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"use strict"; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); exports.EVMOutput = exports.SECPTransferOutput = exports.AmountOutput = exports.TransferableOutput = exports.SelectOutputClass = void 0; /** * @packageDocumentation * @module API-EVM-Outputs */ const buffer_1 = require("buffer/"); const bn_js_1 = __importDefault(require("bn.js")); const bintools_1 = __importDefault(require("../../utils/bintools")); const constants_1 = require("./constants"); const output_1 = require("../../common/output"); const serialization_1 = require("../../utils/serialization"); const errors_1 = require("../../utils/errors"); const bintools = bintools_1.default.getInstance(); const serializer = serialization_1.Serialization.getInstance(); /** * Takes a buffer representing the output and returns the proper Output instance. * * @param outputID A number representing the outputID parsed prior to the bytes passed in * * @returns An instance of an [[Output]]-extended class. */ const SelectOutputClass = (outputID, ...args) => { if (outputID == constants_1.EVMConstants.SECPXFEROUTPUTID) { return new SECPTransferOutput(...args); } throw new errors_1.OutputIdError("Error - SelectOutputClass: unknown outputID"); }; exports.SelectOutputClass = SelectOutputClass; class TransferableOutput extends output_1.StandardTransferableOutput { constructor() { super(...arguments); this._typeName = "TransferableOutput"; this._typeID = undefined; } //serialize is inherited deserialize(fields, encoding = "hex") { super.deserialize(fields, encoding); this.output = (0, exports.SelectOutputClass)(fields["output"]["_typeID"]); this.output.deserialize(fields["output"], encoding); } fromBuffer(bytes, offset = 0) { this.assetID = bintools.copyFrom(bytes, offset, offset + constants_1.EVMConstants.ASSETIDLEN); offset += constants_1.EVMConstants.ASSETIDLEN; const outputid = bintools .copyFrom(bytes, offset, offset + 4) .readUInt32BE(0); offset += 4; this.output = (0, exports.SelectOutputClass)(outputid); return this.output.fromBuffer(bytes, offset); } } exports.TransferableOutput = TransferableOutput; class AmountOutput extends output_1.StandardAmountOutput { constructor() { super(...arguments); this._typeName = "AmountOutput"; this._typeID = undefined; } //serialize and deserialize both are inherited /** * * @param assetID An assetID which is wrapped around the Buffer of the Output */ makeTransferable(assetID) { return new TransferableOutput(assetID, this); } select(id, ...args) { return (0, exports.SelectOutputClass)(id, ...args); } } exports.AmountOutput = AmountOutput; /** * An [[Output]] class which specifies an Output that carries an ammount for an assetID and uses secp256k1 signature scheme. */ class SECPTransferOutput extends AmountOutput { constructor() { super(...arguments); this._typeName = "SECPTransferOutput"; this._typeID = constants_1.EVMConstants.SECPXFEROUTPUTID; } //serialize and deserialize both are inherited /** * Returns the outputID for this output */ getOutputID() { return this._typeID; } create(...args) { return new SECPTransferOutput(...args); } clone() { const newout = this.create(); newout.fromBuffer(this.toBuffer()); return newout; } } exports.SECPTransferOutput = SECPTransferOutput; class EVMOutput { serialize(encoding = "hex") { return { address: serializer.encoder(this.address, encoding, "Buffer", "hex"), amount: serializer.encoder(this.amount, encoding, "Buffer", "decimalString"), assetID: serializer.encoder(this.assetID, encoding, "Buffer", "cb58") }; } /** * Returns a {@link https://github.com/feross/buffer|Buffer} representation of the [[EVMOutput]]. */ toBuffer() { const