Added optional blockTag to call; note that this may not behave as expected on all nodes (#226).

_version.d.ts

@@ -1 +1 @@
-export declare const version = "4.0.2";
+export declare const version = "4.0.4";

_version.js

@@ -1,3 +1,3 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.version = "4.0.2";
+exports.version = "4.0.4";

contract.d.ts

@@ -21,6 +21,12 @@ export interface Event extends Log {
     getTransaction: () => Promise<TransactionResponse>;
     getTransactionReceipt: () => Promise<TransactionReceipt>;
 }
+export interface ContractReceipt extends TransactionReceipt {
+    events?: Array<Event>;
+}
+export interface ContractTransaction extends TransactionResponse {
+    wait(confirmations?: number): Promise<ContractReceipt>;
+}
 export declare class VoidSigner extends Signer {
     readonly address: string;
     constructor(address: string, provider: Provider);

contract.js

@@ -106,6 +106,7 @@ function resolveAddresses(provider, value, paramType) {
 function runMethod(contract, functionName, estimateOnly) {
     var method = contract.interface.functions[functionName];
     return function () {
+        var _this = this;
         var params = [];
         for (var _i = 0; _i < arguments.length; _i++) {
             params[_i] = arguments[_i];
@@ -206,7 +207,36 @@ function runMethod(contract, functionName, estimateOnly) {
                 if (tx.from != null) {
                     errors.throwError('cannot override from in a transaction', errors.UNSUPPORTED_OPERATION, { operation: 'sendTransaction' });
                 }
-                return contract.signer.sendTransaction(tx);
+                return contract.signer.sendTransaction(tx).then(function (tx) {
+                    var wait = tx.wait.bind(tx);
+                    tx.wait = function (confirmations) {
+                        return wait(confirmations).then(function (receipt) {
+                            receipt.events = receipt.logs.map(function (log) {
+                                var event = properties_1.deepCopy(log);
+                                var parsed = _this.interface.parseLog(log);
+                                if (parsed) {
+                                    event.args = parsed.values;
+                                    event.decode = parsed.decode;
+                                    event.event = parsed.name;
+                                    event.eventSignature = parsed.signature;
+                                }
+                                event.removeListener = function () { return _this.provider; };
+                                event.getBlock = function () {
+                                    return _this.provider.getBlock(receipt.blockHash);
+                                };
+                                event.getTransaction = function () {
+                                    return _this.provider.getTransaction(receipt.transactionHash);
+                                };
+                                event.getTransactionReceipt = function () {
+                                    return Promise.resolve(receipt);
+                                };
+                                return event;
+                            });
+                            return receipt;
+                        });
+                    };
+                    return tx;
+                });
             }
             throw new Error('invalid type - ' + method.type);
             return null;

dist/ethers.js

@@ -1,7 +1,7 @@
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.ethers = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.version = "4.0.2";
+exports.version = "4.0.4";
 
