From de8c915815479fc96e210a91f6f55ba281256cde Mon Sep 17 00:00:00 2001
From: Jean-Pierre De Jesus DIAZ <me@jeandudey.tech>
Date: Mon, 7 Aug 2023 17:17:55 +0200
Subject: [PATCH] SFT-UNKN: Add foundation-psbt fuzz tests.

Signed-off-by: Jean-Pierre De Jesus DIAZ <me@jeandudey.tech>
---
 Cargo.toml                                    |  2 +
 psbt/fuzz/Cargo.toml                          | 40 +++++++++++++++++++
 psbt/fuzz/fuzz_targets/compact_size.rs        | 10 +++++
 psbt/fuzz/fuzz_targets/global_key.rs          | 10 +++++
 psbt/fuzz/fuzz_targets/global_key_pair.rs     | 10 +++++
 .../partially_signed_bitcoin_transaction.rs   | 10 +++++
 6 files changed, 82 insertions(+)
 create mode 100644 psbt/fuzz/Cargo.toml
 create mode 100644 psbt/fuzz/fuzz_targets/compact_size.rs
 create mode 100644 psbt/fuzz/fuzz_targets/global_key.rs
 create mode 100644 psbt/fuzz/fuzz_targets/global_key_pair.rs
 create mode 100644 psbt/fuzz/fuzz_targets/partially_signed_bitcoin_transaction.rs

diff --git a/Cargo.toml b/Cargo.toml
index 04b253f..0022ef7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,7 @@ members = [
     "codecs",
     "ffi",
     "psbt",
+    "psbt/fuzz",
     "test-vectors",
     "ur",
     "urtypes",
@@ -30,6 +31,7 @@ either = { version = "1", default-features = false }
 foundation-arena = { path = "arena" }
 foundation-bip32 = { path = "bip32" }
 foundation-codecs = { path = "codecs" }
+foundation-psbt = { path = "psbt" }
 foundation-test-vectors = { path = "test-vectors" }
 foundation-urtypes = { path = "urtypes" }
 heapless = { version = "0.8", git = "https://github.com/japaric/heapless", default-features = false }
diff --git a/psbt/fuzz/Cargo.toml b/psbt/fuzz/Cargo.toml
new file mode 100644
index 0000000..4ec96d7
--- /dev/null
+++ b/psbt/fuzz/Cargo.toml
@@ -0,0 +1,40 @@
+# SPDX-FileCopyrightText: © 2023 Foundation Devices, Inc. <hello@foundationdevices.com>
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+[package]
+name = "foundation-psbt-fuzz"
+version = "0.0.0"
+publish = false
+edition = "2021"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+foundation-psbt = { workspace = true }
+libfuzzer-sys = { workspace = true }
+nom = { workspace = true }
+
+[[bin]]
+name = "compact_size"
+path = "fuzz_targets/compact_size.rs"
+test = false
+doc = false
+
+[[bin]]
+name = "global_key"
+path = "fuzz_targets/global_key.rs"
+test = false
+doc = false
+
+[[bin]]
+name = "global_key_pair"
+path = "fuzz_targets/global_key_pair.rs"
+test = false
+doc = false
+
+[[bin]]
+name = "partially_signed_bitcoin_transaction"
+path = "fuzz_targets/partially_signed_bitcoin_transaction.rs"
+test = false
+doc = false
diff --git a/psbt/fuzz/fuzz_targets/compact_size.rs b/psbt/fuzz/fuzz_targets/compact_size.rs
new file mode 100644
index 0000000..ee5ac70
--- /dev/null
+++ b/psbt/fuzz/fuzz_targets/compact_size.rs
@@ -0,0 +1,10 @@
+// SPDX-FileCopyrightText: © 2023 Foundation Devices, Inc. <hello@foundationdevices.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#![no_main]
+
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|data: &[u8]| {
+    foundation_psbt::parser::global_key::<nom::error::VerboseError<_>>(data).ok();
+});
diff --git a/psbt/fuzz/fuzz_targets/global_key.rs b/psbt/fuzz/fuzz_targets/global_key.rs
new file mode 100644
index 0000000..ee5ac70
--- /dev/null
+++ b/psbt/fuzz/fuzz_targets/global_key.rs
@@ -0,0 +1,10 @@
+// SPDX-FileCopyrightText: © 2023 Foundation Devices, Inc. <hello@foundationdevices.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#![no_main]
+
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|data: &[u8]| {
+    foundation_psbt::parser::global_key::<nom::error::VerboseError<_>>(data).ok();
+});
diff --git a/psbt/fuzz/fuzz_targets/global_key_pair.rs b/psbt/fuzz/fuzz_targets/global_key_pair.rs
new file mode 100644
index 0000000..6ea79e0
--- /dev/null
+++ b/psbt/fuzz/fuzz_targets/global_key_pair.rs
@@ -0,0 +1,10 @@
+// SPDX-FileCopyrightText: © 2023 Foundation Devices, Inc. <hello@foundationdevices.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#![no_main]
+
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|data: &[u8]| {
+    foundation_psbt::parser::global_key_pair::<nom::error::VerboseError<_>>(data).ok();
+});
diff --git a/psbt/fuzz/fuzz_targets/partially_signed_bitcoin_transaction.rs b/psbt/fuzz/fuzz_targets/partially_signed_bitcoin_transaction.rs
new file mode 100644
index 0000000..c32d283
--- /dev/null
+++ b/psbt/fuzz/fuzz_targets/partially_signed_bitcoin_transaction.rs
@@ -0,0 +1,10 @@
+// SPDX-FileCopyrightText: © 2023 Foundation Devices, Inc. <hello@foundationdevices.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#![no_main]
+
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|data: &[u8]| {
+    foundation_psbt::parser::partially_signed_bitcoin_transaction::<nom::error::VerboseError<_>>(data).ok();
+});