@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
67 lines (62 loc) • 2.56 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 AddLiquidityOneSidePreciseArgs {
parameter: types.AddLiquiditySingleSidePreciseParameterFields
}
export interface AddLiquidityOneSidePreciseAccounts {
position: PublicKey
lbPair: PublicKey
binArrayBitmapExtension: PublicKey
userToken: PublicKey
reserve: PublicKey
tokenMint: PublicKey
binArrayLower: PublicKey
binArrayUpper: PublicKey
sender: PublicKey
tokenProgram: PublicKey
eventAuthority: PublicKey
program: PublicKey
}
export const layout = borsh.struct([
types.AddLiquiditySingleSidePreciseParameter.layout("parameter"),
])
export function addLiquidityOneSidePrecise(
args: AddLiquidityOneSidePreciseArgs,
accounts: AddLiquidityOneSidePreciseAccounts,
programId: PublicKey = PROGRAM_ID
) {
const keys: Array<AccountMeta> = [
{ pubkey: accounts.position, isSigner: false, isWritable: true },
{ pubkey: accounts.lbPair, isSigner: false, isWritable: true },
{
pubkey: accounts.binArrayBitmapExtension,
isSigner: false,
isWritable: true,
},
{ pubkey: accounts.userToken, isSigner: false, isWritable: true },
{ pubkey: accounts.reserve, isSigner: false, isWritable: true },
{ pubkey: accounts.tokenMint, isSigner: false, isWritable: false },
{ pubkey: accounts.binArrayLower, isSigner: false, isWritable: true },
{ pubkey: accounts.binArrayUpper, isSigner: false, isWritable: true },
{ pubkey: accounts.sender, isSigner: true, isWritable: false },
{ pubkey: accounts.tokenProgram, isSigner: false, isWritable: false },
{ pubkey: accounts.eventAuthority, isSigner: false, isWritable: false },
{ pubkey: accounts.program, isSigner: false, isWritable: false },
]
const identifier = Buffer.from([161, 194, 103, 84, 171, 71, 250, 154])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
parameter: types.AddLiquiditySingleSidePreciseParameter.toEncodable(
args.parameter
),
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix = new TransactionInstruction({ keys, programId, data })
return ix
}