac968901eddc546e9d85950c28eae6a7bec402f926"
+dependencies = [
+ "async-trait",
+ "cached",
+ "fnv",
+ "libipld-cbor 0.14.0",
+ "libipld-core 0.14.0",
+ "libipld-macro 0.14.0",
+ "log",
+ "multihash 0.16.3",
+ "parking_lot",
+ "thiserror 1.0.69",
+]
+
[[package]]
name = "libipld"
version = "0.16.0"
@@ -5633,14 +5887,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f1ccd6b8ffb3afee7081fcaec00e1b099fd1c7ccf35ba5729d88538fcc3b4599"
dependencies = [
"fnv",
- "libipld-cbor",
- "libipld-core",
- "libipld-macro",
+ "libipld-cbor 0.16.0",
+ "libipld-core 0.16.0",
+ "libipld-macro 0.16.0",
"log",
"multihash 0.18.1",
"thiserror 1.0.69",
]
+[[package]]
+name = "libipld-cbor"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dd1ab68c9d26f20c7d0dfea6eecbae8c00359875210001b33ca27d4a02f3d09"
+dependencies = [
+ "byteorder",
+ "libipld-core 0.14.0",
+ "thiserror 1.0.69",
+]
+
[[package]]
name = "libipld-cbor"
version = "0.16.0"
@@ -5648,7 +5913,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77d98c9d1747aa5eef1cf099cd648c3fd2d235249f5fed07522aaebc348e423b"
dependencies = [
"byteorder",
- "libipld-core",
+ "libipld-core 0.16.0",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "libipld-core"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d44790246ec6b7314cba745992c23d479d018073e66d49ae40ae1b64e5dd8eb5"
+dependencies = [
+ "anyhow",
+ "cid 0.8.6",
+ "core2",
+ "multibase",
+ "multihash 0.16.3",
"thiserror 1.0.69",
]
@@ -5659,7 +5938,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5acd707e8d8b092e967b2af978ed84709eaded82b75effe6cb6f6cc797ef8158"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"core2",
"multibase",
"multihash 0.18.1",
@@ -5667,13 +5946,22 @@ dependencies = [
"thiserror 1.0.69",
]
+[[package]]
+name = "libipld-macro"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "852c011562ae5059b67c3a917f9f5945af5a68df8e39ede4444fff33274d25e2"
+dependencies = [
+ "libipld-core 0.14.0",
+]
+
[[package]]
name = "libipld-macro"
version = "0.16.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "71171c54214f866ae6722f3027f81dff0931e600e5a61e6b1b6a49ca0b5ed4ae"
dependencies = [
- "libipld-core",
+ "libipld-core 0.16.0",
]
[[package]]
@@ -5744,17 +6032,23 @@ dependencies = [
[[package]]
name = "libp2p-bitswap"
version = "0.25.1"
-source = "git+https://github.com/consensus-shipyard/libp2p-bitswap.git?branch=chore-upgrade-libipld#d5da20fd791ee700c9a6c9f32f3df0031598938d"
dependencies = [
+ "async-std",
"async-trait",
+ "env_logger 0.9.3",
"fnv",
"futures",
"lazy_static",
- "libipld",
+ "libipld 0.14.0",
+ "libipld 0.16.0",
"libp2p",
+ "multihash 0.16.3",
"prometheus",
+ "prost 0.9.0",
+ "prost-build",
"thiserror 1.0.69",
"tracing",
+ "tracing-subscriber",
"unsigned-varint 0.7.2",
]
@@ -5805,6 +6099,7 @@ version = "0.41.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d17cbcf7160ff35c3e8e560de4a068fe9d6cb777ea72840e48eb76ff9576c4b6"
dependencies = [
+ "async-std-resolver",
"async-trait",
"futures",
"hickory-resolver",
@@ -5884,6 +6179,7 @@ dependencies = [
"multihash 0.19.2",
"quick-protobuf",
"rand",
+ "ring 0.17.8",
"serde",
"sha2 0.10.8",
"thiserror 1.0.69",
@@ -5927,6 +6223,8 @@ version = "0.45.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49007d9a339b3e1d7eeebc4d67c05dbf23d300b7d091193ec2d3f26802d7faf2"
dependencies = [
+ "async-io 2.4.0",
+ "async-std",
"data-encoding",
"futures",
"hickory-proto",
@@ -5936,7 +6234,7 @@ dependencies = [
"libp2p-swarm",
"rand",
"smallvec",
- "socket2",
+ "socket2 0.5.7",
"tokio",
"tracing",
"void",
@@ -6046,6 +6344,7 @@ version = "0.10.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c67296ad4e092e23f92aea3d2bdb6f24eab79c0929ed816dfb460ea2f4567d2b"
dependencies = [
+ "async-std",
"bytes",
"futures",
"futures-timer",
@@ -6058,7 +6357,7 @@ dependencies = [
"rand",
"ring 0.17.8",
"rustls 0.23.16",
- "socket2",
+ "socket2 0.5.7",
"thiserror 1.0.69",
"tokio",
"tracing",
@@ -6090,6 +6389,7 @@ version = "0.44.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "80cae6cb75f89dbca53862f9ebe0b9f463aa7b302762fcfaafb9e51dcc9b0f7e"
dependencies = [
+ "async-std",
"either",
"fnv",
"futures",
@@ -6126,13 +6426,14 @@ version = "0.41.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8b2460fc2748919adff99ecbc1aab296e4579e41f374fb164149bd2c9e529d4c"
dependencies = [
+ "async-io 1.13.0",
"futures",
"futures-timer",
"if-watch",
"libc",
"libp2p-core",
"libp2p-identity",
- "socket2",
+ "socket2 0.5.7",
"tokio",
"tracing",
]
@@ -6278,6 +6579,12 @@ version = "0.5.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+[[package]]
+name = "linux-raw-sys"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
+
[[package]]
name = "linux-raw-sys"
version = "0.4.14"
@@ -6401,7 +6708,7 @@ version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2cffa4ad52c6f791f4f8b15f0c05f9824b2ced1160e88cc393d64fff9a8ac64"
dependencies = [
- "rustix",
+ "rustix 0.38.40",
]
[[package]]
@@ -6515,6 +6822,20 @@ dependencies = [
"data-encoding-macro",
]
+[[package]]
+name = "multihash"
+version = "0.16.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c346cf9999c631f002d8f977c4eaeaa0e6386f16007202308d0b3757522c2cc"
+dependencies = [
+ "blake3",
+ "core2",
+ "digest 0.10.7",
+ "multihash-derive",
+ "sha2 0.10.8",
+ "unsigned-varint 0.7.2",
+]
+
[[package]]
name = "multihash"
version = "0.18.1"
@@ -6561,6 +6882,12 @@ dependencies = [
"synstructure 0.12.6",
]
+[[package]]
+name = "multimap"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
+
[[package]]
name = "multistream-select"
version = "0.13.0"
@@ -6671,6 +6998,7 @@ version = "0.8.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "416060d346fbaf1f23f9512963e3e878f1a78e707cb699ba9215761754244307"
dependencies = [
+ "async-io 1.13.0",
"bytes",
"futures",
"libc",
@@ -7358,7 +7686,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "96c8c490f422ef9a4efd2cb5b42b76c8613d7e7dfc1caf667b8a3350a5acc066"
dependencies = [
"atomic-waker",
- "fastrand",
+ "fastrand 2.2.0",
"futures-io",
]
@@ -7388,6 +7716,22 @@ version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
+[[package]]
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+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b2d323e8ca7996b3e23126511a523f7e62924d93ecd5ae73b333815b0eb3dce"
+dependencies = [
+ "autocfg",
+ "bitflags 1.3.2",
+ "cfg-if",
+ "concurrent-queue",
+ "libc",
+ "log",
+ "pin-project-lite",
+ "windows-sys 0.48.0",
+]
+
[[package]]
name = "polling"
version = "3.7.4"
@@ -7398,7 +7742,7 @@ dependencies = [
"concurrent-queue",
"hermit-abi 0.4.0",
"pin-project-lite",
- "rustix",
+ "rustix 0.38.40",
"tracing",
"windows-sys 0.59.0",
]
@@ -7576,7 +7920,7 @@ dependencies = [
"hex",
"lazy_static",
"procfs-core",
- "rustix",
+ "rustix 0.38.40",
]
[[package]]
@@ -7659,6 +8003,16 @@ dependencies = [
"unarray",
]
+[[package]]
+name = "prost"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "444879275cb4fd84958b1a1d5420d15e6fcf7c235fe47f053c9c2a80aceb6001"
+dependencies = [
+ "bytes",
+ "prost-derive 0.9.0",
+]
+
[[package]]
name = "prost"
version = "0.11.9"
@@ -7666,7 +8020,40 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
dependencies = [
"bytes",
- "prost-derive",
+ "prost-derive 0.11.9",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62941722fb675d463659e49c4f3fe1fe792ff24fe5bbaa9c08cd3b98a1c354f5"
+dependencies = [
+ "bytes",
+ "heck 0.3.3",
+ "itertools 0.10.5",
+ "lazy_static",
+ "log",
+ "multimap",
+ "petgraph",
+ "prost 0.9.0",
+ "prost-types 0.9.0",
+ "regex",
+ "tempfile",
+ "which",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9cc1a3263e07e0bf68e96268f37665207b49560d98739662cdfaae215c720fe"
+dependencies = [
+ "anyhow",
+ "itertools 0.10.5",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
]
[[package]]
@@ -7682,13 +8069,23 @@ dependencies = [
"syn 1.0.109",
]
+[[package]]
+name = "prost-types"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "534b7a0e836e3c482d2693070f982e39e7611da9695d4d1f5a4b186b51faef0a"
+dependencies = [
+ "bytes",
+ "prost 0.9.0",
+]
+
[[package]]
name = "prost-types"
version = "0.11.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
dependencies = [
- "prost",
+ "prost 0.11.9",
]
[[package]]
@@ -7785,6 +8182,8 @@ version = "0.11.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "62e96808277ec6f97351a2380e6c25114bc9e67037775464979f3037c92d05ef"
dependencies = [
+ "async-io 2.4.0",
+ "async-std",
"bytes",
"futures-io",
"pin-project-lite",
@@ -7792,7 +8191,7 @@ dependencies = [
"quinn-udp",
"rustc-hash 2.0.0",
"rustls 0.23.16",
- "socket2",
+ "socket2 0.5.7",
"thiserror 2.0.3",
"tokio",
"tracing",
@@ -7827,7 +8226,7 @@ dependencies = [
"cfg_aliases",
"libc",
"once_cell",
- "socket2",
+ "socket2 0.5.7",
"tracing",
"windows-sys 0.59.0",
]
@@ -8184,6 +8583,7 @@ version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "322c53fd76a18698f1c27381d58091de3a043d356aa5bd0d510608b565f469a0"
dependencies = [
+ "async-global-executor",
"futures",
"log",
"netlink-packet-route",
@@ -8245,6 +8645,20 @@ dependencies = [
"nom",
]
+[[package]]
+name = "rustix"
+version = "0.37.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "519165d378b97752ca44bbe15047d5d3409e875f39327546b42ac81d7e18c1b6"
+dependencies = [
+ "bitflags 1.3.2",
+ "errno",
+ "io-lifetimes",
+ "libc",
+ "linux-raw-sys 0.3.8",
+ "windows-sys 0.48.0",
+]
+
[[package]]
name = "rustix"
version = "0.38.40"
@@ -8254,7 +8668,7 @@ dependencies = [
"bitflags 2.6.0",
"errno",
"libc",
- "linux-raw-sys",
+ "linux-raw-sys 0.4.14",
"windows-sys 0.52.0",
]
@@ -8616,7 +9030,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e880e0b1f9c7a8db874642c1217f7e19b29e325f24ab9f0fcb11818adec7f01"
dependencies = [
"cbor4ii",
- "cid",
+ "cid 0.10.1",
"scopeguard",
"serde",
]
@@ -8945,6 +9359,23 @@ dependencies = [
"serde",
]
+[[package]]
+name = "smol"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13f2b548cd8447f8de0fdf1c592929f70f4fc7039a05e47404b0d096ec6987a1"
+dependencies = [
+ "async-channel 1.9.0",
+ "async-executor",
+ "async-fs",
+ "async-io 1.13.0",
+ "async-lock 2.8.0",
+ "async-net",
+ "async-process 1.8.1",
+ "blocking",
+ "futures-lite 1.13.0",
+]
+
[[package]]
name = "snap"
version = "1.1.1"
@@ -8968,6 +9399,16 @@ dependencies = [
"subtle",
]
+[[package]]
+name = "socket2"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f7916fc008ca5542385b89a3d3ce689953c143e9304a9bf8beec1de48994c0d"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
[[package]]
name = "socket2"
version = "0.5.7"
@@ -9362,6 +9803,12 @@ version = "0.12.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
+[[package]]
+name = "target-triple"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42a4d50cdb458045afc8131fd91b64904da29548bcb63c7236e0844936c13078"
+
[[package]]
name = "tempfile"
version = "3.14.0"
@@ -9369,9 +9816,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "28cce251fcbc87fac86a866eeb0d6c2d536fc16d06f184bb61aeae11aa4cee0c"
dependencies = [
"cfg-if",
- "fastrand",
+ "fastrand 2.2.0",
"once_cell",
- "rustix",
+ "rustix 0.38.40",
"windows-sys 0.59.0",
]
@@ -9390,8 +9837,8 @@ dependencies = [
"k256 0.13.4",
"num-traits",
"once_cell",
- "prost",
- "prost-types",
+ "prost 0.11.9",
+ "prost-types 0.11.9",
"ripemd",
"serde",
"serde_bytes",
@@ -9420,8 +9867,8 @@ dependencies = [
"futures",
"num-traits",
"once_cell",
- "prost",
- "prost-types",
+ "prost 0.11.9",
+ "prost-types 0.11.9",
"serde",
"serde_bytes",
"serde_json",
@@ -9473,8 +9920,8 @@ dependencies = [
"flex-error",
"num-derive 0.3.3",
"num-traits",
- "prost",
- "prost-types",
+ "prost 0.11.9",
+ "prost-types 0.11.9",
"serde",
"serde_bytes",
"subtle-encoding",
@@ -9491,8 +9938,8 @@ dependencies = [
"flex-error",
"num-derive 0.3.3",
"num-traits",
- "prost",
- "prost-types",
+ "prost 0.11.9",
+ "prost-types 0.11.9",
"serde",
"serde_bytes",
"subtle-encoding",
@@ -9713,7 +10160,7 @@ dependencies = [
"parking_lot",
"pin-project-lite",
"signal-hook-registry",
- "socket2",
+ "socket2 0.5.7",
"tokio-macros",
"windows-sys 0.52.0",
]
@@ -9937,7 +10384,7 @@ dependencies = [
"bytes",
"futures",
"pin-project",
- "prost",
+ "prost 0.11.9",
"tendermint 0.31.1",
"tendermint-proto 0.31.1",
"tokio",
@@ -10091,6 +10538,21 @@ version = "0.2.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+[[package]]
+name = "trybuild"
+version = "1.0.101"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dcd332a5496c026f1e14b7f3d2b7bd98e509660c04239c58b0ba38a12daded4"
+dependencies = [
+ "glob",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "target-triple",
+ "termcolor",
+ "toml 0.8.19",
+]
+
[[package]]
name = "tungstenite"
version = "0.18.0"
@@ -10330,7 +10792,7 @@ version = "1.0.0"
source = "git+https://github.com/filecoin-project/builtin-actors?tag=v15.0.0#831bf1b9fe281835409c39a8c454a68dd3200bbc"
dependencies = [
"anyhow",
- "cid",
+ "cid 0.10.1",
"fvm_ipld_blockstore",
"fvm_ipld_encoding",
"fvm_ipld_hamt",
@@ -10348,6 +10810,12 @@ version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+[[package]]
+name = "waker-fn"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "317211a0dc0ceedd78fb2ca9a44aed3d7b9b26f81870d485c07122b4350673b7"
+
[[package]]
name = "walkdir"
version = "2.5.0"
@@ -10538,7 +11006,7 @@ dependencies = [
"postcard",
"psm",
"rayon",
- "rustix",
+ "rustix 0.38.40",
"serde",
"serde_derive",
"smallvec",
@@ -10743,6 +11211,18 @@ version = "0.25.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5f20c57d8d7db6d3b86154206ae5d8fba62dd39573114de97c2cb0578251f8e1"
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix 0.38.40",
+]
+
[[package]]
name = "widestring"
version = "1.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index 30c5cc7d1..4232eb781 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,9 @@ members = [
# merkle
"ext/merkle-tree-rs",
+ "ext/gcra-rs",
+ "ext/libp2p-bitswap",
+ "ext/frc42_dispatch",
# ipc
"ipc/cli",
@@ -81,7 +84,6 @@ fnv = "1.0"
futures = "0.3"
futures-core = "0.3"
futures-util = "0.3"
-gcra = "0.4"
hex = "0.4"
hex-literal = "0.4.1"
http = "0.2.12"
@@ -113,8 +115,7 @@ libp2p = { version = "0.53", default-features = false, features = [
"plaintext",
] }
libp2p-mplex = { version = "0.41" }
-# libp2p-bitswap = "0.25.1"
-libp2p-bitswap = { git = "https://github.com/consensus-shipyard/libp2p-bitswap.git", branch = "chore-upgrade-libipld" } # Updated to libipld 0.16
+libp2p-bitswap = { path = "ext/libp2p-bitswap" }
libsecp256k1 = "0.7"
literally = "0.1.3"
log = "0.4"
@@ -230,7 +231,7 @@ cid = { version = "0.10.1", default-features = false, features = [
"std",
] }
-frc42_dispatch = { git = "https://github.com/filecoin-project/actors-utils", rev = "0f8365151f44785f7bead4e5500258fd5c8944e6" }
+frc42_dispatch = { path = "./ext/frc42_dispatch" }
# Using the same tendermint-rs dependency as tower-abci. From both we are interested in v037 modules.
tower-abci = { version = "0.7" }
@@ -244,10 +245,6 @@ tendermint-rpc = { version = "0.31", features = [
] }
tendermint-proto = { version = "0.31" }
-[patch.crates-io]
-# Use stable-only features.
-gcra = { git = "https://github.com/consensus-shipyard/gcra-rs.git", branch = "main" }
-
[profile.wasm]
inherits = "release"
panic = "abort"
diff --git a/ext/frc42_dispatch/Cargo.toml b/ext/frc42_dispatch/Cargo.toml
new file mode 100644
index 000000000..1e7d391e0
--- /dev/null
+++ b/ext/frc42_dispatch/Cargo.toml
@@ -0,0 +1,22 @@
+[package]
+name = "frc42_dispatch"
+description = "Filecoin FRC-0042 calling convention/dispatch support library"
+version = "7.0.0"
+license = "MIT OR Apache-2.0"
+keywords = ["filecoin", "dispatch", "frc-0042"]
+repository = "https://github.com/helix-onchain/filecoin/"
+edition = "2021"
+
+
+[dependencies]
+fvm_ipld_encoding = { workspace = true }
+fvm_sdk = { workspace = true, optional = true }
+fvm_shared = { workspace = true }
+frc42_hasher = { version = "5.0.0", path = "hasher" }
+frc42_macros = { version = "5.0.0", path = "macros" }
+thiserror = { version = "1.0.31" }
+
+[features]
+# disable default features to avoid dependence on fvm_sdk (for proc macro and similar purposes)
+default = ["use_sdk"]
+use_sdk = ["dep:fvm_sdk"]
diff --git a/ext/frc42_dispatch/README.md b/ext/frc42_dispatch/README.md
new file mode 100644
index 000000000..b8ef38f84
--- /dev/null
+++ b/ext/frc42_dispatch/README.md
@@ -0,0 +1,5 @@
+# frc42_dispatch
+
+Helper library to work with [FRC-0042](https://github.com/filecoin-project/FIPs/blob/master/FRCs/frc-0042.md) method hashing
+
+There's an example of it in use [here](https://github.com/helix-onchain/filecoin/tree/main/dispatch_examples/greeter)
\ No newline at end of file
diff --git a/ext/frc42_dispatch/generate_hashes.py b/ext/frc42_dispatch/generate_hashes.py
new file mode 100644
index 000000000..77b94af98
--- /dev/null
+++ b/ext/frc42_dispatch/generate_hashes.py
@@ -0,0 +1,27 @@
+from hashlib import blake2b
+
+# See https://github.com/filecoin-project/FIPs/blob/master/FRCs/frc-0042.md#method-number-computation
+def method_number(name):
+ name = '1|' + name
+ hash = blake2b(name.encode('ascii'), digest_size=64)
+ #print('digest: ' + hash.hexdigest())
+ #print(f'{len(hash.digest())} bytes long')
+
+ digest = hash.digest()
+ while digest:
+ chunk = digest[:4]
+ num = int.from_bytes(chunk, byteorder='big')
+ if num >= 1<<24:
+ return num
+ digest = digest[4:]
+ raise Exception("Method ID could not be determined, please change it")
+
+
+# these are all the method names used in the example token actor
+methods = ['Name', 'Symbol', 'TotalSupply', 'BalanceOf', 'Allowance', 'IncreaseAllowance',
+ 'DecreaseAllowance', 'RevokeAllowance', 'Burn', 'TransferFrom', 'Transfer', 'Mint']
+for method in methods:
+ num = method_number(method)
+ #print(f'{num:08x}\t{method}')
+ # print out Rust code for use in a test
+ print(f'assert_eq!(method_hash!("{method}"), 0x{num:08x});')
\ No newline at end of file
diff --git a/ext/frc42_dispatch/hasher/Cargo.toml b/ext/frc42_dispatch/hasher/Cargo.toml
new file mode 100644
index 000000000..4b1bd0372
--- /dev/null
+++ b/ext/frc42_dispatch/hasher/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "frc42_hasher"
+version = "5.0.0"
+license = "MIT OR Apache-2.0"
+description = "Filecoin FRC-0042 calling convention method hashing"
+repository = "https://github.com/helix-onchain/filecoin/"
+edition = "2021"
+
+[dependencies]
+fvm_sdk = { workspace = true, optional = true }
+fvm_shared = { workspace = true, optional = true }
+thiserror = { version = "1.0.31" }
+
+[features]
+# The fvm dependencies are optional. Useful for proc macro and similar purposes.
