chore: remove ahash

We don't really have a good reason to use it, so we might as well stick
to the standard `HashMap`.

Cargo.toml

@@ -61,7 +61,6 @@ wasmtime-runtime = { version = "12.0.2", default-features = false }
 # misc
 libfuzzer-sys = "0.4"
 arbitrary = "1.3.0"
-ahash = "0.8.7"
 itertools = "0.11.0"
 once_cell = "1.18.0"
 unsigned-varint = "0.7.2"

ipld/amt/fuzz/Cargo.toml

@@ -11,7 +11,6 @@ cargo-fuzz = true
 [dependencies]
 libfuzzer-sys = { workspace = true }
 arbitrary = { workspace = true, features = ["derive"] }
-ahash = { workspace = true }
 itertools = { workspace = true }
 
 cid = { workspace = true, features = ["serde-codec", "arb", "std"] }

ipld/amt/fuzz/fuzz_targets/equivalence.rs

@@ -3,6 +3,8 @@
 // SPDX-License-Identifier: Apache-2.0, MIT
 
 #![no_main]
+use std::collections::HashMap;
+
 use arbitrary::Arbitrary;
 use cid::Cid;
 use fvm_ipld_amt::Amt;
@@ -22,10 +24,10 @@ enum Method {
     Remove,
     Get,
 }
-fn execute(ops: Vec<Operation>) -> (Cid, ahash::AHashMap<u64, u64>) {
+fn execute(ops: Vec<Operation>) -> (Cid, HashMap<u64, u64>) {
     let db = fvm_ipld_blockstore::MemoryBlockstore::default();
     let mut amt = Amt::new(&db);
-    let mut elements = ahash::AHashMap::new();
+    let mut elements = HashMap::new();
 
     for (i, Operation { idx, method, flush }) in ops.into_iter().enumerate() {
         let idx = idx as u64;

ipld/hamt/fuzz/Cargo.toml

@@ -11,7 +11,6 @@ cargo-fuzz = true
 [dependencies]
 libfuzzer-sys = { workspace = true }
 arbitrary = { workspace = true, features = ["derive"] }
-ahash = { workspace = true }
 
 fvm_ipld_hamt = { workspace = true }
 fvm_ipld_blockstore = { workspace = true }

ipld/hamt/fuzz/fuzz_targets/common.rs

@@ -2,6 +2,8 @@
 // Copyright 2019-2022 ChainSafe Systems
 // SPDX-License-Identifier: Apache-2.0, MIT
 
+use std::collections::HashMap;
+
 use arbitrary::Arbitrary;
 use fvm_ipld_hamt::{Config, Hamt};
 
@@ -21,7 +23,7 @@ pub enum Method {
 pub fn run(flush_rate: u8, operations: Vec<Operation>, conf: Config) {
     let db = fvm_ipld_blockstore::MemoryBlockstore::default();
     let mut hamt = Hamt::<_, _, _>::new_with_config(&db, conf);
-    let mut elements = ahash::AHashMap::new();
+    let mut elements = HashMap::new();
 
     let flush_rate = (flush_rate as usize).saturating_add(5);
     for (i, Operation { key, method }) in operations.into_iter().enumerate() {

ipld/kamt/fuzz/Cargo.toml

@@ -11,7 +11,6 @@ cargo-fuzz = true
 [dependencies]
 libfuzzer-sys = { workspace = true }
 arbitrary = { workspace = true, features = ["derive"] }
-ahash = { workspace = true }
 
 fvm_ipld_kamt = { workspace = true }
 fvm_ipld_blockstore = { workspace = true }

ipld/kamt/fuzz/fuzz_targets/common.rs

@@ -2,6 +2,8 @@
 // Copyright 2019-2022 ChainSafe Systems
 // SPDX-License-Identifier: Apache-2.0, MIT
 
+use std::collections::HashMap;
+
 use arbitrary::Arbitrary;
 use fvm_ipld_kamt::id::Identity;
 use fvm_ipld_kamt::{Config, Kamt};
@@ -22,7 +24,7 @@ pub enum Method {
 pub fn run(flush_rate: u8, operations: Vec<Operation>, conf: Config) {
     let db = fvm_ipld_blockstore::MemoryBlockstore::default();
     let mut kamt = Kamt::<_, u64, u64, Identity>::new_with_config(&db, conf);
-    let mut elements = ahash::AHashMap::new();
+    let mut elements = HashMap::new();
 
     let flush_rate = (flush_rate as usize).saturating_add(5);
     for (i, Operation { key, method }) in operations.into_iter().enumerate() {