ethers.js/packages/providers/lib/formatter.js
2021-10-16 02:29:27 -04:00

453 lines
18 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.showThrottleMessage = exports.isCommunityResource = exports.isCommunityResourcable = exports.Formatter = void 0;
var address_1 = require("@ethersproject/address");
var bignumber_1 = require("@ethersproject/bignumber");
var bytes_1 = require("@ethersproject/bytes");
var constants_1 = require("@ethersproject/constants");
var properties_1 = require("@ethersproject/properties");
var transactions_1 = require("@ethersproject/transactions");
var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
var Formatter = /** @class */ (function () {
function Formatter() {
var _newTarget = this.constructor;
logger.checkNew(_newTarget, Formatter);
this.formats = this.getDefaultFormats();
}
Formatter.prototype.getDefaultFormats = function () {
var _this = this;
var formats = ({});
var address = this.address.bind(this);
var bigNumber = this.bigNumber.bind(this);
var blockTag = this.blockTag.bind(this);
var data = this.data.bind(this);
var hash = this.hash.bind(this);
var hex = this.hex.bind(this);
var number = this.number.bind(this);
var type = this.type.bind(this);
var strictData = function (v) { return _this.data(v, true); };
formats.transaction = {
hash: hash,
type: type,
accessList: Formatter.allowNull(this.accessList.bind(this), null),
blockHash: Formatter.allowNull(hash, null),
blockNumber: Formatter.allowNull(number, null),
transactionIndex: Formatter.allowNull(number, null),
confirmations: Formatter.allowNull(number, null),
from: address,
// either (gasPrice) or (maxPriorityFeePerGas + maxFeePerGas)
// must be set
gasPrice: Formatter.allowNull(bigNumber),
maxPriorityFeePerGas: Formatter.allowNull(bigNumber),
maxFeePerGas: Formatter.allowNull(bigNumber),
gasLimit: bigNumber,
to: Formatter.allowNull(address, null),
value: bigNumber,
nonce: number,
data: data,
r: Formatter.allowNull(this.uint256),
s: Formatter.allowNull(this.uint256),
v: Formatter.allowNull(number),
creates: Formatter.allowNull(address, null),
raw: Formatter.allowNull(data),
};
formats.transactionRequest = {
from: Formatter.allowNull(address),
nonce: Formatter.allowNull(number),
gasLimit: Formatter.allowNull(bigNumber),
gasPrice: Formatter.allowNull(bigNumber),
maxPriorityFeePerGas: Formatter.allowNull(bigNumber),
maxFeePerGas: Formatter.allowNull(bigNumber),
to: Formatter.allowNull(address),
value: Formatter.allowNull(bigNumber),
data: Formatter.allowNull(strictData),
type: Formatter.allowNull(number),
accessList: Formatter.allowNull(this.accessList.bind(this), null),
};
formats.receiptLog = {
transactionIndex: number,
blockNumber: number,
transactionHash: hash,
address: address,
topics: Formatter.arrayOf(hash),
data: data,
logIndex: number,
blockHash: hash,
};
formats.receipt = {
to: Formatter.allowNull(this.address, null),
from: Formatter.allowNull(this.address, null),
contractAddress: Formatter.allowNull(address, null),
transactionIndex: number,
// should be allowNull(hash), but broken-EIP-658 support is handled in receipt
root: Formatter.allowNull(hex),
gasUsed: bigNumber,
logsBloom: Formatter.allowNull(data),
blockHash: hash,
transactionHash: hash,
logs: Formatter.arrayOf(this.receiptLog.bind(this)),
blockNumber: number,
confirmations: Formatter.allowNull(number, null),
cumulativeGasUsed: bigNumber,
effectiveGasPrice: Formatter.allowNull(bigNumber),
status: Formatter.allowNull(number),
type: type
};
formats.block = {
hash: hash,
parentHash: hash,
number: number,
timestamp: number,
nonce: Formatter.allowNull(hex),
difficulty: this.difficulty.bind(this),
gasLimit: bigNumber,
gasUsed: bigNumber,
miner: address,
extraData: data,
transactions: Formatter.allowNull(Formatter.arrayOf(hash)),
baseFeePerGas: Formatter.allowNull(bigNumber)
};
formats.blockWithTransactions = (0, properties_1.shallowCopy)(formats.block);
formats.blockWithTransactions.transactions = Formatter.allowNull(Formatter.arrayOf(this.transactionResponse.bind(this)));
formats.filter = {
fromBlock: Formatter.allowNull(blockTag, undefined),
toBlock: Formatter.allowNull(blockTag, undefined),
blockHash: Formatter.allowNull(hash, undefined),
address: Formatter.allowNull(address, undefined),
topics: Formatter.allowNull(this.topics.bind(this), undefined),
};
formats.filterLog = {
blockNumber: Formatter.allowNull(number),
blockHash: Formatter.allowNull(hash),
transactionIndex: number,
removed: Formatter.allowNull(this.boolean.bind(this)),
address: address,
data: Formatter.allowFalsish(data, "0x"),
topics: Formatter.arrayOf(hash),
transactionHash: hash,
logIndex: number,
};
return formats;
};
Formatter.prototype.accessList = function (accessList) {
return (0, transactions_1.accessListify)(accessList || []);
};
// Requires a BigNumberish that is within the IEEE754 safe integer range; returns a number
// Strict! Used on input.