+default = ["use_sdk"]
+use_sdk = ["dep:fvm_sdk", "dep:fvm_shared"]
diff --git a/ext/frc42_dispatch/hasher/src/hash.rs b/ext/frc42_dispatch/hasher/src/hash.rs
new file mode 100644
index 000000000..f40e980fb
--- /dev/null
+++ b/ext/frc42_dispatch/hasher/src/hash.rs
@@ -0,0 +1,230 @@
+use thiserror::Error;
+
+/// Minimal interface for a hashing function.
+///
+/// [`Hasher::hash()`] must return a digest that is at least 4 bytes long so that it can be cast to
+/// a [`u32`].
+pub trait Hasher {
+ /// For an input of bytes return a digest that is at least 4 bytes long.
+ fn hash(&self, bytes: &[u8]) -> Vec<u8>;
+}
+
+/// Hasher that uses the blake2b hash syscall provided by the FVM.
+#[cfg(feature = "use_sdk")]
+#[derive(Default)]
+pub struct Blake2bSyscall {}
+
+#[cfg(feature = "use_sdk")]
+impl Hasher for Blake2bSyscall {
+ // fvm_sdk dependence can be removed by setting default-features to false
+ fn hash(&self, bytes: &[u8]) -> Vec<u8> {
+ use fvm_shared::crypto::hash::SupportedHashes;
+ fvm_sdk::crypto::hash_owned(SupportedHashes::Blake2b512, bytes)
+ }
+}
+
+/// Uses an underlying hashing function (blake2b by convention) to generate method numbers from
+/// method names.
+#[derive(Default)]
+pub struct MethodResolver<T: Hasher> {
+ hasher: T,
+}
+
+#[derive(Error, PartialEq, Eq, Debug)]
+pub enum MethodNameErr {
+ #[error("empty method name provided")]
+ EmptyString,
+ #[error("method name does not conform to the FRC-0042 convention {0}")]
+ IllegalName(#[from] IllegalNameErr),
+ #[error("unable to calculate method id, choose a another method name")]
+ IndeterminableId,
+}
+
+#[derive(Error, PartialEq, Eq, Debug)]
+pub enum IllegalNameErr {
+ #[error("method name doesn't start with capital letter or _")]
+ NotValidStart,
+ #[error("method name contains letters outside [a-zA-Z0-9_]")]
+ IllegalCharacters,
+}
+
+impl<T: Hasher> MethodResolver<T> {
+ const CONSTRUCTOR_METHOD_NAME: &'static str = "Constructor";
+ const CONSTRUCTOR_METHOD_NUMBER: u64 = 1_u64;
+ const FIRST_METHOD_NUMBER: u64 = 1 << 24;
+ const DIGEST_CHUNK_LENGTH: usize = 4;
+
+ /// Creates a [`MethodResolver`] with an instance of a hasher (blake2b by convention).
+ pub fn new(hasher: T) -> Self {
+ Self { hasher }
+ }
+
+ /// Generates a standard FRC-0042 compliant method number.
+ ///
+ /// The method number is calculated as the first four bytes of `hash(method-name)`.
+ /// The name `Constructor` is always hashed to 1 and other method names that hash to
+ /// 0 or 1 are avoided via rejection sampling.
+ pub fn method_number(&self, method_name: &str) -> Result<u64, MethodNameErr> {
+ check_method_name(method_name)?;
+
+ if method_name == Self::CONSTRUCTOR_METHOD_NAME {
+ return Ok(Self::CONSTRUCTOR_METHOD_NUMBER);
+ }
+
+ let method_name = format!("1|{method_name}");
+ let digest = self.hasher.hash(method_name.as_bytes());
+
+ for chunk in digest.chunks(Self::DIGEST_CHUNK_LENGTH) {
+ if chunk.len() < Self::DIGEST_CHUNK_LENGTH {
+ // last chunk may be smaller than 4 bytes
+ break;
+ }
+
+ let method_id = as_u32(chunk) as u64;
+ // Method numbers below FIRST_METHOD_NUMBER are reserved for other use
+ if method_id >= Self::FIRST_METHOD_NUMBER {
+ return Ok(method_id);
+ }
+ }
+
+ Err(MethodNameErr::IndeterminableId)
+ }
+}
+
+/// Checks that a method name is valid and compliant with the FRC-0042 standard recommendations.
+///
+/// - Only ASCII characters in `[a-zA-Z0-9_]` are allowed.
+/// - Starts with a character in `[A-Z_]`.
+fn check_method_name(method_name: &str) -> Result<(), MethodNameErr> {
+ if method_name.is_empty() {
+ return Err(MethodNameErr::EmptyString);
+ }
+
+ // Check starts with capital letter
+ let first_letter = method_name.chars().next().unwrap(); // safe because we checked for empty string
+ if !(first_letter.is_ascii_uppercase() || first_letter == '_') {
+ return Err(IllegalNameErr::NotValidStart.into());
+ }
+
+ // Check that all characters are legal
+ if !method_name
+ .chars()
+ .all(|c| c.is_ascii_alphanumeric() || c == '_')
+ {
+ return Err(IllegalNameErr::IllegalCharacters.into());
+ }
+
+ Ok(())
+}
+
+/// Takes a byte array and interprets it as a u32 number.
+///
+/// Using big-endian order interperets the first four bytes to an int.
+///
+/// The slice passed to this must be at least length 4.
+fn as_u32(bytes: &[u8]) -> u32 {
+ u32::from_be_bytes(
+ bytes[0..4]
+ .try_into()
+ .expect("bytes was not at least length 4"),
+ )
+}
+
+#[cfg(test)]
+mod tests {
+
+ use super::{Hasher, IllegalNameErr, MethodNameErr, MethodResolver};
+
+ #[derive(Clone, Copy)]
+ struct FakeHasher {}
+ impl Hasher for FakeHasher {
+ fn hash(&self, bytes: &[u8]) -> Vec<u8> {
+ bytes.to_vec()
+ }
+ }
+
+ #[test]
+ fn constructor_is_1() {
+ let method_hasher = MethodResolver::new(FakeHasher {});
+ assert_eq!(method_hasher.method_number("Constructor").unwrap(), 1);
+ }
+
+ #[test]
+ fn normal_method_is_hashed() {
+ let fake_hasher = FakeHasher {};
+ let method_hasher = MethodResolver::new(fake_hasher);
+ // note that the method hashing prepends each name with "1|" as a domain separator
+ assert_eq!(
+ method_hasher.method_number("NormalMethod").unwrap(),
+ super::as_u32(&fake_hasher.hash(b"1|NormalMethod")) as u64
+ );
+
+ assert_eq!(
+ method_hasher.method_number("NormalMethod2").unwrap(),
+ super::as_u32(&fake_hasher.hash(b"1|NormalMethod2")) as u64
+ );
+ }
+
+ #[test]
+ fn disallows_invalid_method_names() {
+ let method_hasher = MethodResolver::new(FakeHasher {});
+ assert_eq!(
+ method_hasher.method_number("Invalid|Method").unwrap_err(),
+ MethodNameErr::IllegalName(IllegalNameErr::IllegalCharacters)
+ );
+ assert_eq!(
+ method_hasher.method_number("").unwrap_err(),
+ MethodNameErr::EmptyString
+ );
+ assert_eq!(
+ method_hasher.method_number("invalidMethod").unwrap_err(),
+ MethodNameErr::IllegalName(IllegalNameErr::NotValidStart)
+ );
+ }
+
+ /// Fake hasher that always returns a digest beginning with b"\0\0\0\0".
+ #[derive(Clone, Copy)]
+ struct FakeHasher0 {}
+ impl Hasher for FakeHasher0 {
+ fn hash(&self, bytes: &[u8]) -> Vec<u8> {
+ let mut hash: Vec<u8> = vec![0, 0, 0, 0];
+ let mut suffix = bytes.to_vec();
+ hash.append(suffix.as_mut());
+ hash
+ }
+ }
+
+ /// Fake hasher that always returns a digest beginning with b"\0\0\0\1".
+ #[derive(Clone, Copy)]
+ struct FakeHasher1 {}
+ impl Hasher for FakeHasher1 {
+ fn hash(&self, bytes: &[u8]) -> Vec<u8> {
+ let mut hash: Vec<u8> = vec![0, 0, 0, 1];
+ let mut suffix = bytes.to_vec();
+ hash.append(suffix.as_mut());
+ hash
+ }
+ }
+
+ #[test]
+ fn avoids_disallowed_method_numbers() {
+ let hasher_0 = FakeHasher0 {};
+ let method_hasher_0 = MethodResolver::new(hasher_0);
+
+ // This simulates a method name that would hash to 0
+ let contrived_0 = "MethodName";
+ let contrived_0_digest = hasher_0.hash(contrived_0.as_bytes());
+ assert_eq!(super::as_u32(&contrived_0_digest), 0);
+ // But the method number is not a collision
+ assert_ne!(method_hasher_0.method_number(contrived_0).unwrap(), 0);
+
+ let hasher_1 = FakeHasher1 {};
+ let method_hasher_1 = MethodResolver::new(hasher_1);
+ // This simulates a method name that would hash to 1
+ let contrived_1 = "MethodName";
+ let contrived_1_digest = hasher_1.hash(contrived_1.as_bytes());
+ assert_eq!(super::as_u32(&contrived_1_digest), 1);
+ // But the method number is not a collision
+ assert_ne!(method_hasher_1.method_number(contrived_1).unwrap(), 1);
+ }
+}
diff --git a/ext/frc42_dispatch/hasher/src/lib.rs b/ext/frc42_dispatch/hasher/src/lib.rs
new file mode 100644
index 000000000..ec5d33c10
--- /dev/null
+++ b/ext/frc42_dispatch/hasher/src/lib.rs
@@ -0,0 +1 @@
+pub mod hash;
diff --git a/ext/frc42_dispatch/macros/Cargo.toml b/ext/frc42_dispatch/macros/Cargo.toml
new file mode 100644
index 000000000..9a056184b
--- /dev/null
+++ b/ext/frc42_dispatch/macros/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "frc42_macros"
+version = "5.0.0"
+license = "MIT OR Apache-2.0"
+description = "Filecoin FRC-0042 calling convention procedural macros"
+repository = "https://github.com/helix-onchain/filecoin/"
+edition = "2021"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+blake2b_simd = { version = "1.0.0" }
+frc42_hasher = { version = "5.0.0", path = "../hasher", default-features = false }
+proc-macro2 = "1.0"
+quote = "1.0"
+syn = { version = "1.0", features = ["full"] }
+
+[dev-dependencies]
+trybuild = "1.0"
diff --git a/ext/frc42_dispatch/macros/example/Cargo.toml b/ext/frc42_dispatch/macros/example/Cargo.toml
new file mode 100644
index 000000000..d3ffbb713
--- /dev/null
+++ b/ext/frc42_dispatch/macros/example/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "example"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+frc42_macros = { version = "5.0.0", path = ".." }
diff --git a/ext/frc42_dispatch/macros/example/src/main.rs b/ext/frc42_dispatch/macros/example/src/main.rs
new file mode 100644
index 000000000..7f3ed17e9
--- /dev/null
+++ b/ext/frc42_dispatch/macros/example/src/main.rs
@@ -0,0 +1,9 @@
+use frc42_macros::method_hash;
+
+fn main() {
+ let str_hash = method_hash!("Method");
+ println!("String hash: {str_hash:x}");
+
+ // this one breaks naming rules and will fail to compile
+ //println!("error hash: {}", method_hash!("some_function"));
+}
diff --git a/ext/frc42_dispatch/macros/src/hash.rs b/ext/frc42_dispatch/macros/src/hash.rs
new file mode 100644
index 000000000..118201e84
--- /dev/null
+++ b/ext/frc42_dispatch/macros/src/hash.rs
@@ -0,0 +1,9 @@
+use blake2b_simd::blake2b;
+use frc42_hasher::hash::Hasher;
+
+pub struct Blake2bHasher {}
+impl Hasher for Blake2bHasher {
+ fn hash(&self, bytes: &[u8]) -> Vec<u8> {
+ blake2b(bytes).as_bytes().to_vec()
+ }
+}
diff --git a/ext/frc42_dispatch/macros/src/lib.rs b/ext/frc42_dispatch/macros/src/lib.rs
new file mode 100644
index 000000000..40c3eb1b2
--- /dev/null
+++ b/ext/frc42_dispatch/macros/src/lib.rs
@@ -0,0 +1,62 @@
+use frc42_hasher::hash::MethodResolver;
+use proc_macro::TokenStream;
+use quote::quote;
+use syn::parse::{Parse, ParseStream};
+use syn::{parse_macro_input, LitStr, Result};
+
+mod hash;
+use crate::hash::Blake2bHasher;
+
+struct MethodName(LitStr);
+
+impl MethodName {
+ /// Hash the method name.
+ fn hash(&self) -> u64 {
+ let resolver = MethodResolver::new(Blake2bHasher {});
+ resolver.method_number(&self.0.value()).unwrap()
+ }
+}
+
+impl Parse for MethodName {
+ fn parse(input: ParseStream) -> Result<Self> {
+ let lookahead = input.lookahead1();
+
+ if lookahead.peek(LitStr) {
+ input.parse().map(MethodName)
+ } else {
+ Err(lookahead.error())
+ }
+ }
+}
+
+#[proc_macro]
+pub fn method_hash(input: TokenStream) -> TokenStream {
+ let name: MethodName = parse_macro_input!(input);
+ let hash = name.hash();
+ quote!(#hash).into()
+}
+
+#[cfg(test)]
+mod tests {
+ #[test]
+ fn it_works() {
+ let t = trybuild::TestCases::new();
+ t.pass("tests/build-success.rs");
+ }
+
+ #[test]
+ fn empty_names() {
+ let t = trybuild::TestCases::new();
+ // NOTE: these need to live in a separate directory under `tests`
+ // otherwise cargo tries to build them every time and everything breaks
+ t.compile_fail("tests/naming/empty-name-string.rs");
+ t.compile_fail("tests/naming/missing-name.rs");
+ }
+
+ #[test]
+ fn bad_names() {
+ let t = trybuild::TestCases::new();
+ t.compile_fail("tests/naming/illegal-chars.rs");
+ t.compile_fail("tests/naming/non-capital-start.rs");
+ }
+}
diff --git a/ext/frc42_dispatch/macros/tests/build-success.rs b/ext/frc42_dispatch/macros/tests/build-success.rs
new file mode 100644
index 000000000..4c180543e
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/build-success.rs
@@ -0,0 +1,21 @@
+use frc42_macros::method_hash;
+
+fn main() {
+ assert_eq!(method_hash!("Method"), 0xa20642fc);
+ assert_eq!(method_hash!("_Method"), 0xeb9575aa);
+
+ // method names from the example token actor
+ // numbers are hashed by the python script included in the main dispatch crate
+ assert_eq!(method_hash!("Name"), 0x02ea015c);
+ assert_eq!(method_hash!("Symbol"), 0x7adab63e);
+ assert_eq!(method_hash!("TotalSupply"), 0x06da7a35);
+ assert_eq!(method_hash!("BalanceOf"), 0x8710e1ac);
+ assert_eq!(method_hash!("Allowance"), 0xfaa45236);
+ assert_eq!(method_hash!("IncreaseAllowance"), 0x69ecb918);
+ assert_eq!(method_hash!("DecreaseAllowance"), 0x5b286f21);
+ assert_eq!(method_hash!("RevokeAllowance"), 0xa4d840b1);
+ assert_eq!(method_hash!("Burn"), 0x5584159a);
+ assert_eq!(method_hash!("TransferFrom"), 0xd7d4deed);
+ assert_eq!(method_hash!("Transfer"), 0x04cbf732);
+ assert_eq!(method_hash!("Mint"), 0x06f84ab2);
+}
diff --git a/ext/frc42_dispatch/macros/tests/naming/empty-name-string.rs b/ext/frc42_dispatch/macros/tests/naming/empty-name-string.rs
new file mode 100644
index 000000000..33d56a4a0
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/naming/empty-name-string.rs
@@ -0,0 +1,6 @@
+use frc42_macros::method_hash;
+
+fn main() {
+ // this should panic due to empty string
+ let _str_hash = method_hash!("");
+}
diff --git a/ext/frc42_dispatch/macros/tests/naming/empty-name-string.stderr b/ext/frc42_dispatch/macros/tests/naming/empty-name-string.stderr
new file mode 100644
index 000000000..64a1c1ec5
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/naming/empty-name-string.stderr
@@ -0,0 +1,7 @@
+error: proc macro panicked
+ --> tests/naming/empty-name-string.rs:5:18
+ |
+5 | let _str_hash = method_hash!("");
+ | ^^^^^^^^^^^^^^^^
+ |
+ = help: message: called `Result::unwrap()` on an `Err` value: EmptyString
diff --git a/ext/frc42_dispatch/macros/tests/naming/illegal-chars.rs b/ext/frc42_dispatch/macros/tests/naming/illegal-chars.rs
new file mode 100644
index 000000000..6c0558793
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/naming/illegal-chars.rs
@@ -0,0 +1,6 @@
+use frc42_macros::method_hash;
+
+fn main() {
+ // should panic because the name contains illegal chars
+ let _str_hash = method_hash!("Bad!Method!Name!");
+}
diff --git a/ext/frc42_dispatch/macros/tests/naming/illegal-chars.stderr b/ext/frc42_dispatch/macros/tests/naming/illegal-chars.stderr
new file mode 100644
index 000000000..766c459b2
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/naming/illegal-chars.stderr
@@ -0,0 +1,7 @@
+error: proc macro panicked
+ --> tests/naming/illegal-chars.rs:5:18
+ |
+5 | let _str_hash = method_hash!("Bad!Method!Name!");
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = help: message: called `Result::unwrap()` on an `Err` value: IllegalName(IllegalCharacters)
diff --git a/ext/frc42_dispatch/macros/tests/naming/missing-name.rs b/ext/frc42_dispatch/macros/tests/naming/missing-name.rs
new file mode 100644
index 000000000..dfc3da6e2
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/naming/missing-name.rs
@@ -0,0 +1,6 @@
+use frc42_macros::method_hash;
+
+fn main() {
+ // should panic because no string or identifier provided
+ let _ident_hash = method_hash!();
+}
diff --git a/ext/frc42_dispatch/macros/tests/naming/missing-name.stderr b/ext/frc42_dispatch/macros/tests/naming/missing-name.stderr
new file mode 100644
index 000000000..348376580
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/naming/missing-name.stderr
@@ -0,0 +1,7 @@
+error: unexpected end of input, expected string literal
+ --> tests/naming/missing-name.rs:5:23
+ |
+5 | let _ident_hash = method_hash!();
+ | ^^^^^^^^^^^^^^
+ |
+ = note: this error originates in the macro `method_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/ext/frc42_dispatch/macros/tests/naming/non-capital-start.rs b/ext/frc42_dispatch/macros/tests/naming/non-capital-start.rs
new file mode 100644
index 000000000..8ea57d182
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/naming/non-capital-start.rs
@@ -0,0 +1,6 @@
+use frc42_macros::method_hash;
+
+fn main() {
+ // should panic because the name starts with non-capital letter
+ let _str_hash = method_hash!("noPlaceForCamelCase");
+}
diff --git a/ext/frc42_dispatch/macros/tests/naming/non-capital-start.stderr b/ext/frc42_dispatch/macros/tests/naming/non-capital-start.stderr
new file mode 100644
index 000000000..30ead070d
--- /dev/null
+++ b/ext/frc42_dispatch/macros/tests/naming/non-capital-start.stderr
@@ -0,0 +1,7 @@
+error: proc macro panicked
+ --> tests/naming/non-capital-start.rs:5:18
+ |
+5 | let _str_hash = method_hash!("noPlaceForCamelCase");
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = help: message: called `Result::unwrap()` on an `Err` value: IllegalName(NotValidStart)
diff --git a/ext/frc42_dispatch/src/lib.rs b/ext/frc42_dispatch/src/lib.rs
new file mode 100644
index 000000000..ad64c36db
--- /dev/null
+++ b/ext/frc42_dispatch/src/lib.rs
@@ -0,0 +1,9 @@
+pub use frc42_hasher as hasher;
+pub use frc42_hasher::hash;
+pub use frc42_macros::method_hash;
+
+pub mod match_method;
+pub mod message;
+
+#[cfg(test)]
+mod tests {}
diff --git a/ext/frc42_dispatch/src/match_method.rs b/ext/frc42_dispatch/src/match_method.rs
new file mode 100644
index 000000000..5406d3818
--- /dev/null
+++ b/ext/frc42_dispatch/src/match_method.rs
@@ -0,0 +1,111 @@
+#[macro_export]
+macro_rules! match_method {
+ ($method:expr, {$($body:tt)*}) => {
+ match_method!{@match $method, {}, $($body)*}
+ };
+ (@match $method:expr, {$($body:tt)*}, $(,)*) => {
+ match $method {
+ $($body)*
+ }
+ };
+ // matches block with comma
+ (@match $method:expr, {$($body:tt)*}, $p:literal => $e:expr, $($tail:tt)*) => {
+ match_method! {
+ @match
+ $method,
+ {
+ $($body)*
+ $crate::method_hash!($p) => $e,
+ },
+ $($tail)*
+ }
+ };
+ // matches block without comma
+ (@match $method:expr, {$($body:tt)*}, $p:literal => $e:block $($tail:tt)*) => {
+ match_method! {
+ @match
+ $method,
+ {
+ $($body)*
+ $crate::method_hash!($p) => $e,
+ },
+ $($tail)*
+ }
+ };
+ // matches _ with a trailing comma
+ (@match $method:expr, {$($body:tt)*}, _ => $e:expr, $($tail:tt)*) => {
+ match_method! {
+ @match
+ $method,
+ {
+ $($body)*
+ _ => $e,
+ },
+ $($tail)*
+ }
+ };
+ // matches _ without a trailing comma (common if it's the last item)
+ (@match $method:expr, {$($body:tt)*}, _ => $e:expr) => {
+ match_method! {
+ @match
+ $method,
+ {
+ $($body)*
+ _ => $e,
+ },
+ }
+ };
+}
+
+#[cfg(test)]
+mod tests {
+ #[test]
+ fn handle_constructor() {
+ let method_num = 1u64; // constructor should always hash to 1
+ let ret = match_method!(method_num, {
+ "Constructor" => Some(1),
+ _ => None,
+ });
+
+ assert_eq!(ret, Some(1));
+ }
+
+ #[test]
+ fn handle_unknown_method() {
+ let method_num = 12345u64; // not a method we know about
+ let ret = match_method!(method_num, {
+ "Constructor" => Some(1),
+ _ => None,
+ });
+
+ assert_eq!(ret, None);
+ }
+
+ #[test]
+ fn handle_user_method() {
+ let method_num = crate::method_hash!("TokensReceived");
+ let ret = match_method!(method_num, {
+ "Constructor" => Some(1),
+ "TokensReceived" => Some(2),
+ _ => None,
+ });
+
+ assert_eq!(ret, Some(2));
+ }
+
+ #[test]
+ fn handle_optional_commas() {
+ let method_num = crate::method_hash!("TokensReceived");
+ let ret = match_method!(method_num, {
+ "Constructor" => Some(1),
+ "TokensReceived" => {
+ Some(2)
+ }
+ _ => {
+ None
+ }
+ });
+
+ assert_eq!(ret, Some(2));
+ }
+}
diff --git a/ext/frc42_dispatch/src/message.rs b/ext/frc42_dispatch/src/message.rs
new file mode 100644
index 000000000..fe274e191
--- /dev/null
+++ b/ext/frc42_dispatch/src/message.rs
@@ -0,0 +1,65 @@
+use fvm_ipld_encoding::ipld_block::IpldBlock;
+#[cfg(feature = "use_sdk")]
+use fvm_sdk::send;
+use fvm_shared::{address::Address, econ::TokenAmount, error::ErrorNumber, Response};
+use thiserror::Error;
+
+use crate::hash::{Hasher, MethodNameErr, MethodResolver};
+
+/// Utility to invoke standard methods on deployed actors.
