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-rw-r--r--common/natspec/natspec.go262
-rw-r--r--common/natspec/natspec_e2e_test.go357
-rw-r--r--common/natspec/natspec_js.go4060
-rw-r--r--common/natspec/natspec_test.go160
4 files changed, 0 insertions, 4839 deletions
diff --git a/common/natspec/natspec.go b/common/natspec/natspec.go
deleted file mode 100644
index 4521ff7a1..000000000
--- a/common/natspec/natspec.go
+++ /dev/null
@@ -1,262 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library 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.
-//
-// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// +build ignore
-
-package natspec
-
-import (
- "bytes"
- "encoding/json"
- "fmt"
- "strings"
-
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/common/httpclient"
- "github.com/ethereum/go-ethereum/common/registrar"
- "github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/xeth"
- "github.com/robertkrimen/otto"
-)
-
-type abi2method map[[8]byte]*method
-
-type NatSpec struct {
- jsvm *otto.Otto
- abiDocJson []byte
- userDoc userDoc
- tx, data string
-}
-
-// main entry point for to get natspec notice for a transaction
-// the implementation is frontend friendly in that it always gives back
-// a notice that is safe to display
-// :FIXME: the second return value is an error, which can be used to fine-tune bahaviour
-func GetNotice(xeth *xeth.XEth, tx string, http *httpclient.HTTPClient) (notice string) {
- ns, err := New(xeth, tx, http)
- if err != nil {
- if ns == nil {
- return getFallbackNotice(fmt.Sprintf("no NatSpec info found for contract: %v", err), tx)
- } else {
- return getFallbackNotice(fmt.Sprintf("invalid NatSpec info: %v", err), tx)
- }
- }
-
- notice, err = ns.Notice()
- if err != nil {
- return getFallbackNotice(fmt.Sprintf("NatSpec notice error: %v", err), tx)
- }
-
- return
-}
-
-func getFallbackNotice(comment, tx string) string {
- return fmt.Sprintf("About to submit transaction (%s): %s", comment, tx)
-}
-
-type transaction struct {
- To string `json:"to"`
- Data string `json:"data"`
-}
-
-type jsonTx struct {
- Params []transaction `json:"params"`
-}
-
-type contractInfo struct {
- Source string `json:"source"`
- Language string `json:"language"`
- Version string `json:"compilerVersion"`
- AbiDefinition json.RawMessage `json:"abiDefinition"`
- UserDoc userDoc `json:"userDoc"`
- DeveloperDoc json.RawMessage `json:"developerDoc"`
-}
-
-func New(xeth *xeth.XEth, jsontx string, http *httpclient.HTTPClient) (self *NatSpec, err error) {
-
- // extract contract address from tx
- var tx jsonTx
- err = json.Unmarshal([]byte(jsontx), &tx)
- if err != nil {
- return
- }
- t := tx.Params[0]
- contractAddress := t.To
-
- content, err := FetchDocsForContract(contractAddress, xeth, http)
- if err != nil {
- return
- }
-
- self, err = NewWithDocs(content, jsontx, t.Data)
- return
-}
-
-// also called by admin.contractInfo.get
-func FetchDocsForContract(contractAddress string, xeth *xeth.XEth, client *httpclient.HTTPClient) (content []byte, err error) {
- // retrieve contract hash from state
- codehex := xeth.CodeAt(contractAddress)
- codeb := xeth.CodeAtBytes(contractAddress)
-
- if codehex == "0x" {
- err = fmt.Errorf("contract (%v) not found", contractAddress)
- return
- }
- codehash := common.BytesToHash(crypto.Keccak256(codeb))
- // set up nameresolver with natspecreg + urlhint contract addresses
- reg := registrar.New(xeth)
-
- // resolve host via HashReg/UrlHint Resolver
- hash, err := reg.HashToHash(codehash)
- if err != nil {
- return
- }
- if client.HasScheme("bzz") {
- content, err = client.Get("bzz://"+hash.Hex()[2:], "")
- if err == nil { // non-fatal
- return
- }
- err = nil
- //falling back to urlhint
- }
-
- uri, err := reg.HashToUrl(hash)
- if err != nil {
- return
- }
-
- // get content via http client and authenticate content using hash
- content, err = client.GetAuthContent(uri, hash)
- if err != nil {
- return
- }
- return
-}
-
-func NewWithDocs(infoDoc []byte, tx string, data string) (self *NatSpec, err error) {
-
- var contract contractInfo
- err = json.Unmarshal(infoDoc, &contract)
- if err != nil {
- return
- }
-
- self = &NatSpec{
- jsvm: otto.New(),
- abiDocJson: []byte(contract.AbiDefinition),
- userDoc: contract.UserDoc,
- tx: tx,
- data: data,
- }
-
- // load and require natspec js (but it is meant to be protected environment)
- _, err = self.jsvm.Run(natspecJS)
- if err != nil {
- return
- }
- _, err = self.jsvm.Run("var natspec = require('natspec');")
- return
-}
-
-// type abiDoc []method
-
-// type method struct {
-// Name string `json:name`
-// Inputs []input `json:inputs`
-// abiKey [8]byte
-// }
-
-// type input struct {
-// Name string `json:name`
-// Type string `json:type`
-// }
-
-// json skeleton for abi doc (contract method definitions)
-type method struct {
- Notice string `json:notice`
- name string
-}
-
-type userDoc struct {
- Methods map[string]*method `json:methods`
-}
-
-func (self *NatSpec) makeAbi2method(abiKey [8]byte) (meth *method) {
- for signature, m := range self.userDoc.Methods {
- name := strings.Split(signature, "(")[0]
- hash := []byte(common.Bytes2Hex(crypto.Keccak256([]byte(signature))))
- var key [8]byte
- copy(key[:], hash[:8])
- if bytes.Equal(key[:], abiKey[:]) {
- meth = m
- meth.name = name
- return
- }
- }
- return
-}
-
-func (self *NatSpec) Notice() (notice string, err error) {
- var abiKey [8]byte
- if len(self.data) < 10 {
- err = fmt.Errorf("Invalid transaction data")
- return
- }
- copy(abiKey[:], self.data[2:10])
- meth := self.makeAbi2method(abiKey)
-
- if meth == nil {
- err = fmt.Errorf("abi key does not match any method")
- return
- }
- notice, err = self.noticeForMethod(self.tx, meth.name, meth.Notice)
- return
-}
-
-func (self *NatSpec) noticeForMethod(tx string, name, expression string) (notice string, err error) {
-
- if _, err = self.jsvm.Run("var transaction = " + tx + ";"); err != nil {
- return "", fmt.Errorf("natspec.js error setting transaction: %v", err)
- }
-
- if _, err = self.jsvm.Run("var abi = " + string(self.abiDocJson) + ";"); err != nil {
- return "", fmt.Errorf("natspec.js error setting abi: %v", err)
- }
-
- if _, err = self.jsvm.Run("var method = '" + name + "';"); err != nil {
- return "", fmt.Errorf("natspec.js error setting method: %v", err)
- }
-
- if _, err = self.jsvm.Run("var expression = \"" + expression + "\";"); err != nil {
- return "", fmt.Errorf("natspec.js error setting expression: %v", err)
- }
-
- self.jsvm.Run("var call = {method: method,abi: abi,transaction: transaction};")
- value, err := self.jsvm.Run("natspec.evaluateExpression(expression, call);")
- if err != nil {
- return "", fmt.Errorf("natspec.js error evaluating expression: %v", err)
- }
- evalError := "Natspec evaluation failed, wrong input params"
- if value.String() == evalError {
- return "", fmt.Errorf("natspec.js error evaluating expression: wrong input params in expression '%s'", expression)
- }
- if len(value.String()) == 0 {
- return "", fmt.Errorf("natspec.js error evaluating expression")
- }
-
- return value.String(), nil
-
-}
diff --git a/common/natspec/natspec_e2e_test.go b/common/natspec/natspec_e2e_test.go
deleted file mode 100644
index 255260576..000000000
--- a/common/natspec/natspec_e2e_test.go
+++ /dev/null
@@ -1,357 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library 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.
-//
-// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// +build ignore
-
-package natspec
-
-import (
- "fmt"
- "io/ioutil"
- "math/big"
- "os"
- "path/filepath"
- "runtime"
- "testing"
- "time"
-
- "github.com/ethereum/go-ethereum/accounts"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/common/httpclient"
- "github.com/ethereum/go-ethereum/common/registrar"
- "github.com/ethereum/go-ethereum/core"
- "github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/eth"
- "github.com/ethereum/go-ethereum/ethdb"
- "github.com/ethereum/go-ethereum/event"
- "github.com/ethereum/go-ethereum/node"
- xe "github.com/ethereum/go-ethereum/xeth"
-)
-
-const (
- testAddress = "0x8605cdbbdb6d264aa742e77020dcbc58fcdce182"
- testBalance = "10000000000000000000"
- testKey = "e6fab74a43941f82d89cb7faa408e227cdad3153c4720e540e855c19b15e6674"
-
- testFileName = "long_file_name_for_testing_registration_of_URLs_longer_than_32_bytes.content"
-
- testNotice = "Register key `utils.toHex(_key)` <- content `utils.toHex(_content)`"
-
- testExpNotice = "Register key 0xadd1a7d961cff0242089674ec2ef6fca671ab15e1fe80e38859fc815b98d88ab <- content 0xb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7"
-
- testExpNotice2 = `About to submit transaction (NatSpec notice error: abi key does not match any method): {"params":[{"to":"%s","data": "0x31e12c20"}]}`
-
- testExpNotice3 = `About to submit transaction (no NatSpec info found for contract: HashToHash: content hash not found for '0x1392c62d05b2d149e22a339c531157ae06b44d39a674cce500064b12b9aeb019'): {"params":[{"to":"%s","data": "0x300a3bbfb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000066696c653a2f2f2f746573742e636f6e74656e74"}]}`
-)
-
-const (
- testUserDoc = `
-{
- "methods": {
- "register(uint256,uint256)": {
- "notice": "` + testNotice + `"
- }
- },
- "invariants": [
- { "notice": "" }
- ],
- "construction": [
- { "notice": "" }
- ]
-}
-`
- testAbiDefinition = `
-[{
- "name": "register",
- "constant": false,
- "type": "function",
- "inputs": [{
- "name": "_key",
- "type": "uint256"
- }, {
- "name": "_content",
- "type": "uint256"
- }],
- "outputs": []
-}]
-`
-
- testContractInfo = `
-{
- "userDoc": ` + testUserDoc + `,
- "abiDefinition": ` + testAbiDefinition + `
-}
-`
-)
-
-type testFrontend struct {
- t *testing.T
- ethereum *eth.Ethereum
- xeth *xe.XEth
- wait chan *big.Int
- lastConfirm string
- wantNatSpec bool
-}
-
-func (self *testFrontend) AskPassword() (string, bool) {
- return "", true
-}
-
-func (self *testFrontend) UnlockAccount(acc []byte) bool {
- self.ethereum.AccountManager().Unlock(common.BytesToAddress(acc), "password")
- return true
-}
-
-func (self *testFrontend) ConfirmTransaction(tx string) bool {
- if self.wantNatSpec {
- client := httpclient.New("/tmp/")
- self.lastConfirm = GetNotice(self.xeth, tx, client)
- }
- return true
-}
-
-func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) {
-
- tmp, err := ioutil.TempDir("", "natspec-test")
- if err != nil {
- t.Fatal(err)
- }
- db, _ := ethdb.NewMemDatabase()
- addr := common.HexToAddress(testAddress)
- core.WriteGenesisBlockForTesting(db, core.GenesisAccount{addr, common.String2Big(testBalance)})
- ks := crypto.NewKeyStorePassphrase(filepath.Join(tmp, "keystore"), crypto.LightScryptN, crypto.LightScryptP)
- am := accounts.NewManager(ks)
- keyb, err := crypto.HexToECDSA(testKey)
- if err != nil {
- t.Fatal(err)
- }
- key := crypto.NewKeyFromECDSA(keyb)
- err = ks.StoreKey(key, "")
- if err != nil {
- t.Fatal(err)
- }
-
- err = am.Unlock(key.Address, "")
- if err != nil {
- t.Fatal(err)
- }
-
- // only use minimalistic stack with no networking
- return eth.New(&node.ServiceContext{EventMux: new(event.TypeMux)}, &eth.Config{
- AccountManager: am,
- Etherbase: common.HexToAddress(testAddress),
- PowTest: true,
- TestGenesisState: db,
- GpoMinGasPrice: common.Big1,
- GpobaseCorrectionFactor: 1,
