Abstract: Disclosed are a method and a system for data uploading, which belongs to the technical field of blockchain. The method comprises: receiving a block upload request sent by a slave server of a target node; determining whether block data corresponding to the block upload request has been uploaded to a block data storage system; if the block data corresponding to the block upload request is not uploaded to the block data storage system, acquiring the block data if the block data corresponding to the block upload request is not uploaded to the block data storage system, and uploading the block data to a storage space of the block data storage system; and sending an uploading success instruction to the slave server if the uploading is successful, so as to instruct the slave server to delete the block data stored on a light-weight peer in the target node.

Abstract: Disclosed are a method and an apparatus for reading and writing data. The method includes: determining a target data block cluster space a target data block to be read and written belongs to; determining a target storage address corresponding to the target data block according to a starting address of the data block cluster space, a spatial size of the block nodes in the data block cluster space and a block index of the target data block; and performing reading operation or writing operation on the target data block according to the target storage address.

Abstract: Disclosed are a method and an apparatus for body temperature measurement, a robot and storage medium. The method includes: when it is determined that there is a target user moving in a detection area of a robot, determining an orientation of the target user; adjusting a head of the robot according to the orientation of the target user so that a device for body temperature measurement arranged on the head of the robot faces the target user; and measuring a body temperature of the target user by using the device for body temperature measurement and reporting to a target processor, so that the target processor outputs and displays a result of the body temperature measurement. The method can reduce the time spent on temperature measurement and improve the efficiency of body temperature measurement.

Abstract: An inspection robot and a lifting apparatus thereof, where when the inspection robot collects image data in a height direction of the inspection robot and in a large range, this can be implemented by the lifting apparatus without need to set multiple image acquisition devices in an upper and down direction, which is beneficial to reduce the cost of the inspection robot. Moreover, in the lifting apparatus, a slide and an image requisition device mounted on the slide can slide up and down relative to a supporting slide rail, and the supporting slide rail can drive the slide and the image requisition device mounted on the slide to slide up and down relative to a side rail.

Abstract: Disclosed are a method and an apparatus for acquiring inventory data, a terminal device and a computer-readable storage medium. The method comprises: receiving a request for inventory data sent by a terminal device, where electronic tag data of the target item being carried in the request for inventory data; according to the inventory data request, searching among inventory record data pre-stored in a blockchain network for target inventory data corresponding to the electronic tag data, where the target inventory data being corresponding to the target item; and sending the target inventory data to the terminal device.

Abstract: A method and an apparatus for issuing a smart contract are provided. The method may include: acquiring the smart contract; determining whether the smart contract comprises a preset function; generating, in response to determining that the smart contract does not include the preset function, verification data of the smart contract based on a proof-of-work technology; and sending a request for issuing the smart contract re based n the verification data.

Abstract: A system, a method and a device for developing a smart contract are provided. A particular embodiment of the system comprises a specification acquisition module configured to acquire specification of a target smart contract interface, a client development module configured to generate, on the basis of the specification of the target smart contract interface, a smart contract client side interface and a smart contract client side agent, the smart contract client side interface and the smart contract client side agent being used to construct a client smart contract application, and a server development module configured to generate, on the basis of the interface specification of the target smart contract, a smart contract server interface and a smart contract server skeleton, the smart contract server interface and the smart contract server skeleton being used to construct a server smart contract.

Abstract: Disclosed are a method and a system for data uploading, which belongs to the technical field of blockchains-. The method comprises: receiving a block upload request sent by a slave server of a target node; determining whether block data corresponding to the block upload request has been uploaded to a block data storage system; if the block data corresponding to the block upload request is not uploaded to the block data storage system, acquiring the block data if the block data corresponding to the block upload request is not uploaded to the block data storage system, and uploading the block data to a storage space of the block data storage system; and sending an uploading success instruction to the slave server if the uploading is successful, so as to instruct the slave server to delete the block data stored on a light-weight peer in the target node.

Abstract: The present disclosure relates to an information acquisition device, method, patrol robot and storage medium, which relates to the technical field of robots. The information acquisition device includes: a photographing module configured to take an image in response to the acquisition of a photographing instruction; a light source driver configured to drive a light source connected to the light source driver to emit light according to a luminance parameter in the supplementary lighting instruction; an image processor configured to determine the photographing quality of the image; if the photographing quality of the image is greater than a preset value, recognize target information from the image; if the photographing quality is not greater than the preset value, redetermine the luminance parameter according to the image, send the photographing instruction to the photographing module, and send the supplementary lighting instruction including the luminance parameter to the light source driver.

Abstract: A method and device for synchronizing node data. The method comprises: determining a target block height according to a local log file used for synchronizing blockchain data of a blockchain system (201); sending a data synchronization request to a target node on the basis of the target block height (202); and in response to receiving update data sent by the target node, writing the update data into a local storage area (203). The method improves the synchronization efficiency of lagging nodes in the blockchain system, and saves network resources.

