Data processing method based on blockchain network and related product

A data processing method based on a blockchain network, the blockchain network comprising a witness network and a consensus network, the witness network being formed by multiple service nodes, the consensus network being formed by multiple consensus nodes, and the witness network and the consensus network establishing a communication connection, the method comprising:

• transmitting a block synchronization request to the consensus node in the consensus network, the block synchronization request carrying a synchronization block height and a node identifier of the target service node, the synchronization block height being a block height of a target block that needs to be synchronized, and the target block being a block on a blockchain maintained by the consensus node in the consensus network, and the block synchronization request requesting the consensus node to return related data of the target block;
• receiving the related data of the target block returned by the consensus node, the related data comprising a block header of the target block, transaction data that is comprised in the target block accessible by the target service node, and a matching check block that is of K check blocks corresponding to the target block and that matches the node identifier, K being a positive integer greater than 1;
• and
• storing the related data of the target block, the stored matching check block being used by the consensus node in the consensus network to recover the target block,
• wherein the K check blocks corresponding to the target block are obtained by:
• serializing a first block and splitting a serialization result to obtain N data blocks, wherein the first block is a block on the blockchain;
• and N is a positive integer greater than 1;
• forming the N data blocks obtained through splitting into an N*1 data block matrix;
• and
• encoding the data block matrix by using a coding matrix to obtain a coding result, wherein the coding result comprises the K check blocks and the N data blocks obtained through splitting;
• wherein at least a part of the K check blocks in the consensus node is stored in the consensus network.

A computer device, comprising:

• a processor and a memory coupled to the processor, the memory storing executable program code, the processor being configured to call the executable program code to implement:
• when determining that a target block needs to be recovered based on a check block of the target block, obtaining the check block of the target block from a service node in a witness network, wherein a blockchain network comprises a witness network and the consensus network, the witness network is formed by multiple service nodes, the consensus network is formed by multiple consensus nodes, and a communication connection is established between the witness network and the consensus network;
• determining a data recovery reference matrix based on a coding matrix and the check block of the target block;
• and
• recovering the target block based on the data recovery reference matrix and the check block of the target block, wherein:
• the target block being a block on a blockchain maintained by the consensus node in the consensus network;
• the check block of the target block stored by the service node being obtained by the service node when synchronizing related block data of the target block from the consensus node in the consensus network;
• the check block of the target block being obtained by the consensus node in the consensus network by encoding the target block using the coding matrix;
• and the check block of the target block being configured for recovering the target block,
• wherein a check block in the consensus node is obtained by:
• serializing a first block and splitting a serialization result to obtain N data blocks, wherein the first block is a block on the blockchain;
• and N is a positive integer greater than 1;
• forming the N data blocks obtained through splitting into an N*1 data block matrix;
• encoding the data block matrix by using the coding matrix to obtain a coding result, wherein the coding result comprises the K check blocks and the N data blocks obtained through splitting, and K is a positive integer greater than 1;
• and
• storing at least a part of the K check blocks in the consensus node in the consensus network.

A non-transitory computer readable storage medium, storing executable program codes, the executable program codes, when executed by one or more processors, causing the one or more processors to implement:

• when determining that a target block needs to be recovered based on a check block of the target block, obtaining the check block of the target block from a service node in a witness network, wherein a blockchain network comprises a witness network and the consensus network, the witness network is formed by multiple service nodes, the consensus network is formed by multiple consensus nodes, and a communication connection is established between the witness network and the consensus network;
• determining a data recovery reference matrix based on a coding matrix and the check block of the target block;
• and
• recovering the target block based on the data recovery reference matrix and the check block of the target block, wherein:
• the target block being a block on a blockchain maintained by the consensus node in the consensus network;
• the check block of the target block stored by the service node being obtained by the service node when synchronizing related block data of the target block from the consensus node in the consensus network;
• the check block of the target block being obtained by the consensus node in the consensus network by encoding the target block using the coding matrix;
• and the check block of the target block being configured for recovering the target block,
• wherein a check block in the consensus node is obtained by:
• serializing a first block and splitting a serialization result to obtain N data blocks, wherein the first block is a block on the blockchain;
• and N is a positive integer greater than 1;
• forming the N data blocks obtained through splitting into an N*1 data block matrix;
• encoding the data block matrix by using the coding matrix to obtain a coding result, wherein the coding result comprises the K check blocks and the N data blocks obtained through splitting, and K is a positive integer greater than 1;
• and
• storing at least a part of the K check blocks in the consensus node in the consensus network.

A non-transitory computer readable storage medium, storing executable program codes, the executable program codes, when executed by one or more processors, causing the one or more processors to implement:

• transmitting a block synchronization request to a consensus node in a consensus network, the block synchronization request carrying a synchronization block height and a node identifier of the target service node, the synchronization block height being a block height of a target block that needs to be synchronized, and the target block being a block on a blockchain maintained by the consensus node in the consensus network, and the block synchronization request requesting the consensus node to return related data of the target block, wherein a blockchain network comprises a witness network and the consensus network, the witness network is formed by multiple service nodes, the consensus network is formed by multiple consensus nodes, and a communication connection is established between the witness network and the consensus network;
• receiving the related data of the target block returned by the consensus node, the related data comprising a block header of the target block, transaction data that is comprised in the target block accessible by the target service node, and a matching check block that is of K check blocks corresponding to the target block and that matches the node identifier, K being a positive integer greater than 1;
• and
• storing the related data of the target block, the stored matching check block being used by the consensus node in the consensus network to recover the target block,
• wherein the K check blocks corresponding to the target block are obtained by:
• serializing a first block and splitting a serialization result to obtain N data blocks, wherein the first block is a block on the blockchain;
• and N is a positive integer greater than 1;
• forming the N data blocks obtained through splitting into an N*1 data block matrix;
• and
• encoding the data block matrix by using a coding matrix to obtain a coding result, wherein the coding result comprises the K check blocks and the N data blocks obtained through splitting;
• wherein at least a part of the K check blocks in the consensus node is stored in the consensus network.