UNPKG

@kamino-finance/scope-sdk

Version:
60 lines (55 loc) 1.9 kB
/* 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 }