摘要：【中文】本发明实施例涉及金融科技(Fintech)领域，公开了一种基于区块链系统的数据处理方法及装置，远端服务器获取各共识节点对各自存储的待备份区块的切片结果，并根据各共识节点对待备份区块的切片结果对待备份区块进行备份，每个共识节点对待备份区块的切片结果包括多个切片的校验值和多个切片在数据文件中的位置。本发明实施例中，各个共识节点与远端服务器通过传输待备份区块的切片结果实现对待备份区块的备份，而每个共识节点对待备份区块的切片结果包括切片的校验值和切片在数据文件中的位置，因此待备份区块的切片结果相对于待备份区块的全量数据来说数据量较小，从而该种方式可以有效降低网络通信的开销，提高区块备份的效率。 【EN】The embodiment of the invention relates to the field of financial technology (Fintech), and discloses a data processing method and device based on a block chain system. In the embodiment of the invention, the common identification nodes and the remote server realize the backup of the block to be backed up by transmitting the slicing result of the block to be backed up, and the slicing result of each common identification node comprises the check value of the slice and the position of the slice in the data file, so that the data volume of the slicing result of the block to be backed up is smaller than the full data volume of the block to be backed up, thereby effectively reducing the network communication overhead and improving the block backup efficiency.

摘要：【中文】本发明实施例涉及金融科技(Finetch)技术领域，公开了一种基于区块链系统的数据处理方法及装置，接收获取第一智能合约的合约数据的查询请求后，根据智能合约与数据文件的对应关系，确定第一智能合约对应的数据文件，并使用第一合约和第二合约从第一智能合约对应的数据文件中获取查询请求对应的数据。本发明实施例中，第一合约用于创建和打开区块链系统中的数据文件，第二合约用于对第一合约打开的数据文件进行操作，通过使用第一合约和第二合约从智能合约对应的数据文件中获取智能合约的合约数据，可以无需使用智能合约的合约地址创建智能合约的合约对象，该种方式操作简单，便于实现，且可以提高数据处理的效率。 【EN】The embodiment of the invention relates to the technical field of financial technology (Finech), and discloses a data processing method and device based on a block chain system. In the embodiment of the invention, the first contract is used for creating and opening the data file in the block chain system, the second contract is used for operating the data file opened by the first contract, the contract data of the intelligent contract is obtained from the data file corresponding to the intelligent contract by using the first contract and the second contract, and the contract object of the intelligent contract can be created without using the contract address of the intelligent contract.

摘要：【中文】本发明涉及金融科技(Fintech)领域，也适用于区块链(BlockChain)领域，并公开了一种跨链交易签名方法及装置，其中，方法包括：第一跨链组件将上链请求发送至第二跨链组件，第二跨链组件根据上链请求和区块链的状态信息生成待签名交易，并将待签名交易和区块链的签名算法发送至第一跨链组件，第一跨链组件根据签名算法，使用用户私钥对待签名交易进行签名，将生成的已签名交易发送至第二跨链组件，第二跨链组件将已签名交易发送至区块链中。该技术方案用以解决现有技术中客户端的复杂度较高的问题。 【EN】The invention relates to the field of financial technology (Fintech), is also suitable for the field of blockchains (Blockchain), and discloses a cross-chain transaction signature method and a device, wherein the method comprises the following steps: the first cross-chain component sends the uplink request to the second cross-chain component, the second cross-chain component generates a transaction to be signed according to the uplink request and the state information of the block chain, and sends the transaction to be signed and the signature algorithm of the block chain to the first cross-chain component, the first cross-chain component signs the transaction to be signed by using a user private key according to the signature algorithm, sends the generated signed transaction to the second cross-chain component, and the second cross-chain component sends the signed transaction to the block chain. The technical scheme is used for solving the problem that the complexity of the client is high in the prior art.

摘要：【中文】本发明涉及金融科技(Fintech)领域，并公开了一种区块链交易记录的处理方法及装置，其中，方法包括：获取待执行交易；待执行交易用于变更第一账户的第一属性的属性值；确定执行待执行交易之后的第一属性的第一属性值；将第一属性值和当前块高更新至状态表中；其中，状态表中记录有多个账户的状态数据，账户的状态数据是账户的多个属性中各属性的最新属性值和最新属性值对应的块高。该技术方案用以查询账户的每个属性的属性值最新一次发生变化时所在的区块。 【EN】The invention relates to the field of financial technology (Fintech) and discloses a processing method and a device for a block chain transaction record, wherein the method comprises the following steps: acquiring a transaction to be executed; the transaction to be executed is used for changing the attribute value of the first attribute of the first account; determining a first attribute value of a first attribute after execution of a transaction to be executed; updating the first attribute value and the current block into a state table; the status table records status data of a plurality of accounts, and the status data of the accounts are the latest attribute value of each attribute in a plurality of attributes of the accounts and the block height corresponding to the latest attribute value. The technical scheme is used for inquiring the block where the attribute value of each attribute of the account changes last time.

