Functions

The Amplify SDK provides helper functions that prepare transaction data for vault operations. All functions require SDK initialization before use.

Deposits

Unified deposit API with automatic permit/approval detection. Handles all deposit scenarios with a single entry point.

Prepare withdrawal transactions to redeem vault shares for underlying assets.

All transaction preparation functions use the *TxData suffix:

Function	Purpose
`prepareDepositAuthorization()`	Determine optimal authorization method
`prepareDeposit()`	Unified deposit preparation
`prepareDepositTxData()`	Low-level deposit transaction data
`prepareApproveDepositTokenTxData()`	ERC20 approval for deposits
`prepareDepositWithPermitTxData()`	Deposit with permit signature
`prepareWithdrawTxData()`	Withdrawal transaction data
`prepareApproveWithdrawTxData()`	ERC20 approval for withdrawals

Use the Unified Deposit API (prepareDepositAuthorization + prepareDeposit) for the best developer experience. It automatically:

See Deposits for complete documentation and examples.

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