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@kamino-finance/scope-sdk

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/* eslint-disable @typescript-eslint/no-unused-vars */ import { address, Address, fetchEncodedAccount, fetchEncodedAccounts, GetAccountInfoApi, GetMultipleAccountsApi, Rpc, } 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 ScopeChainAccountFields { chainArray: Array<Array<number>> } export interface ScopeChainAccountJSON { chainArray: Array<Array<number>> } export class ScopeChainAccount { readonly chainArray: Array<Array<number>> static readonly discriminator = Buffer.from([ 180, 51, 138, 247, 240, 173, 119, 79, ]) static readonly layout = borsh.struct<ScopeChainAccount>([ borsh.array(borsh.array(borsh.u16(), 4), 512, "chainArray"), ]) constructor(fields: ScopeChainAccountFields) { this.chainArray = fields.chainArray } static async fetch( rpc: Rpc<GetAccountInfoApi>, address: Address, programId: Address = PROGRAM_ID ): Promise<ScopeChainAccount | null> { const info = await fetchEncodedAccount(rpc, address) if (!info.exists) { return null } if (info.programAddress !== programId) { throw new Error("account doesn't belong to this program") } return this.decode(Buffer.from(info.data)) } static async fetchMultiple( rpc: Rpc<GetMultipleAccountsApi>, addresses: Address[], programId: Address = PROGRAM_ID ): Promise<Array<ScopeChainAccount | null>> { const infos = await fetchEncodedAccounts(rpc, addresses) return infos.map((info) => { if (!info.exists) { return null } if (info.programAddress !== programId) { throw new Error("account doesn't belong to this program") } return this.decode(Buffer.from(info.data)) }) } static decode(data: Buffer): ScopeChainAccount { if (!data.slice(0, 8).equals(ScopeChainAccount.discriminator)) { throw new Error("invalid account discriminator") } const dec = ScopeChainAccount.layout.decode(data.slice(8)) return new ScopeChainAccount({ chainArray: dec.chainArray, }) } toJSON(): ScopeChainAccountJSON { return { chainArray: this.chainArray, } } static fromJSON(obj: ScopeChainAccountJSON): ScopeChainAccount { return new ScopeChainAccount({ chainArray: obj.chainArray, }) } }