Blockchain message processing method and apparatus, computer, and readable storage medium

1. A blockchain message processing method performed by a computer device acting as an oracle contract node, the method comprising:

acquiring service contract information, and adding the service contract information to an oracle contract, the service contract information comprising a contract identifier of a service smart contract and a service request event corresponding to the service smart contract, further including:

acquiring a block chaining message of a contract block, the block chaining message comprising the service smart contract;

acquiring the contract identifier of the service smart contract;

parsing the service smart contract, to obtain the service request event, the service request event being used for representing a requested data object after the service smart contract is triggered;

generating the service contract information according to the contract identifier and the service request event;

acquiring a target service type to which the service request event belongs, and acquiring a target service data set corresponding to the target service type from the oracle contract; and

adding the service contract information to the target service data set;

acquiring a target off-chain node, and transmitting the service contract information to the target off-chain node through the oracle contract, so that the target off-chain node acquires an event request result corresponding to the service request event; and

acquiring the event request result transmitted by the target off-chain node, and returning the event request result to the service smart contract corresponding to the contract identifier.

2. The method according to claim 1 , wherein the method further comprises:

generating a hash value of the service request event as a transaction hash; and

the generating the service contract information according to the contract identifier and the service request event comprises:

generating the service contract information according to the contract identifier, the transaction hash, and the service request event.

3. The method according to claim 2 , wherein the acquiring the event request result transmitted by the target off-chain node comprises:

receiving a service response message transmitted by the target off-chain node, the service response message comprising the event request result and the transaction hash; and

acquiring the event request result in the service response message; and

the returning the event request result to the service smart contract corresponding to the contract identifier comprises:

acquiring the transaction hash in the service response message;

determining the contract identifier corresponding to the event request result based on the transaction hash, there being an association relationship between the contract identifier and the transaction hash; and

returning the event request result to the service smart contract corresponding to the contract identifier.

4. The method according to claim 1 , wherein the oracle contract comprises a service mapping table, the service mapping table comprising a service type and a service data set corresponding to the service type;

the acquiring a target off-chain node, and transmitting the service contract information to the target off-chain node through the oracle contract comprises:

acquiring an off-chain node corresponding to the target service data set as the target off-chain node; and

transmitting the service contract information to the target off-chain node through the oracle contract.

5. The method according to claim 1 , wherein the acquiring a target off-chain node comprises:

acquiring off-chain nodes in an idle state as candidate off-chain nodes; and

acquiring network quality parameters of the candidate off-chain nodes, and determining a candidate off-chain node with the highest network quality parameter as the target off-chain node.

6. The method according to claim 1 , wherein the returning the event request result to the service smart contract corresponding to the contract identifier comprises:

acquiring a protocol data format corresponding to the service request event, and converting a data format of the event request result into the protocol data format, to obtain a conversion execution result; and

returning the conversion execution result to the service smart contract corresponding to the contract identifier.

7. A computer device acting as an oracle contract node, comprising a memory and one or more processors, the memory storing computer-readable instructions, the computer-readable instructions, when executed by the one or more processors, causing the computer device to implement a blockchain message processing method including:

acquiring service contract information, and adding the service contract information to an oracle contract, the service contract information comprising a contract identifier of a service smart contract and a service request event corresponding to the service smart contract, further including:

acquiring a block chaining message of a contract block, the block chaining message comprising the service smart contract;

acquiring the contract identifier of the service smart contract;

parsing the service smart contract, to obtain the service request event, the service request event being used for representing a requested data object after the service smart contract is triggered;

generating the service contract information according to the contract identifier and the service request event;

acquiring a target service type to which the service request event belongs, and acquiring a target service data set corresponding to the target service type from the oracle contract; and

adding the service contract information to the target service data set;

acquiring a target off-chain node, and transmitting the service contract information to the target off-chain node through the oracle contract, so that the target off-chain node acquires an event request result corresponding to the service request event; and

acquiring the event request result transmitted by the target off-chain node, and returning the event request result to the service smart contract corresponding to the contract identifier.

8. The computer device according to claim 7 , wherein the method further comprises:

generating a hash value of the service request event as a transaction hash; and

the generating the service contract information according to the contract identifier and the service request event comprises:

generating the service contract information according to the contract identifier, the transaction hash, and the service request event.

