Struct cumulus_test_service::TestNodeBuilder

impl TestNodeBuilder

pub fn new(para_id: ParaId, tokio_handle: Handle, key: Sr25519Keyring) -> Self

Create a new instance of Self.

para_id - The parachain id this node is running for. tokio_handle - The tokio handler to use. key - The key that will be used to generate the name and that will be passed as dev_seed.

pub fn enable_collator(self) -> Self

Enable collator for this node.

pub fn exclusively_connect_to_registered_parachain_nodes(self) -> Self

Instruct the node to exclusively connect to registered parachain nodes.

Parachain nodes can be registered using Self::connect_to_parachain_node and Self::connect_to_parachain_nodes.

pub fn connect_to_parachain_node(self, node: &TestNode) -> Self

Make the node connect to the given parachain node.

By default the node will not be connected to any node or will be able to discover any other node.

pub fn connect_to_parachain_nodes<'a>( self, nodes: impl IntoIterator<Item = &'a TestNode> ) -> Self

Make the node connect to the given parachain nodes.

By default the node will not be connected to any node or will be able to discover any other node.

pub fn connect_to_relay_chain_node(self, node: &PolkadotTestNode) -> Self

Make the node connect to the given relay chain node.

By default the node will not be connected to any node or will be able to discover any other node.

pub fn connect_to_relay_chain_nodes<'a>( self, nodes: impl IntoIterator<Item = &'a PolkadotTestNode> ) -> Self

Make the node connect to the given relay chain nodes.

By default the node will not be connected to any node or will be able to discover any other node.

pub fn wrap_announce_block( self, wrap: impl FnOnce(AnnounceBlockFn) -> AnnounceBlockFn + 'static ) -> Self

Wrap the announce block function of this node.

pub fn update_storage_parachain(self, updater: impl Fn() + 'static) -> Self

Allows accessing the parachain storage before the test node is built.

pub fn update_storage_relay_chain(self, updater: impl Fn() + 'static) -> Self

Allows accessing the relay chain storage before the test node is built.

pub fn use_null_consensus(self) -> Self

Use the null consensus that will never author any block.

pub fn use_external_relay_chain_node_at_url(self, network_address: Url) -> Self

Connect to full node via RPC.

pub fn use_external_relay_chain_node_at_port(self, port: u16) -> Self

Connect to full node via RPC.

pub fn endowed_accounts(self, accounts: Vec<AccountId>) -> TestNodeBuilder

Accounts which will have an initial balance.

pub async fn build(self) -> TestNode

Build the TestNode.

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impl !UnwindSafe for TestNodeBuilder

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