ethers.js/packages/cli/lib.esm/cli.js

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"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
import fs from "fs";
import { basename } from "path";
import { ethers } from "ethers";
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import * as scrypt from "scrypt-js";
import { getChoice, getPassword, getProgressBar } from "./prompt";
import { version } from "./_version";
const logger = new ethers.utils.Logger(version);
class UsageError extends Error {
}
/////////////////////////////
// Signer
/*
const signerStates = new WeakMap();
class SignerState {
signerFunc: () => Promise<ethers.Signer>;
signer: ethers.Signer;
alwaysAllow: boolean;
static get(wrapper: WrappedSigner): SignerState {
return signerStates.get(wrapper);
}
}
*/
const signerFuncs = new WeakMap();
const signers = new WeakMap();
const alwaysAllow = new WeakMap();
// Gets a signer or lazily request it if needed, possibly asking for a password
// to decrypt a JSON wallet
function getSigner(wrapper) {
return __awaiter(this, void 0, void 0, function* () {
if (!signers.has(wrapper)) {
let signerFunc = signerFuncs.get(wrapper);
let signer = yield signerFunc();
signers.set(wrapper, signer);
}
return signers.get(wrapper);
});
}
// Throws an error if the user does not allow the operation. If "y" is
// selected, all future operations of that type are automatically accepted
function isAllowed(wrapper, message) {
return __awaiter(this, void 0, void 0, function* () {
if (wrapper.plugin.yes) {
console.log(message + " (--yes => \"y\")");
return true;
}
let allowed = alwaysAllow.get(wrapper) || {};
if (allowed[message]) {
console.log(message + " (previous (a)ll => \"y\")");
return true;
}
try {
let allow = yield getChoice(message, "yna", "n");
if (allow === "a") {
allowed[message] = true;
alwaysAllow.set(wrapper, allowed);
}
else if (allow === "n") {
throw new Error("Cancelled.");
}
}
catch (error) {
throw new Error("Cancelled.");
}
return true;
});
}
function repeat(chr, length) {
let result = chr;
while (result.length < length) {
result += result;
}
return result.substring(0, length);
}
// @TODO: Make dump recursable for objects
// Dumps key/value pairs in a nice format
export function dump(header, info) {
console.log(header);
let maxLength = Object.keys(info).reduce((maxLength, i) => Math.max(maxLength, i.length), 0);
for (let key in info) {
let value = info[key];
if (Array.isArray(value)) {
console.log(" " + key + ":");
value.forEach((value) => {
console.log(" " + value);
});
}
else {
console.log(" " + key + ":" + repeat(" ", maxLength - key.length) + " " + info[key]);
}
}
}
// This wraps our signers to prevent the private keys and mnemonics from being exposed.
// It is also in charge of user-interaction, requesting permission before signing or
// sending.
class WrappedSigner extends ethers.Signer {
constructor(addressPromise, signerFunc, plugin) {
super();
signerFuncs.set(this, signerFunc);
ethers.utils.defineReadOnly(this, "addressPromise", addressPromise);
ethers.utils.defineReadOnly(this, "provider", plugin.provider);
ethers.utils.defineReadOnly(this, "plugin", plugin);
}
connect(provider) {
throw new Error("unsupported for now...");
//return new WrappedSigner(this.addressPromise, () => getSigner(this).then((s) => s.connect(provider)), provider);
}
getAddress() {
return __awaiter(this, void 0, void 0, function* () {
return this.addressPromise;
});
}
signMessage(message) {
return __awaiter(this, void 0, void 0, function* () {
let signer = yield getSigner(this);
let info = {};
if (typeof (message) === "string") {
info["Message"] = JSON.stringify(message);
info["Message (hex)"] = ethers.utils.hexlify(ethers.utils.toUtf8Bytes(message));
}
else {
let bytes = ethers.utils.arrayify(message);
for (let i = 0; i < bytes.length; i++) {
let c = bytes[i];
if (c < 32 || c > 126) {
bytes = null;
break;
}
}
if (bytes) {
info["Message"] = ethers.utils.toUtf8String(bytes);
}
info["Message (hex)"] = ethers.utils.hexlify(message);
}
dump("Message:", info);
yield isAllowed(this, "Sign Message?");
let result = yield signer.signMessage(message);
let signature = ethers.utils.splitSignature(result);
dump("Signature", {
Flat: result,
r: signature.r,
