@caminojs-nikos/caminojs
Version:
Camino Platform JS Library
168 lines • 20.4 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.BaseTx = void 0;
/**
* @packageDocumentation
* @module API-PlatformVM-BaseTx
*/
const buffer_1 = require("buffer/");
const bintools_1 = __importDefault(require("../../utils/bintools"));
const constants_1 = require("./constants");
const outputs_1 = require("./outputs");
const inputs_1 = require("./inputs");
const credentials_1 = require("./credentials");
const common_1 = require("../../common");
const constants_2 = require("../../utils/constants");
const tx_1 = require("../platformvm/tx");
/**
* @ignore
*/
const bintools = bintools_1.default.getInstance();
/**
* Class representing a base for all transactions.
*/
class BaseTx extends common_1.StandardBaseTx {
deserialize(fields, encoding = "hex") {
super.deserialize(fields, encoding);
this.outs = fields["outs"].map((o) => {
let newOut = new outputs_1.TransferableOutput();
newOut.deserialize(o, encoding);
return newOut;
});
this.ins = fields["ins"].map((i) => {
let newIn = new inputs_1.TransferableInput();
newIn.deserialize(i, encoding);
return newIn;
});
this.numouts = buffer_1.Buffer.alloc(4);
this.numouts.writeUInt32BE(this.outs.length, 0);
this.numins = buffer_1.Buffer.alloc(4);
this.numins.writeUInt32BE(this.ins.length, 0);
}
getOuts() {
return this.outs;
}
getIns() {
return this.ins;
}
getTotalOuts() {
return this.getOuts();
}
/**
* Returns the id of the [[BaseTx]]
*/
getTxType() {
return constants_1.PlatformVMConstants.BASETX;
}
/**
* @returns The outputOwners of inputs, one per input
*/
getOutputOwners() {
if (this._outputOwners) {
return [...this._outputOwners];
}
return [];
}
/**
* @params The outputOwners of inputs, one per input
*/
setOutputOwners(owners) {
this._outputOwners = [...owners];
}
/**
* Takes a {@link https://github.com/feross/buffer|Buffer} containing an [[BaseTx]], parses it, populates the class, and returns the length of the BaseTx in bytes.
*
* @param bytes A {@link https://github.com/feross/buffer|Buffer} containing a raw [[BaseTx]]
*
* @returns The length of the raw [[BaseTx]]
*
* @remarks assume not-checksummed
*/
fromBuffer(bytes, offset = 0) {
this.networkID = bintools.copyFrom(bytes, offset, offset + 4);
offset += 4;
this.blockchainID = bintools.copyFrom(bytes, offset, offset + 32);
offset += 32;
this.numouts = bintools.copyFrom(bytes, offset, offset + 4);
offset += 4;
const outcount = this.numouts.readUInt32BE(0);
this.outs = [];
for (let i = 0; i < outcount; i++) {
const xferout = new outputs_1.TransferableOutput();
offset = xferout.fromBuffer(bytes, offset);
this.outs.push(xferout);
}
this.numins = bintools.copyFrom(bytes, offset, offset + 4);
offset += 4;
const incount = this.numins.readUInt32BE(0);
this.ins = [];
for (let i = 0; i < incount; i++) {
const xferin = new inputs_1.TransferableInput();
offset = xferin.fromBuffer(bytes, offset);
this.ins.push(xferin);
}
let memolen = bintools
.copyFrom(bytes, offset, offset + 4)
.readUInt32BE(0);
offset += 4;
this.memo = bintools.copyFrom(bytes, offset, offset + memolen);
offset += memolen;
return offset;
}
/**
* Takes the bytes of an [[UnsignedTx]] and returns an array of [[Credential]]s
*
* @param msg A Buffer for the [[UnsignedTx]]
* @param kc An [[KeyChain]] used in signing
*
* @returns An array of [[Credential]]s
*/
sign(msg, kc) {
const creds = [];
for (let i = 0; i < this.ins.length; i++) {
const cred = (0, credentials_1.SelectCredentialClass)(this.ins[`${i}`].getInput().getCredentialID());
const sigidxs = this.ins[`${i}`].getInput().getSigIdxs();
for (let j = 0; j < sigidxs.length; j++) {
const keypair = kc.getKey(sigidxs[`${j}`].getSource());
const signval = keypair.sign(msg);
const sig = new common_1.Signature();
sig.fromBuffer(signval);
cred.addSignature(sig);
}
creds.push(cred);
}
return creds;
}
clone() {
let newbase = new BaseTx();
newbase.fromBuffer(this.toBuffer());
return newbase;
}
create(...args) {
return new BaseTx(...args);
}
select(id, ...args) {
let newbasetx = (0, tx_1.SelectTxClass)(id, ...args);
return newbasetx;
}
/**
* Class representing a BaseTx which is the foundation for all transactions.
