iota_types::mock_checkpoint_builder

Struct MockCheckpointBuilder

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pub struct MockCheckpointBuilder { /* private fields */ }
Expand description

A utility to build consecutive checkpoints by adding transactions to the checkpoint builder. It’s mostly used by simulations, tests and benchmarks.

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impl MockCheckpointBuilder

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pub fn new(previous_checkpoint: VerifiedCheckpoint) -> Self

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pub fn size(&self) -> usize

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pub fn epoch_rolling_gas_cost_summary(&self) -> &GasCostSummary

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pub fn push_transaction( &mut self, transaction: VerifiedTransaction, effects: TransactionEffects, )

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pub fn override_next_checkpoint_number( &mut self, checkpoint_number: u64, validator_keys: &impl ValidatorKeypairProvider, )

Overrides the next checkpoint number indirectly by setting the previous checkpoint’s number to checkpoint_number - 1. This ensures the next generated checkpoint has the exact sequence number provided. This can be useful to generate checkpoints with specific sequence numbers. Monotonicity of checkpoint numbers is enforced strictly.

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pub fn build( &mut self, validator_keys: &impl ValidatorKeypairProvider, timestamp_ms: u64, ) -> (VerifiedCheckpoint, CheckpointContents, VerifiedCheckpointContents)

Builds a checkpoint using internally buffered transactions.

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pub fn build_end_of_epoch( &mut self, validator_keys: &impl ValidatorKeypairProvider, timestamp_ms: u64, new_epoch: u64, end_of_epoch_data: EndOfEpochData, ) -> (VerifiedCheckpoint, CheckpointContents, VerifiedCheckpointContents)

Trait Implementations§

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impl Debug for MockCheckpointBuilder

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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