bch-js/test/unit/slp-tokentype1.js

/*
  Unit tests for the TokenType1 library.
*/

const assert = require("chai").assert
const nock = require("nock") // http call mocking
const sinon = require("sinon")
// const axios = require("axios")

// Default to unit tests unless some other value for TEST is passed.
if (!process.env.TEST) process.env.TEST = "unit"
// const SERVER = bchjs.restURL

const BCHJS = require("../../src/bch-js")
const bchjs = new BCHJS()

// Mock data used for unit tests
// const mockData = require("./fixtures/slp/mock-utils")

// Default to unit tests unless some other value for TEST is passed.
if (!process.env.TEST) process.env.TEST = "unit"

describe("#SLP TokenType1", () => {
  let sandbox

  beforeEach(() => {
    // Activate nock if it's inactive.
    if (!nock.isActive()) nock.activate()

    sandbox = sinon.createSandbox()
  })

  afterEach(() => {
    // Clean up HTTP mocks.
    nock.cleanAll() // clear interceptor list.
    nock.restore()

    sandbox.restore()
  })

  describe("#generateSendOpReturn", () => {
    it("should generate send OP_RETURN code", async () => {
      // Mock UTXO.
      const tokenUtxos = [
        {
          txid:
            "a8eb788b8ddda6faea00e6e2756624b8feb97655363d0400dd66839ea619d36e",
          vout: 2,
          value: "546",
          confirmations: 0,
          satoshis: 546,
          utxoType: "token",
          transactionType: "send",
          tokenId:
            "497291b8a1dfe69c8daea50677a3d31a5ef0e9484d8bebb610dac64bbc202fb7",
          tokenTicker: "TOK-CH",
          tokenName: "TokyoCash",
          tokenDocumentUrl: "",
          tokenDocumentHash: "",
          decimals: 8,
          tokenQty: 7
        }
      ]

      const result = await bchjs.SLP.TokenType1.generateSendOpReturn(
        tokenUtxos,
        1
      )

      assert.hasAllKeys(result, ["script", "outputs"])
      assert.isNumber(result.outputs)
    })

    it("should handle problematic configuration", async () => {
      // Mock UTXO.
      const tokenUtxos = [
        {
          txid:
            "0bd6b874246202b4cbc2f501419a5ce6f9b01e8ba9521298afd15c7e8eac5951",
          vout: 2,
          value: "546",
          confirmations: 0,
          satoshis: 546,
          utxoType: "token",
          transactionType: "send",
          tokenId:
            "155784a206873c98acc09e8dabcccf6abf13c4c14d8662190534138a16bb93ce",
          tokenTicker: "PSF",
          tokenName: "PSF Testnet Token",
          tokenDocumentUrl: "",
          tokenDocumentHash: "",
          decimals: 8,
          tokenQty: 18004.71169917
        }
      ]

      const result = await bchjs.SLP.TokenType1.generateSendOpReturn(
        tokenUtxos,
        5000
      )
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
      // console.log(`result.script: `, result.script)

      // This transaction failed due to a floating point error. This is expressed
      // by the script[6] being length 2 (incorrect) instead of 8 (correct).
      assert.equal(result.script[5].length, 8)
      assert.equal(result.script[6].length, 8)
    })

    it("should generate good OP_RETURN for problematic TX", () => {
      const utxo1 = {
        txid:
          "35287aa2aa7d3f1954fbbcb8a748d8773359b4f2771a851959a4a6116bcb552c",
        vout: 1,
        amount: 0.00000546,
        satoshis: 546,
        legacyAddress: "1MuLZ9LzLSTKioBHoPzeSfFANTEN2CZhuS",
        cashAddress: "bitcoincash:qrj5sala6z53v559q54mekexru2xe34yrquhmpy5kx",
        tokenId:
          "c4b0d62156b3fa5c8f3436079b5394f7edc1bef5dc1cd2f9d0c4d46f82cca479",
        decimals: 2,
        tokenQty: 1371.6
      }

      const utxo2 = {
        txid:
          "cb652ce62babc81936f0f1e1d5b80102cb44de99dece83f4bbd34cfaeef744b0",
        vout: 2,
        amount: 0.00000546,
        satoshis: 546,
        legacyAddress: "1LzjkvDVB16k6kcSz8hZodW9KPP2zxwmGh",
        cashAddress: "bitcoincash:qrd4tj48lpf0wv36qt5mkd6c3n4h5xcfgqqw77s63d",
        tokenId:
          "c4b0d62156b3fa5c8f3436079b5394f7edc1bef5dc1cd2f9d0c4d46f82cca479",
        decimals: 2,
        tokenQty: 3250.75
      }

      const utxos = [utxo1, utxo2]

      const { script } = bchjs.SLP.TokenType1.generateSendOpReturn(utxos, 1400)

      // console.log(`script: `, script)
      // console.log(`outputs: `, outputs)

      // console.log(`script[6]: ${script[6].toString("hex")}`)
      // console.log(`script[6].length: ${script[6].length}`)

      // This transaction failed due to a floating point error. This is expressed
      // by the script[6] being length 2 (incorrect) instead of 8 (correct).
      assert.equal(script[6].length, 8)
    })
  })

  describe("#generateBurnOpReturn", () => {
    it("should generate burn OP_RETURN code", async () => {
      // Mock UTXO.
      const tokenUtxos = [
        {
          txid:
            "a8eb788b8ddda6faea00e6e2756624b8feb97655363d0400dd66839ea619d36e",
          vout: 2,
          value: "546",
          confirmations: 0,
          satoshis: 546,
          utxoType: "token",
          transactionType: "send",
          tokenId:
            "497291b8a1dfe69c8daea50677a3d31a5ef0e9484d8bebb610dac64bbc202fb7",
          tokenTicker: "TOK-CH",
          tokenName: "TokyoCash",
          tokenDocumentUrl: "",
          tokenDocumentHash: "",
          decimals: 8,
          tokenQty: 7
        }
      ]

      const result = await bchjs.SLP.TokenType1.generateBurnOpReturn(
        tokenUtxos,
        1
      )
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.isArray(result)
    })
  })

  describe("#generateGenesisOpReturn", () => {
    it("should generate genesis OP_RETURN code", async () => {
      const configObj = {
        name: "SLP Test Token",
        ticker: "SLPTEST",
        documentUrl: "https://bchjs.cash",
        decimals: 8,
        initialQty: 10
      }

      const result = await bchjs.SLP.TokenType1.generateGenesisOpReturn(
        configObj
      )

      assert.isArray(result)
      assert.equal(Buffer.isBuffer(result[1]), true)
    })
  })
})