 },{}],2:[function(require,module,exports){
 "use strict";
@@ -154,6 +154,7 @@ function resolveAddresses(provider, value, paramType) {
 function runMethod(contract, functionName, estimateOnly) {
     var method = contract.interface.functions[functionName];
     return function () {
+        var _this = this;
         var params = [];
         for (var _i = 0; _i < arguments.length; _i++) {
             params[_i] = arguments[_i];
@@ -254,7 +255,36 @@ function runMethod(contract, functionName, estimateOnly) {
                 if (tx.from != null) {
                     errors.throwError('cannot override from in a transaction', errors.UNSUPPORTED_OPERATION, { operation: 'sendTransaction' });
                 }
-                return contract.signer.sendTransaction(tx);
+                return contract.signer.sendTransaction(tx).then(function (tx) {
+                    var wait = tx.wait.bind(tx);
+                    tx.wait = function (confirmations) {
+                        return wait(confirmations).then(function (receipt) {
+                            receipt.events = receipt.logs.map(function (log) {
+                                var event = properties_1.deepCopy(log);
+                                var parsed = _this.interface.parseLog(log);
+                                if (parsed) {
+                                    event.args = parsed.values;
+                                    event.decode = parsed.decode;
+                                    event.event = parsed.name;
+                                    event.eventSignature = parsed.signature;
+                                }
+                                event.removeListener = function () { return _this.provider; };
+                                event.getBlock = function () {
+                                    return _this.provider.getBlock(receipt.blockHash);
+                                };
+                                event.getTransaction = function () {
+                                    return _this.provider.getTransaction(receipt.transactionHash);
+                                };
+                                event.getTransactionReceipt = function () {
+                                    return Promise.resolve(receipt);
+                                };
+                                return event;
+                            });
+                            return receipt;
+                        });
+                    };
+                    return tx;
+                });
             }
             throw new Error('invalid type - ' + method.type);
             return null;
@@ -9958,6 +9988,7 @@ var formatTransaction = {
     blockHash: allowNull(checkHash, null),
     blockNumber: allowNull(checkNumber, null),
     transactionIndex: allowNull(checkNumber, null),
+    confirmations: allowNull(checkNumber, null),
     from: address_1.getAddress,
     gasPrice: bignumber_1.bigNumberify,
     gasLimit: bignumber_1.bigNumberify,
@@ -10086,6 +10117,7 @@ var formatTransactionReceipt = {
     transactionHash: checkHash,
     logs: arrayOf(checkTransactionReceiptLog),
     blockNumber: checkNumber,
+    confirmations: allowNull(checkNumber, null),
     cumulativeGasUsed: bignumber_1.bigNumberify,
     status: allowNull(checkNumber)
 };
@@ -10196,6 +10228,11 @@ function getEventTag(eventName) {
     }
     throw new Error('invalid event - ' + eventName);
 }
+//////////////////////////////
+// Helper Object
+function getTime() {
+    return (new Date()).getTime();
+}
 var BaseProvider = /** @class */ (function (_super) {
     __extends(BaseProvider, _super);
     function BaseProvider(network) {
@@ -10228,11 +10265,13 @@ var BaseProvider = /** @class */ (function (_super) {
         // until we get a response. This provides devs with a consistent view. Similarly for
         // transaction hashes.
         _this._emitted = { block: _this._lastBlockNumber };
+        _this._fastQueryDate = 0;
         return _this;
     }
     BaseProvider.prototype._doPoll = function () {
         var _this = this;
         this.getBlockNumber().then(function (blockNumber) {
+            _this._setFastBlockNumber(blockNumber);
             // If the block hasn't changed, meh.
             if (blockNumber === _this._lastBlockNumber) {
                 return;
@@ -10382,13 +10421,44 @@ var BaseProvider = /** @class */ (function (_super) {
         enumerable: true,
         configurable: true
     });
+    BaseProvider.prototype._getFastBlockNumber = function () {
+        var _this = this;
+        var now = getTime();
+        // Stale block number, request a newer value
+        if ((now - this._fastQueryDate) > 2 * this._pollingInterval) {
+            this._fastQueryDate = now;
+            this._fastBlockNumberPromise = this.getBlockNumber().then(function (blockNumber) {
+                if (_this._fastBlockNumber == null || blockNumber > _this._fastBlockNumber) {
+                    _this._fastBlockNumber = blockNumber;
+                }
+                return _this._fastBlockNumber;
+            });
+        }
+        return this._fastBlockNumberPromise;
+    };
+    BaseProvider.prototype._setFastBlockNumber = function (blockNumber) {
+        // Older block, maybe a stale request
+        if (this._fastBlockNumber != null && blockNumber < this._fastBlockNumber) {
+            return;
+        }
+        // Update the time we updated the blocknumber
+        this._fastQueryDate = getTime();
+        // Newer block number, use  it
+        if (this._fastBlockNumber == null || blockNumber > this._fastBlockNumber) {
+            this._fastBlockNumber = blockNumber;
+            this._fastBlockNumberPromise = Promise.resolve(blockNumber);
+        }
+    };
     // @TODO: Add .poller which must be an event emitter with a 'start', 'stop' and 'block' event;
     //        this will be used once we move to the WebSocket or other alternatives to polling
-    BaseProvider.prototype.waitForTransaction = function (transactionHash, timeout) {
+    BaseProvider.prototype.waitForTransaction = function (transactionHash, confirmations) {
         var _this = this;
+        if (!confirmations) {
+            confirmations = 1;
+        }
         return web_1.poll(function () {
             return _this.getTransactionReceipt(transactionHash).then(function (receipt) {
-                if (receipt == null) {
+                if (receipt == null || receipt.confirmations < confirmations) {
                     return undefined;
                 }
                 return receipt;
@@ -10403,6 +10473,7 @@ var BaseProvider = /** @class */ (function (_super) {
                 if (value != result) {
                     throw new Error('invalid response - getBlockNumber');
                 }
+                _this._setFastBlockNumber(value);
                 return value;
             });
         });
@@ -10496,7 +10567,7 @@ var BaseProvider = /** @class */ (function (_super) {
     // This should be called by any subclass wrapping a TransactionResponse
     BaseProvider.prototype._wrapTransaction = function (tx, hash) {
         var _this = this;
-        if (bytes_1.hexDataLength(hash) !== 32) {
+        if (hash != null && bytes_1.hexDataLength(hash) !== 32) {
             throw new Error('invalid response - sendTransaction');
         }
         var result = tx;
@@ -10506,11 +10577,11 @@ var BaseProvider = /** @class */ (function (_super) {
         }
         this._emitted['t:' + tx.hash] = 'pending';
         // @TODO: (confirmations? number, timeout? number)
-        result.wait = function () {
-            return _this.waitForTransaction(hash).then(function (receipt) {
+        result.wait = function (confirmations) {
+            return _this.waitForTransaction(tx.hash, confirmations).then(function (receipt) {
                 if (receipt.status === 0) {
                     errors.throwError('transaction failed', errors.CALL_EXCEPTION, {
-                        transactionHash: hash,
+                        transactionHash: tx.hash,
                         transaction: tx
                     });
                 }
@@ -10612,7 +10683,22 @@ var BaseProvider = /** @class */ (function (_super) {
                             }
                             return undefined;
                         }
-                        return BaseProvider.checkTransactionResponse(result);
+                        var tx = BaseProvider.checkTransactionResponse(result);
+                        if (tx.blockNumber == null) {
+                            tx.confirmations = 0;
+                        }
+                        else if (tx.confirmations == null) {
+                            return _this._getFastBlockNumber().then(function (blockNumber) {
+                                // Add the confirmations using the fast block number (pessimistic)
+                                var confirmations = (blockNumber - tx.blockNumber) + 1;
+                                if (confirmations <= 0) {
+                                    confirmations = 1;
+                                }
+                                tx.confirmations = confirmations;
+                                return _this._wrapTransaction(tx);
+                            });
+                        }
+                        return _this._wrapTransaction(tx);
                     });
                 }, { onceBlock: _this });
             });
@@ -10632,7 +10718,26 @@ var BaseProvider = /** @class */ (function (_super) {
                             }
                             return undefined;
                         }
-                        return checkTransactionReceipt(result);
+                        // "geth-etc" returns receipts before they are ready
+                        if (result.blockHash == null) {
+                            return undefined;
+                        }
+                        var receipt = checkTransactionReceipt(result);
+                        if (receipt.blockNumber == null) {
+                            receipt.confirmations = 0;
+                        }
+                        else if (receipt.confirmations == null) {
+                            return _this._getFastBlockNumber().then(function (blockNumber) {
+                                // Add the confirmations using the fast block number (pessimistic)
+                                var confirmations = (blockNumber - receipt.blockNumber) + 1;
+                                if (confirmations <= 0) {
+                                    confirmations = 1;
+                                }
+                                receipt.confirmations = confirmations;
+                                return receipt;
+                            });
+                        }
+                        return receipt;
                     });
                 }, { onceBlock: _this });
             });
@@ -11035,17 +11140,19 @@ var EtherscanProvider = /** @class */ (function (_super) {
                 url += '/api?module=proxy&action=eth_sendRawTransaction&hex=' + params.signedTransaction;
                 url += apiKey;
                 return web_1.fetchJson(url, null, getJsonResult).catch(function (error) {
-                    // "Insufficient funds. The account you tried to send transaction from does not have enough funds. Required 21464000000000 and got: 0"
-                    if (error.responseText.toLowerCase().indexOf('insufficient funds') >= 0) {
-                        errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {});
-                    }
-                    // "Transaction with the same hash was already imported."
-                    if (error.responseText.indexOf('same hash was already imported') >= 0) {
-                        errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {});
-                    }
-                    // "Transaction gas price is too low. There is another transaction with same nonce in the queue. Try increasing the gas price or incrementing the nonce."
-                    if (error.responseText.indexOf('another transaction with same nonce') >= 0) {
-                        errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {});
+                    if (error.responseText) {
+                        // "Insufficient funds. The account you tried to send transaction from does not have enough funds. Required 21464000000000 and got: 0"
+                        if (error.responseText.toLowerCase().indexOf('insufficient funds') >= 0) {
+                            errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {});
+                        }
+                        // "Transaction with the same hash was already imported."
+                        if (error.responseText.indexOf('same hash was already imported') >= 0) {
+                            errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {});
+                        }
+                        // "Transaction gas price is too low. There is another transaction with same nonce in the queue. Try increasing the gas price or incrementing the nonce."
+                        if (error.responseText.indexOf('another transaction with same nonce') >= 0) {
+                            errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {});
+                        }
                     }
                     throw error;
                 });
@@ -11532,21 +11639,23 @@ var JsonRpcSigner = /** @class */ (function (_super) {
                     throw error;
                 });
             }, function (error) {
-                // See: JsonRpcProvider.sendTransaction (@TODO: Expose a ._throwError??)
-                if (error.responseText.indexOf('insufficient funds') >= 0) {
-                    errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {
-                        transaction: tx
-                    });
-                }
-                if (error.responseText.indexOf('nonce too low') >= 0) {
-                    errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {
-                        transaction: tx
-                    });
-                }
-                if (error.responseText.indexOf('replacement transaction underpriced') >= 0) {
-                    errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {
-                        transaction: tx
-                    });
+                if (error.responseText) {
+                    // See: JsonRpcProvider.sendTransaction (@TODO: Expose a ._throwError??)
+                    if (error.responseText.indexOf('insufficient funds') >= 0) {
+                        errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {
+                            transaction: tx
+                        });
+                    }
+                    if (error.responseText.indexOf('nonce too low') >= 0) {
+                        errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {
+                            transaction: tx
+                        });
+                    }
+                    if (error.responseText.indexOf('replacement transaction underpriced') >= 0) {
+                        errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {
+                            transaction: tx
+                        });
+                    }
                 }
                 throw error;
             });
@@ -11645,17 +11754,19 @@ var JsonRpcProvider = /** @class */ (function (_super) {
                 return this.send('eth_getStorageAt', [getLowerCase(params.address), params.position, params.blockTag]);
             case 'sendTransaction':
                 return this.send('eth_sendRawTransaction', [params.signedTransaction]).catch(function (error) {
-                    // "insufficient funds for gas * price + value"
-                    if (error.responseText.indexOf('insufficient funds') > 0) {
-                        errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {});
-                    }
-                    // "nonce too low"
-                    if (error.responseText.indexOf('nonce too low') > 0) {
-                        errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {});
-                    }
-                    // "replacement transaction underpriced"
-                    if (error.responseText.indexOf('replacement transaction underpriced') > 0) {
-                        errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {});
+                    if (error.responseText) {
+                        // "insufficient funds for gas * price + value"
+                        if (error.responseText.indexOf('insufficient funds') > 0) {
+                            errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {});
+                        }
+                        // "nonce too low"
+                        if (error.responseText.indexOf('nonce too low') > 0) {
+                            errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {});
+                        }
+                        // "replacement transaction underpriced"
+                        if (error.responseText.indexOf('replacement transaction underpriced') > 0) {
+                            errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {});
+                        }
                     }
                     throw error;
                 });
@@ -13504,6 +13615,7 @@ var HDNode = /** @class */ (function () {
         properties_1.defineReadOnly(this, 'keyPair', new secp256k1_1.KeyPair(privateKey));
         properties_1.defineReadOnly(this, 'privateKey', this.keyPair.privateKey);
         properties_1.defineReadOnly(this, 'publicKey', this.keyPair.compressedPublicKey);
+        properties_1.defineReadOnly(this, 'address', secp256k1_1.computeAddress(this.publicKey));
         properties_1.defineReadOnly(this, 'chainCode', bytes_1.hexlify(chainCode));
         properties_1.defineReadOnly(this, 'index', index);
         properties_1.defineReadOnly(this, 'depth', depth);
@@ -15964,6 +16076,9 @@ function fetchJson(connection, json, processFunc) {
                 // @TODO: not any!
                 var error = new Error('invalid response - ' + request.status);
                 error.statusCode = request.status;
+                if (request.responseText) {
+                    error.responseText = request.responseText;
+                }
                 reject(error);
                 return;
             }

