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TRON API method that creates parameters for a shielded TRC20 contract transaction without requiring the authentication secret key (ask). This simplified version is used when the ask is not available or needed for the specific transaction type.
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This endpoint requires valid shielded addresses and cryptographic material. All parameters must be properly formatted: shielded addresses must be valid ztron1 addresses, the outgoing viewing key must be a valid 0x-prefixed hex string, and optional transparent addresses must be valid TRON addresses (starting with T). Invalid or placeholder values will result in parsing errors.

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Parameters

  • ovk — the outgoing viewing key for transaction monitoring (0x-prefixed hex string)
  • from_address — the sender’s shielded address (ztron1 format)
  • to_address — the recipient’s shielded address (ztron1 format)
  • amount — the amount to transfer (in sun, as string)
  • transparent_from_address — optional transparent sender address (T-address format)
  • transparent_to_address — optional transparent recipient address (T-address format)

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Response

  • receive_description — the receive description for the shielded transaction
  • spend_description — the spend description for the shielded transaction
  • binding_signature — the binding signature that ties the transaction together

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Use case

The wallet/createshieldedcontractparameterswithoutask method is used for:
  • Creating shielded transaction parameters without access to authentication secret keys
  • Generating transaction data for view-only or monitoring applications
  • Supporting simplified wallet implementations that don’t store sensitive key material
  • Enabling third-party services to prepare shielded transactions with limited key access