BLOCK CHAIN SMART CONTRACT-BASED TRANSACTION HASH ACQUISITION METHOD AND SYSTEM

摘要

A blockchain smart contract-based transaction hash acquisition method and system are disclosed. In embodiments of the present specification, in one aspect, a transaction hash acquisition instruction is defined and added to an instruction set of a blockchain virtual machine. In addition, transaction hash acquisition logic corresponding to the transaction hash acquisition instruction is deployed in the blockchain virtual machine. In another aspect, the defined transaction hash acquisition instruction further needs to be added to an instruction set of a smart contract compiler, so a service smart contract compiled by using the smart contract compiler includes the transaction hash acquisition instruction. As such, if the service smart contract is deployed in a blockchain network, when constructing a service initiation transaction, a user can specify to invoke the service smart contract to execute the service initiation transaction.