s: signature.s,
vs: signature._vs,
v: signature.v,
recid: signature.recoveryParam,
});
return result;
});
}
populateTransaction(transactionRequest) {
return __awaiter(this, void 0, void 0, function* () {
transactionRequest = ethers.utils.shallowCopy(transactionRequest);
if (this.plugin.gasPrice != null) {
transactionRequest.gasPrice = this.plugin.gasPrice;
}
if (this.plugin.gasLimit != null) {
transactionRequest.gasLimit = this.plugin.gasLimit;
}
if (this.plugin.nonce != null) {
transactionRequest.nonce = this.plugin.nonce;
}
let signer = yield getSigner(this);
return signer.populateTransaction(transactionRequest);
});
}
signTransaction(transactionRequest) {
return __awaiter(this, void 0, void 0, function* () {
let signer = yield getSigner(this);
let network = yield this.provider.getNetwork();
let tx = yield ethers.utils.resolveProperties(transactionRequest);
let info = {};
if (tx.to != null) {
info["To"] = tx.to;
}
if (tx.from != null) {
info["From"] = tx.from;
}
info["Value"] = (ethers.utils.formatEther(tx.value || 0) + " ether");
if (tx.nonce != null) {
info["Nonce"] = tx.nonce;
}
info["Data"] = tx.data;
info["Gas Limit"] = ethers.BigNumber.from(tx.gasLimit || 0).toString();
info["Gas Price"] = (ethers.utils.formatUnits(tx.gasPrice || 0, "gwei") + " gwei"),
info["Chain ID"] = (tx.chainId || 0);
info["Network"] = network.name;
dump("Transaction:", info);
yield isAllowed(this, "Sign Transaction?");
let result = yield signer.signTransaction(transactionRequest);
let signature = ethers.utils.splitSignature(result);
dump("Signature:", {
Signature: result,
r: signature.r,
s: signature.s,
vs: signature._vs,
v: signature.v,
recid: signature.recoveryParam,
});
return result;
});
}
sendTransaction(transactionRequest) {
return __awaiter(this, void 0, void 0, function* () {
let signer = yield getSigner(this);
let network = yield this.provider.getNetwork();
let tx = yield this.populateTransaction(transactionRequest);
tx = yield ethers.utils.resolveProperties(tx);
let info = {};
if (tx.to != null) {
info["To"] = tx.to;
}
if (tx.from != null) {
info["From"] = tx.from;
}
info["Value"] = (ethers.utils.formatEther(tx.value || 0) + " ether");
if (tx.nonce != null) {
info["Nonce"] = tx.nonce;
}
info["Data"] = tx.data;
info["Gas Limit"] = ethers.BigNumber.from(tx.gasLimit || 0).toString();
info["Gas Price"] = (ethers.utils.formatUnits(tx.gasPrice || 0, "gwei") + " gwei"),
info["Chain ID"] = (tx.chainId || 0);
info["Network"] = network.name;
dump("Transaction:", info);
yield isAllowed(this, "Send Transaction?");
let response = yield signer.sendTransaction(tx);
dump("Response:", {
"Hash": response.hash
});
if (this.plugin.wait) {
try {
let receipt = yield response.wait();
dump("Success:", {
"Block Number": receipt.blockNumber,
"Block Hash": receipt.blockHash,
"Gas Used": ethers.utils.commify(receipt.gasUsed.toString()),
"Fee": (ethers.utils.formatEther(receipt.gasUsed.mul(tx.gasPrice)) + " ether")
});
}
catch (error) {
dump("Failed:", {
"Error": error.message
});
}
}
return response;
});
}
unlock() {
return __awaiter(this, void 0, void 0, function* () {
yield getSigner(this);
});
}
}
class OfflineProvider extends ethers.providers.BaseProvider {
perform(method, params) {
if (method === "sendTransaction") {
console.log("Signed Transaction:");
console.log(params.signedTransaction);
return Promise.resolve(ethers.utils.keccak256(params.signedTransaction));
}
return super.perform(method, params);
}
}
/////////////////////////////
// Argument Parser
export class ArgParser {
constructor(args) {
ethers.utils.defineReadOnly(this, "_args", args);
ethers.utils.defineReadOnly(this, "_consumed", args.map((a) => false));
}
_finalizeArgs() {
let args = [];
for (let i = 0; i < this._args.length; i++) {
if (this._consumed[i]) {
continue;
}
let arg = this._args[i];
// Escaped args, add the rest as args
if (arg === "--") {
for (let j = i + 1; j < this._args.length; j++) {
args.push(this._args[j]);
}
break;
}
if (arg.substring(0, 2) === "--") {
throw new UsageError(`unexpected option ${arg}`);
}
args.push(arg);
}
return args;
}
_checkCommandIndex() {
for (let i = 0; i < this._args.length; i++) {
if (this._consumed[i]) {
continue;
}
return i;
}
return -1;
}
consumeFlag(name) {
