Data verification
View Patent ↗One or more embodiments of the present specification relate to data verification methods, apparatuses, and electronic devices. An example method includes obtaining a smart contract from a main chain network, determining, based on the smart contract, a sub-chain network corresponding to the main chain network and including a first blockchain node and a second blockchain node, sending through the sub-chain network, a data verification request that includes data to be verified, receiving a verification result and verification progress information, storing the verification result in the sub-chain network, and storing the verification progress information in the main chain network.
1. A computer-implemented method, comprising:
obtaining, by a first blockchain node, a smart contract from a main chain network comprising the first blockchain node;
determining, based on the smart contract, a sub-chain network corresponding to the main chain network and comprising the first blockchain node and a second blockchain node, wherein determining the sub-chain network comprises, in response to determining that a historical sub-chain network has been previously constructed based on the first blockchain node and is stored in the main chain network, determining the sub-chain network based on the historical sub-chain network;
sending, by the first blockchain node and to the second blockchain node, through the sub-chain network, a data verification request that comprises data to be verified;
receiving, by the first blockchain node and from the second blockchain node, a verification result and verification progress information;
storing the verification result in the sub-chain network; and
storing the verification progress information in the main chain network.
2. The computer-implemented method of claim 1 , further comprising:
sending, by the first blockchain node, a sub-chain network construction request to the main chain network; and
after the sub-chain network has been constructed, receiving, by the first blockchain node, identity information of the sub-chain network.
3. The computer-implemented method of claim 2 , further comprising:
before sending the sub-chain network construction request to the main chain network, obtaining identity information of at least one second blockchain node in the main chain network based on the smart contract; and
generating, by the first blockchain node, the sub-chain network construction request based on the identity information of the second blockchain node.
4. The computer-implemented method of claim 3 , wherein obtaining identity information of at least one second blockchain node in the main chain network comprises:
determining a service type corresponding to the data to be verified; and
obtaining, based on the smart contract, the identity information of the second blockchain node corresponding to the service type in the main chain network.
5. The computer-implemented method of claim 2 , further comprising:
configuring a sub-chain ledger corresponding to the identity information of the sub-chain network.
6. The computer-implemented method of claim 1 , wherein determining the sub-chain network based on the historical sub-chain network comprises:
in response to determining that the smart contract comprises update information of identity information of the second blockchain node in the historical sub-chain network, determining the sub-chain network based on the update information.
7. A non-transitory, computer-readable medium storing one or more instructions executable by a computer system to perform operations comprising:
obtaining, by a first blockchain node, a smart contract from a main chain network comprising the first blockchain node;
determining, based on the smart contract, a sub-chain network corresponding to the main chain network and comprising the first blockchain node and a second blockchain node, wherein determining the sub-chain network comprises, in response to determining that a historical sub-chain network has been previously constructed based on the first blockchain node and is stored in the main chain network, determining the sub-chain network based on the historical sub-chain network;
sending, by the first blockchain node and to the second blockchain node, through the sub-chain network, a data verification request that comprises data to be verified;
receiving, by the first blockchain node and from the second blockchain node, a verification result and verification progress information;
storing the verification result in the sub-chain network; and
storing the verification progress information in the main chain network.
8. The computer-readable medium of claim 7 , the operations further comprising:
sending, by the first blockchain node, a sub-chain network construction request to the main chain network; and
after the sub-chain network has been constructed, receiving, by the first blockchain node, identity information of the sub-chain network.
9. The computer-readable medium of claim 8 , the operations further comprising:
before sending the sub-chain network construction request to the main chain network, obtaining identity information of at least one second blockchain node in the main chain network based on the smart contract; and
generating, by the first blockchain node, the sub-chain network construction request based on the identity information of the second blockchain node.
10. The computer-readable medium of claim 9 , wherein obtaining identity information of at least one second blockchain node in the main chain network comprises:
determining a service type corresponding to the data to be verified; and
obtaining, based on the smart contract, the identity information of the second blockchain node corresponding to the service type in the main chain network.
11. The computer-readable medium of claim 8 , the operations further comprising:
configuring a sub-chain ledger corresponding to the identity information of the sub-chain network.
12. The computer-readable medium of claim 7 , wherein determining the sub-chain network based on the historical sub-chain network comprises:
in response to determining that the smart contract comprises update information of identity information of the second blockchain node in the historical sub-chain network, determining the sub-chain network based on the update information.
13. 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:
obtaining, by a first blockchain node, a smart contract from a main chain network comprising the first blockchain node;
determining, based on the smart contract, a sub-chain network corresponding to the main chain network and comprising the first blockchain node and a second blockchain node, wherein determining the sub-chain network comprises, in response to determining that a historical sub-chain network has been previously constructed based on the first blockchain node and is stored in the main chain network, determining the sub-chain network based on the historical sub-chain network;
sending, by the first blockchain node and to the second blockchain node, through the sub-chain network, a data verification request that comprises data to be verified;
receiving, by the first blockchain node and from the second blockchain node, a verification result and verification progress information;
storing the verification result in the sub-chain network; and
storing the verification progress information in the main chain network.
14. The computer-implemented system of claim 13 , the operations further comprising:
sending, by the first blockchain node, a sub-chain network construction request to the main chain network; and
after the sub-chain network has been constructed, receiving, by the first blockchain node, identity information of the sub-chain network.
15. The computer-implemented system of claim 14 , the operations further comprising:
before sending the sub-chain network construction request to the main chain network, obtaining identity information of at least one second blockchain node in the main chain network based on the smart contract; and
generating, by the first blockchain node, the sub-chain network construction request based on the identity information of the second blockchain node.
16. The computer-implemented system of claim 15 , wherein obtaining identity information of at least one second blockchain node in the main chain network comprises:
determining a service type corresponding to the data to be verified; and
obtaining, based on the smart contract, the identity information of the second blockchain node corresponding to the service type in the main chain network.
17. The computer-implemented system of claim 14 , the operations further comprising:
configuring a sub-chain ledger corresponding to the identity information of the sub-chain network.
18. The computer-implemented system of claim 13 , wherein determining the sub-chain network based on the historical sub-chain network comprises:
in response to determining that the smart contract comprises update information of identity information of the second blockchain node in the historical sub-chain network, determining the sub-chain network based on the update information.