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"use strict";
/**
* @module API
*/
// copyright defined in eosjs/LICENSE.txt
/* eslint-disable max-classes-per-file */
var __assign = (this && this.__assign) || function () {
__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;
};
return __assign.apply(this, arguments);
};
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 __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;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from) {
for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
to[j] = from[i];
return to;
};
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.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Api = void 0;
var pako_1 = require("pako");
var ser = require("./eosjs-serialize");
var abiAbi = require('../src/abi.abi.json');
var transactionAbi = require('../src/transaction.abi.json');
var Api = /** @class */ (function () {
/**
* @param args
* * `rpc`: Issues RPC calls
* * `authorityProvider`: Get public keys needed to meet authorities in a transaction
* * `abiProvider`: Supplies ABIs in raw form (binary)
* * `signatureProvider`: Signs transactions
* * `chainId`: Identifies chain
* * `textEncoder`: `TextEncoder` instance to use. Pass in `null` if running in a browser
* * `textDecoder`: `TextDecoder` instance to use. Pass in `null` if running in a browser
*/
function Api(args) {
/** Holds information needed to serialize contract actions */
this.contracts = new Map();
/** Fetched abis */
this.cachedAbis = new Map();
this.rpc = args.rpc;
this.authorityProvider = args.authorityProvider || args.rpc;
this.abiProvider = args.abiProvider || args.rpc;
this.signatureProvider = args.signatureProvider;
this.chainId = args.chainId;
this.textEncoder = args.textEncoder;
this.textDecoder = args.textDecoder;
this.abiTypes = ser.getTypesFromAbi(ser.createInitialTypes(), abiAbi);
this.transactionTypes = ser.getTypesFromAbi(ser.createInitialTypes(), transactionAbi);
}
/** Decodes an abi as Uint8Array into json. */
Api.prototype.rawAbiToJson = function (rawAbi) {
var buffer = new ser.SerialBuffer({
textEncoder: this.textEncoder,
textDecoder: this.textDecoder,
array: rawAbi,
});
if (!ser.supportedAbiVersion(buffer.getString())) {
throw new Error('Unsupported abi version');
}
buffer.restartRead();
return this.abiTypes.get('abi_def').deserialize(buffer);
};
/** Encodes a json abi as Uint8Array. */
Api.prototype.jsonToRawAbi = function (jsonAbi) {
var buffer = new ser.SerialBuffer({
textEncoder: this.textEncoder,
textDecoder: this.textDecoder,
});
this.abiTypes.get('abi_def').serialize(buffer, jsonAbi);
if (!ser.supportedAbiVersion(buffer.getString())) {
throw new Error('Unsupported abi version');
}
return buffer.asUint8Array();
};
/** Get abi in both binary and structured forms. Fetch when needed. */
Api.prototype.getCachedAbi = function (accountName, reload) {
if (reload === void 0) { reload = false; }
return __awaiter(this, void 0, void 0, function () {
var cachedAbi, rawAbi, abi, e_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!reload && this.cachedAbis.get(accountName)) {
return [2 /*return*/, this.cachedAbis.get(accountName)];
}
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, this.abiProvider.getRawAbi(accountName)];
case 2:
rawAbi = (_a.sent()).abi;
abi = this.rawAbiToJson(rawAbi);
cachedAbi = { rawAbi: rawAbi, abi: abi };
return [3 /*break*/, 4];
case 3:
e_1 = _a.sent();
e_1.message = "fetching abi for " + accountName + ": " + e_1.message;
throw e_1;
case 4:
if (!cachedAbi) {
throw new Error("Missing abi for " + accountName);
}
this.cachedAbis.set(accountName, cachedAbi);
return [2 /*return*/, cachedAbi];
}
});
});
};
/** Get abi in structured form. Fetch when needed. */
Api.prototype.getAbi = function (accountName, reload) {
if (reload === void 0) { reload = false; }
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getCachedAbi(accountName, reload)];
case 1: return [2 /*return*/, (_a.sent()).abi];
}
});
});
};
/** Get abis needed by a transaction */
Api.prototype.getTransactionAbis = function (transaction, reload) {
if (reload === void 0) { reload = false; }
return __awaiter(this, void 0, void 0, function () {
var actions, accounts, uniqueAccounts, actionPromises;
var _this = this;
return __generator(this, function (_a) {