bsize = this.address.length + this.amount.length + this.assetID.length; const barr = [this.address, this.amount, this.assetID]; const buff = buffer_1.Buffer.concat(barr, bsize); return buff; } /** * Decodes the [[EVMOutput]] as a {@link https://github.com/feross/buffer|Buffer} and returns the size. */ fromBuffer(bytes, offset = 0) { this.address = bintools.copyFrom(bytes, offset, offset + 20); offset += 20; this.amount = bintools.copyFrom(bytes, offset, offset + 8); offset += 8; this.assetID = bintools.copyFrom(bytes, offset, offset + 32); offset += 32; this.amountValue = new bn_js_1.default(this.amount); return offset; } /** * Returns a base-58 representation of the [[EVMOutput]]. */ toString() { return bintools.bufferToB58(this.toBuffer()); } create(...args) { return new EVMOutput(...args); } clone() { const newEVMOutput = this.create(); newEVMOutput.fromBuffer(this.toBuffer()); return newEVMOutput; } /** * An [[EVMOutput]] class which contains address, amount, and assetID. * * @param address The address recieving the asset as a {@link https://github.com/feross/buffer|Buffer} or a string. * @param amount A {@link https://github.com/indutny/bn.js/|BN} or number representing the amount. * @param assetID The assetID which is being sent as a {@link https://github.com/feross/buffer|Buffer} or a string. */ constructor(address = undefined, amount = undefined, assetID = undefined) { this.address = buffer_1.Buffer.alloc(20); this.amount = buffer_1.Buffer.alloc(8); this.amountValue = new bn_js_1.default(0); this.assetID = buffer_1.Buffer.alloc(32); /** * Returns the address of the input as {@link https://github.com/feross/buffer|Buffer} */ this.getAddress = () => this.address; /** * Returns the address as a bech32 encoded string. */ this.getAddressString = () => this.address.toString("hex"); /** * Returns the amount as a {@link https://github.com/indutny/bn.js/|BN}. */ this.getAmount = () => this.amountValue.clone(); /** * Returns the assetID of the input as {@link https://github.com/feross/buffer|Buffer} */ this.getAssetID = () => this.assetID; if (typeof address !== "undefined" && typeof amount !== "undefined" && typeof assetID !== "undefined") { if (typeof address === "string") { // if present then remove `0x` prefix const prefix = address.substring(0, 2); if (prefix === "0x") { address = address.split("x")[1]; } address = buffer_1.Buffer.from(address, "hex"); } // convert number amount to BN let amnt; if (typeof amount === "number") { amnt = new bn_js_1.default(amount); } else { amnt = amount; } // convert string assetID to Buffer if (!(assetID instanceof buffer_1.Buffer)) { assetID = bintools.cb58Decode(assetID); } this.address = address; this.amountValue = amnt.clone(); this.amount = bintools.fromBNToBuffer(amnt, 8); this.assetID = assetID; } } } exports.EVMOutput = EVMOutput; /** * Returns a function used to sort an array of [[EVMOutput]]s */ EVMOutput.comparator = () => (a, b) => { // primarily sort by address let sorta = a.getAddress(); let sortb = b.getAddress(); // secondarily sort by assetID if (sorta.equals(sortb)) { sorta = a.getAssetID(); sortb = b.getAssetID(); } return buffer_1.Buffer.compare(sorta, sortb); }; //# 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* @packageDocumentation\n * @module API-EVM-Outputs\n */\nimport { Buffer } from \"buffer/\"\nimport BN from \"bn.js\"\nimport BinTools from \"../../utils/bintools\"\nimport { EVMConstants } from \"./constants\"\nimport {\n  Output,\n  StandardAmountOutput,\n  StandardTransferableOutput\n} from \"../../common/output\"\nimport { Serialization, SerializedEncoding } from \"../../utils/serialization\"\nimport { EVMInput } from \"./inputs\"\nimport { OutputIdError } from \"../../utils/errors\"\n\nconst bintools: BinTools = BinTools.getInstance()\nconst serializer = Serialization.getInstance()\n\n/**\n * Takes a buffer representing the output and returns the proper Output instance.