let count = 0;
for (let i = 0; i < this._args.length; i++) {
let arg = this._args[i];
if (arg === "--") {
break;
}
if (arg === ("--" + name)) {
count++;
this._consumed[i] = true;
}
}
if (count > 1) {
throw new UsageError("expected at most one --${name}");
}
return (count === 1);
}
consumeMultiOptions(names) {
let result = [];
if (typeof (names) === "string") {
names = [names];
}
for (let i = 0; i < this._args.length; i++) {
let arg = this._args[i];
if (arg === "--") {
break;
}
if (arg.substring(0, 2) === "--") {
let name = arg.substring(2);
let index = names.indexOf(name);
if (index < 0) {
continue;
}
if (this._args.length === i) {
throw new UsageError("missing argument for --${name}");
}
this._consumed[i] = true;
result.push({ name: name, value: this._args[++i] });
this._consumed[i] = true;
}
}
return result;
}
consumeOptions(name) {
return this.consumeMultiOptions([name]).map((o) => o.value);
}
consumeOption(name) {
let options = this.consumeOptions(name);
if (options.length > 1) {
throw new UsageError(`expected at most one --${name}`);
}
return (options.length ? options[0] : null);
}
}
// Accepts:
// - "-" which indicates to read from the terminal using prompt (which can then be any of the below)
// - JSON Wallet filename (which will require a password to unlock)
// - raw private key
// - mnemonic
function loadAccount(arg, plugin, preventFile) {
return __awaiter(this, void 0, void 0, function* () {
// Secure entry; use prompt with mask
if (arg === "-") {
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const content = yield getPassword("Private Key / Mnemonic:");
return loadAccount(content, plugin, true);
}
// Raw private key
if (ethers.utils.isHexString(arg, 32)) {
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const signer = new ethers.Wallet(arg, plugin.provider);
return Promise.resolve(new WrappedSigner(signer.getAddress(), () => Promise.resolve(signer), plugin));
}
// Mnemonic
if (ethers.utils.isValidMnemonic(arg)) {
const mnemonic = arg;
let signerPromise = null;
if (plugin.mnemonicPassword) {
signerPromise = getPassword("Password (mnemonic): ").then((password) => {
let node = ethers.utils.HDNode.fromMnemonic(mnemonic, password).derivePath(ethers.utils.defaultPath);
return new ethers.Wallet(node.privateKey, plugin.provider);
});
}
else if (plugin._xxxMnemonicPasswordHard) {
signerPromise = getPassword("Password (mnemonic; experimental - hard): ").then((password) => {
let passwordBytes = ethers.utils.toUtf8Bytes(password, ethers.utils.UnicodeNormalizationForm.NFKC);
let saltBytes = ethers.utils.arrayify(ethers.utils.HDNode.fromMnemonic(mnemonic).privateKey);
let progressBar = getProgressBar("Decrypting");
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return scrypt.scrypt(passwordBytes, saltBytes, (1 << 20), 8, 1, 32, progressBar).then((key) => {
const derivedPassword = ethers.utils.hexlify(key).substring(2);
const node = ethers.utils.HDNode.fromMnemonic(mnemonic, derivedPassword).derivePath(ethers.utils.defaultPath);
return new ethers.Wallet(node.privateKey, plugin.provider);
});
});
}
else {
signerPromise = Promise.resolve(ethers.Wallet.fromMnemonic(arg).connect(plugin.provider));
}
return Promise.resolve(new WrappedSigner(signerPromise.then((wallet) => wallet.getAddress()), () => signerPromise, plugin));
}
// Check for a JSON wallet
try {
let content = fs.readFileSync(arg).toString();
let address = ethers.utils.getJsonWalletAddress(content);
if (address) {
return Promise.resolve(new WrappedSigner(Promise.resolve(address), () => __awaiter(this, void 0, void 0, function* () {
let password = yield getPassword(`Password (${arg}): `);
let progressBar = getProgressBar("Decrypting");
return ethers.Wallet.fromEncryptedJson(content, password, progressBar).then((wallet) => {
return wallet.connect(plugin.provider);
});
}), plugin));
}
else {
return loadAccount(content.trim(), plugin, true);
}
}
catch (error) {
if (error.message === "cancelled") {
throw new Error("Cancelled.");
}
else if (error.message === "wrong password") {
throw new Error("Incorrect password.");
}
}
throw new UsageError("unknown account option - [REDACTED]");
return null;
});
}
export class Plugin {
constructor() {
}
static getHelp() {
return null;
