From e94aa421c69b8eee2f2e06654f9a288cdfe4f546 Mon Sep 17 00:00:00 2001 From: "Daniel A. Nagy" Date: Fri, 8 May 2015 16:17:19 +0200 Subject: [PATCH 1/6] New API call for signatures. --- rpc/api.go | 11 +++++++++++ rpc/args.go | 5 +++++ xeth/xeth.go | 21 +++++++++++++++++++++ 3 files changed, 37 insertions(+) diff --git a/rpc/api.go b/rpc/api.go index 6ba0d93e25..28ba41c86e 100644 --- a/rpc/api.go +++ b/rpc/api.go @@ -158,6 +158,17 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err v := api.xethAtStateNum(args.BlockNumber).CodeAtBytes(args.Address) *reply = newHexData(v) + case "eth_sign": + args := new(NewSigArgs) + if err := json.Unmarshal(req.Params, &args); err != nil { + return err + } + v, err := api.xeth.Sign(args.From, args.Data) + if err != nil { + return err + } + *reply = v + case "eth_sendTransaction", "eth_transact": args := new(NewTxArgs) if err := json.Unmarshal(req.Params, &args); err != nil { diff --git a/rpc/args.go b/rpc/args.go index 58a7504158..6c98d12672 100644 --- a/rpc/args.go +++ b/rpc/args.go @@ -166,6 +166,11 @@ type NewTxArgs struct { BlockNumber int64 } +type NewSigArgs struct { + From string + Data string +} + func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) { var obj []json.RawMessage var ext struct { diff --git a/xeth/xeth.go b/xeth/xeth.go index ad85968030..2ca0e80d71 100644 --- a/xeth/xeth.go +++ b/xeth/xeth.go @@ -813,6 +813,27 @@ func (self *XEth) ConfirmTransaction(tx string) bool { return self.frontend.ConfirmTransaction(tx) } +func (self *XEth) Sign(fromStr, hashStr string) (string, error) { + var ( + from = common.HexToAddress(fromStr) + hash = common.HexToHash(hashStr) + ) + sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, hash) + if err == accounts.ErrLocked { + if didUnlock { + return fmt.Errorf("signer account still locked after successful unlock") + } + if !self.frontend.UnlockAccount(from.Bytes()) { + return fmt.Errorf("could not unlock signer account") + } + // retry signing, the account should now be unlocked. + return self.Sign(fromStr, hashStr) + } else if err != nil { + return err + } + return common.toHex(sig) +} + func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) { // this minimalistic recoding is enough (works for natspec.js) From a487396b764c8dac409f9ee1ef32c29c4cefb7d9 Mon Sep 17 00:00:00 2001 From: "Daniel A. Nagy" Date: Fri, 8 May 2015 16:36:13 +0200 Subject: [PATCH 2/6] eth_sign added to API for signing arbitrary data. --- rpc/api.go | 2 +- xeth/xeth.go | 14 +++++++------- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/rpc/api.go b/rpc/api.go index 28ba41c86e..7fab589f2d 100644 --- a/rpc/api.go +++ b/rpc/api.go @@ -163,7 +163,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err if err := json.Unmarshal(req.Params, &args); err != nil { return err } - v, err := api.xeth.Sign(args.From, args.Data) + v, err := api.xeth().Sign(args.From, args.Data, false) if err != nil { return err } diff --git a/xeth/xeth.go b/xeth/xeth.go index 2ca0e80d71..dc2d4f06f4 100644 --- a/xeth/xeth.go +++ b/xeth/xeth.go @@ -813,25 +813,25 @@ func (self *XEth) ConfirmTransaction(tx string) bool { return self.frontend.ConfirmTransaction(tx) } -func (self *XEth) Sign(fromStr, hashStr string) (string, error) { +func (self *XEth) Sign(fromStr, hashStr string, didUnlock bool) (string, error) { var ( from = common.HexToAddress(fromStr) hash = common.HexToHash(hashStr) ) - sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, hash) + sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, hash.Bytes()) if err == accounts.ErrLocked { if didUnlock { - return fmt.Errorf("signer account still locked after successful unlock") + return "", fmt.Errorf("signer account still locked after successful unlock") } if !self.frontend.UnlockAccount(from.Bytes()) { - return fmt.Errorf("could not unlock signer account") + return "", fmt.Errorf("could not unlock signer account") } // retry signing, the account should now be unlocked. - return self.Sign(fromStr, hashStr) + return self.Sign(fromStr, hashStr, true) } else if err != nil { - return err + return "", err } - return common.toHex(sig) + return common.ToHex(sig), nil } func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) { From 3a01e3e39b9ce83ecb7444319407ee8bb00e3bf6 Mon Sep 17 00:00:00 2001 From: "Daniel A. Nagy" Date: Fri, 8 May 2015 17:52:44 +0200 Subject: [PATCH 3/6] Signing (almost) works. --- jsre/ethereum_js.go | 3692 ++++++++++++++++++++++++++++++++++++++++++- rpc/args.go | 35 + rpc/jeth.go | 2 - 3 files changed, 3725 insertions(+), 4 deletions(-) diff --git a/jsre/ethereum_js.go b/jsre/ethereum_js.go index d236052e35..a61ffcbbf4 100644 --- a/jsre/ethereum_js.go +++ b/jsre/ethereum_js.go @@ -1,5 +1,3693 @@ package jsre const Ethereum_JS = ` -require=function t(e,r,n){function o(a,s){if(!r[a]){if(!e[a]){var u="function"==typeof require&&require;if(!s&&u)return u(a,!0);if(i)return i(a,!0);var c=new Error("Cannot find module '"+a+"'");throw c.code="MODULE_NOT_FOUND",c}var l=r[a]={exports:{}};e[a][0].call(l.exports,function(t){var r=e[a][1][t];return o(r?r:t)},l,l.exports,t,e,r,n)}return r[a].exports}for(var i="function"==typeof require&&require,a=0;a0&&console.warn("didn't found matching constructor, using default one"),"")};e.exports={inputParser:u,outputParser:c,formatInput:a,formatOutput:s,formatConstructorParams:l}},{"../utils/utils":8,"./coder":2,"./utils":5}],2:[function(t,e,r){var n=t("bignumber.js"),o=t("../utils/utils"),i=t("./formatters"),a=t("./param"),s=function(t){return"[]"===t.slice(-2)},u=function(t){this._name=t.name,this._match=t.match,this._mode=t.mode,this._inputFormatter=t.inputFormatter,this._outputFormatter=t.outputFormatter};u.prototype.isType=function(t){return"strict"===this._match?this._name===t||0===t.indexOf(this._name)&&"[]"===t.slice(this._name.length):"prefix"===this._match?0===t.indexOf(this._name):void 0},u.prototype.formatInput=function(t,e){if(o.isArray(t)&&e){var r=this;return t.map(function(t){return r._inputFormatter(t)}).reduce(function(t,e){return t.appendArrayElement(e),t},new a(i.formatInputInt(t.length).value))}return this._inputFormatter(t)},u.prototype.formatOutput=function(t,e){if(e){for(var r=[],o=new n(t.value,16),i=0;64*o>i;i+=64)r.push(this._outputFormatter(new a(t.suffix.slice(i,i+64))));return r}return this._outputFormatter(t)},u.prototype.isVariadicType=function(t){return s(t)||"bytes"===this._mode},u.prototype.shiftParam=function(t,e){if("bytes"===this._mode)return e.shiftBytes();if(s(t)){var r=new n(e.value.slice(0,64),16);return e.shiftArray(r)}return e.shiftValue()};var c=function(t){this._types=t};c.prototype._requireType=function(t){var e=this._types.filter(function(e){return e.isType(t)})[0];if(!e)throw Error("invalid solidity type!: "+t);return e},c.prototype._bytesToParam=function(t,e){var r=e.slice(0,64*t.length),n=e.slice(64*t.length);return new a(r,n)},c.prototype._formatInput=function(t,e){return this._requireType(t).formatInput(e,s(t))},c.prototype.encodeParam=function(t,e){return this._formatInput(t,e).encode()},c.prototype.encodeParams=function(t,e){var r=this;return t.map(function(t,n){return r._formatInput(t,e[n])}).reduce(function(t,e){return t.append(e),t},new a).encode()},c.prototype._formatOutput=function(t,e){return this._requireType(t).formatOutput(e,s(t))},c.prototype.decodeParam=function(t,e){return this._formatOutput(t,this._bytesToParam([t],e))},c.prototype.decodeParams=function(t,e){var r=this,n=this._bytesToParam(t,e);return t.map(function(t){var e=r._requireType(t),o=e.shiftParam(t,n);return e.formatOutput(o,s(t))})};var l=new c([new u({name:"address",match:"strict",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputAddress}),new u({name:"bool",match:"strict",mode:"value",inputFormatter:i.formatInputBool,outputFormatter:i.formatOutputBool}),new u({name:"int",match:"prefix",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputInt}),new u({name:"uint",match:"prefix",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputUInt}),new u({name:"bytes",match:"strict",mode:"bytes",inputFormatter:i.formatInputDynamicBytes,outputFormatter:i.formatOutputDynamicBytes}),new u({name:"bytes",match:"prefix",mode:"value",inputFormatter:i.formatInputBytes,outputFormatter:i.formatOutputBytes}),new u({name:"real",match:"prefix",mode:"value",inputFormatter:i.formatInputReal,outputFormatter:i.formatOutputReal}),new u({name:"ureal",match:"prefix",mode:"value",inputFormatter:i.formatInputReal,outputFormatter:i.formatOutputUReal})]);e.exports=l},{"../utils/utils":8,"./formatters":3,"./param":4,"bignumber.js":"bignumber.js"}],3:[function(t,e,r){var n=t("bignumber.js"),o=t("../utils/utils"),i=t("../utils/config"),a=t("./param"),s=function(t){var e=2*i.ETH_PADDING;n.config(i.ETH_BIGNUMBER_ROUNDING_MODE);var r=o.padLeft(o.toTwosComplement(t).round().toString(16),e);return new a(r)},u=function(t){var e=o.fromAscii(t,i.ETH_PADDING).substr(2);return new a(e)},c=function(t){var e=o.fromAscii(t,i.ETH_PADDING).substr(2);return new a(s(t.length).value,e)},l=function(t){var e="000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0");return new a(e)},p=function(t){return s(new n(t).times(new n(2).pow(128)))},f=function(t){return"1"===new n(t.substr(0,1),16).toString(2).substr(0,1)},m=function(t){var e=t.value||"0";return f(e)?new n(e,16).minus(new n("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new n(e,16)},h=function(t){var e=t.value||"0";return new n(e,16)},d=function(t){return m(t).dividedBy(new n(2).pow(128))},y=function(t){return h(t).dividedBy(new n(2).pow(128))},g=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t.value?!0:!1},v=function(t){return o.toAscii(t.value)},b=function(t){return o.toAscii(t.suffix)},w=function(t){var e=t.value;return"0x"+e.slice(e.length-40,e.length)};e.exports={formatInputInt:s,formatInputBytes:u,formatInputDynamicBytes:c,formatInputBool:l,formatInputReal:p,formatOutputInt:m,formatOutputUInt:h,formatOutputReal:d,formatOutputUReal:y,formatOutputBool:g,formatOutputBytes:v,formatOutputDynamicBytes:b,formatOutputAddress:w}},{"../utils/config":7,"../utils/utils":8,"./param":4,"bignumber.js":"bignumber.js"}],4:[function(t,e,r){var n=function(t,e){this.value=t||"",this.suffix=e||""};n.prototype.append=function(t){this.value+=t.value,this.suffix+=t.suffix},n.prototype.appendArrayElement=function(t){this.suffix+=t.value},n.prototype.encode=function(){return this.value+this.suffix},n.prototype.shiftValue=function(){var t=this.value.slice(0,64);return this.value=this.value.slice(64),new n(t)},n.prototype.shiftBytes=function(){return this.shiftArray(1)},n.prototype.shiftArray=function(t){var e=this.value.slice(0,64);this.value=this.value.slice(64);var r=this.suffix.slice(0,64*t);return this.suffix=this.suffix.slice(64*t),new n(e,r)},e.exports=n},{}],5:[function(t,e,r){var n=function(t,e){return t.filter(function(t){return"constructor"===t.type&&t.inputs.length===e})[0]};e.exports={getConstructor:n}},{}],6:[function(t,e,r){"use strict";r.XMLHttpRequest="undefined"==typeof XMLHttpRequest?{}:XMLHttpRequest},{}],7:[function(t,e,r){var n=t("bignumber.js"),o=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];e.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:o,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:n.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3,defaultBlock:"latest",defaultAccount:void 0}},{"bignumber.js":"bignumber.js"}],8:[function(t,e,r){var n=t("bignumber.js"),o={wei:"1",kwei:"1000",ada:"1000",mwei:"1000000",babbage:"1000000",gwei:"1000000000",shannon:"1000000000",szabo:"1000000000000",finney:"1000000000000000",ether:"1000000000000000000",kether:"1000000000000000000000",grand:"1000000000000000000000",einstein:"1000000000000000000000",mether:"1000000000000000000000000",gether:"1000000000000000000000000000",tether:"1000000000000000000000000000000"},i=function(t,e,r){return new Array(e-t.length+1).join(r?r:"0")+t},a=function(t){var e="",r=0,n=t.length;for("0x"===t.substring(0,2)&&(r=2);n>r;r+=2){var o=parseInt(t.substr(r,2),16);if(0===o)break;e+=String.fromCharCode(o)}return e},s=function(t){for(var e="",r=0;rthis._inputTypes.length&&i.isObject(t[t.length-1])&&(e=t.pop()),e.to=this._address,e.data="0x"+this.signature()+o.encodeParams(this._inputTypes,t),e},a.prototype.signature=function(){return n.sha3(n.fromAscii(this._name)).slice(2,10)},a.prototype.call=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments)),e=n.eth.call(t);e=e.length>=2?e.slice(2):e;var r=o.decodeParams(this._outputTypes,e);return 1===r.length?r[0]:r},a.prototype.sendTransaction=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments));n.eth.sendTransaction(t)},a.prototype.displayName=function(){return i.extractDisplayName(this._name)},a.prototype.typeName=function(){return i.extractTypeName(this._name)},a.prototype.execute=function(){var t=!this._constant;return t?this.sendTransaction.apply(this,Array.prototype.slice.call(arguments)):this.call.apply(this,Array.prototype.slice.call(arguments))},a.prototype.attachToContract=function(t){var e=this.execute.bind(this);e.call=this.call.bind(this),e.sendTransaction=this.sendTransaction.bind(this);var r=this.displayName();t[r]||(t[r]=e),t[r][this.typeName()]=e},e.exports=a},{"../solidity/coder":2,"../utils/utils":8,"../web3":10}],19:[function(t,e,r){"use strict";var n=t("xmlhttprequest").XMLHttpRequest,o=t("./errors"),i=function(t){this.host=t||"http://localhost:8545"};i.prototype.send=function(t){var e=new n;e.open("POST",this.host,!1);try{e.send(JSON.stringify(t))}catch(r){throw o.InvalidConnection(this.host)}return JSON.parse(e.responseText)},i.prototype.sendAsync=function(t,e){var r=new n;r.onreadystatechange=function(){4===r.readyState&&e(null,JSON.parse(r.responseText))},r.open("POST",this.host,!0);try{r.send(JSON.stringify(t))}catch(i){e(o.InvalidConnection(this.host))}},e.exports=i},{"./errors":13,xmlhttprequest:6}],20:[function(t,e,r){var n=function(){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,void(this.messageId=1))};n.getInstance=function(){var t=new n;return t},n.prototype.toPayload=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:this.messageId++}},n.prototype.isValidResponse=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},n.prototype.toBatchPayload=function(t){var e=this;return t.map(function(t){return e.toPayload(t.method,t.params)})},e.exports=n},{}],21:[function(t,e,r){var n=t("./requestmanager"),o=t("../utils/utils"),i=t("./errors"),a=function(t){this.name=t.name,this.call=t.call,this.params=t.params||0,this.inputFormatter=t.inputFormatter,this.outputFormatter=t.outputFormatter};a.prototype.getCall=function(t){return o.isFunction(this.call)?this.call(t):this.call},a.prototype.extractCallback=function(t){return o.isFunction(t[t.length-1])?t.pop():null},a.prototype.validateArgs=function(t){if(t.length!