Methods, blockchain nodes and storage media for deploying 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 in a blockchain network, a transaction for creating a smart contract, wherein the transaction comprises a machine code of the smart contract, and the machine code of the smart contract is obtained by Ahead of Time (AoT) compilation of a bytecode of the smart contract in a first trusted execution environment (TEE);
• determining, by the blockchain node, that the machine code of the smart contract is obtained in a trusted TEE;
• and
• in response to determining that the machine code of the smart contract is obtained by the trusted TEE, completing, by the blockchain node, a deployment of the smart contract.

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 one or more operations comprising:
• receiving, by a blockchain node in a blockchain network, a transaction for creating a smart contract, wherein the transaction comprises a machine code of the smart contract, and the machine code of the smart contract is obtained by Ahead of Time (AoT) compilation of a bytecode of the smart contract in a first trusted execution environment (TEE);
• determining, by the blockchain node, that the machine code of the smart contract is obtained in a trusted TEE;
• and
• in response to determining that the machine code of the smart contract is obtained by the trusted TEE, completing, by the blockchain node, a deployment of the smart contract.

A computer-implemented method, comprising:

• sending, by a device, a bytecode of a smart contract to a first trusted execution environment (TEE);
• receiving, by the device, a machine code of the smart contract obtained by Ahead of Time (AoT) compilation of the bytecode of the smart contract by the first TEE;
• and
• sending, by the device to a blockchain node of a blockchain network, a transaction for creating the smart contract, wherein the transaction comprises the machine code of the smart contract, and the machine code of the smart contract is used for deployment of the smart contract in the blockchain network.