+#[derive(Default)]
+pub struct MethodMessenger<T: Hasher> {
+ method_resolver: MethodResolver<T>,
+}
+
+#[derive(Error, PartialEq, Eq, Debug)]
+pub enum MethodMessengerError {
+ #[error("error when calculating method name: `{0}`")]
+ MethodName(#[from] MethodNameErr),
+ #[error("error sending message: `{0}`")]
+ Syscall(#[from] ErrorNumber),
+}
+
+impl<T: Hasher> MethodMessenger<T> {
+ /// Creates a new method messenger using a specified hashing function (blake2b by default).
+ pub fn new(hasher: T) -> Self {
+ Self {
+ method_resolver: MethodResolver::new(hasher),
+ }
+ }
+
+ /// Calls a method (by name) on a specified actor by constructing and publishing the underlying
+ /// on-chain message.
+ #[cfg(feature = "use_sdk")]
+ pub fn call_method(
+ &self,
+ to: &Address,
+ method: &str,
+ params: Option<IpldBlock>,
+ value: TokenAmount,
+ ) -> Result<Response, MethodMessengerError> {
+ let method = self.method_resolver.method_number(method)?;
+ send::send(
+ to,
+ method,
+ params,
+ value,
+ None,
+ fvm_shared::sys::SendFlags::empty(),
+ )
+ .map_err(MethodMessengerError::from)
+ }
+
+ #[cfg(not(feature = "use_sdk"))]
+ #[allow(unused_variables)]
+ pub fn call_method(
+ &self,
+ to: &Address,
+ method: &str,
+ params: Option<IpldBlock>,
+ value: TokenAmount,
+ ) -> Result<Response, MethodMessengerError> {
+ let _method = self.method_resolver.method_number(method)?;
+ unimplemented!()
+ }
+}
diff --git a/ext/gcra-rs/.gitignore b/ext/gcra-rs/.gitignore
new file mode 100644
index 000000000..ea8c4bf7f
--- /dev/null
+++ b/ext/gcra-rs/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/ext/gcra-rs/Cargo.lock b/ext/gcra-rs/Cargo.lock
new file mode 100644
index 000000000..802afe887
--- /dev/null
+++ b/ext/gcra-rs/Cargo.lock
@@ -0,0 +1,638 @@
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+# It is not intended for manual editing.
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+
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diff --git a/ext/gcra-rs/Cargo.toml b/ext/gcra-rs/Cargo.toml
new file mode 100644
index 000000000..1f2c71a14
--- /dev/null
+++ b/ext/gcra-rs/Cargo.toml
@@ -0,0 +1,28 @@
+[package]
+name = "gcra"
+version = "0.4.0"
+edition = "2021"
+authors = ["Sam Shih <lytefast@github.com>"]
+license = "MIT"
+readme = "README.md"
+repository = "https://github.com/lytefast/gcra-rs"
+homepage = "https://github.com/lytefast/gcra-rs"
+description = "A basic implementation of GCRA algorithm for rate limiting"
+keywords = ["rate-limit", "rate", "limit", "gcra"]
+
+[features]
+default = ["rate-limiter"]
+rate-limiter = ["dashmap", "rustc-hash"]
+
+[dependencies]
+dashmap = { version = "5.4.0", optional = true }
+rustc-hash = { version = "1.1.0", optional = true }
+thiserror = "1.0.39"
+
+[dev-dependencies]
+chrono = "0.4.23"
+tokio = { version = "1.26.0", features = ["full"] }
+
+[[example]]
+name = "rate_limiter"
+required-features = ["rate-limiter"]
diff --git a/ext/gcra-rs/LICENSE.md b/ext/gcra-rs/LICENSE.md
new file mode 100644
index 000000000..9f5fe052e
--- /dev/null
+++ b/ext/gcra-rs/LICENSE.md
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Sam Shih
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/ext/gcra-rs/README.md b/ext/gcra-rs/README.md
new file mode 100644
index 000000000..6105c7c97
--- /dev/null
+++ b/ext/gcra-rs/README.md
@@ -0,0 +1,55 @@
+[](https://travis-ci.com/lytefast/gcra)
+[](LICENSE)
+[](https://docs.rs/gcra/)
+[](https://crates.io/crates/gcra)
+
+# GCRA: A basic implementation
+
+Library which implements the core
+[GCRA](https://en.wikipedia.org/wiki/Generic_cell_rate_algorithm) functionality in rust.
+
+## Features
+
+- `rate-limiter` a LRU + expiring rate limiter. Implements `Send + Sync` so can be used asynchronously.
+
+## Usage
+
+```rust
+use gcra::{GcraState, RateLimit};
+
+fn check_rate_limit() {
+ const LIMIT: u32 = 1;
+ // Create a rate limit that allows `1/1s`
+ let rate_limit = RateLimit::per_sec(LIMIT);
+
+ let mut user_state = GcraState::default();
+ assert!(user_state.check_and_modify(&rate_limit, 1).is_ok());
+ assert!(
+ user_state.check_and_modify(&rate_limit, 1).is_err(),
+ "We should be over the limit now"
+ );
+}
+```
+
+### With `rate-limiter`
+
+```rust
+use gcra::{GcraError, RateLimit, RateLimiter};
+
+#[tokio::main]
+async fn main() -> Result<(), GcraError> {
+ let rate_limit = RateLimit::per_sec(2);
+ let mut rl = RateLimiter::new(4);
+
+ rl.check("key", rate_limit.clone(), 1).await?;
+ rl.check("key", rate_limit.clone(), 1).await?;
+
+ match rl.check("key", rate_limit.clone(), 1).await {
+ Err(GcraError::DeniedUntil { next_allowed_at }) => {
+ print!("Denied: Request next at {:?}", next_allowed_at);
+ Ok(())
+ }
+ unexpected => panic!("Opps something went wrong! {:?}", unexpected),
+ }
+}
+```
diff --git a/ext/gcra-rs/examples/gcra_check.rs b/ext/gcra-rs/examples/gcra_check.rs
new file mode 100644
index 000000000..58108a684
--- /dev/null
+++ b/ext/gcra-rs/examples/gcra_check.rs
@@ -0,0 +1,47 @@
+use std::time::Instant;
+
+use chrono::{DateTime, Duration, Utc};
+use gcra::{GcraError, GcraState, RateLimit};
+
+fn check_rate_limit(rate_limit: &RateLimit, gcra_state: &mut GcraState) -> bool {
+ const COST: u32 = 1;
+ match gcra_state.check_and_modify(rate_limit, COST) {
+ Ok(_) => {
+ println!("allowed");
+ true
+ }
+ Err(GcraError::DeniedUntil { next_allowed_at }) => {
+ println!("denied. Try again at {:?}", to_date_time(next_allowed_at));
+ false
+ }
+
+ Err(error) => {
+ println!("denied: {:?}", error);
+ false
+ }
+ }
+}
+
+fn to_date_time(instant: Instant) -> DateTime<Utc> {
+ let diff = instant - Instant::now();
+ Utc::now() + Duration::from_std(diff).unwrap()
+}
+
+fn main() {
+ const LIMIT: u32 = 3;
+ // Create a rate limit that allows `3/1s`
+ let rate_limit = RateLimit::per_sec(LIMIT);
+
+ let mut user_state = GcraState::default();
+ for i in 0..LIMIT {
+ assert!(
+ check_rate_limit(&rate_limit, &mut user_state),
+ "Attempt #{} should be allowed",
+ i + 1
+ );
+ }
+ assert!(
+ !check_rate_limit(&rate_limit, &mut user_state),
+ "We should be over the limit now"
+ );
+}
diff --git a/ext/gcra-rs/examples/rate_limiter.rs b/ext/gcra-rs/examples/rate_limiter.rs
new file mode 100644
index 000000000..c92268a8d
--- /dev/null
+++ b/ext/gcra-rs/examples/rate_limiter.rs
@@ -0,0 +1,21 @@
+use gcra::{GcraError, RateLimit, RateLimiter};
+
+const CACHE_CAPACITY: usize = 4;
+const WORKER_SHARD_COUNT: usize = 2;
+
+#[tokio::main]
+async fn main() -> Result<(), GcraError> {
+ let rate_limit = RateLimit::per_sec(2);
+ let mut rl = RateLimiter::with_shards(CACHE_CAPACITY, WORKER_SHARD_COUNT);
+
+ rl.check("key", rate_limit.clone(), 1).await?;
+ rl.check("key", rate_limit.clone(), 1).await?;
+
+ match rl.check("key", rate_limit.clone(), 1).await {
+ Err(GcraError::DeniedUntil { next_allowed_at }) => {
+ print!("Denied: Request next at {:?}", next_allowed_at);
+ Ok(())
+ }
+ unexpected => panic!("Opps something went wrong! {:?}", unexpected),
+ }
+}
diff --git a/ext/gcra-rs/src/gcra.rs b/ext/gcra-rs/src/gcra.rs
new file mode 100644
index 000000000..8e362130e
--- /dev/null
+++ b/ext/gcra-rs/src/gcra.rs
@@ -0,0 +1,489 @@
+use std::time::Instant;
+use thiserror::Error;
+
+use crate::rate_limit::RateLimit;
+
+#[derive(Error, Debug, PartialEq, Eq)]
+pub enum GcraError {
+ /// Cost of the increment exceeds the rate limit and will never succeed
+ #[error("Cost of the increment ({cost}) exceeds the rate limit ({rate_limit:?}) and will never succeed)")]
+ DeniedIndefinitely { cost: u32, rate_limit: RateLimit },
+ /// Limited request until after the [Instant]
+ #[error("Denied until {next_allowed_at:?}")]
+ DeniedUntil { next_allowed_at: Instant },
+}
+
+/// Holds the minmum amount of state necessary to implement a GRCA leaky buckets.
+/// Refer to: [understanding GCRA](https://blog.ian.stapletoncordas.co/2018/12/understanding-generic-cell-rate-limiting.html)
+#[derive(Default, Debug, Clone, PartialEq, Eq, Hash, Copy)]
+pub struct GcraState {
+ /// GCRA's Theoretical Arrival Time (**TAT**)
+ /// An unset value signals a new state
+ pub tat: Option<Instant>,
+}
+
+impl GcraState {
+ /// Check if we are allowed to proceed. If so updated our internal state and return true.
+ ///
+ /// Simply passes the current Instant to [`check_and_modify_at()`]
+ #[inline]
+ pub fn check_and_modify(&mut self, rate_limit: &RateLimit, cost: u32) -> Result<(), GcraError> {
+ let arrived_at = Instant::now();
+ self.check_and_modify_at(rate_limit, arrived_at, cost)
+ }
+
+ /// Check if we are allowed to proceed at the given arrival time.
+ /// If so updated our internal state and return true.
+ /// Explaination of GCRA can be found [here](https://blog.ian.stapletoncordas.co/2018/12/understanding-generic-cell-rate-limiting.html)
+ ///
+ /// # Returns
+ /// If denied, will return an [Result::Err] where the value is the next allowed timestamp.
+ pub fn check_and_modify_at(
+ &mut self,
+ rate_limit: &RateLimit,
+ arrived_at: Instant,
+ cost: u32,
+ ) -> Result<(), GcraError> {
+ let increment_interval = rate_limit.increment_interval(cost);
+
+ let compute_tat = |new_tat: Instant| {
+ if increment_interval > rate_limit.period {
+ return Err(GcraError::DeniedIndefinitely {
+ cost,
+ rate_limit: rate_limit.clone(),
+ });
+ }
+
+ Ok(new_tat + increment_interval)
+ };
+
+ let tat = match self.tat {
+ Some(tat) => tat,
+ None => {
+ // First ever request. Allow passage and update self.
+ self.tat = Some(compute_tat(arrived_at)?);
+ return Ok(());
+ }
+ };
+
+ // We had a previous request
+ if tat < arrived_at {
+ // prev request was really old
+ let new_tat = std::cmp::max(tat, arrived_at);
+ self.tat = Some(compute_tat(new_tat)?);
+ Ok(())
+ } else {
+ // prev request was recent and there's a possibility that we've reached the limit
+ let delay_variation_tolerance = rate_limit.period;
+ let new_tat = compute_tat(tat)?;
+
+ let next_allowed_at = new_tat - delay_variation_tolerance;
+ if next_allowed_at <= arrived_at {
+ self.tat = Some(new_tat);
+ Ok(())
+ } else {
+ // Denied, must wait until next_allowed_at
+ Err(GcraError::DeniedUntil { next_allowed_at })
+ }
+ }
+ }
+
+ /// Reverts rate_limit by cost, and updated our internal state.
+ ///
+ /// Simply passes the current Instant to [`revert_at()`]
+ #[inline]
+ pub fn revert(&mut self, rate_limit: &RateLimit, cost: u32) -> Result<(), GcraError> {
+ let arrived_at = Instant::now();
+ self.revert_at(rate_limit, arrived_at, cost)
+ }
+
+ /// Reverts rate_limit by cost, and updated our internal state.
+ ///
+ /// This is a hack that substracts the incremental cost from the TAT.
+ pub fn revert_at(
+ &mut self,
+ rate_limit: &RateLimit,
+ arrived_at: Instant,
+ cost: u32,
+ ) -> Result<(), GcraError> {
+ let increment_interval = rate_limit.increment_interval(cost);
+
+ let compute_revert_tat = |new_tat: Instant| new_tat - increment_interval;
+
+ let tat = match self.tat {
+ Some(tat) => tat,
+ None => {
+ // First ever request. Nothing to do.
+ return Ok(());
+ }
+ };
+
+ // We had a previous request
+ if tat < arrived_at {
+ // Reset state: prev request was really old
+ self.tat = None;
+ } else {
+ // prev request was recent
+ self.tat = Some(compute_revert_tat(tat));
+ }
+ Ok(())
+ }
+
+ pub fn remaining_resources(&self, rate_limit: &RateLimit, now: Instant) -> u32 {
+ if rate_limit.period.is_zero() {
+ return 0;
+ }
+
+ let time_to_tat = match self.tat.and_then(|tat| tat.checked_duration_since(now)) {
+ Some(duration_until) => duration_until,
+ None => return rate_limit.resource_limit,
+ };
+
+ // Logically this makes more sense as:
+ // consumed_resources = time_to_tat * (resource_limit/period)
+ // but we run it this way because of Duration's arithmetic functions
+
+ // Requires nightly
+ // let consumed_resources =
+ // (time_to_tat * rate_limit.resource_limit).div_duration_f32(rate_limit.period);
+
+ let consumed_resources = time_to_tat.as_nanos() as f64
+ / rate_limit.period.as_nanos() as f64
+ * rate_limit.resource_limit as f64;
+
+ rate_limit.resource_limit - consumed_resources.ceil() as u32
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use std::time::Duration;
+
+ use super::*;
+
+ #[test]
+ fn test_rate_limit_unused_counts() {
+ let base_tat = Instant::now();
+ let rate_limit = RateLimit::new(10, Duration::from_secs(1));
+
+ assert_eq!(
+ 4,
+ GcraState {
+ tat: Some(base_tat + Duration::from_millis(550))
+ }
+ .remaining_resources(&rate_limit, base_tat),
+ "Remaining count should ceiled"
+ );
+ assert_eq!(
+ 0,
+ GcraState {
+ tat: Some(base_tat + Duration::from_millis(950))
+ }
+ .remaining_resources(&rate_limit, base_tat),
+ "Remaining count should ceiled, thus preventing any additional requests"
+ );
+
+ assert_eq!(
+ 9,
+ GcraState {
+ tat: Some(base_tat + Duration::from_millis(100))
+ }
+ .remaining_resources(&rate_limit, base_tat),
+ "Remaining count is based on max_period timeout"
+ );
+ }
+
+ #[test]
+ fn gcra_basics() {
+ let mut gcra = GcraState::default();
+ let rate_limit = RateLimit::new(1, Duration::from_secs(1));
+
+ let first_req_ts = Instant::now();
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify(&rate_limit, 1),
+ "request #1 should pass"
+ );
+ let after_first_tat = gcra.tat;
+ assert!(
+ after_first_tat.is_some(),
+ "state should be modified and have a TAT in the future"
+ );
+
+ let next_allowed_ts = match gcra.check_and_modify(&rate_limit, 1) {
+ Err(GcraError::DeniedUntil { next_allowed_at }) => next_allowed_at,
+ _ => panic!("request #2 should be denied temporarily"),
+ };
+ assert!(
+ next_allowed_ts >= first_req_ts + Duration::from_secs(1),
+ "we should only be allowed after the burst period"
+ );
+ assert_eq!(after_first_tat, gcra.tat, "State should be unchanged.")
+ }
+
+ #[test]
+ fn gcra_limited() {
+ const LIMIT: u32 = 5;
+ let mut gcra = GcraState::default();
+ let rate_limit = RateLimit::new(LIMIT, Duration::from_secs(1));
+
+ let req_ts = Instant::now();
+ for i in 0..LIMIT {
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify_at(&rate_limit, req_ts, 1),
+ "request #{} should pass",
+ i + 1
+ );
+ }
+
+ assert_eq!(
+ Some(req_ts + rate_limit.period),
+ gcra.tat,
+ "state should be modified and have a TAT for the full period",
+ );
+
+ // Trigger another event
+ let denied_result = gcra.check_and_modify_at(&rate_limit, req_ts, 1);
+
+ assert_eq!(
+ Some(req_ts + rate_limit.period),
+ gcra.tat,
+ "state should not have changed when at limit",
+ );
+
+ assert_eq!(
+ Err(GcraError::DeniedUntil {
+ next_allowed_at: req_ts + rate_limit.emission_interval
+ }),
+ denied_result,
+ "next request should be denied",
+ );
+ }
+
+ #[test]
+ fn gcra_revert_new() {
+ const LIMIT: u32 = 5;
+ let mut gcra = GcraState::default();
+ let rate_limit = RateLimit::new(LIMIT, Duration::from_secs(1));
+
+ let req_ts = Instant::now();
+ // Revert before any calls
+ assert!(
+ gcra.revert_at(&rate_limit, req_ts, 1).is_ok(),
+ "revert should have released resources"
+ );
+ assert_eq!(None, gcra.tat, "state should not have changed at all",);
+ }
+
+ #[test]
+ fn gcra_revert_existing() {
+ const LIMIT: u32 = 5;
+ let mut gcra = GcraState::default();
+ let rate_limit = RateLimit::new(LIMIT, Duration::from_secs(1));
+
+ let req_ts = Instant::now();
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify_at(&rate_limit, req_ts, 5),
+ "use up all resources",
+ );
+
+ assert_eq!(
+ Some(req_ts + rate_limit.period),
+ gcra.tat,
+ "state should be modified and have a TAT for the full period",
+ );
+
+ // Revert
+ assert!(
+ gcra.revert_at(&rate_limit, req_ts, 1).is_ok(),
+ "revert should have released resources"
+ );
+ assert_eq!(
+ Some(req_ts + rate_limit.period - rate_limit.increment_interval(1)),
+ gcra.tat,
+ "state should not have changed when at limit",
+ );
+
+ // Confirm revert re-enables
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify_at(&rate_limit, req_ts, 1),
+ "additional resources should have been freed",
+ );
+ }
+
+ #[test]
+ fn gcra_revert_existing_ancient() {
+ const LIMIT: u32 = 5;
+ let mut gcra = GcraState::default();
+ let rate_limit = RateLimit::new(LIMIT, Duration::from_secs(1));
+
+ let past_req_ts = Instant::now() - Duration::from_secs(100);
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify_at(&rate_limit, past_req_ts, 5),
+ "use up all resources, but in distant past",
+ );
+ assert_eq!(
+ Some(past_req_ts + rate_limit.period),
+ gcra.tat,
+ "state should be modified and have a TAT for the past",
+ );
+
+ // Revert using current time
+ let req_ts = Instant::now();
+ assert!(
+ gcra.revert_at(&rate_limit, req_ts, 1).is_ok(),
+ "revert should have released resources"
+ );
+ assert_eq!(
+ None, gcra.tat,
+ "state should have reset since it was so old",
+ );
+
+ // Confirm revert had 0 effect
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify_at(&rate_limit, req_ts, 1),
+ "additional resources should have been freed",
+ );
+ assert_eq!(
+ gcra.tat,
+ Some(req_ts + rate_limit.increment_interval(1)),
+ "new TAT state should have been moved forward according to cost like normal"
+ );
+ }
+
+ #[test]
+ fn gcra_leaky() {
+ // const INCREMENT_INTERVAL: u64 = 500;
+ const INCREMENT_INTERVAL: Duration = Duration::from_millis(500);
+
+ let mut gcra = GcraState::default();
+ let rate_limit = RateLimit::new(10, 10 * INCREMENT_INTERVAL);
+ assert_eq!(INCREMENT_INTERVAL, rate_limit.emission_interval);
+
+ let arrived_at = Instant::now();
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify_at(&rate_limit, arrived_at, 1),
+ "request #1 should pass"
+ );
+ assert_eq!(
+ gcra.tat,
+ Some(arrived_at + INCREMENT_INTERVAL),
+ "new TAT state should have been moved forward according to cost"
+ );
+
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify(&rate_limit, 9),
+ "request #2 should consume all remaining resources and pass"
+ );
+ assert!(
+ matches!(gcra.check_and_modify(&rate_limit, 1), Err(_allowed_at)),
+ "request #3 should fail since all resources consumed"
+ );
+
+ let current_tat = gcra.tat.expect("should have a tat state after use");
+ assert!(current_tat > Instant::now(), "tat in the future");
+
+ assert!(
+ matches!(
+ // manually force time check that we know will fail
+ gcra.check_and_modify_at(
+ &rate_limit,
+ current_tat - rate_limit.period - Duration::from_millis(1),
+ 1
+ ),
+ Err(_allowed_at)
+ ),
+ "request #4 before leak period should fail. INCREMENT_INTERVAL has not passed yet."
