Hercule represents acontract via regulatory norms that capture the involved parties’ expectation . It computes the states of norms (hence, of contracts) from events in the blockchain . Hercule’s novelty and significance lie in that itoperationalizes declarative contracts over semistructured databases . It exploits the map-reduce capabilities of suchstores to compute norm states . We demonstrate that our implementation over Hyperledger Fabric can processthousands of events per second, sufficient for many applications . We show that implementation can procececehousands of . events per . second, enough for many . applications, enough to . many applications

Author(s) : Samuel H. Christie V, Amit K. Chopra, Munindar P. Singh

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Keywords : events - hercule - norms - applications - contracts -

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