@substrate/node-watcher
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Extract, Transform, Load Kusama/Polkadot history into a PostgreSQL DB
144 lines (143 loc) • 7.83 kB
JavaScript
;
// Copyright 2018-2020 @paritytech/nomidot authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var types_1 = require("@polkadot/types");
var util_1 = require("@polkadot/util");
var bn_js_1 = __importDefault(require("bn.js"));
var prisma_client_1 = require("../generated/prisma-client");
var l = util_1.logger('Task: Stake');
/*
* ======= Table (Stake) ======
*/
var createStake = {
name: 'createStake',
read: function (blockHash, _cached, api) { return __awaiter(void 0, void 0, void 0, function () {
var totalStaked, stakersInfoForEachCurrentElectedValidator, currentElected, queuedKeys, validators_1, currentElected, currentEra_1, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
totalStaked = new bn_js_1.default(0);
stakersInfoForEachCurrentElectedValidator = [];
if (!api.query.staking.currentElected) return [3 /*break*/, 3];
return [4 /*yield*/, api.query.staking.currentElected.at(blockHash)];
case 1:
currentElected = _a.sent();
return [4 /*yield*/, Promise.all(currentElected.map(function (stashId) { return __awaiter(void 0, void 0, void 0, function () {
var exposure;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, api.query.staking.stakers.at(blockHash, stashId)];
case 1:
exposure = _a.sent();
stakersInfoForEachCurrentElectedValidator.push(exposure);
return [2 /*return*/];
}
});
}); }))];
case 2:
_a.sent();
return [3 /*break*/, 8];
case 3: return [4 /*yield*/, api.query.session.queuedKeys.at(blockHash)];
case 4:
queuedKeys = _a.sent();
return [4 /*yield*/, api.query.session.validators.at(blockHash)];
case 5:
validators_1 = _a.sent();
currentElected = queuedKeys
.map(function (key) { return key[0]; })
.filter(function (accountId) {
return validators_1.includes(accountId);
});
return [4 /*yield*/, api.query.staking.currentEra.at(blockHash)];
case 6:
currentEra_1 = _a.sent();
return [4 /*yield*/, Promise.all(currentElected.map(function (stashId) { return __awaiter(void 0, void 0, void 0, function () {
var exposure;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, api.query.staking.erasStakers.at(blockHash, currentEra_1.unwrapOrDefault(), stashId)];
case 1:
exposure = _a.sent();
stakersInfoForEachCurrentElectedValidator.push(exposure);
return [2 /*return*/];
}
});
}); }))];
case 7:
_a.sent();
_a.label = 8;
case 8:
stakersInfoForEachCurrentElectedValidator.map(function (exposure) {
if (exposure) {
var bondTotal = exposure.total.unwrap();
totalStaked = totalStaked.add(bondTotal);
}
});
result = {
totalStaked: types_1.createType(api.registry, 'Balance', totalStaked),
};
l.log("Nomidot Stake: " + JSON.stringify(result));
return [2 /*return*/, result];
}
});
}); },
write: function (blockNumber, value) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, prisma_client_1.prisma.createStake({
blockNumber: {
connect: {
number: blockNumber.toNumber(),
},
},
totalStake: value.totalStaked.toHex(),
})];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); },
};
exports.default = createStake;