Sui Rust SDK Bug

[BuFuuu]

Steps to Reproduce Issue

Follow the instructions here to get started with the Rust SDK: https://docs.sui.io/references/rust-sdk
Create a Cargo.toml with:

[package]
name = "test"
version = "0.1.0"
edition = "2021"

[dependencies]
sui_sdk = { git = "https://github.com/mystenlabs/sui", package = "sui-sdk" }
tokio = { version = "1.2", features = ["full"] }
anyhow = "1.0"

Then create a src folder and add the main.rs file as described in https://docs.sui.io/references/rust-sdk.

Then run:
cargo build

Expected Result

It should build the project.

Actual Result

I get this error message:

error: no matching package named `move-core-types` found
location searched: https://github.com/mystenlabs/sui#02ad6773
required by package `sui-sdk v1.51.0 (https://github.com/mystenlabs/sui#02ad6773)`
    ... which satisfies git dependency `sui_sdk` of package `test v0.1.0 (/home/user/SUI-RUST)`

I found this explanation for it:
It failed to find move-core-types because sui-sdk expects it as a local workspace dependency at a specific path (external-crates/move/crates/move-core-types), but when sui-sdk is used as a standalone Git or path dependency outside its original workspace, Cargo cannot resolve workspace-relative paths. Even if the files are present, Cargo looks for move-core-types in your own project’s workspace context, not Sui's, so it fails unless you manually add that dependency or build within the full Sui repo.

When I downloaded the Sui repo manually with git clone and then added the dependency as
sui-sdk = { path = "./sui/crates/sui-sdk" }, it fixed the issue.

System Information

Windows 11 / Ubuntu (tested with both)
cargo 1.87.0-nightly (1d1d646c0 2025-02-21)

[github-actions]

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[gfusee]

Cargo is able to find crates in a git repo by traversing the file tree: see Cargo's official documentation.

I have multiple Rust projects using the sui-sdk crate, without importing move-core-types. Those compile perfectly. I checked on my Cargo.lock and the version used is the same as yours: 1.51.0

I'm on macOS and I tested with the exact same version of cargo as yours, it compiles.

What you can try:

• Deleting the Cargo.lock file
• Deleting the target folder
• Clear the cache with a command such cargo-cache
• Run cargo build or cargo update with --verbose to have more detailed details
• Check your Cargo config file if no unexpected changes have been made

[BuFuuu]

It works with
use sui_sdk::types::base_types::SuiAddress;

but not with use sui_types::base_types::SuiAddress;

Is this how you did it?

[BuFuuu]

Furthermore, I encountered an error after cloning https://github.com/MystenLabs/sui.git and attempting to run cargo run --example coin_read_api from the root directory. The error message is as follows:

error: failed to run custom build command for 'librocksdb-sys v0.16.0+8.10.0'
Unable to find libclang: "couldn't find any valid shared libraries matching: ['clang.dll', 'libclang.dll'], set the `LIBCLANG_PATH` environment variable to a path where one of these files can be found (invalid: [])"

As someone who is not an experienced Rust developer, I expected basic examples like this to run more smoothly. It would be helpful if these examples worked out of the box without requiring additional system setup or native dependencies.

I am being this verbose to provide insight into how a less experienced developer approaches this (I saw that Sam Blackshear asked developers for feedback on what could be improved).
My overall goal was to create sponsored transactions. When I tried it with Python and the JSON-RPC API, it didn’t work. I also had a lot of trouble with Rust and the sui_sdk.
I just tried TypeScript in the last hour, and it worked very quickly. I’m sticking with this now!