Methods, blockchain nodes, and storage media for executing smart contract

A non-transitory, computer-readable medium storing one or more instructions executable by a computer system to perform operations comprising:

• receiving, by a blockchain node of a blockchain, bytecode of a smart contract;
• deploying, by the blockchain node, the smart contract, comprising storing the bytecode of the smart contract on the blockchain;
• compiling, by the blockchain node and through Just-In-Time (JIT) compilation, the bytecode of the smart contract into machine code;
• locally storing, by the blockchain node, the machine code in a memory of the blockchain node;
• and
• executing, by the blockchain node, the smart contract deployed on the blockchain, comprising
• determining whether the machine code corresponding to the bytecode of the smart contract is locally stored in the memory of the blockchain node, and
• interpreting and executing the bytecode of the smart contract if the machine code corresponding to the bytecode of the smart contract is not locally stored.

A computer-implemented system, comprising:

• one or more computers;
• and
• one or more computer memory devices interoperably coupled with the one or more computers and having tangible, non-transitory, machine-readable media storing one or more instructions that, when executed by the one or more computers, perform operations comprising:
• receiving, by a blockchain node of a blockchain, bytecode of a smart contract;
• deploying, by the blockchain node, the smart contract, comprising storing the bytecode of the smart contract on the blockchain;
• compiling, by the blockchain node and through Just-In-Time (JIT) compilation, the bytecode of the smart contract into machine code;
• locally storing, by the blockchain node, the machine code in a memory of the blockchain node;
• and
• executing, by the blockchain node, the smart contract deployed on the blockchain, comprising
• determining whether the machine code corresponding to the bytecode of the smart contract is locally stored in the memory of the blockchain node, and
• interpreting and executing the bytecode of the smart contract if the machine code corresponding to the bytecode of the smart contract is not locally stored.