- GpoMaxGasPrice: common.Big1,
- })
-}
-
-func testInit(t *testing.T) (self *testFrontend) {
- // initialise and start minimal ethereum stack
- ethereum, err := testEth(t)
- if err != nil {
- t.Errorf("error creating ethereum: %v", err)
- return
- }
- err = ethereum.Start(nil)
- if err != nil {
- t.Errorf("error starting ethereum: %v", err)
- return
- }
-
- // mock frontend
- self = &testFrontend{t: t, ethereum: ethereum}
- self.xeth = xe.New(nil, self)
- self.wait = self.xeth.UpdateState()
- addr, _ := self.ethereum.Etherbase()
-
- // initialise the registry contracts
- reg := registrar.New(self.xeth)
- registrar.GlobalRegistrarAddr = "0x0"
-
- var txG, txH, txU string
- txG, err = reg.SetGlobalRegistrar("", addr)
- if err != nil {
- t.Fatalf("error creating GlobalRegistrar: %v", err)
- }
- if !processTxs(self, t, 1) {
- t.Fatalf("error mining txs")
- }
- recG := self.xeth.GetTxReceipt(common.HexToHash(txG))
- if recG == nil {
- t.Fatalf("blockchain error creating GlobalRegistrar")
- }
- registrar.GlobalRegistrarAddr = recG.ContractAddress.Hex()
-
- txH, err = reg.SetHashReg("", addr)
- if err != nil {
- t.Errorf("error creating HashReg: %v", err)
- }
- if !processTxs(self, t, 1) {
- t.Errorf("error mining txs")
- }
- recH := self.xeth.GetTxReceipt(common.HexToHash(txH))
- if recH == nil {
- t.Fatalf("blockchain error creating HashReg")
- }
- registrar.HashRegAddr = recH.ContractAddress.Hex()
-
- txU, err = reg.SetUrlHint("", addr)
- if err != nil {
- t.Errorf("error creating UrlHint: %v", err)
- }
- if !processTxs(self, t, 1) {
- t.Errorf("error mining txs")
- }
- recU := self.xeth.GetTxReceipt(common.HexToHash(txU))
- if recU == nil {
- t.Fatalf("blockchain error creating UrlHint")
- }
- registrar.UrlHintAddr = recU.ContractAddress.Hex()
-
- return
-}
-
-// end to end test
-func TestNatspecE2E(t *testing.T) {
- t.Skip()
-
- tf := testInit(t)
- defer tf.ethereum.Stop()
- addr, _ := tf.ethereum.Etherbase()
-
- // create a contractInfo file (mock cloud-deployed contract metadocs)
- // incidentally this is the info for the HashReg contract itself
- ioutil.WriteFile("/tmp/"+testFileName, []byte(testContractInfo), os.ModePerm)
- dochash := crypto.Keccak256Hash([]byte(testContractInfo))
-
- // take the codehash for the contract we wanna test
- codeb := tf.xeth.CodeAtBytes(registrar.HashRegAddr)
- codehash := crypto.Keccak256Hash(codeb)
-
- reg := registrar.New(tf.xeth)
- _, err := reg.SetHashToHash(addr, codehash, dochash)
- if err != nil {
- t.Errorf("error registering: %v", err)
- }
- _, err = reg.SetUrlToHash(addr, dochash, "file:///"+testFileName)
- if err != nil {
- t.Errorf("error registering: %v", err)
- }
- if !processTxs(tf, t, 5) {
- return
- }
-
- // NatSpec info for register method of HashReg contract installed
- // now using the same transactions to check confirm messages
-
- tf.wantNatSpec = true // this is set so now the backend uses natspec confirmation
- _, err = reg.SetHashToHash(addr, codehash, dochash)
- if err != nil {
- t.Errorf("error calling contract registry: %v", err)
- }
-
- fmt.Printf("GlobalRegistrar: %v, HashReg: %v, UrlHint: %v\n", registrar.GlobalRegistrarAddr, registrar.HashRegAddr, registrar.UrlHintAddr)
- if tf.lastConfirm != testExpNotice {
- t.Errorf("Wrong confirm message. expected\n'%v', got\n'%v'", testExpNotice, tf.lastConfirm)
- }
-
- // test unknown method
- exp := fmt.Sprintf(testExpNotice2, registrar.HashRegAddr)
- _, err = reg.SetOwner(addr)
- if err != nil {
- t.Errorf("error setting owner: %v", err)
- }
-
- if tf.lastConfirm != exp {
- t.Errorf("Wrong confirm message, expected\n'%v', got\n'%v'", exp, tf.lastConfirm)
- }
-
- // test unknown contract
- exp = fmt.Sprintf(testExpNotice3, registrar.UrlHintAddr)
-
- _, err = reg.SetUrlToHash(addr, dochash, "file:///test.content")
- if err != nil {
- t.Errorf("error registering: %v", err)
- }
-
- if tf.lastConfirm != exp {
- t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm)
- }
-
-}
-
-func pendingTransactions(repl *testFrontend, t *testing.T) (txc int64, err error) {
- txs := repl.ethereum.TxPool().GetTransactions()
- return int64(len(txs)), nil
-}
-
-func processTxs(repl *testFrontend, t *testing.T, expTxc int) bool {
- var txc int64
- var err error
- for i := 0; i < 50; i++ {
- txc, err = pendingTransactions(repl, t)
- if err != nil {
- t.Errorf("unexpected error checking pending transactions: %v", err)
- return false
- }
- if expTxc < int(txc) {
- t.Errorf("too many pending transactions: expected %v, got %v", expTxc, txc)
- return false
- } else if expTxc == int(txc) {
- break
- }
- time.Sleep(100 * time.Millisecond)
- }
- if int(txc) != expTxc {
- t.Errorf("incorrect number of pending transactions, expected %v, got %v", expTxc, txc)
- return false
- }
-
- err = repl.ethereum.StartMining(runtime.NumCPU(), "")
- if err != nil {
- t.Errorf("unexpected error mining: %v", err)
- return false
- }
- defer repl.ethereum.StopMining()
-
- timer := time.NewTimer(100 * time.Second)
- height := new(big.Int).Add(repl.xeth.CurrentBlock().Number(), big.NewInt(1))
- repl.wait <- height
- select {
- case <-timer.C:
- // if times out make sure the xeth loop does not block
- go func() {
- select {
- case repl.wait <- nil:
- case <-repl.wait:
- }
- }()
- case <-repl.wait:
- }
- txc, err = pendingTransactions(repl, t)
- if err != nil {
- t.Errorf("unexpected error checking pending transactions: %v", err)
- return false
- }
- if txc != 0 {
- t.Errorf("%d trasactions were not mined", txc)
- return false
- }
- return true
-}
diff --git a/common/natspec/natspec_js.go b/common/natspec/natspec_js.go
deleted file mode 100644
index 0375bb4d5..000000000
--- a/common/natspec/natspec_js.go
+++ /dev/null
@@ -1,4060 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library 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.
-//
-// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package natspec
-
-const natspecJS = //`require=function t(e,n,r){function i(f,u){if(!n[f]){if(!e[f]){var s="function"==typeof require&&require;if(!u&&s)return s(f,!0);if(o)return o(f,!0);var c=new Error("Cannot find module '"+f+"'");throw c.code="MODULE_NOT_FOUND",c}var a=n[f]={exports:{}};e[f][0].call(a.exports,function(t){var n=e[f][1][t];return i(n?n:t)},a,a.exports,t,e,n,r)}return n[f].exports}for(var o="function"==typeof require&&require,f=0;f<r.length;f++)i(r[f]);return i}({1:[function(){},{}],2:[function(t,e){function n(){if(!f){f=!0;for(var t,e=o.length;e;){t=o,o=[];for(var n=-1;++n<e;)t[n]();e=o.length}f=!1}}function r(){}var i=e.exports={},o=[],f=!1;i.nextTick=function(t){o.push(t),f||setTimeout(n,0)},i.title="browser",i.browser=!0,i.env={},i.argv=[],i.version="",i.on=r,i.addListener=r,i.once=r,i.off=r,i.removeListener=r,i.removeAllListeners=r,i.emit=r,i.binding=function(){throw new Error("process.binding is not supported")},i.cwd=function(){return"/"},i.chdir=function(){throw new 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-
-},{}],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 <http://www.gnu.org/licenses/>.
-*/
-/**
- * @file abi.js
- * @author Marek Kotewicz <marek@ethdev.com>
- * @author Gav Wood <g@ethdev.com>
- * @date 2014
- */
-
-var utils = require('../utils/utils');
-var c = require('../utils/config');
-var types = require('./types');
-var f = require('./formatters');
-var solUtils = require('./utils');
-
-/**
- * throw incorrect type error
- *
- * @method throwTypeError
- * @param {String} type
- * @throws incorrect type error
- */
-var throwTypeError = function (type) {
- throw new Error('parser does not support type: ' + type);
-};
-
-/** This method should be called if we want to check if givent type is an array type
- *
- * @method isArrayType
- * @param {String} type name
- * @returns {Boolean} true if it is, otherwise false
- */
-var isArrayType = function (type) {
- return type.slice(-2) === '[]';
-};
-
-/**
- * This method should be called to return dynamic type length in hex
- *
- * @method dynamicTypeBytes
- * @param {String} type
- * @param {String|Array} dynamic type
- * @return {String} length of dynamic type in hex or empty string if type is not dynamic
- */
-var dynamicTypeBytes = function (type, value) {
- // TODO: decide what to do with array of strings
- if (isArrayType(type) || type === 'bytes')
- return f.formatInputInt(value.length);
- return "";
-};
-
-var inputTypes = types.inputTypes();
-
-/**
- * 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 bytes = "";
- var toAppendConstant = "";
- var toAppendArrayContent = "";
-
- /// first we iterate in search for dynamic
- inputs.forEach(function (input, index) {
- bytes += dynamicTypeBytes(input.type, params[index]);
- });
-
- inputs.forEach(function (input, i) {
- /*jshint maxcomplexity:5 */
- var typeMatch = false;
- for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
- typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
- }
- if (!typeMatch) {
- throwTypeError(inputs[i].type);
- }
-
- var formatter = inputTypes[j - 1].format;
-
- if (isArrayType(inputs[i].type))
- toAppendArrayContent += params[i].reduce(function (acc, curr) {
- return acc + formatter(curr);
- }, "");
- else if (inputs[i].type === 'bytes')
- toAppendArrayContent += formatter(params[i]);
- else
- toAppendConstant += formatter(params[i]);
- });
-
- bytes += toAppendConstant + toAppendArrayContent;
-
- return bytes;
-};
-
-/**
- * This method should be called to predict the length of dynamic type
- *
- * @method dynamicBytesLength
- * @param {String} type
- * @returns {Number} length of dynamic type, 0 or multiplication of ETH_PADDING (32)
- */
-var dynamicBytesLength = function (type) {
- if (isArrayType(type) || type === 'bytes')
- return c.ETH_PADDING * 2;
- return 0;
-};
-
-var outputTypes = types.outputTypes();
-
-/**
- * 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, output) {
-
- output = output.slice(2);
- var result = [];
- var padding = c.ETH_PADDING * 2;
-
- var dynamicPartLength = outs.reduce(function (acc, curr) {
- return acc + dynamicBytesLength(curr.type);
- }, 0);
-
- var dynamicPart = output.slice(0, dynamicPartLength);
- output = output.slice(dynamicPartLength);
-
- outs.forEach(function (out, i) {
- /*jshint maxcomplexity:6 */
- var typeMatch = false;
- for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
- typeMatch = outputTypes[j].type(outs[i].type);
- }
-
- if (!typeMatch) {
- throwTypeError(outs[i].type);
- }
-
- var formatter = outputTypes[j - 1].format;
- if (isArrayType(outs[i].type)) {
- var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
- dynamicPart = dynamicPart.slice(padding);
- var array = [];
- for (var k = 0; k < size; k++) {
- array.push(formatter(output.slice(0, padding)));
- output = output.slice(padding);
- }
- result.push(array);
- }
- else if (types.prefixedType('bytes')(outs[i].type)) {
- dynamicPart = dynamicPart.slice(padding);
- result.push(formatter(output.slice(0, padding)));
- output = output.slice(padding);
- } else {
- result.push(formatter(output.slice(0, padding)));
- output = output.slice(padding);
- }
- });
-
- return result;
-};
-
-/**
- * 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/config":6,"../utils/utils":7,"./formatters":3,"./types":4,"./utils":5}],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 <http://www.gnu.org/licenses/>.