}
static getOptionHelp() {
return [];
}
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prepareOptions(argParser, verifyOnly) {
return __awaiter(this, void 0, void 0, function* () {
let runners = [];
this.wait = argParser.consumeFlag("wait");
this.yes = argParser.consumeFlag("yes");
/////////////////////
// Provider
let network = (argParser.consumeOption("network") || "homestead");
let providers = [];
let rpc = [];
argParser.consumeOptions("rpc").forEach((url) => {
let provider = new ethers.providers.JsonRpcProvider(url);
providers.push(provider);
rpc.push(provider);
});
if (argParser.consumeFlag("alchemy")) {
providers.push(new ethers.providers.AlchemyProvider(network));
}
if (argParser.consumeFlag("etherscan")) {
providers.push(new ethers.providers.EtherscanProvider(network));
}
if (argParser.consumeFlag("infura")) {
providers.push(new ethers.providers.InfuraProvider(network));
}
if (argParser.consumeFlag("nodesmith")) {
providers.push(new ethers.providers.NodesmithProvider(network));
}
if (argParser.consumeFlag("offline")) {
providers.push(new OfflineProvider(network));
}
if (providers.length === 1) {
ethers.utils.defineReadOnly(this, "provider", providers[0]);
}
else if (providers.length) {
ethers.utils.defineReadOnly(this, "provider", new ethers.providers.FallbackProvider(providers));
}
else {
ethers.utils.defineReadOnly(this, "provider", ethers.getDefaultProvider(network));
}
/////////////////////
// Accounts
ethers.utils.defineReadOnly(this, "mnemonicPassword", argParser.consumeFlag("mnemonic-password"));
ethers.utils.defineReadOnly(this, "_xxxMnemonicPasswordHard", argParser.consumeFlag("xxx-mnemonic-password"));
let accounts = [];
let accountOptions = argParser.consumeMultiOptions(["account", "account-rpc", "account-void"]);
for (let i = 0; i < accountOptions.length; i++) {
let account = accountOptions[i];
switch (account.name) {
case "account":
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// Verifying does not need to ask for passwords, etc.
if (verifyOnly) {
break;
}
let wrappedSigner = yield loadAccount(account.value, this);
accounts.push(wrappedSigner);
break;
case "account-rpc":
if (rpc.length !== 1) {
this.throwUsageError("--account-rpc requires exactly one JSON-RPC provider");
}
try {
let signer = null;
if (account.value.match(/^[0-9]+$/)) {
signer = rpc[0].getSigner(parseInt(account.value));
}
else {
signer = rpc[0].getSigner(ethers.utils.getAddress(account.value));
}
accounts.push(new WrappedSigner(signer.getAddress(), () => Promise.resolve(signer), this));
}
catch (error) {
this.throwUsageError("invalid --account-rpc - " + account.value);
}
break;
case "account-void": {
let addressPromise = this.provider.resolveName(account.value);
let signerPromise = addressPromise.then((addr) => {
return new ethers.VoidSigner(addr, this.provider);
});
accounts.push(new WrappedSigner(addressPromise, () => signerPromise, this));
break;
}
}
}
ethers.utils.defineReadOnly(this, "accounts", Object.freeze(accounts));
/////////////////////
// Transaction Options
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const gasPrice = argParser.consumeOption("gas-price");
if (gasPrice) {
ethers.utils.defineReadOnly(this, "gasPrice", ethers.utils.parseUnits(gasPrice, "gwei"));
}
else {
ethers.utils.defineReadOnly(this, "gasPrice", null);
}
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const gasLimit = argParser.consumeOption("gas-limit");
if (gasLimit) {
ethers.utils.defineReadOnly(this, "gasLimit", ethers.BigNumber.from(gasLimit));
}
else {
ethers.utils.defineReadOnly(this, "gasLimit", null);
}
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const nonce = argParser.consumeOption("nonce");
if (nonce) {
this.nonce = ethers.BigNumber.from(nonce).toNumber();
}
// Now wait for all asynchronous options to load
runners.push(this.provider.getNetwork().then((network) => {
ethers.utils.defineReadOnly(this, "network", Object.freeze(network));
}, (error) => {
ethers.utils.defineReadOnly(this, "network", Object.freeze({
chainId: 0,
name: "no-network"
}));
}));
try {
yield Promise.all(runners);
}
catch (error) {
this.throwError(error);
}
});
}
prepareArgs(args) {
return Promise.resolve(null);
}
run() {
return null;
}
