Module smoldot::chain_spec

Substrate chain configuration.

A chain spec (short for chain specification) is the description of everything that is required for the client to successfully interact with a certain blockchain. For example, the Polkadot chain spec contains all the constants that are needed in order to successfully interact with Polkadot.

Chain specs contain, notably:

• The state of the genesis block. In other words, the initial content of the database. This includes the Wasm runtime code of the genesis block.
• The list of bootstrap nodes. These are the IP addresses of the machines we need to connect to.
• The default telemetry endpoints, to which we should send telemetry information to.
• The name of the network protocol, in order to avoid accidentally connecting to a different network.
• Multiple other miscellaneous information.

Structs

• ChainSpec
  A configuration of a chain. Can be used to build a genesis block.
• GenesisStorageItems
  See GenesisStorage.
• LightSyncState
• ParseError
  Error that can happen when parsing a chain spec JSON.

Enums

• Bootnode
  See ChainSpec::boot_nodes.
• CheckpointToChainInformationError
  Error when building the chain information corresponding to a checkpoint.
• FromGenesisStorageError
  Error when building the chain information from the genesis storage.
• GenesisStorage
  See ChainSpec::genesis_storage.