@kamino-finance/scope-sdk
Version:
Scope Oracle SDK
60 lines (55 loc) • 1.9 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 InitializeArgs {
feedName: string
}
export interface InitializeAccounts {
admin: TransactionSigner
systemProgram: Address
configuration: Address
tokenMetadatas: Address
oracleTwaps: Address
oraclePrices: Address
oracleMappings: Address
}
export const layout = borsh.struct([borsh.str("feedName")])
export function initialize(
args: InitializeArgs,
accounts: InitializeAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.admin.address, role: 3, signer: accounts.admin },
{ address: accounts.systemProgram, role: 0 },
{ address: accounts.configuration, role: 1 },
{ address: accounts.tokenMetadatas, role: 1 },
{ address: accounts.oracleTwaps, role: 1 },
{ address: accounts.oraclePrices, role: 1 },
{ address: accounts.oracleMappings, role: 1 },
]
const identifier = Buffer.from([175, 175, 109, 31, 13, 152, 155, 237])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
feedName: args.feedName,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}