Instruction Builders

All functions are in lib/veil/instructions.ts and return a TransactionInstruction.

Core Lending


initializeIx(
  payer: PublicKey,
  authority: PublicKey,
  pool: PublicKey,
  tokenMint: PublicKey,
  vault: PublicKey,
  poolBump: number,
  authorityBump: number,
  vaultBump: number,
): TransactionInstruction
 
depositIx(
  user: PublicKey,
  userToken: PublicKey,
  vault: PublicKey,
  pool: PublicKey,
  userPosition: PublicKey,
  poolAuthority: PublicKey,
  amount: bigint,
  positionBump: number,
): TransactionInstruction
 
withdrawIx(
  user: PublicKey,
  userToken: PublicKey,
  vault: PublicKey,
  pool: PublicKey,
  userPosition: PublicKey,
  poolAuthority: PublicKey,
  shares: bigint,
): TransactionInstruction
 
borrowIx(
  user: PublicKey,
  userToken: PublicKey,
  vault: PublicKey,
  pool: PublicKey,
  userPosition: PublicKey,
  poolAuthority: PublicKey,
  amount: bigint,
): TransactionInstruction
 
repayIx(
  user: PublicKey,
  userToken: PublicKey,
  vault: PublicKey,
  pool: PublicKey,
  userPosition: PublicKey,
  amount: bigint,           // pass 2n**64n - 1n to repay all
): TransactionInstruction
 
liquidateIx(
  liquidator: PublicKey,
  liquidatorToken: PublicKey,
  borrowerToken: PublicKey,
  vault: PublicKey,
  pool: PublicKey,
  borrowerPosition: PublicKey,
  poolAuthority: PublicKey,
  protocolTreasury: PublicKey,
): TransactionInstruction

Flash Loans


flashBorrowIx(
  borrower: PublicKey,
  borrowerToken: PublicKey,
  vault: PublicKey,
  pool: PublicKey,
  poolAuthority: PublicKey,
  amount: bigint,
): TransactionInstruction
 
flashRepayIx(
  borrower: PublicKey,
  borrowerToken: PublicKey,
  vault: PublicKey,
  pool: PublicKey,
  amount: bigint,
): TransactionInstruction

Oracle & Admin


updateOraclePriceIx(
  pool: PublicKey,
  pythPriceFeed: PublicKey,
): TransactionInstruction
 
updatePoolIx(
  authority: PublicKey,
  pool: PublicKey,
  params: {
    baseRate: bigint,
    optimalUtilization: bigint,
    slope1: bigint,
    slope2: bigint,
    reserveFactor: bigint,
    ltv: bigint,
    liquidationThreshold: bigint,
    liquidationBonus: bigint,
    protocolLiqFee: bigint,
    closeFactor: bigint,
    flashFeeBps: bigint,
  },
): TransactionInstruction
 
pausePoolIx(authority: PublicKey, pool: PublicKey): TransactionInstruction
 
resumePoolIx(authority: PublicKey, pool: PublicKey): TransactionInstruction
 
collectFeesIx(
  authority: PublicKey,
  pool: PublicKey,
  vault: PublicKey,
  treasury: PublicKey,
  poolAuthority: PublicKey,
): TransactionInstruction