@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
83 lines (78 loc) • 2.64 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 SwapV2Args {
amount: BN
otherAmountThreshold: BN
sqrtPriceLimitX64: BN
isBaseInput: boolean
}
export interface SwapV2Accounts {
payer: TransactionSigner
ammConfig: Address
poolState: Address
inputTokenAccount: Address
outputTokenAccount: Address
inputVault: Address
outputVault: Address
observationState: Address
tokenProgram: Address
tokenProgram2022: Address
memoProgram: Address
inputVaultMint: Address
outputVaultMint: Address
}
export const layout = borsh.struct([
borsh.u64("amount"),
borsh.u64("otherAmountThreshold"),
borsh.u128("sqrtPriceLimitX64"),
borsh.bool("isBaseInput"),
])
export function swapV2(
args: SwapV2Args,
accounts: SwapV2Accounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.payer.address, role: 2, signer: accounts.payer },
{ address: accounts.ammConfig, role: 0 },
{ address: accounts.poolState, role: 1 },
{ address: accounts.inputTokenAccount, role: 1 },
{ address: accounts.outputTokenAccount, role: 1 },
{ address: accounts.inputVault, role: 1 },
{ address: accounts.outputVault, role: 1 },
{ address: accounts.observationState, role: 1 },
{ address: accounts.tokenProgram, role: 0 },
{ address: accounts.tokenProgram2022, role: 0 },
{ address: accounts.memoProgram, role: 0 },
{ address: accounts.inputVaultMint, role: 0 },
{ address: accounts.outputVaultMint, role: 0 },
]
const identifier = Buffer.from([43, 4, 237, 11, 26, 201, 30, 98])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
amount: args.amount,
otherAmountThreshold: args.otherAmountThreshold,
sqrtPriceLimitX64: args.sqrtPriceLimitX64,
isBaseInput: args.isBaseInput,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}