-*/
-/** @file formatters.js
- * @authors:
- * Marek Kotewicz <marek@ethdev.com>
- * @date 2015
- */
-
-var BigNumber = require('bignumber.js');
-var utils = require('../utils/utils');
-var c = require('../utils/config');
-
-/**
- * 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 {String} right-aligned byte representation of int
- */
-var formatInputInt = function (value) {
- var padding = c.ETH_PADDING * 2;
- BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
- return utils.padLeft(utils.toTwosComplement(value).round().toString(16), padding);
-};
-
-/**
- * Formats input value to byte representation of string
- *
- * @method formatInputString
- * @param {String}
- * @returns {String} left-algined byte representation of string
- */
-var formatInputString = function (value) {
- return utils.fromAscii(value, c.ETH_PADDING).substr(2);
-};
-
-/**
- * Formats input value to byte representation of bool
- *
- * @method formatInputBool
- * @param {Boolean}
- * @returns {String} right-aligned byte representation bool
- */
-var formatInputBool = function (value) {
- return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0');
-};
-
-/**
- * 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 {String} byte representation of real
- */
-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 {String} bytes
- * @returns {BigNumber} right-aligned output bytes formatted to big number
- */
-var formatOutputInt = function (value) {
-
- value = 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 {String} bytes
- * @returns {BigNumeber} right-aligned output bytes formatted to uint
- */
-var formatOutputUInt = function (value) {
- value = value || "0";
- return new BigNumber(value, 16);
-};
-
-/**
- * Formats right-aligned output bytes to real
- *
- * @method formatOutputReal
- * @param {String}
- * @returns {BigNumber} input bytes formatted to real
- */
-var formatOutputReal = function (value) {
- return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128));
-};
-
-/**
- * Formats right-aligned output bytes to ureal
- *
- * @method formatOutputUReal
- * @param {String}
- * @returns {BigNumber} input bytes formatted to ureal
- */
-var formatOutputUReal = function (value) {
- return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128));
-};
-
-/**
- * Should be used to format output hash
- *
- * @method formatOutputHash
- * @param {String}
- * @returns {String} right-aligned output bytes formatted to hex
- */
-var formatOutputHash = function (value) {
- return "0x" + value;
-};
-
-/**
- * Should be used to format output bool
- *
- * @method formatOutputBool
- * @param {String}
- * @returns {Boolean} right-aligned input bytes formatted to bool
- */
-var formatOutputBool = function (value) {
- return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
-};
-
-/**
- * Should be used to format output string
- *
- * @method formatOutputString
- * @param {Sttring} left-aligned hex representation of string
- * @returns {String} ascii string
- */
-var formatOutputString = function (value) {
- return utils.toAscii(value);
-};
-
-/**
- * Should be used to format output address
- *
- * @method formatOutputAddress
- * @param {String} right-aligned input bytes
- * @returns {String} address
- */
-var formatOutputAddress = function (value) {
- return "0x" + value.slice(value.length - 40, value.length);
-};
-
-module.exports = {
- formatInputInt: formatInputInt,
- formatInputString: formatInputString,
- formatInputBool: formatInputBool,
- formatInputReal: formatInputReal,
- formatOutputInt: formatOutputInt,
- formatOutputUInt: formatOutputUInt,
- formatOutputReal: formatOutputReal,
- formatOutputUReal: formatOutputUReal,
- formatOutputHash: formatOutputHash,
- formatOutputBool: formatOutputBool,
- formatOutputString: formatOutputString,
- formatOutputAddress: formatOutputAddress
-};
-
-
-},{"../utils/config":6,"../utils/utils":7,"bignumber.js":8}],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 <http://www.gnu.org/licenses/>.
-*/
-/** @file types.js
- * @authors:
- * Marek Kotewicz <marek@ethdev.com>
- * @date 2015
- */
-
-var f = require('./formatters');
-
-/// @param expected type prefix (string)
-/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
-var prefixedType = function (prefix) {
- return function (type) {
- return type.indexOf(prefix) === 0;
- };
-};
-
-/// @param expected type name (string)
-/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
-var namedType = function (name) {
- return function (type) {
- return name === type;
- };
-};
-
-/// Setups input formatters for solidity types
-/// @returns an array of input formatters
-var inputTypes = function () {
-
- return [
- { type: prefixedType('uint'), format: f.formatInputInt },
- { type: prefixedType('int'), format: f.formatInputInt },
- { type: prefixedType('bytes'), format: f.formatInputString },
- { type: prefixedType('real'), format: f.formatInputReal },
- { type: prefixedType('ureal'), format: f.formatInputReal },
- { type: namedType('address'), format: f.formatInputInt },
- { type: namedType('bool'), format: f.formatInputBool }
- ];
-};
-
-/// Setups output formaters for solidity types
-/// @returns an array of output formatters
-var outputTypes = function () {
-
- return [
- { type: prefixedType('uint'), format: f.formatOutputUInt },
- { type: prefixedType('int'), format: f.formatOutputInt },
- { type: prefixedType('bytes'), format: f.formatOutputString },
- { type: prefixedType('real'), format: f.formatOutputReal },
- { type: prefixedType('ureal'), format: f.formatOutputUReal },
- { type: namedType('address'), format: f.formatOutputAddress },
- { type: namedType('bool'), format: f.formatOutputBool }
- ];
-};
-
-module.exports = {
- prefixedType: prefixedType,
- namedType: namedType,
- inputTypes: inputTypes,
- outputTypes: outputTypes
-};
-
-
-},{"./formatters":3}],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 <http://www.gnu.org/licenses/>.
-*/
-/**
- * @file utils.js
- * @author Marek Kotewicz <marek@ethdev.com>
- * @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];
-};
-
-/**
- * Filters all functions from input abi
- *
- * @method filterFunctions
- * @param {Array} abi
- * @returns {Array} abi array with filtered objects of type 'function'
- */
-var filterFunctions = function (json) {
- return json.filter(function (current) {
- return current.type === 'function';
- });
-};
-
-/**
- * Filters all events from input abi
- *
- * @method filterEvents
- * @param {Array} abi
- * @returns {Array} abi array with filtered objects of type 'event'
- */
-var filterEvents = function (json) {
- return json.filter(function (current) {
- return current.type === 'event';
- });
-};
-
-module.exports = {
- getConstructor: getConstructor,
- filterFunctions: filterFunctions,
- filterEvents: filterEvents
-};
-
-
-},{}],6:[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 <http://www.gnu.org/licenses/>.
-*/
-/** @file config.js
- * @authors:
- * Marek Kotewicz <marek@ethdev.com>
- * @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,
- ETH_DEFAULTBLOCK: 'latest'
-};
-
-
-},{"bignumber.js":8}],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 <http://www.gnu.org/licenses/>.
-*/
-/** @file utils.js
- * @authors:
- * Marek Kotewicz <marek@ethdev.com>
- * @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;
-};
-
-/** Finds first index of array element matching pattern
- *
- * @method findIndex
- * @param {Array}
- * @param {Function} pattern
- * @returns {Number} index of element
- */
-var findIndex = function (array, callback) {
- var end = false;
- var i = 0;
- for (; i < array.length && !end; i++) {
- end = callback(array[i]);
- }
- return end ? i - 1 : -1;
-};
-
-/**
- * Should be called to get sting from its 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 fromAscii
- * @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 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 its decimal representation in string
- *
- * @method toDecimal
- * @param {String|Number|BigNumber}
- * @return {String}
- */
-var toDecimal = function (value) {
- return toBigNumber(value).toNumber();
-};
-
-/**
- * Converts value to its 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 its 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,
- findIndex: findIndex,
- toHex: toHex,
- toDecimal: toDecimal,
- fromDecimal: fromDecimal,
- toAscii: toAscii,
- fromAscii: fromAscii,
- 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":8}],8:[function(require,module,exports){
-/*! bignumber.js v2.0.7 https://github.com/MikeMcl/bignumber.js/LICENCE */
-
-;(function (global) {
- 'use strict';
-
- /*
- bignumber.js v2.0.7
- A JavaScript library for arbitrary-precision arithmetic.
- https://github.com/MikeMcl/bignumber.js
- Copyright (c) 2015 Michael Mclaughlin <M8ch88l@gmail.com>
- MIT Expat Licence
- */
-
-
- var BigNumber, crypto, parseNumeric,
- isNumeric = /^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i,
- mathceil = Math.ceil,
- mathfloor = Math.floor,
- notBool = ' not a boolean or binary digit',
- roundingMode = 'rounding mode',
- tooManyDigits = 'number type has more than 15 significant digits',
- ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_',
- BASE = 1e14,
- LOG_BASE = 14,
- MAX_SAFE_INTEGER = 0x1fffffffffffff, // 2^53 - 1
- // MAX_INT32 = 0x7fffffff, // 2^31 - 1
- POWS_TEN = [1, 10, 100, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13],
- SQRT_BASE = 1e7,
-
- /*
- * The limit on the value of DECIMAL_PLACES, TO_EXP_NEG, TO_EXP_POS, MIN_EXP, MAX_EXP, and
- * the arguments to toExponential, toFixed, toFormat, and toPrecision, beyond which an
- * exception is thrown (if ERRORS is true).
- */
- MAX = 1E9; // 0 to MAX_INT32
-
-
- /*
- * Create and return a BigNumber constructor.
- */
- function another(configObj) {
- var div,
-
- // id tracks the caller function, so its name can be included in error messages.
- id = 0,
- P = BigNumber.prototype,
- ONE = new BigNumber(1),
-
-
- /********************************* EDITABLE DEFAULTS **********************************/
-
-
- /*
- * The default values below must be integers within the inclusive ranges stated.
- * The values can also be changed at run-time using BigNumber.config.
- */
-
- // The maximum number of decimal places for operations involving division.
- DECIMAL_PLACES = 20, // 0 to MAX
-
- /*
- * The rounding mode used when rounding to the above decimal places, and when using
- * toExponential, toFixed, toFormat and toPrecision, and round (default value).
- * UP 0 Away from zero.
- * DOWN 1 Towards zero.
- * CEIL 2 Towards +Infinity.
- * FLOOR 3 Towards -Infinity.
- * HALF_UP 4 Towards nearest neighbour. If equidistant, up.
- * HALF_DOWN 5 Towards nearest neighbour. If equidistant, down.
- * HALF_EVEN 6 Towards nearest neighbour. If equidistant, towards even neighbour.
- * HALF_CEIL 7 Towards nearest neighbour. If equidistant, towards +Infinity.
- * HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity.
- */
- ROUNDING_MODE = 4, // 0 to 8
-
- // EXPONENTIAL_AT : [TO_EXP_NEG , TO_EXP_POS]
-
- // The exponent value at and beneath which toString returns exponential notation.
- // Number type: -7
- TO_EXP_NEG = -7, // 0 to -MAX
-
- // The exponent value at and above which toString returns exponential notation.
- // Number type: 21
- TO_EXP_POS = 21, // 0 to MAX
-
- // RANGE : [MIN_EXP, MAX_EXP]
-
- // The minimum exponent value, beneath which underflow to zero occurs.
- // Number type: -324 (5e-324)
- MIN_EXP = -1e7, // -1 to -MAX
-
- // The maximum exponent value, above which overflow to Infinity occurs.
- // Number type: 308 (1.7976931348623157e+308)
- // For MAX_EXP > 1e7, e.g. new BigNumber('1e100000000').plus(1) may be slow.
- MAX_EXP = 1e7, // 1 to MAX
-
- // Whether BigNumber Errors are ever thrown.
- ERRORS = true, // true or false
-
- // Change to intValidatorNoErrors if ERRORS is false.
- isValidInt = intValidatorWithErrors, // intValidatorWithErrors/intValidatorNoErrors
-
- // Whether to use cryptographically-secure random number generation, if available.
- CRYPTO = false, // true or false
-
- /*
- * The modulo mode used when calculating the modulus: a mod n.
- * The quotient (q = a / n) is calculated according to the corresponding rounding mode.
- * The remainder (r) is calculated as: r = a - n * q.
- *
- * UP 0 The remainder is positive if the dividend is negative, else is negative.
- * DOWN 1 The remainder has the same sign as the dividend.
- * This modulo mode is commonly known as 'truncated division' and is
- * equivalent to (a % n) in JavaScript.
- * FLOOR 3 The remainder has the same sign as the divisor (Python %).
- * HALF_EVEN 6 This modulo mode implements the IEEE 754 remainder function.
- * EUCLID 9 Euclidian division. q = sign(n) * floor(a / abs(n)).
- * The remainder is always positive.
- *
- * The truncated division, floored division, Euclidian division and IEEE 754 remainder
- * modes are commonly used for the modulus operation.
- * Although the other rounding modes can also be used, they may not give useful results.
- */
- MODULO_MODE = 1, // 0 to 9
-
- // The maximum number of significant digits of the result of the toPower operation.
- // If POW_PRECISION is 0, there will be unlimited significant digits.
- POW_PRECISION = 100, // 0 to MAX
-
- // The format specification used by the BigNumber.prototype.toFormat method.
- FORMAT = {
- decimalSeparator: '.',
- groupSeparator: ',',
- groupSize: 3,
- secondaryGroupSize: 0,
- fractionGroupSeparator: '\xA0', // non-breaking space
- fractionGroupSize: 0
- };
-
-
- /******************************************************************************************/
-
-
- // CONSTRUCTOR
-
-
- /*
- * The BigNumber constructor and exported function.
- * Create and return a new instance of a BigNumber object.
- *
- * n {number|string|BigNumber} A numeric value.
- * [b] {number} The base of n. Integer, 2 to 64 inclusive.
- */
- function BigNumber( n, b ) {
- var c, e, i, num, len, str,
- x = this;
-
- // Enable constructor usage without new.
- if ( !( x instanceof BigNumber ) ) {
-
- // 'BigNumber() constructor call without new: {n}'
- if (ERRORS) raise( 26, 'constructor call without new', n );
- return new BigNumber( n, b );
- }
-
- // 'new BigNumber() base not an integer: {b}'
- // 'new BigNumber() base out of range: {b}'
- if ( b == null || !isValidInt( b, 2, 64, id, 'base' ) ) {
-
- // Duplicate.
- if ( n instanceof BigNumber ) {
- x.s = n.s;
- x.e = n.e;
- x.c = ( n = n.c ) ? n.slice() : n;
- id = 0;
- return;
- }
-
- if ( ( num = typeof n == 'number' ) && n * 0 == 0 ) {
- x.s = 1 / n < 0 ? ( n = -n, -1 ) : 1;
-
- // Fast path for integers.