dist/ethers.types.txt

@@ -17,9 +17,9 @@ declare module 'ethers/ethers' {
     import * as wordlists from 'ethers/wordlists';
     import { platform } from 'ethers/utils/shims';
     import { version } from 'ethers/_version';
-    import { ContractFunction, Event, EventFilter } from 'ethers/contract';
+    import { ContractFunction, ContractTransaction, Event, EventFilter } from 'ethers/contract';
     function getDefaultProvider(network?: utils.Network | string): providers.BaseProvider;
-    export { Signer, Wallet, VoidSigner, getDefaultProvider, providers, Contract, ContractFactory, constants, errors, utils, wordlists, platform, version, ContractFunction, Event, EventFilter };
+    export { Signer, Wallet, VoidSigner, getDefaultProvider, providers, Contract, ContractFactory, constants, errors, utils, wordlists, platform, version, ContractFunction, ContractTransaction, Event, EventFilter };
 }
 
 declare module 'ethers/contract' {
@@ -46,6 +46,12 @@ declare module 'ethers/contract' {
         getTransaction: () => Promise<TransactionResponse>;
         getTransactionReceipt: () => Promise<TransactionReceipt>;
     }
+    export interface ContractReceipt extends TransactionReceipt {
+        events?: Array<Event>;
+    }
+    export interface ContractTransaction extends TransactionResponse {
+        wait(confirmations?: number): Promise<ContractReceipt>;
+    }
     export class VoidSigner extends Signer {
         readonly address: string;
         constructor(address: string, provider: Provider);
@@ -146,7 +152,7 @@ declare module 'ethers/wallet' {
                 *  Static methods to create Wallet instances.
                 */
             static createRandom(options?: any): Wallet;
-            static fromEncryptedJson(json: string, password: Arrayish, progressCallback: ProgressCallback): Promise<Wallet>;
+            static fromEncryptedJson(json: string, password: Arrayish, progressCallback?: ProgressCallback): Promise<Wallet>;
             static fromMnemonic(mnemonic: string, path?: string, wordlist?: Wordlist): Wallet;
     }
 }
@@ -254,7 +260,7 @@ declare module 'ethers/utils/shims' {
 }
 
