CN116452207A - Cross-link combined payment method based on relay link - Google Patents
Cross-link combined payment method based on relay link Download PDFInfo
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- CN116452207A CN116452207A CN202310424570.2A CN202310424570A CN116452207A CN 116452207 A CN116452207 A CN 116452207A CN 202310424570 A CN202310424570 A CN 202310424570A CN 116452207 A CN116452207 A CN 116452207A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/02—Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
- G06Q30/0207—Discounts or incentives, e.g. coupons or rebates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0609—Buyer or seller confidence or verification
Abstract
The invention discloses a cross-chain combined payment method based on a relay chain, wherein in the method, transaction parties and an intermediate party/a contractor conduct transaction based on the relay chain, and a verification committee verifies the transaction. The verification committee is randomly selected based on a verification committee election process and consists of verifiers meeting a reputation value threshold, and the verification committee joins the transaction and verifies the transaction; the intermediate party/contractor accumulates the credit value by participating in the transaction, the verifier accumulates the credit value by participating in the verification transaction, and the intermediate party/contractor and the verifier credit value are managed based on the credit intelligent contract. The safe cross-chain combined payment method based on any relay chain provided by the invention enhances the flow of different blockchain assets and improves the interoperability and expandability of blockchains.
Description
Technical Field
The invention relates to the field of digital currency asset transaction, in particular to a cross-chain combined payment method based on a relay chain.
Background
With the continuous development and innovation of blockchain technology, blockchain networks with different application scenarios and design requirements have been widely adopted. However, due to the mutual independence between the different blockchains, the value of the blockchains tends to be isolated, creating an "islanding" effect. In order to realize business collaboration and value circulation among different block chains and improve interoperability and expandability, a cross-chain technology becomes an important solution. Currently, the main mechanisms of the cross-chain technology include a notary mechanism, a side chain/relay, hash locking, distributed private key control and the like. The notary mechanism has simple technical structure and good compatibility, but has the security problem caused by centralization. The side chain/relay technology has good expansibility and safety, is suitable for a wide range of scenes, but has higher implementation complexity and low transaction efficiency. The hash locking technology has the advantages that transaction participants do not need to trust each other, the security is high, but only the exchange of the cross-chain asset can be realized, and the transfer of the cross-chain asset cannot be realized. The distributed private key control technology has high security, but has limited application scenes.
Disclosure of Invention
Aiming at the defects of the prior art, the safe cross-chain combined payment method based on any relay chain provided by the invention enhances the flow of different blockchain assets and improves the interoperability and expandability of blockchains.
In order to achieve the above purpose, the invention provides a cross-link combined payment method based on a relay link; the method comprises the following steps:
(1) The payer, the payee and the intermediate party/contractor conduct transaction based on a transaction intelligent contract, and a verification committee verifies a transaction result;
(2) The authentication committee election process is used for selecting an authenticator for authenticating the transaction result;
(3) The intermediary/contractor accumulates reputation values by participating in the transaction, the verifier accumulates his reputation value by participating in a verification transaction.
Specifically, the step (1) includes the following sub-steps:
(1.1) the payer, the payee issuing a transaction tx, the conditions of which comprise the asset types of the payer and the payee, the account addresses of the payer and the payee, the transaction amount and the transaction exchange rate;
(1.2) the intermediary/contractor A1, A2, A3 … supporting the type of asset required by the payer, and the intermediary/contractor B1, B2, B3 … supporting the type of asset required by the payee pay deposit for the specified time to join the transaction tx according to the autonomous selection rule based on the transaction information, and the type of asset supported by itself;
(1.3) the intermediaries/contractors A1, A2, A3, … respectively establish transactions with payers on blockchains corresponding asset types and complete the transactions within a specified time;
(1.4) selecting the transaction tx of the authentication committee joining step (1.1) through an authentication committee election process, and the authentication committee authenticates the transaction result of step (1.3) and votes for the completion of the transaction result in the transaction contract.
