UNPKG

@kamino-finance/kliquidity-sdk

Version:

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

76 lines (71 loc) 2.39 kB
/* 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 InitializePositionByOperatorArgs { lowerBinId: number width: number owner: Address feeOwner: Address } export interface InitializePositionByOperatorAccounts { payer: TransactionSigner base: TransactionSigner position: Address lbPair: Address /** operator */ operator: TransactionSigner systemProgram: Address rent: Address eventAuthority: Address program: Address } export const layout = borsh.struct([ borsh.i32("lowerBinId"), borsh.i32("width"), borshAddress("owner"), borshAddress("feeOwner"), ]) export function initializePositionByOperator( args: InitializePositionByOperatorArgs, accounts: InitializePositionByOperatorAccounts, programAddress: Address = PROGRAM_ID ) { const keys: Array<IAccountMeta | IAccountSignerMeta> = [ { address: accounts.payer.address, role: 3, signer: accounts.payer }, { address: accounts.base.address, role: 2, signer: accounts.base }, { address: accounts.position, role: 1 }, { address: accounts.lbPair, role: 0 }, { address: accounts.operator.address, role: 2, signer: accounts.operator }, { address: accounts.systemProgram, role: 0 }, { address: accounts.rent, role: 0 }, { address: accounts.eventAuthority, role: 0 }, { address: accounts.program, role: 0 }, ] const identifier = Buffer.from([251, 189, 190, 244, 117, 254, 35, 148]) const buffer = Buffer.alloc(1000) const len = layout.encode( { lowerBinId: args.lowerBinId, width: args.width, owner: args.owner, feeOwner: args.feeOwner, }, buffer ) const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len) const ix: IInstruction = { accounts: keys, programAddress, data } return ix }