DATA PROCESSING METHOD AND APPARATUS

• US 20200136804A1
• Filed: 07/08/2019
• Published: 04/30/2020
• Est. Priority Date: 10/26/2018
• Status: Active Grant

• Current Assignee: Advanced New Technologies Company Limited (Ant Group Co., Ltd.)
• Original Assignee: Alibaba Group Holding Ltd.
• Inventors: ZHUO, Haizhen, QIU, Honglin
• Granted Patent: US 10,999,060 B2
• Time in Patent Office: Days
• CPC Class Codes: G06F 16/2358 Change logging, detection, and notification replication G06F16/27
• CPC Class Codes: G06F 16/9027 Trees
• CPC Class Codes: H04L 9/0637 Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
• CPC Class Codes: H04L 9/0643 Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
• CPC Class Codes: H04L 9/3239 involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
• CPC Class Codes: H04L 9/50 using hash chains, e.g. blockchains or hash trees

Abstract

Methods, system, and apparatus, including computer programs encoded on computer storage media for data processing are provided. One of the methods includes: establishing a logic contract of a blockchain and one or more data contracts corresponding to the logic contract; deploying the logic contract and the one or more data contracts in the blockchain; storing data of a target block in the blockchain into the one or more data contracts; computing a hash value of each of the one or more data contracts; and determining a hash value of the target block in the blockchain based on the hash value of each of the one or more data contracts.

Claims

1. A data processing method, comprising:

establishing a logic contract of a blockchain and one or more data contracts corresponding to the logic contract;

deploying the logic contract and the one or more data contracts on the blockchain;

storing data of a target block in the blockchain into the one or more data contracts;

computing a hash value of each of the one or more data contracts; and

determining a hash value of the target block in the blockchain based on the hash value of each of the one or more data contracts.

2. The method of claim 1, wherein establishing the one or more data contracts comprises:

when a volume of the one or more data contracts in the blockchain reaches a preset threshold, establishing a new data contract for the blockchain.

3. The method of claim 1, wherein establishing the logic contract comprises:

separating a logic part of a smart contract of the blockchain to establish the logic contract for processing transaction logic.

4. The method of claim 3, further comprising:

upgrading the logic contract to upgrade the smart contract.

5. The method of claim 4, wherein upgrading the logic contract to upgrade the smart contract comprises:

upgrading the logic contract to upgrade the smart contract without upgrading the one or more data contracts.

6. The method of claim 3, further comprising:

sharing the data in the one or more data contracts to other smart contracts.

7. The method of claim 1, wherein storing the data of the target block in the blockchain into the one or more data contracts comprises:

uniformly distributing and storing the data of the target block into the one or more data contracts.

8. The method of claim 7, wherein computing the hash value of each of the one or more data contracts comprises:

computing the hash value of each of the one or more data contracts in a parallel manner.

9. The method of claim 1, wherein computing the hash value of each of the one or more data contracts comprises:

performing a Merkle tree hash computation on each of the one or more data contracts to compute the hash value.

10. The method of claim 1, wherein determining the hash value of the target block in the blockchain based on the hash value of each of the one or more data contracts:

performing a hash calculation of the hash value of each of the one or more data contracts to obtain the hash value of the target block.

11. The method of claim 1, further comprising:

computing a hash value of the logic contract; and

determining the hash value of the target block in the blockchain based on the hash value of the logic contract and the hash value of each of the one or more data contracts.

12. The method of claim 11, wherein determining the hash value of the target block in the blockchain based on the hash value of the logic contract and the hash value of each of the one or more data contracts:

performing a hash calculation of the hash value of the logic contract and the hash value of each of the one or more data contracts to obtain the hash value of the target block.

13. A non-transitory computer-readable storage medium configured with instructions executable by one or more processors to cause the one or more processors to perform operations comprising:

establishing a logic contract of a blockchain and one or more data contracts corresponding to the logic contract;

deploying the logic contract and the one or more data contracts in the blockchain;

storing data of a target block in the blockchain into the one or more data contracts;

computing a hash value of each of the one or more data contracts; and

determining a hash value of the target block in the blockchain based on the hash value of each of the one or more data contracts.

14. The non-transitory computer-readable storage medium of claim 13, wherein establishing the one or more data contracts comprises:

when a volume of the one or more data contracts in the blockchain reaches a preset threshold, establishing a new data contract for the blockchain.

15. The non-transitory computer-readable storage medium of claim 13, wherein establishing the logic contract comprises:

separating a logic part of a smart contract of the blockchain to establish the logic contract for processing transaction logic.

16. The non-transitory computer-readable storage medium of claim 15, wherein the operations further comprise:

upgrading the logic contract to upgrade the smart contract; and

sharing the data in the one or more data contracts to other smart contracts.

17. A data processing apparatus, comprising one or more processors and one or more non-transitory computer-readable memories coupled to the one or more processors and configured with instructions executable by the one or more processors to cause the system to perform operations comprising:

establishing a logic contract of a blockchain and one or more data contracts corresponding to the logic contract;

deploying the logic contract and the one or more data contracts in the blockchain;

storing data of a target block in the blockchain into the one or more data contracts;

computing a hash value of each of the one or more data contracts; and

determining a hash value of the target block in the blockchain based on the hash value of each of the one or more data contracts.

18. The data processing apparatus of claim 17, wherein establishing the one or more data contracts comprises:

when a volume of the one or more data contracts in the blockchain reaches a preset threshold, establishing a new data contract for the blockchain.

19. The data processing apparatus of claim 17, wherein establishing the logic contract comprises:

separating a logic part of a smart contract of the blockchain to establish the logic contract for processing transaction logic.

20. The data processing apparatus of claim 19, wherein the operations further comprise:

upgrading the logic contract to upgrade the smart contract; and

sharing the data in the one or more data contracts to other smart contracts.