- if ( n === ~~n ) {
- for ( e = 0, i = n; i >= 10; i /= 10, e++ );
- x.e = e;
- x.c = [n];
- id = 0;
- return;
- }
-
- str = n + '';
- } else {
- if ( !isNumeric.test( str = n + '' ) ) return parseNumeric( x, str, num );
- x.s = str.charCodeAt(0) === 45 ? ( str = str.slice(1), -1 ) : 1;
- }
- } else {
- b = b | 0;
- str = n + '';
-
- // Ensure return value is rounded to DECIMAL_PLACES as with other bases.
- // Allow exponential notation to be used with base 10 argument.
- if ( b == 10 ) {
- x = new BigNumber( n instanceof BigNumber ? n : str );
- return round( x, DECIMAL_PLACES + x.e + 1, ROUNDING_MODE );
- }
-
- // Avoid potential interpretation of Infinity and NaN as base 44+ values.
- // Any number in exponential form will fail due to the [Ee][+-].
- if ( ( num = typeof n == 'number' ) && n * 0 != 0 ||
- !( new RegExp( '^-?' + ( c = '[' + ALPHABET.slice( 0, b ) + ']+' ) +
- '(?:\\.' + c + ')?$',b < 37 ? 'i' : '' ) ).test(str) ) {
- return parseNumeric( x, str, num, b );
- }
-
- if (num) {
- x.s = 1 / n < 0 ? ( str = str.slice(1), -1 ) : 1;
-
- if ( ERRORS && str.replace( /^0\.0*|\./, '' ).length > 15 ) {
-
- // 'new BigNumber() number type has more than 15 significant digits: {n}'
- raise( id, tooManyDigits, n );
- }
-
- // Prevent later check for length on converted number.
- num = false;
- } else {
- x.s = str.charCodeAt(0) === 45 ? ( str = str.slice(1), -1 ) : 1;
- }
-
- str = convertBase( str, 10, b, x.s );
- }
-
- // Decimal point?
- if ( ( e = str.indexOf('.') ) > -1 ) str = str.replace( '.', '' );
-
- // Exponential form?
- if ( ( i = str.search( /e/i ) ) > 0 ) {
-
- // Determine exponent.
- if ( e < 0 ) e = i;
- e += +str.slice( i + 1 );
- str = str.substring( 0, i );
- } else if ( e < 0 ) {
-
- // Integer.
- e = str.length;
- }
-
- // Determine leading zeros.
- for ( i = 0; str.charCodeAt(i) === 48; i++ );
-
- // Determine trailing zeros.
- for ( len = str.length; str.charCodeAt(--len) === 48; );
- str = str.slice( i, len + 1 );
-
- if (str) {
- len = str.length;
-
- // Disallow numbers with over 15 significant digits if number type.
- // 'new BigNumber() number type has more than 15 significant digits: {n}'
- if ( num && ERRORS && len > 15 ) raise( id, tooManyDigits, x.s * n );
-
- e = e - i - 1;
-
- // Overflow?
- if ( e > MAX_EXP ) {
-
- // Infinity.
- x.c = x.e = null;
-
- // Underflow?
- } else if ( e < MIN_EXP ) {
-
- // Zero.
- x.c = [ x.e = 0 ];
- } else {
- x.e = e;
- x.c = [];
-
- // Transform base
-
- // e is the base 10 exponent.
- // i is where to slice str to get the first element of the coefficient array.
- i = ( e + 1 ) % LOG_BASE;
- if ( e < 0 ) i += LOG_BASE;
-
- if ( i < len ) {
- if (i) x.c.push( +str.slice( 0, i ) );
-
- for ( len -= LOG_BASE; i < len; ) {
- x.c.push( +str.slice( i, i += LOG_BASE ) );
- }
-
- str = str.slice(i);
- i = LOG_BASE - str.length;
- } else {
- i -= len;
- }
-
- for ( ; i--; str += '0' );
- x.c.push( +str );
- }
- } else {
-
- // Zero.
- x.c = [ x.e = 0 ];
- }
-
- id = 0;
- }
-
-
- // CONSTRUCTOR PROPERTIES
-
-
- BigNumber.another = another;
-
- BigNumber.ROUND_UP = 0;
- BigNumber.ROUND_DOWN = 1;
- BigNumber.ROUND_CEIL = 2;
- BigNumber.ROUND_FLOOR = 3;
- BigNumber.ROUND_HALF_UP = 4;
- BigNumber.ROUND_HALF_DOWN = 5;
- BigNumber.ROUND_HALF_EVEN = 6;
- BigNumber.ROUND_HALF_CEIL = 7;
- BigNumber.ROUND_HALF_FLOOR = 8;
- BigNumber.EUCLID = 9;
-
-
- /*
- * Configure infrequently-changing library-wide settings.
- *
- * Accept an object or an argument list, with one or many of the following properties or
- * parameters respectively:
- *
- * DECIMAL_PLACES {number} Integer, 0 to MAX inclusive
- * ROUNDING_MODE {number} Integer, 0 to 8 inclusive
- * EXPONENTIAL_AT {number|number[]} Integer, -MAX to MAX inclusive or
- * [integer -MAX to 0 incl., 0 to MAX incl.]
- * RANGE {number|number[]} Non-zero integer, -MAX to MAX inclusive or
- * [integer -MAX to -1 incl., integer 1 to MAX incl.]
- * ERRORS {boolean|number} true, false, 1 or 0
- * CRYPTO {boolean|number} true, false, 1 or 0
- * MODULO_MODE {number} 0 to 9 inclusive
- * POW_PRECISION {number} 0 to MAX inclusive
- * FORMAT {object} See BigNumber.prototype.toFormat
- * decimalSeparator {string}
- * groupSeparator {string}
- * groupSize {number}
- * secondaryGroupSize {number}
- * fractionGroupSeparator {string}
- * fractionGroupSize {number}
- *
- * (The values assigned to the above FORMAT object properties are not checked for validity.)
- *
- * E.g.
- * BigNumber.config(20, 4) is equivalent to
- * BigNumber.config({ DECIMAL_PLACES : 20, ROUNDING_MODE : 4 })
- *
- * Ignore properties/parameters set to null or undefined.
- * Return an object with the properties current values.
- */
- BigNumber.config = function () {
- var v, p,
- i = 0,
- r = {},
- a = arguments,
- o = a[0],
- has = o && typeof o == 'object'
- ? function () { if ( o.hasOwnProperty(p) ) return ( v = o[p] ) != null; }
- : function () { if ( a.length > i ) return ( v = a[i++] ) != null; };
-
- // DECIMAL_PLACES {number} Integer, 0 to MAX inclusive.
- // 'config() DECIMAL_PLACES not an integer: {v}'
- // 'config() DECIMAL_PLACES out of range: {v}'
- if ( has( p = 'DECIMAL_PLACES' ) && isValidInt( v, 0, MAX, 2, p ) ) {
- DECIMAL_PLACES = v | 0;
- }
- r[p] = DECIMAL_PLACES;
-
- // ROUNDING_MODE {number} Integer, 0 to 8 inclusive.
- // 'config() ROUNDING_MODE not an integer: {v}'
- // 'config() ROUNDING_MODE out of range: {v}'
- if ( has( p = 'ROUNDING_MODE' ) && isValidInt( v, 0, 8, 2, p ) ) {
- ROUNDING_MODE = v | 0;
- }
- r[p] = ROUNDING_MODE;
-
- // EXPONENTIAL_AT {number|number[]}
- // Integer, -MAX to MAX inclusive or [integer -MAX to 0 inclusive, 0 to MAX inclusive].
- // 'config() EXPONENTIAL_AT not an integer: {v}'
- // 'config() EXPONENTIAL_AT out of range: {v}'
- if ( has( p = 'EXPONENTIAL_AT' ) ) {
-
- if ( isArray(v) ) {
- if ( isValidInt( v[0], -MAX, 0, 2, p ) && isValidInt( v[1], 0, MAX, 2, p ) ) {
- TO_EXP_NEG = v[0] | 0;
- TO_EXP_POS = v[1] | 0;
- }
- } else if ( isValidInt( v, -MAX, MAX, 2, p ) ) {
- TO_EXP_NEG = -( TO_EXP_POS = ( v < 0 ? -v : v ) | 0 );
- }
- }
- r[p] = [ TO_EXP_NEG, TO_EXP_POS ];
-
- // RANGE {number|number[]} Non-zero integer, -MAX to MAX inclusive or
- // [integer -MAX to -1 inclusive, integer 1 to MAX inclusive].
- // 'config() RANGE not an integer: {v}'
- // 'config() RANGE cannot be zero: {v}'
- // 'config() RANGE out of range: {v}'
- if ( has( p = 'RANGE' ) ) {
-
- if ( isArray(v) ) {
- if ( isValidInt( v[0], -MAX, -1, 2, p ) && isValidInt( v[1], 1, MAX, 2, p ) ) {
- MIN_EXP = v[0] | 0;
- MAX_EXP = v[1] | 0;
- }
- } else if ( isValidInt( v, -MAX, MAX, 2, p ) ) {
- if ( v | 0 ) MIN_EXP = -( MAX_EXP = ( v < 0 ? -v : v ) | 0 );
- else if (ERRORS) raise( 2, p + ' cannot be zero', v );
- }
- }
- r[p] = [ MIN_EXP, MAX_EXP ];
-
- // ERRORS {boolean|number} true, false, 1 or 0.
- // 'config() ERRORS not a boolean or binary digit: {v}'
- if ( has( p = 'ERRORS' ) ) {
-
- if ( v === !!v || v === 1 || v === 0 ) {
- id = 0;
- isValidInt = ( ERRORS = !!v ) ? intValidatorWithErrors : intValidatorNoErrors;
- } else if (ERRORS) {
- raise( 2, p + notBool, v );
- }
- }
- r[p] = ERRORS;
-
- // CRYPTO {boolean|number} true, false, 1 or 0.
- // 'config() CRYPTO not a boolean or binary digit: {v}'
- // 'config() crypto unavailable: {crypto}'
- if ( has( p = 'CRYPTO' ) ) {
-
- if ( v === !!v || v === 1 || v === 0 ) {
- CRYPTO = !!( v && crypto && typeof crypto == 'object' );
- if ( v && !CRYPTO && ERRORS ) raise( 2, 'crypto unavailable', crypto );
- } else if (ERRORS) {
- raise( 2, p + notBool, v );
- }
- }
- r[p] = CRYPTO;
-
- // MODULO_MODE {number} Integer, 0 to 9 inclusive.
- // 'config() MODULO_MODE not an integer: {v}'
- // 'config() MODULO_MODE out of range: {v}'
- if ( has( p = 'MODULO_MODE' ) && isValidInt( v, 0, 9, 2, p ) ) {
- MODULO_MODE = v | 0;
- }
- r[p] = MODULO_MODE;
-
- // POW_PRECISION {number} Integer, 0 to MAX inclusive.
- // 'config() POW_PRECISION not an integer: {v}'
- // 'config() POW_PRECISION out of range: {v}'
- if ( has( p = 'POW_PRECISION' ) && isValidInt( v, 0, MAX, 2, p ) ) {
- POW_PRECISION = v | 0;
- }
- r[p] = POW_PRECISION;
-
- // FORMAT {object}
- // 'config() FORMAT not an object: {v}'
- if ( has( p = 'FORMAT' ) ) {
-
- if ( typeof v == 'object' ) {
- FORMAT = v;
- } else if (ERRORS) {
- raise( 2, p + ' not an object', v );
- }
- }
- r[p] = FORMAT;
-
- return r;
- };
-
-
- /*
- * Return a new BigNumber whose value is the maximum of the arguments.
- *
- * arguments {number|string|BigNumber}
- */
- BigNumber.max = function () { return maxOrMin( arguments, P.lt ); };
-
-
- /*
- * Return a new BigNumber whose value is the minimum of the arguments.
- *
- * arguments {number|string|BigNumber}
- */
- BigNumber.min = function () { return maxOrMin( arguments, P.gt ); };
-
-
- /*
- * Return a new BigNumber with a random value equal to or greater than 0 and less than 1,
- * and with dp, or DECIMAL_PLACES if dp is omitted, decimal places (or less if trailing
- * zeros are produced).
- *
- * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
- *
- * 'random() decimal places not an integer: {dp}'
- * 'random() decimal places out of range: {dp}'
- * 'random() crypto unavailable: {crypto}'
- */
- BigNumber.random = (function () {
- var pow2_53 = 0x20000000000000;
-
- // Return a 53 bit integer n, where 0 <= n < 9007199254740992.
- // Check if Math.random() produces more than 32 bits of randomness.
- // If it does, assume at least 53 bits are produced, otherwise assume at least 30 bits.
- // 0x40000000 is 2^30, 0x800000 is 2^23, 0x1fffff is 2^21 - 1.
- var random53bitInt = (Math.random() * pow2_53) & 0x1fffff
- ? function () { return mathfloor( Math.random() * pow2_53 ); }
- : function () { return ((Math.random() * 0x40000000 | 0) * 0x800000) +
- (Math.random() * 0x800000 | 0); };
-
- return function (dp) {
- var a, b, e, k, v,
- i = 0,
- c = [],
- rand = new BigNumber(ONE);
-
- dp = dp == null || !isValidInt( dp, 0, MAX, 14 ) ? DECIMAL_PLACES : dp | 0;
- k = mathceil( dp / LOG_BASE );
-
- if (CRYPTO) {
-
- // Browsers supporting crypto.getRandomValues.
