Technical ReferencesSmart ContractsSolidity DocsinterfacesVersion: v3.xinterfacesDocumentation for smart contracts inside the interfaces folder. IInitialVoiceCreditProxy.md IMACI.md IMessageProcessor.md IMessageProcessorFactory.md IPoll.md IPollFactory.md ISemaphore.md ITally.md ITallyFactory.md IVerifier.md IVerifyingKeysRegistry.md