(1.5) the transaction intelligence contract completing the disposition of the intermediary/contractors A1, A2, A3 … and validation committee deposit according to the voting results in step (1.4) and informing the intermediary/contractors B1, B2, B3 … and payee B transaction messages;
(1.6) the transaction intelligence contract invoking reputation intelligence contract to update intermediate/contractor, validation committee reputation value;
(1.7) the intermediaries/contractors B1, B2, B3, … respectively establish transactions with the payee on the blockchain of the corresponding asset class and complete the transactions within a specified time;
(1.8) selecting a validation committee to be added into the transaction tx in the step (1.1) through a validation committee election process, and validating the transaction result in the step (1.7) by the validation committee and voting on the completion condition of the transaction result in a transaction contract;
(1.9) the transaction intelligence contract completing the disposition of the intermediate party/contractor B1, B2, B3 … and validation committee deposit according to the voting results of step (1.8) above;
(1.10) the transaction intelligence contract invokes the reputation intelligence contract to update the intermediate/contractor, validation committee reputation value.
Specifically, the step (1.5) specifically includes the following sub-steps:
(1.5.1) the voting result is based on the validation committee's vote class number, the vote class with the result number being considered as the honest validator, the vote class without the voting or the vote class with the result number being considered as the bad validator within the prescribed time; the intelligent transaction closing date halves deposit of the wrought verifier to other honest verification committees, and the honest verifier can additionally obtain successful transaction rewards based on the halving rule so as to encourage more honest verifiers to participate in transaction verification;
(1.5.2) if the payer does not complete the transactions with the intermediary/contractor A1, A2, A3 … on the other blockchain, ending the transaction, returning the intermediary/contractor A1, A2, A3 … deposit;
(1.5.3) if the transaction portions of the payer and the intermediary/contractors A1, A2, A3 … on the other blockchains are completed or all are completed, the transaction smart contract deducts the deposit of the successful portion of the intermediary/contractor, returns the deposit of the failed portion of the intermediary/contractor;
(1.5.3) the transaction intelligence contract transfers the total deposit deducted in the above step 1.5.3 to the intermediary/contractors B1, B2, B3 … in proportion to the transaction tx and informs the intermediary/contractors B1, B2, B3 … and the payee of the transaction message.
Specifically, the step (1.9) specifically includes the following sub-steps:
(1.9.1) the voting result is based on the authentication committee's vote class being more numerous, the voting result being the majority of the class being considered as the honest verifier, the class not voting or the voting result being the minority of the class being determined as the bad verifier within a prescribed time. The intelligent transaction closing date halves deposit of the wrought verifier to other honest verification committees, and the honest verifier can additionally obtain successful transaction rewards based on the halving rule so as to encourage more honest verifiers to participate in transaction verification;
(1.9.2) if all transactions on other blockchains by the payee and the intermediary/contractors B1, B2, B3 … are completed, returning all intermediary/contractors B1, B2, B3 … deposits and ending the transaction;
(1.9.3) if the transaction portions of the payee and intermediary/contractors B1, B2, B3 … on the other blockchain are completed, returning the deposit of the successful portion intermediary/contractor, deducting the deposit of the failed portion intermediary/contractor, transferring to the account of the payee on this intermediary chain, and ending the transaction.
Specifically, the step (2) includes the following substeps:
(2.1) the verifier pays a certain deposit to become a candidate verifier;
(2.1) randomly selecting an initial validation committee and a set of alternate validators from the candidate validators that have paid the deposit using a verifiable random function VRF;
(2.2) for the verifier participating in the transaction verification, first checking whether the reputation value is greater than a threshold value, and if so, selecting a new verifier from the candidate verifiers.
Specifically, the step (3) includes the following sub-steps:
(3.1) if the transactions all fail, the reputation value of the intermediate/the contractor is unchanged;
(3.2) if the transaction part is successful or all successful, the reputation value of the intermediate party/contractor of the successful part is increased, and the reputation value of the intermediate party/contractor of the failed part is unchanged;
(3.3) the honest verifier reputation value is increased according to the preset rule, and the wrought verifier reputation value is deducted according to the preset rule.
The beneficial effects of the invention are as follows: the combined payment on any chain is realized without establishing a new relay chain, so that the flow of different blockchain assets is enhanced, and the interoperability and expandability of the blockchain are improved.