+ );
+
+ assert!(
+ matches!(
+ gcra.check_and_modify_at(&rate_limit, current_tat - rate_limit.period, 1),
+ Err(_allowed_at)
+ ),
+ "request #5 after leak period should pass. INCREMENT_INTERVAL has passed"
+ );
+ }
+
+ #[test]
+ fn gcra_cost_indefinitely_denied() {
+ let mut gcra = GcraState::default();
+ let rate_limit = RateLimit::new(5, Duration::from_secs(1));
+
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify(&rate_limit, 1),
+ "request #1 should pass"
+ );
+
+ let over_limit_cost = rate_limit.resource_limit + 1;
+ match gcra.check_and_modify(&rate_limit, over_limit_cost) {
+ Err(GcraError::DeniedIndefinitely {
+ cost,
+ rate_limit: rl,
+ }) => {
+ assert_eq!(over_limit_cost, cost);
+ assert_eq!(rate_limit, rl);
+ }
+ e => panic!("request #2 would never succeed {:?}", e),
+ };
+ }
+
+ #[test]
+ fn gcra_cost_temporarily_denied() {
+ let mut gcra = GcraState::default();
+ let rate_limit = RateLimit::new(5, Duration::from_secs(1));
+
+ let first_req_ts = Instant::now();
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify(&rate_limit, 1),
+ "request #1 should pass"
+ );
+
+ let after_first_tat = gcra.tat;
+ assert!(
+ after_first_tat.is_some(),
+ "state should be modified and have a TAT in the future"
+ );
+
+ let next_allowed_ts = match gcra.check_and_modify(&rate_limit, rate_limit.resource_limit) {
+ Err(GcraError::DeniedUntil { next_allowed_at }) => next_allowed_at,
+ _ => panic!("request #2 is only temporarily denied"),
+ };
+
+ assert!(
+ next_allowed_ts >= first_req_ts + rate_limit.increment_interval(1),
+ "we should only be allowed after the burst period {:?} >= {:?}",
+ next_allowed_ts,
+ first_req_ts + rate_limit.period
+ );
+ assert_eq!(after_first_tat, gcra.tat, "State should be unchanged.")
+ }
+
+ #[test]
+ fn gcra_refreshed_after_period() {
+ let past_time = Instant::now() - Duration::from_millis(1001);
+ let mut gcra = GcraState {
+ tat: Some(past_time),
+ };
+ let rate_limit = RateLimit::new(1, Duration::from_secs(1));
+ assert_eq!(
+ Ok(()),
+ gcra.check_and_modify(&rate_limit, 1),
+ "request #1 should pass"
+ );
+
+ assert!(
+ matches!(gcra.check_and_modify(&rate_limit, 1), Err(_allowed_at)),
+ "request #2 should fail"
+ );
+ }
+}
diff --git a/ext/gcra-rs/src/lib.rs b/ext/gcra-rs/src/lib.rs
new file mode 100644
index 000000000..8c644db99
--- /dev/null
+++ b/ext/gcra-rs/src/lib.rs
@@ -0,0 +1,58 @@
+//! Library which implements the core
+//! [GCRA](https://en.wikipedia.org/wiki/Generic_cell_rate_algorithm) functionality in rust.
+//!
+//! # Features
+//! - `rate-limiter` a LRU + expiring rate limiter. Implements `Send + Sync` so
+//! can be used asynchronously.
+//!
+//! # Usage
+//!
+//! ```rust
+//! use gcra::{GcraState, RateLimit};
+//!
+//! fn check_rate_limit() {
+//! const LIMIT: u32 = 1;
+//! // Create a rate limit that allows `1/1s`
+//! let rate_limit = RateLimit::per_sec(LIMIT);
+//!
+//! let mut user_state = GcraState::default();
+//! assert!(user_state.check_and_modify(&rate_limit, 1).is_ok());
+//! assert!(
+//! user_state.check_and_modify(&rate_limit, 1).is_err(),
+//! "We should be over the limit now"
+//! );
+//! }
+//! ```
+//!
+//! ## With `rate-limiter`
+//!
+//! ```rust
+//! use gcra::{GcraError, RateLimit, RateLimiter};
+//!
+//! #[tokio::main]
+//! async fn main() -> Result<(), GcraError> {
+//! let rate_limit = RateLimit::per_sec(2);
+//! let mut rl = RateLimiter::new(4);
+//!
+//! rl.check("key", rate_limit.clone(), 1).await?;
+//! rl.check("key", rate_limit.clone(), 1).await?;
+//!
+//! match rl.check("key", rate_limit.clone(), 1).await {
+//! Err(GcraError::DeniedUntil { next_allowed_at }) => {
+//! print!("Denied: Request next at {:?}", next_allowed_at);
+//! Ok(())
+//! }
+//! unexpected => panic!("Opps something went wrong! {:?}", unexpected),
+//! }
+//! }
+//! ```
+
+mod gcra;
+mod rate_limit;
+#[cfg(feature = "rate-limiter")]
+mod rate_limiter;
+
+pub use crate::gcra::{GcraError, GcraState};
+pub use crate::rate_limit::RateLimit;
+#[cfg(feature = "rate-limiter")]
+pub use crate::rate_limiter::{RateLimitEntry, RateLimitRequest, RateLimiter};
diff --git a/ext/gcra-rs/src/rate_limit.rs b/ext/gcra-rs/src/rate_limit.rs
new file mode 100644
index 000000000..77189ad15
--- /dev/null
+++ b/ext/gcra-rs/src/rate_limit.rs
@@ -0,0 +1,45 @@
+use std::time::Duration;
+
+#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
+/// Defines the configuration for a GCRA rate limit.
+pub struct RateLimit {
+ // Amount of resources that are allowed in a given period.
+ pub resource_limit: u32,
+ // The length of which to allow access to the resource.
+ pub period: Duration,
+
+ /// Incremental duration cost of a single resource check
+ pub emission_interval: Duration,
+}
+
+impl RateLimit {
+ pub fn new(resource_limit: u32, period: Duration) -> Self {
+ let emission_interval = period / resource_limit;
+ Self {
+ resource_limit,
+ period,
+ emission_interval,
+ }
+ }
+
+ #[inline]
+ pub fn per_sec(resource_limit: u32) -> Self {
+ Self::new(resource_limit, Duration::from_secs(1))
+ }
+
+ /// Given a `cost`, calculates the increment interval.
+ pub fn increment_interval(&self, cost: u32) -> Duration {
+ self.emission_interval * cost
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn rate_limit_emission_interal() {
+ let rate_limit = RateLimit::new(10, Duration::from_secs(20));
+ assert_eq!(Duration::from_secs(2), rate_limit.emission_interval)
+ }
+}
diff --git a/ext/gcra-rs/src/rate_limiter/clock.rs b/ext/gcra-rs/src/rate_limiter/clock.rs
new file mode 100644
index 000000000..c3491a8be
--- /dev/null
+++ b/ext/gcra-rs/src/rate_limiter/clock.rs
@@ -0,0 +1,48 @@
+use std::time::Instant;
+
+/// Abstraction for getting time.
+pub trait Clock {
+ fn now(&self) -> Instant {
+ Instant::now()
+ }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct InstantClock;
+impl Clock for InstantClock {}
+
+#[cfg(test)]
+pub mod tests {
+ use super::*;
+
+ use std::{
+ sync::{Arc, Mutex},
+ time::{Duration, Instant},
+ };
+
+ #[derive(Debug, Clone)]
+ pub struct FakeClock {
+ now: Instant,
+ delta: Arc<Mutex<Duration>>,
+ }
+
+ impl Clock for FakeClock {
+ fn now(&self) -> Instant {
+ self.now + *self.delta.lock().unwrap()
+ }
+ }
+
+ impl FakeClock {
+ pub fn new() -> Self {
+ Self {
+ now: Instant::now(),
+ delta: Arc::new(Mutex::new(Duration::default())),
+ }
+ }
+
+ pub fn advance_by(&self, duration: Duration) {
+ let mut delta = self.delta.lock().unwrap();
+ *delta += duration;
+ }
+ }
+}
diff --git a/ext/gcra-rs/src/rate_limiter/entry.rs b/ext/gcra-rs/src/rate_limiter/entry.rs
new file mode 100644
index 000000000..c10732798
--- /dev/null
+++ b/ext/gcra-rs/src/rate_limiter/entry.rs
@@ -0,0 +1,33 @@
+use std::{
+ ops::{Deref, DerefMut},
+ time::Instant,
+};
+
+use crate::{GcraState, RateLimit};
+
+#[derive(Default, Debug, Clone)]
+pub struct RateLimitEntry {
+ pub gcra_state: GcraState,
+ pub expires_at: Option<Instant>,
+}
+
+impl Deref for RateLimitEntry {
+ type Target = GcraState;
+
+ fn deref(&self) -> &Self::Target {
+ &self.gcra_state
+ }
+}
+
+impl DerefMut for RateLimitEntry {
+ fn deref_mut(&mut self) -> &mut Self::Target {
+ &mut self.gcra_state
+ }
+}
+
+impl RateLimitEntry {
+ pub(super) fn update_expiration(&mut self, rate_limit: &RateLimit) {
+ let expires_at = self.tat.unwrap_or_else(Instant::now) + rate_limit.period;
+ self.expires_at = Some(expires_at);
+ }
+}
diff --git a/ext/gcra-rs/src/rate_limiter/mod.rs b/ext/gcra-rs/src/rate_limiter/mod.rs
new file mode 100644
index 000000000..c089639f4
--- /dev/null
+++ b/ext/gcra-rs/src/rate_limiter/mod.rs
@@ -0,0 +1,7 @@
+mod clock;
+mod entry;
+#[allow(clippy::module_inception)]
+mod rate_limiter;
+
+pub use entry::*;
+pub use rate_limiter::*;
diff --git a/ext/gcra-rs/src/rate_limiter/rate_limiter.rs b/ext/gcra-rs/src/rate_limiter/rate_limiter.rs
new file mode 100644
index 000000000..ecbafadd5
--- /dev/null
+++ b/ext/gcra-rs/src/rate_limiter/rate_limiter.rs
@@ -0,0 +1,265 @@
+use dashmap::DashMap;
+use rustc_hash::FxHasher;
+use std::{
+ fmt::Display,
+ hash::{BuildHasher, BuildHasherDefault, Hash},
+ time::Instant,
+};
+
+use super::{
+ clock::{Clock, InstantClock},
+ entry::RateLimitEntry,
+};
+use crate::{GcraError, RateLimit};
+
+pub type FxBuildHasher = BuildHasherDefault<FxHasher>;
+
+#[derive(Clone, Hash, PartialEq, Eq, Debug)]
+pub struct RateLimitRequest<T: Eq + Hash> {
+ key: T,
+}
+
+impl<T> Display for RateLimitRequest<T>
+where
+ T: Display + Eq + Hash,
+{
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ write!(f, "RateLimitRequest={}", self.key)
+ }
+}
+
+/// A sharded rate limiter implementation using an internal [GcraState] per entry.
+/// It is `Send + Sync + Clone` and manages an internal LRU with expiration.
+#[derive(Clone)]
+pub struct RateLimiter<T: Eq + Hash, C = InstantClock, S = FxBuildHasher> {
+ clock: C,
+ map: DashMap<RateLimitRequest<T>, RateLimitEntry, S>,
+}
+
+impl<Key> RateLimiter<Key, InstantClock, FxBuildHasher>
+where
+ Key: Send + Clone + Hash + Eq + Display + 'static,
+{
+ /// Constructs an sharded instance of a rate limiter.
+ pub fn new(max_data_capacity: usize) -> Self {
+ Self {
+ clock: InstantClock,
+ map: DashMap::with_capacity_and_hasher(max_data_capacity, FxBuildHasher::default()),
+ }
+ }
+
+ /// Constructs an sharded instance of a rate limiter with a specific amount of shards.
+ pub fn with_shards(max_data_capacity: usize, num_shards: usize) -> Self {
+ Self {
+ clock: InstantClock,
+ map: DashMap::with_capacity_and_hasher_and_shard_amount(
+ max_data_capacity,
+ FxBuildHasher::default(),
+ num_shards,
+ ),
+ }
+ }
+}
+
+impl<Key, C, S> RateLimiter<Key, C, S>
+where
+ Key: Send + Clone + Hash + Eq + Display + 'static,
+ C: Clock,
+ S: Default + BuildHasher + Clone,
+{
+ pub fn with_clock(clock: C) -> Self {
+ Self {
+ clock,
+ map: DashMap::default(),
+ }
+ }
+
+ /// Check to see if [key] is rate limited.
+ /// # Errors
+ /// - [GcraError::DeniedUntil] if the request can succeed after the [Instant] returned.
+ /// - [GcraError::DeniedIndefinitely] if the request can never succeed
+ #[inline]
+ pub async fn check(
+ &mut self,
+ key: Key,
+ rate_limit: RateLimit,
+ cost: u32,
+ ) -> Result<Instant, GcraError> {
+ self.check_at(key, rate_limit, cost, self.clock.now()).await
+ }
+
+ /// Check to see if [key] is rate limited.
+ ///
+ /// # Errors
+ /// - [GcraError::DeniedUntil] if the request can succeed after the [Instant] returned.
+ /// - [GcraError::DeniedIndefinitely] if the request can never succeed
+ pub async fn check_at(
+ &mut self,
+ key: Key,
+ rate_limit: RateLimit,
+ cost: u32,
+ arrived_at: Instant,
+ ) -> Result<Instant, GcraError> {
+ let request_key = RateLimitRequest { key };
+
+ let mut entry = self.map.entry(request_key.clone()).or_default();
+ match entry.check_and_modify_at(&rate_limit, arrived_at, cost) {
+ Ok(_) => {
+ entry.update_expiration(&rate_limit);
+ // Guaranteed to be set from update_expiration
+ let expires_at = entry.expires_at.unwrap();
+ Ok(expires_at)
+ }
+ Err(e @ GcraError::DeniedUntil { .. }) => Err(e),
+ Err(e @ GcraError::DeniedIndefinitely { .. }) => {
+ // Free the lock so we can remove the entry
+ drop(entry);
+ // No need to keep this in the map
+ self.map.remove(&request_key);
+ Err(e)
+ }
+ }
+ }
+
+ /// Removes entries that have expired
+ pub fn prune_expired(&mut self) {
+ let now = self.clock.now();
+
+ self.map.retain(|_key, entry| match entry.expires_at {
+ Some(expires_at) => expires_at > now,
+ None => true,
+ })
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use crate::rate_limiter::clock::tests::FakeClock;
+ use core::panic;
+ use std::time::{Duration, Instant};
+
+ use super::*;
+
+ #[tokio::test]
+ async fn rate_limiter_run_until_denied() {
+ let rate_limit = RateLimit::new(3, Duration::from_secs(3));
+ let mut rl = RateLimiter::with_shards(4, 2);
+
+ for _ in 0..rate_limit.resource_limit {
+ assert!(
+ rl.check("key", rate_limit.clone(), 1).await.is_ok(),
+ "Shouldn't be rate limited yet"
+ );
+ }
+
+ match rl.check("key", rate_limit, 1).await {
+ Ok(_) => panic!("We should be rate limited"),
+ Err(GcraError::DeniedUntil { next_allowed_at }) => {
+ assert!(next_allowed_at > Instant::now())
+ }
+ Err(_) => panic!("Unexpected error"),
+ }
+ }
+
+ #[tokio::test]
+ async fn rate_limiter_indefinitly_denied() {
+ let rate_limit = RateLimit::new(3, Duration::from_secs(3));
+ let mut rl = RateLimiter::with_shards(4, 2);
+
+ match rl.check("key", rate_limit.clone(), 9).await {
+ Ok(_) => panic!("We should be rate limited"),
+ Err(GcraError::DeniedIndefinitely {
+ cost,
+ rate_limit: err_rate_limit,
+ }) => {
+ assert_eq!(cost, 9);
+ assert_eq!(err_rate_limit, rate_limit);
+ }
+ Err(_) => panic!("Unexpected error"),
+ }
+ }
+
+ #[tokio::test]
+ async fn rate_limiter_leaks() {
+ let rate_limit = RateLimit::per_sec(2);
+ let mut rl = RateLimiter::with_shards(4, 2);
+
+ let now = Instant::now();
+ assert!(rl.check_at("key", rate_limit.clone(), 1, now).await.is_ok());
+ assert!(
+ rl.check_at(
+ "key",
+ rate_limit.clone(),
+ 1,
+ now + Duration::from_millis(250)
+ )
+ .await
+ .is_ok(),
+ "delay the 2nd check"
+ );
+ assert!(
+ rl.check_at(
+ "key",
+ rate_limit.clone(),
+ 1,
+ now + Duration::from_millis(251)
+ )
+ .await
+ .is_err(),
+ "check we are denied start"
+ );
+ assert!(
+ rl.check_at(
+ "key",
+ rate_limit.clone(),
+ 1,
+ now + Duration::from_millis(499)
+ )
+ .await
+ .is_err(),
+ "check we are denied end"
+ );
+ assert!(
+ rl.check_at(
+ "key",
+ rate_limit.clone(),
+ 1,
+ now + Duration::from_millis(501)
+ )
+ .await
+ .is_ok(),
+ "1st use should be released"
+ )
+ }
+
+ #[tokio::test]
+ async fn rate_limiter_prune_expired() {
+ let clock = FakeClock::new();
+
+ let rate_limit = RateLimit::per_sec(3);
+ let mut rl: RateLimiter<_, _, FxBuildHasher> = RateLimiter::with_clock(clock.clone());
+
+ for index in 0..rate_limit.resource_limit {
+ assert!(
+ rl.check(index, rate_limit.clone(), 1).await.is_ok(),
+ "Shouldn't be rate limited yet"
+ );
+ }
+
+ let before_len = rl.map.len();
+ rl.prune_expired();
+ let after_len = rl.map.len();
+ assert_eq!(
+ before_len, after_len,
+ "Nothing has expired, no elements should be removed"
+ );
+
+ clock.advance_by(Duration::from_secs(10));
+ rl.prune_expired();
+ let after_len = rl.map.len();
+ assert_eq!(
+ 0, after_len,
+ "All entries have expired, no elements expected"
+ );
+ }
+}
diff --git a/ext/libp2p-bitswap/.gitignore b/ext/libp2p-bitswap/.gitignore
new file mode 100644
index 000000000..53eaa2196
--- /dev/null
+++ b/ext/libp2p-bitswap/.gitignore
@@ -0,0 +1,2 @@
+/target
+**/*.rs.bk
diff --git a/ext/libp2p-bitswap/Cargo.lock b/ext/libp2p-bitswap/Cargo.lock
new file mode 100644
index 000000000..37c651fcb
--- /dev/null
+++ b/ext/libp2p-bitswap/Cargo.lock
@@ -0,0 +1,3707 @@
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diff --git a/ext/libp2p-bitswap/Cargo.toml b/ext/libp2p-bitswap/Cargo.toml
new file mode 100644
index 000000000..bfad697c6
--- /dev/null
+++ b/ext/libp2p-bitswap/Cargo.toml
@@ -0,0 +1,35 @@
+[package]
+name = "libp2p-bitswap"
+version = "0.25.1"
+authors = ["David Craven <david@craven.ch>"]
+edition = "2018"
+description = "Implementation of the ipfs bitswap protocol."
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/ipfs-rust/libp2p-bitswap"
+
+[features]
+compat = ["prost", "prost-build"]
+
+[build-dependencies]
+prost-build = { version = "0.9.0", optional = true }
+
+[dependencies]
+async-trait = "0.1.52"
+fnv = "1.0.7"
+futures = "0.3.19"
+lazy_static = "1.4.0"
+libipld = { version = "0.16.0", default-features = false }
+libp2p = { version = "0.53", features = ["request-response"] }
+prometheus = "0.13.0"
+prost = { version = "0.9.0", optional = true }
+thiserror = "1.0.30"
+tracing = "0.1.29"
+unsigned-varint = { version = "0.7.1", features = ["futures", "std"] }
+
+[dev-dependencies]
+async-std = { version = "1.10.0", features = ["attributes"] }
+env_logger = "0.9.0"
+libipld = { version = "0.14.0", default-features = false, features = ["dag-cbor"] }
+libp2p = { version = "0.53.0", features = ["tcp", "noise", "yamux", "rsa", "async-std"] }
+multihash = { version = "0.16.0", default-features = false, features = ["blake3", "sha2"] }
+tracing-subscriber = { version = "0.3.5", features = ["env-filter", "tracing-log"] }
diff --git a/ext/libp2p-bitswap/README.md b/ext/libp2p-bitswap/README.md
new file mode 100644
index 000000000..3ad2dd613
--- /dev/null
+++ b/ext/libp2p-bitswap/README.md
@@ -0,0 +1,98 @@
+[](https://crates.io/crates/libp2p-bitswap)
+[](https://docs.rs/libp2p-bitswap)
+
+# libp2p-bitswap
+
+Implementation of the bitswap protocol.