- if ( crypto && crypto.getRandomValues ) {
-
- a = crypto.getRandomValues( new Uint32Array( k *= 2 ) );
-
- for ( ; i < k; ) {
-
- // 53 bits:
- // ((Math.pow(2, 32) - 1) * Math.pow(2, 21)).toString(2)
- // 11111 11111111 11111111 11111111 11100000 00000000 00000000
- // ((Math.pow(2, 32) - 1) >>> 11).toString(2)
- // 11111 11111111 11111111
- // 0x20000 is 2^21.
- v = a[i] * 0x20000 + (a[i + 1] >>> 11);
-
- // Rejection sampling:
- // 0 <= v < 9007199254740992
- // Probability that v >= 9e15, is
- // 7199254740992 / 9007199254740992 ~= 0.0008, i.e. 1 in 1251
- if ( v >= 9e15 ) {
- b = crypto.getRandomValues( new Uint32Array(2) );
- a[i] = b[0];
- a[i + 1] = b[1];
- } else {
-
- // 0 <= v <= 8999999999999999
- // 0 <= (v % 1e14) <= 99999999999999
- c.push( v % 1e14 );
- i += 2;
- }
- }
- i = k / 2;
-
- // Node.js supporting crypto.randomBytes.
- } else if ( crypto && crypto.randomBytes ) {
-
- // buffer
- a = crypto.randomBytes( k *= 7 );
-
- for ( ; i < k; ) {
-
- // 0x1000000000000 is 2^48, 0x10000000000 is 2^40
- // 0x100000000 is 2^32, 0x1000000 is 2^24
- // 11111 11111111 11111111 11111111 11111111 11111111 11111111
- // 0 <= v < 9007199254740992
- v = ( ( a[i] & 31 ) * 0x1000000000000 ) + ( a[i + 1] * 0x10000000000 ) +
- ( a[i + 2] * 0x100000000 ) + ( a[i + 3] * 0x1000000 ) +
- ( a[i + 4] << 16 ) + ( a[i + 5] << 8 ) + a[i + 6];
-
- if ( v >= 9e15 ) {
- crypto.randomBytes(7).copy( a, i );
- } else {
-
- // 0 <= (v % 1e14) <= 99999999999999
- c.push( v % 1e14 );
- i += 7;
- }
- }
- i = k / 7;
- } else if (ERRORS) {
- raise( 14, 'crypto unavailable', crypto );
- }
- }
-
- // Use Math.random: CRYPTO is false or crypto is unavailable and ERRORS is false.
- if (!i) {
-
- for ( ; i < k; ) {
- v = random53bitInt();
- if ( v < 9e15 ) c[i++] = v % 1e14;
- }
- }
-
- k = c[--i];
- dp %= LOG_BASE;
-
- // Convert trailing digits to zeros according to dp.
- if ( k && dp ) {
- v = POWS_TEN[LOG_BASE - dp];
- c[i] = mathfloor( k / v ) * v;
- }
-
- // Remove trailing elements which are zero.
- for ( ; c[i] === 0; c.pop(), i-- );
-
- // Zero?
- if ( i < 0 ) {
- c = [ e = 0 ];
- } else {
-
- // Remove leading elements which are zero and adjust exponent accordingly.
- for ( e = -1 ; c[0] === 0; c.shift(), e -= LOG_BASE);
-
- // Count the digits of the first element of c to determine leading zeros, and...
- for ( i = 1, v = c[0]; v >= 10; v /= 10, i++);
-
- // adjust the exponent accordingly.
- if ( i < LOG_BASE ) e -= LOG_BASE - i;
- }
-
- rand.e = e;
- rand.c = c;
- return rand;
- };
- })();
-
-
- // PRIVATE FUNCTIONS
-
-
- // Convert a numeric string of baseIn to a numeric string of baseOut.
- function convertBase( str, baseOut, baseIn, sign ) {
- var d, e, k, r, x, xc, y,
- i = str.indexOf( '.' ),
- dp = DECIMAL_PLACES,
- rm = ROUNDING_MODE;
-
- if ( baseIn < 37 ) str = str.toLowerCase();
-
- // Non-integer.
- if ( i >= 0 ) {
- k = POW_PRECISION;
-
- // Unlimited precision.
- POW_PRECISION = 0;
- str = str.replace( '.', '' );
- y = new BigNumber(baseIn);
- x = y.pow( str.length - i );
- POW_PRECISION = k;
-
- // Convert str as if an integer, then restore the fraction part by dividing the
- // result by its base raised to a power.
- y.c = toBaseOut( toFixedPoint( coeffToString( x.c ), x.e ), 10, baseOut );
- y.e = y.c.length;
- }
-
- // Convert the number as integer.
- xc = toBaseOut( str, baseIn, baseOut );
- e = k = xc.length;
-
- // Remove trailing zeros.
- for ( ; xc[--k] == 0; xc.pop() );
- if ( !xc[0] ) return '0';
-
- if ( i < 0 ) {
- --e;
- } else {
- x.c = xc;
- x.e = e;
-
- // sign is needed for correct rounding.
- x.s = sign;
- x = div( x, y, dp, rm, baseOut );
- xc = x.c;
- r = x.r;
- e = x.e;
- }
-
- d = e + dp + 1;
-
- // The rounding digit, i.e. the digit to the right of the digit that may be rounded up.
- i = xc[d];
- k = baseOut / 2;
- r = r || d < 0 || xc[d + 1] != null;
-
- r = rm < 4 ? ( i != null || r ) && ( rm == 0 || rm == ( x.s < 0 ? 3 : 2 ) )
- : i > k || i == k &&( rm == 4 || r || rm == 6 && xc[d - 1] & 1 ||
- rm == ( x.s < 0 ? 8 : 7 ) );
-
- if ( d < 1 || !xc[0] ) {
-
- // 1^-dp or 0.
- str = r ? toFixedPoint( '1', -dp ) : '0';
- } else {
- xc.length = d;
-
- if (r) {
-
- // Rounding up may mean the previous digit has to be rounded up and so on.
- for ( --baseOut; ++xc[--d] > baseOut; ) {
- xc[d] = 0;
-
- if ( !d ) {
- ++e;
- xc.unshift(1);
- }
- }
- }
-
- // Determine trailing zeros.
- for ( k = xc.length; !xc[--k]; );
-
- // E.g. [4, 11, 15] becomes 4bf.
- for ( i = 0, str = ''; i <= k; str += ALPHABET.charAt( xc[i++] ) );
- str = toFixedPoint( str, e );
- }
-
- // The caller will add the sign.
- return str;
- }
-
-
- // Perform division in the specified base. Called by div and convertBase.
- div = (function () {
-
- // Assume non-zero x and k.
- function multiply( x, k, base ) {
- var m, temp, xlo, xhi,
- carry = 0,
- i = x.length,
- klo = k % SQRT_BASE,
- khi = k / SQRT_BASE | 0;
-
- for ( x = x.slice(); i--; ) {
- xlo = x[i] % SQRT_BASE;
- xhi = x[i] / SQRT_BASE | 0;
- m = khi * xlo + xhi * klo;
- temp = klo * xlo + ( ( m % SQRT_BASE ) * SQRT_BASE ) + carry;
- carry = ( temp / base | 0 ) + ( m / SQRT_BASE | 0 ) + khi * xhi;
- x[i] = temp % base;
- }
-
- if (carry) x.unshift(carry);
-
- return x;
- }
-
- function compare( a, b, aL, bL ) {
- var i, cmp;
-
- if ( aL != bL ) {
- cmp = aL > bL ? 1 : -1;
- } else {
-
- for ( i = cmp = 0; i < aL; i++ ) {
-
- if ( a[i] != b[i] ) {
- cmp = a[i] > b[i] ? 1 : -1;
- break;
- }
- }
- }
- return cmp;
- }
-
- function subtract( a, b, aL, base ) {
- var i = 0;
-
- // Subtract b from a.
- for ( ; aL--; ) {
- a[aL] -= i;
- i = a[aL] < b[aL] ? 1 : 0;
- a[aL] = i * base + a[aL] - b[aL];
- }
-
- // Remove leading zeros.
- for ( ; !a[0] && a.length > 1; a.shift() );
- }
-
- // x: dividend, y: divisor.
- return function ( x, y, dp, rm, base ) {
- var cmp, e, i, more, n, prod, prodL, q, qc, rem, remL, rem0, xi, xL, yc0,
- yL, yz,
- s = x.s == y.s ? 1 : -1,
- xc = x.c,
- yc = y.c;
-
- // Either NaN, Infinity or 0?
- if ( !xc || !xc[0] || !yc || !yc[0] ) {
-
- return new BigNumber(
-
- // Return NaN if either NaN, or both Infinity or 0.
- !x.s || !y.s || ( xc ? yc && xc[0] == yc[0] : !yc ) ? NaN :
-
- // Return ±0 if x is ±0 or y is ±Infinity, or return ±Infinity as y is ±0.
- xc && xc[0] == 0 || !yc ? s * 0 : s / 0
- );
- }
-
- q = new BigNumber(s);
- qc = q.c = [];
- e = x.e - y.e;
- s = dp + e + 1;
-
- if ( !base ) {
- base = BASE;
- e = bitFloor( x.e / LOG_BASE ) - bitFloor( y.e / LOG_BASE );
- s = s / LOG_BASE | 0;
- }
-
- // Result exponent may be one less then the current value of e.
- // The coefficients of the BigNumbers from convertBase may have trailing zeros.
- for ( i = 0; yc[i] == ( xc[i] || 0 ); i++ );
- if ( yc[i] > ( xc[i] || 0 ) ) e--;
-
- if ( s < 0 ) {
- qc.push(1);
- more = true;
- } else {
- xL = xc.length;
- yL = yc.length;
- i = 0;
- s += 2;
-
- // Normalise xc and yc so highest order digit of yc is >= base / 2.
-
- n = mathfloor( base / ( yc[0] + 1 ) );
-
- // Not necessary, but to handle odd bases where yc[0] == ( base / 2 ) - 1.
- // if ( n > 1 || n++ == 1 && yc[0] < base / 2 ) {
- if ( n > 1 ) {
- yc = multiply( yc, n, base );
- xc = multiply( xc, n, base );
- yL = yc.length;
- xL = xc.length;
- }
-
- xi = yL;
- rem = xc.slice( 0, yL );
- remL = rem.length;
-
- // Add zeros to make remainder as long as divisor.
- for ( ; remL < yL; rem[remL++] = 0 );
- yz = yc.slice();
- yz.unshift(0);
- yc0 = yc[0];
- if ( yc[1] >= base / 2 ) yc0++;
- // Not necessary, but to prevent trial digit n > base, when using base 3.
- // else if ( base == 3 && yc0 == 1 ) yc0 = 1 + 1e-15;
-
- do {
- n = 0;
-
- // Compare divisor and remainder.
- cmp = compare( yc, rem, yL, remL );
-
- // If divisor < remainder.
- if ( cmp < 0 ) {
-
- // Calculate trial digit, n.
-
- rem0 = rem[0];
- if ( yL != remL ) rem0 = rem0 * base + ( rem[1] || 0 );
-
- // n is how many times the divisor goes into the current remainder.
- n = mathfloor( rem0 / yc0 );
-
- // Algorithm:
- // 1. product = divisor * trial digit (n)
- // 2. if product > remainder: product -= divisor, n--
- // 3. remainder -= product
- // 4. if product was < remainder at 2:
- // 5. compare new remainder and divisor
- // 6. If remainder > divisor: remainder -= divisor, n++
-
- if ( n > 1 ) {
-
- // n may be > base only when base is 3.
- if (n >= base) n = base - 1;
-
- // product = divisor * trial digit.
- prod = multiply( yc, n, base );
- prodL = prod.length;
- remL = rem.length;
-
- // Compare product and remainder.
- // If product > remainder.
- // Trial digit n too high.
- // n is 1 too high about 5% of the time, and is not known to have
- // ever been more than 1 too high.
- while ( compare( prod, rem, prodL, remL ) == 1 ) {
- n--;
-
- // Subtract divisor from product.
- subtract( prod, yL < prodL ? yz : yc, prodL, base );
- prodL = prod.length;
- cmp = 1;
- }
- } else {
-
- // n is 0 or 1, cmp is -1.
- // If n is 0, there is no need to compare yc and rem again below,
- // so change cmp to 1 to avoid it.
- // If n is 1, leave cmp as -1, so yc and rem are compared again.
- if ( n == 0 ) {
-
- // divisor < remainder, so n must be at least 1.
- cmp = n = 1;
- }
-
- // product = divisor
- prod = yc.slice();
- prodL = prod.length;
- }
-
- if ( prodL < remL ) prod.unshift(0);
-
- // Subtract product from remainder.
- subtract( rem, prod, remL, base );
- remL = rem.length;
-
- // If product was < remainder.
- if ( cmp == -1 ) {
-
- // Compare divisor and new remainder.
- // If divisor < new remainder, subtract divisor from remainder.
- // Trial digit n too low.
- // n is 1 too low about 5% of the time, and very rarely 2 too low.
- while ( compare( yc, rem, yL, remL ) < 1 ) {
- n++;
-
- // Subtract divisor from remainder.
- subtract( rem, yL < remL ? yz : yc, remL, base );
- remL = rem.length;
- }
- }
- } else if ( cmp === 0 ) {
- n++;
- rem = [0];
- } // else cmp === 1 and n will be 0
-
- // Add the next digit, n, to the result array.
