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ChainSpecBuilder

pop_chains

Enum ChainSpecBuilder 

Source 
pub enum ChainSpecBuilder {
    Node {
        node_path: PathBuf,
        default_bootnode: bool,
        profile: Profile,
    },
    Runtime {
        runtime_path: PathBuf,
        profile: Profile,
    },
}
Expand description

A builder for generating chain specifications.

This enum represents two different ways to build a chain specification:

  • Using an existing node.
  • Using a runtime.

Variants§

§

Node

A node-based chain specification builder.

Fields

§node_path: PathBuf

Path to the node directory.

§default_bootnode: bool

Whether to include a default bootnode in the specification.

§profile: Profile

The build profile to use (debug, release, production, etc).

§

Runtime

A runtime-based chain specification builder.

Fields

§runtime_path: PathBuf

Path to the runtime directory.

§profile: Profile

The build profile to use (debug, release, production, etc).

Implementations§

Source§

impl ChainSpecBuilder

Source

pub fn build( &self, features: &[String], redirect_output_to_stderr: bool, ) -> Result<PathBuf>

Builds the chain specification using the provided profile and features.

§Arguments
  • features - A list of cargo features to enable during the build
§Returns

The path to the built artifact

Source

pub fn path(&self) -> PathBuf

Gets the path associated with this chain specification builder.

§Returns

The path to either the node or runtime directory.

Source

pub fn profile(&self) -> Profile

Gets the build profile associated with this chain specification builder.

§Returns

The build profile (debug, release, production, etc.) to use when building the chain.

Source

pub fn artifact_path(&self) -> Result<PathBuf>

Gets the path to the built artifact.

§Returns

The path to the built artifact (node binary or runtime WASM).

Source

pub fn generate_plain_chain_spec( &self, chain_or_preset: &str, output_file: &Path, name: Option<&str>, id: Option<&str>, ) -> Result<(), Error>

Generates a plain (human readable) chain specification file.

§Arguments
  • chain_or_preset - The chain (when using a node) or preset (when using a runtime) name.
  • output_file - The path where the chain spec should be written.
  • name - The name to be used on the chain spec if specified.
  • id - The ID to be used on the chain spec if specified.
Source

pub fn generate_raw_chain_spec( &self, plain_chain_spec: &Path, raw_chain_spec_name: &str, ) -> Result<PathBuf, Error>

Generates a raw (encoded) chain specification file from a plain one.

§Arguments
  • plain_chain_spec - The path to the plain chain spec file.
  • raw_chain_spec_name - The name for the generated raw chain spec file.
§Returns

The path to the generated raw chain spec file.

Source

pub fn export_wasm_file( &self, raw_chain_spec: &Path, wasm_file_name: &str, ) -> Result<PathBuf, Error>

Extracts and exports the WebAssembly runtime code from a raw chain specification.

§Arguments
  • raw_chain_spec - Path to the raw chain specification file to extract the runtime from.
  • wasm_file_name - Name for the file where the extracted runtime will be saved.
§Returns

The path to the generated WASM runtime file.

§Errors

Returns an error if:

  • The chain specification file cannot be read or parsed.
  • The runtime cannot be extracted from the chain spec.
  • The runtime cannot be written to the output file.

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