Tencent Technology (Shenzhen) Company Limited

Huawei Technologies Co., Limited

Tencent Technology Company Limited

Changqing Yang

Kaiban Zhou

Maocai Li

Zongyou Wang

Yifang Shi

Li Kong

Jinsong Zhang

Hu Lan

Gengliang Zhu

Qucheng Liu

Yong Ding

Haitao Tu

Huankun Huang

Rui Guo

Pan Liu

Nan Wang

Qiuping Chen

Sha Ma

Peng Wang

Hang Liu

Lei Gao

Yong Wu

Jiezuo Zhu

Zhiyong Liao

A resource configuration method for a short-range communications field includes obtaining at least one resource parameter; determining a first time-frequency resource based on the at least one resource parameter; and sending at least one piece of resource configuration information to at least one second terminal device. The at least one piece of resource configuration information is used to configure at least one second time-frequency resource used for the at least one second terminal device, and the at least one second time-frequency resource belongs to the first time-frequency resource.

Resource configuration method, communication method, and apparatus

This application discloses a blockchain-based data detection method performed by a computer device. The method includes obtaining respective block verification results of at least two consensus nodes for a to-be-verified block; counting valid verification results and invalid verification results among the respective block verification results of the at least two consensus nodes; determining a target verification result for the block according to the counts, comparing the target verification result with the respective block verification results of the at least two consensus nodes for the block, and updating a historical quantity of abnormal verifications corresponding to each consensus node according to a result of the comparison, to obtain a target quantity of abnormal verifications of each consensus node counted by the target consensus node; and determining an abnormal consensus node among the at least two consensus nodes according to the target quantity of abnormal verifications counted by the target consensus node.

Blockchain-based data detection method, apparatus, and computer-readable storage medium

This application provide a data management method performed at a blockchain system. The system includes an accounting node sub-network and a service node sub-network. The method includes: generating a first data block in the accounting node sub-network; adding first key information to a block header of the first data block; adding signature corresponding to the first data block to the block header of the first data block; and releasing the block header of the first data block to the service node sub-network. The service node sub-network is configured to verify the signature comprised in the block header of the first data block, and obtain the first key information after a successful verification.

Data management method and apparatus for blockchain system, medium, and electronic device

A method for electing a representative node device performed by a first node device in a blockchain system includes: broadcasting candidate addition transaction data in the blockchain system, the candidate addition transaction data carrying credential data, the credential data being received from a target server and indicating that a first node device meets a qualification requirement for a candidate node device; storing the candidate addition transaction data on a target blockchain of a blockchain system when a plurality of node devices in the blockchain system verify the candidate addition transaction data by consensus; and participating in an election of the representative node device according to the candidate addition transaction data stored on the target blockchain.

Method and apparatus for electing representative node device, computer device, and storage medium

Embodiments of this disclosure provide a connection configuration method and apparatus, and relate to the field of communication technologies. The method includes: obtaining device information of at least one second device; and generating topology information based on the device information of the at least one second device, where the topology information indicates a connection relationship between a first device and the at least one second device or a connection relationship between the at least one second device, and the connection relationship indicates a priority of a device and/or a master-slave relationship between devices. In this way, efficiency and convenience of connection configuration of a plurality of short-distance devices can be improved.

Connection configuration method and apparatus

Aspects of the disclosure are directed to a method for use on a blockchain network that includes an accounting node subnetwork having accounting nodes configured to record a data block onto a blockchain and a service node having service nodes configured to verify data blocks recorded by the accounting nodes onto the blockchain. The method can include generating a signature based on transaction information to be included in a data block to be added onto the blockchain by using a key specific to the accounting node. The method can further include adding the transaction information and the generated signature to the data block and adding the data block onto the blockchain, and transmitting the signature to the service nodes in the service node subnetwork, so that the service nodes perform signature verification on the signature based on the key specific to the accounting node.

Separation of accounting node subnetwork and service node subnetwork

Data routing with a forwarding process of service data can avoid problems of offline nodes. The forwarding process for data routing can also improve the fault tolerance and service data can be quickly transmitted to a corresponding data pool. Using consensus nodes and a target data pool with routing and forwarding tables along with subtrees from a trie tree can improve the routing. Subtrees may be obtained by splitting the trie tree from a root node by using a first leaf node as a benchmark, which correspondingly represents a data pool of the consensus node. The routing and forwarding table is configured to record addresses of data pools correspondingly represented by a preset quantity of leaf nodes in a corresponding subtree.