Abstract: A method and apparatus for executing a smart contract are provided. The method includes: in response to determining that a preset execution moment for executing a smart contract is reached, determining whether a transaction to be executed sent by another node in a blockchain system and used for executing the smart contract has been received; in response to determining that said transaction submitted by the another node has not been received, generating a transaction to be executed corresponding to the current node, and sending said generated transaction to the blockchain system; performing consensus with the another node on said transaction corresponding to the smart contract; and obtaining and executing the smart contract according to said transaction on which the consensus is performed.

Abstract: Provided is an image acquisition apparatus. The image acquisition apparatus includes: a moving member, a lifting member, and an image acquisition member. The moving member can move on a bearing surface; the lifting member is provided on the moving member; the image acquisition member is movably connected to the lifting member; the image acquisition member can move in a first direction parallel to the axis of the lifting member, and/or can move in a second direction vertical to the first direction.

Abstract: Disclosed are a method and a system for data uploading, which belongs to the technical field of blockchains-. The method comprises: receiving a block upload request sent by a slave server of a target node; determining whether block data corresponding to the block upload request has been uploaded to a block data storage system; if the block data corresponding to the block upload request is not uploaded to the block data storage system, acquiring the block data if the block data corresponding to the block upload request is not uploaded to the block data storage system, and uploading the block data to a storage space of the block data storage system; and sending an uploading success instruction to the slave server if the uploading is successful, so as to instruct the slave server to delete the block data stored on a light-weight peer in the target node.

Abstract: Provided are a blockchain data processing method and apparatus, a device, and a readable storage medium. By storing a data type information table in a relational database in advance, the data type information table is used for storing storage information of all the data types, and the storage information includes a table corresponding to the data type, a mapping relationship between the service field of the Value of the data type and a table field in the corresponding table, and a data format of the Value of the data type. A data type of the Value is determined when the Key-Value data needs to be stored; and a target table corresponding to the data type of the Value is determined and the Key-Value data is written into the target table according to the data type information table.

Abstract: Provided are a detection device and a control device of a lifting platform thereof, wherein the control device is used for controlling the lifting platform of the detection device, wherein the control device comprises a first distance measuring sensor arranged on the top of the detection device; a first processor connected with the first distance measuring sensor and used for obtaining a first distance measurement instruction and controlling the first distance measuring sensor to measure a first distance between the top of the detection device and an obstacle directly above the detection device according to the first distance measurement instruction; the first processor is further used for obtaining the first distance sent by the first distance measuring sensor, generating an elevation instruction according to the first distance, and controlling a lifting motor of the detection device to drive the lifting platform to rise to the target position.

Abstract: Disclosed are a method and an apparatus for path optimization, a robot and a storage medium. The method includes: acquiring an initial path of a robot, and iteratively optimizing the initial path until a preset iteration termination condition is met to obtain obstacle avoidance path of the robot: acquiring an iteration path corresponding to a current iteration process, determining a smoothness cost and a smoothness optimal gradient; determining a robot's footprint contour corresponding to the iteration path point, and searching for a first nearest obstacle distance; determining an obstacle cost corresponding to the iteration path and an obstacle optimal gradient corresponding to the iteration path point based on the first nearest obstacle distance; adjusting the iteration path point to acquire an iteration path corresponding to a next iteration process; inputting the smoothness cost and the obstacle cost to a preset objective function.

Abstract: Disclosed are a method and an apparatus for data acquisition, a device and a storage medium. The method includes: acquiring a data calling request sent by a first terminal; performing identity authentication to the data calling user corresponding to the first terminal according to the data calling request; assigning a second decentralized identity to the data calling user when the data calling user is authenticated legal; querying a data authorization certificate of the data authorization user by using the first decentralized identity according to the second decentralized identity; sending a data authorization request to a second terminal corresponding to the data authorization user according to the data authorization certificate; encrypting the request result corresponding to the data calling request after confirming that the data authorization user confirms the authorization, and sending the encrypted request result to the first terminal.

Abstract: Disclosed are a method, an apparatus for managing a peripheral device for an electronic device, an electronic device and a computer-readable medium. The electronic device includes a device management module and a routing module, the device management module includes a plurality of device node services for a plurality of peripheral devices. The method includes: receiving, by the routing module, first data from any one of the plurality of device node services, determining a first peripheral device for the first data of the peripheral device, and sending, by the routing module, the first data to the first peripheral device. Additionally, second data is received by the routing module from any one of the peripheral devices, a first device node service for the second data of the plurality of device node services is determined, and the second data is sent by the routing module to the first device node service.

Abstract: Disclosed are a method, an apparatus and a system for multi-device cooperation and medium. The method for multi-device cooperation is applied to any one of requesting devices, the method including: broadcasting a cooperation request; determining other requesting devices responding to the cooperation request and regarding the other requesting devices responding to the cooperation request as cooperative devices; and establishing a near field wireless communication connection with the cooperative device, and performing data interaction with the cooperative device based on the near field wireless communication.

Abstract: Disclosed are a path planning method and a device, a robot and a storage medium. The method includes: grading a traversable region between a starting point and an end point in a grid map, and determining cost values corresponding to regions of each level; traversing the traversable region from the starting point based on the cost values of the regions of each level, and determining a plurality of target nodes conforming to a minimum value of a preset function; and determining a target path of a robot based on the plurality of target nodes.