UNPKG

@kamino-finance/kliquidity-sdk

Version:

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

103 lines (98 loc) 3.41 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 FlashSwapUnevenVaultsEndArgs { minRepayAmount: BN amountToLeaveToUser: BN aToB: boolean } export interface FlashSwapUnevenVaultsEndAccounts { swapper: TransactionSigner strategy: Address globalConfig: Address tokenAVault: Address tokenBVault: Address tokenAAta: Address tokenBAta: Address baseVaultAuthority: Address pool: Address position: Address scopePrices: Address tokenInfos: Address tickArrayLower: Address tickArrayUpper: Address tokenAMint: Address tokenBMint: Address tokenATokenProgram: Address tokenBTokenProgram: Address instructionSysvarAccount: Address consensusAccount: Address } export const layout = borsh.struct([ borsh.u64("minRepayAmount"), borsh.u64("amountToLeaveToUser"), borsh.bool("aToB"), ]) /** * End of Flash swap uneven vaults. * * See [`flash_swap_uneven_vaults_start`] for details. * * Warning: This instruction is allowed to be used independently from * `FlashSwapUnevenVaultsStart` and shall not perform any operation * that can be exploited when used alone. */ export function flashSwapUnevenVaultsEnd( args: FlashSwapUnevenVaultsEndArgs, accounts: FlashSwapUnevenVaultsEndAccounts, programAddress: Address = PROGRAM_ID ) { const keys: Array<IAccountMeta | IAccountSignerMeta> = [ { address: accounts.swapper.address, role: 3, signer: accounts.swapper }, { address: accounts.strategy, role: 1 }, { address: accounts.globalConfig, role: 0 }, { address: accounts.tokenAVault, role: 1 }, { address: accounts.tokenBVault, role: 1 }, { address: accounts.tokenAAta, role: 1 }, { address: accounts.tokenBAta, role: 1 }, { address: accounts.baseVaultAuthority, role: 1 }, { address: accounts.pool, role: 1 }, { address: accounts.position, role: 1 }, { address: accounts.scopePrices, role: 0 }, { address: accounts.tokenInfos, role: 0 }, { address: accounts.tickArrayLower, role: 0 }, { address: accounts.tickArrayUpper, role: 0 }, { address: accounts.tokenAMint, role: 0 }, { address: accounts.tokenBMint, role: 0 }, { address: accounts.tokenATokenProgram, role: 0 }, { address: accounts.tokenBTokenProgram, role: 0 }, { address: accounts.instructionSysvarAccount, role: 0 }, { address: accounts.consensusAccount, role: 0 }, ] const identifier = Buffer.from([226, 2, 190, 101, 202, 132, 156, 20]) const buffer = Buffer.alloc(1000) const len = layout.encode( { minRepayAmount: args.minRepayAmount, amountToLeaveToUser: args.amountToLeaveToUser, aToB: args.aToB, }, buffer ) const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len) const ix: IInstruction = { accounts: keys, programAddress, data } return ix }