9. The computer device according to claim 8 , wherein the acquiring the event request result transmitted by the target off-chain node comprises:

receiving a service response message transmitted by the target off-chain node, the service response message comprising the event request result and the transaction hash; and

acquiring the event request result in the service response message; and

the returning the event request result to the service smart contract corresponding to the contract identifier comprises:

acquiring the transaction hash in the service response message;

determining the contract identifier corresponding to the event request result based on the transaction hash, there being an association relationship between the contract identifier and the transaction hash; and

returning the event request result to the service smart contract corresponding to the contract identifier.

10. The computer device according to claim 7 , wherein the oracle contract comprises a service mapping table, the service mapping table comprising a service type and a service data set corresponding to the service type;

the acquiring a target off-chain node, and transmitting the service contract information to the target off-chain node through the oracle contract comprises:

acquiring an off-chain node corresponding to the target service data set as the target off-chain node; and

transmitting the service contract information to the target off-chain node through the oracle contract.

11. The computer device according to claim 7 , wherein the acquiring a target off-chain node comprises:

acquiring off-chain nodes in an idle state as candidate off-chain nodes; and

acquiring network quality parameters of the candidate off-chain nodes, and determining a candidate off-chain node with the highest network quality parameter as the target off-chain node.

12. The computer device according to claim 7 , wherein the returning the event request result to the service smart contract corresponding to the contract identifier comprises:

acquiring a protocol data format corresponding to the service request event, and converting a data format of the event request result into the protocol data format, to obtain a conversion execution result; and

returning the conversion execution result to the service smart contract corresponding to the contract identifier.

13. One or more non-transitory computer-readable storage media storing computer-readable instructions, the computer-readable instructions, when executed by one or more processors of a computer device acting as an oracle contract node, causing the computer device to implement a blockchain message processing method including:

acquiring service contract information, and adding the service contract information to an oracle contract, the service contract information comprising a contract identifier of a service smart contract and a service request event corresponding to the service smart contract, further including:

acquiring a block chaining message of a contract block, the block chaining message comprising the service smart contract;

acquiring the contract identifier of the service smart contract;

parsing the service smart contract, to obtain the service request event, the service request event being used for representing a requested data object after the service smart contract is triggered;

generating the service contract information according to the contract identifier and the service request event;

acquiring a target service type to which the service request event belongs, and acquiring a target service data set corresponding to the target service type from the oracle contract; and

adding the service contract information to the target service data set;

acquiring a target off-chain node, and transmitting the service contract information to the target off-chain node through the oracle contract, so that the target off-chain node acquires an event request result corresponding to the service request event; and

acquiring the event request result transmitted by the target off-chain node, and returning the event request result to the service smart contract corresponding to the contract identifier.

14. The non-transitory computer-readable storage media according to claim 13 , wherein the method further comprises:

generating a hash value of the service request event as a transaction hash; and

the generating the service contract information according to the contract identifier and the service request event comprises:

generating the service contract information according to the contract identifier, the transaction hash, and the service request event.

15. The non-transitory computer-readable storage media according to claim 13 , wherein the oracle contract comprises a service mapping table, the service mapping table comprising a service type and a service data set corresponding to the service type;

the acquiring a target off-chain node, and transmitting the service contract information to the target off-chain node through the oracle contract comprises:

acquiring an off-chain node corresponding to the target service data set as the target off-chain node; and

transmitting the service contract information to the target off-chain node through the oracle contract.

16. The non-transitory computer-readable storage media according to claim 13 , wherein the acquiring a target off-chain node comprises:

acquiring off-chain nodes in an idle state as candidate off-chain nodes; and

acquiring network quality parameters of the candidate off-chain nodes, and determining a candidate off-chain node with the highest network quality parameter as the target off-chain node.

17. The non-transitory computer-readable storage media according to claim 13 , wherein the returning the event request result to the service smart contract corresponding to the contract identifier comprises:

acquiring a protocol data format corresponding to the service request event, and converting a data format of the event request result into the protocol data format, to obtain a conversion execution result; and

returning the conversion execution result to the service smart contract corresponding to the contract identifier.