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feat: initial fake facade implementation #463

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feat: initial fake facade implementation #463

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4519a46
feat: initial fake facade implementation
andreabadesso Feb 1, 2023
f102e81
feat: implemented missing methods and added mockable setters
andreabadesso Feb 1, 2023
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304 changes: 304 additions & 0 deletions src/fakefacade/index.ts
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Original file line number Diff line number Diff line change
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/**
* Copyright (c) Hathor Labs and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/

import { EventEmitter } from 'events';
import {
IHathorWallet,
OutputRequestObj,
InputRequestObj,
IStopWalletParams,
DelegateAuthorityOptions,
DestroyAuthorityOptions,
WsTransaction,
AddressInfoObject,
GetBalanceObject,
GetHistoryObject,
ConnectionState,
} from '../wallet/types';
import CreateTokenTransaction from '../models/create_token_transaction';
import Transaction from '../models/transaction';

class FakeHathorWallet extends EventEmitter implements IHathorWallet {
private state = 'Not started';

private newAddresses: AddressInfoObject[] = [];

private tokenBalances: {[tokenId: string]: GetBalanceObject} = {};

private tokenHistory: {[tokenId: string]: GetHistoryObject[]} = {};

private tokens: string[] = [];

public conn: EventEmitter = new EventEmitter();

isReady() {
return this.state === 'Ready';
}

setAddresses(addresses: AddressInfoObject[]) {
this.newAddresses = addresses;
}

setTokens(tokens: string[]) {
this.tokens = tokens;
}

setTokenHistory(tokenId: string, history: GetHistoryObject[]) {
this.tokenHistory[tokenId] = history;
}

setTokenBalance(tokenId: string, balance: GetBalanceObject) {
this.tokenBalances[tokenId] = balance;
}

setState(state: string) {
this.state = state;
this.emit('state', state);
}

async start() {
await new Promise(resolve => {
setTimeout(resolve, 1500);
});
this.setState('Ready');

this.conn.emit('state', ConnectionState.CONNECTED);
return Promise.resolve();
}

async* getAllAddresses() {
for (const address of this.newAddresses) {
yield {
address: address.address,
index: address.index,
transactions: 0,
};
}
}

getBalance(token: string | null) {
return Promise.resolve([this.tokenBalances[token || '00']]);
}

getTokens() {
return Promise.resolve(this.tokens);
}

getTxHistory(options: { token_id?: string, count?: number, skip?: number }) {
const tokenId = options.token_id || '00';
const skip = options.skip;
const count = options.count;

return Promise.resolve(this.tokenHistory[tokenId].slice(skip, count));
}

sendManyOutputsTransaction(
outputs: OutputRequestObj[],
options: {
inputs?: InputRequestObj[],
changeAddress?: string,
}
) {
return Promise.resolve(new Transaction([], []));
}

sendTransaction(
address: string,
value: number,
options: {
token?: string,
changeAddress?: string,
}
) {
return Promise.resolve(new Transaction([], []));
}

stop(params?: IStopWalletParams) {}

getAddressAtIndex(index: number) {
return '';
}

getCurrentAddress() {
return {
address: '',
index: 0,
addressPath: '',
info: '',
};
}

async getNextAddress() {
return Promise.resolve(this.newAddresses[Math.floor(Math.random() * this.newAddresses.length)]);
}

prepareCreateNewToken(name: string, symbol: string, amount: number, options) {
return Promise.resolve(new CreateTokenTransaction('00', 'HTR', [], []));
}

createNewToken(name: string, symbol: string, amount: number, options) {
return Promise.resolve(new Transaction([], []));
}

createNFT(name: string, symbol: string, amount: number, data: string, options) {
return Promise.resolve(new Transaction([], []));
}

prepareMintTokensData(token: string, amount: number, options) {
return Promise.resolve(new Transaction([], []));
}

mintTokens(token: string, amount: number, options) {
return Promise.resolve(new Transaction([], []));
}

prepareMeltTokensData(token: string, amount: number, options) {
return Promise.resolve(new Transaction([], []));
}

meltTokens(token: string, amount: number, options) {
return Promise.resolve(new Transaction([], []));
}

prepareDelegateAuthorityData(
token: string,
type: string,
address: string,
options: DelegateAuthorityOptions,
) {
return Promise.resolve(new Transaction([], []));
}

delegateAuthority(
token: string,
type: string,
address: string,
options: DelegateAuthorityOptions,
) {
return Promise.resolve(new Transaction([], []));
}

prepareDestroyAuthorityData(
token: string,
type: string,
count: number,
options: DestroyAuthorityOptions,
) {
return Promise.resolve(new Transaction([], []));
}

destroyAuthority(
token: string,
type: string,
count: number,
options: DestroyAuthorityOptions,
) {
return Promise.resolve(new Transaction([], []));
}

getFullHistory() {
return [];
}

getTxBalance(tx: WsTransaction, optionsParams) {
return Promise.resolve({});
}

onConnectionChangedState(newState: ConnectionState) {

}

getTokenDetails(tokenId: string) {
return Promise.resolve({
tokenInfo: {
id: tokenId,
name: '',
symbol: '',
},
totalSupply: 0,
totalTransactions: 0,
authorities: {
mint: false,
melt: false,
}
});
}

getVersionData() {
return Promise.resolve({
timestamp: 0,
version: '',
network: 'mainnet',
minWeight: 0,
minTxWeight: 0,
minTxWeightCoefficient: 0,
minTxWeightK: 0,
tokenDepositPercentage: 0,
rewardSpendMinBlocks: 0,
maxNumberInputs: 0,
maxNumberOutputs: 0,
});
}

checkAddressesMine(addresses: string[]) {
return Promise.resolve({});
}

getFullTxById(
txId: string,
) {
return Promise.resolve({
tx: {
hash: '',
nonce: '',
timestamp: 0,
version: 0,
weight: 0,
parents: [],
inputs: [],
outputs: [],
tokens: [],
raw: '',
},
meta: {
hash: '',
spent_outputs: [],
received_by: [],
children: [],
conflict_with: [],
voided_by: [],
twins: [],
accumulated_weight: 0,
score: 0,
height: 0,
},
success: true,
});
}

getTxConfirmationData(
txId: string,
) {
return Promise.resolve({
success: true,
accumulated_weight: 0,
accumulated_bigger: true,
stop_value: 0,
confirmation_level: 0,
});
}

graphvizNeighborsQuery(
txId: string,
graphType: string,
maxLevel: number,
) {
return Promise.resolve('');
}
}

export default FakeHathorWallet;