Module double 

Test doubles

Enable unit testing of blockchain interactions with controlled inputs and predictable behavior.

Structs

DumbBlockScanner

Dumb block scanner

DumbBlockStreamer

Dumb block streamer

FakeChainObserver

A Fake ChainObserver for testing purpose using fixed data.

FakeChainReader

FakeChainReader is a fake implementation of ChainBlockReader for testing purposes.

InMemoryBlockRangeRoot

In memory Block range root representation, for testing purposes.

InMemoryChainDataStore

In memory implementation of ChainDataStore, for testing purposes.

InMemoryChainDataStoreBuilder

Builder for InMemoryChainDataStore.