Formatter.prototype.number = function (number) {
if (number === "0x") {
return 0;
}
return bignumber_1.BigNumber.from(number).toNumber();
};
Formatter.prototype.type = function (number) {
if (number === "0x" || number == null) {
return 0;
}
return bignumber_1.BigNumber.from(number).toNumber();
};
// Strict! Used on input.
Formatter.prototype.bigNumber = function (value) {
return bignumber_1.BigNumber.from(value);
};
// Requires a boolean, "true" or "false"; returns a boolean
Formatter.prototype.boolean = function (value) {
if (typeof (value) === "boolean") {
return value;
}
if (typeof (value) === "string") {
value = value.toLowerCase();
if (value === "true") {
return true;
}
if (value === "false") {
return false;
}
}
throw new Error("invalid boolean - " + value);
};
Formatter.prototype.hex = function (value, strict) {
if (typeof (value) === "string") {
if (!strict && value.substring(0, 2) !== "0x") {
value = "0x" + value;
}
if ((0, bytes_1.isHexString)(value)) {
return value.toLowerCase();
}
}
return logger.throwArgumentError("invalid hash", "value", value);
};
Formatter.prototype.data = function (value, strict) {
var result = this.hex(value, strict);
if ((result.length % 2) !== 0) {
throw new Error("invalid data; odd-length - " + value);
}
return result;
};
// Requires an address
// Strict! Used on input.
Formatter.prototype.address = function (value) {
return (0, address_1.getAddress)(value);
};
Formatter.prototype.callAddress = function (value) {
if (!(0, bytes_1.isHexString)(value, 32)) {
return null;
}
var address = (0, address_1.getAddress)((0, bytes_1.hexDataSlice)(value, 12));
return (address === constants_1.AddressZero) ? null : address;
};
Formatter.prototype.contractAddress = function (value) {
return (0, address_1.getContractAddress)(value);
};
// Strict! Used on input.
Formatter.prototype.blockTag = function (blockTag) {
if (blockTag == null) {
return "latest";
}
if (blockTag === "earliest") {
return "0x0";
}
if (blockTag === "latest" || blockTag === "pending") {
return blockTag;
}
if (typeof (blockTag) === "number" || (0, bytes_1.isHexString)(blockTag)) {
return (0, bytes_1.hexValue)(blockTag);
}
throw new Error("invalid blockTag");
};
// Requires a hash, optionally requires 0x prefix; returns prefixed lowercase hash.
Formatter.prototype.hash = function (value, strict) {
var result = this.hex(value, strict);
if ((0, bytes_1.hexDataLength)(result) !== 32) {
return logger.throwArgumentError("invalid hash", "value", value);
}
return result;
};
// Returns the difficulty as a number, or if too large (i.e. PoA network) null
Formatter.prototype.difficulty = function (value) {
if (value == null) {
return null;
}
var v = bignumber_1.BigNumber.from(value);
try {
return v.toNumber();
}
catch (error) { }
return null;
};
Formatter.prototype.uint256 = function (value) {
if (!(0, bytes_1.isHexString)(value)) {
throw new Error("invalid uint256");
}
return (0, bytes_1.hexZeroPad)(value, 32);
};
Formatter.prototype._block = function (value, format) {
if (value.author != null && value.miner == null) {
value.miner = value.author;
}
// The difficulty may need to come from _difficulty in recursed blocks
var difficulty = (value._difficulty != null) ? value._difficulty : value.difficulty;
var result = Formatter.check(format, value);
result._difficulty = ((difficulty == null) ? null : bignumber_1.BigNumber.from(difficulty));
return result;
};
Formatter.prototype.block = function (value) {
return this._block(value, this.formats.block);
};
Formatter.prototype.blockWithTransactions = function (value) {
return this._block(value, this.formats.blockWithTransactions);
};
// Strict! Used on input.
