The following readme describes all the functions and their parameters exposed by the reporterRegistry class of the K2 SDK. This sub-class of the SDK exposes all the functions from the reporter registry contract of the K2 Lending protocol.

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getk2LendingPool function

This function can be used to get the contract address of the K2 Lending pool.

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Using getk2LendingPool function

await sdk.reporterRegistry.getk2LendingPool();

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Return Parameter

Returns contract address.

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isReporterActive function

Check the contracts if the reporter is active.

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Input Parameters

reporter: ETH Address of the reporter

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Using isReporterActive function

await sdk.reporterRegistry.isReporterActive(reporter);

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Return Parameter

Boolean, true if active, false otherwise.

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isReporterRagequitted function

Check the contracts if the reporter has rage quitted or not.

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Input Parameters

reporter: ETH address of the reporter

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Using isReporterRagequitted function

await sdk.reporterRegistry.isReporterRagequitted(reporter);

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Return Parameter

Boolean, true if rage quitted, false otherwise.

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registerReporter function

Register a reporter to the reporter registry contract. The msg.sender will be registered as the reporter.

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Using registerReporter function

await sdk.reporterRegistry.registerReporter();

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Return Parameter

Transaction details if the transaction is successful.

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isReporterOperational function

Check if the reporter is operational and can perform reports. An operational reporter is the one that is active and hasn’t rage quitted.

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Input Parameters

reporter: ETH address of the reporter

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Using isReporterOperational function

await sdk.reporterRegistry.isReporterOperational(reporter);

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Return Parameter

Boolean, true if reporter is operational, false otherwise.

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batchSubmitReports function

Function to submit multiple verified reports in a single transaction.

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Input Parameters

reports: List of verified reports of the following structure: 
{
    slashType: SlashType;
    debtor: string;     // Borrower address
    amount: number;     // Amount being slashed
    identifier: number; // Unique ID to avoid double reporting
    block: number;      // Block number
    signature: string;  // Blind signature being reported
};
reportSignatures: List of signatures (designatedVerifierSignature obtained after verifying the reports) of the respective reports. Each signature follows the following structure: 
{
    v: number; // version
    r: string; // x coordinate of the curve
    s: string; // y coordinate of the curve
}

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Using batchSubmitReports function

await sdk.reporterRegistry.batchSubmitReports(reports, reportSignatures);

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Return Parameter

Transaction details if the transaction is successful.

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reportTypedHash function

Calculate typed hash of report struct.

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Input Parameters

report: verified report of the following structure: 
{
    slashType: SlashType;
    debtor: string;     // Borrower address
    amount: number;     // Amount being slashed
    identifier: number; // Unique ID to avoid double reporting
    block: number;      // Block number
    signature: string;  // Blind signature being reported
};

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Using reportTypedHash function

await sdk.reporterRegistry.reportTypedHash(report);

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Return Parameter

bytes32 hash string

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isValidReport function

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Input Parameters

report: Verified report obtained from the verifyLivenessReport function, of the following structure: 
{
    slashType: SlashType;
    debtor: string;     // Borrower address
    amount: number;     // Amount being slashed
    identifier: number; // Unique ID to avoid double reporting
    block: number;      // Block number
    signature: string;  // Blind signature being reported
};
reportSignature: Signature (designatedVerifierSignature obtained after verifying the reports) of the respective report. The signature follows the following structure: 
{
    v: number; // version
    r: string; // x coordinate of the curve
    s: string; // y coordinate of the curve
}

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Using isValidReport function

await sdk.reporterRegistry.isValidReport(report, reportSignature);

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Return Parameter

Returns true if valid, false otherwise.