- qc[i++] = n;
-
- // Update the remainder.
- if ( rem[0] ) {
- rem[remL++] = xc[xi] || 0;
- } else {
- rem = [ xc[xi] ];
- remL = 1;
- }
- } while ( ( xi++ < xL || rem[0] != null ) && s-- );
-
- more = rem[0] != null;
-
- // Leading zero?
- if ( !qc[0] ) qc.shift();
- }
-
- if ( base == BASE ) {
-
- // To calculate q.e, first get the number of digits of qc[0].
- for ( i = 1, s = qc[0]; s >= 10; s /= 10, i++ );
- round( q, dp + ( q.e = i + e * LOG_BASE - 1 ) + 1, rm, more );
-
- // Caller is convertBase.
- } else {
- q.e = e;
- q.r = +more;
- }
-
- return q;
- };
- })();
-
-
- /*
- * Return a string representing the value of BigNumber n in fixed-point or exponential
- * notation rounded to the specified decimal places or significant digits.
- *
- * n is a BigNumber.
- * i is the index of the last digit required (i.e. the digit that may be rounded up).
- * rm is the rounding mode.
- * caller is caller id: toExponential 19, toFixed 20, toFormat 21, toPrecision 24.
- */
- function format( n, i, rm, caller ) {
- var c0, e, ne, len, str;
-
- rm = rm != null && isValidInt( rm, 0, 8, caller, roundingMode )
- ? rm | 0 : ROUNDING_MODE;
-
- if ( !n.c ) return n.toString();
- c0 = n.c[0];
- ne = n.e;
-
- if ( i == null ) {
- str = coeffToString( n.c );
- str = caller == 19 || caller == 24 && ne <= TO_EXP_NEG
- ? toExponential( str, ne )
- : toFixedPoint( str, ne );
- } else {
- n = round( new BigNumber(n), i, rm );
-
- // n.e may have changed if the value was rounded up.
- e = n.e;
-
- str = coeffToString( n.c );
- len = str.length;
-
- // toPrecision returns exponential notation if the number of significant digits
- // specified is less than the number of digits necessary to represent the integer
- // part of the value in fixed-point notation.
-
- // Exponential notation.
- if ( caller == 19 || caller == 24 && ( i <= e || e <= TO_EXP_NEG ) ) {
-
- // Append zeros?
- for ( ; len < i; str += '0', len++ );
- str = toExponential( str, e );
-
- // Fixed-point notation.
- } else {
- i -= ne;
- str = toFixedPoint( str, e );
-
- // Append zeros?
- if ( e + 1 > len ) {
- if ( --i > 0 ) for ( str += '.'; i--; str += '0' );
- } else {
- i += e - len;
- if ( i > 0 ) {
- if ( e + 1 == len ) str += '.';
- for ( ; i--; str += '0' );
- }
- }
- }
- }
-
- return n.s < 0 && c0 ? '-' + str : str;
- }
-
-
- // Handle BigNumber.max and BigNumber.min.
- function maxOrMin( args, method ) {
- var m, n,
- i = 0;
-
- if ( isArray( args[0] ) ) args = args[0];
- m = new BigNumber( args[0] );
-
- for ( ; ++i < args.length; ) {
- n = new BigNumber( args[i] );
-
- // If any number is NaN, return NaN.
- if ( !n.s ) {
- m = n;
- break;
- } else if ( method.call( m, n ) ) {
- m = n;
- }
- }
-
- return m;
- }
-
-
- /*
- * Return true if n is an integer in range, otherwise throw.
- * Use for argument validation when ERRORS is true.
- */
- function intValidatorWithErrors( n, min, max, caller, name ) {
- if ( n < min || n > max || n != truncate(n) ) {
- raise( caller, ( name || 'decimal places' ) +
- ( n < min || n > max ? ' out of range' : ' not an integer' ), n );
- }
-
- return true;
- }
-
-
- /*
- * Strip trailing zeros, calculate base 10 exponent and check against MIN_EXP and MAX_EXP.
- * Called by minus, plus and times.
- */
- function normalise( n, c, e ) {
- var i = 1,
- j = c.length;
-
- // Remove trailing zeros.
- for ( ; !c[--j]; c.pop() );
-
- // Calculate the base 10 exponent. First get the number of digits of c[0].
- for ( j = c[0]; j >= 10; j /= 10, i++ );
-
- // Overflow?
- if ( ( e = i + e * LOG_BASE - 1 ) > MAX_EXP ) {
-
- // Infinity.
- n.c = n.e = null;
-
- // Underflow?
- } else if ( e < MIN_EXP ) {
-
- // Zero.
- n.c = [ n.e = 0 ];
- } else {
- n.e = e;
- n.c = c;
- }
-
- return n;
- }
-
-
- // Handle values that fail the validity test in BigNumber.
- parseNumeric = (function () {
- var basePrefix=/^(-?)0([xbo])/i,
- dotAfter=/^([^.]+)\.$/,
- dotBefore=/^\.([^.]+)$/,
- isInfinityOrNaN=/^-?(Infinity|NaN)$/,
- whitespaceOrPlus=/^\s*\+|^\s+|\s+$/g;
-
- return function ( x, str, num, b ) {
- var base,
- s = num ? str : str.replace( whitespaceOrPlus, '' );
-
- // No exception on ±Infinity or NaN.
- if ( isInfinityOrNaN.test(s) ) {
- x.s = isNaN(s) ? null : s < 0 ? -1 : 1;
- } else {
- if ( !num ) {
-
- // basePrefix = /^(-?)0([xbo])(?=\w[\w.]*$)/i
- s = s.replace( basePrefix, function ( m, p1, p2 ) {
- base = ( p2 = p2.toLowerCase() ) == 'x' ? 16 : p2 == 'b' ? 2 : 8;
- return !b || b == base ? p1 : m;
- });
-
- if (b) {
- base = b;
-
- // E.g. '1.' to '1', '.1' to '0.1'
- s = s.replace( dotAfter, '$1' ).replace( dotBefore, '0.$1' );
- }
-
- if ( str != s ) return new BigNumber( s, base );
- }
-
- // 'new BigNumber() not a number: {n}'
- // 'new BigNumber() not a base {b} number: {n}'
- if (ERRORS) raise( id, 'not a' + ( b ? ' base ' + b : '' ) + ' number', str );
- x.s = null;
- }
-
- x.c = x.e = null;
- id = 0;
- }
- })();
-
-
- // Throw a BigNumber Error.
- function raise( caller, msg, val ) {
- var error = new Error( [
- 'new BigNumber', // 0
- 'cmp', // 1
- 'config', // 2
- 'div', // 3
- 'divToInt', // 4
- 'eq', // 5
- 'gt', // 6
- 'gte', // 7
- 'lt', // 8
- 'lte', // 9
- 'minus', // 10
- 'mod', // 11
- 'plus', // 12
- 'precision', // 13
- 'random', // 14
- 'round', // 15
- 'shift', // 16
- 'times', // 17
- 'toDigits', // 18
- 'toExponential', // 19
- 'toFixed', // 20
- 'toFormat', // 21
- 'toFraction', // 22
- 'pow', // 23
- 'toPrecision', // 24
- 'toString', // 25
- 'BigNumber' // 26
- ][caller] + '() ' + msg + ': ' + val );
-
- error.name = 'BigNumber Error';
- id = 0;
- throw error;
- }
-
-
- /*
- * Round x to sd significant digits using rounding mode rm. Check for over/under-flow.
- * If r is truthy, it is known that there are more digits after the rounding digit.
- */
- function round( x, sd, rm, r ) {
- var d, i, j, k, n, ni, rd,
- xc = x.c,
- pows10 = POWS_TEN;
-
- // if x is not Infinity or NaN...
- if (xc) {
-
- // rd is the rounding digit, i.e. the digit after the digit that may be rounded up.
- // n is a base 1e14 number, the value of the element of array x.c containing rd.
- // ni is the index of n within x.c.
- // d is the number of digits of n.
- // i is the index of rd within n including leading zeros.
- // j is the actual index of rd within n (if < 0, rd is a leading zero).
- out: {
-
- // Get the number of digits of the first element of xc.
- for ( d = 1, k = xc[0]; k >= 10; k /= 10, d++ );
- i = sd - d;
-
- // If the rounding digit is in the first element of xc...
- if ( i < 0 ) {
- i += LOG_BASE;
- j = sd;
- n = xc[ ni = 0 ];
-
- // Get the rounding digit at index j of n.
- rd = n / pows10[ d - j - 1 ] % 10 | 0;
- } else {
- ni = mathceil( ( i + 1 ) / LOG_BASE );
-
- if ( ni >= xc.length ) {
-
- if (r) {
-
- // Needed by sqrt.
- for ( ; xc.length <= ni; xc.push(0) );
- n = rd = 0;
- d = 1;
- i %= LOG_BASE;
- j = i - LOG_BASE + 1;
- } else {
- break out;
- }
- } else {
- n = k = xc[ni];
-
- // Get the number of digits of n.
- for ( d = 1; k >= 10; k /= 10, d++ );
-
- // Get the index of rd within n.
- i %= LOG_BASE;
-
- // Get the index of rd within n, adjusted for leading zeros.
- // The number of leading zeros of n is given by LOG_BASE - d.
- j = i - LOG_BASE + d;
-
- // Get the rounding digit at index j of n.
- rd = j < 0 ? 0 : n / pows10[ d - j - 1 ] % 10 | 0;
- }
- }
-
- r = r || sd < 0 ||
-
- // Are there any non-zero digits after the rounding digit?
- // The expression n % pows10[ d - j - 1 ] returns all digits of n to the right
- // of the digit at j, e.g. if n is 908714 and j is 2, the expression gives 714.
- xc[ni + 1] != null || ( j < 0 ? n : n % pows10[ d - j - 1 ] );
-
- r = rm < 4
- ? ( rd || r ) && ( rm == 0 || rm == ( x.s < 0 ? 3 : 2 ) )
- : rd > 5 || rd == 5 && ( rm == 4 || r || rm == 6 &&
-
- // Check whether the digit to the left of the rounding digit is odd.
- ( ( i > 0 ? j > 0 ? n / pows10[ d - j ] : 0 : xc[ni - 1] ) % 10 ) & 1 ||
- rm == ( x.s < 0 ? 8 : 7 ) );
-
- if ( sd < 1 || !xc[0] ) {
- xc.length = 0;
-
- if (r) {
-
- // Convert sd to decimal places.
- sd -= x.e + 1;
-
- // 1, 0.1, 0.01, 0.001, 0.0001 etc.
- xc[0] = pows10[ sd % LOG_BASE ];
- x.e = -sd || 0;
- } else {
-
- // Zero.
- xc[0] = x.e = 0;
- }
-
- return x;
- }
-
- // Remove excess digits.
- if ( i == 0 ) {
- xc.length = ni;
- k = 1;
- ni--;
- } else {
- xc.length = ni + 1;
- k = pows10[ LOG_BASE - i ];
-
- // E.g. 56700 becomes 56000 if 7 is the rounding digit.
- // j > 0 means i > number of leading zeros of n.
- xc[ni] = j > 0 ? mathfloor( n / pows10[ d - j ] % pows10[j] ) * k : 0;
- }
-
- // Round up?
- if (r) {
-
- for ( ; ; ) {
-
- // If the digit to be rounded up is in the first element of xc...
- if ( ni == 0 ) {
-
- // i will be the length of xc[0] before k is added.
- for ( i = 1, j = xc[0]; j >= 10; j /= 10, i++ );
- j = xc[0] += k;
- for ( k = 1; j >= 10; j /= 10, k++ );
-
- // if i != k the length has increased.
- if ( i != k ) {
- x.e++;
- if ( xc[0] == BASE ) xc[0] = 1;
- }
-
- break;
- } else {
- xc[ni] += k;
- if ( xc[ni] != BASE ) break;
- xc[ni--] = 0;
- k = 1;
- }
- }
- }
-
- // Remove trailing zeros.
- for ( i = xc.length; xc[--i] === 0; xc.pop() );
- }
-
- // Overflow? Infinity.
- if ( x.e > MAX_EXP ) {
- x.c = x.e = null;
-
- // Underflow? Zero.
- } else if ( x.e < MIN_EXP ) {
- x.c = [ x.e = 0 ];
- }
- }
-
- return x;
- }
-
-
- // PROTOTYPE/INSTANCE METHODS
-
-
- /*
- * Return a new BigNumber whose value is the absolute value of this BigNumber.
- */
- P.absoluteValue = P.abs = function () {
- var x = new BigNumber(this);
- if ( x.s < 0 ) x.s = 1;
- return x;
- };
-
-
- /*
- * Return a new BigNumber whose value is the value of this BigNumber rounded to a whole
- * number in the direction of Infinity.
- */
- P.ceil = function () {
- return round( new BigNumber(this), this.e + 1, 2 );
- };
-
-
- /*
- * Return
- * 1 if the value of this BigNumber is greater than the value of BigNumber(y, b),
- * -1 if the value of this BigNumber is less than the value of BigNumber(y, b),
- * 0 if they have the same value,
- * or null if the value of either is NaN.
- */
- P.comparedTo = P.cmp = function ( y, b ) {
- id = 1;
- return compare( this, new BigNumber( y, b ) );
- };
-
-
- /*
- * Return the number of decimal places of the value of this BigNumber, or null if the value
- * of this BigNumber is ±Infinity or NaN.
