aspens 0.4.1

Aspens crosschain trading SDK
Documentation 
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type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;

fn main() -> Result<()> {
    // Tell Cargo to rerun this build script if proto files change
    println!("cargo:rerun-if-changed=proto/arborter.proto");
    println!("cargo:rerun-if-changed=proto/arborter_auth.proto");
    println!("cargo:rerun-if-changed=proto/arborter_config.proto");
    println!("cargo:rerun-if-changed=proto/attestation.proto");
    println!("cargo:rerun-if-env-changed=DOCS_RS");

    // docs.rs mounts the source tree read-only; the generated files are
    // already committed under proto/generated/ and ship with the crate, so
    // skip codegen there.
    if std::env::var_os("DOCS_RS").is_some() {
        return Ok(());
    }

    build_protos()?;
    Ok(())
}

fn build_protos() -> Result<()> {
    // build arborter API
    tonic_prost_build::configure()
        .protoc_arg("--experimental_allow_proto3_optional")
        .build_server(false)
        .build_client(true)
        .out_dir("proto/generated")
        .compile_protos(&["proto/arborter.proto"], &["proto"])?;

    // build arborter auth API
    tonic_prost_build::configure()
        .protoc_arg("--experimental_allow_proto3_optional")
        .build_server(false)
        .build_client(true)
        .out_dir("proto/generated")
        .type_attribute(
            "xyz.aspens.arborter_auth.v1.AuthRequest",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .type_attribute(
            "xyz.aspens.arborter_auth.v1.AuthResponse",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .type_attribute(
            "xyz.aspens.arborter_auth.v1.InitializeAdminRequest",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .type_attribute(
            "xyz.aspens.arborter_auth.v1.InitializeAdminResponse",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .compile_protos(&["proto/arborter_auth.proto"], &["proto"])?;

    // build arborter_config API
    tonic_prost_build::configure()
        .protoc_arg("--experimental_allow_proto3_optional")
        .build_server(false)
        .build_client(true)
        .out_dir("proto/generated")
        .type_attribute(
            "xyz.aspens.arborter_config.v1.Configuration",
            "#[derive(serde::Serialize, serde::Deserialize)] #[serde(rename_all = \"camelCase\")]",
        )
        .type_attribute(
            "xyz.aspens.arborter_config.v1.Chain",
            "#[derive(serde::Serialize, serde::Deserialize)] #[serde(rename_all = \"camelCase\")]",
        )
        .type_attribute(
            "xyz.aspens.arborter_config.v1.Market",
            "#[derive(serde::Serialize, serde::Deserialize)] #[serde(rename_all = \"camelCase\")]",
        )
        .type_attribute(
            "xyz.aspens.arborter_config.v1.Token",
            "#[derive(serde::Serialize, serde::Deserialize)] #[serde(rename_all = \"camelCase\")]",
        )
        .type_attribute(
            "xyz.aspens.arborter_config.v1.TradeContract",
            "#[derive(serde::Serialize, serde::Deserialize)] #[serde(rename_all = \"camelCase\")]",
        )
        .type_attribute(
            "xyz.aspens.arborter_config.v1.GetConfigResponse",
            "#[derive(serde::Serialize, serde::Deserialize)] #[serde(rename_all = \"camelCase\")]",
        )
        .type_attribute(
            "xyz.aspens.arborter_config.v1.GetConfigRequest",
            "#[derive(serde::Serialize, serde::Deserialize)] #[serde(rename_all = \"camelCase\")]",
        )
        .compile_protos(&["proto/arborter_config.proto"], &["proto"])?;

    // Post-process the generated arborter_config file to fix attestation type references.
    // The generated code uses relative `super::super::super::attestation::v1::` paths,
    // but we need absolute `crate::attestation::v1::` paths for proper module resolution.
    fix_attestation_paths()?;

    Ok(())
}

fn fix_attestation_paths() -> Result<()> {
    use std::fs;

    let config_file = "proto/generated/xyz.aspens.arborter_config.v1.rs";
    let content = fs::read_to_string(config_file)?;

    // Replace relative attestation paths with absolute crate paths
    let fixed_content = content.replace(
        "super::super::super::attestation::v1::",
        "crate::attestation::v1::",
    );

    fs::write(config_file, fixed_content)?;
    Ok(())
}