==this.params)throw i.InvalidNumberOfParams()},a.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter.map(function(e,r){return e?e(t[r]):t[r]}):t},a.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},a.prototype.attachToObject=function(t){var e=this.send.bind(this);e.call=this.call;var r=this.name.split(".");r.length>1?(t[r[0]]=t[r[0]]||{},t[r[0]][r[1]]=e):t[r[0]]=e},a.prototype.toPayload=function(t){var e=this.getCall(t),r=this.extractCallback(t),n=this.formatInput(t);return this.validateArgs(n),{method:e,params:n,callback:r}},a.prototype.send=function(){var t=this.toPayload(Array.prototype.slice.call(arguments));if(t.callback){var e=this;return n.getInstance().sendAsync(t,function(r,n){t.callback(null,e.formatOutput(n))})}return this.formatOutput(n.getInstance().send(t))},e.exports=a},{"../utils/utils":8,"./errors":13,"./requestmanager":25}],22:[function(t,e,r){var n=t("../utils/utils"),o=t("./property"),i=[],a=[new o({name:"listening",getter:"net_listening"}),new o({name:"peerCount",getter:"net_peerCount",outputFormatter:n.toDecimal})];e.exports={methods:i,properties:a}},{"../utils/utils":8,"./property":23}],23:[function(t,e,r){var n=t("./requestmanager"),o=function(t){this.name=t.name,this.getter=t.getter,this.setter=t.setter,this.outputFormatter=t.outputFormatter,this.inputFormatter=t.inputFormatter};o.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter(t):t},o.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},o.prototype.attachToObject=function(t){var e={get:this.get.bind(this),set:this.set.bind(this)},r=this.name.split(".");r.length>1?(t[r[0]]=t[r[0]]||{},Object.defineProperty(t[r[0]],r[1],e)):Object.defineProperty(t,r[0],e)},o.prototype.get=function(){return this.formatOutput(n.getInstance().send({method:this.getter}))},o.prototype.set=function(t){return n.getInstance().send({method:this.setter,params:[this.formatInput(t)]})},e.exports=o},{"./requestmanager":25}],24:[function(t,e,r){var n=function(){};n.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=n},{}],25:[function(t,e,r){var n=t("./jsonrpc"),o=t("../utils/utils"),i=t("../utils/config"),a=t("./errors"),s=function(t){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,this.provider=t,this.polls=[],this.timeout=null,void this.poll())};s.getInstance=function(){var t=new s;return t},s.prototype.send=function(t){if(!this.provider)return console.error(a.InvalidProvider()),null;var e=n.getInstance().toPayload(t.method,t.params),r=this.provider.send(e);if(!n.getInstance().isValidResponse(r))throw a.InvalidResponse(r);return r.result},s.prototype.sendAsync=function(t,e){if(!this.provider)return e(a.InvalidProvider());var r=n.getInstance().toPayload(t.method,t.params);this.provider.sendAsync(r,function(t,r){return t?e(t):n.getInstance().isValidResponse(r)?void e(null,r.result):e(a.InvalidResponse(r))})},s.prototype.setProvider=function(t){this.provider=t},s.prototype.startPolling=function(t,e,r,n){this.polls.push({data:t,id:e,callback:r,uninstall:n})},s.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var r=this.polls[e];r.id===t&&this.polls.splice(e,1)}},s.prototype.reset=function(){this.polls.forEach(function(t){t.uninstall(t.id)}),this.polls=[],this.timeout&&(clearTimeout(this.timeout),this.timeout=null),this.poll()},s.prototype.poll=function(){if(this.timeout=setTimeout(this.poll.bind(this),i.ETH_POLLING_TIMEOUT),this.polls.length){if(!this.provider)return void console.error(a.InvalidProvider());var t=n.getInstance().toBatchPayload(this.polls.map(function(t){return t.data})),e=this;this.provider.sendAsync(t,function(t,r){if(!t){if(!o.isArray(r))throw a.InvalidResponse(r);r.map(function(t,r){return t.callback=e.polls[r].callback,t}).filter(function(t){var e=n.getInstance().isValidResponse(t);return e||t.callback(a.InvalidResponse(t)),e}).filter(function(t){return o.isArray(t.result)&&t.result.length>0}).forEach(function(t){t.callback(null,t.result)})}})}},e.exports=s},{"../utils/config":7,"../utils/utils":8,"./errors":13,"./jsonrpc":20}],26:[function(t,e,r){var n=t("./method"),o=t("./formatters"),i=new n({name:"post",call:"shh_post",params:1,inputFormatter:[o.inputPostFormatter]}),a=new n({name:"newIdentity",call:"shh_newIdentity",params:0}),s=new n({name:"hasIdentity",call:"shh_hasIdentity",params:1}),u=new n({name:"newGroup",call:"shh_newGroup",params:0}),c=new n({name:"addToGroup",call:"shh_addToGroup",params:0}),l=[i,a,s,u,c];e.exports={methods:l}},{"./formatters":17,"./method":21}],27:[function(t,e,r){var n=t("./method"),o=function(){var t=function(t){return"string"==typeof t[0]?"eth_newBlockFilter":"eth_newFilter"},e=new n({name:"newFilter",call:t,params:1}),r=new n({name:"uninstallFilter",call:"eth_uninstallFilter",params:1}),o=new n({name:"getLogs",call:"eth_getFilterLogs",params:1}),i=new n({name:"poll",call:"eth_getFilterChanges",params:1});return[e,r,o,i]},i=function(){var t=new n({name:"newFilter",call:"shh_newFilter",params:1}),e=new n({name:"uninstallFilter", -call:"shh_uninstallFilter",params:1}),r=new n({name:"getLogs",call:"shh_getMessages",params:1}),o=new n({name:"poll",call:"shh_getFilterChanges",params:1});return[t,e,r,o]};e.exports={eth:o,shh:i}},{"./method":21}],28:[function(t,e,r){},{}],"bignumber.js":[function(t,e,r){"use strict";e.exports=BigNumber},{}],web3:[function(t,e,r){var n=t("./lib/web3");n.providers.HttpProvider=t("./lib/web3/httpprovider"),n.providers.QtSyncProvider=t("./lib/web3/qtsync"),n.eth.contract=t("./lib/web3/contract"),n.abi=t("./lib/solidity/abi"),"undefined"!=typeof window&&"undefined"==typeof window.web3&&(window.web3=n),e.exports=n},{"./lib/solidity/abi":1,"./lib/web3":10,"./lib/web3/contract":11,"./lib/web3/httpprovider":19,"./lib/web3/qtsync":24}]},{},["web3"]);` +require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o. +*/ +/** + * @file abi.js + * @author Marek Kotewicz + * @author Gav Wood + * @date 2014 + */ + +var utils = require('../utils/utils'); +var coder = require('./coder'); +var solUtils = require('./utils'); + +/** + * Formats input params to bytes + * + * @method formatInput + * @param {Array} abi inputs of method + * @param {Array} params that will be formatted to bytes + * @returns bytes representation of input params + */ +var formatInput = function (inputs, params) { + var i = inputs.map(function (input) { + return input.type; + }); + return coder.encodeParams(i, params); +}; + +/** + * Formats output bytes back to param list + * + * @method formatOutput + * @param {Array} abi outputs of method + * @param {String} bytes represention of output + * @returns {Array} output params + */ +var formatOutput = function (outs, bytes) { + var o = outs.map(function (out) { + return out.type; + }); + + return coder.decodeParams(o, bytes); +}; + +/** + * Should be called to create input parser for contract with given abi + * + * @method inputParser + * @param {Array} contract abi + * @returns {Object} input parser object for given json abi + * TODO: refactor creating the parser, do not double logic from contract + */ +var inputParser = function (json) { + var parser = {}; + json.forEach(function (method) { + var displayName = utils.extractDisplayName(method.name); + var typeName = utils.extractTypeName(method.name); + + var impl = function () { + var params = Array.prototype.slice.call(arguments); + return formatInput(method.inputs, params); + }; + + if (parser[displayName] === undefined) { + parser[displayName] = impl; + } + + parser[displayName][typeName] = impl; + }); + + return parser; +}; + +/** + * Should be called to create output parser for contract with given abi + * + * @method outputParser + * @param {Array} contract abi + * @returns {Object} output parser for given json abi + */ +var outputParser = function (json) { + var parser = {}; + json.forEach(function (method) { + + var displayName = utils.extractDisplayName(method.name); + var typeName = utils.extractTypeName(method.name); + + var impl = function (output) { + return formatOutput(method.outputs, output); + }; + + if (parser[displayName] === undefined) { + parser[displayName] = impl; + } + + parser[displayName][typeName] = impl; + }); + + return parser; +}; + +var formatConstructorParams = function (abi, params) { + var constructor = solUtils.getConstructor(abi, params.length); + if (!constructor) { + if (params.length > 0) { + console.warn("didn't found matching constructor, using default one"); + } + return ''; + } + return formatInput(constructor.inputs, params); +}; + +module.exports = { + inputParser: inputParser, + outputParser: outputParser, + formatInput: formatInput, + formatOutput: formatOutput, + formatConstructorParams: formatConstructorParams +}; + +},{"../utils/utils":8,"./coder":2,"./utils":5}],2:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file coder.js + * @author Marek Kotewicz + * @date 2015 + */ + +var BigNumber = require('bignumber.js'); +var utils = require('../utils/utils'); +var f = require('./formatters'); +var SolidityParam = require('./param'); + +/** + * Should be used to check if a type is an array type + * + * @method isArrayType + * @param {String} type + * @return {Bool} true is the type is an array, otherwise false + */ +var isArrayType = function (type) { + return type.slice(-2) === '[]'; +}; + +/** + * SolidityType prototype is used to encode/decode solidity params of certain type + */ +var SolidityType = function (config) { + this._name = config.name; + this._match = config.match; + this._mode = config.mode; + this._inputFormatter = config.inputFormatter; + this._outputFormatter = config.outputFormatter; +}; + +/** + * Should be used to determine if this SolidityType do match given type + * + * @method isType + * @param {String} name + * @return {Bool} true if type match this SolidityType, otherwise false + */ +SolidityType.prototype.isType = function (name) { + if (this._match === 'strict') { + return this._name === name || (name.indexOf(this._name) === 0 && name.slice(this._name.length) === '[]'); + } else if (this._match === 'prefix') { + // TODO better type detection! + return name.indexOf(this._name) === 0; + } +}; + +/** + * Should be used to transform plain param to SolidityParam object + * + * @method formatInput + * @param {Object} param - plain object, or an array of objects + * @param {Bool} arrayType - true if a param should be encoded as an array + * @return {SolidityParam} encoded param wrapped in SolidityParam object + */ +SolidityType.prototype.formatInput = function (param, arrayType) { + if (utils.isArray(param) && arrayType) { // TODO: should fail if this two are not the same + var self = this; + return param.map(function (p) { + return self._inputFormatter(p); + }).reduce(function (acc, current) { + acc.appendArrayElement(current); + return acc; + }, new SolidityParam(f.formatInputInt(param.length).value)); + } + return this._inputFormatter(param); +}; + +/** + * Should be used to transoform SolidityParam to plain param + * + * @method formatOutput + * @param {SolidityParam} byteArray + * @param {Bool} arrayType - true if a param should be decoded as an array + * @return {Object} plain decoded param + */ +SolidityType.prototype.formatOutput = function (param, arrayType) { + if (arrayType) { + // let's assume, that we solidity will never return long arrays :P + var result = []; + var length = new BigNumber(param.value, 16); + for (var i = 0; i < length * 64; i += 64) { + result.push(this._outputFormatter(new SolidityParam(param.suffix.slice(i, i + 64)))); + } + return result; + } + return this._outputFormatter(param); +}; + +/** + * Should be used to check if a type is variadic + * + * @method isVariadicType + * @param {String} type + * @returns {Bool} true if the type is variadic + */ +SolidityType.prototype.isVariadicType = function (type) { + return isArrayType(type) || this._mode === 'bytes'; +}; + +/** + * Should be used to shift param from params group + * + * @method shiftParam + * @param {String} type + * @returns {SolidityParam} shifted param + */ +SolidityType.prototype.shiftParam = function (type, param) { + if (this._mode === 'bytes') { + return param.shiftBytes(); + } else if (isArrayType(type)) { + var length = new BigNumber(param.value.slice(0, 64), 16); + return param.shiftArray(length); + } + return param.shiftValue(); +}; + +/** + * SolidityCoder prototype should be used to encode/decode solidity params of any type + */ +var SolidityCoder = function (types) { + this._types = types; +}; + +/** + * This method should be used to transform type to SolidityType + * + * @method _requireType + * @param {String} type + * @returns {SolidityType} + * @throws {Error} throws if no matching type is found + */ +SolidityCoder.prototype._requireType = function (type) { + var solidityType = this._types.filter(function (t) { + return t.isType(type); + })[0]; + + if (!solidityType) { + throw Error('invalid solidity type!: ' + type); + } + + return solidityType; +}; + +/** + * Should be used to transform plain bytes to SolidityParam object + * + * @method _bytesToParam + * @param {Array} types of params + * @param {String} bytes to be transformed to SolidityParam + * @return {SolidityParam} SolidityParam for this group of params + */ +SolidityCoder.prototype._bytesToParam = function (types, bytes) { + var value = bytes.slice(0, types.length * 64); + var suffix = bytes.slice(types.length * 64); + return new SolidityParam(value, suffix); +}; + +/** + * Should be used to transform plain param of given type to SolidityParam + * + * @method _formatInput + * @param {String} type of param + * @param {Object} plain param + * @return {SolidityParam} + */ +SolidityCoder.prototype._formatInput = function (type, param) { + return this._requireType(type).formatInput(param, isArrayType(type)); +}; + +/** + * Should be used to encode plain param + * + * @method encodeParam + * @param {String} type + * @param {Object} plain param + * @return {String} encoded plain param + */ +SolidityCoder.prototype.encodeParam = function (type, param) { + return this._formatInput(type, param).encode(); +}; + +/** + * Should be used to encode list of params + * + * @method encodeParams + * @param {Array} types + * @param {Array} params + * @return {String} encoded list of params + */ +SolidityCoder.prototype.encodeParams = function (types, params) { + var self = this; + return types.map(function (type, index) { + return self._formatInput(type, params[index]); + }).reduce(function (acc, solidityParam) { + acc.append(solidityParam); + return acc; + }, new SolidityParam()).encode(); +}; + +/** + * Should be used to transform SolidityParam to plain param + * + * @method _formatOutput + * @param {String} type + * @param {SolidityParam} param + * @return {Object} plain param + */ +SolidityCoder.prototype._formatOutput = function (type, param) { + return this._requireType(type).formatOutput(param, isArrayType(type)); +}; + +/** + * Should be used to decode bytes to plain param + * + * @method decodeParam + * @param {String} type + * @param {String} bytes + * @return {Object} plain param + */ +SolidityCoder.prototype.decodeParam = function (type, bytes) { + return this._formatOutput(type, this._bytesToParam([type], bytes)); +}; + +/** + * Should be used to decode list of params + * + * @method decodeParam + * @param {Array} types + * @param {String} bytes + * @return {Array} array of plain params + */ +SolidityCoder.prototype.decodeParams = function (types, bytes) { + var self = this; + var param = this._bytesToParam(types, bytes); + return types.map(function (type) { + var solidityType = self._requireType(type); + var p = solidityType.shiftParam(type, param); + return solidityType.formatOutput(p, isArrayType(type)); + }); +}; + +var coder = new SolidityCoder([ + new SolidityType({ + name: 'address', + match: 'strict', + mode: 'value', + inputFormatter: f.formatInputInt, + outputFormatter: f.formatOutputAddress + }), + new SolidityType({ + name: 'bool', + match: 'strict', + mode: 'value', + inputFormatter: f.formatInputBool, + outputFormatter: f.formatOutputBool + }), + new SolidityType({ + name: 'int', + match: 'prefix', + mode: 'value', + inputFormatter: f.formatInputInt, + outputFormatter: f.formatOutputInt, + }), + new SolidityType({ + name: 'uint', + match: 'prefix', + mode: 'value', + inputFormatter: f.formatInputInt, + outputFormatter: f.formatOutputUInt + }), + new SolidityType({ + name: 'bytes', + match: 'strict', + mode: 'bytes', + inputFormatter: f.formatInputDynamicBytes, + outputFormatter: f.formatOutputDynamicBytes + }), + new SolidityType({ + name: 'bytes', + match: 'prefix', + mode: 'value', + inputFormatter: f.formatInputBytes, + outputFormatter: f.formatOutputBytes + }), + new SolidityType({ + name: 'real', + match: 'prefix', + mode: 'value', + inputFormatter: f.formatInputReal, + outputFormatter: f.formatOutputReal + }), + new SolidityType({ + name: 'ureal', + match: 'prefix', + mode: 'value', + inputFormatter: f.formatInputReal, + outputFormatter: f.formatOutputUReal + }) +]); + +module.exports = coder; + + +},{"../utils/utils":8,"./formatters":3,"./param":4,"bignumber.js":"bignumber.js"}],3:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file formatters.js + * @author Marek Kotewicz + * @date 2015 + */ + +var BigNumber = require('bignumber.js'); +var utils = require('../utils/utils'); +var c = require('../utils/config'); +var SolidityParam = require('./param'); + + +/** + * Formats input value to byte representation of int + * If value is negative, return it's two's complement + * If the value is floating point, round it down + * + * @method formatInputInt + * @param {String|Number|BigNumber} value that needs to be formatted + * @returns {SolidityParam} + */ +var formatInputInt = function (value) { + var padding = c.ETH_PADDING * 2; + BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE); + var result = utils.padLeft(utils.toTwosComplement(value).round().toString(16), padding); + return new SolidityParam(result); +}; + +/** + * Formats input value to byte representation of string + * + * @method formatInputBytes + * @param {String} + * @returns {SolidityParam} + */ +var formatInputBytes = function (value) { + var result = utils.fromAscii(value, c.ETH_PADDING).substr(2); + return new SolidityParam(result); +}; + +/** + * Formats input value to byte representation of string + * + * @method formatInputDynamicBytes + * @param {String} + * @returns {SolidityParam} + */ +var formatInputDynamicBytes = function (value) { + var result = utils.fromAscii(value, c.ETH_PADDING).substr(2); + return new SolidityParam(formatInputInt(value.length).value, result); +}; + +/** + * Formats input value to byte representation of bool + * + * @method formatInputBool + * @param {Boolean} + * @returns {SolidityParam} + */ +var formatInputBool = function (value) { + var result = '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0'); + return new SolidityParam(result); +}; + +/** + * Formats input value to byte representation of real + * Values are multiplied by 2^m and encoded as integers + * + * @method formatInputReal + * @param {String|Number|BigNumber} + * @returns {SolidityParam} + */ +var formatInputReal = function (value) { + return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); +}; + +/** + * Check if input value is negative + * + * @method signedIsNegative + * @param {String} value is hex format + * @returns {Boolean} true if it is negative, otherwise false + */ +var signedIsNegative = function (value) { + return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1'; +}; + +/** + * Formats right-aligned output bytes to int + * + * @method formatOutputInt + * @param {SolidityParam} param + * @returns {BigNumber} right-aligned output bytes formatted to big number + */ +var formatOutputInt = function (param) { + var value = param.value || "0"; + + // check if it's negative number + // it it is, return two's complement + if (signedIsNegative(value)) { + return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1); + } + return new BigNumber(value, 16); +}; + +/** + * Formats right-aligned output bytes to uint + * + * @method formatOutputUInt + * @param {SolidityParam} + * @returns {BigNumeber} right-aligned output bytes formatted to uint + */ +var formatOutputUInt = function (param) { + var value = param.value || "0"; + return new BigNumber(value, 16); +}; + +/** + * Formats right-aligned output bytes to real + * + * @method formatOutputReal + * @param {SolidityParam} + * @returns {BigNumber} input bytes formatted to real + */ +var formatOutputReal = function (param) { + return formatOutputInt(param).dividedBy(new BigNumber(2).pow(128)); +}; + +/** + * Formats right-aligned output bytes to ureal + * + * @method formatOutputUReal + * @param {SolidityParam} + * @returns {BigNumber} input bytes formatted to ureal + */ +var formatOutputUReal = function (param) { + return formatOutputUInt(param).dividedBy(new BigNumber(2).pow(128)); +}; + +/** + * Should be used to format output bool + * + * @method formatOutputBool + * @param {SolidityParam} + * @returns {Boolean} right-aligned input bytes formatted to bool + */ +var formatOutputBool = function (param) { + return param.value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false; +}; + +/** + * Should be used to format output string + * + * @method formatOutputBytes + * @param {SolidityParam} left-aligned hex representation of string + * @returns {String} ascii string + */ +var formatOutputBytes = function (param) { + // length might also be important! + return utils.toAscii(param.value); +}; + +/** + * Should be used to format output string + * + * @method formatOutputDynamicBytes + * @param {SolidityParam} left-aligned hex representation of string + * @returns {String} ascii string + */ +var formatOutputDynamicBytes = function (param) { + // length might also be important! + return utils.toAscii(param.suffix); +}; + +/** + * Should be used to format output address + * + * @method formatOutputAddress + * @param {SolidityParam} right-aligned input bytes + * @returns {String} address + */ +var formatOutputAddress = function (param) { + var value = param.value; + return "0x" + value.slice(value.length - 40, value.length); +}; + +module.exports = { + formatInputInt: formatInputInt, + formatInputBytes: formatInputBytes, + formatInputDynamicBytes: formatInputDynamicBytes, + formatInputBool: formatInputBool, + formatInputReal: formatInputReal, + formatOutputInt: formatOutputInt, + formatOutputUInt: formatOutputUInt, + formatOutputReal: formatOutputReal, + formatOutputUReal: formatOutputUReal, + formatOutputBool: formatOutputBool, + formatOutputBytes: formatOutputBytes, + formatOutputDynamicBytes: formatOutputDynamicBytes, + formatOutputAddress: formatOutputAddress +}; + + +},{"../utils/config":7,"../utils/utils":8,"./param":4,"bignumber.js":"bignumber.js"}],4:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file param.js + * @author Marek Kotewicz + * @date 2015 + */ + +/** + * SolidityParam object prototype. + * Should be used when encoding, decoding solidity bytes + */ +var SolidityParam = function (value, suffix) { + this.value = value || ''; + this.suffix = suffix || ''; +}; + +/** + * This method should be used to encode two params one after another + * + * @method append + * @param {SolidityParam} param that it appended after this + */ +SolidityParam.prototype.append = function (param) { + this.value += param.value; + this.suffix += param.suffix; +}; + +/** + * This method should be used to encode next param in an array + * + * @method appendArrayElement + * @param {SolidityParam} param that is appended to an array + */ +SolidityParam.prototype.appendArrayElement = function (param) { + this.suffix += param.value; + //this.suffix += param.suffix; // we do not support nested dynamic types +}; + +/** + * This method should be used to create bytearrays from param + * + * @method encode + * @return {String} encoded param(s) + */ +SolidityParam.prototype.encode = function () { + return this.value + this.suffix; +}; + +/** + * This method should be used to shift first param from group of params + * + * @method shiftValue + * @return {SolidityParam} first value param + */ +SolidityParam.prototype.shiftValue = function () { + var value = this.value.slice(0, 64); + this.value = this.value.slice(64); + return new SolidityParam(value); +}; + +/** + * This method should be used to first bytes param from group of params + * + * @method shiftBytes + * @return {SolidityParam} first bytes param + */ +SolidityParam.prototype.shiftBytes = function () { + return this.shiftArray(1); +}; + +/** + * This method should be used to shift an array from group of params + * + * @method shiftArray + * @param {Number} size of an array to shift + * @return {SolidityParam} first array param + */ +SolidityParam.prototype.shiftArray = function (length) { + var value = this.value.slice(0, 64); + this.value = this.value.slice(64); + var suffix = this.suffix.slice(0, 64 * length); + this.suffix = this.suffix.slice(64 * length); + return new SolidityParam(value, suffix); +}; + +module.exports = SolidityParam; + + +},{}],5:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file utils.js + * @author Marek Kotewicz + * @date 2015 + */ + +/** + * Returns the contstructor with matching number of arguments + * + * @method getConstructor + * @param {Array} abi + * @param {Number} numberOfArgs + * @returns {Object} constructor function abi + */ +var getConstructor = function (abi, numberOfArgs) { + return abi.filter(function (f) { + return f.type === 'constructor' && f.inputs.length === numberOfArgs; + })[0]; +}; + +module.exports = { + getConstructor: getConstructor +}; + + +},{}],6:[function(require,module,exports){ +'use strict'; + +// go env doesn't have and need XMLHttpRequest +if (typeof XMLHttpRequest === 'undefined') { + exports.XMLHttpRequest = {}; +} else { + exports.XMLHttpRequest = XMLHttpRequest; // jshint ignore:line +} + + +},{}],7:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file config.js + * @authors: + * Marek Kotewicz + * @date 2015 + */ + +/** + * Utils + * + * @module utils + */ + +/** + * Utility functions + * + * @class [utils] config + * @constructor + */ + +/// required to