Drawings
FIG. 1 is a flow chart of a method of cross-link combined payment based on relay links;
FIG. 2 is a workflow diagram of a relay chain based cross-chain combined payment method transaction smart contracts.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention provides a cross-link combined payment method based on a relay link, which comprises the following steps:
the payer, the payee and the intermediate party/contractor conduct transaction based on a transaction intelligent contract, and a verification committee verifies a transaction result;
the authentication committee election process is used for selecting an authenticator for authenticating the transaction result;
the intermediate party/contractor accumulates the reputation value by participating in the transaction, and the verifier accumulates the reputation value by participating in the verification transaction;
further, the payer, payee and intermediary/contractor transact based on a transaction intelligence contract, the validation committee validating the transaction results comprising the sub-steps of:
(1.1) the payer and the payee issue a transaction tx comprising the asset types of the payer and the payee, account addresses of the payer and the payee, transaction amount, transaction exchange rate and other conditions;
(1.2) the intermediary/contractor A1, A2, A3 … supporting the type of asset required by the payer, and the intermediary/contractor B1, B2, B3 … supporting the type of asset required by the payee pay deposit for the specified time to join the transaction tx according to the autonomous selection rule based on the transaction information, and the type of asset supported by itself;
(1.3) the intermediaries/contractors A1, A2, A3, … respectively establish transactions with payers on blockchains corresponding asset types and complete the transactions within a specified time;
(1.4) selecting a validation committee from the validation committee election process, adding the validation committee into the transaction tx in the step (1.1), validating the result of the transaction completed in the step (1.3) by the validation committee, and voting on the completion condition of the transaction result in the transaction contract;
(1.5) the transaction intelligence contract completing the disposition of the intermediary/contractors A1, A2, A3 … and validation committee deposit according to the voting results in step (1.4) and informing the intermediary/contractors B1, B2, B3 … and payee of the transaction message;
further, the transaction intelligence contract completes the disposition of the intermediary/contractors A1, A2, A3 … and validation committee deposit according to the voting results of step (1.4) above and notifies the intermediary/contractors B1, B2, B3 … and payee of the transaction message, comprising:
(1.5.1) the voting result is determined by the validation committee based on more of the voting categories, the one with more votes being considered as honest validators, and the one with less votes not being voted for a predetermined period of time being considered as bad validators. The intelligent transaction closing date halves deposit of the wrought verifier to other honest verification committees, and the honest verifier can additionally obtain successful transaction rewards based on the halving rule so as to encourage more honest verifiers to participate in transaction verification;
(1.5.2) if the payer does not complete the transactions with the intermediary/contractor A1, A2, A3 … on the other blockchain, ending the transaction, returning the intermediary/contractor A1, A2, A3 … deposit;
(1.5.3) if the transaction portions of the payer and the intermediary/contractors A1, A2, A3 … on the other blockchains are completed or all are completed, the transaction smart contract deducts the deposit of the successful portion of the intermediary/contractor, returns the deposit of the failed portion of the intermediary/contractor;
(1.5.3) the transaction intelligence contract transfers the total deposit deducted in the above step (1.5.3) to the intermediary/contractors B1, B2, B3 … in proportion to the transaction tx and informs the intermediary/contractors B1, B2, B3 … and the payee of the transaction message.
(1.6) the transaction intelligence contract invoking reputation intelligence contract to update intermediate/contractor, validation committee reputation value;
(1.7) the intermediaries/contractors B1, B2, B3, … respectively establish transactions with the payee on the blockchain of the corresponding asset class and complete the transactions within a specified time;
(1.8) selecting a validation committee to be added into the transaction tx in the step (1.1) through a validation committee election process, and validating the transaction result in the step (1.7) by the validation committee and voting on the completion condition of the transaction result in a transaction contract;
(1.9) the transaction intelligence contract completing the disposition of the intermediate party/contractor B1, B2, B3 … and validation committee deposit according to the voting results of step (1.8) above;
further, the transaction intelligence contract completes the disposition of the intermediate party/contractor B1, B2, B3 … and validation committee deposit according to the voting results of step (1.8) above, including:
(1.9.1) the voting result is based on the authentication committee's vote class being more numerous, the voting result being the majority of the class being considered as the honest verifier, the class not voting or the voting result being the minority of the class being determined as the bad verifier within a prescribed time. The intelligent transaction closing date halves deposit of the wrought verifier to other honest verification committees, and the honest verifier can additionally obtain successful transaction rewards based on the halving rule so as to encourage more honest verifiers to participate in transaction verification;
(1.9.2) if all transactions on other blockchains by the payee and the intermediary/contractors B1, B2, B3 … are completed, returning all intermediary/contractors B1, B2, B3 … deposits and ending the transaction;
(1.9.3) if the transaction portions of the payee and intermediary/contractors B1, B2, B3 … on the other blockchain are completed, returning the deposit of the successful portion intermediary/contractor, deducting the deposit of the failed portion intermediary/contractor, transferring to the account of the payee on this intermediary chain, and ending the transaction.
