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1"use strict";
2Object.defineProperty(exports, "__esModule", { value: true });
3const client_common_1 = require("@neo-one/client-common");
4const client_full_common_1 = require("@neo-one/client-full-common");
5const errors_1 = require("../errors");
6const utils_1 = require("../utils");
7const TransactionBase_1 = require("./TransactionBase");
8const TransactionType_1 = require("./TransactionType");
9class IssueTransaction extends TransactionBase_1.TransactionBase(client_full_common_1.IssueTransactionModel) {
10 constructor(add) {
11 super(add);
12 this.sizeExclusive = utils_1.utils.lazy(() => client_common_1.IOHelper.sizeOfUInt8);
13 const getScriptHashesForVerifying = super.getScriptHashesForVerifying.bind(this);
14 this.issueGetScriptHashesForVerifyingInternal = utils_1.utils.lazyAsync(async (options) => {
15 const { getOutput, getAsset } = options;
16 const [hashes, issuerHashes] = await Promise.all([
17 getScriptHashesForVerifying(options),
18 this.getTransactionResults({ getOutput }).then(async (results) => Promise.all(Object.entries(results)
19 .filter(([_, value]) => value.lt(utils_1.utils.ZERO))
20 .map(async ([assetHash, _]) => {
21 const asset = await getAsset({
22 hash: client_common_1.common.hexToUInt256(assetHash),
23 });
24 return client_common_1.common.uInt160ToHex(asset.issuer);
25 }))),
26 ]);
27 return new Set([...hashes, ...issuerHashes]);
28 });
29 }
30 static deserializeWireBase(options) {
31 const { type, version } = super.deserializeTransactionBaseStartWireBase(options);
32 if (type !== TransactionType_1.TransactionType.Issue) {
33 throw new client_common_1.InvalidFormatError(`Expected transaction type to be ${TransactionType_1.TransactionType.Issue}. Received: ${type}`);
34 }
35 const { attributes, inputs, outputs, scripts } = super.deserializeTransactionBaseEndWireBase(options);
36 return new this({
37 version,
38 attributes,
39 inputs,
40 outputs,
41 scripts,
42 });
43 }
44 async serializeJSON(context) {
45 const transactionBaseJSON = await super.serializeTransactionBaseJSON(context);
46 return Object.assign({}, transactionBaseJSON, { type: 'IssueTransaction' });
47 }
48 getSystemFee(context) {
49 if (this.version >= 1) {
50 return utils_1.utils.ZERO;
51 }
52 const { governingToken, utilityToken } = context;
53 if (this.outputs.every((output) => client_common_1.common.uInt256Equal(output.asset, governingToken.hash) ||
54 client_common_1.common.uInt256Equal(output.asset, utilityToken.hash))) {
55 return utils_1.utils.ZERO;
56 }
57 return super.getSystemFee(context);
58 }
59 async getScriptHashesForVerifying(options) {
60 return this.issueGetScriptHashesForVerifyingInternal(options);
61 }
62 async verify(options) {
63 const [results] = await Promise.all([super.verify(options), this.verifyInternal(options)]);
64 return results;
65 }
66 async verifyInternal(options) {
67 const { getOutput, getAsset, memPool = [] } = options;
68 const results = await this.getTransactionResults({ getOutput });
69 await Promise.all(Object.entries(results).map(async ([assetHex, value]) => {
70 const hash = client_common_1.common.hexToUInt256(assetHex);
71 const asset = await getAsset({ hash });
72 if (asset.amount.lt(utils_1.utils.ZERO)) {
73 return;
74 }
75 const issued = asset.available.add(memPool
76 .filter((transaction) => transaction !== this)
77 .reduce((acc, transaction) => transaction.outputs
78 .filter((output) => client_common_1.common.uInt256Equal(hash, output.asset))
79 .reduce((innerAcc, output) => innerAcc.add(output.value), acc), utils_1.utils.ZERO));
80 if (asset.amount.sub(issued).lt(value.neg())) {
81 throw new errors_1.VerifyError('Invalid issue amount');
82 }
83 }));
84 }
85}
86exports.IssueTransaction = IssueTransaction;
87
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{ common, InvalidFormatError, IOHelper, IssueTransactionJSON, UInt160Hex } from '@neo-one/client-common';\nimport { IssueTransactionModel } from '@neo-one/client-full-common';\nimport { Constructor } from '@neo-one/utils';\nimport { BN } from 'bn.js';\nimport { VerifyError } from '../errors';\nimport { DeserializeWireBaseOptions, SerializeJSONContext } from '../Serializable';\nimport { utils } from '../utils';\nimport { VerifyScriptResult } from '../vm';\nimport { Witness } from '../Witness';\nimport { Attribute } from './attribute';\nimport { Input } from './Input';\nimport { Output } from './Output';\nimport {\n  FeeContext,\n  TransactionBase,\n  TransactionBaseAdd,\n  TransactionGetScriptHashesForVerifyingOptions,\n  TransactionVerifyOptions,\n} from './TransactionBase';\nimport { TransactionType } from './TransactionType';\n\n// tslint:disable-next-line\nexport interface IssueTransactionAdd extends TransactionBaseAdd {}\n\nexport class IssueTransaction extends TransactionBase<\n  TransactionType.Issue,\n  IssueTransactionJSON,\n  Constructor<IssueTransactionModel<Attribute, Input, Output, Witness>>\n>(IssueTransactionModel) {\n  public static deserializeWireBase(options: DeserializeWireBaseOptions): IssueTransaction {\n    const { type, version } = super.deserializeTransactionBaseStartWireBase(options);\n\n    if (type !