@open-rights-exchange/orejs/dist/eos.js

"use strict";
/* Private */
var __assign = (this && this.__assign) || Object.assign || function(t) {
    for (var s, i = 1, n = arguments.length; i < n; i++) {
        s = arguments[i];
        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
            t[p] = s[p];
    }
    return t;
};
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());
    });
};
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 };
    }
};
// NOTE: More than a simple wrapper for eos.rpc.get_info
// NOTE: Saves state from get_info, which can be used by other methods
// NOTE: For example, newaccount will have different field names, depending on the server_version_string
function getInfo() {
    return __awaiter(this, void 0, void 0, function () {
        var info;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0: return [4 /*yield*/, this.eos.rpc.get_info({})];
                case 1:
                    info = _a.sent();
                    this.chainInfo = info;
                    return [2 /*return*/, info];
            }
        });
    });
}
/* Public */
function hasTransaction(block, transactionId) {
    if (block.transactions) {
        var result = block.transactions.find(function (transaction) { return transaction.trx.id === transactionId; });
        if (result !== undefined) {
            return true;
        }
    }
    return false;
}
// NOTE: Use this to await for transactions to be added to a block
// NOTE: Useful, when committing sequential transactions with inter-dependencies
// NOTE: This does NOT confirm that the transaction is irreversible, aka finalized
// NOTE: blocksToCheck = the number of blocks to check, after committing the transaction, before giving up
// NOTE: checkInterval = the time between block checks in MS
// NOTE: getBlockAttempts = the number of failed attempts at retrieving a particular block, before giving up
function awaitTransaction(func, blocksToCheck, checkInterval, getBlockAttempts) {
    var _this = this;
    if (blocksToCheck === void 0) { blocksToCheck = 20; }
    if (checkInterval === void 0) { checkInterval = 400; }
    if (getBlockAttempts === void 0) { getBlockAttempts = 5; }
    return new Promise(function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
        var preCommitInfo, preCommitHeadBlockNum, transaction, error_1, blockNumToCheck, blockToCheck, getBlockAttempt, intConfirm;
        var _this = this;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0: return [4 /*yield*/, getInfo.bind(this)()];
                case 1:
                    preCommitInfo = _a.sent();
                    preCommitHeadBlockNum = preCommitInfo.head_block_num;
                    _a.label = 2;
                case 2:
                    _a.trys.push([2, 4, , 5]);
                    return [4 /*yield*/, func()];
                case 3:
                    transaction = _a.sent();
                    return [3 /*break*/, 5];
                case 4:
                    error_1 = _a.sent();
                    reject(new Error("Await Transaction Failure: " + JSON.stringify(error_1)));
                    return [3 /*break*/, 5];
                case 5:
                    blockNumToCheck = preCommitHeadBlockNum + 1;
                    getBlockAttempt = 1;
                    intConfirm = setInterval(function () { return __awaiter(_this, void 0, void 0, function () {
                        var error_2;
                        return __generator(this, function (_a) {
                            switch (_a.label) {
                                case 0:
                                    _a.trys.push([0, 2, , 3]);
                                    return [4 /*yield*/, this.eos.rpc.get_block(blockNumToCheck)];
                                case 1:
                                    blockToCheck = _a.sent();
                                    if (hasTransaction(blockToCheck, transaction.transaction_id)) {
                                        clearInterval(intConfirm);
                                        resolve(transaction);
                                    }
                                    getBlockAttempt = 1;
                                    blockNumToCheck += 1;
                                    return [3 /*break*/, 3];
                                case 2:
                                    error_2 = _a.sent();
                                    if (getBlockAttempt >= getBlockAttempts) {
                                        clearInterval(intConfirm);
                                        reject(new Error("Await Transaction Failure: Failure to find a block, after " + getBlockAttempt + " attempts to check block " + blockNumToCheck + "."));
                                    }
                                    getBlockAttempt += 1;
                                    return [3 /*break*/, 3];
                                case 3:
                                    if (blockNumToCheck > preCommitHeadBlockNum + blocksToCheck) {
                                        clearInterval(intConfirm);
                                        reject(new Error("Await Transaction Timeout: Waited for " + blocksToCheck + " blocks ~(" + blocksToCheck / 2 + " seconds) starting with block num: " + preCommitHeadBlockNum + ". This does not mean the transaction failed just that the transaction wasn't found in a block before timeout"));
                                    }
                                    return [2 /*return*/];
                            }
                        });
                    }); }, checkInterval);
                    return [2 /*return*/];
            }
        });
    }); });
}
function getAllTableRows(params, key_field, json) {
    if (key_field === void 0) { key_field = 'id'; }
    if (json === void 0) { json = true; }
    return __awaiter(this, void 0, void 0, function () {
        var results, lowerBound, limit, parameters;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    results = [];
                    lowerBound = 0;
                    limit = -1;
                    parameters = __assign({}, params, { json: json, lower_bound: params.lower_bound || lowerBound, scope: params.scope || params.code, limit: params.limit || limit });
                    return [4 /*yield*/, this.eos.rpc.get_table_rows(parameters)];
                case 1:
                    results = _a.sent();
                    return [2 /*return*/, results.rows];
            }
        });
    });
}
// check if the publickey belongs to the account provided
function checkPubKeytoAccount(account, publicKey) {
    return __awaiter(this, void 0, void 0, function () {
        var keyaccounts, accounts;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0: return [4 /*yield*/, this.eos.rpc.history_get_key_accounts(publicKey)];
                case 1:
                    keyaccounts = _a.sent();
                    return [4 /*yield*/, keyaccounts.account_names];
                case 2:
                    accounts = _a.sent();
                    if (accounts.includes(account)) {
                        return [2 /*return*/, true];
                    }
                    return [2 /*return*/, false];
            }
        });
    });
}
// NOTE: setting the broadcast parameter to false allows us to receive signed transactions, without submitting them
function transact(actions, broadcast, blocksBehind, expireSeconds) {
    if (broadcast === void 0) { broadcast = true; }
    if (blocksBehind === void 0) { blocksBehind = 3; }
    if (expireSeconds === void 0) { expireSeconds = 30; }
    return this.eos.transact({
        actions: actions
    }, {
        blocksBehind: blocksBehind,
        broadcast: broadcast,
        expireSeconds: expireSeconds,
    });
}
module.exports = {
    awaitTransaction: awaitTransaction,
    getAllTableRows: getAllTableRows,
    hasTransaction: hasTransaction,
    checkPubKeytoAccount: checkPubKeytoAccount,
    transact: transact,
};
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