摘要：【中文】本发明实施例公开了一种基于区块链网络的任务处理方法及装置，任务发布节点根据待处理的定时任务和定时任务的触发条件，生成定时任务的任务处理请求，并将定时任务的任务处理请求发送给任务发布节点连接的区块链节点，区块链节点调用封装的各个任务执行节点在满足定时任务的触发条件时执行定时任务，并通过与区块链网络中的其它区块链节点的共识得到定时任务的执行结果。本发明实施例中，定时任务的发布和执行过程在独立于区块链网络的外部节点上执行，从而处理定时任务不会影响到区块链节点的链内任务的执行，且，通过将定时任务与区块链节点的链内任务解耦，还能提高区块链节点的链内任务的执行效率。 【EN】The embodiment of the invention discloses a task processing method and a device based on a block chain network.A task issuing node generates a task processing request of a timing task according to the timing task to be processed and a trigger condition of the timing task, sends the task processing request of the timing task to a block chain node connected with the task issuing node, calls each task execution node packaged by a block chain node to execute the timing task when the trigger condition of the timing task is met, and obtains an execution result of the timing task through common identification with other block chain nodes in the block chain network. In the embodiment of the invention, the issuing and executing process of the timing task is executed on the external node independent of the block chain network, so that the execution of the intra-chain task of the block chain node is not influenced by the processing of the timing task, and the execution efficiency of the intra-chain task of the block chain node can be improved by decoupling the timing task and the intra-chain task of the block chain node.

摘要：【中文】本发明涉及金融科技(Fintech)领域，并公开了一种区块链凭证撤销、验证方法、签发节点、验证节点，其中，区块链凭证撤销方法包括：签发节点根据待撤销的第一凭证的标识确定第一凭证的标识在MPT中对应的第一分支路径；签发节点在MPT中新建第一分支路径的第一叶子节点，并将第一凭证的撤销信息存储至第一叶子节点中；其中，MPT用于验证节点在确定待验证凭证的标识对应的分支路径在MPT中之后，确定待验证凭证被撤销。该方式用以在验证节点验证凭证是否被撤销时，提升验证节点的验证效率，以及减少验证节点的计算量。 【EN】The invention relates to the field of financial technology (Fintech) and discloses a block chain certificate revocation and verification method, an issuing node and a verification node, wherein the block chain certificate revocation method comprises the following steps: the issuing node determines a first branch path corresponding to the identifier of the first certificate in the MPT according to the identifier of the first certificate to be revoked; the issuing node creates a first leaf node of the first branch path in the MPT and stores revocation information of the first certificate into the first leaf node; the MPT is used for the verification node to determine that the certificate to be verified is revoked after determining that the branch path corresponding to the identifier of the certificate to be verified is in the MPT. The method is used for improving the verification efficiency of the verification node and reducing the calculation amount of the verification node when the verification node verifies whether the certificate is revoked.

摘要：【中文】本发明涉及金融科技(Fintech)领域，并公开了区块链领域的一种跨链交易的方法及装置，适用于不同群组的交易账户之间的跨链交易，每个群组中部署有与群组对应的HTLC；方法包括：第一群组接收第一客户端发送的第一资产的取回交易；第一资产的取回交易中包括第一签名、第二签名及第一交易合同的信息；第一群组在验证第一签名对应的第一账户、第二签名对应的第二账户与第一交易合同中的第三账户和第四账户一致后，从第一HTLC中释放第一资产。该技术方案用以解决现有技术中交易方一旦将资产锁入自己群组的HTLC中，只能在HTLC锁定时长之后，才能重新取回资产的问题，从而提升跨链交易的效率。 【EN】The invention relates to the field of financial technology (Fintech), and discloses a method and a device for cross-chain transaction in the field of block chains, which are suitable for cross-chain transaction among transaction accounts of different groups, wherein each group is provided with an HTLC corresponding to the group; the method comprises the following steps: the first group receives a retrieval transaction of a first asset sent by a first client; the retrieval transaction of the first asset comprises information of a first signature, a second signature and a first transaction contract; the first group releases the first asset from the first HTLC upon verifying that the first account corresponding to the first signature, the second account corresponding to the second signature, and the third and fourth accounts in the first transaction contract are consistent. The technical scheme is used for solving the problem that in the prior art, once a trading party locks the assets into the HTLC of the trading party in the group, the assets can be retrieved again only after the HTLC is locked for a long time, so that the efficiency of cross-chain trading is improved.

