penumbra_mock_consensus

Struct TestNode

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pub struct TestNode<C> { /* private fields */ }
Expand description

A test node.

A TestNode<C> represents a validator node containing an instance of the state transition machine and its accompanying consensus engine.

§Initialization

Construct a new test node by calling TestNode::builder(). The builder::Builder returned by that method can be used to set the initial application state, and configure validators’ consensus keys that should be present at genesis. Use builder::Builder::init_chain() to consume the builder and initialize the application.

§Consensus Service

A test node is generic in terms of a consensus service C. This service should implement [tower::Service], accepting ConsensusRequests, and returning ConsensusResponses.

For tower-abci users, this should correspond with the C parameter of the Server type.

§Blocks

Blocks can be executed by using TestNode::block(). This can be used to add transactions, signatures, and evidence to a Block, before invoking block::Builder::execute() to execute the next block.

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impl<C> TestNode<C>

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pub fn block(&mut self) -> Builder<'_, C>

Returns a new Builder.

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impl TestNode<()>

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pub fn builder() -> Builder

Returns a new Builder.

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impl<C> TestNode<C>
where C: Service<ConsensusRequest, Response = ConsensusResponse, Error = BoxError> + Send + Clone + 'static, C::Future: Send + 'static, C::Error: Sized,

ABCI-related interfaces.

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pub async fn begin_block( &mut self, header: Header, last_commit_info: CommitInfo, ) -> Result<BeginBlock, Error>

Sends a [ConsensusRequest::BeginBlock] request to the ABCI application.

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pub async fn deliver_tx(&mut self, tx: Bytes) -> Result<DeliverTx, Error>

Sends a [ConsensusRequest::DeliverTx] request to the ABCI application.

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pub async fn end_block(&mut self) -> Result<EndBlock, Error>

Sends a [ConsensusRequest::EndBlock] request to the ABCI application.

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pub async fn commit(&mut self) -> Result<Commit, Error>

Sends a [ConsensusRequest::Commit] request to the ABCI application.

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impl<C> TestNode<C>

Accessors.

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pub const CHAIN_ID: &'static str = "penumbra-test-chain"

A chain ID for use in tests.

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pub fn last_app_hash(&self) -> &[u8] ⓘ

Returns the last app_hash value, represented as a slice of bytes.

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pub fn last_commit(&self) -> Option<&Commit>

Returns the last commit value.

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pub fn last_validator_set_hash(&self) -> Option<&Hash>

Returns the last validator_set_hash value.

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pub fn timestamp(&self) -> &Time

Returns the most recent timestamp value.

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pub fn last_app_hash_hex(&self) -> String

Returns the last app_hash value, represented as a hexadecimal string.

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pub fn keyring(&self) -> &BTreeMap<VerificationKey, SigningKey>

Returns a reference to the test node’s set of consensus keys.

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pub fn keyring_mut(&mut self) -> &mut BTreeMap<VerificationKey, SigningKey>

Returns a mutable reference to the test node’s set of consensus keys.

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pub fn height(&self) -> &Height

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impl<C> TestNode<C>
where C: Service<ConsensusRequest, Response = ConsensusResponse, Error = BoxError> + Send + Clone + 'static, C::Future: Send + 'static, C::Error: Sized,

Fast forward interfaces.

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pub async fn fast_forward(&mut self, blocks: u64) -> Result<()>

Fast forwards the given number of blocks.

Auto Trait Implementations§

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impl<C> Freeze for TestNode<C>
where C: Freeze,

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impl<C> !RefUnwindSafe for TestNode<C>

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impl<C> Send for TestNode<C>
where C: Send,

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impl<C> Sync for TestNode<C>
where C: Sync,

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impl<C> Unpin for TestNode<C>
where C: Unpin,

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impl<C> !UnwindSafe for TestNode<C>

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