Formatter.prototype.transactionRequest = function (value) {
return Formatter.check(this.formats.transactionRequest, value);
};
Formatter.prototype.transactionResponse = function (transaction) {
// Rename gas to gasLimit
if (transaction.gas != null && transaction.gasLimit == null) {
transaction.gasLimit = transaction.gas;
}
// Some clients (TestRPC) do strange things like return 0x0 for the
// 0 address; correct this to be a real address
if (transaction.to && bignumber_1.BigNumber.from(transaction.to).isZero()) {
transaction.to = "0x0000000000000000000000000000000000000000";
}
// Rename input to data
if (transaction.input != null && transaction.data == null) {
transaction.data = transaction.input;
}
// If to and creates are empty, populate the creates from the transaction
if (transaction.to == null && transaction.creates == null) {
transaction.creates = this.contractAddress(transaction);
}
if ((transaction.type === 1 || transaction.type === 2) && transaction.accessList == null) {
transaction.accessList = [];
}
var result = Formatter.check(this.formats.transaction, transaction);
if (transaction.chainId != null) {
var chainId = transaction.chainId;
if ((0, bytes_1.isHexString)(chainId)) {
chainId = bignumber_1.BigNumber.from(chainId).toNumber();
}
result.chainId = chainId;
}
else {
var chainId = transaction.networkId;
// geth-etc returns chainId
if (chainId == null && result.v == null) {
chainId = transaction.chainId;
}
if ((0, bytes_1.isHexString)(chainId)) {
chainId = bignumber_1.BigNumber.from(chainId).toNumber();
}
if (typeof (chainId) !== "number" && result.v != null) {
chainId = (result.v - 35) / 2;
if (chainId < 0) {
chainId = 0;
}
chainId = parseInt(chainId);
}
if (typeof (chainId) !== "number") {
chainId = 0;
}
result.chainId = chainId;
}
// 0x0000... should actually be null
if (result.blockHash && result.blockHash.replace(/0/g, "") === "x") {
result.blockHash = null;
}
return result;
};
Formatter.prototype.transaction = function (value) {
return (0, transactions_1.parse)(value);
};
Formatter.prototype.receiptLog = function (value) {
return Formatter.check(this.formats.receiptLog, value);
};
Formatter.prototype.receipt = function (value) {
var result = Formatter.check(this.formats.receipt, value);
// RSK incorrectly implemented EIP-658, so we munge things a bit here for it
if (result.root != null) {
if (result.root.length <= 4) {
// Could be 0x00, 0x0, 0x01 or 0x1
var value_1 = bignumber_1.BigNumber.from(result.root).toNumber();
if (value_1 === 0 || value_1 === 1) {
// Make sure if both are specified, they match
if (result.status != null && (result.status !== value_1)) {
logger.throwArgumentError("alt-root-status/status mismatch", "value", { root: result.root, status: result.status });
}
result.status = value_1;
delete result.root;
}
else {
logger.throwArgumentError("invalid alt-root-status", "value.root", result.root);
}
}
else if (result.root.length !== 66) {
// Must be a valid bytes32
logger.throwArgumentError("invalid root hash", "value.root", result.root);
}
}
if (result.status != null) {
result.byzantium = true;
}
return result;
};
Formatter.prototype.topics = function (value) {
var _this = this;
if (Array.isArray(value)) {
return value.map(function (v) { return _this.topics(v); });
}
else if (value != null) {
return this.hash(value, true);
}
return null;
};
Formatter.prototype.filter = function (value) {
return Formatter.check(this.formats.filter, value);
};
Formatter.prototype.filterLog = function (value) {
return Formatter.check(this.formats.filterLog, value);
};
Formatter.check = function (format, object) {
var result = {};
for (var key in format) {
try {
var value = format[key](object[key]);
if (value !== undefined) {
result[key] = value;
}
}
catch (error) {
error.checkKey = key;
error.checkValue = object[key];
throw error;
}
}
return result;
};
// if value is null-ish, nullValue is returned
Formatter.allowNull = function (format, nullValue) {
return (function (value) {
if (value == null) {
return nullValue;
}
return format(value);
});
};
// If value is false-ish, replaceValue is returned
Formatter.allowFalsish = function (format, replaceValue) {
return (function (value) {
if (!value) {
return replaceValue;
}
return format(value);
});
};
// Requires an Array satisfying check
Formatter.arrayOf = function (format) {
return (function (array) {
if (!Array.isArray(array)) {
throw new Error("not an array");
}
var result = [];
array.forEach(function (value) {
result.push(format(value));
});
return result;
});
};
return Formatter;
}());
exports.Formatter = Formatter;
function isCommunityResourcable(value) {
return (value && typeof (value.isCommunityResource) === "function");
}
exports.isCommunityResourcable = isCommunityResourcable;
function isCommunityResource(value) {
return (isCommunityResourcable(value) && value.isCommunityResource());
}
exports.isCommunityResource = isCommunityResource;
// Show the throttle message only once
var throttleMessage = false;
function showThrottleMessage() {
if (throttleMessage) {
return;
}
throttleMessage = true;
console.log("========= NOTICE =========");
console.log("Request-Rate Exceeded (this message will not be repeated)");
console.log("");
console.log("The default API keys for each service are provided as a highly-throttled,");
console.log("community resource for low-traffic projects and early prototyping.");
console.log("");
console.log("While your application will continue to function, we highly recommended");
console.log("signing up for your own API keys to improve performance, increase your");
console.log("request rate/limit and enable other perks, such as metrics and advanced APIs.");
console.log("");
console.log("For more details: https:/\/docs.ethers.io/api-keys/");
console.log("==========================");
}
exports.showThrottleMessage = showThrottleMessage;
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