@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
67 lines (61 loc) • 2.03 kB
text/typescript
/* eslint-disable @typescript-eslint/no-unused-vars */
import {
Address,
isSome,
AccountMeta,
AccountSignerMeta,
Instruction,
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 const DISCRIMINATOR = Buffer.from([48, 51, 92, 122, 81, 19, 112, 41])
export interface TestInitArgs {
params: types.TestInitParamsFields
}
export interface TestInitAccounts {
upgradeAuthority: TransactionSigner
admin: Address
transferAuthority: Address
perpetuals: Address
systemProgram: Address
tokenProgram: Address
}
export const layout = borsh.struct<TestInitArgs>([
types.TestInitParams.layout("params"),
])
export function testInit(
args: TestInitArgs,
accounts: TestInitAccounts,
remainingAccounts: Array<AccountMeta | AccountSignerMeta> = [],
programAddress: Address = PROGRAM_ID
) {
const keys: Array<AccountMeta | AccountSignerMeta> = [
{
address: accounts.upgradeAuthority.address,
role: 3,
signer: accounts.upgradeAuthority,
},
{ address: accounts.admin, role: 0 },
{ address: accounts.transferAuthority, role: 1 },
{ address: accounts.perpetuals, role: 1 },
{ address: accounts.systemProgram, role: 0 },
{ address: accounts.tokenProgram, role: 0 },
...remainingAccounts,
]
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
params: types.TestInitParams.toEncodable(args.params),
},
buffer
)
const data = Buffer.concat([DISCRIMINATOR, buffer]).slice(0, 8 + len)
const ix: Instruction = { accounts: keys, programAddress, data }
return ix
}