Support protocol version 1 and 2 in fuzz targets (mimblewimble#3073)

core/fuzz/Cargo.toml

@@ -18,17 +18,29 @@ git = "https://github.com/rust-fuzz/libfuzzer-sys.git"
 members = ["."]
 
 [[bin]]
-name = "transaction_read"
-path = "fuzz_targets/transaction_read.rs"
+name = "transaction_read_v1"
+path = "fuzz_targets/transaction_read_v1.rs"
+
+[[bin]]
+name = "transaction_read_v2"
+path = "fuzz_targets/transaction_read_v2.rs"
 
 [[bin]]
 name = "gen-corpus"
 path = "src/main.rs"
 
 [[bin]]
-name = "block_read"
-path = "fuzz_targets/block_read.rs"
+name = "block_read_v1"
+path = "fuzz_targets/block_read_v2.rs"
+
+[[bin]]
+name = "block_read_v2"
+path = "fuzz_targets/block_read_v2.rs"
+
+[[bin]]
+name = "compact_block_read_v1"
+path = "fuzz_targets/compact_block_read_v1.rs"
 
 [[bin]]
-name = "compact_block_read"
-path = "fuzz_targets/compact_block_read.rs"
+name = "compact_block_read_v2"
+path = "fuzz_targets/compact_block_read_v2.rs"

core/fuzz/fuzz_targets/block_read.rs → core/fuzz/fuzz_targets/block_read_v1.rs

@@ -8,5 +8,5 @@ use grin_core::ser;
 
 fuzz_target!(|data: &[u8]| {
 	let mut d = data.clone();
-	let _t: Result<Block, ser::Error> = ser::deserialize(&mut d);
+	let _t: Result<Block, ser::Error> = ser::deserialize(&mut d, ser::ProtocolVersion(1));
 });

core/fuzz/fuzz_targets/block_read_v2.rs

@@ -0,0 +1,12 @@
+#![no_main]
+extern crate grin_core;
+#[macro_use]
+extern crate libfuzzer_sys;
+
+use grin_core::core::Block;
+use grin_core::ser;
+
+fuzz_target!(|data: &[u8]| {
+	let mut d = data.clone();
+	let _t: Result<Block, ser::Error> = ser::deserialize(&mut d, ser::ProtocolVersion(2));
+});

core/fuzz/fuzz_targets/compact_block_read.rs → core/fuzz/fuzz_targets/compact_block_read_v1.rs

@@ -8,5 +8,5 @@ use grin_core::ser;
 
 fuzz_target!(|data: &[u8]| {
 	let mut d = data.clone();
-	let _t: Result<CompactBlock, ser::Error> = ser::deserialize(&mut d);
+	let _t: Result<CompactBlock, ser::Error> = ser::deserialize(&mut d, ser::ProtocolVersion(1));
 });

core/fuzz/fuzz_targets/compact_block_read_v2.rs

@@ -0,0 +1,12 @@
+#![no_main]
+extern crate grin_core;
+#[macro_use]
+extern crate libfuzzer_sys;
+
+use grin_core::core::CompactBlock;
+use grin_core::ser;
+
+fuzz_target!(|data: &[u8]| {
+	let mut d = data.clone();
+	let _t: Result<CompactBlock, ser::Error> = ser::deserialize(&mut d, ser::ProtocolVersion(2));
+});

core/fuzz/fuzz_targets/transaction_read.rs → core/fuzz/fuzz_targets/transaction_read_v1.rs

@@ -8,5 +8,5 @@ use grin_core::ser;
 
 fuzz_target!(|data: &[u8]| {
 	let mut d = data.clone();
-	let _t: Result<Transaction, ser::Error> = ser::deserialize(&mut d);
+	let _t: Result<Transaction, ser::Error> = ser::deserialize(&mut d, ser::ProtocolVersion(1));
 });

core/fuzz/fuzz_targets/transaction_read_v2.rs

@@ -0,0 +1,12 @@
+#![no_main]
+extern crate grin_core;
+#[macro_use]
+extern crate libfuzzer_sys;
+
+use grin_core::core::Transaction;
+use grin_core::ser;
+
+fuzz_target!(|data: &[u8]| {
+	let mut d = data.clone();
+	let _t: Result<Transaction, ser::Error> = ser::deserialize(&mut d, ser::ProtocolVersion(2));
+});