createWrapperDepositInstruction

Builds a raw instruction that mints SY from base assets, deposits the SY into the selected tranche, and mints tranche LP shares.

Usage

import {
  TrancheSide,
  createWrapperDepositInstruction,
} from "@exponent-labs/exponent-sdk/client/tranching";

const ix = createWrapperDepositInstruction(
  {
    user: wallet.publicKey,
    market: marketAddress,
    returnModelStorage,
    addressLookupTable,
    syProgram,
    syMint,
    tokenSrc: userSyTokenAccount,
    tokenSyEscrow,
    tokenLpDst: userLpTokenAccount,
    mintLp: mintLpSenior,
    tokenProgram,
    eventAuthority,
    program: tranchingProgram,
  },
  {
    trancheSide: TrancheSide.Senior,
    amountBase: 1_000_000_000n, // raw base-token units
    minLpOut: 0n,               // raw Senior LP units
    mintSyAccountsUntil: 0,
  }
);

Accounts

Name	Type	Signer	Writable	Description
`user`	`PublicKey`	Yes	Yes	Depositor
`market`	`PublicKey`	No	Yes	Tranching market account
`returnModelStorage`	`PublicKey`	No	Yes	Return model storage account
`addressLookupTable`	`PublicKey`	No	No	Market address lookup table
`syProgram`	`PublicKey`	No	No	Linked SY program
`syMint`	`PublicKey`	No	Yes	SY mint
`tokenSrc`	`PublicKey`	No	Yes	User SY token account used by the wrapper
`tokenSyEscrow`	`PublicKey`	No	Yes	Market SY escrow
`tokenLpDst`	`PublicKey`	No	Yes	Destination LP token account
`mintLp`	`PublicKey`	No	Yes	Senior or Junior LP mint
`tokenProgram`	`PublicKey`	No	No	SPL Token program
`eventAuthority`	`PublicKey`	No	No	Event authority PDA
`program`	`PublicKey`	No	No	Exponent Tranching program

Args

Name	Type	Description
`trancheSide`	`TrancheSide`	`Senior` or `Junior`
`amountBase`	`u64`	Base asset amount to wrap into SY, in raw base-token units
`minLpOut`	`u64`	Minimum selected-tranche LP shares to mint, in raw LP units
`mintSyAccountsUntil`	`u8`	Number of remaining accounts used by the SY mint CPI segment

Remaining accounts

Append remaining accounts in this order:

SY mint CPI accounts, with length mintSyAccountsUntil
Tranching getSyState and depositSy CPI accounts

Use TranchingMarket.ixWrapperDeposit to build this ordering automatically.

Returns

TransactionInstruction - a transaction instruction ready to be added to a transaction.