@taquito/taquito
Version:
High level functionality that builds upon the other packages in the Tezos Typescript Library Suite.
250 lines • 12.6 kB
JavaScript
"use strict";
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 __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.WalletOperation = exports.MissedBlockDuringConfirmationError = void 0;
var rxjs_1 = require("rxjs");
var operators_1 = require("rxjs/operators");
var receipt_1 = require("./receipt");
var MissedBlockDuringConfirmationError = /** @class */ (function () {
function MissedBlockDuringConfirmationError() {
this.name = 'MissedBlockDuringConfirmationError';
this.message = 'Taquito missed a block while waiting for operation confirmation and was not able to find the operation';
}
return MissedBlockDuringConfirmationError;
}());
exports.MissedBlockDuringConfirmationError = MissedBlockDuringConfirmationError;
var MAX_BRANCH_ANCESTORS = 60;
/**
* @description WalletOperation allows to monitor operation inclusion on chains and surface information related to the operation
*/
var WalletOperation = /** @class */ (function () {
/**
*
* @param opHash Operation hash
* @param raw Raw operation that was injected
* @param context Taquito context allowing access to rpc and signer
*/
function WalletOperation(opHash, context, _newHead$) {
var _this = this;
this.opHash = opHash;
this.context = context;
this._newHead$ = _newHead$;
this._operationResult = new rxjs_1.ReplaySubject(1);
this._includedInBlock = new rxjs_1.ReplaySubject(1);
this._included = false;
this.newHead$ = this._newHead$.pipe(operators_1.tap(function (newHead) {
if (!_this._included &&
_this.lastHead &&
newHead.header.level - _this.lastHead.header.level > 1) {
throw new MissedBlockDuringConfirmationError();
}
_this.lastHead = newHead;
}), operators_1.shareReplay({ bufferSize: 1, refCount: true }));
// Observable that emit once operation is seen in a block
this.confirmed$ = this.newHead$.pipe(operators_1.map(function (head) {
var e_1, _a, e_2, _b;
try {
for (var _c = __values(head.operations), _d = _c.next(); !_d.done; _d = _c.next()) {
var opGroup = _d.value;
try {
for (var opGroup_1 = (e_2 = void 0, __values(opGroup)), opGroup_1_1 = opGroup_1.next(); !opGroup_1_1.done; opGroup_1_1 = opGroup_1.next()) {
var op = opGroup_1_1.value;
if (op.hash === _this.opHash) {
_this._included = true;
_this._includedInBlock.next(head);
_this._operationResult.next(op.contents);
// Return the block where the operation was found
return head;
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (opGroup_1_1 && !opGroup_1_1.done && (_b = opGroup_1.return)) _b.call(opGroup_1);
}
finally { if (e_2) throw e_2.error; }
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
}
finally { if (e_1) throw e_1.error; }
}
}), operators_1.filter(function (x) {
return typeof x !== 'undefined';
}), operators_1.first(), operators_1.shareReplay({ bufferSize: 1, refCount: true }));
this.confirmed$.pipe(operators_1.first()).subscribe();
}
WalletOperation.prototype.operationResults = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this._operationResult.pipe(operators_1.first()).toPromise()];
});
});
};
/**
* @description Receipt expose the total amount of tezos token burn and spent on fees
* The promise returned by receipt will resolve only once the transaction is included
*/
WalletOperation.prototype.receipt = function () {
return __awaiter(this, void 0, void 0, function () {
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = receipt_1.receiptFromOperation;
return [4 /*yield*/, this.operationResults()];
case 1: return [2 /*return*/, _a.apply(void 0, [_b.sent()])];
}
});
});
};
WalletOperation.prototype.getCurrentConfirmation = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (!this._included) {
return [2 /*return*/, 0];
}
return [2 /*return*/, rxjs_1.combineLatest([this._includedInBlock, rxjs_1.from(this.context.rpc.getBlock())])
.pipe(operators_1.map(function (_a) {
var _b = __read(_a, 2), foundAtBlock = _b[0], head = _b[1];
return head.header.level - foundAtBlock.header.level + 1;
}), operators_1.first())
.toPromise()];
});
});
};
WalletOperation.prototype.isInCurrentBranch = function (tipBlockIdentifier) {
if (tipBlockIdentifier === void 0) { tipBlockIdentifier = 'head'; }
return __awaiter(this, void 0, void 0, function () {
var tipBlockHeader, inclusionBlock, levelDiff, tipBlockLevel, blocks, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
// By default it is assumed that the operation is in the current branch
if (!this._included) {
return [2 /*return*/, true];
}
return [4 /*yield*/, this.context.rpc.getBlockHeader({ block: tipBlockIdentifier })];
case 1:
tipBlockHeader = _b.sent();
return [4 /*yield*/, this._includedInBlock.pipe(operators_1.first()).toPromise()];
case 2:
inclusionBlock = _b.sent();
levelDiff = tipBlockHeader.level - inclusionBlock.header.level;
// Block produced before the operation is included are assumed to be part of the current branch
if (levelDiff <= 0) {
return [2 /*return*/, true];
}
tipBlockLevel = Math.min(inclusionBlock.header.level + levelDiff, inclusionBlock.header.level + MAX_BRANCH_ANCESTORS);
_a = Set.bind;
return [4 /*yield*/, this.context.rpc.getLiveBlocks({ block: String(tipBlockLevel) })];
case 3:
blocks = new (_a.apply(Set, [void 0, _b.sent()]))();
return [2 /*return*/, blocks.has(inclusionBlock.hash)];
}
});
});
};
WalletOperation.prototype.confirmationObservable = function (confirmations) {
var _this = this;
if (typeof confirmations !== 'undefined' && confirmations < 1) {
throw new Error('Confirmation count must be at least 1');
}
var defaultConfirmationCount = this.context.config.defaultConfirmationCount;
var conf = confirmations !== undefined ? confirmations : defaultConfirmationCount;
return rxjs_1.combineLatest([this._includedInBlock, this.newHead$]).pipe(operators_1.distinctUntilChanged(function (_a, _b) {
var _c = __read(_a, 2), previousHead = _c[1];
var _d = __read(_b, 2), newHead = _d[1];
return previousHead.hash === newHead.hash;
}), operators_1.map(function (_a) {
var _b = __read(_a, 2), foundAtBlock = _b[0], head = _b[1];
return {
block: head,
expectedConfirmation: conf,
currentConfirmation: head.header.level - foundAtBlock.header.level + 1,
completed: head.header.level - foundAtBlock.header.level >= conf - 1,
isInCurrentBranch: function () { return _this.isInCurrentBranch(head.hash); },
};
}), operators_1.takeWhile(function (_a) {
var completed = _a.completed;
return !completed;
}, true));
};
/**
*
* @param confirmations [0] Number of confirmation to wait for
*/
WalletOperation.prototype.confirmation = function (confirmations) {
return this.confirmationObservable(confirmations).toPromise();
};
return WalletOperation;
}());
exports.WalletOperation = WalletOperation;
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