@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
54 lines (49 loc) • 1.78 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 UpdateFeeParametersArgs {
feeParameter: types.FeeParameterFields
}
export interface UpdateFeeParametersAccounts {
lbPair: Address
admin: TransactionSigner
eventAuthority: Address
program: Address
}
export const layout = borsh.struct([types.FeeParameter.layout("feeParameter")])
export function updateFeeParameters(
args: UpdateFeeParametersArgs,
accounts: UpdateFeeParametersAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.lbPair, role: 1 },
{ address: accounts.admin.address, role: 2, signer: accounts.admin },
{ address: accounts.eventAuthority, role: 0 },
{ address: accounts.program, role: 0 },
]
const identifier = Buffer.from([128, 128, 208, 91, 246, 53, 31, 176])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
feeParameter: types.FeeParameter.toEncodable(args.feeParameter),
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}