+
+## Efficiently syncing dags of blocks
+
+Bitswap is a very simple protocol. It was adapted and simplified for ipfs-embed. The message
+format can be represented by the following enums.
+
+```rust
+pub enum BitswapRequest {
+ Have(Cid),
+ Block(Cid),
+}
+
+pub enum BitswapResponse {
+ Have(bool),
+ Block(Vec<u8>),
+}
+```
+
+The mechanism for locating providers can be abstracted. A dht can be plugged in or a centralized
+db query. The bitswap api looks as follows:
+
+```rust
+#[derive(Debug)]
+pub enum BitswapEvent {
+ /// Received a block from a peer. Includes the number of known missing blocks for a
+ /// sync query. When a block is received and missing blocks is not empty the counter
+ /// is increased. If missing blocks is empty the counter is decremented.
+ Progress(QueryId, usize),
+ /// A get or sync query completed.
+ Complete(QueryId, Result<()>),
+}
+
+pub trait BitswapStore: Send + Sync + 'static {
+ /// The store params.
+ type Params: StoreParams;
+ /// A have query needs to know if the block store contains the block.
+ fn contains(&mut self, cid: &Cid) -> Result<bool>;
+ /// A block query needs to retrieve the block from the store.
+ fn get(&mut self, cid: &Cid) -> Result<Option<Vec<u8>>>;
+ /// A block response needs to insert the block into the store.
+ fn insert(&mut self, block: &Block<Self::Params>) -> Result<()>;
+ /// A sync query needs a list of missing blocks to make progress.
+ fn missing_blocks(&mut self, cid: &Cid) -> Result<Vec<Cid>>;
+}
+
+pub struct BitswapConfig {
+ /// Timeout of a request.
+ pub request_timeout: Duration,
+ /// Time a connection is kept alive.
+ pub connection_keep_alive: Duration,
+}
+
+impl<P: StoreParams> Bitswap<P> {
+ /// Creates a new `Bitswap` behaviour.
+ pub fn new(config: BitswapConfig) -> Self;
+
+ /// Adds an address for a peer.
+ pub fn add_address(&mut self, peer_id: &PeerId, addr: Multiaddr);
+
+ /// Removes an address for a peer.
+ pub fn remove_address(&mut self, peer_id: &PeerId, addr: &Multiaddr);
+
+ /// Starts a get query with an initial guess of providers.
+ pub fn get(&mut self, cid: Cid, peers: impl Iterator<Item = PeerId>) -> QueryId;
+
+ /// Starts a sync query with an the initial set of missing blocks.
+ pub fn sync(&mut self, cid: Cid, peers: Vec<PeerId>, missing: impl Iterator<Item = Cid>) -> QueryId;
+
+ /// Cancels an in progress query. Returns true if a query was cancelled.
+ pub fn cancel(&mut self, id: QueryId) -> bool;
+
+ /// Register bitswap stats in a prometheus registry.
+ pub fn register_metrics(&self, registry: &Registry) -> Result<()>;
+}
+```
+
+So what happens when you create a get request? First all the providers in the initial set
+are queried with the have request. As an optimization, in every batch of queries a block
+request is sent instead. If the get query finds a block it returns a query complete. If the
+block wasn't found in the initial set, a `Providers` event is emitted. This is where
+the bitswap consumer tries to locate providers by for example performing a dht lookup. After
+the locating of providers completes, it is signaled by calling `inject_providers`. The query
+manager then performs bitswap requests using the new provider set which results in the block
+being found or a `BlockNotFound` error.
+
+Often we want to sync an entire dag of blocks. We can efficiently sync dags of blocks by adding
+a sync query that runs get queries in parallel for all the references of a block. The set of
+providers that had a block is used as the initial set in a reference query.
+
+## License
+
+MIT OR Apache-2.0
diff --git a/ext/libp2p-bitswap/build.rs b/ext/libp2p-bitswap/build.rs
new file mode 100644
index 000000000..6b7fa7b80
--- /dev/null
+++ b/ext/libp2p-bitswap/build.rs
@@ -0,0 +1,4 @@
+fn main() {
+ #[cfg(feature = "compat")]
+ prost_build::compile_protos(&["src/compat/bitswap_pb.proto"], &["src/compat"]).unwrap();
+}
diff --git a/ext/libp2p-bitswap/src/behaviour.rs b/ext/libp2p-bitswap/src/behaviour.rs
new file mode 100644
index 000000000..a195b4e08
--- /dev/null
+++ b/ext/libp2p-bitswap/src/behaviour.rs
@@ -0,0 +1,963 @@
+//! Handles the `/ipfs/bitswap/1.0.0` and `/ipfs/bitswap/1.1.0` protocols. This
+//! allows exchanging IPFS blocks.
+//!
+//! # Usage
+//!
+//! The `Bitswap` struct implements the `NetworkBehaviour` trait. When used, it
+//! will allow providing and reciving IPFS blocks.
+#[cfg(feature = "compat")]
+use crate::compat::{CompatMessage, CompatProtocol, InboundMessage};
+use crate::protocol::{
+ BitswapCodec, BitswapProtocol, BitswapRequest, BitswapResponse, RequestType,
+};
+use crate::query::{QueryEvent, QueryId, QueryManager, Request, Response};
+use crate::stats::*;
+use fnv::FnvHashMap;
+#[cfg(feature = "compat")]
+use fnv::FnvHashSet;
+use futures::{
+ channel::mpsc,
+ stream::{Stream, StreamExt},
+ task::{Context, Poll},
+};
+use libipld::{error::BlockNotFound, store::StoreParams, Block, Cid, Result};
+#[cfg(feature = "compat")]
+use libp2p::core::either::EitherOutput;
+use libp2p::core::{Endpoint, Multiaddr};
+use libp2p::request_response::OutboundRequestId;
+use libp2p::swarm::derive_prelude::{ConnectionClosed, DialFailure, FromSwarm, ListenFailure};
+use libp2p::swarm::{
+ ConnectionDenied, ConnectionId, THandler, THandlerInEvent, THandlerOutEvent, ToSwarm,
+};
+#[cfg(feature = "compat")]
+use libp2p::swarm::{ConnectionHandlerSelect, NotifyHandler, OneShotHandler};
+use libp2p::PeerId;
+use libp2p::{
+ request_response::{
+ self, InboundFailure, InboundRequestId, OutboundFailure, ProtocolSupport, ResponseChannel,
+ },
+ swarm::NetworkBehaviour,
+};
+use prometheus::Registry;
+use std::{pin::Pin, time::Duration};
+
+/// Bitswap response channel.
+pub type Channel = ResponseChannel<BitswapResponse>;
+
+/// Event emitted by the bitswap behaviour.
+#[derive(Debug)]
+pub enum BitswapEvent {
+ /// Received a block from a peer. Includes the number of known missing blocks for a
+ /// sync query. When a block is received and missing blocks is not empty the counter
+ /// is increased. If missing blocks is empty the counter is decremented.
+ Progress(QueryId, usize),
+ /// A get or sync query completed.
+ Complete(QueryId, Result<()>),
+}
+
+/// Trait implemented by a block store.
+pub trait BitswapStore: Send + Sync + 'static {
+ /// The store params.
+ type Params: StoreParams;
+ /// A have query needs to know if the block store contains the block.
+ fn contains(&mut self, cid: &Cid) -> Result<bool>;
+ /// A block query needs to retrieve the block from the store.
+ fn get(&mut self, cid: &Cid) -> Result<Option<Vec<u8>>>;
+ /// A block response needs to insert the block into the store.
+ fn insert(&mut self, block: &Block<Self::Params>) -> Result<()>;
+ /// A sync query needs a list of missing blocks to make progress.
+ fn missing_blocks(&mut self, cid: &Cid) -> Result<Vec<Cid>>;
+}
+
+/// Bitswap configuration.
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+pub struct BitswapConfig {
+ /// Timeout of a request.
+ pub request_timeout: Duration,
+}
+
+impl BitswapConfig {
+ /// Creates a new `BitswapConfig`.
+ pub fn new() -> Self {
+ Self {
+ request_timeout: Duration::from_secs(10),
+ }
+ }
+}
+
+impl Default for BitswapConfig {
+ fn default() -> Self {
+ Self::new()
+ }
+}
+
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
+enum BitswapId {
+ Bitswap(OutboundRequestId),
+ #[cfg(feature = "compat")]
+ Compat(Cid),
+}
+
+enum BitswapChannel {
+ Bitswap(Channel),
+ #[cfg(feature = "compat")]
+ Compat(PeerId, Cid),
+}
+
+/// Network behaviour that handles sending and receiving blocks.
+pub struct Bitswap<P: StoreParams> {
+ /// Inner behaviour.
+ inner: request_response::Behaviour<BitswapCodec<P>>,
+ /// Query manager.
+ query_manager: QueryManager,
+ /// Requests.
+ requests: FnvHashMap<BitswapId, QueryId>,
+ /// Db request channel.
+ db_tx: mpsc::UnboundedSender<DbRequest<P>>,
+ /// Db response channel.
+ db_rx: mpsc::UnboundedReceiver<DbResponse>,
+ /// Compat peers.
+ #[cfg(feature = "compat")]
+ compat: FnvHashSet<PeerId>,
+}
+
+impl<P: StoreParams> Bitswap<P> {
+ /// Creates a new `Bitswap` behaviour.
+ pub fn new<S: BitswapStore<Params = P>>(config: BitswapConfig, store: S) -> Self {
+ let rr_config =
+ request_response::Config::default().with_request_timeout(config.request_timeout);
+ let protocols = std::iter::once((BitswapProtocol, ProtocolSupport::Full));
+ let inner = request_response::Behaviour::with_codec(
+ BitswapCodec::<P>::default(),
+ protocols,
+ rr_config,
+ );
+ let (db_tx, db_rx) = start_db_thread(store);
+ Self {
+ inner,
+ query_manager: Default::default(),
+ requests: Default::default(),
+ db_tx,
+ db_rx,
+ #[cfg(feature = "compat")]
+ compat: Default::default(),
+ }
+ }
+
+ /// Adds an address for a peer.
+ pub fn add_address(&mut self, peer_id: &PeerId, addr: Multiaddr) {
+ #[allow(deprecated)]
+ self.inner.add_address(peer_id, addr);
+ }
+
+ /// Removes an address for a peer.
+ pub fn remove_address(&mut self, peer_id: &PeerId, addr: &Multiaddr) {
+ #[allow(deprecated)]
+ self.inner.remove_address(peer_id, addr);
+ }
+
+ /// Starts a get query with an initial guess of providers.
+ pub fn get(&mut self, cid: Cid, peers: impl Iterator<Item = PeerId>) -> QueryId {
+ self.query_manager.get(None, cid, peers)
+ }
+
+ /// Starts a sync query with an the initial set of missing blocks.
+ pub fn sync(
+ &mut self,
+ cid: Cid,
+ peers: Vec<PeerId>,
+ missing: impl Iterator<Item = Cid>,
+ ) -> QueryId {
+ self.query_manager.sync(cid, peers, missing)
+ }
+
+ /// Cancels an in progress query. Returns true if a query was cancelled.
+ pub fn cancel(&mut self, id: QueryId) -> bool {
+ let res = self.query_manager.cancel(id);
+ if res {
+ REQUESTS_CANCELED.inc();
+ }
+ res
+ }
+
+ /// Registers prometheus metrics.
+ pub fn register_metrics(&self, registry: &Registry) -> Result<()> {
+ registry.register(Box::new(REQUESTS_TOTAL.clone()))?;
+ registry.register(Box::new(REQUEST_DURATION_SECONDS.clone()))?;
+ registry.register(Box::new(REQUESTS_CANCELED.clone()))?;
+ registry.register(Box::new(BLOCK_NOT_FOUND.clone()))?;
+ registry.register(Box::new(PROVIDERS_TOTAL.clone()))?;
+ registry.register(Box::new(MISSING_BLOCKS_TOTAL.clone()))?;
+ registry.register(Box::new(RECEIVED_BLOCK_BYTES.clone()))?;
+ registry.register(Box::new(RECEIVED_INVALID_BLOCK_BYTES.clone()))?;
+ registry.register(Box::new(SENT_BLOCK_BYTES.clone()))?;
+ registry.register(Box::new(RESPONSES_TOTAL.clone()))?;
+ registry.register(Box::new(THROTTLED_INBOUND.clone()))?;
+ registry.register(Box::new(THROTTLED_OUTBOUND.clone()))?;
+ registry.register(Box::new(OUTBOUND_FAILURE.clone()))?;
+ registry.register(Box::new(INBOUND_FAILURE.clone()))?;
+ Ok(())
+ }
+}
+
+enum DbRequest<P: StoreParams> {
+ Bitswap(BitswapChannel, BitswapRequest),
+ Insert(Block<P>),
+ MissingBlocks(QueryId, Cid),
+}
+
+enum DbResponse {
+ Bitswap(BitswapChannel, BitswapResponse),
+ MissingBlocks(QueryId, Result<Vec<Cid>>),
+}
+
+fn start_db_thread<S: BitswapStore>(
+ mut store: S,
+) -> (
+ mpsc::UnboundedSender<DbRequest<S::Params>>,
+ mpsc::UnboundedReceiver<DbResponse>,
+) {
+ let (tx, requests) = mpsc::unbounded();
+ let (responses, rx) = mpsc::unbounded();
+ std::thread::spawn(move || {
+ let mut requests: mpsc::UnboundedReceiver<DbRequest<S::Params>> = requests;
+ while let Some(request) = futures::executor::block_on(requests.next()) {
+ match request {
+ DbRequest::Bitswap(channel, request) => {
+ let response = match request.ty {
+ RequestType::Have => {
+ let have = store.contains(&request.cid).ok().unwrap_or_default();
+ if have {
+ RESPONSES_TOTAL.with_label_values(&["have"]).inc();
+ } else {
+ RESPONSES_TOTAL.with_label_values(&["dont_have"]).inc();
+ }
+ tracing::trace!("have {}", have);
+ BitswapResponse::Have(have)
+ }
+ RequestType::Block => {
+ let block = store.get(&request.cid).ok().unwrap_or_default();
+ if let Some(data) = block {
+ RESPONSES_TOTAL.with_label_values(&["block"]).inc();
+ SENT_BLOCK_BYTES.inc_by(data.len() as u64);
+ tracing::trace!("block {}", data.len());
+ BitswapResponse::Block(data)
+ } else {
+ RESPONSES_TOTAL.with_label_values(&["dont_have"]).inc();
+ tracing::trace!("have false");
+ BitswapResponse::Have(false)
+ }
+ }
+ };
+ responses
+ .unbounded_send(DbResponse::Bitswap(channel, response))
+ .ok();
+ }
+ DbRequest::Insert(block) => {
+ if let Err(err) = store.insert(&block) {
+ tracing::error!("error inserting blocks {}", err);
+ }
+ }
+ DbRequest::MissingBlocks(id, cid) => {
+ let res = store.missing_blocks(&cid);
+ responses
+ .unbounded_send(DbResponse::MissingBlocks(id, res))
+ .ok();
+ }
+ }
+ }
+ });
+ (tx, rx)
+}
+
+impl<P: StoreParams> Bitswap<P> {
+ /// Processes an incoming bitswap request.
+ fn inject_request(&mut self, channel: BitswapChannel, request: BitswapRequest) {
+ self.db_tx
+ .unbounded_send(DbRequest::Bitswap(channel, request))
+ .ok();
+ }
+
+ /// Processes an incoming bitswap response.
+ fn inject_response(&mut self, id: BitswapId, peer: PeerId, response: BitswapResponse) {
+ if let Some(id) = self.requests.remove(&id) {
+ match response {
+ BitswapResponse::Have(have) => {
+ self.query_manager
+ .inject_response(id, Response::Have(peer, have));
+ }
+ BitswapResponse::Block(data) => {
+ if let Some(info) = self.query_manager.query_info(id) {
+ let len = data.len();
+ if let Ok(block) = Block::new(info.cid, data) {
+ RECEIVED_BLOCK_BYTES.inc_by(len as u64);
+ self.db_tx.unbounded_send(DbRequest::Insert(block)).ok();
+ self.query_manager
+ .inject_response(id, Response::Block(peer, true));
+ } else {
+ tracing::error!("received invalid block");
+ RECEIVED_INVALID_BLOCK_BYTES.inc_by(len as u64);
+ self.query_manager
+ .inject_response(id, Response::Block(peer, false));
+ }
+ }
+ }
+ }
+ }
+ }
+
+ fn inject_outbound_failure(
+ &mut self,
+ peer: &PeerId,
+ request_id: OutboundRequestId,
+ error: &OutboundFailure,
+ ) {
+ tracing::debug!(
+ "bitswap outbound failure {} {} {:?}",
+ peer,
+ request_id,
+ error
+ );
+ match error {
+ OutboundFailure::DialFailure => {
+ OUTBOUND_FAILURE.with_label_values(&["dial_failure"]).inc();
+ }
+ OutboundFailure::Timeout => {
+ OUTBOUND_FAILURE.with_label_values(&["timeout"]).inc();
+ }
+ OutboundFailure::ConnectionClosed => {
+ OUTBOUND_FAILURE
+ .with_label_values(&["connection_closed"])
+ .inc();
+ }
+ OutboundFailure::UnsupportedProtocols => {
+ OUTBOUND_FAILURE
+ .with_label_values(&["unsupported_protocols"])
+ .inc();
+ }
+ OutboundFailure::Io(_) => {
+ INBOUND_FAILURE.with_label_values(&["io_error"]).inc();
+ }
+ }
+ }
+
+ fn inject_inbound_failure(
+ &mut self,
+ peer: &PeerId,
+ request_id: InboundRequestId,
+ error: &InboundFailure,
+ ) {
+ tracing::error!(
+ "bitswap inbound failure {} {} {:?}",
+ peer,
+ request_id,
+ error
+ );
+ match error {
+ InboundFailure::Timeout => {
+ INBOUND_FAILURE.with_label_values(&["timeout"]).inc();
+ }
+ InboundFailure::ConnectionClosed => {
+ INBOUND_FAILURE
+ .with_label_values(&["connection_closed"])
+ .inc();
+ }
+ InboundFailure::UnsupportedProtocols => {
+ INBOUND_FAILURE
+ .with_label_values(&["unsupported_protocols"])
+ .inc();
+ }
+ InboundFailure::ResponseOmission => {
+ INBOUND_FAILURE
+ .with_label_values(&["response_omission"])
+ .inc();
+ }
+ InboundFailure::Io(_) => {
+ INBOUND_FAILURE.with_label_values(&["io_error"]).inc();
+ }
+ }
+ }
+}
+
+impl<P: StoreParams> NetworkBehaviour for Bitswap<P> {
+ #[cfg(not(feature = "compat"))]
+ type ConnectionHandler =
+ <request_response::Behaviour<BitswapCodec<P>> as NetworkBehaviour>::ConnectionHandler;
+
+ #[cfg(feature = "compat")]
+ #[allow(clippy::type_complexity)]
+ type ConnectionHandler = ConnectionHandlerSelect<
+ <RequestResponse<BitswapCodec<P>> as NetworkBehaviour>::ConnectionHandler,
+ OneShotHandler<CompatProtocol, CompatMessage, InboundMessage>,
+ >;
+ type ToSwarm = BitswapEvent;
+
+ fn handle_pending_inbound_connection(
+ &mut self,
+ connection_id: ConnectionId,
+ local_addr: &Multiaddr,
+ remote_addr: &Multiaddr,
+ ) -> Result<(), ConnectionDenied> {
+ self.inner
+ .handle_pending_inbound_connection(connection_id, local_addr, remote_addr)
+ }
+
+ fn handle_established_inbound_connection(
+ &mut self,
+ connection_id: ConnectionId,
+ peer: PeerId,
+ local_addr: &Multiaddr,
+ remote_addr: &Multiaddr,
+ ) -> Result<THandler<Self>, ConnectionDenied> {
+ self.inner.handle_established_inbound_connection(
+ connection_id,
+ peer,
+ local_addr,
+ remote_addr,
+ )
+ }
+
+ fn handle_pending_outbound_connection(
+ &mut self,
+ connection_id: ConnectionId,
+ maybe_peer: Option<PeerId>,
+ addresses: &[Multiaddr],
+ effective_role: Endpoint,
+ ) -> Result<Vec<Multiaddr>, ConnectionDenied> {
+ self.inner.handle_pending_outbound_connection(
+ connection_id,
+ maybe_peer,
+ addresses,
+ effective_role,
+ )
+ }
+
+ fn handle_established_outbound_connection(
+ &mut self,
+ connection_id: ConnectionId,
+ peer: PeerId,
+ addr: &Multiaddr,
+ role_override: Endpoint,
+ ) -> Result<THandler<Self>, ConnectionDenied> {
+ self.inner
+ .handle_established_outbound_connection(connection_id, peer, addr, role_override)
+ }
+
+ fn on_swarm_event(&mut self, event: FromSwarm) {
+ match event {
+ FromSwarm::ConnectionEstablished(ev) => self
+ .inner
+ .on_swarm_event(FromSwarm::ConnectionEstablished(ev)),
+ FromSwarm::ConnectionClosed(ConnectionClosed {
+ peer_id,
+ connection_id,
+ endpoint,
+ remaining_established,
+ }) => {
+ #[cfg(feature = "compat")]
+ if remaining_established == 0 {
+ self.compat.remove(&peer_id);
+ }
+ #[cfg(feature = "compat")]
+ let (handler, _oneshot) = handler.into_inner();
+ self.inner
+ .on_swarm_event(FromSwarm::ConnectionClosed(ConnectionClosed {
+ peer_id,
+ connection_id,
+ endpoint,
+ remaining_established,
+ }));
+ }
+ FromSwarm::DialFailure(DialFailure {
+ peer_id,
+ connection_id,
+ error,
+ }) => {
+ #[cfg(feature = "compat")]
+ let (handler, _oneshot) = handler.into_inner();
+ self.inner
+ .on_swarm_event(FromSwarm::DialFailure(DialFailure {
+ peer_id,
+ connection_id,
+ error,
+ }));
+ }
+ FromSwarm::AddressChange(ev) => self.inner.on_swarm_event(FromSwarm::AddressChange(ev)),
+ FromSwarm::ListenFailure(ListenFailure {
+ local_addr,
+ send_back_addr,
+ error,
+ connection_id,
+ }) => {
+ #[cfg(feature = "compat")]
