.github/workflows: enable simulators cache

Author: benma

.github/workflows/rust.yml

@@ -13,6 +13,12 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy, rustfmt
+      - name: Enable simulators caching
+        uses: actions/cache@v4
+        with:
+          key: ${{runner.os}}-simulators-cache-${{hashFiles('./tests/simulators.json')}}
+          path: |
+            ./tests/simulators
       - run: |
           sudo apt-get update
           sudo apt-get install -y libudev-dev
@@ -28,6 +34,12 @@ jobs:
       - uses: dtolnay/rust-toolchain@beta
         with:
           components: clippy, rustfmt
+      - name: Enable simulators caching
+        uses: actions/cache@v4
+        with:
+          key: ${{runner.os}}-simulators-cache-${{hashFiles('./tests/simulators.json')}}
+          path: |
+            ./tests/simulators
       - run: |
           sudo apt-get update
           sudo apt-get install -y libudev-dev
@@ -44,6 +56,12 @@ jobs:
       - uses: dtolnay/rust-toolchain@nightly
         with:
           components: clippy, rustfmt
+      - name: Enable simulators caching
+        uses: actions/cache@v4
+        with:
+          key: ${{runner.os}}-simulators-cache-${{hashFiles('./tests/simulators.json')}}
+          path: |
+            ./tests/simulators
       - run: |
           sudo apt-get update
           sudo apt-get install -y libudev-dev

tests/simulator_tests.rs

@@ -10,7 +10,6 @@ mod subtests;
 use subtests::PairedBitBox;
 
 use bitcoin::hashes::Hash;
-use hex;
 use reqwest::Client;
 use serde::{Deserialize, Serialize};
 use std::os::unix::fs::PermissionsExt;