getAddress(addressOrName, message, allowZero) {
try {
return Promise.resolve(ethers.utils.getAddress(addressOrName));
}
catch (error) { }
return this.provider.resolveName(addressOrName).then((address) => {
if (address == null) {
this.throwError("ENS name not configured - " + addressOrName);
}
if (address === ethers.constants.AddressZero && !allowZero) {
this.throwError(message || "cannot use the zero address");
}
return address;
});
}
// Dumps formatted data
dump(header, info) {
dump(header, info);
}
// Throwing a UsageError causes the --help to be shown above
// the error.message
throwUsageError(message) {
throw new UsageError(message);
}
// Shows error.message
throwError(message) {
throw new Error(message);
}
}
class CheckPlugin extends Plugin {
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prepareOptions(argParser, verifyOnly) {
return super.prepareOptions(argParser, true);
}
}
export class CLI {
constructor(defaultCommand, options) {
ethers.utils.defineReadOnly(this, "options", {
account: true,
provider: true,
transaction: true,
version: version.split("/").pop(),
});
if (options) {
["account", "provider", "transaction"].forEach((key) => {
if (options[key] == null) {
return;
}
(this.options)[key] = !!(options[key]);
});
["version"].forEach((key) => {
if (options[key] == null) {
return;
}
(this.options)[key] = options[key];
});
}
Object.freeze(this.options);
ethers.utils.defineReadOnly(this, "defaultCommand", defaultCommand || null);
ethers.utils.defineReadOnly(this, "plugins", {});
}
static getAppName() {
try {
return basename(process.mainModule.filename).split(".")[0];
}
catch (error) { }
return "ethers";
}
// @TODO: Better way to specify default; i.e. may not have args
addPlugin(command, plugin) {
if (this.standAlone) {
logger.throwError("only setPlugin or addPlugin may be used at once", ethers.errors.UNSUPPORTED_OPERATION, {
operation: "addPlugin"
});
}
else if (this.plugins[command]) {
logger.throwError("command already exists", ethers.errors.UNSUPPORTED_OPERATION, {
operation: "addPlugin",
command: command
});
}
ethers.utils.defineReadOnly(this.plugins, command, plugin);
}
setPlugin(plugin) {
if (Object.keys(this.plugins).length !== 0) {
logger.throwError("only setPlugin or addPlugin may be used at once", ethers.errors.UNSUPPORTED_OPERATION, {
operation: "setPlugin"
});
}
if (this.standAlone) {
logger.throwError("cannot setPlugin more than once", ethers.errors.UNSUPPORTED_OPERATION, {
operation: "setPlugin"
});
}
ethers.utils.defineReadOnly(this, "standAlone", plugin);
}
showUsage(message, status) {
// Limit: | |
console.log("Usage:");
if (this.standAlone) {
let help = ethers.utils.getStatic(this.standAlone, "getHelp")();
console.log(` ${CLI.getAppName()} ${help.name} [ OPTIONS ]`);
console.log("");
let lines = [];
let optionHelp = ethers.utils.getStatic(this.standAlone, "getOptionHelp")();
optionHelp.forEach((help) => {
lines.push(" " + help.name + repeat(" ", 28 - help.name.length) + help.help);
});
if (lines.length) {
console.log("OPTIONS");
lines.forEach((line) => {
console.log(line);
});
console.log("");
}
}
else {
if (this.defaultCommand) {
console.log(` ${CLI.getAppName()} [ COMMAND ] [ ARGS ] [ OPTIONS ]`);
console.log("");
}
else {
console.log(` ${CLI.getAppName()} COMMAND [ ARGS ] [ OPTIONS ]`);
console.log("");
}
let lines = [];
for (let cmd in this.plugins) {
let plugin = this.plugins[cmd];
let help = ethers.utils.getStatic(plugin, "getHelp")();
if (help == null) {
continue;
}
let helpLine = " " + help.name;
if (helpLine.length > 28) {
lines.push(helpLine);
lines.push(repeat(" ", 30) + help.help);
}
else {
helpLine += repeat(" ", 30 - helpLine.length);
lines.push(helpLine + help.help);
}
let optionHelp = ethers.utils.getStatic(plugin, "getOptionHelp")();
optionHelp.forEach((help) => {
lines.push(" " + help.name + repeat(" ", 27 - help.name.length) + help.help);
});
}
if (lines.length) {
if (this.defaultCommand) {
console.log(`COMMANDS (default: ${this.defaultCommand})`);
}
else {
console.log("COMMANDS");
}
lines.forEach((line) => {
console.log(line);
});
console.log("");
}
}
if (this.options.account) {
console.log("ACCOUNT OPTIONS");
console.log(" --account FILENAME Load from a file (JSON, RAW or mnemonic)");
