From 450f8b8b8033bfc606c34edb82a7a2299b428961 Mon Sep 17 00:00:00 2001
From: Hendrik Eeckhaut <hendrik@eeckhaut.org>
Date: Thu, 14 Dec 2023 21:37:40 +0100
Subject: [PATCH 1/2] Build tlsn-core, tlsn-prover and tls-client for wasm

---
 .github/workflows/wasm.yml           | 47 ++++++++++++++++++++++++++++
 components/tls/tls-client/Cargo.toml |  4 +++
 tlsn/tlsn-core/Cargo.toml            |  3 ++
 tlsn/tlsn-prover/Cargo.toml          |  6 +++-
 4 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/wasm.yml

diff --git a/.github/workflows/wasm.yml b/.github/workflows/wasm.yml
new file mode 100644
index 0000000000..6b87afb181
--- /dev/null
+++ b/.github/workflows/wasm.yml
@@ -0,0 +1,47 @@
+name: wasm-build
+
+on:
+  push:
+    branches:
+      - dev
+    tags:
+      - "[v]?[0-9]+.[0-9]+.[0-9]+*"
+  pull_request:
+    branches:
+      - dev
+
+env:
+  CARGO_TERM_COLOR: always
+  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse
+
+jobs:
+  build_and_test:
+    name: Build for target wasm32-unknown-unknown
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        package:
+          - tlsn/tlsn-core
+          - tlsn/tlsn-prover
+          - components/tls/tls-client
+    defaults:
+      run:
+        working-directory: ${{ matrix.package }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install stable rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: wasm32-unknown-unknown
+          toolchain: stable
+
+      - name: Use caching
+        uses: Swatinem/rust-cache@v2.5.0
+        with:
+          workspaces: ${{ matrix.package }} -> ../target
+
+      - name: "Build"
+        run: cargo build --target wasm32-unknown-unknown
diff --git a/components/tls/tls-client/Cargo.toml b/components/tls/tls-client/Cargo.toml
index 06f6d11fb4..8bc3100c54 100644
--- a/components/tls/tls-client/Cargo.toml
+++ b/components/tls/tls-client/Cargo.toml
@@ -55,3 +55,7 @@ path = "examples/internal/bench.rs"
 [package.metadata.docs.rs]
 all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+ring = { version = "0.17", features = ["wasm32_unknown_unknown_js"] }
+getrandom = { version = "0.2", features = ["js"] }
diff --git a/tlsn/tlsn-core/Cargo.toml b/tlsn/tlsn-core/Cargo.toml
index a4be0fd783..48f00da151 100644
--- a/tlsn/tlsn-core/Cargo.toml
+++ b/tlsn/tlsn-core/Cargo.toml
@@ -45,3 +45,6 @@ bincode.workspace = true
 [[test]]
 name = "api"
 required-features = ["fixtures"]
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.2", features = ["js"] }
diff --git a/tlsn/tlsn-prover/Cargo.toml b/tlsn/tlsn-prover/Cargo.toml
index d1e80220cf..a1e6763bb7 100644
--- a/tlsn/tlsn-prover/Cargo.toml
+++ b/tlsn/tlsn-prover/Cargo.toml
@@ -44,6 +44,10 @@ derive_builder.workspace = true
 opaque-debug.workspace = true
 bytes.workspace = true
 
-tracing = { workspace = true, optional = true}
+tracing = { workspace = true, optional = true }
 
 web-time.workspace = true
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+ring = { version = "0.17", features = ["wasm32_unknown_unknown_js"] }
+getrandom = { version = "0.2", features = ["js"] }

From c49a1c8395946371bab15cfa0b09a75639f6e5d8 Mon Sep 17 00:00:00 2001
From: Hendrik Eeckhaut <hendrik@eeckhaut.org>
Date: Mon, 18 Dec 2023 15:02:08 +0100
Subject: [PATCH 2/2] Add explicit ring dependency with
 "wasm32_unknown_unknown_js" feature

---
 tlsn/tlsn-core/Cargo.toml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tlsn/tlsn-core/Cargo.toml b/tlsn/tlsn-core/Cargo.toml
index 48f00da151..b5ec854b4e 100644
--- a/tlsn/tlsn-core/Cargo.toml
+++ b/tlsn/tlsn-core/Cargo.toml
@@ -47,4 +47,5 @@ name = "api"
 required-features = ["fixtures"]
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
+ring = { version = "0.17", features = ["wasm32_unknown_unknown_js"] }
 getrandom = { version = "0.2", features = ["js"] }