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@melonproject/protocol

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Technology Regulated and Operated Investment Funds

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"use strict"; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { 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) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; Object.defineProperty(exports, "__esModule", { value: true }); const transactionFactory_1 = require("../../../../../utils/solidity/transactionFactory"); const Contracts_1 = require("../../../../../Contracts"); const token_math_1 = require("@melonproject/token-math"); const evm_1 = require("../../../../../utils/evm"); const Environment_1 = require("../../../../../utils/environment/Environment"); const isBuySell = (prices) => { if (!prices.length) return false; const first = prices[0]; return (first.buy !== undefined && first.sell !== undefined); }; const toHexString = (byteArray) => { return Array.from(byteArray, byte => `0${(byte & 0xff).toString(16)}`.slice(-2)).join(''); }; const splitArray = (arr, length) => { const groups = arr .map((e, i) => (i % length === 0 ? arr.slice(i, i + length) : null)) .filter(e => e); return groups; }; // If buy-sell prices are not explicity passed, assumes passed price to be sell const prepareArgs = (environment, { prices, blockNumber: givenBlockNumber }) => __awaiter(this, void 0, void 0, function* () { environment.logger('debug', Environment_1.LogLevels.DEBUG, prices); const numberOfTokens = prices.length; const enhancedPrices = isBuySell(prices) ? prices : prices.map(p => ({ buy: token_math_1.createPrice(p.quote, p.base), sell: p, })); const tokens = enhancedPrices.map(p => p.sell.base.token.address.toString()); const baseBuy = enhancedPrices.map(p => `${token_math_1.toAtomic(p.buy)}`); const baseSell = enhancedPrices.map(p => `${token_math_1.toAtomic(p.sell)}`); const blockNumber = givenBlockNumber || (yield evm_1.getLatestBlock(environment)).number; // Generate and format compact data (Set to 0) // Formatting info: https://developer.kyber.network/docs/ReservesGuide/ const zeroArray = splitArray(Array(numberOfTokens).fill(0), 14); const zeroCompactDataArray = zeroArray.map(v => `0x${toHexString(v)}`); const indices = Array.from(Array(zeroCompactDataArray.length).keys()); return [ tokens, baseBuy, baseSell, zeroCompactDataArray, zeroCompactDataArray, blockNumber, indices, ]; }); const setBaseRate = transactionFactory_1.transactionFactory('setBaseRate', Contracts_1.Contracts.ConversionRates, undefined, prepareArgs); exports.setBaseRate = setBaseRate;