Data routing method and related apparatus

Embodiments of this disclosure disclose a resource transfer data management method and apparatus, and a storage medium, which belong to the field of Internet technologies. The method includes: receiving transaction data transmitted by a first server, wherein the transaction data is obtained by the first server by signing resource transfer data according to a private key of the first server; verifying the transaction data according to a public key of the first server; and generating a second block according to the transaction data and a feature value of a first block in a blockchain when the verification succeeds, and adding the second block as a next block of the first block to the blockchain.

Resource transfer data management method and apparatus, and storage medium

A communications method includes a first communications device that communicates a first signal on a first time domain resource in a first time unit, communicates a second signal on a third time domain resource in a second time unit, communicates a fourth signal on a second time domain resource in the first time unit, and communicates a third signal on a fourth time domain resource in the second time unit. The first time unit successively includes, in time domain, the first time domain resource, a first guard period, the second time domain resource, and a second guard period that are consecutive in time domain, and the second time unit successively includes, in time domain, the third time domain resource, a third guard period, the fourth time domain resource, and a fourth guard period that are consecutive in time domain.

Communications method and apparatus

Embodiments of this application provide a synchronization processing method, apparatus, and device, and a medium. The method includes obtaining a skeleton set and a synchronization task set, the skeleton set being used for storing M blocks to be synchronized by the first node device, the skeleton set comprising P skeletons, the synchronization task set comprising P synchronization tasks, the P skeletons being of a one-to-one correspondence to the P synchronization tasks, and M and P both being positive integers; selecting a second node device from the candidate node set, the second node device being a candidate node device in the candidate node set; concurrently transmitting synchronization tasks in the synchronization task set to the second node device, the second node device performing the synchronization tasks and returning the M blocks; and filling the M blocks into the skeletons in the skeleton set.

Synchronization processing method and related apparatus

This application discloses a key generation method and apparatus, a device, and a medium. The method includes transmitting a key negotiation request to a consensus node in a blockchain network, to request a key verification parameter; negotiating a collaboration key pair with a second device to obtain a first private key component and a shared public key in the collaboration key pair; signing the key verification parameter by using the first private key component, to obtain a first signature component; generating transaction data according to the first signature component and the key verification parameter; transmitting the transaction data to the second device. The consensus node performs a consensus on the negotiation result data, and after the negotiation result data passes the consensus, submits the negotiation result data to a blockchain of the blockchain network.

Key generation method and apparatus, device, and medium

A method for electing a representative node device for a blockchain system includes: receiving IP address information of a first node device, the first node device being in a candidate state for a representative node device; receiving, from the first node device, an IP address obtaining request for requesting IP address information of a representative node device; when the first node device is determined to be a representative node device of the blockchain system elected in a current election process, transmitting, to the first node device, an IP address list comprising IP address information of representative node devices elected in the current election process; and when the first node device is determined not to be a representative node device of the blockchain system elected in the current election process, skipping the IP address obtaining request.

Method for recording data block in blockchain network, accounting node, and medium

This application provide a data management method for a blockchain system, a medium, and an electronic device. The system includes an accounting node sub-network and a service node sub-network. The method includes: adding, after an accounting node generates a first data block, first key information used for verifying a block header of a second data block generated after the first data block to a block header of the first data block; generating a signature corresponding to the first data block, and adding the signature corresponding to the first data block to the block header of the first data block; and releasing the block header of the first data block to the service node sub-network, to cause a service node to verify the signature included in the block header of the first data block, and obtaining the first key information after a successful verification to verify the block header of the second data block.

A blockchain-based data synchronization method, executed by a first service node, includes: acquiring target block data having a minimum block height that is greater than a first local block height, the first local block height being a maximum block height of local block data of the first service node before the first service node acquires the target block data; determining a block height of missing block data according to a block height of the target block data and the first local block height, the block height of the missing block data being less than the minimum block height of the target block data and greater than the first local block height; and requesting a target service node to synchronize the missing block data according to the block height of the missing block data.

Growing community of inventors

Shenzhen, China

Changqing Yang