actions = (transaction.context_free_actions || []).concat(transaction.actions);
accounts = actions.map(function (action) { return action.account; });
uniqueAccounts = new Set(accounts);
actionPromises = __spreadArray([], __read(uniqueAccounts)).map(function (account) { return __awaiter(_this, void 0, void 0, function () {
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = {
accountName: account
};
return [4 /*yield*/, this.getCachedAbi(account, reload)];
case 1: return [2 /*return*/, (_a.abi = (_b.sent()).rawAbi,
_a)];
}
});
}); });
return [2 /*return*/, Promise.all(actionPromises)];
});
});
};
/** Get data needed to serialize actions in a contract */
Api.prototype.getContract = function (accountName, reload) {
if (reload === void 0) { reload = false; }
return __awaiter(this, void 0, void 0, function () {
var abi, types, actions, _a, _b, _c, name_1, type, result;
var e_2, _d;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
if (!reload && this.contracts.get(accountName)) {
return [2 /*return*/, this.contracts.get(accountName)];
}
return [4 /*yield*/, this.getAbi(accountName, reload)];
case 1:
abi = _e.sent();
types = ser.getTypesFromAbi(ser.createInitialTypes(), abi);
actions = new Map();
try {
for (_a = __values(abi.actions), _b = _a.next(); !_b.done; _b = _a.next()) {
_c = _b.value, name_1 = _c.name, type = _c.type;
actions.set(name_1, ser.getType(types, type));
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_b && !_b.done && (_d = _a.return)) _d.call(_a);
}
finally { if (e_2) throw e_2.error; }
}
result = { types: types, actions: actions };
this.contracts.set(accountName, result);
return [2 /*return*/, result];
}
});
});
};
/** Convert `value` to binary form. `type` must be a built-in abi type or in `transaction.abi.json`. */
Api.prototype.serialize = function (buffer, type, value) {
this.transactionTypes.get(type).serialize(buffer, value);
};
/** Convert data in `buffer` to structured form. `type` must be a built-in abi type or in `transaction.abi.json`. */
Api.prototype.deserialize = function (buffer, type) {
return this.transactionTypes.get(type).deserialize(buffer);
};
/** Convert a transaction to binary */
Api.prototype.serializeTransaction = function (transaction) {
var buffer = new ser.SerialBuffer({ textEncoder: this.textEncoder, textDecoder: this.textDecoder });
this.serialize(buffer, 'transaction', __assign({ max_net_usage_words: 0, max_cpu_usage_ms: 0, delay_sec: 0, context_free_actions: [], actions: [], transaction_extensions: [] }, transaction));
return buffer.asUint8Array();
};
/** Serialize context-free data */
Api.prototype.serializeContextFreeData = function (contextFreeData) {
var e_3, _a;
if (!contextFreeData || !contextFreeData.length) {
return null;
}
var buffer = new ser.SerialBuffer({ textEncoder: this.textEncoder, textDecoder: this.textDecoder });
buffer.pushVaruint32(contextFreeData.length);
try {
for (var contextFreeData_1 = __values(contextFreeData), contextFreeData_1_1 = contextFreeData_1.next(); !contextFreeData_1_1.done; contextFreeData_1_1 = contextFreeData_1.next()) {
var data = contextFreeData_1_1.value;
buffer.pushBytes(data);
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (contextFreeData_1_1 && !contextFreeData_1_1.done && (_a = contextFreeData_1.return)) _a.call(contextFreeData_1);
}
finally { if (e_3) throw e_3.error; }
}
return buffer.asUint8Array();
};
/** Convert a transaction from binary. Leaves actions in hex. */
Api.prototype.deserializeTransaction = function (transaction) {
var buffer = new ser.SerialBuffer({ textEncoder: this.textEncoder, textDecoder: this.textDecoder });
buffer.pushArray(transaction);
return this.deserialize(buffer, 'transaction');
};
/** Convert actions to hex */
Api.prototype.serializeActions = function (actions) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Promise.all(actions.map(function (_a) {
var account = _a.account, name = _a.name, authorization = _a.authorization, data = _a.data;
return __awaiter(_this, void 0, void 0, function () {
var contract;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.getContract(account)];
case 1:
contract = _b.sent();
return [2 /*return*/, ser.serializeAction(contract, account, name, authorization, data, this.textEncoder, this.textDecoder)];
}
});
});
