@kamino-finance/scope-sdk
Version:
Scope Oracle SDK
70 lines (65 loc) • 2.4 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 IncreasePositionPreSwapArgs {
params: types.IncreasePositionPreSwapParamsFields
}
export interface IncreasePositionPreSwapAccounts {
keeper: TransactionSigner
keeperAta: Address
positionRequest: Address
positionRequestAta: Address
position: Address
collateralCustody: Address
collateralCustodyTokenAccount: Address
instruction: Address
tokenProgram: Address
eventAuthority: Address
program: Address
}
export const layout = borsh.struct([
types.IncreasePositionPreSwapParams.layout("params"),
])
export function increasePositionPreSwap(
args: IncreasePositionPreSwapArgs,
accounts: IncreasePositionPreSwapAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.keeper.address, role: 2, signer: accounts.keeper },
{ address: accounts.keeperAta, role: 1 },
{ address: accounts.positionRequest, role: 1 },
{ address: accounts.positionRequestAta, role: 1 },
{ address: accounts.position, role: 0 },
{ address: accounts.collateralCustody, role: 0 },
{ address: accounts.collateralCustodyTokenAccount, role: 0 },
{ address: accounts.instruction, role: 0 },
{ address: accounts.tokenProgram, role: 0 },
{ address: accounts.eventAuthority, role: 0 },
{ address: accounts.program, role: 0 },
]
const identifier = Buffer.from([26, 136, 225, 217, 22, 21, 83, 20])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
params: types.IncreasePositionPreSwapParams.toEncodable(args.params),
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}