chore(abi): use tiny-keccak instead of sha3

Cargo.toml

@@ -40,10 +40,10 @@ revm = { version = "3.5.0", default-features = false }
 semver = "1.0.20"
 serde = { version = "1.0.193", default-features = false }
 serde_json = "1.0.108"
-sha3 = "0.10.8"
 smallvec = "1.11.2"
 syn =  { version = "2.0.42", features = [ "full" ] }
 thiserror = "1.0.51"
+tiny-keccak = "2.0.2"
 toml = "0.8.8"
 tracing = "0.1.40"
 tracing-subscriber = "0.3.18"

abi/Cargo.toml

@@ -16,14 +16,14 @@ sol-abi.workspace = true
 hex = { workspace = true, optional = true }
 postcard = { workspace = true, default-features = false, features = [ "use-std" ], optional = true }
 serde = { workspace = true, features = [ "derive" ], optional = true }
-sha3 = { workspace = true, optional = true }
 syn = { workspace = true, optional = true }
 thiserror = { workspace = true, optional = true }
+tiny-keccak = { workspace = true, optional = true, features = [ "sha3" ] }
 
 # TODO: introduce feature alloc.
 [features]
 bytes = [ "postcard", "serde" ]
 hex = [ "dep:hex", "thiserror", "bytes" ]
-selector = [ "sha3" ]
+selector = [ "tiny-keccak" ]
 serde = [ "dep:serde", "sol-abi/serde" ]
 syn = [ "dep:syn", "sol-abi/syn" ]

abi/src/selector.rs

@@ -2,13 +2,15 @@
 #![cfg(feature = "selector")]
 
 use crate::Abi;
-use sha3::{Digest, Keccak256};
+use tiny_keccak::{Hasher, Sha3};
 
 /// Generate a keccak hash of the input (sha3)
 pub fn keccak256(input: &[u8]) -> [u8; 32] {
-    let mut hasher = Keccak256::new();
+    let mut hasher = Sha3::v256();
+    let mut output = [0; 32];
     hasher.update(input);
-    hasher.finalize().into()
+    hasher.finalize(&mut output);
+    output
 }
 
 /// Parse selector from bytes.