interface: Split out instructions, state, errors from program

.github/actions/setup/action.yml

@@ -13,6 +13,9 @@ inputs:
   clippy:
     description: Install Clippy if `true`. Defaults to `false`.
     required: false
+  purge:
+    description: Purge unused directories if `true`. Defaults to `false`.
+    required: false
   rustfmt:
     description: Install Rustfmt if `true`. Defaults to `false`.
     required: false
@@ -32,6 +35,44 @@ runs:
         node-version: 20
         cache: 'pnpm'
 
+    - name: Purge unused ubuntu runner directories
+      if: ${{ inputs.purge == 'true' }}
+      shell: bash
+      run: |
+        # If there are still disk space issues, try to add more packages from
+        # https://github.com/jlumbroso/free-disk-space
+        sudo rm -rf /usr/share/dotnet
+        sudo rm -rf /usr/share/swift
+        sudo rm -rf /usr/share/mysql
+        sudo rm -rf /usr/share/az_*
+        sudo rm -rf /usr/share/postgresql-common
+        sudo rm -rf /opt/ghc
+        sudo rm -rf /usr/local/.ghcup
+        sudo rm -rf /opt/az
+        sudo rm -rf /opt/pipx
+        sudo rm -rf /opt/microsoft
+        sudo rm -rf /opt/google
+        sudo rm -rf /opt/hostedtoolcache
+        sudo rm -rf /usr/local/lib/android
+        sudo rm -rf /usr/local/lib/heroku
+        sudo rm -rf /imagegeneration
+        sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+        sudo docker image prune --all --force
+        sudo docker system prune -af
+        # Clear additional caches that might be large
+        sudo rm -rf /tmp/*
+        sudo rm -rf /var/tmp/*
+        # This packages aren't that big, ~500MB total
+        #sudo apt-get remove -y '^php.*' --fix-missing
+        #sudo apt-get remove -y '^dotnet-.*' --fix-missing
+        #sudo apt-get remove -y '^mongodb-.*' --fix-missing
+        #sudo apt-get remove -y '^mysql-.*' --fix-missing
+        sudo apt-get remove -y '^aspnetcore-.*' azure-cli google-chrome-stable firefox powershell mono-devel libgl1-mesa-dri google-cloud-cli --fix-missing
+        sudo apt-get autoremove -y
+        sudo apt-get clean
+        #sudo swapoff -a
+        #sudo rm -f /mnt/swapfile
+
     - name: Install Dependencies
       run: pnpm install --frozen-lockfile
       shell: bash

.github/workflows/main.yml

@@ -294,6 +294,7 @@ jobs:
         with:
           cargo-cache-key: cargo-test-ptoken
           solana: true
+          purge: true
 
       - name: Restore Program Builds
         uses: actions/cache/restore@v4

interface/Cargo.toml

@@ -0,0 +1,42 @@
+[package]
+name = "spl-token-interface"
+version = "1.0.0"
+description = "Solana Program Library Token Interface"
+documentation = "https://docs.rs/spl-token-interface"
+readme = "README.md"
+authors = { workspace = true }
+repository = { workspace = true }
+license = { workspace = true }
+edition = { workspace = true }
+
+[dependencies]
+arrayref = "0.3.9"
+bytemuck = { version = "1.23.1", features = ["derive"] }
+num-derive = "0.4"
+num_enum = "0.7.4"
+num-traits = { workspace = true }
+solana-instruction = "2.2.1"
+solana-program-error = "2.2.1"
+solana-program-option = "2.2.1"
+solana-program-pack = "2.2.1"
+solana-pubkey = "2.2.1"
+solana-sdk-ids = "2.2.1"
+spl-pod = { version = "0.5.1" }
+thiserror = "2.0"
+
+[dev-dependencies]
+proptest = "1.7"
+strum = "0.26"
+strum_macros = "0.26"
+
+[lib]
+crate-type = ["lib"]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[lints]
+workspace = true
+
+[package.metadata.solana]
+program-id = "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA"

interface/README.md

@@ -0,0 +1,14 @@
+# Token Interface
+
+A token program interface on the Solana blockchain, usable for fungible and
+non-fungible tokens.
+
+This crate provides an interface that third parties can utilize to create and
+use their tokens.
+
+Full documentation is available at [https://www.solana-program.com/docs/token](https://www.solana-program.com/docs/token)
+
+## Audit
+
+The audit repository [README](https://github.com/solana-labs/solana-program-library#audits)
+contains information about program audits.