@caminojs-nikos/caminojs
Version:
Camino Platform JS Library
286 lines • 39.6 kB
JavaScript
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.StandardAmountInput = exports.StandardTransferableInput = exports.StandardParseableInput = exports.Input = exports.BaseInputComparator = void 0;
/**
* @packageDocumentation
* @module Common-Inputs
*/
const buffer_1 = require("buffer/");
const bintools_1 = __importDefault(require("../utils/bintools"));
const bn_js_1 = __importDefault(require("bn.js"));
const credentials_1 = require("./credentials");
const serialization_1 = require("../utils/serialization");
/**
* @ignore
*/
const bintools = bintools_1.default.getInstance();
const serialization = serialization_1.Serialization.getInstance();
const BaseInputComparator = () => (a, b) => {
const aoutid = buffer_1.Buffer.alloc(4);
aoutid.writeUInt32BE(a.getInputID(), 0);
const abuff = a.toBuffer();
const boutid = buffer_1.Buffer.alloc(4);
boutid.writeUInt32BE(b.getInputID(), 0);
const bbuff = b.toBuffer();
const asort = buffer_1.Buffer.concat([aoutid, abuff], aoutid.length + abuff.length);
const bsort = buffer_1.Buffer.concat([boutid, bbuff], boutid.length + bbuff.length);
return buffer_1.Buffer.compare(asort, bsort);
};
exports.BaseInputComparator = BaseInputComparator;
class Input extends serialization_1.Serializable {
constructor() {
super(...arguments);
this._typeName = "Input";
this._typeID = undefined;
this.sigCount = buffer_1.Buffer.alloc(4);
this.sigIdxs = []; // idxs of signers from utxo
/**
* Returns the array of [[SigIdx]] for this [[Input]]
*/
this.getSigIdxs = () => this.sigIdxs;
/**
* Creates and adds a [[SigIdx]] to the [[Input]].
*
* @param addressIdx The index of the address to reference in the signatures
* @param address The address of the source of the signature
*/
this.addSignatureIdx = (addressIdx, address) => {
const sigidx = new credentials_1.SigIdx();
const b = buffer_1.Buffer.alloc(4);
b.writeUInt32BE(addressIdx, 0);
sigidx.fromBuffer(b);
sigidx.setSource(address);
this.sigIdxs.push(sigidx);
this.sigCount.writeUInt32BE(this.sigIdxs.length, 0);
};
}
serialize(encoding = "hex") {
let fields = super.serialize(encoding);
return Object.assign(Object.assign({}, fields), { sigIdxs: this.sigIdxs.map((s) => s.serialize(encoding)) });
}
deserialize(fields, encoding = "hex") {
super.deserialize(fields, encoding);
this.sigIdxs = fields["sigIdxs"].map((s) => {
let sidx = new credentials_1.SigIdx();
sidx.deserialize(s, encoding);
return sidx;
});
this.sigCount.writeUInt32BE(this.sigIdxs.length, 0);
}
getInput() {
return this;
}
fromBuffer(bytes, offset = 0) {
this.sigCount = bintools.copyFrom(bytes, offset, offset + 4);
offset += 4;
const sigCount = this.sigCount.readUInt32BE(0);
this.sigIdxs = [];
for (let i = 0; i < sigCount; i++) {
const sigidx = new credentials_1.SigIdx();
const sigbuff = bintools.copyFrom(bytes, offset, offset + 4);
sigidx.fromBuffer(sigbuff);
offset += 4;
this.sigIdxs.push(sigidx);
}
return offset;
}
toBuffer() {
this.sigCount.writeUInt32BE(this.sigIdxs.length, 0);
let bsize = this.sigCount.length;
const barr = [this.sigCount];
for (let i = 0; i < this.sigIdxs.length; i++) {
const b = this.sigIdxs[`${i}`].toBuffer();
barr.push(b);
bsize += b.length;
}
return buffer_1.Buffer.concat(barr, bsize);
}
/**
* Returns a base-58 representation of the [[Input]].
