chore(ci): pin Foundry version via .foundryrc (#7531)

Co-authored-by: Claude <noreply@anthropic.com>

Author: paulbalaji

.github/actions/setup-foundry/action.yml

@@ -4,8 +4,15 @@ description: 'Install Foundry and Soldeer dependencies'
 runs:
   using: 'composite'
   steps:
+    - name: Read Foundry version
+      id: foundry-version
+      shell: bash
+      run: echo "version=$(cat solidity/.foundryrc)" >> $GITHUB_OUTPUT
+
     - name: Install Foundry
       uses: foundry-rs/foundry-toolchain@v1
+      with:
+        version: ${{ steps.foundry-version.outputs.version }}
 
     - name: Install Soldeer dependencies
       shell: bash

Dockerfile

@@ -8,8 +8,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && yarn set version 4.5.1
 
 # Install Foundry for solidity builds (early for layer caching)
+COPY solidity/.foundryrc ./solidity/
 RUN curl -L https://foundry.paradigm.xyz | bash
-RUN /root/.foundry/bin/foundryup
+RUN /root/.foundry/bin/foundryup --install $(cat solidity/.foundryrc)
 ENV PATH="/root/.foundry/bin:${PATH}"
 
 # Copy package.json and friends

README.md

@@ -46,10 +46,10 @@ Run the following to install `foundryup`:
 curl -L https://foundry.paradigm.xyz | bash
 ```
 
-Then run `foundryup` to install `forge`, `cast`, `anvil` and `chisel`.
+Then run `foundryup` with the pinned version to install `forge`, `cast`, `anvil` and `chisel`.
 
 ```bash
-foundryup
+foundryup --install $(cat solidity/.foundryrc)
 ```
 
 Check out the [Foundry Book](https://getfoundry.sh/introduction/installation/) for more information.

solidity/.foundryrc

@@ -0,0 +1 @@
+v1.5.0