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Текущая директория: /opt/BitGoJS/node_modules/avalanche/tests/apis/avm
Просмотр файла: inputs.test.ts

import { UTXOSet, UTXO } from "../../../src/apis/avm/utxos"
import { KeyChain } from "../../../src/apis/avm/keychain"
import {
  SECPTransferInput,
  TransferableInput
} from "../../../src/apis/avm/inputs"
import createHash from "create-hash"
import BinTools from "../../../src/utils/bintools"
import BN from "bn.js"
import { Buffer } from "buffer/"
import {
  SECPTransferOutput,
  AmountOutput,
  TransferableOutput
} from "../../../src/apis/avm/outputs"
import { AVMConstants } from "../../../src/apis/avm/constants"
import { Input } from "../../../src/common/input"
import { Output } from "../../../src/common/output"

/**
 * @ignore
 */
const bintools: BinTools = BinTools.getInstance()

describe("Inputs", (): void => {
  let set: UTXOSet
  let keymgr1: KeyChain
  let keymgr2: KeyChain
  let addrs1: Buffer[]
  let addrs2: Buffer[]
  let utxos: UTXO[]
  let hrp: string = "tests"
  const amnt: number = 10000
  const codecID_zero: number = 0
  const codecID_one: number = 1
  beforeEach((): void => {
    set = new UTXOSet()
    keymgr1 = new KeyChain(hrp, "X")
    keymgr2 = new KeyChain(hrp, "X")
    addrs1 = []
    addrs2 = []
    utxos = []
    for (let i: number = 0; i < 3; i++) {
      addrs1.push(keymgr1.makeKey().getAddress())
      addrs2.push(keymgr2.makeKey().getAddress())
    }
    const amount: BN = new BN(amnt)
    const addresses: Buffer[] = keymgr1.getAddresses()
    const locktime: BN = new BN(54321)
    const threshold: number = 3

    for (let i: number = 0; i < 3; i++) {
      const txid: Buffer = Buffer.from(
        createHash("sha256")
          .update(bintools.fromBNToBuffer(new BN(i), 32))
          .digest()
      )
      const txidx: Buffer = Buffer.from(bintools.fromBNToBuffer(new BN(i), 4))
      const assetID: Buffer = Buffer.from(
        createHash("sha256").update(txid).digest()
      )
      const out: Output = new SECPTransferOutput(
        amount.add(new BN(i)),
        addresses,
        locktime,
        threshold
      )
      const xferout: TransferableOutput = new TransferableOutput(assetID, out)
      const u: UTXO = new UTXO(
        AVMConstants.LATESTCODEC,
        txid,
        txidx,
        assetID,
        out
      )
      u.fromBuffer(
        Buffer.concat([u.getCodecIDBuffer(), txid, txidx, xferout.toBuffer()])
      )
      utxos.push(u)
    }
    set.addArray(utxos)
  })
  test("SECPInput", (): void => {
    let u: UTXO
    let txid: Buffer
    let txidx: Buffer
    const amount: BN = new BN(amnt)
    let input: SECPTransferInput
    let xferinput: TransferableInput

    u = utxos[0]
    txid = u.getTxID()
    txidx = u.getOutputIdx()
    const asset = u.getAssetID()

    input = new SECPTransferInput(amount)
    xferinput = new TransferableInput(txid, txidx, asset, input)
    expect(xferinput.getUTXOID()).toBe(u.getUTXOID())
    expect(input.getInputID()).toBe(AVMConstants.SECPINPUTID)

    input.addSignatureIdx(0, addrs2[0])
    input.addSignatureIdx(1, addrs2[1])

    const newin: SECPTransferInput = new SECPTransferInput()
    newin.fromBuffer(bintools.b58ToBuffer(input.toString()))
    expect(newin.toBuffer().toString("hex")).toBe(
      input.toBuffer().toString("hex")
    )
    expect(newin.getSigIdxs().toString()).toBe(input.getSigIdxs().toString())
  })

  test("Input comparator", (): void => {
    const inpt1: SECPTransferInput = new SECPTransferInput(
      (utxos[0].getOutput() as AmountOutput).getAmount()
    )
    const inpt2: SECPTransferInput = new SECPTransferInput(
      (utxos[1].getOutput() as AmountOutput).getAmount()
    )
    const inpt3: SECPTransferInput = new SECPTransferInput(
      (utxos[2].getOutput() as AmountOutput).getAmount()
    )
    const cmp = Input.comparator()
    expect(cmp(inpt1, inpt2)).toBe(-1)
    expect(cmp(inpt1, inpt3)).toBe(-1)
    expect(cmp(inpt1, inpt1)).toBe(0)
    expect(cmp(inpt2, inpt2)).toBe(0)
    expect(cmp(inpt3, inpt3)).toBe(0)
  })

  test("TransferableInput comparator", (): void => {
    const inpt1: SECPTransferInput = new SECPTransferInput(
      (utxos[0].getOutput() as AmountOutput).getAmount()
    )
    const in1: TransferableInput = new TransferableInput(
      utxos[0].getTxID(),
      utxos[0].getOutputIdx(),
      utxos[0].getAssetID(),
      inpt1
    )

    const inpt2: SECPTransferInput = new SECPTransferInput(
      (utxos[1].getOutput() as AmountOutput).getAmount()
    )
    const in2: TransferableInput = new TransferableInput(
      utxos[1].getTxID(),
      utxos[1].getOutputIdx(),
      utxos[1].getAssetID(),
      inpt2
    )

    const inpt3: SECPTransferInput = new SECPTransferInput(
      (utxos[2].getOutput() as AmountOutput).getAmount()
    )
    const in3: TransferableInput = new TransferableInput(
      utxos[2].getTxID(),
      utxos[2].getOutputIdx(),
      utxos[2].getAssetID(),
      inpt3
    )

    const cmp = TransferableInput.comparator()
    expect(cmp(in1, in2)).toBe(-1)
    expect(cmp(in1, in3)).toBe(-1)
    expect(cmp(in1, in1)).toBe(0)
    expect(cmp(in2, in2)).toBe(0)
    expect(cmp(in3, in3)).toBe(0)
  })

  test("SECPTransferInput codecIDs", (): void => {
    const secpTransferInput: SECPTransferInput = new SECPTransferInput(
      (utxos[0].getOutput() as AmountOutput).getAmount()
    )
    expect(secpTransferInput.getCodecID()).toBe(codecID_zero)
    expect(secpTransferInput.getInputID()).toBe(AVMConstants.SECPINPUTID)
    secpTransferInput.setCodecID(codecID_one)
    expect(secpTransferInput.getCodecID()).toBe(codecID_one)
    expect(secpTransferInput.getInputID()).toBe(
      AVMConstants.SECPINPUTID_CODECONE
    )
    secpTransferInput.setCodecID(codecID_zero)
    expect(secpTransferInput.getCodecID()).toBe(codecID_zero)
    expect(secpTransferInput.getInputID()).toBe(AVMConstants.SECPINPUTID)
  })

  test("Invalid SECPTransferInput codecID", (): void => {
    const secpTransferInput: SECPTransferInput = new SECPTransferInput(
      (utxos[0].getOutput() as AmountOutput).getAmount()
    )
    expect((): void => {
      secpTransferInput.setCodecID(2)
    }).toThrow(
      "Error - SECPTransferInput.setCodecID: invalid codecID. Valid codecIDs are 0 and 1."
    )
  })
})
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