 declare module 'ethers/_version' {
-    export const version = "4.0.2";
+    export const version = "4.0.4";
 }
 
 declare module 'ethers/utils/bignumber' {
@@ -482,6 +488,7 @@ declare module 'ethers/providers/abstract-provider' {
         transactionHash?: string;
         logs?: Array<Log>;
         blockNumber?: number;
+        confirmations?: number;
         cumulativeGasUsed?: BigNumber;
         byzantium: boolean;
         status?: number;
@@ -500,9 +507,10 @@ declare module 'ethers/providers/abstract-provider' {
         blockNumber?: number;
         blockHash?: string;
         timestamp?: number;
+        confirmations: number;
         from: string;
         raw?: string;
-        wait: (timeout?: number) => Promise<TransactionReceipt>;
+        wait: (confirmations?: number) => Promise<TransactionReceipt>;
     }
     export type EventType = string | Array<string> | Filter;
     export type Listener = (...args: Array<any>) => void;
@@ -614,6 +622,7 @@ declare module 'ethers/utils/hdnode' {
     export class HDNode {
         readonly privateKey: string;
         readonly publicKey: string;
+        readonly address: string;
         readonly mnemonic: string;
         readonly path: string;
         readonly chainCode: string;
@@ -721,7 +730,9 @@ declare module 'ethers/providers/base-provider' {
         readonly blockNumber: number;
         polling: boolean;
         pollingInterval: number;
-        waitForTransaction(transactionHash: string, timeout?: number): Promise<TransactionReceipt>;
+        _getFastBlockNumber(): Promise<number>;
+        _setFastBlockNumber(blockNumber: number): void;
+        waitForTransaction(transactionHash: string, confirmations?: number): Promise<TransactionReceipt>;
         getBlockNumber(): Promise<number>;
         getGasPrice(): Promise<BigNumber>;
         getBalance(addressOrName: string | Promise<string>, blockTag?: BlockTag | Promise<BlockTag>): Promise<BigNumber>;

ethers.d.ts

@@ -8,6 +8,6 @@ import * as utils from './utils';
 import * as wordlists from './wordlists';
 import { platform } from './utils/shims';
 import { version } from './_version';
-import { ContractFunction, Event, EventFilter } from './contract';
+import { ContractFunction, ContractTransaction, Event, EventFilter } from './contract';
 declare function getDefaultProvider(network?: utils.Network | string): providers.BaseProvider;
-export { Signer, Wallet, VoidSigner, getDefaultProvider, providers, Contract, ContractFactory, constants, errors, utils, wordlists, platform, version, ContractFunction, Event, EventFilter };
+export { Signer, Wallet, VoidSigner, getDefaultProvider, providers, Contract, ContractFactory, constants, errors, utils, wordlists, platform, version, ContractFunction, ContractTransaction, Event, EventFilter };

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "ethers",
-  "version": "4.0.1",
+  "version": "4.0.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ethers",
-  "version": "4.0.2",
+  "version": "4.0.4",
   "description": "Ethereum wallet library.",
   "main": "./index.js",
   "types": "./index.d.ts",

providers/abstract-provider.d.ts

@@ -46,6 +46,7 @@ export interface TransactionReceipt {
     transactionHash?: string;
     logs?: Array<Log>;
     blockNumber?: number;
+    confirmations?: number;
     cumulativeGasUsed?: BigNumber;
     byzantium: boolean;
     status?: number;
@@ -64,9 +65,10 @@ export interface TransactionResponse extends Transaction {
     blockNumber?: number;
     blockHash?: string;
     timestamp?: number;
+    confirmations: number;
     from: string;
     raw?: string;
-    wait: (timeout?: number) => Promise<TransactionReceipt>;
+    wait: (confirmations?: number) => Promise<TransactionReceipt>;
 }
 export declare type EventType = string | Array<string> | Filter;
 export declare type Listener = (...args: Array<any>) => void;

providers/base-provider.d.ts

@@ -12,6 +12,9 @@ export declare class BaseProvider extends Provider {
     private _poller;
     private _lastBlockNumber;
     private _balances;
+    private _fastBlockNumber;
+    private _fastBlockNumberPromise;
+    private _fastQueryDate;
     /**
      *  ready
      *
@@ -30,7 +33,9 @@ export declare class BaseProvider extends Provider {
     readonly blockNumber: number;
     polling: boolean;
     pollingInterval: number;
-    waitForTransaction(transactionHash: string, timeout?: number): Promise<TransactionReceipt>;
+    _getFastBlockNumber(): Promise<number>;
+    _setFastBlockNumber(blockNumber: number): void;
+    waitForTransaction(transactionHash: string, confirmations?: number): Promise<TransactionReceipt>;
     getBlockNumber(): Promise<number>;
     getGasPrice(): Promise<BigNumber>;
     getBalance(addressOrName: string | Promise<string>, blockTag?: BlockTag | Promise<BlockTag>): Promise<BigNumber>;

