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Function Signature

storeEncryptedBackupByWallet(params: {
  accountAddress: string;
  externalServerKeyShares: any[];
  password: string;
}): Promise<string[]>

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Description

Stores encrypted backup for a wallet using external server key shares. This function creates encrypted backups that can be used for wallet recovery.

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Parameters

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Required Parameters

  • accountAddress (string) - The wallet address to store backup for (must include 0x prefix)
  • externalServerKeyShares (any[]) - Array of external server key shares
  • password (string) - Password for encrypting the backup

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Returns

  • Promise<string[]> - Array of backup IDs

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Example

import { authenticatedEvmClient } from './client';

const evmClient = await authenticatedEvmClient();

const backupIds = await evmClient.storeEncryptedBackupByWallet({
  accountAddress: '0xYourWalletAddress',
  externalServerKeyShares: [
    {
      chainName: 'base-sepolia',
      keyShare: '0x1234567890',
    },
  ],
  password: 'your-backup-password',
});

console.log('Backup IDs:', backupIds);

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Key Share Format

interface KeyShare {
  chainName: string;
  keyShare: string;
}

const externalServerKeyShares: KeyShare[] = [
  {
    chainName: 'base-sepolia', // or your specific chain
    keyShare: '0x1234567890', // the actual key share
  },
];

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Error Handling

try {
  const backupIds = await evmClient.storeEncryptedBackupByWallet({
    accountAddress: '0xYourWalletAddress',
    externalServerKeyShares,
    password: 'your-backup-password',
  });
  console.log('Encrypted backup stored successfully');
} catch (error) {
  console.error('Failed to store encrypted backup:', error);
}