*
* @param networkID Optional networkID, [[DefaultNetworkID]]
* @param blockchainID Optional blockchainID, default Buffer.alloc(32, 16)
* @param outs Optional array of the [[TransferableOutput]]s
* @param ins Optional array of the [[TransferableInput]]s
* @param memo Optional {@link https://github.com/feross/buffer|Buffer} for the memo field
*/
constructor(networkID = constants_2.DefaultNetworkID, blockchainID = buffer_1.Buffer.alloc(32, 16), outs = undefined, ins = undefined, memo = undefined) {
super(networkID, blockchainID, outs, ins, memo);
this._typeName = "BaseTx";
this._typeID = constants_1.PlatformVMConstants.BASETX;
this._outputOwners = undefined;
}
}
exports.BaseTx = BaseTx;
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* @packageDocumentation\n * @module API-PlatformVM-BaseTx\n */\nimport { Buffer } from \"buffer/\"\nimport BinTools from \"../../utils/bintools\"\nimport { PlatformVMConstants } from \"./constants\"\nimport { TransferableOutput } from \"./outputs\"\nimport { TransferableInput } from \"./inputs\"\nimport { SelectCredentialClass } from \"./credentials\"\nimport {\n  SignerKeyChain,\n  SignerKeyPair,\n  StandardBaseTx,\n  Signature,\n  SigIdx,\n  Credential,\n  OutputOwners\n} from \"../../common\"\nimport { DefaultNetworkID } from \"../../utils/constants\"\nimport { SelectTxClass } from \"../platformvm/tx\"\nimport { SerializedEncoding } from \"../../utils/serialization\"\nimport {} from \"caminojs/common\"\n\n/**\n * @ignore\n */\nconst bintools: BinTools = BinTools.getInstance()\n\n/**\n * Class representing a base for all transactions.\n */\nexport class BaseTx extends StandardBaseTx<SignerKeyPair, SignerKeyChain> {\n  protected _typeName = \"BaseTx\"\n  protected _typeID = PlatformVMConstants.BASETX\n  protected _outputOwners: OutputOwners[] = undefined\n\n  deserialize(fields: object, encoding: SerializedEncoding = \"hex\") {\n    super.deserialize(fields, encoding)\n    this.outs = fields[\"outs\"].map((o: TransferableOutput) => {\n      let newOut: TransferableOutput = new TransferableOutput()\n      newOut.deserialize(o, encoding)\n      return newOut\n    })\n    this.ins = fields[\"ins\"].map((i: TransferableInput) => {\n      let newIn: TransferableInput = new TransferableInput()\n      newIn.deserialize(i, encoding)\n      return newIn\n    })\n    this.numouts = Buffer.alloc(4)\n    this.numouts.writeUInt32BE(this.outs.length, 0)\n    this.numins = Buffer.alloc(4)\n    this.numins.writeUInt32BE(this.ins.length, 0)\n  }\n\n  getOuts(): TransferableOutput[] {\n    return this.outs as TransferableOutput[]\n  }\n\n  getIns(): TransferableInput[] {\n    return this.ins as TransferableInput[]\n  }\n\n  getTotalOuts(): TransferableOutput[] {\n    return this.getOuts() as TransferableOutput[]\n  }\n\n  /**\n   * Returns the id of the [[BaseTx]]\n   */\n  getTxType(): number {\n    return PlatformVMConstants.BASETX\n  }\n\n  /**\n   * @returns The outputOwners of inputs, one per input\n   */\n  getOutputOwners(): OutputOwners[] {\n    if (this._outputOwners) {\n      return [...this._outputOwners]\n    }\n    return []\n  }\n\n  /**\n   * @params The outputOwners of inputs, one per input\n   */\n  setOutputOwners(owners: OutputOwners[]) {\n    this._outputOwners = [...owners]\n  }\n\n  /**\n   * Takes a {@link https://github.com/feross/buffer|Buffer} containing an [[BaseTx]], parses it, populates the class, and returns the length of the BaseTx in bytes.