@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
109 lines (104 loc) • 4.25 kB
text/typescript
import { TransactionInstruction, PublicKey, AccountMeta } from "@solana/web3.js" // eslint-disable-line @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 * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars
import { PROGRAM_ID } from "../programId"
export interface OpenPositionV2Args {
tickLowerIndex: number
tickUpperIndex: number
tickArrayLowerStartIndex: number
tickArrayUpperStartIndex: number
liquidity: BN
amount0Max: BN
amount1Max: BN
withMatedata: boolean
baseFlag: boolean | null
}
export interface OpenPositionV2Accounts {
payer: PublicKey
positionNftOwner: PublicKey
positionNftMint: PublicKey
positionNftAccount: PublicKey
metadataAccount: PublicKey
poolState: PublicKey
protocolPosition: PublicKey
tickArrayLower: PublicKey
tickArrayUpper: PublicKey
personalPosition: PublicKey
tokenAccount0: PublicKey
tokenAccount1: PublicKey
tokenVault0: PublicKey
tokenVault1: PublicKey
rent: PublicKey
systemProgram: PublicKey
tokenProgram: PublicKey
associatedTokenProgram: PublicKey
metadataProgram: PublicKey
tokenProgram2022: PublicKey
vault0Mint: PublicKey
vault1Mint: PublicKey
}
export const layout = borsh.struct([
borsh.i32("tickLowerIndex"),
borsh.i32("tickUpperIndex"),
borsh.i32("tickArrayLowerStartIndex"),
borsh.i32("tickArrayUpperStartIndex"),
borsh.u128("liquidity"),
borsh.u64("amount0Max"),
borsh.u64("amount1Max"),
borsh.bool("withMatedata"),
borsh.option(borsh.bool(), "baseFlag"),
])
export function openPositionV2(
args: OpenPositionV2Args,
accounts: OpenPositionV2Accounts,
programId: PublicKey = PROGRAM_ID
) {
const keys: Array<AccountMeta> = [
{ pubkey: accounts.payer, isSigner: true, isWritable: true },
{ pubkey: accounts.positionNftOwner, isSigner: false, isWritable: false },
{ pubkey: accounts.positionNftMint, isSigner: true, isWritable: true },
{ pubkey: accounts.positionNftAccount, isSigner: false, isWritable: true },
{ pubkey: accounts.metadataAccount, isSigner: false, isWritable: true },
{ pubkey: accounts.poolState, isSigner: false, isWritable: true },
{ pubkey: accounts.protocolPosition, isSigner: false, isWritable: true },
{ pubkey: accounts.tickArrayLower, isSigner: false, isWritable: true },
{ pubkey: accounts.tickArrayUpper, isSigner: false, isWritable: true },
{ pubkey: accounts.personalPosition, isSigner: false, isWritable: true },
{ pubkey: accounts.tokenAccount0, isSigner: false, isWritable: true },
{ pubkey: accounts.tokenAccount1, isSigner: false, isWritable: true },
{ pubkey: accounts.tokenVault0, isSigner: false, isWritable: true },
{ pubkey: accounts.tokenVault1, isSigner: false, isWritable: true },
{ pubkey: accounts.rent, isSigner: false, isWritable: false },
{ pubkey: accounts.systemProgram, isSigner: false, isWritable: false },
{ pubkey: accounts.tokenProgram, isSigner: false, isWritable: false },
{
pubkey: accounts.associatedTokenProgram,
isSigner: false,
isWritable: false,
},
{ pubkey: accounts.metadataProgram, isSigner: false, isWritable: false },
{ pubkey: accounts.tokenProgram2022, isSigner: false, isWritable: false },
{ pubkey: accounts.vault0Mint, isSigner: false, isWritable: false },
{ pubkey: accounts.vault1Mint, isSigner: false, isWritable: false },
]
const identifier = Buffer.from([77, 184, 74, 214, 112, 86, 241, 199])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
tickLowerIndex: args.tickLowerIndex,
tickUpperIndex: args.tickUpperIndex,
tickArrayLowerStartIndex: args.tickArrayLowerStartIndex,
tickArrayUpperStartIndex: args.tickArrayUpperStartIndex,
liquidity: args.liquidity,
amount0Max: args.amount0Max,
amount1Max: args.amount1Max,
withMatedata: args.withMatedata,
baseFlag: args.baseFlag,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix = new TransactionInstruction({ keys, programId, data })
return ix
}