/**
* Solana Token Service
* SPL Token operations
*/
import { Connection, PublicKey, Keypair } from '@solana/web3.js';
import {
createMint,
mintTo,
transfer,
getOrCreateAssociatedTokenAccount,
} from '@solana/spl-token';
export interface TokenCreateParams {
decimals: number;
mintAuthority: string;
freezeAuthority?: string;
payer: Keypair;
}
export interface TokenMintParams {
mint: string;
destination: string;
amount: bigint;
authority: Keypair;
}
export interface TokenTransferParams {
mint: string;
source: string;
destination: string;
amount: bigint;
owner: Keypair;
}
export class SolanaTokenService {
private connection: Connection;
constructor(connection: Connection) {
this.connection = connection;
}
async createToken(params: TokenCreateParams): Promise<string> {
const mint = await createMint(
this.connection,
params.payer,
new PublicKey(params.mintAuthority),
params.freezeAuthority ? new PublicKey(params.freezeAuthority) : null,
params.decimals
);
return mint.toBase58();
}
async mintTokens(params: TokenMintParams): Promise<string> {
const destinationAta = await getOrCreateAssociatedTokenAccount(
this.connection,
params.authority,
new PublicKey(params.mint),
new PublicKey(params.destination)
);
const signature = await mintTo(
this.connection,
params.authority,
new PublicKey(params.mint),
destinationAta.address,
params.authority,
params.amount
);
return signature;
}
async transferTokens(params: TokenTransferParams): Promise<string> {
const sourceAta = await getOrCreateAssociatedTokenAccount(
this.connection,
params.owner,
new PublicKey(params.mint),
new PublicKey(params.source)
);
const destAta = await getOrCreateAssociatedTokenAccount(
this.connection,
params.owner,
new PublicKey(params.mint),
new PublicKey(params.destination)
);
const signature = await transfer(
this.connection,
params.owner,
sourceAta.address,
destAta.address,
params.owner,
params.amount
);
return signature;
}
}