console.log(" --account RAW_KEY Use a private key (insecure *)");
console.log(" --account 'MNEMONIC' Use a mnemonic (insecure *)");
console.log(" --account - Use secure entry for a raw key or mnemonic");
console.log(" --account-void ADDRESS Use an address as a void signer");
console.log(" --account-void ENS_NAME Add the resolved address as a void signer");
console.log(" --account-rpc ADDRESS Add the address from a JSON-RPC provider");
console.log(" --account-rpc INDEX Add the index from a JSON-RPC provider");
console.log(" --mnemonic-password Prompt for a password for mnemonics");
console.log(" --xxx-mnemonic-password Prompt for a (experimental) hard password");
console.log("");
}
if (this.options.provider) {
console.log("PROVIDER OPTIONS (default: all + homestead)");
console.log(" --alchemy Include Alchemy");
console.log(" --etherscan Include Etherscan");
console.log(" --infura Include INFURA");
console.log(" --nodesmith Include nodesmith");
console.log(" --rpc URL Include a custom JSON-RPC");
console.log(" --offline Dump signed transactions (no send)");
console.log(" --network NETWORK Network to connect to (default: homestead)");
console.log("");
}
if (this.options.transaction) {
console.log("TRANSACTION OPTIONS (default: query network)");
console.log(" --gasPrice GWEI Default gas price for transactions(in wei)");
console.log(" --gasLimit GAS Default gas limit for transactions");
console.log(" --nonce NONCE Initial nonce for the first transaction");
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console.log(" --yes Always accept Signing and Sending");
console.log("");
}
console.log("OTHER OPTIONS");
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if (this.options.transaction) {
console.log(" --wait Wait until transactions are mined");
}
console.log(" --debug Show stack traces for errors");
console.log(" --help Show this usage and exit");
console.log(" --version Show this version and exit");
console.log("");
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if (this.options.account) {
console.log("(*) By including mnemonics or private keys on the command line they are");
console.log(" possibly readable by other users on your system and may get stored in");
console.log(" your bash history file. This is NOT recommended.");
console.log("");
}
if (message) {
console.log(message);
console.log("");
}
process.exit(status || 0);
throw new Error("never reached");
}
run(args) {
return __awaiter(this, void 0, void 0, function* () {
args = args.slice();
if (this.defaultCommand && !this.plugins[this.defaultCommand]) {
throw new Error("missing defaultCommand plugin");
}
let command = null;
// We run a temporary argument parser to check for a command by processing standard options
{
let argParser = new ArgParser(args);
let plugin = new CheckPlugin();
yield plugin.prepareOptions(argParser);
// These are not part of the plugin
["debug", "help", "version"].forEach((key) => {
argParser.consumeFlag(key);
});
// Find the first unconsumed argument
if (!this.standAlone) {
let commandIndex = argParser._checkCommandIndex();
if (commandIndex === -1) {
command = this.defaultCommand;
}
else {
command = args[commandIndex];
args.splice(commandIndex, 1);
}
}
}
// Reset the argument parser
let argParser = new ArgParser(args);
if (argParser.consumeFlag("version")) {
console.log(CLI.getAppName() + "/" + this.options.version);
return;
}
if (argParser.consumeFlag("help")) {
return this.showUsage();
}
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const debug = argParser.consumeFlag("debug");
// Create Plug-in instance
let plugin = null;
if (this.standAlone) {
plugin = new this.standAlone;
}
else {
try {
plugin = new this.plugins[command]();
}
catch (error) {
if (command) {
this.showUsage("unknown command - " + command);
}
return this.showUsage("no command provided", 1);
}
}
try {
yield plugin.prepareOptions(argParser);
yield plugin.prepareArgs(argParser._finalizeArgs());
yield plugin.run();
}
catch (error) {
if (error instanceof UsageError) {
return this.showUsage(error.message, 1);
}
if (debug) {
console.log("----- <DEBUG> ------");
console.log(error);
console.log("----- </DEBUG> -----");
}
console.log("Error: " + error.message);
process.exit(2);
}
});
}
}