providers/base-provider.js

@@ -150,6 +150,7 @@ var formatTransaction = {
     blockHash: allowNull(checkHash, null),
     blockNumber: allowNull(checkNumber, null),
     transactionIndex: allowNull(checkNumber, null),
+    confirmations: allowNull(checkNumber, null),
     from: address_1.getAddress,
     gasPrice: bignumber_1.bigNumberify,
     gasLimit: bignumber_1.bigNumberify,
@@ -278,6 +279,7 @@ var formatTransactionReceipt = {
     transactionHash: checkHash,
     logs: arrayOf(checkTransactionReceiptLog),
     blockNumber: checkNumber,
+    confirmations: allowNull(checkNumber, null),
     cumulativeGasUsed: bignumber_1.bigNumberify,
     status: allowNull(checkNumber)
 };
@@ -388,6 +390,11 @@ function getEventTag(eventName) {
     }
     throw new Error('invalid event - ' + eventName);
 }
+//////////////////////////////
+// Helper Object
+function getTime() {
+    return (new Date()).getTime();
+}
 var BaseProvider = /** @class */ (function (_super) {
     __extends(BaseProvider, _super);
     function BaseProvider(network) {
@@ -420,11 +427,13 @@ var BaseProvider = /** @class */ (function (_super) {
         // until we get a response. This provides devs with a consistent view. Similarly for
         // transaction hashes.
         _this._emitted = { block: _this._lastBlockNumber };
+        _this._fastQueryDate = 0;
         return _this;
     }
     BaseProvider.prototype._doPoll = function () {
         var _this = this;
         this.getBlockNumber().then(function (blockNumber) {
+            _this._setFastBlockNumber(blockNumber);
             // If the block hasn't changed, meh.
             if (blockNumber === _this._lastBlockNumber) {
                 return;
@@ -574,13 +583,44 @@ var BaseProvider = /** @class */ (function (_super) {
         enumerable: true,
         configurable: true
     });
+    BaseProvider.prototype._getFastBlockNumber = function () {
+        var _this = this;
+        var now = getTime();
+        // Stale block number, request a newer value
+        if ((now - this._fastQueryDate) > 2 * this._pollingInterval) {
+            this._fastQueryDate = now;
+            this._fastBlockNumberPromise = this.getBlockNumber().then(function (blockNumber) {
+                if (_this._fastBlockNumber == null || blockNumber > _this._fastBlockNumber) {
+                    _this._fastBlockNumber = blockNumber;
+                }
+                return _this._fastBlockNumber;
+            });
+        }
+        return this._fastBlockNumberPromise;
+    };
+    BaseProvider.prototype._setFastBlockNumber = function (blockNumber) {
+        // Older block, maybe a stale request
+        if (this._fastBlockNumber != null && blockNumber < this._fastBlockNumber) {
+            return;
+        }
+        // Update the time we updated the blocknumber
+        this._fastQueryDate = getTime();
+        // Newer block number, use  it
+        if (this._fastBlockNumber == null || blockNumber > this._fastBlockNumber) {
+            this._fastBlockNumber = blockNumber;
+            this._fastBlockNumberPromise = Promise.resolve(blockNumber);
+        }
+    };
     // @TODO: Add .poller which must be an event emitter with a 'start', 'stop' and 'block' event;
     //        this will be used once we move to the WebSocket or other alternatives to polling
-    BaseProvider.prototype.waitForTransaction = function (transactionHash, timeout) {
+    BaseProvider.prototype.waitForTransaction = function (transactionHash, confirmations) {
         var _this = this;
+        if (!confirmations) {
+            confirmations = 1;
+        }
         return web_1.poll(function () {
             return _this.getTransactionReceipt(transactionHash).then(function (receipt) {
-                if (receipt == null) {
+                if (receipt == null || receipt.confirmations < confirmations) {
                     return undefined;
                 }
                 return receipt;
@@ -595,6 +635,7 @@ var BaseProvider = /** @class */ (function (_super) {
                 if (value != result) {
                     throw new Error('invalid response - getBlockNumber');
                 }
+                _this._setFastBlockNumber(value);
                 return value;
             });
         });
@@ -688,7 +729,7 @@ var BaseProvider = /** @class */ (function (_super) {
     // This should be called by any subclass wrapping a TransactionResponse
     BaseProvider.prototype._wrapTransaction = function (tx, hash) {
         var _this = this;
-        if (bytes_1.hexDataLength(hash) !== 32) {
+        if (hash != null && bytes_1.hexDataLength(hash) !== 32) {
             throw new Error('invalid response - sendTransaction');
         }
         var result = tx;
@@ -698,11 +739,11 @@ var BaseProvider = /** @class */ (function (_super) {
         }
         this._emitted['t:' + tx.hash] = 'pending';
         // @TODO: (confirmations? number, timeout? number)
-        result.wait = function () {
-            return _this.waitForTransaction(hash).then(function (receipt) {
+        result.wait = function (confirmations) {
+            return _this.waitForTransaction(tx.hash, confirmations).then(function (receipt) {
                 if (receipt.status === 0) {
                     errors.throwError('transaction failed', errors.CALL_EXCEPTION, {
-                        transactionHash: hash,
+                        transactionHash: tx.hash,
                         transaction: tx
                     });
                 }
@@ -804,7 +845,22 @@ var BaseProvider = /** @class */ (function (_super) {
                             }
                             return undefined;
                         }
-                        return BaseProvider.checkTransactionResponse(result);
+                        var tx = BaseProvider.checkTransactionResponse(result);
+                        if (tx.blockNumber == null) {
+                            tx.confirmations = 0;
+                        }
+                        else if (tx.confirmations == null) {
+                            return _this._getFastBlockNumber().then(function (blockNumber) {
+                                // Add the confirmations using the fast block number (pessimistic)
+                                var confirmations = (blockNumber - tx.blockNumber) + 1;
+                                if (confirmations <= 0) {
+                                    confirmations = 1;
+                                }
+                                tx.confirmations = confirmations;
+                                return _this._wrapTransaction(tx);
+                            });
+                        }
+                        return _this._wrapTransaction(tx);
                     });
                 }, { onceBlock: _this });
             });
@@ -824,7 +880,26 @@ var BaseProvider = /** @class */ (function (_super) {
                             }
                             return undefined;
                         }
-                        return checkTransactionReceipt(result);
+                        // "geth-etc" returns receipts before they are ready
+                        if (result.blockHash == null) {
+                            return undefined;
+                        }
+                        var receipt = checkTransactionReceipt(result);
+                        if (receipt.blockNumber == null) {
+                            receipt.confirmations = 0;
+                        }
+                        else if (receipt.confirmations == null) {
+                            return _this._getFastBlockNumber().then(function (blockNumber) {
+                                // Add the confirmations using the fast block number (pessimistic)
+                                var confirmations = (blockNumber - receipt.blockNumber) + 1;
+                                if (confirmations <= 0) {
+                                    confirmations = 1;
+                                }
+                                receipt.confirmations = confirmations;
+                                return receipt;
+                            });
+                        }
+                        return receipt;
                     });
                 }, { onceBlock: _this });
             });

providers/etherscan-provider.js

@@ -147,17 +147,19 @@ var EtherscanProvider = /** @class */ (function (_super) {
                 url += '/api?module=proxy&action=eth_sendRawTransaction&hex=' + params.signedTransaction;
                 url += apiKey;
                 return web_1.fetchJson(url, null, getJsonResult).catch(function (error) {
-                    // "Insufficient funds. The account you tried to send transaction from does not have enough funds. Required 21464000000000 and got: 0"
-                    if (error.responseText.toLowerCase().indexOf('insufficient funds') >= 0) {
-                        errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {});
-                    }
-                    // "Transaction with the same hash was already imported."
-                    if (error.responseText.indexOf('same hash was already imported') >= 0) {
-                        errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {});
-                    }
-                    // "Transaction gas price is too low. There is another transaction with same nonce in the queue. Try increasing the gas price or incrementing the nonce."
-                    if (error.responseText.indexOf('another transaction with same nonce') >= 0) {
-                        errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {});
+                    if (error.responseText) {
+                        // "Insufficient funds. The account you tried to send transaction from does not have enough funds. Required 21464000000000 and got: 0"
+                        if (error.responseText.toLowerCase().indexOf('insufficient funds') >= 0) {
+                            errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {});
+                        }
+                        // "Transaction with the same hash was already imported."
+                        if (error.responseText.indexOf('same hash was already imported') >= 0) {
+                            errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {});
+                        }
+                        // "Transaction gas price is too low. There is another transaction with same nonce in the queue. Try increasing the gas price or incrementing the nonce."
+                        if (error.responseText.indexOf('another transaction with same nonce') >= 0) {
+                            errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {});
+                        }
                     }
                     throw error;
                 });

