@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
103 lines (98 loc) • 3.41 kB
text/typescript
/* 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
}