*/
toString() {
return bintools.bufferToB58(this.toBuffer());
}
}
exports.Input = Input;
class StandardParseableInput extends serialization_1.Serializable {
serialize(encoding = "hex") {
let fields = super.serialize(encoding);
return Object.assign(Object.assign({}, fields), { input: this.input.serialize(encoding) });
}
addSignatureIdx(addressIdx, address) {
this.input.addSignatureIdx(addressIdx, address);
}
toBuffer() {
const inbuff = this.input.toBuffer();
const inid = buffer_1.Buffer.alloc(4);
inid.writeUInt32BE(this.input.getInputID(), 0);
const barr = [inid, inbuff];
return buffer_1.Buffer.concat(barr, inid.length + inbuff.length);
}
/**
* Class representing an [[StandardParseableInput]] for a transaction.
*
* @param input A number representing the InputID of the [[StandardParseableInput]]
*/
constructor(input = undefined) {
super();
this._typeName = "StandardParseableInput";
this._typeID = undefined;
this.getInput = () => this.input;
this.getSigIdxs = () => {
return this.input.getSigIdxs();
};
this.input = input;
}
}
exports.StandardParseableInput = StandardParseableInput;
/**
* Returns a function used to sort an array of [[StandardParseableInput]]s
*/
StandardParseableInput.comparator = () => (a, b) => {
const sorta = a.toBuffer();
const sortb = b.toBuffer();
return buffer_1.Buffer.compare(sorta, sortb);
};
class StandardTransferableInput extends StandardParseableInput {
serialize(encoding = "hex") {
let fields = super.serialize(encoding);
return Object.assign(Object.assign({}, fields), { txid: serialization.encoder(this.txid, encoding, "Buffer", "cb58"), outputidx: serialization.encoder(this.outputidx, encoding, "Buffer", "decimalString"), assetID: serialization.encoder(this.assetID, encoding, "Buffer", "cb58") });
}
deserialize(fields, encoding = "hex") {
super.deserialize(fields, encoding);
this.txid = serialization.decoder(fields["txid"], encoding, "cb58", "Buffer", 32);
this.outputidx = serialization.decoder(fields["outputidx"], encoding, "decimalString", "Buffer", 4);
this.assetID = serialization.decoder(fields["assetID"], encoding, "cb58", "Buffer", 32);
//input deserialization must be implmented in child classes
}
/**
* Returns a {@link https://github.com/feross/buffer|Buffer} representation of the [[StandardTransferableInput]].
*/
toBuffer() {
const parseableBuff = super.toBuffer();
const bsize = this.txid.length +
this.outputidx.length +
this.assetID.length +
parseableBuff.length;
const barr = [
this.txid,
this.outputidx,
this.assetID,
parseableBuff
];
const buff = buffer_1.Buffer.concat(barr, bsize);
return buff;
}
/**
* Returns a base-58 representation of the [[StandardTransferableInput]].
*/
toString() {
/* istanbul ignore next */
return bintools.bufferToB58(this.toBuffer());
}
/**
* Class representing an [[StandardTransferableInput]] for a transaction.
*
* @param txid A {@link https://github.com/feross/buffer|Buffer} containing the transaction ID of the referenced UTXO
* @param outputidx A {@link https://github.com/feross/buffer|Buffer} containing the index of the output in the transaction consumed in the [[StandardTransferableInput]]
* @param assetID A {@link https://github.com/feross/buffer|Buffer} representing the assetID of the [[Input]]
* @param input An [[Input]] to be made transferable
*/
constructor(txid = undefined, outputidx = undefined, assetID = undefined, input = undefined) {
super();
this._typeName = "StandardTransferableInput";
this._typeID = undefined;
this.txid = buffer_1.Buffer.alloc(32);
this.outputidx = buffer_1.Buffer.alloc(4);
this.assetID = buffer_1.Buffer.alloc(32);
/**
* Returns a {@link https://github.com/feross/buffer|Buffer} of the TxID.
*/
this.getTxID = () => this.txid;
/**
* Returns a {@link https://github.com/feross/buffer|Buffer} of the OutputIdx.
*/
this.getOutputIdx = () => this.outputidx;
/**
* Returns a base-58 string representation of the UTXOID this [[StandardTransferableInput]] references.
*/
this.getUTXOID = () => bintools.bufferToB58(buffer_1.Buffer.concat([this.txid, this.outputidx]));
/**
* Returns the input.
