import { Lux, BinTools, BN, Buffer } from "lux/dist" import { XVMAPI, SECPTransferOutput, SECPTransferInput, TransferableOutput, TransferableInput, UTXOSet, UTXO, AmountOutput, UnsignedTx, XVMConstants, OperationTx, TransferableOperation, Tx, KeyChain, NFTMintOperation, NFTMintOutput } from "lux/dist/apis/xvm" import { OutputOwners } from "lux/dist/common" import { PrivateKeyPrefix, DefaultLocalGenesisPrivateKey, Defaults } from "lux/dist/utils" // before you run this example buildCreateNFTAssetTx.ts const getUTXOIDs = ( utxoSet: UTXOSet, txid: string, outputType: number = XVMConstants.SECPXFEROUTPUTID_CODECONE, assetID = "2fombhL7aGPwj3KH4bfrmJwW6PVnMobf9Y2fn9GwxiAAJyFDbe" ): string[] => { const utxoids: string[] = utxoSet.getUTXOIDs() let result: string[] = [] for (let index: number = 0; index < utxoids.length; ++index) { if ( utxoids[index].indexOf(txid.slice(0, 10)) != -1 && utxoSet.getUTXO(utxoids[index]).getOutput().getOutputID() == outputType && assetID == bintools.cb58Encode(utxoSet.getUTXO(utxoids[index]).getAssetID()) ) { result.push(utxoids[index]) } } return result } const ip: string = "localhost" const port: number = 9650 const protocol: string = "http" const networkID: number = 1337 const lux: Lux = new Lux(ip, port, protocol, networkID) const xchain: XVMAPI = lux.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 luxAssetID: string = Defaults.network[networkID].X.luxAssetID const luxAssetIDBuf: Buffer = bintools.cb58Decode(luxAssetID) const outputs: TransferableOutput[] = [] const inputs: TransferableInput[] = [] const operations: TransferableOperation[] = [] const fee: BN = xchain.getDefaultTxFee() const threshold: number = 1 const locktime: BN = new BN(0) const memo: Buffer = Buffer.from("XVM manual OperationTx to mint an NFT") const payload: Buffer = Buffer.from("NFT Payload") const groupID: number = 0 // Uncomment for codecID 00 01 // const codecID: number = 1 const main = async (): Promise => { const xvmUTXOResponse: any = await xchain.getUTXOs(xAddressStrings) const utxoSet: UTXOSet = xvmUTXOResponse.utxos const utxos: UTXO[] = utxoSet.getAllUTXOs() utxos.forEach((utxo: UTXO): void => { const txid: Buffer = utxo.getTxID() const outputidx: Buffer = utxo.getOutputIdx() const assetID: Buffer = utxo.getAssetID() if ( utxo.getOutput().getTypeID() != 10 && utxo.getOutput().getTypeID() != 11 ) { const amountOutput: AmountOutput = utxo.getOutput() as AmountOutput const amt: BN = amountOutput.getAmount().clone() if (assetID.toString("hex") === luxAssetIDBuf.toString("hex")) { const secpTransferOutput: SECPTransferOutput = new SECPTransferOutput( amt.sub(fee), xAddresses, locktime, threshold ) // Uncomment for codecID 00 01 // secpTransferOutput.setCodecID(codecID) const transferableOutput: TransferableOutput = new TransferableOutput( luxAssetIDBuf, secpTransferOutput ) outputs.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, luxAssetIDBuf, secpTransferInput ) inputs.push(input) } else { const secpTransferOutput: SECPTransferOutput = new SECPTransferOutput( amt, xAddresses, locktime, threshold ) // Uncomment for codecID 00 01 // secpTransferOutput.setCodecID(codecID) const transferableOutput: TransferableOutput = new TransferableOutput( assetID, secpTransferOutput ) outputs.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) } } else if ( utxo.getOutput().getTypeID() != 7 && utxo.getOutput().getTypeID() != 11 ) { const outputOwners: OutputOwners = new OutputOwners( xAddresses, locktime, threshold ) const nftMintOutputUTXOIDs: string[] = getUTXOIDs( utxoSet, bintools.cb58Encode(txid), XVMConstants.NFTMINTOUTPUTID, bintools.cb58Encode(assetID) ) const mintOwner: NFTMintOutput = utxo.getOutput() as NFTMintOutput // Uncomment for codecID 00 01 // mintOwner.setCodecID(codecID) const nftMintOperation: NFTMintOperation = new NFTMintOperation( groupID, payload, [outputOwners] ) // Uncomment for codecID 00 01 // nftMintOperation.setCodecID(codecID) const spenders: Buffer[] = mintOwner.getSpenders(xAddresses) const nftMintOutputUTXOID: string = utxo.getUTXOID() if (nftMintOutputUTXOID === nftMintOutputUTXOIDs[0]) { spenders.forEach((spender: Buffer) => { const idx: number = mintOwner.getAddressIdx(spender) nftMintOperation.addSignatureIdx(idx, spender) }) const transferableOperation: TransferableOperation = new TransferableOperation( utxo.getAssetID(), [nftMintOutputUTXOID], nftMintOperation ) operations.push(transferableOperation) } } }) const operationTx: OperationTx = new OperationTx( networkID, bintools.cb58Decode(blockchainID), outputs, inputs, memo, operations ) // Uncomment for codecID 00 01 // operationTx.setCodecID(codecID) const unsignedTx: UnsignedTx = new UnsignedTx(operationTx) const tx: Tx = unsignedTx.sign(xKeychain) const txid: string = await xchain.issueTx(tx) console.log(`Success! TXID: ${txid}`) } main()