providers/json-rpc-provider.js

@@ -132,21 +132,23 @@ var JsonRpcSigner = /** @class */ (function (_super) {
                     throw error;
                 });
             }, function (error) {
-                // See: JsonRpcProvider.sendTransaction (@TODO: Expose a ._throwError??)
-                if (error.responseText.indexOf('insufficient funds') >= 0) {
-                    errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {
-                        transaction: tx
-                    });
-                }
-                if (error.responseText.indexOf('nonce too low') >= 0) {
-                    errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {
-                        transaction: tx
-                    });
-                }
-                if (error.responseText.indexOf('replacement transaction underpriced') >= 0) {
-                    errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {
-                        transaction: tx
-                    });
+                if (error.responseText) {
+                    // See: JsonRpcProvider.sendTransaction (@TODO: Expose a ._throwError??)
+                    if (error.responseText.indexOf('insufficient funds') >= 0) {
+                        errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {
+                            transaction: tx
+                        });
+                    }
+                    if (error.responseText.indexOf('nonce too low') >= 0) {
+                        errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {
+                            transaction: tx
+                        });
+                    }
+                    if (error.responseText.indexOf('replacement transaction underpriced') >= 0) {
+                        errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {
+                            transaction: tx
+                        });
+                    }
                 }
                 throw error;
             });
@@ -245,17 +247,19 @@ var JsonRpcProvider = /** @class */ (function (_super) {
                 return this.send('eth_getStorageAt', [getLowerCase(params.address), params.position, params.blockTag]);
             case 'sendTransaction':
                 return this.send('eth_sendRawTransaction', [params.signedTransaction]).catch(function (error) {
-                    // "insufficient funds for gas * price + value"
-                    if (error.responseText.indexOf('insufficient funds') > 0) {
-                        errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {});
-                    }
-                    // "nonce too low"
-                    if (error.responseText.indexOf('nonce too low') > 0) {
-                        errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {});
-                    }
-                    // "replacement transaction underpriced"
-                    if (error.responseText.indexOf('replacement transaction underpriced') > 0) {
-                        errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {});
+                    if (error.responseText) {
+                        // "insufficient funds for gas * price + value"
+                        if (error.responseText.indexOf('insufficient funds') > 0) {
+                            errors.throwError('insufficient funds', errors.INSUFFICIENT_FUNDS, {});
+                        }
+                        // "nonce too low"
+                        if (error.responseText.indexOf('nonce too low') > 0) {
+                            errors.throwError('nonce has already been used', errors.NONCE_EXPIRED, {});
+                        }
+                        // "replacement transaction underpriced"
+                        if (error.responseText.indexOf('replacement transaction underpriced') > 0) {
+                            errors.throwError('replacement fee too low', errors.REPLACEMENT_UNDERPRICED, {});
+                        }
                     }
                     throw error;
                 });

src.ts/_version.ts

@@ -1 +1 @@
-export const version = "4.0.2";
+export const version = "4.0.4";

src.ts/contract.ts

@@ -16,7 +16,7 @@ import { UnsignedTransaction } from './utils/transaction';
 ///////////////////////////////
 // Imported Abstracts
 
-import { Provider } from './providers/abstract-provider';
+import { BlockTag, Provider } from './providers/abstract-provider';
 import { Signer } from './abstract-signer';
 
 ///////////////////////////////
@@ -148,14 +148,21 @@ type RunFunction = (...params: Array<any>) => Promise<any>;
 function runMethod(contract: Contract, functionName: string, estimateOnly: boolean): RunFunction {
     let method = contract.interface.functions[functionName];
     return function(...params): Promise<any> {
-        var tx: any = {}
+        let tx: any = {}
+
+        let blockTag: BlockTag = null;
 
         // If 1 extra parameter was passed in, it contains overrides
         if (params.length === method.inputs.length + 1 && typeof(params[params.length - 1]) === 'object') {
             tx = shallowCopy(params.pop());
 
+            if (tx.blockTag != null) {
+                blockTag = tx.blockTag;
+                delete tx.blockTag;
+            }
+
             // Check for unexpected keys (e.g. using "gas" instead of "gasLimit")
-            for (var key in tx) {
+            for (let key in tx) {
                 if (!allowedTransactionKeys[key]) {
                     throw new Error('unknown transaction override ' + key);
                 }
@@ -202,7 +209,7 @@ function runMethod(contract: Contract, functionName: string, estimateOnly: boole
                     tx.from = contract.signer.getAddress()
                 }
 
-                return contract.provider.call(tx).then((value) => {
+                return contract.provider.call(tx, blockTag).then((value) => {
 
                     if ((hexDataLength(value) % 32) === 4 && hexDataSlice(value, 0, 4) === '0x08c379a0') {
                         let reason = defaultAbiCoder.decode([ 'string' ], hexDataSlice(value, 4));

src.ts/providers/abstract-provider.ts

@@ -125,7 +125,7 @@ export abstract class Provider implements OnceBlockable {
     abstract getStorageAt(addressOrName: string | Promise<string>, position: BigNumberish | Promise<BigNumberish>, blockTag?: BlockTag | Promise<BlockTag>): Promise<string>;
 
     abstract sendTransaction(signedTransaction: string | Promise<string>): Promise<TransactionResponse>;
-    abstract call(transaction: TransactionRequest): Promise<string>;
+    abstract call(transaction: TransactionRequest, blockTag?: BlockTag | Promise<BlockTag>): Promise<string>;
     abstract estimateGas(transaction: TransactionRequest): Promise<BigNumber>;
 
     abstract getBlock(blockHashOrBlockTag: BlockTag | string | Promise<BlockTag | string>, includeTransactions?: boolean): Promise<Block>;

