rubik-sdk
Version:
Simplify dApp creation
136 lines • 5.43 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Web3Pure = void 0;
var rubic_sdk_error_1 = require("../../../common/errors/rubic-sdk.error");
var native_token_address_1 = require("../constants/native-token-address");
var bignumber_js_1 = __importDefault(require("bignumber.js"));
var web3_1 = __importDefault(require("web3"));
var web3_utils_1 = require("web3-utils");
/**
* Contains common methods, connected with web3, e.g. wei conversion, encoding data, etc.
*/
var Web3Pure = /** @class */ (function () {
function Web3Pure() {
}
Object.defineProperty(Web3Pure, "nativeTokenAddress", {
/**
* Gets address of native coin {@link NATIVE_TOKEN_ADDRESS}.
*/
get: function () {
return native_token_address_1.NATIVE_TOKEN_ADDRESS;
},
enumerable: false,
configurable: true
});
Web3Pure.isZeroAddress = function (address) {
return address === this.ZERO_ADDRESS;
};
/**
* Increases the gas limit value by the specified percentage and rounds to the nearest integer.
* @param gasLimit Gas limit value to increase.
* @param multiplier The multiplier by which the gas limit will be increased.
*/
Web3Pure.calculateGasMargin = function (gasLimit, multiplier) {
return new bignumber_js_1.default(gasLimit || '0').multipliedBy(multiplier).dp(0);
};
/**
* Converts amount from Ether to Wei units.
* @param amount Amount to convert.
* @param decimals Token decimals.
* @param roundingMode BigNumberRoundingMode.
*/
Web3Pure.toWei = function (amount, decimals, roundingMode) {
if (decimals === void 0) { decimals = 18; }
return new bignumber_js_1.default(amount || 0)
.times(new bignumber_js_1.default(10).pow(decimals))
.toFixed(0, roundingMode);
};
/**
* Converts amount from Wei to Ether units.
* @param amountInWei Amount to convert.
* @param decimals Token decimals.
*/
Web3Pure.fromWei = function (amountInWei, decimals) {
if (decimals === void 0) { decimals = 18; }
return new bignumber_js_1.default(amountInWei).div(new bignumber_js_1.default(10).pow(decimals));
};
/**
* Converts address to bytes32 format.
* @param address Address to convert.
*/
Web3Pure.addressToBytes32 = function (address) {
if (address.slice(0, 2) !== '0x' || address.length !== 42) {
console.error('Wrong address format');
throw new rubic_sdk_error_1.RubicSdkError('Wrong address format');
}
return "0x".concat(address.slice(2).padStart(64, '0'));
};
/**
* Converts address to checksum format.
* @param address Address to convert.
*/
Web3Pure.toChecksumAddress = function (address) {
return (0, web3_utils_1.toChecksumAddress)(address);
};
/**
* Checks if a given address is a valid Ethereum address.
* @param address The address to check validity of.
*/
Web3Pure.isAddressCorrect = function (address) {
return (0, web3_utils_1.isAddress)(address);
};
/**
* Returns transaction config with encoded data.
*/
Web3Pure.encodeMethodCall = function (contractAddress, contractAbi, method, parameters, value, options) {
var _a;
if (parameters === void 0) { parameters = []; }
if (options === void 0) { options = {}; }
var contract = new this.web3Eth.Contract(contractAbi);
var data = (_a = contract.methods)[method].apply(_a, parameters).encodeABI();
return {
to: contractAddress,
data: data,
value: value,
gas: options.gas,
gasPrice: options.gasPrice
};
};
/**
* Encodes a function call using its JSON interface object and given parameters.
* @param contractAbi The JSON interface object of a function.
* @param methodName Method name to encode.
* @param methodArguments Parameters to encode.
* @returns An ABI encoded function call. Means function signature + parameters.
*/
Web3Pure.encodeFunctionCall = function (contractAbi, methodName, methodArguments) {
var methodSignature = contractAbi.find(function (abiItem) { return abiItem.name === methodName; });
if (methodSignature === undefined) {
throw Error('No such method in abi');
}
return this.web3Eth.abi.encodeFunctionCall(methodSignature, methodArguments);
};
/**
* Converts ascii address to bytes32 format.
* @param address Address to convert.
*/
Web3Pure.asciiToBytes32 = function (address) {
var bytes = (0, web3_utils_1.fromAscii)(address);
return "0x".concat(bytes.slice(2).padStart(64, '0'));
};
Web3Pure.ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
Web3Pure.web3Eth = new web3_1.default().eth;
/**
* Checks if address is Ether native address.
* @param address Address to check.
*/
Web3Pure.isNativeAddress = function (address) {
return address === native_token_address_1.NATIVE_TOKEN_ADDRESS;
};
return Web3Pure;
}());
exports.Web3Pure = Web3Pure;
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