(1.10) invoking the trade intelligent contract to update the intermediate/contractor and validation committee reputation value;
further, the validation committee election process for selecting a validator to validate a transaction outcome includes the sub-steps of:
(2.1) the verifier pays a certain deposit to become a candidate verifier;
(2.1) randomly selecting an initial validation committee and a set of alternate validators from the candidate validators that have paid the deposit using a verifiable random function VRF;
(2.2) for the verifier participating in the transaction verification, firstly checking whether the credit value is larger than a threshold value, and selecting a new verifier from candidate verifiers if the credit value is lower than the threshold value; the threshold value may be set to any value or any range;
further, the intermediary/underwriter accumulating reputation values by participating in a transaction, the verifier accumulating their reputation values by participating in a verification transaction comprising the sub-steps of:
(3.1) if the transactions all fail, the reputation value of the intermediate/the contractor is unchanged;
(3.2) if the transaction part is successful or all successful, the reputation value of the intermediate party/contractor of the successful part is increased, and the reputation value of the intermediate party/contractor of the failed part is unchanged;
(3.3) the honest verifier reputation value is increased according to the preset rule, and the wrought verifier reputation value is deducted according to the preset rule.
The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. The method for cross-link combined payment based on the relay link is characterized by comprising the following steps of:
(1) The payer, the payee and the intermediate party/contractor conduct transaction based on a transaction intelligent contract, and a verification committee verifies a transaction result;
(2) The authentication committee election process is used for selecting an authenticator for authenticating the transaction result;
(3) The intermediary/underwriter accumulates reputation values by participating in the transaction and the verifier accumulates reputation values by participating in the verification transaction.
2. The method of claim 1, wherein the step (1) comprises the following sub-steps:
(1.1) the payer, the payee issuing a transaction tx, the conditions of which comprise the asset types of the payer and the payee, the account addresses of the payer and the payee, the transaction amount and the transaction exchange rate;
(1.2) the intermediary/contractor A1, A2, A3 … supporting the type of asset required by the payer, and the intermediary/contractor B1, B2, B3 … supporting the type of asset required by the payee pay deposit for the specified time to join the transaction tx according to the autonomous selection rule based on the transaction information, and the type of asset supported by itself;
(1.3) the intermediaries/contractors A1, A2, A3, … respectively establish transactions with payers on blockchains corresponding asset types and complete the transactions within a specified time;
(1.4) selecting the transaction tx of the authentication committee joining step (1.1) through an authentication committee election process, and the authentication committee authenticates the transaction result of step (1.3) and votes for the completion of the transaction result in the transaction contract.
(1.5) the transaction intelligence contract completing the disposition of the intermediary/contractors A1, A2, A3 … and validation committee deposit according to the voting results in step (1.4) and informing the intermediary/contractors B1, B2, B3 … and payee B transaction messages;
(1.6) the transaction intelligence contract invoking reputation intelligence contract to update intermediate/contractor, validation committee reputation value;
(1.7) the intermediaries/contractors B1, B2, B3, … respectively establish transactions with the payee on the blockchain of the corresponding asset class and complete the transactions within a specified time;
(1.8) selecting a validation committee to be added into the transaction tx in the step (1.1) through a validation committee election process, and validating the transaction result in the step (1.7) by the validation committee and voting on the completion condition of the transaction result in a transaction contract;
(1.9) the transaction intelligence contract completing the disposition of the intermediate party/contractor B1, B2, B3 … and validation committee deposit according to the voting results of step (1.8) above;
(1.10) the transaction intelligence contract invokes the reputation intelligence contract to update the intermediate/contractor, validation committee reputation value.
