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Текущая директория: /opt/BitGoJS/node_modules/@celo/utils/lib
Просмотр файла: istanbul.js
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.IstanbulUtils = exports.bitIsSet = exports.parseBlockExtraData = void 0;
var bignumber_js_1 = __importDefault(require("bignumber.js"));
var ethereumjs_util_1 = require("ethereumjs-util");
var rlp = __importStar(require("rlp"));
// This file contains utilities that help with istanbul-specific block information.
// See https://github.com/celo-org/celo-blockchain/blob/master/core/types/istanbul.go
var ISTANBUL_EXTRA_VANITY_BYTES = 32;
function bigNumberFromBuffer(data) {
return new bignumber_js_1.default('0x' + (data.toString('hex') || '0'), 16);
}
function sealFromBuffers(data) {
return {
bitmap: bigNumberFromBuffer(data[0]),
signature: '0x' + data[1].toString('hex'),
round: bigNumberFromBuffer(data[2]),
};
}
// Parse RLP encoded block extra data into an IstanbulExtra object.
function parseBlockExtraData(data) {
var buffer = Buffer.from(data.replace(/^0x/, ''), 'hex');
var decode = rlp.decode('0x' + buffer.slice(ISTANBUL_EXTRA_VANITY_BYTES).toString('hex'));
return {
addedValidators: decode[0].map(function (addr) { return (0, ethereumjs_util_1.toChecksumAddress)(addr.toString('hex')); }),
addedValidatorsPublicKeys: decode[1].map(function (key) { return '0x' + key.toString('hex'); }),
removedValidators: bigNumberFromBuffer(decode[2]),
seal: '0x' + decode[3].toString('hex'),
aggregatedSeal: sealFromBuffers(decode[4]),
parentAggregatedSeal: sealFromBuffers(decode[5]),
};
}
exports.parseBlockExtraData = parseBlockExtraData;
function bitIsSet(bitmap, index) {
if (index < 0) {
throw new Error("bit index must be greater than zero: got ".concat(index));
}
return bitmap
.idiv('1' + '0'.repeat(index), 2)
.mod(2)
.gt(0);
}
exports.bitIsSet = bitIsSet;
exports.IstanbulUtils = {
parseBlockExtraData: parseBlockExtraData,
bitIsSet: bitIsSet,
};
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