Time authentication method, apparatus and device in blockchain-type ledger
Computer-implemented methods, systems, and non-transitory, computer-readable media for server-based time authentication of blockchain-type ledgers are provided. One computer implemented method includes: determining at least one ledger that needs time authentication and includes one or more consecutive data blocks. For each ledger, determining ledger information corresponding to the ledger and including a plurality of items, such as: an identifier of the ledger, a block height of a starting block of the ledger, a block height of an ending block of the ledger, and a root hash of a Merkle tree formed by the one or more consecutive data blocks in the ledger. The ledger information is sent to a trusted time authentication agency for time authentication on each of the plurality of items. A time certificate, including a timestamp, the ledger information, and a digital signature of the time authentication agency is received from the time authentication agency.
1. A computer-implemented method for server-based time authentication of blockchain-type ledgers, comprising:
determining at least one ledger that needs time authentication, wherein the at least one ledger includes one or more consecutive data blocks; and
for each of the at least one ledger:
determining, ledger information corresponding to the ledger, wherein the ledger information includes a plurality of items including an identifier of the ledger, a block height of a starting block of the ledger, a block height of an ending block of the ledger, and a root hash of a Merkle tree formed by the one or more consecutive data blocks in the ledger;
sending the ledger information to a trusted time authentication agency for time authentication on each of the plurality of items; and
receiving a time certificate from the trusted time authentication agency, wherein the time certificate includes a timestamp, the ledger information, and a digital signature of the trusted time authentication agency.
2. The computer-implemented method of claim 1 , wherein the one or more consecutive data blocks in the ledger are generated by performing operations comprising:
receiving data records to be stored;
determining that a predetermined condition of generating a data block is satisfied; and
generating the data block that includes at least a portion of the data records.
3. The computer-implemented method of claim 2 , wherein the data block is a starting data block of the ledger that further includes one or more predetermined hash values and has a predetermined block-height.
4. The computer-implemented method of claim 2 , wherein the data block is not a starting data block of the ledger, the data block further includes a hash value generated based on the at least a portion of the data records and a hash value of an immediately preceding data block, and a time the data block is generated, and wherein a block height of the data block is greater than a block height of the immediately preceding data block.
5. The computer-implemented method of claim 2 , wherein the predetermined condition of generating a data block is one of a volume of the data records reaches a predetermined threshold and a last data block has been generated for a predetermined time.
6. The computer-implemented method of claim 1 , wherein the plurality of items included in the ledger information has a predetermined quantity limit or size limit.
7. The computer-implemented method of claim 1 , wherein the at least one ledger is determined based on a registration list, and the registration list includes ledger identifications corresponding to ledgers that are registered to be time authenticated.
8. The computer-implemented method of claim 7 , wherein the registration list further includes times when corresponding ledgers are registered to be time authenticated, and the at least one ledger is registered within a predetermined time interval.
9. 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 for server-based time authentication of blockchain-type ledgers, comprising:
determining at least one ledger that needs time authentication, wherein the at least one ledger includes one or more consecutive data blocks; and
for each of the at least one ledger:
determining, ledger information corresponding to the ledger, wherein the ledger information includes a plurality of items including an identifier of the ledger, a block height of a starting block of the ledger, a block height of an ending block of the ledger, and a root hash of a Merkle tree formed by the one or more consecutive data blocks in the ledger;
sending the ledger information to a trusted time authentication agency for time authentication on each of the plurality of items; and
receiving a time certificate from the trusted time authentication agency, wherein the time certificate includes a timestamp, the ledger information, and a digital signature of the trusted time authentication agency.
10. The computer-implemented system of claim 9 , wherein the one or more consecutive data blocks in the ledger are generated by performing operations comprising:
receiving data records to be stored;
determining that a predetermined condition of generating a data block is satisfied; and
generating the data block that includes at least a portion of the data records.
11. The computer-implemented system of claim 10 , wherein the data block is a starting data block of the ledger that further includes one or more predetermined hash values and has a predetermined block-height.
12. The computer-implemented system of claim 10 , wherein the data block is not a starting data block of the ledger, the data block further includes a hash value generated based on the at least a portion of the data records and a hash value of an immediately preceding data block, and a time the data block is generated, and wherein a block height of the data block is greater than a block height of the immediately preceding data block.
13. The computer-implemented system of claim 10 , wherein the predetermined condition of generating a data block is one of a volume of the data records reaches a predetermined threshold and a last data block has been generated for a predetermined time.
14. The computer-implemented system of claim 9 , wherein the plurality of items included in the ledger information has a predetermined quantity limit or size limit.
15. The computer-implemented system of claim 9 , wherein the at least one ledger is determined based on a registration list, and the registration list includes ledger identifications corresponding to ledgers that are registered to be time authenticated.
16. The computer-implemented system of claim 15 , wherein the registration list further includes times when corresponding ledgers are registered to be time authenticated, and the at least one ledger is registered within a predetermined time interval.
17. A non-transitory, computer-readable medium storing one or more instructions executable by a computer system to perform operations for server-based time authentication of blockchain-type ledgers, comprising:
determining at least one ledger that needs time authentication, wherein the at least one ledger includes one or more consecutive data blocks; and
for each of the at least one ledger:
determining, ledger information corresponding to the ledger, wherein the ledger information includes a plurality of items including an identifier of the ledger, a block height of a starting block of the ledger, a block height of an ending block of the ledger, and a root hash of a Merkle tree formed by the one or more consecutive data blocks in the ledger;
sending the ledger information to a trusted time authentication agency for time authentication on each of the plurality of items; and
receiving a time certificate from the trusted time authentication agency, wherein the time certificate includes a timestamp, the ledger information, and a digital signature of the trusted time authentication agency.
18. The non-transitory, computer-readable medium of claim 17 , wherein the one or more consecutive data blocks in the ledger are generated by performing operations comprising:
receiving data records to be stored;
determining that a predetermined condition of generating a data block is satisfied; and
generating the data block that includes at least a portion of the data records.
19. The non-transitory, computer-readable medium of claim 18 , wherein the data block is a starting data block of the ledger that further includes one or more predetermined hash values and has a predetermined block-height.
20. The non-transitory, computer-readable medium of claim 18 , wherein the data block is not a starting data block of the ledger, the data block further includes a hash value generated based on the at least a portion of the data records and a hash value of an immediately preceding data block, and a time the data block is generated, and wherein a block height of the data block is greater than a block height of the immediately preceding data block.
21. The non-transitory, computer-readable medium of claim 18 , wherein the predetermined condition of generating a data block is one of a volume of the data records reaches a predetermined threshold and a last data block has been generated for a predetermined time.
22. The non-transitory, computer-readable medium of claim 17 , wherein the plurality of items included in the ledger information has a predetermined quantity limit or size limit.
23. The non-transitory, computer-readable medium of claim 17 , wherein the at least one ledger is determined based on a registration list, and the registration list includes ledger identifications corresponding to ledgers that are registered to be time authenticated.
24. The non-transitory, computer-readable medium of claim 23 , wherein the registration list further includes times when corresponding ledgers are registered to be time authenticated, and the at least one ledger is registered within a predetermined time interval.