define ETH_BIGNUMBER_ROUNDING_MODE +var BigNumber = require('bignumber.js'); + +var ETH_UNITS = [ + 'wei', + 'Kwei', + 'Mwei', + 'Gwei', + 'szabo', + 'finney', + 'ether', + 'grand', + 'Mether', + 'Gether', + 'Tether', + 'Pether', + 'Eether', + 'Zether', + 'Yether', + 'Nether', + 'Dether', + 'Vether', + 'Uether' +]; + +module.exports = { + ETH_PADDING: 32, + ETH_SIGNATURE_LENGTH: 4, + ETH_UNITS: ETH_UNITS, + ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN }, + ETH_POLLING_TIMEOUT: 1000, + defaultBlock: 'latest', + defaultAccount: undefined +}; + + +},{"bignumber.js":"bignumber.js"}],8:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file utils.js + * @author Marek Kotewicz + * @date 2015 + */ + +/** + * Utils + * + * @module utils + */ + +/** + * Utility functions + * + * @class [utils] utils + * @constructor + */ + +var BigNumber = require('bignumber.js'); + +var unitMap = { + 'wei': '1', + 'kwei': '1000', + 'ada': '1000', + 'mwei': '1000000', + 'babbage': '1000000', + 'gwei': '1000000000', + 'shannon': '1000000000', + 'szabo': '1000000000000', + 'finney': '1000000000000000', + 'ether': '1000000000000000000', + 'kether': '1000000000000000000000', + 'grand': '1000000000000000000000', + 'einstein': '1000000000000000000000', + 'mether': '1000000000000000000000000', + 'gether': '1000000000000000000000000000', + 'tether': '1000000000000000000000000000000' +}; + +/** + * Should be called to pad string to expected length + * + * @method padLeft + * @param {String} string to be padded + * @param {Number} characters that result string should have + * @param {String} sign, by default 0 + * @returns {String} right aligned string + */ +var padLeft = function (string, chars, sign) { + return new Array(chars - string.length + 1).join(sign ? sign : "0") + string; +}; + +/** + * Should be called to get sting from it's hex representation + * + * @method toAscii + * @param {String} string in hex + * @returns {String} ascii string representation of hex value + */ +var toAscii = function(hex) { +// Find termination + var str = ""; + var i = 0, l = hex.length; + if (hex.substring(0, 2) === '0x') { + i = 2; + } + for (; i < l; i+=2) { + var code = parseInt(hex.substr(i, 2), 16); + if (code === 0) { + break; + } + + str += String.fromCharCode(code); + } + + return str; +}; + +/** + * Shold be called to get hex representation (prefixed by 0x) of ascii string + * + * @method toHexNative + * @param {String} string + * @returns {String} hex representation of input string + */ +var toHexNative = function(str) { + var hex = ""; + for(var i = 0; i < str.length; i++) { + var n = str.charCodeAt(i).toString(16); + hex += n.length < 2 ? '0' + n : n; + } + + return hex; +}; + +/** + * Shold be called to get hex representation (prefixed by 0x) of ascii string + * + * @method fromAscii + * @param {String} string + * @param {Number} optional padding + * @returns {String} hex representation of input string + */ +var fromAscii = function(str, pad) { + pad = pad === undefined ? 0 : pad; + var hex = toHexNative(str); + while (hex.length < pad*2) + hex += "00"; + return "0x" + hex; +}; + +/** + * Should be used to create full function/event name from json abi + * + * @method transformToFullName + * @param {Object} json-abi + * @return {String} full fnction/event name + */ +var transformToFullName = function (json) { + if (json.name.indexOf('(') !== -1) { + return json.name; + } + + var typeName = json.inputs.map(function(i){return i.type; }).join(); + return json.name + '(' + typeName + ')'; +}; + +/** + * Should be called to get display name of contract function + * + * @method extractDisplayName + * @param {String} name of function/event + * @returns {String} display name for function/event eg. multiply(uint256) -> multiply + */ +var extractDisplayName = function (name) { + var length = name.indexOf('('); + return length !== -1 ? name.substr(0, length) : name; +}; + +/// @returns overloaded part of function/event name +var extractTypeName = function (name) { + /// TODO: make it invulnerable + var length = name.indexOf('('); + return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)).replace(' ', '') : ""; +}; + +/** + * Converts value to it's decimal representation in string + * + * @method toDecimal + * @param {String|Number|BigNumber} + * @return {String} + */ +var toDecimal = function (value) { + return toBigNumber(value).toNumber(); +}; + +/** + * Converts value to it's hex representation + * + * @method fromDecimal + * @param {String|Number|BigNumber} + * @return {String} + */ +var fromDecimal = function (value) { + var number = toBigNumber(value); + var result = number.toString(16); + + return number.lessThan(0) ? '-0x' + result.substr(1) : '0x' + result; +}; + +/** + * Auto converts any given value into it's hex representation. + * + * And even stringifys objects before. + * + * @method toHex + * @param {String|Number|BigNumber|Object} + * @return {String} + */ +var toHex = function (val) { + /*jshint maxcomplexity:7 */ + + if (isBoolean(val)) + return fromDecimal(+val); + + if (isBigNumber(val)) + return fromDecimal(val); + + if (isObject(val)) + return fromAscii(JSON.stringify(val)); + + // if its a negative number, pass it through fromDecimal + if (isString(val)) { + if (val.indexOf('-0x') === 0) + return fromDecimal(val); + else if (!isFinite(val)) + return fromAscii(val); + } + + return fromDecimal(val); +}; + +/** + * Returns value of unit in Wei + * + * @method getValueOfUnit + * @param {String} unit the unit to convert to, default ether + * @returns {BigNumber} value of the unit (in Wei) + * @throws error if the unit is not correct:w + */ +var getValueOfUnit = function (unit) { + unit = unit ? unit.toLowerCase() : 'ether'; + var unitValue = unitMap[unit]; + if (unitValue === undefined) { + throw new Error('This unit doesn\'t exists, please use the one of the following units' + JSON.stringify(unitMap, null, 2)); + } + return new BigNumber(unitValue, 10); +}; + +/** + * Takes a number of wei and converts it to any other ether unit. + * + * Possible units are: + * - kwei/ada + * - mwei/babbage + * - gwei/shannon + * - szabo + * - finney + * - ether + * - kether/grand/einstein + * - mether + * - gether + * - tether + * + * @method fromWei + * @param {Number|String} number can be a number, number string or a HEX of a decimal + * @param {String} unit the unit to convert to, default ether + * @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number +*/ +var fromWei = function(number, unit) { + var returnValue = toBigNumber(number).dividedBy(getValueOfUnit(unit)); + + return isBigNumber(number) ? returnValue : returnValue.toString(10); +}; + +/** + * Takes a number of a unit and converts it to wei. + * + * Possible units are: + * - kwei/ada + * - mwei/babbage + * - gwei/shannon + * - szabo + * - finney + * - ether + * - kether/grand/einstein + * - mether + * - gether + * - tether + * + * @method toWei + * @param {Number|String|BigNumber} number can be a number, number string or a HEX of a decimal + * @param {String} unit the unit to convert from, default ether + * @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number +*/ +var toWei = function(number, unit) { + var returnValue = toBigNumber(number).times(getValueOfUnit(unit)); + + return isBigNumber(number) ? returnValue : returnValue.toString(10); +}; + +/** + * Takes an input and transforms it into an bignumber + * + * @method toBigNumber + * @param {Number|String|BigNumber} a number, string, HEX string or BigNumber + * @return {BigNumber} BigNumber +*/ +var toBigNumber = function(number) { + /*jshint maxcomplexity:5 */ + number = number || 0; + if (isBigNumber(number)) + return number; + + if (isString(number) && (number.indexOf('0x') === 0 || number.indexOf('-0x') === 0)) { + return new BigNumber(number.replace('0x',''), 16); + } + + return new BigNumber(number.toString(10), 10); +}; + +/** + * Takes and input transforms it into bignumber and if it is negative value, into two's complement + * + * @method toTwosComplement + * @param {Number|String|BigNumber} + * @return {BigNumber} + */ +var toTwosComplement = function (number) { + var bigNumber = toBigNumber(number); + if (bigNumber.lessThan(0)) { + return new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(bigNumber).plus(1); + } + return bigNumber; +}; + +/** + * Checks if the given string is strictly an address + * + * @method isStrictAddress + * @param {String} address the given HEX adress + * @return {Boolean} +*/ +var isStrictAddress = function (address) { + return /^0x[0-9a-f]{40}$/.test(address); +}; + +/** + * Checks if the given string is an address + * + * @method isAddress + * @param {String} address the given HEX adress + * @return {Boolean} +*/ +var isAddress = function (address) { + return /^(0x)?[0-9a-f]{40}$/.test(address); +}; + +/** + * Transforms given string to valid 20 bytes-length addres with 0x prefix + * + * @method toAddress + * @param {String} address + * @return {String} formatted address + */ +var toAddress = function (address) { + if (isStrictAddress(address)) { + return address; + } + + if (/^[0-9a-f]{40}$/.test(address)) { + return '0x' + address; + } + + return '0x' + padLeft(toHex(address).substr(2), 40); +}; + +/** + * Returns true if object is BigNumber, otherwise false + * + * @method isBigNumber + * @param {Object} + * @return {Boolean} + */ +var isBigNumber = function (object) { + return object instanceof BigNumber || + (object && object.constructor && object.constructor.name === 'BigNumber'); +}; + +/** + * Returns true if object is string, otherwise false + * + * @method isString + * @param {Object} + * @return {Boolean} + */ +var isString = function (object) { + return typeof object === 'string' || + (object && object.constructor && object.constructor.name === 'String'); +}; + +/** + * Returns true if object is function, otherwise false + * + * @method isFunction + * @param {Object} + * @return {Boolean} + */ +var isFunction = function (object) { + return typeof object === 'function'; +}; + +/** + * Returns true if object is Objet, otherwise false + * + * @method isObject + * @param {Object} + * @return {Boolean} + */ +var isObject = function (object) { + return typeof object === 'object'; +}; + +/** + * Returns true if object is boolean, otherwise false + * + * @method isBoolean + * @param {Object} + * @return {Boolean} + */ +var isBoolean = function (object) { + return typeof object === 'boolean'; +}; + +/** + * Returns true if object is array, otherwise false + * + * @method isArray + * @param {Object} + * @return {Boolean} + */ +var isArray = function (object) { + return object instanceof Array; +}; + +/** + * Returns true if given string is valid json object + * + * @method isJson + * @param {String} + * @return {Boolean} + */ +var isJson = function (str) { + try { + return !!JSON.parse(str); + } catch (e) { + return false; + } +}; + +module.exports = { + padLeft: padLeft, + toHex: toHex, + toDecimal: toDecimal, + fromDecimal: fromDecimal, + toAscii: toAscii, + fromAscii: fromAscii, + transformToFullName: transformToFullName, + extractDisplayName: extractDisplayName, + extractTypeName: extractTypeName, + toWei: toWei, + fromWei: fromWei, + toBigNumber: toBigNumber, + toTwosComplement: toTwosComplement, + toAddress: toAddress, + isBigNumber: isBigNumber, + isStrictAddress: isStrictAddress, + isAddress: isAddress, + isFunction: isFunction, + isString: isString, + isObject: isObject, + isBoolean: isBoolean, + isArray: isArray, + isJson: isJson +}; + + +},{"bignumber.js":"bignumber.js"}],9:[function(require,module,exports){ +module.exports={ + "version": "0.3.5" +} + +},{}],10:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file web3.js + * @authors: + * Jeffrey Wilcke + * Marek Kotewicz + * Marian Oancea + * Fabian Vogelsteller + * Gav Wood + * @date 2014 + */ + +var version = require('./version.json'); +var net = require('./web3/net'); +var eth = require('./web3/eth'); +var db = require('./web3/db'); +var shh = require('./web3/shh'); +var watches = require('./web3/watches'); +var Filter = require('./web3/filter'); +var utils = require('./utils/utils'); +var formatters = require('./web3/formatters'); +var RequestManager = require('./web3/requestmanager'); +var c = require('./utils/config'); +var Method = require('./web3/method'); +var Property = require('./web3/property'); + +var web3Methods = [ + new Method({ + name: 'sha3', + call: 'web3_sha3', + params: 1 + }) +]; + +var web3Properties = [ + new Property({ + name: 'version.client', + getter: 'web3_clientVersion' + }), + new Property({ + name: 'version.network', + getter: 'net_version', + inputFormatter: utils.toDecimal + }), + new Property({ + name: 'version.ethereum', + getter: 'eth_protocolVersion', + inputFormatter: utils.toDecimal + }), + new Property({ + name: 'version.whisper', + getter: 'shh_version', + inputFormatter: utils.toDecimal + }) +]; + +/// creates methods in a given object based on method description on input +/// setups api calls for these methods +var setupMethods = function (obj, methods) { + methods.forEach(function (method) { + method.attachToObject(obj); + }); +}; + +/// creates properties in a given object based on properties description on input +/// setups api calls for these properties +var setupProperties = function (obj, properties) { + properties.forEach(function (property) { + property.attachToObject(obj); + }); +}; + +/// setups web3 object, and it's in-browser executed methods +var web3 = {}; +web3.providers = {}; +web3.version = {}; +web3.version.api = version.version; +web3.eth = {}; + +/*jshint maxparams:4 */ +web3.eth.filter = function (fil, eventParams, options, formatter) { + + // if its event, treat it differently + // TODO: simplify and remove + if (fil._isEvent) { + return fil(eventParams, options); + } + + // what outputLogFormatter? that's wrong + //return new Filter(fil, watches.eth(), formatters.outputLogFormatter); + return new Filter(fil, watches.eth(), formatter || formatters.outputLogFormatter); +}; +/*jshint maxparams:3 */ + +web3.shh = {}; +web3.shh.filter = function (fil) { + return new Filter(fil, watches.shh(), formatters.outputPostFormatter); +}; +web3.net = {}; +web3.db = {}; +web3.setProvider = function (provider) { + RequestManager.getInstance().setProvider(provider); +}; +web3.reset = function () { + RequestManager.getInstance().reset(); + c.defaultBlock = 'latest'; + c.defaultAccount = undefined; +}; +web3.toHex = utils.toHex; +web3.toAscii = utils.toAscii; +web3.fromAscii = utils.fromAscii; +web3.toDecimal = utils.toDecimal; +web3.fromDecimal = utils.fromDecimal; +web3.toBigNumber = utils.toBigNumber; +web3.toWei = utils.toWei; +web3.fromWei = utils.fromWei; +web3.isAddress = utils.isAddress; + +// ADD defaultblock +Object.defineProperty(web3.eth, 'defaultBlock', { + get: function () { + return c.defaultBlock; + }, + set: function (val) { + c.defaultBlock = val; + return val; + } +}); + +Object.defineProperty(web3.eth, 'defaultAccount', { + get: function () { + return c.defaultAccount; + }, + set: function (val) { + c.defaultAccount = val; + return val; + } +}); + +/// setups all api methods +setupMethods(web3, web3Methods); +setupProperties(web3, web3Properties); +setupMethods(web3.net, net.methods); +setupProperties(web3.net, net.properties); +setupMethods(web3.eth, eth.methods); +setupProperties(web3.eth, eth.properties); +setupMethods(web3.db, db.methods); +setupMethods(web3.shh, shh.methods); + +module.exports = web3; + + +},{"./utils/config":7,"./utils/utils":8,"./version.json":9,"./web3/db":12,"./web3/eth":14,"./web3/filter":16,"./web3/formatters":17,"./web3/method":21,"./web3/net":22,"./web3/property":23,"./web3/requestmanager":25,"./web3/shh":26,"./web3/watches":27}],11:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file contract.js + * @author Marek Kotewicz + * @date 2014 + */ + +var web3 = require('../web3'); +var solAbi = require('../solidity/abi'); +var utils = require('../utils/utils'); +var SolidityEvent = require('./event'); +var SolidityFunction = require('./function'); + +var addFunctionsToContract = function (contract, desc) { + desc.filter(function (json) { + return json.type === 'function'; + }).map(function (json) { + return new SolidityFunction(json, contract.address); + }).forEach(function (f) { + f.attachToContract(contract); + }); +}; + +var addEventsToContract = function (contract, desc) { + desc.filter(function (json) { + return json.type === 'event'; + }).map(function (json) { + return new SolidityEvent(json, contract.address); + }).forEach(function (e) { + e.attachToContract(contract); + }); +}; + +/** + * This method should be called when we want to call / transact some solidity method from javascript + * it returns an object which has same methods available as solidity contract description + * usage example: + * + * var abi = [{ + * name: 'myMethod', + * inputs: [{ name: 'a', type: 'string' }], + * outputs: [{name: 'd', type: 'string' }] + * }]; // contract abi + * + * var MyContract = web3.eth.contract(abi); // creation of contract prototype + * + * var contractInstance = new MyContract('0x0123123121'); + * + * contractInstance.myMethod('this is test string param for call'); // myMethod call (implicit, default) + * contractInstance.call().myMethod('this is test string param for call'); // myMethod call (explicit) + * contractInstance.sendTransaction().myMethod('this is test string param for transact'); // myMethod sendTransaction + * + * @param abi - abi json description of the contract, which is being created + * @returns contract object + */ +var contract = function (abi) { + + // return prototype + return Contract.bind(null, abi); +}; + +var Contract = function (abi, options) { + + this.address = ''; + if (utils.isAddress(options)) { + this.address = options; + } else { // is an object! + // TODO, parse the rest of the args + options = options || {}; + var args = Array.prototype.slice.call(arguments, 2); + var bytes = solAbi.formatConstructorParams(abi, args); + options.data += bytes; + this.address = web3.eth.sendTransaction(options); + } + + addFunctionsToContract(this, abi); + addEventsToContract(this, abi); +}; + +Contract.prototype.call = function () { + console.error('contract.call is deprecated'); + return this; +}; + +Contract.prototype.sendTransaction = function () { + console.error('contract.sendTransact is deprecated'); + return this; +}; + +module.exports = contract; + + +},{"../solidity/abi":1,"../utils/utils":8,"../web3":10,"./event":15,"./function":18}],12:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file db.js + * @authors: + * Marek Kotewicz + * @date 2015 + */ + +var Method = require('./method'); + +var putString = new Method({ + name: 'putString', + call: 'db_putString', + params: 3 +}); + + +var getString = new Method({ + name: 'getString', + call: 'db_getString', + params: 2 +}); + +var putHex = new Method({ + name: 'putHex', + call: 'db_putHex', + params: 3 +}); + +var getHex = new Method({ + name: 'getHex', + call: 'db_getHex', + params: 2 +}); + +var methods = [ + putString, getString, putHex, getHex +]; + +module.exports = { + methods: methods +}; + +},{"./method":21}],13:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file errors.js + * @author Marek Kotewicz + * @date 2015 + */ + +module.exports = { + InvalidNumberOfParams: function () { + return new Error('Invalid number of input parameters'); + }, + InvalidConnection: function (host){ + return new Error('CONNECTION ERROR: Couldn\'t connect to node '+ host +', is it running?'); + }, + InvalidProvider: function () { + return new Error('Providor not set or invalid'); + }, + InvalidResponse: function (result){ + var message = !!result && !!result.error && !!result.error.message ? result.error.message : 'Invalid JSON RPC response'; + return new Error(message); + } +}; + + +},{}],14:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file eth.js + * @author Marek Kotewicz + * @author Fabian Vogelsteller + * @date 2015 + */ + +/** + * Web3 + * + * @module web3 + */ + +/** + * Eth methods and properties + * + * An example method object can look as follows: + * + * { + * name: 'getBlock', + * call: blockCall, + * params: 2, + * outputFormatter: formatters.outputBlockFormatter, + * inputFormatter: [ // can be a formatter funciton or an array of functions. Where each item in the array will be used for one parameter + * utils.toHex, // formats paramter 1 + * function(param){ return !!param; } // formats paramter 2 + * ] + * }, + * + * @class [web3] eth + * @constructor + */ + +"use strict"; + +var formatters = require('./formatters'); +var utils = require('../utils/utils'); +var Method = require('./method'); +var Property = require('./property'); + +var blockCall = function (args) { + return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? "eth_getBlockByHash" : "eth_getBlockByNumber"; +}; + +var transactionFromBlockCall = function (args) { + return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getTransactionByBlockHashAndIndex' : 'eth_getTransactionByBlockNumberAndIndex'; +}; + +var uncleCall = function (args) { + return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getUncleByBlockHashAndIndex' : 'eth_getUncleByBlockNumberAndIndex'; +}; + +var getBlockTransactionCountCall = function (args) { + return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getBlockTransactionCountByHash' : 'eth_getBlockTransactionCountByNumber'; +}; + +var uncleCountCall = function (args) { + return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getUncleCountByBlockHash' : 'eth_getUncleCountByBlockNumber'; +}; + +/// @returns an array of objects describing web3.eth api methods + +var getBalance = new Method({ + name: 'getBalance', + call: 'eth_getBalance', + params: 2, + inputFormatter: [utils.toAddress, formatters.inputDefaultBlockNumberFormatter], + outputFormatter: formatters.outputBigNumberFormatter +}); + +var getStorageAt = new Method({ + name: 'getStorageAt', + call: 'eth_getStorageAt', + params: 3, + inputFormatter: [null, utils.toHex, formatters.inputDefaultBlockNumberFormatter] +}); + +var getCode = new Method({ + name: 'getCode', + call: 'eth_getCode', + params: 2, + inputFormatter: [utils.toAddress, formatters.inputDefaultBlockNumberFormatter] +}); + +var getBlock = new Method({ + name: 'getBlock', + call: blockCall, + params: 2, + inputFormatter: [formatters.inputBlockNumberFormatter, function (val) { return !!val; }], + outputFormatter: formatters.outputBlockFormatter +}); + +var getUncle = new Method({ + name: 'getUncle', + call: uncleCall, + params: 2, + inputFormatter: [formatters.inputBlockNumberFormatter, utils.toHex], + outputFormatter: formatters.outputBlockFormatter, + +}); + +var getCompilers = new Method({ + name: 'getCompilers', + call: 'eth_getCompilers', + params: 0 +}); + +var getBlockTransactionCount = new Method({ + name: 'getBlockTransactionCount', + call: getBlockTransactionCountCall, + params: 1, + inputFormatter: [formatters.inputBlockNumberFormatter], + outputFormatter: utils.toDecimal +}); + +var getBlockUncleCount = new Method({ + name: 'getBlockUncleCount', + call: uncleCountCall, + params: 1, + inputFormatter: [formatters.inputBlockNumberFormatter], + outputFormatter: utils.toDecimal +}); + +var getTransaction = new Method({ + name: 'getTransaction', + call: 'eth_getTransactionByHash', + params: 1, + outputFormatter: formatters.outputTransactionFormatter +}); + +var getTransactionFromBlock = new Method({ + name: 'getTransactionFromBlock', + call: transactionFromBlockCall, + params: 2, + inputFormatter: [formatters.inputBlockNumberFormatter, utils.toHex], + outputFormatter: formatters.outputTransactionFormatter +}); + +var getTransactionCount = new Method({ + name: 'getTransactionCount', + call: 'eth_getTransactionCount', + params: 2, + inputFormatter: [null, formatters.inputDefaultBlockNumberFormatter], + outputFormatter: utils.toDecimal +}); + +var sign = new Method({ + name: 'sign', + call: 'eth_sign', + params: 1 +}); + +var sendTransaction = new Method({ + name: 'sendTransaction', + call: 'eth_sendTransaction', + params: 1, + inputFormatter: [formatters.inputTransactionFormatter] +}); + +var call = new Method({ + name: 'call', + call: 'eth_call', + params: 2, + inputFormatter: [formatters.inputTransactionFormatter, formatters.inputDefaultBlockNumberFormatter] +}); + +var compileSolidity = new Method({ + name: 'compile.solidity', + call: 'eth_compileSolidity', + params: 1 +}); + +var compileLLL = new Method({ + name: 'compile.lll', + call: 'eth_compileLLL', + params: 1 +}); + +var compileSerpent = new Method({ + name: 'compile.serpent', + call: 'eth_compileSerpent', + params: 1 +}); + +var methods = [ + getBalance, + getStorageAt, + getCode, + getBlock, + getUncle, + getCompilers, + getBlockTransactionCount, + getBlockUncleCount, + getTransaction, + getTransactionFromBlock, + getTransactionCount, + call, + sign, + sendTransaction, + compileSolidity, + compileLLL, + compileSerpent, +]; + +/// @returns an array of objects describing web3.eth api properties + + + +var properties = [ + new Property({ + name: 'coinbase', + getter: 'eth_coinbase' + }), + new Property({ + name: 'mining', + getter: 'eth_mining' + }), + new Property({ + name: 'hashrate', + getter: 'eth_hashrate', + outputFormatter: utils.toDecimal + }), + new Property({ + name: 'gasPrice', + getter: 'eth_gasPrice', + outputFormatter: formatters.outputBigNumberFormatter + }), + new Property({ + name: 'accounts', + getter: 'eth_accounts' + }), + new Property({ + name: 'blockNumber', + getter: 'eth_blockNumber', + outputFormatter: utils.toDecimal + }) +]; + +module.exports = { + methods: methods, + properties: properties +}; + + +},{"../utils/utils":8,"./formatters":17,"./method":21,"./property":23}],15:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file event.js + * @author Marek Kotewicz + * @date 2014 + */ + +var utils = require('../utils/utils'); +var coder = require('../solidity/coder'); +var web3 = require('../web3'); +var formatters = require('./formatters'); + +/** + * This prototype should be used to create event filters + */ +var SolidityEvent = function (json, address) { + this._params = json.inputs; + this._name = utils.transformToFullName(json); + this._address = address; + this._anonymous = json.anonymous; +}; + +/** + * Should be used to get filtered param types + * + * @method types + * @param {Bool} decide if returned typed should be indexed + * @return {Array} array of types + */ +SolidityEvent.prototype.types = function (indexed) { + return this._params.filter(function (i) { + return i.indexed === indexed; + }).map(function (i) { + return i.type; + }); +}; + +/** + * Should be used to get event display name + * + * @method displayName + * @return {String} event display name + */ +SolidityEvent.prototype.displayName = function () { + return utils.extractDisplayName(this._name); +}; + +/** + * Should be used to get event type name + * + * @method typeName + * @return {String} event type name + */ +SolidityEvent.prototype.typeName = function () { + return utils.extractTypeName(this._name); +}; + +/** + * Should be used to get event signature + * + * @method signature + * @return {String} event signature + */ +SolidityEvent.prototype.signature = function () { + return web3.sha3(web3.fromAscii(this._name)).slice(2); +}; + +/** + * Should be used to encode indexed params and options to one final object + * + * @method encode + * @param {Object} indexed + * @param {Object} options + * @return {Object} everything combined together and encoded + */ +SolidityEvent.prototype.encode = function (indexed, options) { + indexed = indexed || {}; + options = options || {}; + var result = {}; + + ['fromBlock', 'toBlock'].filter(function (f) { + return options[f] !