- */
- P.decimalPlaces = P.dp = function () {
- var n, v,
- c = this.c;
-
- if ( !c ) return null;
- n = ( ( v = c.length - 1 ) - bitFloor( this.e / LOG_BASE ) ) * LOG_BASE;
-
- // Subtract the number of trailing zeros of the last number.
- if ( v = c[v] ) for ( ; v % 10 == 0; v /= 10, n-- );
- if ( n < 0 ) n = 0;
-
- return n;
- };
-
-
- /*
- * n / 0 = I
- * n / N = N
- * n / I = 0
- * 0 / n = 0
- * 0 / 0 = N
- * 0 / N = N
- * 0 / I = 0
- * N / n = N
- * N / 0 = N
- * N / N = N
- * N / I = N
- * I / n = I
- * I / 0 = I
- * I / N = N
- * I / I = N
- *
- * Return a new BigNumber whose value is the value of this BigNumber divided by the value of
- * BigNumber(y, b), rounded according to DECIMAL_PLACES and ROUNDING_MODE.
- */
- P.dividedBy = P.div = function ( y, b ) {
- id = 3;
- return div( this, new BigNumber( y, b ), DECIMAL_PLACES, ROUNDING_MODE );
- };
-
-
- /*
- * Return a new BigNumber whose value is the integer part of dividing the value of this
- * BigNumber by the value of BigNumber(y, b).
- */
- P.dividedToIntegerBy = P.divToInt = function ( y, b ) {
- id = 4;
- return div( this, new BigNumber( y, b ), 0, 1 );
- };
-
-
- /*
- * Return true if the value of this BigNumber is equal to the value of BigNumber(y, b),
- * otherwise returns false.
- */
- P.equals = P.eq = function ( y, b ) {
- id = 5;
- return compare( this, new BigNumber( y, b ) ) === 0;
- };
-
-
- /*
- * Return a new BigNumber whose value is the value of this BigNumber rounded to a whole
- * number in the direction of -Infinity.
- */
- P.floor = function () {
- return round( new BigNumber(this), this.e + 1, 3 );
- };
-
-
- /*
- * Return true if the value of this BigNumber is greater than the value of BigNumber(y, b),
- * otherwise returns false.
- */
- P.greaterThan = P.gt = function ( y, b ) {
- id = 6;
- return compare( this, new BigNumber( y, b ) ) > 0;
- };
-
-
- /*
- * Return true if the value of this BigNumber is greater than or equal to the value of
- * BigNumber(y, b), otherwise returns false.
- */
- P.greaterThanOrEqualTo = P.gte = function ( y, b ) {
- id = 7;
- return ( b = compare( this, new BigNumber( y, b ) ) ) === 1 || b === 0;
-
- };
-
-
- /*
- * Return true if the value of this BigNumber is a finite number, otherwise returns false.
- */
- P.isFinite = function () {
- return !!this.c;
- };
-
-
- /*
- * Return true if the value of this BigNumber is an integer, otherwise return false.
- */
- P.isInteger = P.isInt = function () {
- return !!this.c && bitFloor( this.e / LOG_BASE ) > this.c.length - 2;
- };
-
-
- /*
- * Return true if the value of this BigNumber is NaN, otherwise returns false.
- */
- P.isNaN = function () {
- return !this.s;
- };
-
-
- /*
- * Return true if the value of this BigNumber is negative, otherwise returns false.
- */
- P.isNegative = P.isNeg = function () {
- return this.s < 0;
- };
-
-
- /*
- * Return true if the value of this BigNumber is 0 or -0, otherwise returns false.
- */
- P.isZero = function () {
- return !!this.c && this.c[0] == 0;
- };
-
-
- /*
- * Return true if the value of this BigNumber is less than the value of BigNumber(y, b),
- * otherwise returns false.
- */
- P.lessThan = P.lt = function ( y, b ) {
- id = 8;
- return compare( this, new BigNumber( y, b ) ) < 0;
- };
-
-
- /*
- * Return true if the value of this BigNumber is less than or equal to the value of
- * BigNumber(y, b), otherwise returns false.
- */
- P.lessThanOrEqualTo = P.lte = function ( y, b ) {
- id = 9;
- return ( b = compare( this, new BigNumber( y, b ) ) ) === -1 || b === 0;
- };
-
-
- /*
- * n - 0 = n
- * n - N = N
- * n - I = -I
- * 0 - n = -n
- * 0 - 0 = 0
- * 0 - N = N
- * 0 - I = -I
- * N - n = N
- * N - 0 = N
- * N - N = N
- * N - I = N
- * I - n = I
- * I - 0 = I
- * I - N = N
- * I - I = N
- *
- * Return a new BigNumber whose value is the value of this BigNumber minus the value of
- * BigNumber(y, b).
- */
- P.minus = P.sub = function ( y, b ) {
- var i, j, t, xLTy,
- x = this,
- a = x.s;
-
- id = 10;
- y = new BigNumber( y, b );
- b = y.s;
-
- // Either NaN?
- if ( !a || !b ) return new BigNumber(NaN);
-
- // Signs differ?
- if ( a != b ) {
- y.s = -b;
- return x.plus(y);
- }
-
- var xe = x.e / LOG_BASE,
- ye = y.e / LOG_BASE,
- xc = x.c,
- yc = y.c;
-
- if ( !xe || !ye ) {
-
- // Either Infinity?
- if ( !xc || !yc ) return xc ? ( y.s = -b, y ) : new BigNumber( yc ? x : NaN );
-
- // Either zero?
- if ( !xc[0] || !yc[0] ) {
-
- // Return y if y is non-zero, x if x is non-zero, or zero if both are zero.
- return yc[0] ? ( y.s = -b, y ) : new BigNumber( xc[0] ? x :
-
- // IEEE 754 (2008) 6.3: n - n = -0 when rounding to -Infinity
- ROUNDING_MODE == 3 ? -0 : 0 );
- }
- }
-
- xe = bitFloor(xe);
- ye = bitFloor(ye);
- xc = xc.slice();
-
- // Determine which is the bigger number.
- if ( a = xe - ye ) {
-
- if ( xLTy = a < 0 ) {
- a = -a;
- t = xc;
- } else {
- ye = xe;
- t = yc;
- }
-
- t.reverse();
-
- // Prepend zeros to equalise exponents.
- for ( b = a; b--; t.push(0) );
- t.reverse();
- } else {
-
- // Exponents equal. Check digit by digit.
- j = ( xLTy = ( a = xc.length ) < ( b = yc.length ) ) ? a : b;
-
- for ( a = b = 0; b < j; b++ ) {
-
- if ( xc[b] != yc[b] ) {
- xLTy = xc[b] < yc[b];
- break;
- }
- }
- }
-
- // x < y? Point xc to the array of the bigger number.
- if (xLTy) t = xc, xc = yc, yc = t, y.s = -y.s;
-
- b = ( j = yc.length ) - ( i = xc.length );
-
- // Append zeros to xc if shorter.
- // No need to add zeros to yc if shorter as subtract only needs to start at yc.length.
- if ( b > 0 ) for ( ; b--; xc[i++] = 0 );
- b = BASE - 1;
-
- // Subtract yc from xc.
- for ( ; j > a; ) {
-
- if ( xc[--j] < yc[j] ) {
- for ( i = j; i && !xc[--i]; xc[i] = b );
- --xc[i];
- xc[j] += BASE;
- }
-
- xc[j] -= yc[j];
- }
-
- // Remove leading zeros and adjust exponent accordingly.
- for ( ; xc[0] == 0; xc.shift(), --ye );
-
- // Zero?
- if ( !xc[0] ) {
-
- // Following IEEE 754 (2008) 6.3,
- // n - n = +0 but n - n = -0 when rounding towards -Infinity.
- y.s = ROUNDING_MODE == 3 ? -1 : 1;
- y.c = [ y.e = 0 ];
- return y;
- }
-
- // No need to check for Infinity as +x - +y != Infinity && -x - -y != Infinity
- // for finite x and y.
- return normalise( y, xc, ye );
- };
-
-
- /*
- * n % 0 = N
- * n % N = N
- * n % I = n
- * 0 % n = 0
- * -0 % n = -0
- * 0 % 0 = N
- * 0 % N = N
- * 0 % I = 0
- * N % n = N
- * N % 0 = N
- * N % N = N
- * N % I = N
- * I % n = N
- * I % 0 = N
- * I % N = N
- * I % I = N
- *
- * Return a new BigNumber whose value is the value of this BigNumber modulo the value of
- * BigNumber(y, b). The result depends on the value of MODULO_MODE.
- */
- P.modulo = P.mod = function ( y, b ) {
- var q, s,
- x = this;
-
- id = 11;
- y = new BigNumber( y, b );
-
- // Return NaN if x is Infinity or NaN, or y is NaN or zero.
- if ( !x.c || !y.s || y.c && !y.c[0] ) {
- return new BigNumber(NaN);
-
- // Return x if y is Infinity or x is zero.
- } else if ( !y.c || x.c && !x.c[0] ) {
- return new BigNumber(x);
- }
-
- if ( MODULO_MODE == 9 ) {
-
- // Euclidian division: q = sign(y) * floor(x / abs(y))
- // r = x - qy where 0 <= r < abs(y)
- s = y.s;
- y.s = 1;
- q = div( x, y, 0, 3 );
- y.s = s;
- q.s *= s;
- } else {
- q = div( x, y, 0, MODULO_MODE );
- }
-
- return x.minus( q.times(y) );
- };
-
-
- /*
- * Return a new BigNumber whose value is the value of this BigNumber negated,
- * i.e. multiplied by -1.
- */
- P.negated = P.neg = function () {
- var x = new BigNumber(this);
- x.s = -x.s || null;
- return x;
- };
-
-
- /*
- * n + 0 = n
- * n + N = N
- * n + I = I
- * 0 + n = n
- * 0 + 0 = 0
- * 0 + N = N
- * 0 + I = I
- * N + n = N
- * N + 0 = N
- * N + N = N
- * N + I = N
- * I + n = I
- * I + 0 = I
- * I + N = N
- * I + I = I
- *
- * Return a new BigNumber whose value is the value of this BigNumber plus the value of
- * BigNumber(y, b).
- */
- P.plus = P.add = function ( y, b ) {
- var t,
- x = this,
- a = x.s;
-
- id = 12;
- y = new BigNumber( y, b );
- b = y.s;
-
- // Either NaN?
- if ( !a || !b ) return new BigNumber(NaN);
-
- // Signs differ?
- if ( a != b ) {
- y.s = -b;
- return x.minus(y);
- }
-
- var xe = x.e / LOG_BASE,
- ye = y.e / LOG_BASE,
- xc = x.c,
- yc = y.c;
-
- if ( !xe || !ye ) {
-
- // Return ±Infinity if either ±Infinity.
- if ( !xc || !yc ) return new BigNumber( a / 0 );
-
- // Either zero?
- // Return y if y is non-zero, x if x is non-zero, or zero if both are zero.
- if ( !xc[0] || !yc[0] ) return yc[0] ? y : new BigNumber( xc[0] ? x : a * 0 );
- }
-
- xe = bitFloor(xe);
- ye = bitFloor(ye);
- xc = xc.slice();
-
- // Prepend zeros to equalise exponents. Faster to use reverse then do unshifts.
- if ( a = xe - ye ) {
- if ( a > 0 ) {
- ye = xe;
- t = yc;
- } else {
- a = -a;
- t = xc;
- }
-
- t.reverse();
- for ( ; a--; t.push(0) );
- t.reverse();
- }
-
- a = xc.length;
- b = yc.length;
-
- // Point xc to the longer array, and b to the shorter length.
- if ( a - b < 0 ) t = yc, yc = xc, xc = t, b = a;
-
- // Only start adding at yc.length - 1 as the further digits of xc can be ignored.
- for ( a = 0; b; ) {
- a = ( xc[--b] = xc[b] + yc[b] + a ) / BASE | 0;
- xc[b] %= BASE;
- }
-
- if (a) {
- xc.unshift(a);
- ++ye;
- }
-
- // No need to check for zero, as +x + +y != 0 && -x + -y != 0
- // ye = MAX_EXP + 1 possible
- return normalise( y, xc, ye );
- };
-
-
- /*
- * Return the number of significant digits of the value of this BigNumber.
- *
- * [z] {boolean|number} Whether to count integer-part trailing zeros: true, false, 1 or 0.
- */
- P.precision = P.sd = function (z) {
- var n, v,
- x = this,
- c = x.c;
-
- // 'precision() argument not a boolean or binary digit: {z}'
- if ( z != null && z !== !!z && z !== 1 && z !== 0 ) {
- if (ERRORS) raise( 13, 'argument' + notBool, z );
- if ( z != !!z ) z = null;
- }
-
- if ( !c ) return null;
- v = c.length - 1;
- n = v * LOG_BASE + 1;
-
- if ( v = c[v] ) {
-
- // Subtract the number of trailing zeros of the last element.
- for ( ; v % 10 == 0; v /= 10, n-- );
-
- // Add the number of digits of the first element.