\n *\n * @param outputID A number representing the outputID parsed prior to the bytes passed in\n *\n * @returns An instance of an [[Output]]-extended class.\n */\nexport const SelectOutputClass = (outputID: number, ...args: any[]): Output => {\n  if (outputID == EVMConstants.SECPXFEROUTPUTID) {\n    return new SECPTransferOutput(...args)\n  }\n  throw new OutputIdError(\"Error - SelectOutputClass: unknown outputID\")\n}\n\nexport class TransferableOutput extends StandardTransferableOutput {\n  protected _typeName = \"TransferableOutput\"\n  protected _typeID = undefined\n\n  //serialize is inherited\n\n  deserialize(fields: object, encoding: SerializedEncoding = \"hex\") {\n    super.deserialize(fields, encoding)\n    this.output = SelectOutputClass(fields[\"output\"][\"_typeID\"])\n    this.output.deserialize(fields[\"output\"], encoding)\n  }\n\n  fromBuffer(bytes: Buffer, offset: number = 0): number {\n    this.assetID = bintools.copyFrom(\n      bytes,\n      offset,\n      offset + EVMConstants.ASSETIDLEN\n    )\n    offset += EVMConstants.ASSETIDLEN\n    const outputid: number = bintools\n      .copyFrom(bytes, offset, offset + 4)\n      .readUInt32BE(0)\n    offset += 4\n    this.output = SelectOutputClass(outputid)\n    return this.output.fromBuffer(bytes, offset)\n  }\n}\n\nexport abstract class AmountOutput extends StandardAmountOutput {\n  protected _typeName = \"AmountOutput\"\n  protected _typeID = undefined\n\n  //serialize and deserialize both are inherited\n\n  /**\n   *\n   * @param assetID An assetID which is wrapped around the Buffer of the Output\n   */\n  makeTransferable(assetID: Buffer): TransferableOutput {\n    return new TransferableOutput(assetID, this)\n  }\n\n  select(id: number, ...args: any[]): Output {\n    return SelectOutputClass(id, ...args)\n  }\n}\n\n/**\n * An [[Output]] class which specifies an Output that carries an ammount for an assetID and uses secp256k1 signature scheme.\n */\nexport class SECPTransferOutput extends AmountOutput {\n  protected _typeName = \"SECPTransferOutput\"\n  protected _typeID = EVMConstants.SECPXFEROUTPUTID\n\n  //serialize and deserialize both are inherited\n\n  /**\n   * Returns the outputID for this output\n   */\n  getOutputID(): number {\n    return this._typeID\n  }\n\n  create(...args: any[]): this {\n    return new SECPTransferOutput(...args) as this\n  }\n\n  clone(): this {\n    const newout: SECPTransferOutput = this.create()\n    newout.fromBuffer(this.toBuffer())\n    return newout as this\n  }\n}\n\nexport class EVMOutput {\n  protected address: Buffer = Buffer.alloc(20)\n  protected amount: Buffer = Buffer.alloc(8)\n  protected amountValue: BN = new BN(0)\n  protected assetID: Buffer = Buffer.alloc(32)\n\n  serialize(encoding: SerializedEncoding = \"hex\"): object {\n    return {\n      address: serializer.encoder(this.address, encoding, \"Buffer\", \"hex\"),\n      amount: serializer.encoder(\n        this.amount,\n        encoding,\n        \"Buffer\",\n        \"decimalString\"\n      ),\n      assetID: serializer.encoder(this.assetID, encoding, \"Buffer\", \"cb58\")\n    }\n  }\n\n  /**\n   * Returns a function used to sort an array of [[EVMOutput]]s\n   */\n  static comparator =\n    (): ((a: EVMOutput | EVMInput, b: EVMOutput | EVMInput) => 1 | -1 | 0) =>\n    (a: EVMOutput | EVMInput, b: EVMOutput | EVMInput): 1 | -1 | 0 => {\n      // primarily sort by address\n      let sorta: Buffer = a.getAddress()\n      let sortb: Buffer = b.getAddress()\n      // secondarily sort by assetID\n      if (sorta.equals(sortb)) {\n        sorta = a.getAssetID()\n        sortb = b.getAssetID()\n      }\n      return Buffer.compare(sorta, sortb) as 1 | -1 | 0\n    }\n\n  /**\n   * Returns the address of the input as {@link https://github.com/feross/buffer|Buffer}\n   */\n  getAddress = (): Buffer => this.address\n\n  /**\n   * Returns the address as a bech32 encoded string.