@melonproject/protocol
Version:
Technology Regulated and Operated Investment Funds
53 lines (52 loc) • 3.65 kB
JavaScript
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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 token_math_1 = require("@melonproject/token-math");
const Contracts_1 = require("../../../../Contracts");
const getHub_1 = require("../../hub/calls/getHub");
const ensureIsNotShutDown_1 = require("../../hub/guards/ensureIsNotShutDown");
const getRequest_1 = require("../calls/getRequest");
const ensureAllowance_1 = require("../../../dependencies/token/guards/ensureAllowance");
const getShareCostInAsset_1 = require("../../accounting/calls/getShareCostInAsset");
const getRoutes_1 = require("../../hub/calls/getRoutes");
const getToken_1 = require("../../../dependencies/token/calls/getToken");
const ensure_1 = require("../../../../utils/guards/ensure");
const guard = (environment, params, contractAddress) => __awaiter(this, void 0, void 0, function* () {
const hub = yield getHub_1.getHub(environment, contractAddress);
yield ensureIsNotShutDown_1.ensureIsNotShutDown(environment, hub);
yield ensureAllowance_1.ensureAllowance(environment, params.investmentAmount, contractAddress);
});
const prepareArgs = (environment, { investmentAmount, requestedShares }, contractAddress) => __awaiter(this, void 0, void 0, function* () {
const hubAddress = yield getHub_1.getHub(environment, contractAddress);
const routes = yield getRoutes_1.getRoutes(environment, hubAddress);
const fundToken = yield getToken_1.getToken(environment, routes.sharesAddress);
const sharePriceInInvestmentAsset = yield getShareCostInAsset_1.getShareCostInAsset(environment, routes.accountingAddress.toString(), { assetToken: investmentAmount.token, fundToken });
const priceForShares = token_math_1.valueIn(sharePriceInInvestmentAsset, requestedShares);
ensure_1.ensure(token_math_1.greaterThan(investmentAmount, priceForShares) ||
token_math_1.isEqual(investmentAmount, priceForShares), `Investment asset quantity provided is not enough to purchase ${token_math_1.toFixed(requestedShares)} shares. Share price for ${investmentAmount.token.symbol}: ${token_math_1.toFixed(sharePriceInInvestmentAsset)}`);
const requestedSharesArg = requestedShares.quantity.toString();
const investmentAmountArg = investmentAmount.quantity.toString();
const investmentAssetArg = investmentAmount.token.address;
const args = [
requestedSharesArg,
investmentAmountArg,
`${investmentAssetArg}`,
];
return args;
});
const postProcess = (environment, receipt, params, contractAddress) => __awaiter(this, void 0, void 0, function* () {
const request = yield getRequest_1.getRequest(environment, contractAddress, {
of: environment.wallet.address,
});
return request;
});
const requestInvestment = transactionFactory_1.transactionFactory('requestInvestment', Contracts_1.Contracts.Participation, guard, prepareArgs, postProcess, { amguPayable: true, incentive: true });
exports.requestInvestment = requestInvestment;