}))];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/** Convert actions from hex */
Api.prototype.deserializeActions = function (actions) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Promise.all(actions.map(function (_a) {
var account = _a.account, name = _a.name, authorization = _a.authorization, data = _a.data;
return __awaiter(_this, void 0, void 0, function () {
var contract;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.getContract(account)];
case 1:
contract = _b.sent();
return [2 /*return*/, ser.deserializeAction(contract, account, name, authorization, data, this.textEncoder, this.textDecoder)];
}
});
});
}))];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/** Convert a transaction from binary. Also deserializes actions. */
Api.prototype.deserializeTransactionWithActions = function (transaction) {
return __awaiter(this, void 0, void 0, function () {
var deserializedTransaction, deserializedCFActions, deserializedActions;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (typeof transaction === 'string') {
transaction = ser.hexToUint8Array(transaction);
}
deserializedTransaction = this.deserializeTransaction(transaction);
return [4 /*yield*/, this.deserializeActions(deserializedTransaction.context_free_actions)];
case 1:
deserializedCFActions = _a.sent();
return [4 /*yield*/, this.deserializeActions(deserializedTransaction.actions)];
case 2:
deserializedActions = _a.sent();
return [2 /*return*/, __assign(__assign({}, deserializedTransaction), { context_free_actions: deserializedCFActions, actions: deserializedActions })];
}
});
});
};
/** Deflate a serialized object */
Api.prototype.deflateSerializedArray = function (serializedArray) {
return pako_1.deflate(serializedArray, { level: 9 });
};
/** Inflate a compressed serialized object */
Api.prototype.inflateSerializedArray = function (compressedSerializedArray) {
return pako_1.inflate(compressedSerializedArray);
};
/**
* Create and optionally broadcast a transaction.
*
* Named Parameters:
* `broadcast`: broadcast this transaction?
* `sign`: sign this transaction?
* `compression`: compress this transaction?
*
* If both `blocksBehind` and `expireSeconds` are present,
* then fetch the block which is `blocksBehind` behind head block,
* use it as a reference for TAPoS, and expire the transaction `expireSeconds` after that block's time.
*
* If both `useLastIrreversible` and `expireSeconds` are present,
* then fetch the last irreversible block, use it as a reference for TAPoS,
* and expire the transaction `expireSeconds` after that block's time.
*
* @returns node response if `broadcast`, `{signatures, serializedTransaction}` if `!broadcast`
*/
Api.prototype.transact = function (transaction, _a) {
var _b = _a === void 0 ? {} : _a, _c = _b.broadcast, broadcast = _c === void 0 ? true : _c, _d = _b.sign, sign = _d === void 0 ? true : _d, compression = _b.compression, blocksBehind = _b.blocksBehind, useLastIrreversible = _b.useLastIrreversible, expireSeconds = _b.expireSeconds;
return __awaiter(this, void 0, void 0, function () {
var info, abis, _e, serializedTransaction, serializedContextFreeData, pushTransactionArgs, availableKeys, requiredKeys;
var _f;
return __generator(this, function (_g) {
switch (_g.label) {
case 0:
if (typeof blocksBehind === 'number' && useLastIrreversible) {
throw new Error('Use either blocksBehind or useLastIrreversible');
}
if (!!this.chainId) return [3 /*break*/, 2];
return [4 /*yield*/, this.rpc.get_info()];
case 1:
info = _g.sent();
this.chainId = info.chain_id;
_g.label = 2;
case 2:
if (!((typeof blocksBehind === 'number' || useLastIrreversible) && expireSeconds)) return [3 /*break*/, 4];
return [4 /*yield*/, this.generateTapos(info, transaction, blocksBehind, useLastIrreversible, expireSeconds)];
case 3:
transaction = _g.sent();
_g.label = 4;
case 4:
if (!this.hasRequiredTaposFields(transaction)) {
throw new Error('Required configuration or TAPOS fields are not present');
}
return [4 /*yield*/, this.getTransactionAbis(transaction)];
case 5:
abis = _g.sent();
_e = [__assign({}, transaction)];
_f = {};
return [4 /*yield*/, this.serializeActions(transaction.context_free_actions || [])];
case 6:
_f.context_free_actions = _g.sent();
return [4 /*yield*/, this.serializeActions(transaction.actions)];
case 7:
