Command-line tools

This section provides reference information for Substrate command-line tools.

Command entry point	Description
subkey	Generate and manage public and private key pairs for accounts.
memory-profiler	Collect information about memory allocation and the behavior of blockchain applications over time.
try-runtime	Query a snapshot of runtime storage to retrieve state.
srtool	Build WASM runtime in a deterministic way, allowing continuous integration pipelines and users to produce a strictly identical WASM runtime.
subxt	Submit extrinsics to a Substrate node using RPC.
tx-wrapper	Publish chain specific offline transaction generation libraries.
sub-flood	Flood a Substrate node with transactions.
substrate-archive	Index all blocks, state, and extrinsic data from a chain into PostgreSQL database.
sidecar	Use a REST service to interact with blockchain nodes built using FRAME.
polkadot-launch	Launch a local Polkadot test network.