UNPKG

@kamino-finance/kliquidity-sdk

Version:

Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol

119 lines (101 loc) 3.67 kB
/* 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 WhirlpoolsConfigExtensionFields { whirlpoolsConfig: Address configExtensionAuthority: Address tokenBadgeAuthority: Address } export interface WhirlpoolsConfigExtensionJSON { whirlpoolsConfig: string configExtensionAuthority: string tokenBadgeAuthority: string } export class WhirlpoolsConfigExtension { readonly whirlpoolsConfig: Address readonly configExtensionAuthority: Address readonly tokenBadgeAuthority: Address static readonly discriminator = Buffer.from([ 2, 99, 215, 163, 240, 26, 153, 58, ]) static readonly layout = borsh.struct<WhirlpoolsConfigExtension>([ borshAddress("whirlpoolsConfig"), borshAddress("configExtensionAuthority"), borshAddress("tokenBadgeAuthority"), ]) constructor(fields: WhirlpoolsConfigExtensionFields) { this.whirlpoolsConfig = fields.whirlpoolsConfig this.configExtensionAuthority = fields.configExtensionAuthority this.tokenBadgeAuthority = fields.tokenBadgeAuthority } static async fetch( rpc: Rpc<GetAccountInfoApi>, address: Address, programId: Address = PROGRAM_ID ): Promise<WhirlpoolsConfigExtension | 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<WhirlpoolsConfigExtension | 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): WhirlpoolsConfigExtension { if (!data.slice(0, 8).equals(WhirlpoolsConfigExtension.discriminator)) { throw new Error("invalid account discriminator") } const dec = WhirlpoolsConfigExtension.layout.decode(data.slice(8)) return new WhirlpoolsConfigExtension({ whirlpoolsConfig: dec.whirlpoolsConfig, configExtensionAuthority: dec.configExtensionAuthority, tokenBadgeAuthority: dec.tokenBadgeAuthority, }) } toJSON(): WhirlpoolsConfigExtensionJSON { return { whirlpoolsConfig: this.whirlpoolsConfig, configExtensionAuthority: this.configExtensionAuthority, tokenBadgeAuthority: this.tokenBadgeAuthority, } } static fromJSON( obj: WhirlpoolsConfigExtensionJSON ): WhirlpoolsConfigExtension { return new WhirlpoolsConfigExtension({ whirlpoolsConfig: address(obj.whirlpoolsConfig), configExtensionAuthority: address(obj.configExtensionAuthority), tokenBadgeAuthority: address(obj.tokenBadgeAuthority), }) } }