src.ts/providers/base-provider.ts

@@ -850,12 +850,12 @@ export class BaseProvider extends Provider {
     }
 
 
-    call(transaction: TransactionRequest): Promise<string> {
+    call(transaction: TransactionRequest, blockTag?: BlockTag | Promise<BlockTag>): Promise<string> {
         let tx: TransactionRequest = shallowCopy(transaction);
         return this.ready.then(() => {
-            return resolveProperties(tx).then((tx) => {
+            return resolveProperties({ blockTag: blockTag, tx: tx }).then(({ blockTag, tx }) => {
                 return this._resolveNames(tx, [ 'to', 'from' ]).then((tx) => {
-                    var params = { transaction: checkTransactionRequest(tx) };
+                    let params = { blockTag: checkBlockTag(blockTag), transaction: checkTransactionRequest(tx) };
                     return this.perform('call', params).then((result) => {
                         return hexlify(result);
                     });

src.ts/providers/etherscan-provider.ts

@@ -108,9 +108,7 @@ export class EtherscanProvider extends BaseProvider{
 
 
     perform(method: string, params: any) {
-        //if (!params) { params = {}; }
-
-        var url = this.baseUrl;
+        let url = this.baseUrl;
 
         let apiKey = '';
         if (this.apiKey) { apiKey += '&apikey=' + this.apiKey; }
@@ -118,7 +116,7 @@ export class EtherscanProvider extends BaseProvider{
         switch (method) {
             case 'getBlockNumber':
                 url += '/api?module=proxy&action=eth_blockNumber' + apiKey;
-            return fetchJson(url, null, getJsonResult);
+                return fetchJson(url, null, getJsonResult);
 
             case 'getGasPrice':
                 url += '/api?module=proxy&action=eth_gasPrice' + apiKey;
@@ -193,19 +191,25 @@ export class EtherscanProvider extends BaseProvider{
                 return fetchJson(url, null, getJsonResult);
 
 
-            case 'call':
-                var transaction = getTransactionString(params.transaction);
+            case 'call': {
+                let transaction = getTransactionString(params.transaction);
                 if (transaction) { transaction = '&' + transaction; }
                 url += '/api?module=proxy&action=eth_call' + transaction;
+                //url += '&tag=' + params.blockTag + apiKey;
+                if (params.blockTag !== 'latest') {
+                    throw new Error('EtherscanProvider does not support blockTag for call');
+                }
                 url += apiKey;
                 return fetchJson(url, null, getJsonResult);
+            }
 
-            case 'estimateGas':
-                var transaction = getTransactionString(params.transaction);
+            case 'estimateGas': {
+                let transaction = getTransactionString(params.transaction);
                 if (transaction) { transaction = '&' + transaction; }
                 url += '/api?module=proxy&action=eth_estimateGas&' + transaction;
                 url += apiKey;
                 return fetchJson(url, null, getJsonResult);
+            }
 
             case 'getLogs':
                 url += '/api?module=logs&action=getLogs';
@@ -227,7 +231,7 @@ export class EtherscanProvider extends BaseProvider{
                         if (params.filter.topics.length > 1) {
                             throw new Error('unsupported topic format');
                         }
-                        var topic0 = params.filter.topics[0];
+                        let topic0 = params.filter.topics[0];
                         if (typeof(topic0) !== 'string' || topic0.length !== 66) {
                             throw new Error('unsupported topic0 format');
                         }

src.ts/providers/json-rpc-provider.ts

@@ -176,6 +176,10 @@ export class JsonRpcSigner extends Signer {
     }
 }
 
+const allowedTransactionKeys: { [ key: string ]: boolean } = {
+    chainId: true, data: true, gasLimit: true, gasPrice:true, nonce: true, to: true, value: true
+}
+
 export class JsonRpcProvider extends BaseProvider {
     readonly connection: ConnectionInfo;
 
@@ -300,10 +304,10 @@ export class JsonRpcProvider extends BaseProvider {
                 return this.send('eth_getTransactionReceipt', [ params.transactionHash ]);
 
             case 'call':
-                return this.send('eth_call', [ JsonRpcProvider.hexlifyTransaction(params.transaction), 'latest' ]);
+                return this.send('eth_call', [ JsonRpcProvider.hexlifyTransaction(params.transaction, { from: true }), params.blockTag ]);
 
             case 'estimateGas':
-                return this.send('eth_estimateGas', [ JsonRpcProvider.hexlifyTransaction(params.transaction) ]);
+                return this.send('eth_estimateGas', [ JsonRpcProvider.hexlifyTransaction(params.transaction, { from: true }) ]);
 
             case 'getLogs':
                 if (params.filter && params.filter.address != null) {
@@ -369,9 +373,22 @@ export class JsonRpcProvider extends BaseProvider {
     //  - gasLimit => gas
     //  - All values hexlified
     //  - All numeric values zero-striped
-    // @TODO: Not any, a dictionary of string to strings
-    static hexlifyTransaction(transaction: TransactionRequest): any {
-        var result: any = {};
+    // NOTE: This allows a TransactionRequest, but all values should be resolved
+    //       before this is called
+    static hexlifyTransaction(transaction: TransactionRequest, allowExtra?: { [key: string]: boolean }): { [key: string]: string } {
+        if (!allowExtra) { allowExtra = {}; }
+
+        for (let key in transaction) {
+            if (!allowedTransactionKeys[key] && !allowExtra[key]) {
+                errors.throwError('invalid key - ' + key, errors.INVALID_ARGUMENT, {
+                    argument: 'transaction',
+                    value: transaction,
+                    key: key
+                });
+            }
+        }
+
+        let result: { [key: string]: string } = {};
 
         // Some nodes (INFURA ropsten; INFURA mainnet is fine) don't like extra zeros.
         ['gasLimit', 'gasPrice', 'nonce', 'value'].forEach(function(key) {
@@ -384,7 +401,7 @@ export class JsonRpcProvider extends BaseProvider {
         ['from', 'to', 'data'].forEach(function(key) {
             if ((<any>transaction)[key] == null) { return; }
             result[key] = hexlify((<any>transaction)[key]);
-         });
+        });
 
         return result;
     }

src.ts/utils/hdnode.ts

@@ -19,7 +19,7 @@ import { toUtf8Bytes, UnicodeNormalizationForm } from './utf8';
 import { pbkdf2 } from './pbkdf2';
 import { computeHmac, SupportedAlgorithms } from './hmac';
 import { defineReadOnly, isType, setType } from './properties';
-import { KeyPair } from './secp256k1';
+import { computeAddress, KeyPair } from './secp256k1';
 import { sha256 } from './sha2';
 
 const N = bigNumberify("0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141");
@@ -54,6 +54,8 @@ export class HDNode {
     readonly privateKey: string;
     readonly publicKey: string;
 
