add io test

demo/Cargo.toml

@@ -15,7 +15,8 @@ members = [
   "contracts/test_single_loop_request",
   "contracts/test_large_data_handling",
   "contracts/test_serialize",
-  "contracts/test_serialize_complex"
+  "contracts/test_serialize_complex",
+  "contracts/io"
 ]
 
 [profile.release]

demo/contracts/io/.gitignore

@@ -0,0 +1,2 @@
+/build
+/target

demo/contracts/io/Cargo.toml

@@ -0,0 +1,39 @@
+[package]
+name = "io"
+version = "1.0.0"
+edition = "2021"
+
+[dependencies]
+ckb-std = { version = "0.17.0", default-features = false, features = ["allocator", "ckb-types", "dummy-atomic", "log"]}
+serde = { version = "1.0", default-features = false, features = ["derive"] }
+ckb-script-ipc = { version = "1.0.1" }
+ckb-script-ipc-common = { version = "1.0.1" }
+#ckb-rust-std = { version = "1.0.0", features = ["rust_before_181"]}
+ckb-rust-std = { version = "1.0.0"}
+
+[[bin]]
+name = "buffered"
+path = "src/buffered.rs"
+
+[[bin]]
+name = "copy"
+path = "src/copy.rs"
+
+[[bin]]
+name = "cursor"
+path = "src/cursor.rs"
+
+[[bin]]
+name = "io_all"
+path = "src/io_all.rs"
+
+[[bin]]
+name = "impls"
+path = "src/impls.rs"
+[[bin]]
+name = "util"
+path = "src/util.rs"
+
+[profile.release]
+strip = true
+codegen-units = 1

demo/contracts/io/Makefile

@@ -0,0 +1,77 @@
+# We cannot use $(shell pwd), which will return unix path format on Windows,
+# making it hard to use.
+cur_dir = $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
+
+TOP := $(cur_dir)
+# RUSTFLAGS that are likely to be tweaked by developers. For example,
+# while we enable debug logs by default here, some might want to strip them
+# for minimal code size / consumed cycles.
+CUSTOM_RUSTFLAGS := --cfg debug_assertions
+# RUSTFLAGS that are less likely to be tweaked by developers. Most likely
+# one would want to keep the default values here.
+FULL_RUSTFLAGS := -C target-feature=+zba,+zbb,+zbc,+zbs,-a $(CUSTOM_RUSTFLAGS)
+# Additional cargo args to append here. For example, one can use
+# make test CARGO_ARGS="-- --nocapture" so as to inspect data emitted to
+# stdout in unit tests
+CARGO_ARGS :=
+MODE := release
+# Tweak this to change the clang version to use for building C code. By default
+# we use a bash script with somes heuristics to find clang in current system.
+CLANG := $(shell $(TOP)/scripts/find_clang)
+AR := $(subst clang,llvm-ar,$(CLANG))
+# When this is set to some value, the generated binaries will be copied over
+BUILD_DIR :=
+# Generated binaries to copy. By convention, a Rust crate's directory name will
+# likely match the crate name, which is also the name of the final binary.
+# However if this is not the case, you can tweak this variable. As the name hints,
+# more than one binary is supported here.
+BINARIES := "buffered" "copy" "cursor" "io_all" "impls" "util"
+
+ifeq (release,$(MODE))
+	MODE_ARGS := --release
+endif
+
+default: build test
+
+build:
+	RUSTFLAGS="$(FULL_RUSTFLAGS)" TARGET_CC="$(CLANG)" TARGET_AR="$(AR)" \
+		cargo build --target=riscv64imac-unknown-none-elf $(MODE_ARGS) $(CARGO_ARGS)
+	@set -eu; \
+	if [ "x$(BUILD_DIR)" != "x" ]; then \
+		for binary in $(BINARIES); do \
+			echo "Copying binary $$binary to build directory"; \
+			cp $(TOP)/target/riscv64imac-unknown-none-elf/$(MODE)/$$binary $(TOP)/$(BUILD_DIR); \
+		done \
+	fi
+
+# test, check, clippy and fmt here are provided for completeness,
+# there is nothing wrong invoking cargo directly instead of make.
+test:
+	cargo test $(CARGO_ARGS)
+
+check:
+	cargo check $(CARGO_ARGS)
+
+clippy:
+	cargo clippy $(CARGO_ARGS)
+
+fmt:
+	cargo fmt $(CARGO_ARGS)
+
+# Arbitrary cargo command is supported here. For example:
+#
+# make cargo CARGO_CMD=expand CARGO_ARGS="--ugly"
+# 
+# Invokes:
+# cargo expand --ugly
+CARGO_CMD :=
+cargo:
+	cargo $(CARGO_CMD) $(CARGO_ARGS)
+
+clean:
+	cargo clean
+
+prepare:
+	rustup target add riscv64imac-unknown-none-elf
+
+.PHONY: build test check clippy fmt cargo clean prepare