const { accounts, contract } = require('@openzeppelin/test-environment'); const { BN } = require('@openzeppelin/test-helpers'); const ERC1155Holder = contract.fromArtifact('ERC1155Holder'); const ERC1155Mock = contract.fromArtifact('ERC1155Mock'); const { expect } = require('chai'); describe('ERC1155Holder', function () { const [creator] = accounts; it('receives ERC1155 tokens', async function () { const uri = 'https://token-cdn-domain/{id}.json'; const multiToken = await ERC1155Mock.new(uri, { from: creator }); const multiTokenIds = [new BN(1), new BN(2), new BN(3)]; const multiTokenAmounts = [new BN(1000), new BN(2000), new BN(3000)]; await multiToken.mintBatch(creator, multiTokenIds, multiTokenAmounts, '0x', { from: creator }); const transferData = '0xf00dbabe'; const holder = await ERC1155Holder.new(); await multiToken.safeTransferFrom( creator, holder.address, multiTokenIds[0], multiTokenAmounts[0], transferData, { from: creator }, ); expect(await multiToken.balanceOf(holder.address, multiTokenIds[0])).to.be.bignumber.equal(multiTokenAmounts[0]); await multiToken.safeBatchTransferFrom( creator, holder.address, multiTokenIds.slice(1), multiTokenAmounts.slice(1), transferData, { from: creator }, ); for (let i = 1; i < multiTokenIds.length; i++) { expect(await multiToken.balanceOf(holder.address, multiTokenIds[i])).to.be.bignumber.equal(multiTokenAmounts[i]); } }); });