transaction = __assign.apply(void 0, _e.concat([(_f.actions = _g.sent(), _f)]));
serializedTransaction = this.serializeTransaction(transaction);
serializedContextFreeData = this.serializeContextFreeData(transaction.context_free_data);
pushTransactionArgs = {
serializedTransaction: serializedTransaction, serializedContextFreeData: serializedContextFreeData,
signatures: []
};
if (!sign) return [3 /*break*/, 11];
return [4 /*yield*/, this.signatureProvider.getAvailableKeys()];
case 8:
availableKeys = _g.sent();
return [4 /*yield*/, this.authorityProvider.getRequiredKeys({ transaction: transaction, availableKeys: availableKeys })];
case 9:
requiredKeys = _g.sent();
return [4 /*yield*/, this.signatureProvider.sign({
chainId: this.chainId,
requiredKeys: requiredKeys,
serializedTransaction: serializedTransaction,
serializedContextFreeData: serializedContextFreeData,
abis: abis,
})];
case 10:
pushTransactionArgs = _g.sent();
_g.label = 11;
case 11:
if (broadcast) {
if (compression) {
return [2 /*return*/, this.pushCompressedSignedTransaction(pushTransactionArgs)];
}
return [2 /*return*/, this.pushSignedTransaction(pushTransactionArgs)];
}
return [2 /*return*/, pushTransactionArgs];
}
});
});
};
/** Broadcast a signed transaction */
Api.prototype.pushSignedTransaction = function (_a) {
var signatures = _a.signatures, serializedTransaction = _a.serializedTransaction, serializedContextFreeData = _a.serializedContextFreeData;
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_b) {
return [2 /*return*/, this.rpc.push_transaction({
signatures: signatures,
serializedTransaction: serializedTransaction,
serializedContextFreeData: serializedContextFreeData
})];
});
});
};
Api.prototype.pushCompressedSignedTransaction = function (_a) {
var signatures = _a.signatures, serializedTransaction = _a.serializedTransaction, serializedContextFreeData = _a.serializedContextFreeData;
return __awaiter(this, void 0, void 0, function () {
var compressedSerializedTransaction, compressedSerializedContextFreeData;
return __generator(this, function (_b) {
compressedSerializedTransaction = this.deflateSerializedArray(serializedTransaction);
compressedSerializedContextFreeData = this.deflateSerializedArray(serializedContextFreeData || new Uint8Array(0));
return [2 /*return*/, this.rpc.push_transaction({
signatures: signatures,
compression: 1,
serializedTransaction: compressedSerializedTransaction,
serializedContextFreeData: compressedSerializedContextFreeData
})];
});
});
};
Api.prototype.generateTapos = function (info, transaction, blocksBehind, useLastIrreversible, expireSeconds) {
return __awaiter(this, void 0, void 0, function () {
var taposBlockNumber, refBlock, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!!info) return [3 /*break*/, 2];
return [4 /*yield*/, this.rpc.get_info()];
case 1:
info = _b.sent();
_b.label = 2;
case 2:
taposBlockNumber = useLastIrreversible
? info.last_irreversible_block_num : info.head_block_num - blocksBehind;
if (!(taposBlockNumber <= info.last_irreversible_block_num)) return [3 /*break*/, 4];
return [4 /*yield*/, this.rpc.get_block(taposBlockNumber)];
case 3:
_a = _b.sent();
return [3 /*break*/, 6];
case 4: return [4 /*yield*/, this.tryGetBlockHeaderState(taposBlockNumber)];
case 5:
_a = _b.sent();
_b.label = 6;
case 6:
refBlock = _a;
return [2 /*return*/, __assign(__assign({}, ser.transactionHeader(refBlock, expireSeconds)), transaction)];
}
});
});
};
// eventually break out into TransactionValidator class
Api.prototype.hasRequiredTaposFields = function (_a) {
var expiration = _a.expiration, ref_block_num = _a.ref_block_num, ref_block_prefix = _a.ref_block_prefix;
return !!(expiration && typeof (ref_block_num) === 'number' && typeof (ref_block_prefix) === 'number');
};
Api.prototype.tryGetBlockHeaderState = function (taposBlockNumber) {
return __awaiter(this, void 0, void 0, function () {
var error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 4]);
return [4 /*yield*/, this.rpc.get_block_header_state(taposBlockNumber)];
case 1: return [2 /*return*/, _a.sent()];
case 2:
error_1 = _a.sent();
return [4 /*yield*/, this.rpc.get_block(taposBlockNumber)];
case 3: return [2 /*return*/, _a.sent()];
case 4: return [2 /*return*/];
}
});
});
};
return Api;
}()); // Api
exports.Api = Api;
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