@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
54 lines (49 loc) • 1.71 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 SetDefaultProtocolFeeRateArgs {
defaultProtocolFeeRate: number
}
export interface SetDefaultProtocolFeeRateAccounts {
whirlpoolsConfig: Address
feeAuthority: TransactionSigner
}
export const layout = borsh.struct([borsh.u16("defaultProtocolFeeRate")])
export function setDefaultProtocolFeeRate(
args: SetDefaultProtocolFeeRateArgs,
accounts: SetDefaultProtocolFeeRateAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.whirlpoolsConfig, role: 1 },
{
address: accounts.feeAuthority.address,
role: 2,
signer: accounts.feeAuthority,
},
]
const identifier = Buffer.from([107, 205, 249, 226, 151, 35, 86, 0])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
defaultProtocolFeeRate: args.defaultProtocolFeeRate,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}