== undefined; + }).forEach(function (f) { + result[f] = formatters.inputBlockNumberFormatter(options[f]); + }); + + result.topics = []; + + if (!this._anonymous) { + result.address = this._address; + result.topics.push('0x' + this.signature()); + } + + var indexedTopics = this._params.filter(function (i) { + return i.indexed === true; + }).map(function (i) { + var value = indexed[i.name]; + if (value === undefined || value === null) { + return null; + } + + if (utils.isArray(value)) { + return value.map(function (v) { + return '0x' + coder.encodeParam(i.type, v); + }); + } + return '0x' + coder.encodeParam(i.type, value); + }); + + result.topics = result.topics.concat(indexedTopics); + + return result; +}; + +/** + * Should be used to decode indexed params and options + * + * @method decode + * @param {Object} data + * @return {Object} result object with decoded indexed && not indexed params + */ +SolidityEvent.prototype.decode = function (data) { + + data.data = data.data || ''; + data.topics = data.topics || []; + + var argTopics = this._anonymous ? data.topics : data.topics.slice(1); + var indexedData = argTopics.map(function (topics) { return topics.slice(2); }).join(""); + var indexedParams = coder.decodeParams(this.types(true), indexedData); + + var notIndexedData = data.data.slice(2); + var notIndexedParams = coder.decodeParams(this.types(false), notIndexedData); + + var result = formatters.outputLogFormatter(data); + result.event = this.displayName(); + result.address = data.address; + + result.args = this._params.reduce(function (acc, current) { + acc[current.name] = current.indexed ? indexedParams.shift() : notIndexedParams.shift(); + return acc; + }, {}); + + delete result.data; + delete result.topics; + + return result; +}; + +/** + * Should be used to create new filter object from event + * + * @method execute + * @param {Object} indexed + * @param {Object} options + * @return {Object} filter object + */ +SolidityEvent.prototype.execute = function (indexed, options) { + var o = this.encode(indexed, options); + var formatter = this.decode.bind(this); + return web3.eth.filter(o, undefined, undefined, formatter); +}; + +/** + * Should be used to attach event to contract object + * + * @method attachToContract + * @param {Contract} + */ +SolidityEvent.prototype.attachToContract = function (contract) { + var execute = this.execute.bind(this); + var displayName = this.displayName(); + if (!contract[displayName]) { + contract[displayName] = execute; + } + contract[displayName][this.typeName()] = this.execute.bind(this, contract); +}; + +module.exports = SolidityEvent; + + +},{"../solidity/coder":2,"../utils/utils":8,"../web3":10,"./formatters":17}],16:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file filter.js + * @authors: + * Jeffrey Wilcke + * Marek Kotewicz + * Marian Oancea + * Fabian Vogelsteller + * Gav Wood + * @date 2014 + */ + +var RequestManager = require('./requestmanager'); +var formatters = require('./formatters'); +var utils = require('../utils/utils'); + +/** +* Converts a given topic to a hex string, but also allows null values. +* +* @param {Mixed} value +* @return {String} +*/ +var toTopic = function(value){ + + if(value === null || typeof value === 'undefined') + return null; + + value = String(value); + + if(value.indexOf('0x') === 0) + return value; + else + return utils.fromAscii(value); +}; + +/// This method should be called on options object, to verify deprecated properties && lazy load dynamic ones +/// @param should be string or object +/// @returns options string or object +var getOptions = function (options) { + + if (utils.isString(options)) { + return options; + } + + options = options || {}; + + // make sure topics, get converted to hex + options.topics = options.topics || []; + options.topics = options.topics.map(function(topic){ + return (utils.isArray(topic)) ? topic.map(toTopic) : toTopic(topic); + }); + + // lazy load + return { + topics: options.topics, + to: options.to, + address: options.address, + fromBlock: formatters.inputBlockNumberFormatter(options.fromBlock), + toBlock: formatters.inputBlockNumberFormatter(options.toBlock) + }; +}; + +var Filter = function (options, methods, formatter) { + var implementation = {}; + methods.forEach(function (method) { + method.attachToObject(implementation); + }); + this.options = getOptions(options); + this.implementation = implementation; + this.callbacks = []; + this.formatter = formatter; + this.filterId = this.implementation.newFilter(this.options); +}; + +Filter.prototype.watch = function (callback) { + this.callbacks.push(callback); + var self = this; + + var onMessage = function (error, messages) { + if (error) { + return self.callbacks.forEach(function (callback) { + callback(error); + }); + } + + messages.forEach(function (message) { + message = self.formatter ? self.formatter(message) : message; + self.callbacks.forEach(function (callback) { + callback(null, message); + }); + }); + }; + + // call getFilterLogs on start + if (!utils.isString(this.options)) { + this.get(function (err, messages) { + // don't send all the responses to all the watches again... just to this one + if (err) { + callback(err); + } + + messages.forEach(function (message) { + callback(null, message); + }); + }); + } + + RequestManager.getInstance().startPolling({ + method: this.implementation.poll.call, + params: [this.filterId], + }, this.filterId, onMessage, this.stopWatching.bind(this)); +}; + +Filter.prototype.stopWatching = function () { + RequestManager.getInstance().stopPolling(this.filterId); + this.implementation.uninstallFilter(this.filterId); + this.callbacks = []; +}; + +Filter.prototype.get = function (callback) { + var self = this; + if (utils.isFunction(callback)) { + this.implementation.getLogs(this.filterId, function(err, res){ + if (err) { + callback(err); + } else { + callback(null, res.map(function (log) { + return self.formatter ? self.formatter(log) : log; + })); + } + }); + } else { + var logs = this.implementation.getLogs(this.filterId); + return logs.map(function (log) { + return self.formatter ? self.formatter(log) : log; + }); + } +}; + +module.exports = Filter; + + +},{"../utils/utils":8,"./formatters":17,"./requestmanager":25}],17:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file formatters.js + * @author Marek Kotewicz + * @author Fabian Vogelsteller + * @date 2015 + */ + +var utils = require('../utils/utils'); +var config = require('../utils/config'); + +/** + * Should the format output to a big number + * + * @method outputBigNumberFormatter + * @param {String|Number|BigNumber} + * @returns {BigNumber} object + */ +var outputBigNumberFormatter = function (number) { + return utils.toBigNumber(number); +}; + +var isPredefinedBlockNumber = function (blockNumber) { + return blockNumber === 'latest' || blockNumber === 'pending' || blockNumber === 'earliest'; +}; + +var inputDefaultBlockNumberFormatter = function (blockNumber) { + if (blockNumber === undefined) { + return config.defaultBlock; + } + return inputBlockNumberFormatter(blockNumber); +}; + +var inputBlockNumberFormatter = function (blockNumber) { + if (blockNumber === undefined) { + return undefined; + } else if (isPredefinedBlockNumber(blockNumber)) { + return blockNumber; + } + return utils.toHex(blockNumber); +}; + +/** + * Formats the input of a transaction and converts all values to HEX + * + * @method inputTransactionFormatter + * @param {Object} transaction options + * @returns object +*/ +var inputTransactionFormatter = function (options){ + + options.from = options.from || config.defaultAccount; + + // make code -> data + if (options.code) { + options.data = options.code; + delete options.code; + } + + ['gasPrice', 'gas', 'value'].filter(function (key) { + return options[key] !== undefined; + }).forEach(function(key){ + options[key] = utils.fromDecimal(options[key]); + }); + + return options; +}; + +/** + * Formats the output of a transaction to its proper values + * + * @method outputTransactionFormatter + * @param {Object} transaction + * @returns {Object} transaction +*/ +var outputTransactionFormatter = function (tx){ + tx.blockNumber = utils.toDecimal(tx.blockNumber); + tx.transactionIndex = utils.toDecimal(tx.transactionIndex); + tx.nonce = utils.toDecimal(tx.nonce); + tx.gas = utils.toDecimal(tx.gas); + tx.gasPrice = utils.toBigNumber(tx.gasPrice); + tx.value = utils.toBigNumber(tx.value); + return tx; +}; + +/** + * Formats the output of a block to its proper values + * + * @method outputBlockFormatter + * @param {Object} block object + * @returns {Object} block object +*/ +var outputBlockFormatter = function(block) { + + // transform to number + block.gasLimit = utils.toDecimal(block.gasLimit); + block.gasUsed = utils.toDecimal(block.gasUsed); + block.size = utils.toDecimal(block.size); + block.timestamp = utils.toDecimal(block.timestamp); + block.number = utils.toDecimal(block.number); + + block.difficulty = utils.toBigNumber(block.difficulty); + block.totalDifficulty = utils.toBigNumber(block.totalDifficulty); + + if (utils.isArray(block.transactions)) { + block.transactions.forEach(function(item){ + if(!utils.isString(item)) + return outputTransactionFormatter(item); + }); + } + + return block; +}; + +/** + * Formats the output of a log + * + * @method outputLogFormatter + * @param {Object} log object + * @returns {Object} log +*/ +var outputLogFormatter = function(log) { + if (log === null) { // 'pending' && 'latest' filters are nulls + return null; + } + + log.blockNumber = utils.toDecimal(log.blockNumber); + log.transactionIndex = utils.toDecimal(log.transactionIndex); + log.logIndex = utils.toDecimal(log.logIndex); + + return log; +}; + +/** + * Formats the input of a whisper post and converts all values to HEX + * + * @method inputPostFormatter + * @param {Object} transaction object + * @returns {Object} +*/ +var inputPostFormatter = function(post) { + + post.payload = utils.toHex(post.payload); + post.ttl = utils.fromDecimal(post.ttl); + post.workToProve = utils.fromDecimal(post.workToProve); + post.priority = utils.fromDecimal(post.priority); + + // fallback + if (!utils.isArray(post.topics)) { + post.topics = post.topics ? [post.topics] : []; + } + + // format the following options + post.topics = post.topics.map(function(topic){ + return utils.fromAscii(topic); + }); + + return post; +}; + +/** + * Formats the output of a received post message + * + * @method outputPostFormatter + * @param {Object} + * @returns {Object} + */ +var outputPostFormatter = function(post){ + + post.expiry = utils.toDecimal(post.expiry); + post.sent = utils.toDecimal(post.sent); + post.ttl = utils.toDecimal(post.ttl); + post.workProved = utils.toDecimal(post.workProved); + post.payloadRaw = post.payload; + post.payload = utils.toAscii(post.payload); + + if (utils.isJson(post.payload)) { + post.payload = JSON.parse(post.payload); + } + + // format the following options + if (!post.topics) { + post.topics = []; + } + post.topics = post.topics.map(function(topic){ + return utils.toAscii(topic); + }); + + return post; +}; + +module.exports = { + inputDefaultBlockNumberFormatter: inputDefaultBlockNumberFormatter, + inputBlockNumberFormatter: inputBlockNumberFormatter, + inputTransactionFormatter: inputTransactionFormatter, + inputPostFormatter: inputPostFormatter, + outputBigNumberFormatter: outputBigNumberFormatter, + outputTransactionFormatter: outputTransactionFormatter, + outputBlockFormatter: outputBlockFormatter, + outputLogFormatter: outputLogFormatter, + outputPostFormatter: outputPostFormatter +}; + + +},{"../utils/config":7,"../utils/utils":8}],18:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file function.js + * @author Marek Kotewicz + * @date 2015 + */ + +var web3 = require('../web3'); +var coder = require('../solidity/coder'); +var utils = require('../utils/utils'); + +/** + * This prototype should be used to call/sendTransaction to solidity functions + */ +var SolidityFunction = function (json, address) { + this._inputTypes = json.inputs.map(function (i) { + return i.type; + }); + this._outputTypes = json.outputs.map(function (i) { + return i.type; + }); + this._constant = json.constant; + this._name = utils.transformToFullName(json); + this._address = address; +}; + +/** + * Should be used to create payload from arguments + * + * @method toPayload + * @param {...