*/
this.getInput = () => this.input;
/**
* Returns the assetID of the input.
*/
this.getAssetID = () => this.assetID;
if (typeof txid !== undefined &&
typeof outputidx !== undefined &&
typeof assetID !== undefined &&
input !== undefined) {
this.input = input;
this.txid = txid;
this.outputidx = outputidx;
this.assetID = assetID;
}
}
}
exports.StandardTransferableInput = StandardTransferableInput;
/**
* An [[Input]] class which specifies a token amount .
*/
class StandardAmountInput extends Input {
serialize(encoding = "hex") {
let fields = super.serialize(encoding);
return Object.assign(Object.assign({}, fields), { amount: serialization.encoder(this.amount, encoding, "Buffer", "decimalString", 8) });
}
deserialize(fields, encoding = "hex") {
super.deserialize(fields, encoding);
this.amount = serialization.decoder(fields["amount"], encoding, "decimalString", "Buffer", 8);
this.amountValue = bintools.fromBufferToBN(this.amount);
}
/**
* Popuates the instance from a {@link https://github.com/feross/buffer|Buffer} representing the [[AmountInput]] and returns the size of the input.
*/
fromBuffer(bytes, offset = 0) {
this.amount = bintools.copyFrom(bytes, offset, offset + 8);
this.amountValue = bintools.fromBufferToBN(this.amount);
offset += 8;
return super.fromBuffer(bytes, offset);
}
/**
* Returns the buffer representing the [[AmountInput]] instance.
*/
toBuffer() {
const superbuff = super.toBuffer();
const bsize = this.amount.length + superbuff.length;
const barr = [this.amount, superbuff];
return buffer_1.Buffer.concat(barr, bsize);
}
/**
* An [[AmountInput]] class which issues a payment on an assetID.
*
* @param amount A {@link https://github.com/indutny/bn.js/|BN} representing the amount in the input
*/
constructor(amount = undefined) {
super();
this._typeName = "StandardAmountInput";
this._typeID = undefined;
this.amount = buffer_1.Buffer.alloc(8);
this.amountValue = new bn_js_1.default(0);
/**
* Returns the amount as a {@link https://github.com/indutny/bn.js/|BN}.
*/
this.getAmount = () => this.amountValue.clone();
if (amount) {
this.amountValue = amount.clone();
this.amount = bintools.fromBNToBuffer(amount, 8);
}
}
}
exports.StandardAmountInput = StandardAmountInput;
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* @packageDocumentation\n * @module Common-Inputs\n */\nimport { Buffer } from \"buffer/\"\nimport BinTools from \"../utils/bintools\"\nimport BN from \"bn.js\"\nimport { SigIdx } from \"./credentials\"\nimport {\n  Serializable,\n  Serialization,\n  SerializedEncoding\n} from \"../utils/serialization\"\n\n/**\n * @ignore\n */\nconst bintools: BinTools = BinTools.getInstance()\nconst serialization: Serialization = Serialization.getInstance()\n\nexport interface BaseInput {\n  getTypeID(): number\n\n  serialize(encoding: SerializedEncoding): object\n  deserialize(fields: object, encoding: SerializedEncoding): void\n  fromBuffer(bytes: Buffer, offset: number): number\n  toBuffer(): Buffer\n\n  getInput(): BaseInput\n  getInputID(): number\n  getCredentialID(): number\n  addSignatureIdx(addressIdx: number, address: Buffer): void\n  getSigIdxs(): SigIdx[]\n\n  clone(): this\n  create(...args: any[]): this\n}\n\nexport const BaseInputComparator =\n  (): ((a: BaseInput, b: BaseInput) => 1 | -1 | 0) =>\n  (a: BaseInput, b: BaseInput): 1 | -1 | 0 => {\n    const aoutid: Buffer = Buffer.alloc(4)\n    aoutid.writeUInt32BE(a.getInputID(), 0)\n    const abuff: Buffer = a.toBuffer()\n\n    const boutid: Buffer = Buffer.alloc(4)\n    boutid.writeUInt32BE(b.getInputID(), 0)\n    const bbuff: Buffer = b.toBuffer()\n\n    const asort: Buffer = Buffer.concat(\n      [aoutid, abuff],\n      aoutid.length + abuff.length\n    )\n    const bsort: Buffer = Buffer.concat(\n      [boutid, bbuff],\n      boutid.length + bbuff.length\n    )\n    return Buffer.compare(asort, bsort) as 1 | -1 | 0\n  }\n\nexport abstract class Input extends Serializable {\n  protected _typeName = \"Input\"\n  protected _typeID = undefined\n\n  serialize(encoding: SerializedEncoding = \"hex\"): object {\n    let fields: object = super.serialize(encoding)\n    return {\n      ...fields,\n      sigIdxs: this.sigIdxs.map((s) => s.serialize(encoding))\n    }\n  }\n  deserialize(fields: object, encoding: SerializedEncoding = \"hex\") {\n    super.deserialize(fields, encoding)\n    this.sigIdxs = fields[\"sigIdxs\"].map((s: object) => {\n      let sidx: SigIdx = new SigIdx()\n      sidx.deserialize(s, encoding)\n      return sidx\n    })\n    this.sigCount.writeUInt32BE(this.sigIdxs.length, 0)\n  }\n\n  protected sigCount: Buffer = Buffer.alloc(4)\n  protected sigIdxs: SigIdx[] = [] // idxs of signers from utxo\n\n  getInput(): BaseInput {\n    return this\n  }\n\n  abstract getInputID(): number\n\n  /**\n   * Returns the array of [[SigIdx]] for this [[Input]]\n   */\n  getSigIdxs = (): SigIdx[] => this.sigIdxs\n\n  abstract getCredentialID(): number\n\n  /**\n   * Creates and adds a [[SigIdx]] to the [[Input]].\n   *\n   * @param addressIdx The index of the address to reference in the signatures\n   * @param address The address of the source of the signature\n   */\n  addSignatureIdx = (addressIdx: number, address: Buffer) => {\n    const sigidx: SigIdx = new SigIdx()\n    const b: Buffer = Buffer.alloc(4)\n    b.writeUInt32BE(addressIdx, 0)\n    sigidx.fromBuffer(b)\n    sigidx.setSource(address)\n    this.sigIdxs.push(sigidx)\n    this.sigCount.writeUInt32BE(this.sigIdxs.length, 0)\n  }\n\n  fromBuffer(bytes: Buffer, offset: number = 0): number {\n    this.sigCount = bintools.copyFrom(bytes, offset, offset + 4)\n    offset += 4\n    const sigCount: number = this.sigCount.readUInt32BE(0)\n    this.sigIdxs = []\n    for (let i: number = 0; i < sigCount; i++) {\n      const sigidx = new SigIdx()\n      const sigbuff: Buffer = bintools.copyFrom(bytes, offset, offset + 4)\n      sigidx.fromBuffer(sigbuff)\n      offset += 4\n      this.sigIdxs.push(sigidx)\n    }\n    return offset\n  }\n\n  toBuffer(): Buffer {\n    this.sigCount.writeUInt32BE(this.sigIdxs.length, 0)\n    let bsize: number = this.sigCount.length\n    const barr: Buffer[] = [this.sigCount]\n    for (let i: number = 0; i < this.sigIdxs.length; i++) {\n      const b: Buffer = this.sigIdxs[`${i}`].toBuffer()\n      barr.push(b)\n      bsize += b.length\n    }\n    return Buffer.concat(barr, bsize)\n  }\n\n  /**\n   * Returns a base-58 representation of the [[Input]].\n   */\n  toString(): string {\n    return bintools.bufferToB58(this.toBuffer())\n  }\n\n  abstract clone(): this\n\n  abstract create(...args: any[]): this\n\n  abstract select(id: number, ...args: any[]): BaseInput\n}\n\nexport abstract class StandardParseableInput extends Serializable {\n  protected _typeName = \"StandardParseableInput\"\n  protected _typeID = undefined\n\n  serialize(encoding: SerializedEncoding = \"hex\"): object {\n    let fields: object = super.serialize(encoding)\n    return {\n      ...fields,\n      input: this.input.serialize(encoding)\n    }\n  }\n\n  protected input: BaseInput\n\n  /**\n   * Returns a function used to sort an array of [[StandardParseableInput]]s\n   */\n  static comparator =\n    (): ((\n      a: StandardParseableInput,\n      b: StandardParseableInput\n    ) => 1 | -1 | 0) =>\n    (a: StandardParseableInput, b: StandardParseableInput): 1 | -1 | 0 => {\n      const sorta = a.toBuffer()\n      const sortb = b.toBuffer()\n      return Buffer.compare(sorta, sortb) as 1 | -1 | 0\n    }\n\n  getInput = (): BaseInput => this.input\n\n  addSignatureIdx(addressIdx: number, address: Buffer): void {\n    this.input.addSignatureIdx(addressIdx, address)\n  }\n\n  getSigIdxs = (): SigIdx[] => {\n    return this.input.getSigIdxs()\n  }\n\n  // must be implemented to select input types for the VM in question\n  abstract fromBuffer(bytes: Buffer, offset?: number): number\n\n  toBuffer(): Buffer {\n    const inbuff: Buffer = this.input.toBuffer()\n    const inid: Buffer = Buffer.alloc(4)\n    inid.writeUInt32BE(this.input.getInputID(), 0)\n    const barr: Buffer[] = [inid, inbuff]\n    return Buffer.concat(barr, inid.length + inbuff.length)\n  }\n\n  /**\n   * Class representing an [[StandardParseableInput]] for a transaction.\n   *\n   * @param input A number representing the InputID of the [[StandardParseableInput]]\n   */\n  constructor(input: BaseInput = undefined) {\n    super()\n    this.input = input\n  }\n}\n\nexport abstract class StandardTransferableInput extends StandardParseableInput {\n  protected _typeName = \"StandardTransferableInput\"\n  protected _typeID = undefined\n\n  serialize(encoding: SerializedEncoding = \"hex\"): object {\n    let fields: object = super.serialize(encoding)\n    return {\n      ...fields,\n      txid: serialization.encoder(this.txid, encoding, \"Buffer\", \"cb58\"),\n      outputidx: serialization.encoder(\n        this.outputidx,\n        encoding,\n        \"Buffer\",\n        \"decimalString\"\n      ),\n      assetID: serialization.encoder(this.assetID, encoding, \"Buffer\", \"cb58\")\n    }\n  }\n  deserialize(fields: object, encoding: SerializedEncoding = \"hex\") {\n    super.deserialize(fields, encoding)\n    this.txid = serialization.decoder(\n      fields[\"txid\"],\n      encoding,\n      \"cb58\",\n      \"Buffer\",\n      32\n    )\n    this.outputidx = serialization.decoder(\n      fields[\"outputidx\"],\n      encoding,\n      \"decimalString\",\n      \"Buffer\",\n      4\n    )\n    this.assetID = serialization.decoder(\n      fields[\"assetID\"],\n      encoding,\n      \"cb58\",\n      \"Buffer\",\n      32\n    )\n    //input deserialization must be implmented in child classes\n  }\n\n  protected txid: Buffer = Buffer.alloc(32)\n  protected outputidx: Buffer = Buffer.alloc(4)\n  protected assetID: Buffer = Buffer.alloc(32)\n\n  /**\n   * Returns a {@link https://github.com/feross/buffer|Buffer} of the TxID.\n   */\n  getTxID = (): /* istanbul ignore next */ Buffer => this.txid\n\n  /**\n   * Returns a {@link https://github.com/feross/buffer|Buffer}  of the OutputIdx.\n   */\n  getOutputIdx = (): /* istanbul ignore next */ Buffer => this.outputidx\n\n  /**\n   * Returns a base-58 string representation of the UTXOID this [[StandardTransferableInput]] references.\n   */\n  getUTXOID = (): string =>\n    bintools.bufferToB58(Buffer.concat([this.txid, this.outputidx]))\n\n  /**\n   * Returns the input.\n   */\n  getInput = (): BaseInput => this.input\n\n  /**\n   * Returns the assetID of the input.\n   */\n  getAssetID = (): Buffer => this.assetID\n\n  abstract fromBuffer(bytes: Buffer, offset?: number): number\n\n  /**\n   * Returns a {@link https://github.com/feross/buffer|Buffer} representation of the [[StandardTransferableInput]].