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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/avalanche/examples/avm

Просмотр файла: exportTx-ant-cchain.ts

import { Avalanche, BinTools, BN, Buffer } from "avalanche/dist"
import {
  AVMAPI,
  KeyChain,
  SECPTransferOutput,
  SECPTransferInput,
  TransferableOutput,
  TransferableInput,
  UTXOSet,
  UTXO,
  AmountOutput,
  UnsignedTx,
  Tx,
  ExportTx
} from "avalanche/dist/apis/avm"
import {
  PrivateKeyPrefix,
  DefaultLocalGenesisPrivateKey,
  Defaults
} from "avalanche/dist/utils"

const ip: string = "localhost"
const port: number = 9650
const protocol: string = "http"
const networkID: number = 1337
const avalanche: Avalanche = new Avalanche(ip, port, protocol, networkID)
const xchain: AVMAPI = avalanche.XChain()
const bintools: BinTools = BinTools.getInstance()
const xKeychain: KeyChain = xchain.keyChain()
const privKey: string = `${PrivateKeyPrefix}${DefaultLocalGenesisPrivateKey}`
xKeychain.importKey(privKey)
const xAddresses: Buffer[] = xchain.keyChain().getAddresses()
const xAddressStrings: string[] = xchain.keyChain().getAddressStrings()
const blockchainID: string = Defaults.network[networkID].X.blockchainID
const avaxAssetID: string = Defaults.network[networkID].X.avaxAssetID
const cChainBlockchainID: string = Defaults.network[networkID].C.blockchainID
const avaxAssetIDBuf: Buffer = bintools.cb58Decode(avaxAssetID)
const exportedOuts: TransferableOutput[] = []
const outputs: TransferableOutput[] = []
const inputs: TransferableInput[] = []
const fee: BN = xchain.getDefaultTxFee()
const threshold: number = 1
const locktime: BN = new BN(0)
const memo: Buffer = Buffer.from(
  "Manually Export AVAX and ANT from X-Chain to C-Chain"
)
// Uncomment for codecID 00 01
// const codecID: number = 1

const main = async (): Promise<any> => {
  const avmUTXOResponse: any = await xchain.getUTXOs(xAddressStrings)
  const utxoSet: UTXOSet = avmUTXOResponse.utxos
  const utxos: UTXO[] = utxoSet.getAllUTXOs()
  utxos.forEach((utxo: UTXO) => {
    if (utxo.getOutput().getTypeID() != 6) {
      const amountOutput: AmountOutput = utxo.getOutput() as AmountOutput
      let amt: BN = amountOutput.getAmount().clone()
      const txid: Buffer = utxo.getTxID()
      let assetID: Buffer = utxo.getAssetID()
      const outputidx: Buffer = utxo.getOutputIdx()
      let secpTransferOutput: SECPTransferOutput = new SECPTransferOutput()
      if (avaxAssetIDBuf.toString("hex") === assetID.toString("hex")) {
        secpTransferOutput = new SECPTransferOutput(
          amt.sub(fee),
          xAddresses,
          locktime,
          threshold
        )
      } else {
        secpTransferOutput = new SECPTransferOutput(
          amt,
          xAddresses,
          locktime,
          threshold
        )
      }
      // Uncomment for codecID 00 01
      // secpTransferOutput.setCodecID(codecID)
      const transferableOutput: TransferableOutput = new TransferableOutput(
        assetID,
        secpTransferOutput
      )
      exportedOuts.push(transferableOutput)

      const secpTransferInput: SECPTransferInput = new SECPTransferInput(amt)
      // Uncomment for codecID 00 01
      // secpTransferInput.setCodecID(codecID)
      secpTransferInput.addSignatureIdx(0, xAddresses[0])

      const input: TransferableInput = new TransferableInput(
        txid,
        outputidx,
        assetID,
        secpTransferInput
      )
      inputs.push(input)
    }
  })

  const exportTx: ExportTx = new ExportTx(
    networkID,
    bintools.cb58Decode(blockchainID),
    outputs,
    inputs,
    memo,
    bintools.cb58Decode(cChainBlockchainID),
    exportedOuts
  )
  // Uncomment for codecID 00 01
  // exportTx.setCodecID(codecID)
  const unsignedTx: UnsignedTx = new UnsignedTx(exportTx)
  const tx: Tx = unsignedTx.sign(xKeychain)
  const txid: string = await xchain.issueTx(tx)
  console.log(`Success! TXID: ${txid}`)
}

main()

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