UNPKG

@kamino-finance/kliquidity-sdk

Version:

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

110 lines (105 loc) 3.58 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 TwoHopSwapArgs { amount: BN otherAmountThreshold: BN amountSpecifiedIsInput: boolean aToBOne: boolean aToBTwo: boolean sqrtPriceLimitOne: BN sqrtPriceLimitTwo: BN } export interface TwoHopSwapAccounts { tokenProgram: Address tokenAuthority: TransactionSigner whirlpoolOne: Address whirlpoolTwo: Address tokenOwnerAccountOneA: Address tokenVaultOneA: Address tokenOwnerAccountOneB: Address tokenVaultOneB: Address tokenOwnerAccountTwoA: Address tokenVaultTwoA: Address tokenOwnerAccountTwoB: Address tokenVaultTwoB: Address tickArrayOne0: Address tickArrayOne1: Address tickArrayOne2: Address tickArrayTwo0: Address tickArrayTwo1: Address tickArrayTwo2: Address oracleOne: Address oracleTwo: Address } export const layout = borsh.struct([ borsh.u64("amount"), borsh.u64("otherAmountThreshold"), borsh.bool("amountSpecifiedIsInput"), borsh.bool("aToBOne"), borsh.bool("aToBTwo"), borsh.u128("sqrtPriceLimitOne"), borsh.u128("sqrtPriceLimitTwo"), ]) export function twoHopSwap( args: TwoHopSwapArgs, accounts: TwoHopSwapAccounts, programAddress: Address = PROGRAM_ID ) { const keys: Array<IAccountMeta | IAccountSignerMeta> = [ { address: accounts.tokenProgram, role: 0 }, { address: accounts.tokenAuthority.address, role: 2, signer: accounts.tokenAuthority, }, { address: accounts.whirlpoolOne, role: 1 }, { address: accounts.whirlpoolTwo, role: 1 }, { address: accounts.tokenOwnerAccountOneA, role: 1 }, { address: accounts.tokenVaultOneA, role: 1 }, { address: accounts.tokenOwnerAccountOneB, role: 1 }, { address: accounts.tokenVaultOneB, role: 1 }, { address: accounts.tokenOwnerAccountTwoA, role: 1 }, { address: accounts.tokenVaultTwoA, role: 1 }, { address: accounts.tokenOwnerAccountTwoB, role: 1 }, { address: accounts.tokenVaultTwoB, role: 1 }, { address: accounts.tickArrayOne0, role: 1 }, { address: accounts.tickArrayOne1, role: 1 }, { address: accounts.tickArrayOne2, role: 1 }, { address: accounts.tickArrayTwo0, role: 1 }, { address: accounts.tickArrayTwo1, role: 1 }, { address: accounts.tickArrayTwo2, role: 1 }, { address: accounts.oracleOne, role: 0 }, { address: accounts.oracleTwo, role: 0 }, ] const identifier = Buffer.from([195, 96, 237, 108, 68, 162, 219, 230]) const buffer = Buffer.alloc(1000) const len = layout.encode( { amount: args.amount, otherAmountThreshold: args.otherAmountThreshold, amountSpecifiedIsInput: args.amountSpecifiedIsInput, aToBOne: args.aToBOne, aToBTwo: args.aToBTwo, sqrtPriceLimitOne: args.sqrtPriceLimitOne, sqrtPriceLimitTwo: args.sqrtPriceLimitTwo, }, buffer ) const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len) const ix: IInstruction = { accounts: keys, programAddress, data } return ix }