+ let (handler, _oneshot) = handler.into_inner();
+ self.inner
+ .on_swarm_event(FromSwarm::ListenFailure(ListenFailure {
+ local_addr,
+ send_back_addr,
+ error,
+ connection_id,
+ }));
+ }
+ FromSwarm::NewListener(ev) => self.inner.on_swarm_event(FromSwarm::NewListener(ev)),
+ FromSwarm::NewListenAddr(ev) => self.inner.on_swarm_event(FromSwarm::NewListenAddr(ev)),
+ FromSwarm::ExpiredListenAddr(ev) => {
+ self.inner.on_swarm_event(FromSwarm::ExpiredListenAddr(ev))
+ }
+ FromSwarm::ListenerError(ev) => self.inner.on_swarm_event(FromSwarm::ListenerError(ev)),
+ FromSwarm::ListenerClosed(ev) => {
+ self.inner.on_swarm_event(FromSwarm::ListenerClosed(ev))
+ }
+ _ => {}
+ }
+ }
+
+ fn on_connection_handler_event(
+ &mut self,
+ peer_id: PeerId,
+ conn: ConnectionId,
+ event: THandlerOutEvent<Self>,
+ ) {
+ #[cfg(not(feature = "compat"))]
+ return self.inner.on_connection_handler_event(peer_id, conn, event);
+ #[cfg(feature = "compat")]
+ match event {
+ EitherOutput::First(event) => {
+ self.inner.on_connection_handler_event(peer_id, conn, event)
+ }
+ EitherOutput::Second(msg) => {
+ for msg in msg.0 {
+ match msg {
+ CompatMessage::Request(req) => {
+ tracing::trace!("received compat request");
+ self.inject_request(BitswapChannel::Compat(peer_id, req.cid), req);
+ }
+ CompatMessage::Response(cid, res) => {
+ tracing::trace!("received compat response");
+ self.inject_response(BitswapId::Compat(cid), peer_id, res);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ fn poll(&mut self, cx: &mut Context) -> Poll<ToSwarm<Self::ToSwarm, THandlerInEvent<Self>>> {
+ let mut exit = false;
+ while !exit {
+ exit = true;
+ while let Poll::Ready(Some(response)) = Pin::new(&mut self.db_rx).poll_next(cx) {
+ exit = false;
+ match response {
+ DbResponse::Bitswap(channel, response) => match channel {
+ BitswapChannel::Bitswap(channel) => {
+ self.inner.send_response(channel, response).ok();
+ }
+ #[cfg(feature = "compat")]
+ BitswapChannel::Compat(peer_id, cid) => {
+ let compat = CompatMessage::Response(cid, response);
+ return Poll::Ready(FromSwarm::NotifyHandler {
+ peer_id,
+ handler: NotifyHandler::Any,
+ event: EitherOutput::Second(compat),
+ });
+ }
+ },
+ DbResponse::MissingBlocks(id, res) => match res {
+ Ok(missing) => {
+ MISSING_BLOCKS_TOTAL.inc_by(missing.len() as u64);
+ self.query_manager
+ .inject_response(id, Response::MissingBlocks(missing));
+ }
+ Err(err) => {
+ self.query_manager.cancel(id);
+ let event = BitswapEvent::Complete(id, Err(err));
+ return Poll::Ready(ToSwarm::GenerateEvent(event));
+ }
+ },
+ }
+ }
+ while let Some(query) = self.query_manager.next() {
+ exit = false;
+ match query {
+ QueryEvent::Request(id, req) => match req {
+ Request::Have(peer_id, cid) => {
+ let req = BitswapRequest {
+ ty: RequestType::Have,
+ cid,
+ };
+ let rid = self.inner.send_request(&peer_id, req);
+ self.requests.insert(BitswapId::Bitswap(rid), id);
+ }
+ Request::Block(peer_id, cid) => {
+ let req = BitswapRequest {
+ ty: RequestType::Block,
+ cid,
+ };
+ let rid = self.inner.send_request(&peer_id, req);
+ self.requests.insert(BitswapId::Bitswap(rid), id);
+ }
+ Request::MissingBlocks(cid) => {
+ self.db_tx
+ .unbounded_send(DbRequest::MissingBlocks(id, cid))
+ .ok();
+ }
+ },
+ QueryEvent::Progress(id, missing) => {
+ let event = BitswapEvent::Progress(id, missing);
+ return Poll::Ready(ToSwarm::GenerateEvent(event));
+ }
+ QueryEvent::Complete(id, res) => {
+ if res.is_err() {
+ BLOCK_NOT_FOUND.inc();
+ }
+ let event = BitswapEvent::Complete(
+ id,
+ res.map_err(|cid| BlockNotFound(cid).into()),
+ );
+ return Poll::Ready(ToSwarm::GenerateEvent(event));
+ }
+ }
+ }
+ while let Poll::Ready(event) = self.inner.poll(cx) {
+ exit = false;
+
+ let event = match event {
+ ToSwarm::GenerateEvent(event) => event,
+ other => return Poll::Ready(other.map_out(|_| unreachable!())),
+ };
+
+ match event {
+ request_response::Event::Message { peer, message } => match message {
+ request_response::Message::Request {
+ request_id: _,
+ request,
+ channel,
+ } => self.inject_request(BitswapChannel::Bitswap(channel), request),
+ request_response::Message::Response {
+ request_id,
+ response,
+ } => self.inject_response(BitswapId::Bitswap(request_id), peer, response),
+ },
+ request_response::Event::ResponseSent { .. } => {}
+ request_response::Event::OutboundFailure {
+ peer,
+ request_id,
+ error,
+ } => {
+ self.inject_outbound_failure(&peer, request_id, &error);
+ #[cfg(feature = "compat")]
+ if let OutboundFailure::UnsupportedProtocols = error {
+ if let Some(id) = self.requests.remove(&BitswapId::Bitswap(request_id))
+ {
+ if let Some(info) = self.query_manager.query_info(id) {
+ let ty = match info.label {
+ "have" => RequestType::Have,
+ "block" => RequestType::Block,
+ _ => unreachable!(),
+ };
+ let request = BitswapRequest { ty, cid: info.cid };
+ self.requests.insert(BitswapId::Compat(info.cid), id);
+ tracing::trace!("adding compat peer {}", peer);
+ self.compat.insert(peer);
+ return Poll::Ready(FromSwarm::NotifyHandler {
+ peer_id: peer,
+ handler: NotifyHandler::Any,
+ event: EitherOutput::Second(CompatMessage::Request(
+ request,
+ )),
+ });
+ }
+ }
+ }
+ if let Some(id) = self.requests.remove(&BitswapId::Bitswap(request_id)) {
+ self.query_manager
+ .inject_response(id, Response::Have(peer, false));
+ }
+ }
+ request_response::Event::InboundFailure {
+ peer,
+ request_id,
+ error,
+ } => {
+ self.inject_inbound_failure(&peer, request_id, &error);
+ }
+ }
+ }
+ }
+ Poll::Pending
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use async_std::task;
+ use futures::prelude::*;
+ use libipld::block::Block;
+ use libipld::cbor::DagCborCodec;
+ use libipld::ipld;
+ use libipld::ipld::Ipld;
+ use libipld::multihash::Code;
+ use libipld::store::DefaultParams;
+ use libp2p::identity;
+ use libp2p::swarm::SwarmEvent;
+ use libp2p::tcp::{self};
+ use libp2p::{noise, yamux, PeerId, Swarm};
+ use std::sync::{Arc, Mutex};
+ use std::time::Duration;
+
+ fn tracing_try_init() {
+ tracing_subscriber::fmt()
+ .with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
+ .try_init()
+ .ok();
+ }
+
+ fn create_block(ipld: Ipld) -> Block<DefaultParams> {
+ Block::encode(DagCborCodec, Code::Blake3_256, &ipld).unwrap()
+ }
+
+ #[derive(Clone, Default)]
+ struct Store(Arc<Mutex<FnvHashMap<Cid, Vec<u8>>>>);
+
+ impl BitswapStore for Store {
+ type Params = DefaultParams;
+ fn contains(&mut self, cid: &Cid) -> Result<bool> {
+ Ok(self.0.lock().unwrap().contains_key(cid))
+ }
+ fn get(&mut self, cid: &Cid) -> Result<Option<Vec<u8>>> {
+ Ok(self.0.lock().unwrap().get(cid).cloned())
+ }
+ fn insert(&mut self, block: &Block<Self::Params>) -> Result<()> {
+ self.0
+ .lock()
+ .unwrap()
+ .insert(*block.cid(), block.data().to_vec());
+ Ok(())
+ }
+ fn missing_blocks(&mut self, cid: &Cid) -> Result<Vec<Cid>> {
+ let mut stack = vec![*cid];
+ let mut missing = vec![];
+ while let Some(cid) = stack.pop() {
+ if let Some(data) = self.get(&cid)? {
+ let block = Block::<Self::Params>::new_unchecked(cid, data);
+ block.references(&mut stack)?;
+ } else {
+ missing.push(cid);
+ }
+ }
+ Ok(missing)
+ }
+ }
+
+ struct Peer {
+ peer_id: PeerId,
+ addr: Multiaddr,
+ store: Store,
+ swarm: Swarm<Bitswap<DefaultParams>>,
+ }
+
+ impl Peer {
+ fn new() -> Self {
+ // Create a public/private key pair, either random or based on a seed.
+ let id_keys = identity::Keypair::generate_ed25519();
+ let peer_id = id_keys.public().to_peer_id();
+ let store = Store::default();
+
+ let mut swarm = libp2p::SwarmBuilder::with_existing_identity(id_keys)
+ .with_async_std()
+ .with_tcp(
+ tcp::Config::default(),
+ noise::Config::new,
+ yamux::Config::default,
+ )
+ .unwrap()
+ .with_behaviour(|_| Bitswap::new(BitswapConfig::new(), store.clone()))
+ .unwrap()
+ .with_swarm_config(|c| c.with_idle_connection_timeout(Duration::from_secs(60)))
+ .build();
+
+ Swarm::listen_on(&mut swarm, "/ip4/127.0.0.1/tcp/0".parse().unwrap()).unwrap();
+ while swarm.next().now_or_never().is_some() {}
+ let addr = Swarm::listeners(&swarm).next().unwrap().clone();
+ Self {
+ peer_id,
+ addr,
+ store,
+ swarm,
+ }
+ }
+
+ fn add_address(&mut self, peer: &Peer) {
+ self.swarm
+ .behaviour_mut()
+ .add_address(&peer.peer_id, peer.addr.clone());
+ }
+
+ fn store(&mut self) -> impl std::ops::DerefMut<Target = FnvHashMap<Cid, Vec<u8>>> + '_ {
+ self.store.0.lock().unwrap()
+ }
+
+ fn swarm(&mut self) -> &mut Swarm<Bitswap<DefaultParams>> {
+ &mut self.swarm
+ }
+
+ fn spawn(mut self, name: &'static str) -> PeerId {
+ let peer_id = self.peer_id;
+ task::spawn(async move {
+ loop {
+ let event = self.swarm.next().await;
+ tracing::debug!("{}: {:?}", name, event);
+ }
+ });
+ peer_id
+ }
+
+ async fn next(&mut self) -> Option<BitswapEvent> {
+ loop {
+ let ev = self.swarm.next().await?;
+ if let SwarmEvent::Behaviour(event) = ev {
+ return Some(event);
+ }
+ }
+ }
+ }
+
+ fn assert_progress(event: Option<BitswapEvent>, id: QueryId, missing: usize) {
+ if let Some(BitswapEvent::Progress(id2, missing2)) = event {
+ assert_eq!(id2, id);
+ assert_eq!(missing2, missing);
+ } else {
+ panic!("{:?} is not a progress event", event);
+ }
+ }
+
+ fn assert_complete_ok(event: Option<BitswapEvent>, id: QueryId) {
+ if let Some(BitswapEvent::Complete(id2, Ok(()))) = event {
+ assert_eq!(id2, id);
+ } else {
+ panic!("{:?} is not a complete event", event);
+ }
+ }
+
+ #[async_std::test]
+ async fn test_bitswap_get() {
+ tracing_try_init();
+ let mut peer1 = Peer::new();
+ let mut peer2 = Peer::new();
+ peer2.add_address(&peer1);
+
+ let block = create_block(ipld!(&b"hello world"[..]));
+ peer1.store().insert(*block.cid(), block.data().to_vec());
+ let peer1 = peer1.spawn("peer1");
+
+ let id = peer2
+ .swarm()
+ .behaviour_mut()
+ .get(*block.cid(), std::iter::once(peer1));
+
+ assert_complete_ok(peer2.next().await, id);
+ }
+
+ #[async_std::test]
+ async fn test_bitswap_cancel_get() {
+ tracing_try_init();
+ let mut peer1 = Peer::new();
+ let mut peer2 = Peer::new();
+ peer2.add_address(&peer1);
+
+ let block = create_block(ipld!(&b"hello world"[..]));
+ peer1.store().insert(*block.cid(), block.data().to_vec());
+ let peer1 = peer1.spawn("peer1");
+
+ let id = peer2
+ .swarm()
+ .behaviour_mut()
+ .get(*block.cid(), std::iter::once(peer1));
+ peer2.swarm().behaviour_mut().cancel(id);
+ let res = peer2.next().now_or_never();
+ println!("{:?}", res);
+ assert!(res.is_none());
+ }
+
+ #[async_std::test]
+ async fn test_bitswap_sync() {
+ tracing_try_init();
+ let mut peer1 = Peer::new();
+ let mut peer2 = Peer::new();
+ peer2.add_address(&peer1);
+
+ let b0 = create_block(ipld!({
+ "n": 0,
+ }));
+ let b1 = create_block(ipld!({
+ "prev": b0.cid(),
+ "n": 1,
+ }));
+ let b2 = create_block(ipld!({
+ "prev": b1.cid(),
+ "n": 2,
+ }));
+ peer1.store().insert(*b0.cid(), b0.data().to_vec());
+ peer1.store().insert(*b1.cid(), b1.data().to_vec());
+ peer1.store().insert(*b2.cid(), b2.data().to_vec());
+ let peer1 = peer1.spawn("peer1");
+
+ let id =
+ peer2
+ .swarm()
+ .behaviour_mut()
+ .sync(*b2.cid(), vec![peer1], std::iter::once(*b2.cid()));
+
+ assert_progress(peer2.next().await, id, 1);
+ assert_progress(peer2.next().await, id, 1);
+
+ assert_complete_ok(peer2.next().await, id);
+ }
+
+ #[async_std::test]
+ async fn test_bitswap_cancel_sync() {
+ tracing_try_init();
+ let mut peer1 = Peer::new();
+ let mut peer2 = Peer::new();
+ peer2.add_address(&peer1);
+
+ let block = create_block(ipld!(&b"hello world"[..]));
+ peer1.store().insert(*block.cid(), block.data().to_vec());
+ let peer1 = peer1.spawn("peer1");
+
+ let id = peer2.swarm().behaviour_mut().sync(
+ *block.cid(),
+ vec![peer1],
+ std::iter::once(*block.cid()),
+ );
+ peer2.swarm().behaviour_mut().cancel(id);
+ let res = peer2.next().now_or_never();
+ println!("{:?}", res);
+ assert!(res.is_none());
+ }
+
+ #[cfg(feature = "compat")]
+ #[async_std::test]
+ async fn compat_test() {
+ tracing_try_init();
+ let cid: Cid = "QmP8njGuyiw9cjkhwHD9nZhyBTHufXFanAvZgcy9xYoWiB"
+ .parse()
+ .unwrap();
+ let peer_id: PeerId = "QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ"
+ .parse()
+ .unwrap();
+ let multiaddr: Multiaddr = "/ip4/104.131.131.82/tcp/4001".parse().unwrap();
+
+ let mut peer = Peer::new();
+ peer.swarm()
+ .behaviour_mut()
+ .add_address(&peer_id, multiaddr);
+ let id = peer
+ .swarm()
+ .behaviour_mut()
+ .get(cid, std::iter::once(peer_id));
+ assert_complete_ok(peer.next().await, id);
+ }
+}
diff --git a/ext/libp2p-bitswap/src/compat/bitswap_pb.proto b/ext/libp2p-bitswap/src/compat/bitswap_pb.proto
new file mode 100644
index 000000000..9aae7866e
--- /dev/null
+++ b/ext/libp2p-bitswap/src/compat/bitswap_pb.proto
@@ -0,0 +1,44 @@
+syntax = "proto3";
+
+package bitswap_pb;
+
+message Message {
+
+ message Wantlist {
+ enum WantType {
+ Block = 0;
+ Have = 1;
+ }
+
+ message Entry {
+ bytes block = 1; // the block cid (cidV0 in bitswap 1.0.0, cidV1 in bitswap 1.1.0)
+ int32 priority = 2; // the priority (normalized). default to 1
+ bool cancel = 3; // whether this revokes an entry
+ WantType wantType = 4; // Note: defaults to enum 0, ie Block
+ bool sendDontHave = 5; // Note: defaults to false
+ }
+
+ repeated Entry entries = 1; // a list of wantlist entries
+ bool full = 2; // whether this is the full wantlist. default to false
+ }
+
+ message Block {
+ bytes prefix = 1; // CID prefix (cid version, multicodec and multihash prefix (type + length)
+ bytes data = 2;
+ }
+
+ enum BlockPresenceType {
+ Have = 0;
+ DontHave = 1;
+ }
+ message BlockPresence {
+ bytes cid = 1;
+ BlockPresenceType type = 2;
+ }
+
+ Wantlist wantlist = 1;
+ repeated bytes blocks = 2; // used to send Blocks in bitswap 1.0.0
+ repeated Block payload = 3; // used to send Blocks in bitswap 1.1.0
+ repeated BlockPresence blockPresences = 4;
+ int32 pendingBytes = 5;
+}
diff --git a/ext/libp2p-bitswap/src/compat/message.rs b/ext/libp2p-bitswap/src/compat/message.rs
new file mode 100644
index 000000000..0c3f1f944
--- /dev/null
+++ b/ext/libp2p-bitswap/src/compat/message.rs
@@ -0,0 +1,107 @@
+use crate::compat::other;
+use crate::compat::prefix::Prefix;
+use crate::protocol::{BitswapRequest, BitswapResponse, RequestType};
+use libipld::Cid;
+use prost::Message;
+use std::convert::TryFrom;
+use std::io;
+
+mod bitswap_pb {
+ include!(concat!(env!("OUT_DIR"), "/bitswap_pb.rs"));
+}
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum CompatMessage {
+ Request(BitswapRequest),
+ Response(Cid, BitswapResponse),
+}
+
+impl CompatMessage {
+ pub fn to_bytes(&self) -> io::Result<Vec<u8>> {
+ let mut msg = bitswap_pb::Message::default();
+ match self {
+ CompatMessage::Request(BitswapRequest { ty, cid }) => {
+ let mut wantlist = bitswap_pb::message::Wantlist::default();
+ let entry = bitswap_pb::message::wantlist::Entry {
+ block: cid.to_bytes(),
+ want_type: match ty {
+ RequestType::Have => bitswap_pb::message::wantlist::WantType::Have,
+ RequestType::Block => bitswap_pb::message::wantlist::WantType::Block,
+ } as _,
+ send_dont_have: true,
+ cancel: false,
+ priority: 1,
+ };
+ wantlist.entries.push(entry);
+ msg.wantlist = Some(wantlist);
+ }
+ CompatMessage::Response(cid, BitswapResponse::Have(have)) => {
+ let block_presence = bitswap_pb::message::BlockPresence {
+ cid: cid.to_bytes(),
+ r#type: if *have {
+ bitswap_pb::message::BlockPresenceType::Have
+ } else {
+ bitswap_pb::message::BlockPresenceType::DontHave
+ } as _,
+ };
+ msg.block_presences.push(block_presence);
+ }
+ CompatMessage::Response(cid, BitswapResponse::Block(bytes)) => {
+ let payload = bitswap_pb::message::Block {
+ prefix: Prefix::from(cid).to_bytes(),
+ data: bytes.to_vec(),
+ };
+ msg.payload.push(payload);
+ }
+ }
+ let mut bytes = Vec::with_capacity(msg.encoded_len());
+ msg.encode(&mut bytes).map_err(other)?;
+ Ok(bytes)
+ }
+
+ pub fn from_bytes(bytes: &[u8]) -> io::Result<Vec<Self>> {
+ let msg = bitswap_pb::Message::decode(bytes)?;
+ let mut parts = vec![];
+ for entry in msg.wantlist.unwrap_or_default().entries {
+ if !entry.send_dont_have {
+ tracing::error!("message hasn't set `send_dont_have`: skipping");
+ continue;
+ }
+ let cid = Cid::try_from(entry.block).map_err(other)?;
+ let ty = match entry.want_type {
+ ty if bitswap_pb::message::wantlist::WantType::Have as i32 == ty => {
+ RequestType::Have
+ }
+ ty if bitswap_pb::message::wantlist::WantType::Block as i32 == ty => {
+ RequestType::Block
+ }
+ _ => {
+ tracing::error!("invalid request type: skipping");
+ continue;
+ }
+ };
+ parts.push(CompatMessage::Request(BitswapRequest { ty, cid }));
+ }
+ for payload in msg.payload {
+ let prefix = Prefix::new(&payload.prefix)?;
+ let cid = prefix.to_cid(&payload.data)?;
+ parts.push(CompatMessage::Response(
+ cid,
+ BitswapResponse::Block(payload.data.to_vec()),
+ ));
+ }
+ for presence in msg.block_presences {
+ let cid = Cid::try_from(presence.cid).map_err(other)?;
+ let have = match presence.r#type {
+ ty if bitswap_pb::message::BlockPresenceType::Have as i32 == ty => true,
+ ty if bitswap_pb::message::BlockPresenceType::DontHave as i32 == ty => false,
+ _ => {
+ tracing::error!("invalid block presence type: skipping");
+ continue;
+ }
+ };
+ parts.push(CompatMessage::Response(cid, BitswapResponse::Have(have)));
+ }
+ Ok(parts)
+ }
+}
diff --git a/ext/libp2p-bitswap/src/compat/mod.rs b/ext/libp2p-bitswap/src/compat/mod.rs
new file mode 100644
index 000000000..b3400c2a5
--- /dev/null
+++ b/ext/libp2p-bitswap/src/compat/mod.rs
@@ -0,0 +1,10 @@
+mod message;
+mod prefix;
+mod protocol;
+
+pub use message::CompatMessage;
+pub use protocol::{CompatProtocol, InboundMessage};
+
+fn other<E: std::error::Error + Send + Sync + 'static>(e: E) -> std::io::Error {
+ std::io::Error::new(std::io::ErrorKind::Other, e)
+}
diff --git a/ext/libp2p-bitswap/src/compat/prefix.rs b/ext/libp2p-bitswap/src/compat/prefix.rs
new file mode 100644
index 000000000..aeaab7d51
--- /dev/null
+++ b/ext/libp2p-bitswap/src/compat/prefix.rs
@@ -0,0 +1,71 @@
+use crate::compat::other;
+use libipld::cid::{Cid, Version};
+use libipld::multihash::{Code, MultihashDigest};
+use std::convert::TryFrom;
+use std::io::Result;
+use unsigned_varint::{decode as varint_decode, encode as varint_encode};
+
+/// Prefix represents all metadata of a CID, without the actual content.