\n   *\n   * @param bytes A {@link https://github.com/feross/buffer|Buffer} containing a raw [[BaseTx]]\n   *\n   * @returns The length of the raw [[BaseTx]]\n   *\n   * @remarks assume not-checksummed\n   */\n  fromBuffer(bytes: Buffer, offset: number = 0): number {\n    this.networkID = bintools.copyFrom(bytes, offset, offset + 4)\n    offset += 4\n    this.blockchainID = bintools.copyFrom(bytes, offset, offset + 32)\n    offset += 32\n    this.numouts = bintools.copyFrom(bytes, offset, offset + 4)\n    offset += 4\n    const outcount: number = this.numouts.readUInt32BE(0)\n    this.outs = []\n    for (let i: number = 0; i < outcount; i++) {\n      const xferout: TransferableOutput = new TransferableOutput()\n      offset = xferout.fromBuffer(bytes, offset)\n      this.outs.push(xferout)\n    }\n\n    this.numins = bintools.copyFrom(bytes, offset, offset + 4)\n    offset += 4\n    const incount: number = this.numins.readUInt32BE(0)\n    this.ins = []\n    for (let i: number = 0; i < incount; i++) {\n      const xferin: TransferableInput = new TransferableInput()\n      offset = xferin.fromBuffer(bytes, offset)\n      this.ins.push(xferin)\n    }\n    let memolen: number = bintools\n      .copyFrom(bytes, offset, offset + 4)\n      .readUInt32BE(0)\n    offset += 4\n    this.memo = bintools.copyFrom(bytes, offset, offset + memolen)\n    offset += memolen\n    return offset\n  }\n\n  /**\n   * Takes the bytes of an [[UnsignedTx]] and returns an array of [[Credential]]s\n   *\n   * @param msg A Buffer for the [[UnsignedTx]]\n   * @param kc An [[KeyChain]] used in signing\n   *\n   * @returns An array of [[Credential]]s\n   */\n  sign(msg: Buffer, kc: SignerKeyChain): Credential[] {\n    const creds: Credential[] = []\n    for (let i: number = 0; i < this.ins.length; i++) {\n      const cred: Credential = SelectCredentialClass(\n        this.ins[`${i}`].getInput().getCredentialID()\n      )\n      const sigidxs: SigIdx[] = this.ins[`${i}`].getInput().getSigIdxs()\n      for (let j: number = 0; j < sigidxs.length; j++) {\n        const keypair: SignerKeyPair = kc.getKey(sigidxs[`${j}`].getSource())\n        const signval: Buffer = keypair.sign(msg)\n        const sig: Signature = new Signature()\n        sig.fromBuffer(signval)\n        cred.addSignature(sig)\n      }\n      creds.push(cred)\n    }\n    return creds\n  }\n\n  clone(): this {\n    let newbase: BaseTx = new BaseTx()\n    newbase.fromBuffer(this.toBuffer())\n    return newbase as this\n  }\n\n  create(...args: any[]): this {\n    return new BaseTx(...args) as this\n  }\n\n  select(id: number, ...args: any[]): this {\n    let newbasetx: BaseTx = SelectTxClass(id, ...args)\n    return newbasetx as this\n  }\n\n  /**\n   * Class representing a BaseTx which is the foundation for all transactions.\n   *\n   * @param networkID Optional networkID, [[DefaultNetworkID]]\n   * @param blockchainID Optional blockchainID, default Buffer.alloc(32, 16)\n   * @param outs Optional array of the [[TransferableOutput]]s\n   * @param ins Optional array of the [[TransferableInput]]s\n   * @param memo Optional {@link https://github.com/feross/buffer|Buffer} for the memo field\n   */\n  constructor(\n    networkID: number = DefaultNetworkID,\n    blockchainID: Buffer = Buffer.alloc(32, 16),\n    outs: TransferableOutput[] = undefined,\n    ins: TransferableInput[] = undefined,\n    memo: Buffer = undefined\n  ) {\n    super(networkID, blockchainID, outs, ins, memo)\n  }\n}\n"]}