+    readonly address: string;
+
     readonly mnemonic: string;
     readonly path: string;
 
@@ -81,6 +83,8 @@ export class HDNode {
         defineReadOnly(this, 'privateKey', this.keyPair.privateKey);
         defineReadOnly(this, 'publicKey', this.keyPair.compressedPublicKey);
 
+        defineReadOnly(this, 'address', computeAddress(this.publicKey));
+
         defineReadOnly(this, 'chainCode', hexlify(chainCode));
 
         defineReadOnly(this, 'index', index);

src.ts/wallet.ts

@@ -24,6 +24,9 @@ import { BlockTag, TransactionRequest, TransactionResponse } from './providers/a
 
 import * as errors from './errors';
 
+const allowedTransactionKeys: { [ key: string ]: boolean } = {
+    chainId: true, data: true, gasLimit: true, gasPrice:true, nonce: true, to: true, value: true
+}
 
 export class Wallet extends AbstractSigner {
 
@@ -69,6 +72,15 @@ export class Wallet extends AbstractSigner {
     }
 
     sign(transaction: TransactionRequest): Promise<string> {
+        for (let key in transaction) {
+            if (!allowedTransactionKeys[key]) {
+                errors.throwError('unsupported transaction property - ' + key, errors.INVALID_ARGUMENT, {
+                    argument: 'transaction',
+                    value: transaction,
+                    key: key
+                });
+            }
+        }
         return resolveProperties(transaction).then((tx) => {
             let rawTx = serializeTransaction(tx);
             let signature = this.signingKey.signDigest(keccak256(rawTx));
@@ -98,17 +110,12 @@ export class Wallet extends AbstractSigner {
             throw new Error('invalid transaction object');
         }
 
-        var tx = shallowCopy(transaction);
+        let tx = shallowCopy(transaction);
 
         if (tx.to != null) {
             tx.to = this.provider.resolveName(tx.to);
         }
 
-        if (tx.gasLimit == null) {
-            tx.from = this.getAddress();
-            tx.gasLimit = this.provider.estimateGas(tx);
-        }
-
         if (tx.gasPrice == null) {
             tx.gasPrice = this.provider.getGasPrice();
         }
@@ -117,6 +124,12 @@ export class Wallet extends AbstractSigner {
             tx.nonce = this.getTransactionCount();
         }
 
+        if (tx.gasLimit == null) {
+            let estimate = shallowCopy(tx);
+            estimate.from = this.getAddress();
+            tx.gasLimit = this.provider.estimateGas(estimate);
+        }
+
         if (tx.chainId == null) {
             tx.chainId = this.provider.getNetwork().then((network) => network.chainId);
         }
@@ -165,7 +178,7 @@ export class Wallet extends AbstractSigner {
         return Wallet.fromMnemonic(mnemonic, options.path, options.locale);
     }
 
-    static fromEncryptedJson(json: string, password: Arrayish, progressCallback: ProgressCallback): Promise<Wallet> {
+    static fromEncryptedJson(json: string, password: Arrayish, progressCallback?: ProgressCallback): Promise<Wallet> {
         if (isCrowdsaleWallet(json)) {
             try {
                 if (progressCallback) { progressCallback(0); }

tests/test-hdnode.js

@@ -22,6 +22,8 @@ describe('Test HD Node Derivation', function(test) {
                 var wallet = new ethers.Wallet(node.privateKey);
                 assert.equal(wallet.address.toLowerCase(), nodeTest.address,
                     'Generates address - ' + nodeTest.privateKey);
+
+                assert.equal(node.address, (new ethers.Wallet(node)).address, 'HDNode address matches - ' + nodeTest.privateKey);
             });
         });
     });
@@ -64,6 +66,8 @@ function testEasySeed(lang, locale) {
 }
 
 testEasySeed(ethers.wordlists.en, 'en');
+testEasySeed(ethers.wordlists.es, 'es');
+testEasySeed(ethers.wordlists.fr, 'fr');
 testEasySeed(ethers.wordlists.ja, 'ja');
 testEasySeed(ethers.wordlists.zh_cn, 'zh_cn');
 testEasySeed(ethers.wordlists.zh_tw, 'zh_tw');

utils/hdnode.d.ts

@@ -5,6 +5,7 @@ export declare class HDNode {
     private readonly keyPair;
     readonly privateKey: string;
     readonly publicKey: string;
+    readonly address: string;
     readonly mnemonic: string;
     readonly path: string;
     readonly chainCode: string;

utils/hdnode.js

@@ -54,6 +54,7 @@ var HDNode = /** @class */ (function () {
         properties_1.defineReadOnly(this, 'keyPair', new secp256k1_1.KeyPair(privateKey));
         properties_1.defineReadOnly(this, 'privateKey', this.keyPair.privateKey);
         properties_1.defineReadOnly(this, 'publicKey', this.keyPair.compressedPublicKey);
+        properties_1.defineReadOnly(this, 'address', secp256k1_1.computeAddress(this.publicKey));
         properties_1.defineReadOnly(this, 'chainCode', bytes_1.hexlify(chainCode));
         properties_1.defineReadOnly(this, 'index', index);
         properties_1.defineReadOnly(this, 'depth', depth);

utils/web.js

@@ -82,6 +82,9 @@ function fetchJson(connection, json, processFunc) {
                 // @TODO: not any!
                 var error = new Error('invalid response - ' + request.status);
                 error.statusCode = request.status;
+                if (request.responseText) {
+                    error.responseText = request.responseText;
+                }
                 reject(error);
                 return;
             }

wallet.d.ts

@@ -30,6 +30,6 @@ export declare class Wallet extends AbstractSigner {
      *  Static methods to create Wallet instances.
      */
     static createRandom(options?: any): Wallet;
-    static fromEncryptedJson(json: string, password: Arrayish, progressCallback: ProgressCallback): Promise<Wallet>;
+    static fromEncryptedJson(json: string, password: Arrayish, progressCallback?: ProgressCallback): Promise<Wallet>;
     static fromMnemonic(mnemonic: string, path?: string, wordlist?: Wordlist): Wallet;
 }