encryptForNEARViewing()

SIP Protocol API Reference / encryptForNEARViewing

Function: encryptForNEARViewing()

encryptForNEARViewing(data, viewingKey): NEAREncryptedPayload

Defined in: @sip-protocol/sdk/dist/index-DXh2IGkz.d.ts:18794

Encrypt transaction data for viewing key holders

Uses XChaCha20-Poly1305 authenticated encryption with a random nonce. The encryption key is derived from the viewing private key using HKDF.

Parameters

data

NEARTransactionData

Transaction data to encrypt

viewingKey

NEARViewingKey

The viewing key for encryption

Returns

NEAREncryptedPayload

Encrypted payload with nonce and key hash

Example

const encrypted = encryptForNEARViewing({
  sender: 'alice.near',
  recipient: stealthAccountId,
  amount: '1000000000000000000000000', // 1 NEAR
  tokenContract: null, // native NEAR
  decimals: 24,
  timestamp: Date.now(),
}, viewingKey)

// Store encrypted.ciphertext on-chain or off-chain