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Function Signature

exportExternalServerKeyShares(params: {
  accountAddress: string;
  walletMetadata: WalletMetadata;
  password?: string;
}): Promise<ServerKeyShare[]>

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Description

Exports external server key shares for a wallet. Verifies the password first, then recovers and returns the plaintext shares.

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Parameters

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Required Parameters

  • accountAddress (string) - The wallet address (must include 0x prefix). Must match walletMetadata.accountAddress.
  • walletMetadata (WalletMetadata) - The cached metadata for this wallet

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Optional Parameters

  • password (string) - Wallet password (required if the wallet is password-encrypted)

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Returns

  • Promise<ServerKeyShare[]> - Array of exported external server key shares

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Example

import { authenticatedEvmClient } from './client';

const evmClient = await authenticatedEvmClient();
const walletMetadata = JSON.parse(await redis.get(`wallet:${accountAddress}`));

const exportedShares = await evmClient.exportExternalServerKeyShares({
  accountAddress,
  walletMetadata,
  password: 'user-password',
});

console.log('Exported shares count:', exportedShares.length);

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Error Handling

try {
  const exportedShares = await evmClient.exportExternalServerKeyShares({
    accountAddress: '0xYourWalletAddress',
    password: 'your-wallet-password',
  });
  console.log('External server key shares exported successfully');
} catch (error) {
  console.error('Failed to export external server key shares:', error);
}