@openproduct/web-sdk/src/contract/token/ft/utils.ts

OpenMask Web - TypeScript Browser SDK for TON blockchain

import BN from "bn.js";
import { Cell } from "../../../boc/cell";
import Address from "../../../utils/address";

export const jettonBurnBody = (params: {
  queryId?: number;
  jettonAmount: BN;
  responseAddress: Address;
}) => {
  const cell = new Cell();
  cell.bits.writeUint(0x595f07bc, 32); // burn op
  cell.bits.writeUint(params.queryId || 0, 64);
  cell.bits.writeCoins(params.jettonAmount);
  cell.bits.writeAddress(params.responseAddress);
  return cell;
};

export const jettonTransferBody = (params: {
  queryId?: number;
  jettonAmount: BN;
  toAddress: Address;
  responseAddress: Address;
  forwardAmount: BN;
  forwardPayload: Uint8Array;
}) => {
  const cell = new Cell();
  cell.bits.writeUint(0xf8a7ea5, 32); // request_transfer op
  cell.bits.writeUint(params.queryId || 0, 64);
  cell.bits.writeCoins(params.jettonAmount);
  cell.bits.writeAddress(params.toAddress);
  cell.bits.writeAddress(params.responseAddress);
  cell.bits.writeBit(false); // null custom_payload
  cell.bits.writeCoins(params.forwardAmount || new BN(0));
  cell.bits.writeBit(false); // forward_payload in this slice, not separate cell
  if (params.forwardPayload) {
    cell.bits.writeBytes(params.forwardPayload);
  }
  return cell;
};