@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
81 lines (76 loc) • 2.44 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 CreatePoolArgs {
sqrtPriceX64: BN
openTime: BN
}
export interface CreatePoolAccounts {
poolCreator: TransactionSigner
ammConfig: Address
poolState: Address
tokenMint0: Address
tokenMint1: Address
tokenVault0: Address
tokenVault1: Address
observationState: Address
tickArrayBitmap: Address
tokenProgram0: Address
tokenProgram1: Address
systemProgram: Address
rent: Address
}
export const layout = borsh.struct([
borsh.u128("sqrtPriceX64"),
borsh.u64("openTime"),
])
export function createPool(
args: CreatePoolArgs,
accounts: CreatePoolAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{
address: accounts.poolCreator.address,
role: 3,
signer: accounts.poolCreator,
},
{ address: accounts.ammConfig, role: 0 },
{ address: accounts.poolState, role: 1 },
{ address: accounts.tokenMint0, role: 0 },
{ address: accounts.tokenMint1, role: 0 },
{ address: accounts.tokenVault0, role: 1 },
{ address: accounts.tokenVault1, role: 1 },
{ address: accounts.observationState, role: 1 },
{ address: accounts.tickArrayBitmap, role: 1 },
{ address: accounts.tokenProgram0, role: 0 },
{ address: accounts.tokenProgram1, role: 0 },
{ address: accounts.systemProgram, role: 0 },
{ address: accounts.rent, role: 0 },
]
const identifier = Buffer.from([233, 146, 209, 142, 207, 104, 64, 188])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
sqrtPriceX64: args.sqrtPriceX64,
openTime: args.openTime,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}