== TransactionType.Issue) {\n      throw new InvalidFormatError(`Expected transaction type to be ${TransactionType.Issue}. Received: ${type}`);\n    }\n\n    const { attributes, inputs, outputs, scripts } = super.deserializeTransactionBaseEndWireBase(options);\n\n    return new this({\n      version,\n      attributes,\n      inputs,\n      outputs,\n      scripts,\n    });\n  }\n\n  protected readonly sizeExclusive: () => number = utils.lazy(() => IOHelper.sizeOfUInt8);\n  private readonly issueGetScriptHashesForVerifyingInternal: (\n    options: TransactionGetScriptHashesForVerifyingOptions,\n  ) => Promise<Set<UInt160Hex>>;\n\n  public constructor(add: IssueTransactionAdd) {\n    super(add);\n\n    const getScriptHashesForVerifying = super.getScriptHashesForVerifying.bind(this);\n    this.issueGetScriptHashesForVerifyingInternal = utils.lazyAsync(\n      async (options: TransactionGetScriptHashesForVerifyingOptions) => {\n        const { getOutput, getAsset } = options;\n        const [hashes, issuerHashes] = await Promise.all([\n          getScriptHashesForVerifying(options),\n          this.getTransactionResults({ getOutput }).then(async (results) =>\n            Promise.all(\n              Object.entries(results)\n                // tslint:disable-next-line no-unused\n                .filter(([_, value]) => value.lt(utils.ZERO))\n                // tslint:disable-next-line no-unused\n                .map(async ([assetHash, _]) => {\n                  const asset = await getAsset({\n                    hash: common.hexToUInt256(assetHash),\n                  });\n\n                  return common.uInt160ToHex(asset.issuer);\n                }),\n            ),\n          ),\n        ]);\n\n        return new Set([...hashes, ...issuerHashes]);\n      },\n    );\n  }\n\n  public async serializeJSON(context: SerializeJSONContext): Promise<IssueTransactionJSON> {\n    const transactionBaseJSON = await super.serializeTransactionBaseJSON(context);\n\n    return {\n      ...transactionBaseJSON,\n      type: 'IssueTransaction',\n    };\n  }\n\n  public getSystemFee(context: FeeContext): BN {\n    if (this.version >= 1) {\n      return utils.ZERO;\n    }\n\n    const { governingToken, utilityToken } = context;\n    if (\n      this.outputs.every(\n        (output) =>\n          common.uInt256Equal(output.asset, governingToken.hash) ||\n          common.uInt256Equal(output.asset, utilityToken.hash),\n      )\n    ) {\n      return utils.ZERO;\n    }\n\n    return super.getSystemFee(context);\n  }\n\n  public async getScriptHashesForVerifying(\n    options: TransactionGetScriptHashesForVerifyingOptions,\n  ): Promise<Set<UInt160Hex>> {\n    return this.issueGetScriptHashesForVerifyingInternal(options);\n  }\n\n  public async verify(options: TransactionVerifyOptions): Promise<readonly VerifyScriptResult[]> {\n    const [results] = await Promise.all([super.verify(options), this.verifyInternal(options)]);\n\n    return results;\n  }\n\n  private async verifyInternal(options: TransactionVerifyOptions): Promise<void> {\n    const { getOutput, getAsset, memPool = [] } = options;\n    const results = await this.getTransactionResults({ getOutput });\n    await Promise.all(\n      Object.entries(results).map(async ([assetHex, value]) => {\n        const hash = common.hexToUInt256(assetHex);\n        const asset = await getAsset({ hash });\n        if (asset.amount.lt(utils.ZERO)) {\n          return;\n        }\n\n        const issued = asset.available.add(\n          memPool\n            .filter((transaction) => transaction !== this)\n            .reduce(\n              (acc, transaction) =>\n                transaction.outputs\n                  .filter((output) => common.uInt256Equal(hash, output.asset))\n                  .reduce((innerAcc, output) => innerAcc.add(output.value), acc),\n\n              utils.ZERO,\n            ),\n        );\n\n        if (asset.amount.sub(issued).lt(value.neg())) {\n          throw new VerifyError('Invalid issue amount');\n        }\n      }),\n    );\n  }\n}\n"]}