88 lines
2.6 KiB
TypeScript
88 lines
2.6 KiB
TypeScript
import * as splToken from "@solana/spl-token";
|
|
import {
|
|
PublicKey,
|
|
Connection,
|
|
Keypair,
|
|
} from "@solana/web3.js";
|
|
|
|
import { Market, OpenOrders } from "@project-serum/serum";
|
|
import { PythUtils } from "./pyth_utils";
|
|
import { SerumUtils } from "./serum_utils";
|
|
|
|
export interface TokenData {
|
|
mint : PublicKey,
|
|
market : Market | undefined,
|
|
startingPrice : number,
|
|
nbDecimals: number,
|
|
priceOracle: Keypair | undefined,
|
|
}
|
|
|
|
export class MintUtils {
|
|
|
|
private conn: Connection;
|
|
private authority: Keypair;
|
|
|
|
private recentBlockhash: string;
|
|
private pythUtils : PythUtils;
|
|
private serumUtils : SerumUtils;
|
|
|
|
|
|
constructor(conn: Connection, authority: Keypair, dexProgramId: PublicKey, pythProgramId: PublicKey) {
|
|
this.conn = conn;
|
|
this.authority = authority;
|
|
this.recentBlockhash = "";
|
|
this.pythUtils = new PythUtils(conn, authority, pythProgramId);
|
|
this.serumUtils = new SerumUtils(conn, authority, dexProgramId);
|
|
}
|
|
|
|
async createMint(nb_decimals = 6) : Promise<PublicKey> {
|
|
const kp = Keypair.generate();
|
|
return await splToken.createMint(this.conn,
|
|
this.authority,
|
|
this.authority.publicKey,
|
|
this.authority.publicKey,
|
|
nb_decimals,
|
|
kp)
|
|
}
|
|
|
|
public async updateTokenPrice(tokenData: TokenData, newPrice: number) {
|
|
this.pythUtils.updatePriceAccount(tokenData.priceOracle,
|
|
{
|
|
exponent: tokenData.nbDecimals,
|
|
aggregatePriceInfo: {
|
|
price: BigInt(newPrice),
|
|
conf: BigInt(newPrice * 0.01),
|
|
},
|
|
});
|
|
}
|
|
|
|
public async createNewToken(quoteToken: PublicKey, nbDecimals = 6, startingPrice = 1_000_000) {
|
|
const mint = await this.createMint(nbDecimals);
|
|
const tokenData : TokenData = {
|
|
mint: mint,
|
|
market : await this.serumUtils.createMarket({
|
|
baseToken : mint,
|
|
quoteToken: quoteToken,
|
|
baseLotSize : 1000,
|
|
quoteLotSize : 1000,
|
|
feeRateBps : 0,
|
|
}),
|
|
startingPrice : startingPrice,
|
|
nbDecimals: nbDecimals,
|
|
priceOracle : await this.pythUtils.createPriceAccount(),
|
|
};
|
|
await this.updateTokenPrice(tokenData, startingPrice)
|
|
return tokenData;
|
|
}
|
|
|
|
public async createTokenAccount(mint: PublicKey, payer: Keypair, owner: PublicKey) {
|
|
const account = Keypair.generate();
|
|
return splToken.createAccount(
|
|
this.conn,
|
|
payer,
|
|
mint,
|
|
owner,
|
|
account
|
|
)
|
|
}
|
|
} |