3. The method for combined payment across links based on relay links according to claim 2, wherein said step (1.5) comprises the following sub-steps:
(1.5.1) the voting result is based on the validation committee's vote class number, the vote class with the result number being considered as the honest validator, the vote class without the voting or the vote class with the result number being considered as the bad validator within the prescribed time; the intelligent transaction closing date halves deposit of the wrought verifier to other honest verification committees, and the honest verifier can additionally obtain successful transaction rewards based on the halving rule so as to encourage more honest verifiers to participate in transaction verification;
(1.5.2) if the payer does not complete the transactions with the intermediary/contractor A1, A2, A3 … on the other blockchain, ending the transaction, returning the intermediary/contractor A1, A2, A3 … deposit;
(1.5.3) if the transaction portions of the payer and the intermediary/contractors A1, A2, A3 … on the other blockchains are completed or all are completed, the transaction smart contract deducts the deposit of the successful portion of the intermediary/contractor, returns the deposit of the failed portion of the intermediary/contractor;
(1.5.3) the transaction intelligence contract transfers the total deposit deducted in the above step 1.5.3 to the intermediary/contractors B1, B2, B3 … in proportion to the transaction tx and informs the intermediary/contractors B1, B2, B3 … and the payee of the transaction message.
4. The method for combined payment across links based on relay links according to claim 2, wherein said step (1.9) comprises the following sub-steps:
(1.9.1) the voting result is based on the authentication committee's vote class being more numerous, the voting result being the majority of the class being considered as the honest verifier, the class not voting or the voting result being the minority of the class being determined as the bad verifier within a prescribed time. The intelligent transaction closing date halves deposit of the wrought verifier to other honest verification committees, and the honest verifier can additionally obtain successful transaction rewards based on the halving rule so as to encourage more honest verifiers to participate in transaction verification;
(1.9.2) if all transactions on other blockchains by the payee and the intermediary/contractors B1, B2, B3 … are completed, returning all intermediary/contractors B1, B2, B3 … deposits and ending the transaction;
(1.9.3) if the transaction portions of the payee and intermediary/contractors B1, B2, B3 … on the other blockchain are completed, returning the deposit of the successful portion intermediary/contractor, deducting the deposit of the failed portion intermediary/contractor, transferring to the account of the payee on this intermediary chain, and ending the transaction.
5. The method of claim 1, wherein the step (2) comprises the substeps of:
(2.1) the verifier pays a certain deposit to become a candidate verifier;
(2.1) randomly selecting an initial validation committee and a set of alternate validators from the candidate validators that have paid the deposit using a verifiable random function VRF;
(2.2) for the verifier participating in the transaction verification, firstly checking whether the credit value is larger than a threshold value, and selecting a new verifier from candidate verifiers if the credit value is lower than the threshold value; the threshold value may be set to any value or any range.
6. The method for combined payment across links based on relay links according to claim 1, wherein the step (3) comprises the following sub-steps:
(3.1) if the transactions all fail, the reputation value of the intermediate/the contractor is unchanged;
(3.2) if the transaction part is successful or all successful, the reputation value of the intermediate party/contractor of the successful part is increased, and the reputation value of the intermediate party/contractor of the failed part is unchanged;
(3.3) the honest verifier reputation value is increased according to the preset rule, and the wrought verifier reputation value is deducted according to the preset rule.
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| CN202310424570.2A CN116452207A (en) | 2023-04-20 | 2023-04-20 | Cross-link combined payment method based on relay link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117354050A (en) * | 2023-12-04 | 2024-01-05 | 江西农业大学 | Knowledge graph-fused intelligent contract malicious node collusion behavior detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117354050A (en) * | 2023-12-04 | 2024-01-05 | 江西农业大学 | Knowledge graph-fused intelligent contract malicious node collusion behavior detection method |
| CN117354050B (en) * | 2023-12-04 | 2024-02-23 | 江西农业大学 | Knowledge graph-fused intelligent contract malicious node collusion behavior detection method |
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