@kamino-finance/kliquidity-sdk/src/@codegen/meteora/instructions/removeLiquidity.ts

Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol

/* eslint-disable @typescript-eslint/no-unused-vars */
import {
  Address,
  isSome,
  IAccountMeta,
  IAccountSignerMeta,
  IInstruction,
  Option,
  TransactionSigner,
} from "@solana/kit"
/* eslint-enable @typescript-eslint/no-unused-vars */
import BN from "bn.js" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as borsh from "@coral-xyz/borsh" // eslint-disable-line @typescript-eslint/no-unused-vars
import { borshAddress } from "../utils" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars
import { PROGRAM_ID } from "../programId"

export interface RemoveLiquidityArgs {
  binLiquidityRemoval: Array<types.BinLiquidityReductionFields>
}

export interface RemoveLiquidityAccounts {
  position: Address
  lbPair: Address
  binArrayBitmapExtension: Option<Address>
  userTokenX: Address
  userTokenY: Address
  reserveX: Address
  reserveY: Address
  tokenXMint: Address
  tokenYMint: Address
  binArrayLower: Address
  binArrayUpper: Address
  sender: TransactionSigner
  tokenXProgram: Address
  tokenYProgram: Address
  eventAuthority: Address
  program: Address
}

export const layout = borsh.struct([
  borsh.vec(types.BinLiquidityReduction.layout(), "binLiquidityRemoval"),
])

export function removeLiquidity(
  args: RemoveLiquidityArgs,
  accounts: RemoveLiquidityAccounts,
  programAddress: Address = PROGRAM_ID
) {
  const keys: Array<IAccountMeta | IAccountSignerMeta> = [
    { address: accounts.position, role: 1 },
    { address: accounts.lbPair, role: 1 },
    isSome(accounts.binArrayBitmapExtension)
      ? { address: accounts.binArrayBitmapExtension.value, role: 1 }
      : { address: programAddress, role: 0 },
    { address: accounts.userTokenX, role: 1 },
    { address: accounts.userTokenY, role: 1 },
    { address: accounts.reserveX, role: 1 },
    { address: accounts.reserveY, role: 1 },
    { address: accounts.tokenXMint, role: 0 },
    { address: accounts.tokenYMint, role: 0 },
    { address: accounts.binArrayLower, role: 1 },
    { address: accounts.binArrayUpper, role: 1 },
    { address: accounts.sender.address, role: 2, signer: accounts.sender },
    { address: accounts.tokenXProgram, role: 0 },
    { address: accounts.tokenYProgram, role: 0 },
    { address: accounts.eventAuthority, role: 0 },
    { address: accounts.program, role: 0 },
  ]
  const identifier = Buffer.from([80, 85, 209, 72, 24, 206, 177, 108])
  const buffer = Buffer.alloc(1000)
  const len = layout.encode(
    {
      binLiquidityRemoval: args.binLiquidityRemoval.map((item) =>
        types.BinLiquidityReduction.toEncodable(item)
      ),
    },
    buffer
  )
  const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
  const ix: IInstruction = { accounts: keys, programAddress, data }
  return ix
}