+#[derive(PartialEq, Eq, Clone, Debug)]
+pub struct Prefix {
+ /// The version of CID.
+ pub version: Version,
+ /// The codec of CID.
+ pub codec: u64,
+ /// The multihash type of CID.
+ pub mh_type: u64,
+ /// The multihash length of CID.
+ pub mh_len: usize,
+}
+
+impl Prefix {
+ /// Create a new prefix from encoded bytes.
+ pub fn new(data: &[u8]) -> Result<Prefix> {
+ let (raw_version, remain) = varint_decode::u64(data).map_err(other)?;
+ let version = Version::try_from(raw_version).map_err(other)?;
+ let (codec, remain) = varint_decode::u64(remain).map_err(other)?;
+ let (mh_type, remain) = varint_decode::u64(remain).map_err(other)?;
+ let (mh_len, _remain) = varint_decode::usize(remain).map_err(other)?;
+ Ok(Prefix {
+ version,
+ codec,
+ mh_type,
+ mh_len,
+ })
+ }
+
+ /// Convert the prefix to encoded bytes.
+ pub fn to_bytes(&self) -> Vec<u8> {
+ let mut res = Vec::with_capacity(4);
+ let mut buf = varint_encode::u64_buffer();
+ let version = varint_encode::u64(self.version.into(), &mut buf);
+ res.extend_from_slice(version);
+ let mut buf = varint_encode::u64_buffer();
+ let codec = varint_encode::u64(self.codec, &mut buf);
+ res.extend_from_slice(codec);
+ let mut buf = varint_encode::u64_buffer();
+ let mh_type = varint_encode::u64(self.mh_type, &mut buf);
+ res.extend_from_slice(mh_type);
+ let mut buf = varint_encode::u64_buffer();
+ let mh_len = varint_encode::u64(self.mh_len as u64, &mut buf);
+ res.extend_from_slice(mh_len);
+ res
+ }
+
+ /// Create a CID out of the prefix and some data that will be hashed
+ pub fn to_cid(&self, data: &[u8]) -> Result<Cid> {
+ let mh = Code::try_from(self.mh_type).map_err(other)?.digest(data);
+ Cid::new(self.version, self.codec, mh).map_err(other)
+ }
+}
+
+impl From<&Cid> for Prefix {
+ fn from(cid: &Cid) -> Self {
+ Self {
+ version: cid.version(),
+ codec: cid.codec(),
+ mh_type: cid.hash().code(),
+ mh_len: cid.hash().digest().len(),
+ }
+ }
+}
diff --git a/ext/libp2p-bitswap/src/compat/protocol.rs b/ext/libp2p-bitswap/src/compat/protocol.rs
new file mode 100644
index 000000000..557e220b5
--- /dev/null
+++ b/ext/libp2p-bitswap/src/compat/protocol.rs
@@ -0,0 +1,116 @@
+use crate::compat::{other, CompatMessage};
+use futures::future::BoxFuture;
+use futures::io::{AsyncRead, AsyncWrite, AsyncWriteExt};
+use libp2p::core::{upgrade, InboundUpgrade, OutboundUpgrade, UpgradeInfo};
+use std::{io, iter};
+
+// Undocumented, but according to JS we our messages have a max size of 512*1024
+// https://github.com/ipfs/js-ipfs-bitswap/blob/d8f80408aadab94c962f6b88f343eb9f39fa0fcc/src/decision-engine/index.js#L16
+const MAX_BUF_SIZE: usize = 524_288;
+
+#[derive(Clone, Debug, Default)]
+pub struct CompatProtocol;
+
+impl UpgradeInfo for CompatProtocol {
+ type Info = &'static [u8];
+ type InfoIter = iter::Once<Self::Info>;
+
+ fn protocol_info(&self) -> Self::InfoIter {
+ iter::once(b"/ipfs/bitswap/1.2.0")
+ }
+}
+
+impl<TSocket> InboundUpgrade<TSocket> for CompatProtocol
+where
+ TSocket: AsyncRead + AsyncWrite + Send + Unpin + 'static,
+{
+ type Output = InboundMessage;
+ type Error = io::Error;
+ type Future = BoxFuture<'static, Result<Self::Output, Self::Error>>;
+
+ fn upgrade_inbound(self, mut socket: TSocket, _info: Self::Info) -> Self::Future {
+ Box::pin(async move {
+ let packet = upgrade::read_length_prefixed(&mut socket, MAX_BUF_SIZE)
+ .await
+ .map_err(other)?;
+ socket.close().await?;
+ let message = CompatMessage::from_bytes(&packet)?;
+ Ok(InboundMessage(message))
+ })
+ }
+}
+
+impl UpgradeInfo for CompatMessage {
+ type Info = &'static [u8];
+ type InfoIter = iter::Once<Self::Info>;
+
+ fn protocol_info(&self) -> Self::InfoIter {
+ iter::once(b"/ipfs/bitswap/1.2.0")
+ }
+}
+
+impl<TSocket> OutboundUpgrade<TSocket> for CompatMessage
+where
+ TSocket: AsyncRead + AsyncWrite + Send + Unpin + 'static,
+{
+ type Output = ();
+ type Error = io::Error;
+ type Future = BoxFuture<'static, Result<Self::Output, Self::Error>>;
+
+ fn upgrade_outbound(self, mut socket: TSocket, _info: Self::Info) -> Self::Future {
+ Box::pin(async move {
+ let bytes = self.to_bytes()?;
+ upgrade::write_length_prefixed(&mut socket, bytes).await?;
+ socket.close().await?;
+ Ok(())
+ })
+ }
+}
+
+#[derive(Debug)]
+pub struct InboundMessage(pub Vec<CompatMessage>);
+
+impl From<()> for InboundMessage {
+ fn from(_: ()) -> Self {
+ Self(Default::default())
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use crate::protocol::{BitswapRequest, RequestType};
+ use async_std::net::{TcpListener, TcpStream};
+ use futures::prelude::*;
+ use libipld::Cid;
+ use libp2p::core::upgrade;
+
+ #[async_std::test]
+ async fn test_upgrade() {
+ let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
+ let listener_addr = listener.local_addr().unwrap();
+
+ let server = async move {
+ let incoming = listener.incoming().into_future().await.0.unwrap().unwrap();
+ upgrade::apply_inbound(incoming, CompatProtocol)
+ .await
+ .unwrap();
+ };
+
+ let client = async move {
+ let stream = TcpStream::connect(&listener_addr).await.unwrap();
+ upgrade::apply_outbound(
+ stream,
+ CompatMessage::Request(BitswapRequest {
+ ty: RequestType::Have,
+ cid: Cid::default(),
+ }),
+ upgrade::Version::V1,
+ )
+ .await
+ .unwrap();
+ };
+
+ future::select(Box::pin(server), Box::pin(client)).await;
+ }
+}
diff --git a/ext/libp2p-bitswap/src/lib.rs b/ext/libp2p-bitswap/src/lib.rs
new file mode 100644
index 000000000..4c10d3e81
--- /dev/null
+++ b/ext/libp2p-bitswap/src/lib.rs
@@ -0,0 +1,15 @@
+//! Bitswap protocol implementation
+#![deny(missing_docs)]
+#![deny(warnings)]
+#![allow(clippy::derive_partial_eq_without_eq)]
+
+mod behaviour;
+#[cfg(feature = "compat")]
+mod compat;
+mod protocol;
+mod query;
+mod stats;
+
+pub use crate::behaviour::{Bitswap, BitswapConfig, BitswapEvent, BitswapStore, Channel};
+pub use crate::protocol::{BitswapRequest, BitswapResponse};
+pub use crate::query::QueryId;
diff --git a/ext/libp2p-bitswap/src/protocol.rs b/ext/libp2p-bitswap/src/protocol.rs
new file mode 100644
index 000000000..5209bcc9a
--- /dev/null
+++ b/ext/libp2p-bitswap/src/protocol.rs
@@ -0,0 +1,282 @@
+use async_trait::async_trait;
+use futures::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
+use libipld::cid::Cid;
+use libipld::store::StoreParams;
+use libp2p::request_response;
+use std::convert::TryFrom;
+use std::io::{self, Write};
+use std::marker::PhantomData;
+use thiserror::Error;
+use unsigned_varint::{aio, io::ReadError};
+
+// version codec hash size (u64 varint is max 10 bytes) + digest
+const MAX_CID_SIZE: usize = 4 * 10 + 64;
+
+#[derive(Clone, Debug)]
+pub struct BitswapProtocol;
+
+impl AsRef<str> for BitswapProtocol {
+ fn as_ref(&self) -> &str {
+ "/ipfs-embed/bitswap/1.0.0"
+ }
+}
+
+#[derive(Clone)]
+pub struct BitswapCodec<P> {
+ _marker: PhantomData<P>,
+ buffer: Vec<u8>,
+}
+
+impl<P: StoreParams> Default for BitswapCodec<P> {
+ fn default() -> Self {
+ let capacity = usize::max(P::MAX_BLOCK_SIZE, MAX_CID_SIZE) + 1;
+ debug_assert!(capacity <= u32::MAX as usize);
+ Self {
+ _marker: PhantomData,
+ buffer: Vec::with_capacity(capacity),
+ }
+ }
+}
+
+#[async_trait]
+impl<P: StoreParams> request_response::Codec for BitswapCodec<P> {
+ type Protocol = BitswapProtocol;
+ type Request = BitswapRequest;
+ type Response = BitswapResponse;
+
+ async fn read_request<T>(&mut self, _: &Self::Protocol, io: &mut T) -> io::Result<Self::Request>
+ where
+ T: AsyncRead + Send + Unpin,
+ {
+ let msg_len = u32_to_usize(aio::read_u32(&mut *io).await.map_err(|e| match e {
+ ReadError::Io(e) => e,
+ err => other(err),
+ })?);
+ if msg_len > MAX_CID_SIZE + 1 {
+ return Err(invalid_data(MessageTooLarge(msg_len)));
+ }
+ self.buffer.resize(msg_len, 0);
+ io.read_exact(&mut self.buffer).await?;
+ let request = BitswapRequest::from_bytes(&self.buffer).map_err(invalid_data)?;
+ Ok(request)
+ }
+
+ async fn read_response<T>(
+ &mut self,
+ _: &Self::Protocol,
+ io: &mut T,
+ ) -> io::Result<Self::Response>
+ where
+ T: AsyncRead + Send + Unpin,
+ {
+ let msg_len = u32_to_usize(aio::read_u32(&mut *io).await.map_err(|e| match e {
+ ReadError::Io(e) => e,
+ err => other(err),
+ })?);
+ if msg_len > P::MAX_BLOCK_SIZE + 1 {
+ return Err(invalid_data(MessageTooLarge(msg_len)));
+ }
+ self.buffer.resize(msg_len, 0);
+ io.read_exact(&mut self.buffer).await?;
+ let response = BitswapResponse::from_bytes(&self.buffer).map_err(invalid_data)?;
+ Ok(response)
+ }
+
+ async fn write_request<T>(
+ &mut self,
+ _: &Self::Protocol,
+ io: &mut T,
+ req: Self::Request,
+ ) -> io::Result<()>
+ where
+ T: AsyncWrite + Send + Unpin,
+ {
+ self.buffer.clear();
+ req.write_to(&mut self.buffer)?;
+ if self.buffer.len() > MAX_CID_SIZE + 1 {
+ return Err(invalid_data(MessageTooLarge(self.buffer.len())));
+ }
+ let mut buf = unsigned_varint::encode::u32_buffer();
+ let msg_len = unsigned_varint::encode::u32(self.buffer.len() as u32, &mut buf);
+ io.write_all(msg_len).await?;
+ io.write_all(&self.buffer).await?;
+ Ok(())
+ }
+
+ async fn write_response<T>(
+ &mut self,
+ _: &Self::Protocol,
+ io: &mut T,
+ res: Self::Response,
+ ) -> io::Result<()>
+ where
+ T: AsyncWrite + Send + Unpin,
+ {
+ self.buffer.clear();
+ res.write_to(&mut self.buffer)?;
+ if self.buffer.len() > P::MAX_BLOCK_SIZE + 1 {
+ return Err(invalid_data(MessageTooLarge(self.buffer.len())));
+ }
+ let mut buf = unsigned_varint::encode::u32_buffer();
+ let msg_len = unsigned_varint::encode::u32(self.buffer.len() as u32, &mut buf);
+ io.write_all(msg_len).await?;
+ io.write_all(&self.buffer).await?;
+ Ok(())
+ }
+}
+
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+pub enum RequestType {
+ Have,
+ Block,
+}
+
+/// A request sent to another peer.
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+pub struct BitswapRequest {
+ /// type of request: have or block
+ pub ty: RequestType,
+ /// CID the request is for
+ pub cid: Cid,
+}
+
+impl BitswapRequest {
+ /// write binary representation of the request
+ pub fn write_to<W: Write>(&self, w: &mut W) -> io::Result<()> {
+ match self {
+ BitswapRequest {
+ ty: RequestType::Have,
+ cid,
+ } => {
+ w.write_all(&[0])?;
+ cid.write_bytes(&mut *w).map_err(other)?;
+ }
+ BitswapRequest {
+ ty: RequestType::Block,
+ cid,
+ } => {
+ w.write_all(&[1])?;
+ cid.write_bytes(&mut *w).map_err(other)?;
+ }
+ }
+ Ok(())
+ }
+
+ /// read back binary representation of the request
+ pub fn from_bytes(bytes: &[u8]) -> io::Result<Self> {
+ let ty = match bytes[0] {
+ 0 => RequestType::Have,
+ 1 => RequestType::Block,
+ c => return Err(invalid_data(UnknownMessageType(c))),
+ };
+ let cid = Cid::try_from(&bytes[1..]).map_err(invalid_data)?;
+ Ok(Self { ty, cid })
+ }
+}
+
+/// Response to a [BitswapRequest]
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum BitswapResponse {
+ /// block presence
+ Have(bool),
+ /// block bytes
+ Block(Vec<u8>),
+}
+
+impl BitswapResponse {
+ /// write binary representation of the request
+ pub fn write_to<W: Write>(&self, w: &mut W) -> io::Result<()> {
+ match self {
+ BitswapResponse::Have(have) => {
+ if *have {
+ w.write_all(&[0])?;
+ } else {
+ w.write_all(&[2])?;
+ }
+ }
+ BitswapResponse::Block(data) => {
+ w.write_all(&[1])?;
+ w.write_all(data)?;
+ }
+ };
+ Ok(())
+ }
+
+ /// read back binary representation of the request
+ pub fn from_bytes(bytes: &[u8]) -> io::Result<Self> {
+ let res = match bytes[0] {
+ 0 | 2 => BitswapResponse::Have(bytes[0] == 0),
+ 1 => BitswapResponse::Block(bytes[1..].to_vec()),
+ c => return Err(invalid_data(UnknownMessageType(c))),
+ };
+ Ok(res)
+ }
+}
+
+fn invalid_data<E: std::error::Error + Send + Sync + 'static>(e: E) -> io::Error {
+ io::Error::new(io::ErrorKind::InvalidData, e)
+}
+
+fn other<E: std::error::Error + Send + Sync + 'static>(e: E) -> io::Error {
+ io::Error::new(io::ErrorKind::Other, e)
+}
+
+#[cfg(any(target_pointer_width = "64", target_pointer_width = "32"))]
+fn u32_to_usize(n: u32) -> usize {
+ n as usize
+}
+
+#[derive(Debug, Error)]
+#[error("unknown message type {0}")]
+pub struct UnknownMessageType(u8);
+
+#[derive(Debug, Error)]
+#[error("message too large {0}")]
+pub struct MessageTooLarge(usize);
+
+#[cfg(test)]
+pub(crate) mod tests {
+ use super::*;
+ use libipld::multihash::Code;
+ use multihash::MultihashDigest;
+
+ pub fn create_cid(bytes: &[u8]) -> Cid {
+ let digest = Code::Blake3_256.digest(bytes);
+ Cid::new_v1(0x55, digest)
+ }
+
+ #[test]
+ fn test_request_encode_decode() {
+ let requests = [
+ BitswapRequest {
+ ty: RequestType::Have,
+ cid: create_cid(&b"have_request"[..]),
+ },
+ BitswapRequest {
+ ty: RequestType::Block,
+ cid: create_cid(&b"block_request"[..]),
+ },
+ ];
+ let mut buf = Vec::with_capacity(MAX_CID_SIZE + 1);
+ for request in &requests {
+ buf.clear();
+ request.write_to(&mut buf).unwrap();
+ assert_eq!(&BitswapRequest::from_bytes(&buf).unwrap(), request);
+ }
+ }
+
+ #[test]
+ fn test_response_encode_decode() {
+ let responses = [
+ BitswapResponse::Have(true),
+ BitswapResponse::Have(false),
+ BitswapResponse::Block(b"block_response".to_vec()),
+ ];
+ let mut buf = Vec::with_capacity(13 + 1);
+ for response in &responses {
+ buf.clear();
+ response.write_to(&mut buf).unwrap();
+ assert_eq!(&BitswapResponse::from_bytes(&buf).unwrap(), response);
+ }
+ }
+}
diff --git a/ext/libp2p-bitswap/src/query.rs b/ext/libp2p-bitswap/src/query.rs
new file mode 100644
index 000000000..1ed276d61
--- /dev/null
+++ b/ext/libp2p-bitswap/src/query.rs
@@ -0,0 +1,660 @@
+use crate::stats::{REQUESTS_TOTAL, REQUEST_DURATION_SECONDS};
+use fnv::{FnvHashMap, FnvHashSet};
+use libipld::Cid;
+use libp2p::PeerId;
+use prometheus::HistogramTimer;
+use std::collections::VecDeque;
+
+/// Query id.
+#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
+pub struct QueryId(u64);
+
+impl std::fmt::Display for QueryId {
+ fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+ self.0.fmt(f)
+ }
+}
+
+/// Request.
+#[derive(Debug, Eq, PartialEq)]
+pub enum Request {
+ /// Have query.
+ Have(PeerId, Cid),
+ /// Block query.
+ Block(PeerId, Cid),
+ /// Missing blocks query.
+ MissingBlocks(Cid),
+}
+
+impl std::fmt::Display for Request {
+ fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+ match self {
+ Self::Have(_, _) => write!(f, "have"),
+ Self::Block(_, _) => write!(f, "block"),
+ Self::MissingBlocks(_) => write!(f, "missing-blocks"),
+ }
+ }
+}
+
+/// Response.
+#[derive(Debug)]
+pub enum Response {
+ /// Have query.
+ Have(PeerId, bool),
+ /// Block query.
+ Block(PeerId, bool),
+ /// Missing blocks query.
+ MissingBlocks(Vec<Cid>),
+}
+
+impl std::fmt::Display for Response {
+ fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+ match self {
+ Self::Have(_, have) => write!(f, "have {}", have),
+ Self::Block(_, block) => write!(f, "block {}", block),
+ Self::MissingBlocks(missing) => write!(f, "missing-blocks {}", missing.len()),
+ }
+ }
+}
+
+/// Event emitted by a query.
+#[derive(Debug)]
+pub enum QueryEvent {
+ /// A subquery to run.
+ Request(QueryId, Request),
+ /// A progress event.
+ Progress(QueryId, usize),
+ /// Complete event.
+ Complete(QueryId, Result<(), Cid>),
+}
+
+#[derive(Debug)]
+pub struct Header {
+ /// Query id.
+ pub id: QueryId,
+ /// Root query id.
+ pub root: QueryId,
+ /// Parent.
+ pub parent: Option<QueryId>,
+ /// Cid.
+ pub cid: Cid,
+ /// Timer.
+ #[allow(dead_code)]
+ pub timer: HistogramTimer,
+ /// Type.
+ pub label: &'static str,
+}
+
+impl Drop for Header {
+ fn drop(&mut self) {
+ REQUESTS_TOTAL.with_label_values(&[self.label]).inc();
+ }
+}
+
+/// Query.
+#[derive(Debug)]
+struct Query {
+ /// Header.
+ hdr: Header,
+ /// State.
+ state: State,
+}
+
+#[derive(Debug)]
+enum State {
+ None,
+ Get(GetState),
+ Sync(SyncState),
+}
+
+#[derive(Debug, Default)]
+struct GetState {
+ have: FnvHashSet<QueryId>,
+ block: Option<QueryId>,
+ providers: Vec<PeerId>,
+}
+
+#[derive(Debug, Default)]
+struct SyncState {
+ missing: FnvHashSet<QueryId>,
+ children: FnvHashSet<QueryId>,
+ providers: Vec<PeerId>,
+}
+
+enum Transition<S, C> {
+ Next(S),
+ Complete(C),
+}
+
+#[derive(Default)]
+pub struct QueryManager {
+ id_counter: u64,
+ queries: FnvHashMap<QueryId, Query>,
+ events: VecDeque<QueryEvent>,
+}
+
+impl QueryManager {
+ /// Start a new subquery.