摘要：【中文】本发明实施例公开了一种基于跨链网络的资源处理方法及装置，代理节点接收用户端发送的资源调用请求后，根据跨链资源的标识与区块链网络的对应关系，确定所述待调用资源的标识对应的区块链网络，并从所述待调用资源对应的区块链网络中调用所述待调用资源，得到调用结果。本发明实施例中，通过设置代理节点管理跨链网络中的跨链资源，使得用户端通过直接向代理节点发送资源调用请求即可完成对跨链网络中的跨链资源的调用，且该种方式能够采用相同的调用方式来调用不同区块链网络的不同资源，而不需要再对各个区块链网络进行一一适配，从而灵活性更好，用户的体验更高。 【EN】The embodiment of the invention discloses a resource processing method and device based on a cross-chain network. In the embodiment of the invention, the proxy node is arranged to manage the cross-chain resources in the cross-chain network, so that the client can call the cross-chain resources in the cross-chain network by directly sending the resource calling request to the proxy node, and the method can call different resources of different block chain networks by adopting the same calling mode without one-to-one adaptation of each block chain network, thereby having better flexibility and higher user experience.

摘要：【中文】本发明涉及金融科技(Fintech)领域，并公开了一种区块同步的方法及装置，其中，方法包括：第一节点将第一区块提交后，将第一区块的块高发送至第二节点；第二节点是第一节点根据区块链网络的关系树确定的子节点；关系树用于指示区块链网络中相邻节点之间区块同步的父子关系，父节点将区块同步至子节点；第二节点若确定第一区块的块高高于第二节点的最高区块的块高，则生成并发送第一同步请求，第一节点在接收到第一同步请求之后，将第一同步请求中块高对应的区块发送至第二节点。该技术方案用以解决共识节点的实际出带宽不能满足同时向多个观察节点发送区块的需求，以及区块链网络扩展受限的问题。 【EN】The invention relates to the field of financial technology (Fintech) and discloses a method and a device for synchronizing blocks, wherein the method comprises the following steps: after submitting the first block, the first node sends the block height of the first block to the second node; the second node is a child node determined by the first node according to the relation tree of the block chain network; the relationship tree is used for indicating the parent-child relationship of block synchronization between adjacent nodes in the block chain network, and the parent node synchronizes the blocks to the child nodes; and if the second node determines that the block height of the first block is higher than that of the highest block of the second node, generating and sending a first synchronization request, and after receiving the first synchronization request, the first node sends a block corresponding to the block height in the first synchronization request to the second node. The technical scheme is used for solving the problems that the actual output bandwidth of the consensus node cannot meet the requirement of sending the blocks to a plurality of observation nodes at the same time, and the expansion of the block chain network is limited.

摘要：【中文】本发明公开了党参低聚糖在制备用于预防或治疗缺氧导致的胃肠道损伤药物中的应用，缺氧为高原缺氧和/或组织缺血性缺氧；并提供了其中党参低聚糖的制备方法。本发明的有益效果为：本发明提供的党参低聚糖在制备用于预防或治疗缺氧导致的胃肠道损伤药物中的应用，其制备得到的药物，具有很好的效果，其药物本身安全有效，没有毒副作用；经实验验证可知，含有党参低聚糖的药物可以改善大鼠高海拔缺氧导致的脾脏萎缩和肺肿大，增强其抗氧化水平，改善炎症，缓解肠粘膜损伤，降低EPO表达，并且蛋白表达检测进一步说明党参低聚糖可以降低高海拔缺氧大鼠十二指肠中HIF‑1α的表达。 【EN】The invention discloses application of codonopsis pilosula oligosaccharide in preparation of a medicine for preventing or treating gastrointestinal tract injury caused by hypoxia, wherein the hypoxia is high altitude hypoxia and/or tissue ischemic hypoxia, and provides a preparation method of the codonopsis pilosula oligosaccharide.