} solidity function params + * @param {Object} optional payload options + */ +SolidityFunction.prototype.toPayload = function () { + var args = Array.prototype.slice.call(arguments); + var options = {}; + if (args.length > this._inputTypes.length && utils.isObject(args[args.length -1])) { + options = args.pop(); + } + options.to = this._address; + options.data = '0x' + this.signature() + coder.encodeParams(this._inputTypes, args); + return options; +}; + +/** + * Should be used to get function signature + * + * @method signature + * @return {String} function signature + */ +SolidityFunction.prototype.signature = function () { + return web3.sha3(web3.fromAscii(this._name)).slice(2, 10); +}; + +/** + * Should be used to call function + * + * @method call + * @param {Object} options + * @return {String} output bytes + */ +SolidityFunction.prototype.call = function () { + var payload = this.toPayload.apply(this, Array.prototype.slice.call(arguments)); + var output = web3.eth.call(payload); + output = output.length >= 2 ? output.slice(2) : output; + var result = coder.decodeParams(this._outputTypes, output); + return result.length === 1 ? result[0] : result; +}; + +/** + * Should be used to sendTransaction to solidity function + * + * @method sendTransaction + * @param {Object} options + */ +SolidityFunction.prototype.sendTransaction = function () { + var payload = this.toPayload.apply(this, Array.prototype.slice.call(arguments)); + web3.eth.sendTransaction(payload); +}; + +/** + * Should be used to get function display name + * + * @method displayName + * @return {String} display name of the function + */ +SolidityFunction.prototype.displayName = function () { + return utils.extractDisplayName(this._name); +}; + +/** + * Should be used to get function type name + * + * @method typeName + * @return {String} type name of the function + */ +SolidityFunction.prototype.typeName = function () { + return utils.extractTypeName(this._name); +}; + +/** + * Should be called to execute function + * + * @method execute + */ +SolidityFunction.prototype.execute = function () { + var transaction = !this._constant; + + // send transaction + if (transaction) { + return this.sendTransaction.apply(this, Array.prototype.slice.call(arguments)); + } + + // call + return this.call.apply(this, Array.prototype.slice.call(arguments)); +}; + +/** + * Should be called to attach function to contract + * + * @method attachToContract + * @param {Contract} + */ +SolidityFunction.prototype.attachToContract = function (contract) { + var execute = this.execute.bind(this); + execute.call = this.call.bind(this); + execute.sendTransaction = this.sendTransaction.bind(this); + var displayName = this.displayName(); + if (!contract[displayName]) { + contract[displayName] = execute; + } + contract[displayName][this.typeName()] = execute; // circular!!!! +}; + +module.exports = SolidityFunction; + + +},{"../solidity/coder":2,"../utils/utils":8,"../web3":10}],19:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file httpprovider.js + * @authors: + * Marek Kotewicz + * Marian Oancea + * Fabian Vogelsteller + * @date 2014 + */ + +"use strict"; + +var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line +var errors = require('./errors'); + +var HttpProvider = function (host) { + this.host = host || 'http://localhost:8545'; +}; + +HttpProvider.prototype.send = function (payload) { + var request = new XMLHttpRequest(); + + request.open('POST', this.host, false); + + try { + request.send(JSON.stringify(payload)); + } catch(error) { + throw errors.InvalidConnection(this.host); + } + + + // check request.status + // TODO: throw an error here! it cannot silently fail!!! + //if (request.status !== 200) { + //return; + //} + return JSON.parse(request.responseText); +}; + +HttpProvider.prototype.sendAsync = function (payload, callback) { + var request = new XMLHttpRequest(); + request.onreadystatechange = function() { + if (request.readyState === 4) { + // TODO: handle the error properly here!!! + callback(null, JSON.parse(request.responseText)); + } + }; + + request.open('POST', this.host, true); + + try { + request.send(JSON.stringify(payload)); + } catch(error) { + callback(errors.InvalidConnection(this.host)); + } +}; + +module.exports = HttpProvider; + + +},{"./errors":13,"xmlhttprequest":6}],20:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file jsonrpc.js + * @authors: + * Marek Kotewicz + * @date 2015 + */ + +var Jsonrpc = function () { + // singleton pattern + if (arguments.callee._singletonInstance) { + return arguments.callee._singletonInstance; + } + arguments.callee._singletonInstance = this; + + this.messageId = 1; +}; + +/** + * @return {Jsonrpc} singleton + */ +Jsonrpc.getInstance = function () { + var instance = new Jsonrpc(); + return instance; +}; + +/** + * Should be called to valid json create payload object + * + * @method toPayload + * @param {Function} method of jsonrpc call, required + * @param {Array} params, an array of method params, optional + * @returns {Object} valid jsonrpc payload object + */ +Jsonrpc.prototype.toPayload = function (method, params) { + if (!method) + console.error('jsonrpc method should be specified!'); + + return { + jsonrpc: '2.0', + method: method, + params: params || [], + id: this.messageId++ + }; +}; + +/** + * Should be called to check if jsonrpc response is valid + * + * @method isValidResponse + * @param {Object} + * @returns {Boolean} true if response is valid, otherwise false + */ +Jsonrpc.prototype.isValidResponse = function (response) { + return !!response && + !response.error && + response.jsonrpc === '2.0' && + typeof response.id === 'number' && + response.result !== undefined; // only undefined is not valid json object +}; + +/** + * Should be called to create batch payload object + * + * @method toBatchPayload + * @param {Array} messages, an array of objects with method (required) and params (optional) fields + * @returns {Array} batch payload + */ +Jsonrpc.prototype.toBatchPayload = function (messages) { + var self = this; + return messages.map(function (message) { + return self.toPayload(message.method, message.params); + }); +}; + +module.exports = Jsonrpc; + + +},{}],21:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file method.js + * @author Marek Kotewicz + * @date 2015 + */ + +var RequestManager = require('./requestmanager'); +var utils = require('../utils/utils'); +var errors = require('./errors'); + +var Method = function (options) { + this.name = options.name; + this.call = options.call; + this.params = options.params || 0; + this.inputFormatter = options.inputFormatter; + this.outputFormatter = options.outputFormatter; +}; + +/** + * Should be used to determine name of the jsonrpc method based on arguments + * + * @method getCall + * @param {Array} arguments + * @return {String} name of jsonrpc method + */ +Method.prototype.getCall = function (args) { + return utils.isFunction(this.call) ? this.call(args) : this.call; +}; + +/** + * Should be used to extract callback from array of arguments. Modifies input param + * + * @method extractCallback + * @param {Array} arguments + * @return {Function|Null} callback, if exists + */ +Method.prototype.extractCallback = function (args) { + if (utils.isFunction(args[args.length - 1])) { + return args.pop(); // modify the args array! + } + return null; +}; + +/** + * Should be called to check if the number of arguments is correct + * + * @method validateArgs + * @param {Array} arguments + * @throws {Error} if it is not + */ +Method.prototype.validateArgs = function (args) { + if (args.length !== this.params) { + throw errors.InvalidNumberOfParams(); + } +}; + +/** + * Should be called to format input args of method + * + * @method formatInput + * @param {Array} + * @return {Array} + */ +Method.prototype.formatInput = function (args) { + if (!this.inputFormatter) { + return args; + } + + return this.inputFormatter.map(function (formatter, index) { + return formatter ? formatter(args[index]) : args[index]; + }); +}; + +/** + * Should be called to format output(result) of method + * + * @method formatOutput + * @param {Object} + * @return {Object} + */ +Method.prototype.formatOutput = function (result) { + return this.outputFormatter && result !== null ? this.outputFormatter(result) : result; +}; + +/** + * Should attach function to method + * + * @method attachToObject + * @param {Object} + * @param {Function} + */ +Method.prototype.attachToObject = function (obj) { + var func = this.send.bind(this); + func.call = this.call; // that's ugly. filter.js uses it + var name = this.name.split('.'); + if (name.length > 1) { + obj[name[0]] = obj[name[0]] || {}; + obj[name[0]][name[1]] = func; + } else { + obj[name[0]] = func; + } +}; + +/** + * Should create payload from given input args + * + * @method toPayload + * @param {Array} args + * @return {Object} + */ +Method.prototype.toPayload = function (args) { + var call = this.getCall(args); + var callback = this.extractCallback(args); + var params = this.formatInput(args); + this.validateArgs(params); + + return { + method: call, + params: params, + callback: callback + }; +}; + +/** + * Should send request to the API + * + * @method send + * @param list of params + * @return result + */ +Method.prototype.send = function () { + var payload = this.toPayload(Array.prototype.slice.call(arguments)); + if (payload.callback) { + var self = this; + return RequestManager.getInstance().sendAsync(payload, function (err, result) { + payload.callback(null, self.formatOutput(result)); + }); + } + return this.formatOutput(RequestManager.getInstance().send(payload)); +}; + +module.exports = Method; + + +},{"../utils/utils":8,"./errors":13,"./requestmanager":25}],22:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file eth.js + * @authors: + * Marek Kotewicz + * @date 2015 + */ + +var utils = require('../utils/utils'); +var Property = require('./property'); + +/// @returns an array of objects describing web3.eth api methods +var methods = [ +]; + +/// @returns an array of objects describing web3.eth api properties +var properties = [ + new Property({ + name: 'listening', + getter: 'net_listening' + }), + new Property({ + name: 'peerCount', + getter: 'net_peerCount', + outputFormatter: utils.toDecimal + }) +]; + + +module.exports = { + methods: methods, + properties: properties +}; + + +},{"../utils/utils":8,"./property":23}],23:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file property.js + * @author Fabian Vogelsteller + * @author Marek Kotewicz + * @date 2015 + */ + +var RequestManager = require('./requestmanager'); + +var Property = function (options) { + this.name = options.name; + this.getter = options.getter; + this.setter = options.setter; + this.outputFormatter = options.outputFormatter; + this.inputFormatter = options.inputFormatter; +}; + +/** + * Should be called to format input args of method + * + * @method formatInput + * @param {Array} + * @return {Array} + */ +Property.prototype.formatInput = function (arg) { + return this.inputFormatter ? this.inputFormatter(arg) : arg; +}; + +/** + * Should be called to format output(result) of method + * + * @method formatOutput + * @param {Object} + * @return {Object} + */ +Property.prototype.formatOutput = function (result) { + return this.outputFormatter && result !== null ? this.outputFormatter(result) : result; +}; + +/** + * Should attach function to method + * + * @method attachToObject + * @param {Object} + * @param {Function} + */ +Property.prototype.attachToObject = function (obj) { + var proto = { + get: this.get.bind(this), + set: this.set.bind(this) + }; + + var name = this.name.split('.'); + if (name.length > 1) { + obj[name[0]] = obj[name[0]] || {}; + Object.defineProperty(obj[name[0]], name[1], proto); + } else { + Object.defineProperty(obj, name[0], proto); + } +}; + +/** + * Should be used to get value of the property + * + * @method get + * @return {Object} value of the property + */ +Property.prototype.get = function () { + return this.formatOutput(RequestManager.getInstance().send({ + method: this.getter + })); +}; + +/** + * Should be used to set value of the property + * + * @method set + * @param {Object} new value of the property + */ +Property.prototype.set = function (value) { + return RequestManager.getInstance().send({ + method: this.setter, + params: [this.formatInput(value)] + }); +}; + +module.exports = Property; + + +},{"./requestmanager":25}],24:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file qtsync.js + * @authors: + * Marek Kotewicz + * Marian Oancea + * @date 2014 + */ + +var QtSyncProvider = function () { +}; + +QtSyncProvider.prototype.send = function (payload) { + var result = navigator.qt.callMethod(JSON.stringify(payload)); + return JSON.parse(result); +}; + +module.exports = QtSyncProvider; + + +},{}],25:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** + * @file requestmanager.js + * @author Jeffrey Wilcke + * @author Marek Kotewicz + * @author Marian Oancea + * @author Fabian Vogelsteller + * @author Gav Wood + * @date 2014 + */ + +var Jsonrpc = require('./jsonrpc'); +var utils = require('../utils/utils'); +var c = require('../utils/config'); +var errors = require('./errors'); + +/** + * It's responsible for passing messages to providers + * It's also responsible for polling the ethereum node for incoming messages + * Default poll timeout is 1 second + * Singleton + */ +var RequestManager = function (provider) { + // singleton pattern + if (arguments.callee._singletonInstance) { + return arguments.callee._singletonInstance; + } + arguments.callee._singletonInstance = this; + + this.provider = provider; + this.polls = []; + this.timeout = null; + this.poll(); +}; + +/** + * @return {RequestManager} singleton + */ +RequestManager.getInstance = function () { + var instance = new RequestManager(); + return instance; +}; + +/** + * Should be used to synchronously send request + * + * @method send + * @param {Object} data + * @return {Object} + */ +RequestManager.prototype.send = function (data) { + if (!this.provider) { + console.error(errors.InvalidProvider()); + return null; + } + + var payload = Jsonrpc.getInstance().toPayload(data.method, data.params); + var result = this.provider.send(payload); + + if (!Jsonrpc.getInstance().isValidResponse(result)) { + throw errors.InvalidResponse(result); + } + + return