+ fn start_query(
+ &mut self,
+ root: QueryId,
+ parent: Option<QueryId>,
+ cid: Cid,
+ req: Request,
+ label: &'static str,
+ ) -> QueryId {
+ let timer = REQUEST_DURATION_SECONDS
+ .with_label_values(&[label])
+ .start_timer();
+ let id = QueryId(self.id_counter);
+ self.id_counter += 1;
+ let query = Query {
+ hdr: Header {
+ id,
+ root,
+ parent,
+ cid,
+ timer,
+ label,
+ },
+ state: State::None,
+ };
+ self.queries.insert(id, query);
+ tracing::trace!("{} {} {}", root, id, req);
+ self.events.push_back(QueryEvent::Request(id, req));
+ id
+ }
+
+ /// Starts a new have query to ask a peer if it has a block.
+ fn have(&mut self, root: QueryId, parent: QueryId, peer_id: PeerId, cid: Cid) -> QueryId {
+ self.start_query(root, Some(parent), cid, Request::Have(peer_id, cid), "have")
+ }
+
+ /// Starts a new block query to request a block from a peer.
+ fn block(&mut self, root: QueryId, parent: QueryId, peer_id: PeerId, cid: Cid) -> QueryId {
+ self.start_query(
+ root,
+ Some(parent),
+ cid,
+ Request::Block(peer_id, cid),
+ "block",
+ )
+ }
+
+ /// Starts a query to determine the missing blocks of a dag.
+ fn missing_blocks(&mut self, parent: QueryId, cid: Cid) -> QueryId {
+ self.start_query(
+ parent,
+ Some(parent),
+ cid,
+ Request::MissingBlocks(cid),
+ "missing-blocks",
+ )
+ }
+
+ /// Starts a query to locate and retrieve a block. Panics if no providers are supplied.
+ pub fn get(
+ &mut self,
+ parent: Option<QueryId>,
+ cid: Cid,
+ providers: impl Iterator<Item = PeerId>,
+ ) -> QueryId {
+ let timer = REQUEST_DURATION_SECONDS
+ .with_label_values(&["get"])
+ .start_timer();
+ let id = QueryId(self.id_counter);
+ self.id_counter += 1;
+ let root = parent.unwrap_or(id);
+ tracing::trace!("{} {} get", root, id);
+ let mut state = GetState::default();
+ for peer in providers {
+ if state.block.is_none() {
+ state.block = Some(self.block(root, id, peer, cid));
+ } else {
+ state.have.insert(self.have(root, id, peer, cid));
+ }
+ }
+ assert!(state.block.is_some());
+ let query = Query {
+ hdr: Header {
+ id,
+ root,
+ parent,
+ cid,
+ timer,
+ label: "get",
+ },
+ state: State::Get(state),
+ };
+ self.queries.insert(id, query);
+ id
+ }
+
+ /// Starts a query to recursively retrieve a dag. The missing blocks are the first
+ /// blocks that need to be retrieved.
+ pub fn sync(
+ &mut self,
+ cid: Cid,
+ providers: Vec<PeerId>,
+ missing: impl Iterator<Item = Cid>,
+ ) -> QueryId {
+ let timer = REQUEST_DURATION_SECONDS
+ .with_label_values(&["sync"])
+ .start_timer();
+ let id = QueryId(self.id_counter);
+ self.id_counter += 1;
+ tracing::trace!("{} {} sync", id, id);
+ let mut state = SyncState::default();
+ for cid in missing {
+ state
+ .missing
+ .insert(self.get(Some(id), cid, providers.iter().copied()));
+ }
+ if state.missing.is_empty() {
+ state.children.insert(self.missing_blocks(id, cid));
+ }
+ state.providers = providers;
+ let query = Query {
+ hdr: Header {
+ id,
+ root: id,
+ parent: None,
+ cid,
+ timer,
+ label: "sync",
+ },
+ state: State::Sync(state),
+ };
+ self.queries.insert(id, query);
+ id
+ }
+
+ /// Cancels an in progress query.
+ pub fn cancel(&mut self, root: QueryId) -> bool {
+ let query = if let Some(query) = self.queries.remove(&root) {
+ query
+ } else {
+ return false;
+ };
+ let queries = &self.queries;
+ self.events.retain(|event| {
+ let (id, req) = match event {
+ QueryEvent::Request(id, req) => (id, req),
+ QueryEvent::Progress(id, _) => return *id != root,
+ QueryEvent::Complete(_, _) => return true,
+ };
+ if queries.get(id).map(|q| q.hdr.root) != Some(root) {
+ return true;
+ }
+ tracing::trace!("{} {} {} cancel", root, id, req);
+ false
+ });
+ match query.state {
+ State::Get(_) => {
+ tracing::trace!("{} {} get cancel", root, root);
+ true
+ }
+ State::Sync(state) => {
+ for id in state.missing {
+ tracing::trace!("{} {} get cancel", root, id);
+ self.queries.remove(&id);
+ }
+ tracing::trace!("{} {} sync cancel", root, root);
+ true
+ }
+ State::None => {
+ self.queries.insert(root, query);
+ false
+ }
+ }
+ }
+
+ /// Advances a get query state machine using a transition function.
+ fn get_query<F>(&mut self, id: QueryId, f: F)
+ where
+ F: FnOnce(&mut Self, &Header, GetState) -> Transition<GetState, Result<(), Cid>>,
+ {
+ if let Some(mut parent) = self.queries.remove(&id) {
+ let state = if let State::Get(state) = parent.state {
+ state
+ } else {
+ return;
+ };
+ match f(self, &parent.hdr, state) {
+ Transition::Next(state) => {
+ parent.state = State::Get(state);
+ self.queries.insert(id, parent);
+ }
+ Transition::Complete(res) => {
+ match res {
+ Ok(()) => tracing::trace!("{} {} get ok", parent.hdr.root, parent.hdr.id),
+ Err(_) => tracing::trace!("{} {} get err", parent.hdr.root, parent.hdr.id),
+ }
+ self.recv_get(parent.hdr, res);
+ }
+ }
+ }
+ }
+
+ /// Advances a sync query state machine using a transition function.
+ fn sync_query<F>(&mut self, id: QueryId, f: F)
+ where
+ F: FnOnce(&mut Self, &Header, SyncState) -> Transition<SyncState, Result<(), Cid>>,
+ {
+ if let Some(mut parent) = self.queries.remove(&id) {
+ let state = if let State::Sync(state) = parent.state {
+ state
+ } else {
+ return;
+ };
+ match f(self, &parent.hdr, state) {
+ Transition::Next(state) => {
+ parent.state = State::Sync(state);
+ self.queries.insert(id, parent);
+ }
+ Transition::Complete(res) => {
+ if res.is_ok() {
+ tracing::trace!("{} {} sync ok", parent.hdr.root, parent.hdr.id);
+ } else {
+ tracing::trace!("{} {} sync err", parent.hdr.root, parent.hdr.id);
+ }
+ self.recv_sync(parent.hdr, res);
+ }
+ }
+ }
+ }
+
+ /// Processes the response of a have query.
+ ///
+ /// Marks the in progress query as complete and updates the set of peers that have
+ /// a block. If there isn't an in progress block query a new block query will be
+ /// started. If no block query can be started either a provider query is started or
+ /// the get query is marked as complete with a block-not-found error.
+ fn recv_have(&mut self, query: Header, peer_id: PeerId, have: bool) {
+ self.get_query(query.parent.unwrap(), |mgr, parent, mut state| {
+ state.have.remove(&query.id);
+ if state.block == Some(query.id) {
+ state.block = None;
+ }
+ if have {
+ state.providers.push(peer_id);
+ }
+ if state.block.is_none() && !state.providers.is_empty() {
+ state.block = Some(mgr.block(
+ parent.root,
+ parent.id,
+ state.providers.pop().unwrap(),
+ query.cid,
+ ));
+ }
+ if state.have.is_empty() && state.block.is_none() && state.providers.is_empty() {
+ if state.providers.is_empty() {
+ return Transition::Complete(Err(query.cid));
+ } else {
+ return Transition::Complete(Ok(()));
+ }
+ }
+ Transition::Next(state)
+ });
+ }
+
+ /// Processes the response of a block query.
+ ///
+ /// Either completes the get query or processes it like a have query response.
+ fn recv_block(&mut self, query: Header, peer_id: PeerId, block: bool) {
+ if block {
+ self.get_query(query.parent.unwrap(), |_mgr, _parent, mut state| {
+ state.providers.push(peer_id);
+ Transition::Complete(Ok(()))
+ });
+ } else {
+ self.recv_have(query, peer_id, block);
+ }
+ }
+
+ /// Processes the response of a missing blocks query.
+ ///
+ /// Starts a get query for each missing block. If there are no in progress queries
+ /// the sync query is marked as complete.
+ fn recv_missing_blocks(&mut self, query: Header, missing: Vec<Cid>) {
+ let mut num_missing = 0;
+ let num_missing_ref = &mut num_missing;
+ self.sync_query(query.parent.unwrap(), |mgr, parent, mut state| {
+ state.children.remove(&query.id);
+ for cid in missing {
+ state.missing.insert(mgr.get(
+ Some(parent.root),
+ cid,
+ state.providers.iter().copied(),
+ ));
+ }
+ *num_missing_ref = state.missing.len();
+ if state.missing.is_empty() && state.children.is_empty() {
+ Transition::Complete(Ok(()))
+ } else {
+ Transition::Next(state)
+ }
+ });
+ if num_missing != 0 {
+ self.events
+ .push_back(QueryEvent::Progress(query.root, num_missing));
+ }
+ }
+
+ /// Processes the response of a get query.
+ ///
+ /// If it is part of a sync query a new missing blocks query is started. Otherwise
+ /// the get query emits a `complete` event.
+ fn recv_get(&mut self, query: Header, res: Result<(), Cid>) {
+ if let Some(id) = query.parent {
+ self.sync_query(id, |mgr, parent, mut state| {
+ state.missing.remove(&query.id);
+ if res.is_err() {
+ Transition::Complete(res)
+ } else {
+ state
+ .children
+ .insert(mgr.missing_blocks(parent.root, query.cid));
+ Transition::Next(state)
+ }
+ });
+ } else {
+ self.events.push_back(QueryEvent::Complete(query.id, res));
+ }
+ }
+
+ /// Processes the response of a sync query.
+ ///
+ /// The sync query emits a `complete` event.
+ fn recv_sync(&mut self, query: Header, res: Result<(), Cid>) {
+ self.events.push_back(QueryEvent::Complete(query.id, res));
+ }
+
+ /// Dispatches the response to a query handler.
+ pub fn inject_response(&mut self, id: QueryId, res: Response) {
+ let query = if let Some(query) = self.queries.remove(&id) {
+ query.hdr
+ } else {
+ return;
+ };
+ tracing::trace!("{} {} {}", query.root, query.id, res);
+ match res {
+ Response::Have(peer, have) => {
+ self.recv_have(query, peer, have);
+ }
+ Response::Block(peer, block) => {
+ self.recv_block(query, peer, block);
+ }
+ Response::MissingBlocks(cids) => {
+ self.recv_missing_blocks(query, cids);
+ }
+ }
+ }
+
+ /// Returns the header of a query.
+ pub fn query_info(&self, id: QueryId) -> Option<&Header> {
+ self.queries.get(&id).map(|q| &q.hdr)
+ }
+
+ /// Retrieves the next query event.
+ pub fn next(&mut self) -> Option<QueryEvent> {
+ self.events.pop_front()
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ fn tracing_try_init() {
+ tracing_subscriber::fmt()
+ .with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
+ .try_init()
+ .ok();
+ }
+
+ fn gen_peers(n: usize) -> Vec<PeerId> {
+ let mut peers = Vec::with_capacity(n);
+ for _ in 0..n {
+ peers.push(PeerId::random());
+ }
+ peers
+ }
+
+ fn assert_request(event: Option<QueryEvent>, req: Request) -> QueryId {
+ if let Some(QueryEvent::Request(id, req2)) = event {
+ assert_eq!(req2, req);
+ id
+ } else {
+ panic!("{:?} is not a request", event);
+ }
+ }
+
+ fn assert_complete(event: Option<QueryEvent>, id: QueryId, res: Result<(), Cid>) {
+ if let Some(QueryEvent::Complete(id2, res2)) = event {
+ assert_eq!(id, id2);
+ assert_eq!(res, res2);
+ } else {
+ panic!("{:?} is not a complete event", event);
+ }
+ }
+
+ #[test]
+ fn test_get_query_block_not_found() {
+ let mut mgr = QueryManager::default();
+ let initial_set = gen_peers(3);
+ let cid = Cid::default();
+
+ let id = mgr.get(None, cid, initial_set.iter().copied());
+
+ let id1 = assert_request(mgr.next(), Request::Block(initial_set[0], cid));
+ let id2 = assert_request(mgr.next(), Request::Have(initial_set[1], cid));
+ let id3 = assert_request(mgr.next(), Request::Have(initial_set[2], cid));
+
+ mgr.inject_response(id1, Response::Have(initial_set[0], false));
+ mgr.inject_response(id2, Response::Have(initial_set[1], false));
+ mgr.inject_response(id3, Response::Have(initial_set[2], false));
+
+ assert_complete(mgr.next(), id, Err(cid));
+ }
+
+ #[test]
+ fn test_cid_query_block_found() {
+ let mut mgr = QueryManager::default();
+ let initial_set = gen_peers(3);
+ let cid = Cid::default();
+
+ let id = mgr.get(None, cid, initial_set.iter().copied());
+
+ let id1 = assert_request(mgr.next(), Request::Block(initial_set[0], cid));
+ let id2 = assert_request(mgr.next(), Request::Have(initial_set[1], cid));
+ let id3 = assert_request(mgr.next(), Request::Have(initial_set[2], cid));
+
+ mgr.inject_response(id1, Response::Block(initial_set[0], true));
+ mgr.inject_response(id2, Response::Have(initial_set[1], false));
+ mgr.inject_response(id3, Response::Have(initial_set[2], false));
+
+ assert_complete(mgr.next(), id, Ok(()));
+ }
+
+ #[test]
+ fn test_get_query_gets_from_spare_if_block_request_fails() {
+ let mut mgr = QueryManager::default();
+ let initial_set = gen_peers(3);
+ let cid = Cid::default();
+
+ let id = mgr.get(None, cid, initial_set.iter().copied());
+
+ let id1 = assert_request(mgr.next(), Request::Block(initial_set[0], cid));
+ let id2 = assert_request(mgr.next(), Request::Have(initial_set[1], cid));
+ let id3 = assert_request(mgr.next(), Request::Have(initial_set[2], cid));
+
+ mgr.inject_response(id1, Response::Block(initial_set[0], false));
+ mgr.inject_response(id2, Response::Have(initial_set[1], true));
+ mgr.inject_response(id3, Response::Have(initial_set[2], false));
+
+ let id1 = assert_request(mgr.next(), Request::Block(initial_set[1], cid));
+ mgr.inject_response(id1, Response::Block(initial_set[1], true));
+
+ assert_complete(mgr.next(), id, Ok(()));
+ }
+
+ #[test]
+ fn test_get_query_gets_from_spare_if_block_request_fails_after_have_is_received() {
+ let mut mgr = QueryManager::default();
+ let initial_set = gen_peers(3);
+ let cid = Cid::default();
+
+ let id = mgr.get(None, cid, initial_set.iter().copied());
+
+ let id1 = assert_request(mgr.next(), Request::Block(initial_set[0], cid));
+ let id2 = assert_request(mgr.next(), Request::Have(initial_set[1], cid));
+ let id3 = assert_request(mgr.next(), Request::Have(initial_set[2], cid));
+
+ mgr.inject_response(id1, Response::Block(initial_set[0], false));
+ mgr.inject_response(id2, Response::Have(initial_set[1], true));
+ mgr.inject_response(id3, Response::Have(initial_set[2], true));
+
+ let id1 = assert_request(mgr.next(), Request::Block(initial_set[1], cid));
+ mgr.inject_response(id1, Response::Block(initial_set[1], false));
+
+ let id1 = assert_request(mgr.next(), Request::Block(initial_set[2], cid));
+ mgr.inject_response(id1, Response::Block(initial_set[2], true));
+
+ assert_complete(mgr.next(), id, Ok(()));
+ }
+
+ #[test]
+ fn test_sync_query() {
+ tracing_try_init();
+ let mut mgr = QueryManager::default();
+ let providers = gen_peers(3);
+ let cid = Cid::default();
+
+ let id = mgr.sync(cid, providers.clone(), std::iter::once(cid));
+
+ let id1 = assert_request(mgr.next(), Request::Block(providers[0], cid));
+ let id2 = assert_request(mgr.next(), Request::Have(providers[1], cid));
+ let id3 = assert_request(mgr.next(), Request::Have(providers[2], cid));
+
+ mgr.inject_response(id1, Response::Block(providers[0], true));
+ mgr.inject_response(id2, Response::Have(providers[1], false));
+ mgr.inject_response(id3, Response::Have(providers[2], false));
+
+ let id1 = assert_request(mgr.next(), Request::MissingBlocks(cid));
+ mgr.inject_response(id1, Response::MissingBlocks(vec![]));
+
+ assert_complete(mgr.next(), id, Ok(()));
+ }
+
+ #[test]
+ fn test_sync_query_empty() {
+ tracing_try_init();
+ let mut mgr = QueryManager::default();
+ let cid = Cid::default();
+ let id = mgr.sync(cid, vec![], std::iter::empty());
+ let id1 = assert_request(mgr.next(), Request::MissingBlocks(cid));
+ mgr.inject_response(id1, Response::MissingBlocks(vec![]));
+ assert_complete(mgr.next(), id, Ok(()));
+ }
+}
diff --git a/ext/libp2p-bitswap/src/stats.rs b/ext/libp2p-bitswap/src/stats.rs
new file mode 100644
index 000000000..432a804eb
--- /dev/null
+++ b/ext/libp2p-bitswap/src/stats.rs
@@ -0,0 +1,86 @@
+use lazy_static::lazy_static;
+use prometheus::{HistogramOpts, HistogramVec, IntCounter, IntCounterVec, Opts};
+
+lazy_static! {
+ pub static ref REQUESTS_TOTAL: IntCounterVec = IntCounterVec::new(
+ Opts::new(
+ "bitswap_requests_total",
+ "Number of bitswap requests labelled by type and result.",
+ ),
+ &["type"],
+ )
+ .unwrap();
+ pub static ref REQUEST_DURATION_SECONDS: HistogramVec = HistogramVec::new(
+ HistogramOpts::new(
+ "bitswap_request_duration_seconds",
+ "Duration of bitswap requests labelled by request type",
+ ),
+ &["type"],
+ )
+ .unwrap();
+ pub static ref REQUESTS_CANCELED: IntCounter = IntCounter::new(
+ "bitswap_requests_canceled_total",
+ "Number of canceled requests",
+ )
+ .unwrap();
+ pub static ref BLOCK_NOT_FOUND: IntCounter = IntCounter::new(
+ "bitswap_block_not_found_total",
+ "Number of block not found errors.",
+ )
+ .unwrap();
+ pub static ref PROVIDERS_TOTAL: IntCounter = IntCounter::new(
+ "bitswap_providers_total",
+ r#"Number of providers total. Using the number of provider requests, the average
+ number of providers per request can be computed."#
+ )
+ .unwrap();
+ pub static ref MISSING_BLOCKS_TOTAL: IntCounter = IntCounter::new(
+ "bitswap_missing_blocks_total",
+ r#"Number of missing blocks total. Using the number of missing blocks requests, the
+ average number of missing blocks per request can be computed."#
+ )
+ .unwrap();
+ pub static ref RECEIVED_BLOCK_BYTES: IntCounter =
+ IntCounter::new("bitswap_received_block_bytes", "Number of received bytes.",).unwrap();
+ pub static ref RECEIVED_INVALID_BLOCK_BYTES: IntCounter = IntCounter::new(
+ "bitswap_received_invalid_block_bytes",
+ "Number of received bytes that didn't match the hash.",
+ )
+ .unwrap();
+ pub static ref SENT_BLOCK_BYTES: IntCounter =
+ IntCounter::new("bitswap_sent_block_bytes", "Number of sent block bytes.",).unwrap();
+ pub static ref RESPONSES_TOTAL: IntCounterVec = IntCounterVec::new(
+ Opts::new(
+ "bitswap_responses_total",
+ "Number of bitswap responses sent to peers.",
+ ),
+ &["type"],
+ )
+ .unwrap();
+ pub static ref THROTTLED_INBOUND: IntCounter = IntCounter::new(
+ "bitswap_throttled_too_many_inbound_total",
+ "Number of too many inbound events.",
+ )
+ .unwrap();
+ pub static ref THROTTLED_OUTBOUND: IntCounter = IntCounter::new(
+ "bitswap_throttled_resume_send_total",
+ "Number of resume send events.",
+ )
+ .unwrap();
+ pub static ref OUTBOUND_FAILURE: IntCounterVec = IntCounterVec::new(
+ Opts::new(
+ "bitswap_outbound_failures_total",
+ "Number of outbound failures.",
+ ),
+ &["type"],
+ )
+ .unwrap();
+ pub static ref INBOUND_FAILURE: IntCounterVec = IntCounterVec::new(
+ Opts::new(
+ "bitswap_inbound_failures_total",
+ "Number of inbound failures.",
+ ),
+ &["type"],
+ )
+ .unwrap();
+}
diff --git a/ipld/resolver/Cargo.toml b/ipld/resolver/Cargo.toml
index 8c5e8a69c..dac26ec58 100644
--- a/ipld/resolver/Cargo.toml
+++ b/ipld/resolver/Cargo.toml
@@ -12,7 +12,6 @@ async-trait = { workspace = true }
base64 = { workspace = true }
blake2b_simd = { workspace = true }
bloom = { workspace = true }
-gcra = { workspace = true }
lazy_static = { workspace = true }
libipld = { workspace = true }
libp2p = { workspace = true }
@@ -35,6 +34,7 @@ fvm_ipld_blockstore = { workspace = true, optional = true }
ipc-api = { path = "../../ipc/api", default-features = false }
ipc-observability = { workspace = true }
+gcra = { path = "../../ext/gcra-rs" }
[dev-dependencies]
cid = { workspace = true }