\n   */\n  toBuffer(): Buffer {\n    const parseableBuff: Buffer = super.toBuffer()\n    const bsize: number =\n      this.txid.length +\n      this.outputidx.length +\n      this.assetID.length +\n      parseableBuff.length\n    const barr: Buffer[] = [\n      this.txid,\n      this.outputidx,\n      this.assetID,\n      parseableBuff\n    ]\n    const buff: Buffer = Buffer.concat(barr, bsize)\n    return buff\n  }\n\n  /**\n   * Returns a base-58 representation of the [[StandardTransferableInput]].\n   */\n  toString(): string {\n    /* istanbul ignore next */\n    return bintools.bufferToB58(this.toBuffer())\n  }\n\n  /**\n   * Class representing an [[StandardTransferableInput]] for a transaction.\n   *\n   * @param txid A {@link https://github.com/feross/buffer|Buffer} containing the transaction ID of the referenced UTXO\n   * @param outputidx A {@link https://github.com/feross/buffer|Buffer} containing the index of the output in the transaction consumed in the [[StandardTransferableInput]]\n   * @param assetID A {@link https://github.com/feross/buffer|Buffer} representing the assetID of the [[Input]]\n   * @param input An [[Input]] to be made transferable\n   */\n  constructor(\n    txid: Buffer = undefined,\n    outputidx: Buffer = undefined,\n    assetID: Buffer = undefined,\n    input: BaseInput = undefined\n  ) {\n    super()\n    if (\n      typeof txid !== undefined &&\n      typeof outputidx !== undefined &&\n      typeof assetID !== undefined &&\n      input !== undefined\n    ) {\n      this.input = input\n      this.txid = txid\n      this.outputidx = outputidx\n      this.assetID = assetID\n    }\n  }\n}\n\n/**\n * An [[Input]] class which specifies a token amount .\n */\nexport abstract class StandardAmountInput extends Input {\n  protected _typeName = \"StandardAmountInput\"\n  protected _typeID = undefined\n\n  serialize(encoding: SerializedEncoding = \"hex\"): object {\n    let fields: object = super.serialize(encoding)\n    return {\n      ...fields,\n      amount: serialization.encoder(\n        this.amount,\n        encoding,\n        \"Buffer\",\n        \"decimalString\",\n        8\n      )\n    }\n  }\n  deserialize(fields: object, encoding: SerializedEncoding = \"hex\") {\n    super.deserialize(fields, encoding)\n    this.amount = serialization.decoder(\n      fields[\"amount\"],\n      encoding,\n      \"decimalString\",\n      \"Buffer\",\n      8\n    )\n    this.amountValue = bintools.fromBufferToBN(this.amount)\n  }\n\n  protected amount: Buffer = Buffer.alloc(8)\n  protected amountValue: BN = new BN(0)\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   * Popuates the instance from a {@link https://github.com/feross/buffer|Buffer} representing the [[AmountInput]] and returns the size of the input.\n   */\n  fromBuffer(bytes: Buffer, offset: number = 0): number {\n    this.amount = bintools.copyFrom(bytes, offset, offset + 8)\n    this.amountValue = bintools.fromBufferToBN(this.amount)\n    offset += 8\n    return super.fromBuffer(bytes, offset)\n  }\n\n  /**\n   * Returns the buffer representing the [[AmountInput]] instance.\n   */\n  toBuffer(): Buffer {\n    const superbuff: Buffer = super.toBuffer()\n    const bsize: number = this.amount.length + superbuff.length\n    const barr: Buffer[] = [this.amount, superbuff]\n    return Buffer.concat(barr, bsize)\n  }\n\n  /**\n   * An [[AmountInput]] class which issues a payment on an assetID.\n   *\n   * @param amount A {@link https://github.com/indutny/bn.js/|BN} representing the amount in the input\n   */\n  constructor(amount: BN = undefined) {\n    super()\n    if (amount) {\n      this.amountValue = amount.clone()\n      this.amount = bintools.fromBNToBuffer(amount, 8)\n    }\n  }\n}\n"]}