result.result; +}; + +/** + * Should be used to asynchronously send request + * + * @method sendAsync + * @param {Object} data + * @param {Function} callback + */ +RequestManager.prototype.sendAsync = function (data, callback) { + if (!this.provider) { + return callback(errors.InvalidProvider()); + } + + var payload = Jsonrpc.getInstance().toPayload(data.method, data.params); + this.provider.sendAsync(payload, function (err, result) { + if (err) { + return callback(err); + } + + if (!Jsonrpc.getInstance().isValidResponse(result)) { + return callback(errors.InvalidResponse(result)); + } + + callback(null, result.result); + }); +}; + +/** + * Should be used to set provider of request manager + * + * @method setProvider + * @param {Object} + */ +RequestManager.prototype.setProvider = function (p) { + this.provider = p; +}; + +/*jshint maxparams:4 */ + +/** + * Should be used to start polling + * + * @method startPolling + * @param {Object} data + * @param {Number} pollId + * @param {Function} callback + * @param {Function} uninstall + * + * @todo cleanup number of params + */ +RequestManager.prototype.startPolling = function (data, pollId, callback, uninstall) { + this.polls.push({data: data, id: pollId, callback: callback, uninstall: uninstall}); +}; +/*jshint maxparams:3 */ + +/** + * Should be used to stop polling for filter with given id + * + * @method stopPolling + * @param {Number} pollId + */ +RequestManager.prototype.stopPolling = function (pollId) { + for (var i = this.polls.length; i--;) { + var poll = this.polls[i]; + if (poll.id === pollId) { + this.polls.splice(i, 1); + } + } +}; + +/** + * Should be called to reset polling mechanism of request manager + * + * @method reset + */ +RequestManager.prototype.reset = function () { + this.polls.forEach(function (poll) { + poll.uninstall(poll.id); + }); + this.polls = []; + + if (this.timeout) { + clearTimeout(this.timeout); + this.timeout = null; + } + this.poll(); +}; + +/** + * Should be called to poll for changes on filter with given id + * + * @method poll + */ +RequestManager.prototype.poll = function () { + this.timeout = setTimeout(this.poll.bind(this), c.ETH_POLLING_TIMEOUT); + + if (!this.polls.length) { + return; + } + + if (!this.provider) { + console.error(errors.InvalidProvider()); + return; + } + + var payload = Jsonrpc.getInstance().toBatchPayload(this.polls.map(function (data) { + return data.data; + })); + + var self = this; + this.provider.sendAsync(payload, function (error, results) { + // TODO: console log? + if (error) { + return; + } + + if (!utils.isArray(results)) { + throw errors.InvalidResponse(results); + } + + results.map(function (result, index) { + result.callback = self.polls[index].callback; + return result; + }).filter(function (result) { + var valid = Jsonrpc.getInstance().isValidResponse(result); + if (!valid) { + result.callback(errors.InvalidResponse(result)); + } + return valid; + }).filter(function (result) { + return utils.isArray(result.result) && result.result.length > 0; + }).forEach(function (result) { + result.callback(null, result.result); + }); + }); +}; + +module.exports = RequestManager; + + +},{"../utils/config":7,"../utils/utils":8,"./errors":13,"./jsonrpc":20}],26:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file shh.js + * @authors: + * Marek Kotewicz + * @date 2015 + */ + +var Method = require('./method'); +var formatters = require('./formatters'); + +var post = new Method({ + name: 'post', + call: 'shh_post', + params: 1, + inputFormatter: [formatters.inputPostFormatter] +}); + +var newIdentity = new Method({ + name: 'newIdentity', + call: 'shh_newIdentity', + params: 0 +}); + +var hasIdentity = new Method({ + name: 'hasIdentity', + call: 'shh_hasIdentity', + params: 1 +}); + +var newGroup = new Method({ + name: 'newGroup', + call: 'shh_newGroup', + params: 0 +}); + +var addToGroup = new Method({ + name: 'addToGroup', + call: 'shh_addToGroup', + params: 0 +}); + +var methods = [ + post, + newIdentity, + hasIdentity, + newGroup, + addToGroup +]; + +module.exports = { + methods: methods +}; + + +},{"./formatters":17,"./method":21}],27:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file watches.js + * @authors: + * Marek Kotewicz + * @date 2015 + */ + +var Method = require('./method'); + +/// @returns an array of objects describing web3.eth.filter api methods +var eth = function () { + var newFilterCall = function (args) { + return typeof args[0] === 'string' ? 'eth_newBlockFilter' : 'eth_newFilter'; + }; + + var newFilter = new Method({ + name: 'newFilter', + call: newFilterCall, + params: 1 + }); + + var uninstallFilter = new Method({ + name: 'uninstallFilter', + call: 'eth_uninstallFilter', + params: 1 + }); + + var getLogs = new Method({ + name: 'getLogs', + call: 'eth_getFilterLogs', + params: 1 + }); + + var poll = new Method({ + name: 'poll', + call: 'eth_getFilterChanges', + params: 1 + }); + + return [ + newFilter, + uninstallFilter, + getLogs, + poll + ]; +}; + +/// @returns an array of objects describing web3.shh.watch api methods +var shh = function () { + var newFilter = new Method({ + name: 'newFilter', + call: 'shh_newFilter', + params: 1 + }); + + var uninstallFilter = new Method({ + name: 'uninstallFilter', + call: 'shh_uninstallFilter', + params: 1 + }); + + var getLogs = new Method({ + name: 'getLogs', + call: 'shh_getMessages', + params: 1 + }); + + var poll = new Method({ + name: 'poll', + call: 'shh_getFilterChanges', + params: 1 + }); + + return [ + newFilter, + uninstallFilter, + getLogs, + poll + ]; +}; + +module.exports = { + eth: eth, + shh: shh +}; + + +},{"./method":21}],28:[function(require,module,exports){ + +},{}],"bignumber.js":[function(require,module,exports){ +'use strict'; + +module.exports = BigNumber; // jshint ignore:line + + +},{}],"web3":[function(require,module,exports){ +var web3 = require('./lib/web3'); +web3.providers.HttpProvider = require('./lib/web3/httpprovider'); +web3.providers.QtSyncProvider = require('./lib/web3/qtsync'); +web3.eth.contract = require('./lib/web3/contract'); +web3.abi = require('./lib/solidity/abi'); + +// dont override global variable +if (typeof window !== 'undefined' && typeof window.web3 === 'undefined') { + window.web3 = web3; +} + +module.exports = web3; + + +},{"./lib/solidity/abi":1,"./lib/web3":10,"./lib/web3/contract":11,"./lib/web3/httpprovider":19,"./lib/web3/qtsync":24}]},{},["web3"]) + + +//# sourceMappingURL=web3-light.js.map +` diff --git a/rpc/args.go b/rpc/args.go index 6c98d12672..686872a598 100644 --- a/rpc/args.go +++ b/rpc/args.go @@ -171,6 +171,41 @@ type NewSigArgs struct { Data string } +func (args *NewSigArgs) UnmarshalJSON(b []byte) (err error) { + var obj []json.RawMessage + var ext struct { + From string + Data string + } + + // Decode byte slice to array of RawMessages + if err := json.Unmarshal(b, &obj); err != nil { + return NewDecodeParamError(err.Error()) + } + + // Check for sufficient params + if len(obj) < 1 { + return NewInsufficientParamsError(len(obj), 1) + } + + // Decode 0th RawMessage to temporary struct + if err := json.Unmarshal(obj[0], &ext); err != nil { + return NewDecodeParamError(err.Error()) + } + + if len(ext.From) == 0 { + return NewValidationError("from", "is required") + } + + if len(ext.Data) == 0 { + return NewValidationError("data", "is required") + } + + args.From = ext.From + args.Data = ext.Data + return nil +} + func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) { var obj []json.RawMessage var ext struct { diff --git a/rpc/jeth.go b/rpc/jeth.go index 4739316b2d..ad52b72d71 100644 --- a/rpc/jeth.go +++ b/rpc/jeth.go @@ -2,7 +2,6 @@ package rpc import ( "encoding/json" - "github.com/ethereum/go-ethereum/jsre" "github.com/robertkrimen/otto" ) @@ -35,7 +34,6 @@ func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) { } jsonreq, err := json.Marshal(reqif) - var reqs []RpcRequest batch := true err = json.Unmarshal(jsonreq, &reqs) From 1fe70a66ba2ef0f148affa7a72b4e65023474859 Mon Sep 17 00:00:00 2001 From: "Daniel A. Nagy" Date: Fri, 8 May 2015 19:37:35 +0200 Subject: [PATCH 4/6] Signature test. --- cmd/geth/js_test.go | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/cmd/geth/js_test.go b/cmd/geth/js_test.go index 5587fe2b24..0c54f21ddd 100644 --- a/cmd/geth/js_test.go +++ b/cmd/geth/js_test.go @@ -29,6 +29,8 @@ const ( testKey = "e6fab74a43941f82d89cb7faa408e227cdad3153c4720e540e855c19b15e6674" testAddress = "0x8605cdbbdb6d264aa742e77020dcbc58fcdce182" testBalance = "10000000000000000000" + // of empty string + testHash = "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470" ) var ( @@ -215,6 +217,32 @@ func TestCheckTestAccountBalance(t *testing.T) { checkEvalJSON(t, repl, `eth.getBalance(primary)`, `"`+testBalance+`"`) } +func TestSignature(t *testing.T) { + tmp, repl, ethereum := testJEthRE(t) + if err := ethereum.Start(); err != nil { + t.Errorf("error starting ethereum: %v", err) + return + } + defer ethereum.Stop() + defer os.RemoveAll(tmp) + + val, err := repl.re.Run(`eth.sign({from: "` + testAddress + `", data: "` + testHash + `"})`) + + // This is a very preliminary test, lacking actual signature verification + if err != nil { + t.Errorf("Error runnig js: %v", err) + return + } + output := val.String() + t.Logf("Output: %v", output) + + regex := regexp.MustCompile(`^0x[0-9a-f]{130}$`) + if !regex.MatchString(output) { + t.Errorf("Signature is not 65 bytes represented in hexadecimal.") + return + } +} + func TestContract(t *testing.T) { tmp, repl, ethereum := testJEthRE(t) From 49559e6d5e7c365f1aa081e94cb46f3483833647 Mon Sep 17 00:00:00 2001 From: "Daniel A. Nagy" Date: Mon, 11 May 2015 15:46:18 +0200 Subject: [PATCH 5/6] Interactive signature creation refactored into separate doSign function. --- xeth/xeth.go | 40 ++++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-) diff --git a/xeth/xeth.go b/xeth/xeth.go index 06cd9dc1bc..76ca4b9b4e 100644 --- a/xeth/xeth.go +++ b/xeth/xeth.go @@ -815,22 +815,30 @@ func (self *XEth) ConfirmTransaction(tx string) bool { return self.frontend.ConfirmTransaction(tx) } -func (self *XEth) Sign(fromStr, hashStr string, didUnlock bool) (string, error) { - var ( - from = common.HexToAddress(fromStr) - hash = common.HexToHash(hashStr) - ) - sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, hash.Bytes()) +func (self *XEth) doSign(from common.Address, hash []byte, didUnlock bool) ([]byte, error) { + sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, hash) if err == accounts.ErrLocked { if didUnlock { - return "", fmt.Errorf("signer account still locked after successful unlock") + return nil, fmt.Errorf("signer account still locked after successful unlock") } if !self.frontend.UnlockAccount(from.Bytes()) { - return "", fmt.Errorf("could not unlock signer account") + return nil, fmt.Errorf("could not unlock signer account") } // retry signing, the account should now be unlocked. - return self.Sign(fromStr, hashStr, true) + return self.doSign(from, hash, true) } else if err != nil { + return nil, err + } + return sig, nil +} + +func (self *XEth) Sign(fromStr, hashStr string, didUnlock bool) (string, error) { + var ( + from = common.HexToAddress(fromStr) + hash = common.HexToHash(hashStr) + ) + sig, err := self.doSign(from, hash.Bytes(), didUnlock) + if err != nil { return "", err } return common.ToHex(sig), nil @@ -928,17 +936,9 @@ func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceS } func (self *XEth) sign(tx *types.Transaction, from common.Address, didUnlock bool) error { - sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, tx.Hash().Bytes()) - if err == accounts.ErrLocked { - if didUnlock { - return fmt.Errorf("sender account still locked after successful unlock") - } - if !self.frontend.UnlockAccount(from.Bytes()) { - return fmt.Errorf("could not unlock sender account") - } - // retry signing, the account should now be unlocked. - return self.sign(tx, from, true) - } else if err != nil { + hash := tx.Hash().Bytes() + sig, err := self.doSign(from, hash, didUnlock) + if err != nil { return err } tx.SetSignatureValues(sig) From 51d4566cbf5c91e429313f1765d5a7d2afc13634 Mon Sep 17 00:00:00 2001 From: "Daniel A. Nagy" Date: Mon, 11 May 2015 15:54:19 +0200 Subject: [PATCH 6/6] Only allow doSign to sign hashes, enforced by using the type common.Hash --- xeth/xeth.go | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/xeth/xeth.go b/xeth/xeth.go index 76ca4b9b4e..47b833a345 100644 --- a/xeth/xeth.go +++ b/xeth/xeth.go @@ -815,8 +815,8 @@ func (self *XEth) ConfirmTransaction(tx string) bool { return self.frontend.ConfirmTransaction(tx) } -func (self *XEth) doSign(from common.Address, hash []byte, didUnlock bool) ([]byte, error) { - sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, hash) +func (self *XEth) doSign(from common.Address, hash common.Hash, didUnlock bool) ([]byte, error) { + sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, hash.Bytes()) if err == accounts.ErrLocked { if didUnlock { return nil, fmt.Errorf("signer account still locked after successful unlock") @@ -837,7 +837,7 @@ func (self *XEth) Sign(fromStr, hashStr string, didUnlock bool) (string, error) from = common.HexToAddress(fromStr) hash = common.HexToHash(hashStr) ) - sig, err := self.doSign(from, hash.Bytes(), didUnlock) + sig, err := self.doSign(from, hash, didUnlock) if err != nil { return "", err } @@ -936,7 +936,7 @@ func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceS } func (self *XEth) sign(tx *types.Transaction, from common.Address, didUnlock bool) error { - hash := tx.Hash().Bytes() + hash := tx.Hash() sig, err := self.doSign(from, hash, didUnlock) if err != nil { return err