@kamino-finance/scope-sdk
Version:
Scope Oracle SDK
76 lines (71 loc) • 2.46 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 ClosePositionRequestArgs {
params: types.ClosePositionRequestParamsFields
}
export interface ClosePositionRequestAccounts {
keeper: Option<TransactionSigner>
owner: Address
ownerAta: Option<Address>
pool: Address
positionRequest: Address
positionRequestAta: Address
position: Address
tokenProgram: Address
eventAuthority: Address
program: Address
}
export const layout = borsh.struct([
types.ClosePositionRequestParams.layout("params"),
])
export function closePositionRequest(
args: ClosePositionRequestArgs,
accounts: ClosePositionRequestAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
isSome(accounts.keeper)
? {
address: accounts.keeper.value.address,
role: 2,
signer: accounts.keeper.value,
}
: { address: programAddress, role: 0 },
{ address: accounts.owner, role: 1 },
isSome(accounts.ownerAta)
? { address: accounts.ownerAta.value, role: 1 }
: { address: programAddress, role: 0 },
{ address: accounts.pool, role: 1 },
{ address: accounts.positionRequest, role: 1 },
{ address: accounts.positionRequestAta, role: 1 },
{ address: accounts.position, role: 0 },
{ address: accounts.tokenProgram, role: 0 },
{ address: accounts.eventAuthority, role: 0 },
{ address: accounts.program, role: 0 },
]
const identifier = Buffer.from([40, 105, 217, 188, 220, 45, 109, 110])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
params: types.ClosePositionRequestParams.toEncodable(args.params),
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}