\n   */\n  getAddressString = (): string => this.address.toString(\"hex\")\n\n  /**\n   * Returns the amount as a {@link https://github.com/indutny/bn.js/|BN}.\n   */\n  getAmount = (): BN => this.amountValue.clone()\n\n  /**\n   * Returns the assetID of the input as {@link https://github.com/feross/buffer|Buffer}\n   */\n  getAssetID = (): Buffer => this.assetID\n\n  /**\n   * Returns a {@link https://github.com/feross/buffer|Buffer} representation of the [[EVMOutput]].\n   */\n  toBuffer(): Buffer {\n    const bsize: number =\n      this.address.length + this.amount.length + this.assetID.length\n    const barr: Buffer[] = [this.address, this.amount, this.assetID]\n    const buff: Buffer = Buffer.concat(barr, bsize)\n    return buff\n  }\n\n  /**\n   * Decodes the [[EVMOutput]] as a {@link https://github.com/feross/buffer|Buffer} and returns the size.\n   */\n  fromBuffer(bytes: Buffer, offset: number = 0): number {\n    this.address = bintools.copyFrom(bytes, offset, offset + 20)\n    offset += 20\n    this.amount = bintools.copyFrom(bytes, offset, offset + 8)\n    offset += 8\n    this.assetID = bintools.copyFrom(bytes, offset, offset + 32)\n    offset += 32\n    this.amountValue = new BN(this.amount)\n    return offset\n  }\n\n  /**\n   * Returns a base-58 representation of the [[EVMOutput]].\n   */\n  toString(): string {\n    return bintools.bufferToB58(this.toBuffer())\n  }\n\n  create(...args: any[]): this {\n    return new EVMOutput(...args) as this\n  }\n\n  clone(): this {\n    const newEVMOutput: EVMOutput = this.create()\n    newEVMOutput.fromBuffer(this.toBuffer())\n    return newEVMOutput as this\n  }\n\n  /**\n   * An [[EVMOutput]] class which contains address, amount, and assetID.\n   *\n   * @param address The address recieving the asset as a {@link https://github.com/feross/buffer|Buffer} or a string.\n   * @param amount A {@link https://github.com/indutny/bn.js/|BN} or number representing the amount.\n   * @param assetID The assetID which is being sent as a {@link https://github.com/feross/buffer|Buffer} or a string.\n   */\n  constructor(\n    address: Buffer | string = undefined,\n    amount: BN | number = undefined,\n    assetID: Buffer | string = undefined\n  ) {\n    if (\n      typeof address !== \"undefined\" &&\n      typeof amount !== \"undefined\" &&\n      typeof assetID !== \"undefined\"\n    ) {\n      if (typeof address === \"string\") {\n        // if present then remove `0x` prefix\n        const prefix: string = address.substring(0, 2)\n        if (prefix === \"0x\") {\n          address = address.split(\"x\")[1]\n        }\n        address = Buffer.from(address, \"hex\")\n      }\n\n      // convert number amount to BN\n      let amnt: BN\n      if (typeof amount === \"number\") {\n        amnt = new BN(amount)\n      } else {\n        amnt = amount\n      }\n\n      // convert string assetID to Buffer\n      if (!(assetID instanceof Buffer)) {\n        assetID = bintools.cb58Decode(assetID)\n      }\n\n      this.address = address\n      this.amountValue = amnt.clone()\n      this.amount = bintools.fromBNToBuffer(amnt, 8)\n      this.assetID = assetID\n    }\n  }\n}\n"]}