- for ( v = c[0]; v >= 10; v /= 10, n++ );
- }
-
- if ( z && x.e + 1 > n ) n = x.e + 1;
-
- return n;
- };
-
-
- /*
- * Return a new BigNumber whose value is the value of this BigNumber rounded to a maximum of
- * dp decimal places using rounding mode rm, or to 0 and ROUNDING_MODE respectively if
- * omitted.
- *
- * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
- * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
- *
- * 'round() decimal places out of range: {dp}'
- * 'round() decimal places not an integer: {dp}'
- * 'round() rounding mode not an integer: {rm}'
- * 'round() rounding mode out of range: {rm}'
- */
- P.round = function ( dp, rm ) {
- var n = new BigNumber(this);
-
- if ( dp == null || isValidInt( dp, 0, MAX, 15 ) ) {
- round( n, ~~dp + this.e + 1, rm == null ||
- !isValidInt( rm, 0, 8, 15, roundingMode ) ? ROUNDING_MODE : rm | 0 );
- }
-
- return n;
- };
-
-
- /*
- * Return a new BigNumber whose value is the value of this BigNumber shifted by k places
- * (powers of 10). Shift to the right if n > 0, and to the left if n < 0.
- *
- * k {number} Integer, -MAX_SAFE_INTEGER to MAX_SAFE_INTEGER inclusive.
- *
- * If k is out of range and ERRORS is false, the result will be ±0 if k < 0, or ±Infinity
- * otherwise.
- *
- * 'shift() argument not an integer: {k}'
- * 'shift() argument out of range: {k}'
- */
- P.shift = function (k) {
- var n = this;
- return isValidInt( k, -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER, 16, 'argument' )
-
- // k < 1e+21, or truncate(k) will produce exponential notation.
- ? n.times( '1e' + truncate(k) )
- : new BigNumber( n.c && n.c[0] && ( k < -MAX_SAFE_INTEGER || k > MAX_SAFE_INTEGER )
- ? n.s * ( k < 0 ? 0 : 1 / 0 )
- : n );
- };
-
-
- /*
- * sqrt(-n) = N
- * sqrt( N) = N
- * sqrt(-I) = N
- * sqrt( I) = I
- * sqrt( 0) = 0
- * sqrt(-0) = -0
- *
- * Return a new BigNumber whose value is the square root of the value of this BigNumber,
- * rounded according to DECIMAL_PLACES and ROUNDING_MODE.
- */
- P.squareRoot = P.sqrt = function () {
- var m, n, r, rep, t,
- x = this,
- c = x.c,
- s = x.s,
- e = x.e,
- dp = DECIMAL_PLACES + 4,
- half = new BigNumber('0.5');
-
- // Negative/NaN/Infinity/zero?
- if ( s !== 1 || !c || !c[0] ) {
- return new BigNumber( !s || s < 0 && ( !c || c[0] ) ? NaN : c ? x : 1 / 0 );
- }
-
- // Initial estimate.
- s = Math.sqrt( +x );
-
- // Math.sqrt underflow/overflow?
- // Pass x to Math.sqrt as integer, then adjust the exponent of the result.
- if ( s == 0 || s == 1 / 0 ) {
- n = coeffToString(c);
- if ( ( n.length + e ) % 2 == 0 ) n += '0';
- s = Math.sqrt(n);
- e = bitFloor( ( e + 1 ) / 2 ) - ( e < 0 || e % 2 );
-
- if ( s == 1 / 0 ) {
- n = '1e' + e;
- } else {
- n = s.toExponential();
- n = n.slice( 0, n.indexOf('e') + 1 ) + e;
- }
-
- r = new BigNumber(n);
- } else {
- r = new BigNumber( s + '' );
- }
-
- // Check for zero.
- // r could be zero if MIN_EXP is changed after the this value was created.
- // This would cause a division by zero (x/t) and hence Infinity below, which would cause
- // coeffToString to throw.
- if ( r.c[0] ) {
- e = r.e;
- s = e + dp;
- if ( s < 3 ) s = 0;
-
- // Newton-Raphson iteration.
- for ( ; ; ) {
- t = r;
- r = half.times( t.plus( div( x, t, dp, 1 ) ) );
-
- if ( coeffToString( t.c ).slice( 0, s ) === ( n =
- coeffToString( r.c ) ).slice( 0, s ) ) {
-
- // The exponent of r may here be one less than the final result exponent,
- // e.g 0.0009999 (e-4) --> 0.001 (e-3), so adjust s so the rounding digits
- // are indexed correctly.
- if ( r.e < e ) --s;
- n = n.slice( s - 3, s + 1 );
-
- // The 4th rounding digit may be in error by -1 so if the 4 rounding digits
- // are 9999 or 4999 (i.e. approaching a rounding boundary) continue the
- // iteration.
- if ( n == '9999' || !rep && n == '4999' ) {
-
- // On the first iteration only, check to see if rounding up gives the
- // exact result as the nines may infinitely repeat.
- if ( !rep ) {
- round( t, t.e + DECIMAL_PLACES + 2, 0 );
-
- if ( t.times(t).eq(x) ) {
- r = t;
- break;
- }
- }
-
- dp += 4;
- s += 4;
- rep = 1;
- } else {
-
- // If rounding digits are null, 0{0,4} or 50{0,3}, check for exact
- // result. If not, then there are further digits and m will be truthy.
- if ( !+n || !+n.slice(1) && n.charAt(0) == '5' ) {
-
- // Truncate to the first rounding digit.
- round( r, r.e + DECIMAL_PLACES + 2, 1 );
- m = !r.times(r).eq(x);
- }
-
- break;
- }
- }
- }
- }
-
- return round( r, r.e + DECIMAL_PLACES + 1, ROUNDING_MODE, m );
- };
-
-
- /*
- * n * 0 = 0
- * n * N = N
- * n * I = I
- * 0 * n = 0
- * 0 * 0 = 0
- * 0 * N = N
- * 0 * I = N
- * N * n = N
- * N * 0 = N
- * N * N = N
- * N * I = N
- * I * n = I
- * I * 0 = N
- * I * N = N
- * I * I = I
- *
- * Return a new BigNumber whose value is the value of this BigNumber times the value of
- * BigNumber(y, b).
- */
- P.times = P.mul = function ( y, b ) {
- var c, e, i, j, k, m, xcL, xlo, xhi, ycL, ylo, yhi, zc,
- base, sqrtBase,
- x = this,
- xc = x.c,
- yc = ( id = 17, y = new BigNumber( y, b ) ).c;
-
- // Either NaN, ±Infinity or ±0?
- if ( !xc || !yc || !xc[0] || !yc[0] ) {
-
- // Return NaN if either is NaN, or one is 0 and the other is Infinity.
- if ( !x.s || !y.s || xc && !xc[0] && !yc || yc && !yc[0] && !xc ) {
- y.c = y.e = y.s = null;
- } else {
- y.s *= x.s;
-
- // Return ±Infinity if either is ±Infinity.
- if ( !xc || !yc ) {
- y.c = y.e = null;
-
- // Return ±0 if either is ±0.
- } else {
- y.c = [0];
- y.e = 0;
- }
- }
-
- return y;
- }
-
- e = bitFloor( x.e / LOG_BASE ) + bitFloor( y.e / LOG_BASE );
- y.s *= x.s;
- xcL = xc.length;
- ycL = yc.length;
-
- // Ensure xc points to longer array and xcL to its length.
- if ( xcL < ycL ) zc = xc, xc = yc, yc = zc, i = xcL, xcL = ycL, ycL = i;
-
- // Initialise the result array with zeros.
- for ( i = xcL + ycL, zc = []; i--; zc.push(0) );
-
- base = BASE;
- sqrtBase = SQRT_BASE;
-
- for ( i = ycL; --i >= 0; ) {
- c = 0;
- ylo = yc[i] % sqrtBase;
- yhi = yc[i] / sqrtBase | 0;
-
- for ( k = xcL, j = i + k; j > i; ) {
- xlo = xc[--k] % sqrtBase;
- xhi = xc[k] / sqrtBase | 0;
- m = yhi * xlo + xhi * ylo;
- xlo = ylo * xlo + ( ( m % sqrtBase ) * sqrtBase ) + zc[j] + c;
- c = ( xlo / base | 0 ) + ( m / sqrtBase | 0 ) + yhi * xhi;
- zc[j--] = xlo % base;
- }
-
- zc[j] = c;
- }
-
- if (c) {
- ++e;
- } else {
- zc.shift();
- }
-
- return normalise( y, zc, e );
- };
-
-
- /*
- * Return a new BigNumber whose value is the value of this BigNumber rounded to a maximum of
- * sd significant digits using rounding mode rm, or ROUNDING_MODE if rm is omitted.
- *
- * [sd] {number} Significant digits. Integer, 1 to MAX inclusive.
- * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
- *
- * 'toDigits() precision out of range: {sd}'
- * 'toDigits() precision not an integer: {sd}'
- * 'toDigits() rounding mode not an integer: {rm}'
- * 'toDigits() rounding mode out of range: {rm}'
- */
- P.toDigits = function ( sd, rm ) {
- var n = new BigNumber(this);
- sd = sd == null || !isValidInt( sd, 1, MAX, 18, 'precision' ) ? null : sd | 0;
- rm = rm == null || !isValidInt( rm, 0, 8, 18, roundingMode ) ? ROUNDING_MODE : rm | 0;
- return sd ? round( n, sd, rm ) : n;
- };
-
-
- /*
- * Return a string representing the value of this BigNumber in exponential notation and
- * rounded using ROUNDING_MODE to dp fixed decimal places.
- *
- * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
- * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
- *
- * 'toExponential() decimal places not an integer: {dp}'
- * 'toExponential() decimal places out of range: {dp}'
- * 'toExponential() rounding mode not an integer: {rm}'
- * 'toExponential() rounding mode out of range: {rm}'
- */
- P.toExponential = function ( dp, rm ) {
- return format( this,
- dp != null && isValidInt( dp, 0, MAX, 19 ) ? ~~dp + 1 : null, rm, 19 );
- };
-
-
- /*
- * Return a string representing the value of this BigNumber in fixed-point notation rounding
- * to dp fixed decimal places using rounding mode rm, or ROUNDING_MODE if rm is omitted.
- *
- * Note: as with JavaScript's number type, (-0).toFixed(0) is '0',
- * but e.g. (-0.00001).toFixed(0) is '-0'.
- *
- * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
- * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
- *
- * 'toFixed() decimal places not an integer: {dp}'
- * 'toFixed() decimal places out of range: {dp}'
- * 'toFixed() rounding mode not an integer: {rm}'
- * 'toFixed() rounding mode out of range: {rm}'
- */
- P.toFixed = function ( dp, rm ) {
- return format( this, dp != null && isValidInt( dp, 0, MAX, 20 )
- ? ~~dp + this.e + 1 : null, rm, 20 );
- };
-
-
- /*
- * Return a string representing the value of this BigNumber in fixed-point notation rounded
- * using rm or ROUNDING_MODE to dp decimal places, and formatted according to the properties
- * of the FORMAT object (see BigNumber.config).
- *
- * FORMAT = {
- * decimalSeparator : '.',
- * groupSeparator : ',',
- * groupSize : 3,
- * secondaryGroupSize : 0,
- * fractionGroupSeparator : '\xA0', // non-breaking space
- * fractionGroupSize : 0
- * };
- *
- * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
- * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
- *
- * 'toFormat() decimal places not an integer: {dp}'
- * 'toFormat() decimal places out of range: {dp}'
- * 'toFormat() rounding mode not an integer: {rm}'
- * 'toFormat() rounding mode out of range: {rm}'
- */
- P.toFormat = function ( dp, rm ) {
- var str = format( this, dp != null && isValidInt( dp, 0, MAX, 21 )
- ? ~~dp + this.e + 1 : null, rm, 21 );
-
- if ( this.c ) {
- var i,
- arr = str.split('.'),
- g1 = +FORMAT.groupSize,
- g2 = +FORMAT.secondaryGroupSize,
- groupSeparator = FORMAT.groupSeparator,
- intPart = arr[0],
- fractionPart = arr[1],
- isNeg = this.s < 0,
- intDigits = isNeg ? intPart.slice(1) : intPart,
- len = intDigits.length;
-
- if (g2) i = g1, g1 = g2, g2 = i, len -= i;
-
- if ( g1 > 0 && len > 0 ) {
- i = len % g1 || g1;
- intPart = intDigits.substr( 0, i );
-
- for ( ; i < len; i += g1 ) {
- intPart += groupSeparator + intDigits.substr( i, g1 );
- }
-
- if ( g2 > 0 ) intPart += groupSeparator + intDigits.slice(i);
- if (isNeg) intPart = '-' + intPart;
- }
-
- str = fractionPart
- ? intPart + FORMAT.decimalSeparator + ( ( g2 = +FORMAT.fractionGroupSize )
- ? fractionPart.replace( new RegExp( '\\d{' + g2 + '}\\B', 'g' ),
- '$&' + FORMAT.fractionGroupSeparator )
- : fractionPart )
- : intPart;
- }
-
- return str;
- };
-
-
- /*
- * Return a string array representing the value of this BigNumber as a simple fraction with
- * an integer numerator and an integer denominator. The denominator will be a positive
- * non-zero value less than or equal to the specified maximum denominator. If a maximum
- * denominator is not specified, the denominator will be the lowest value necessary to
- * represent the number exactly.
- *
- * [md] {number|string|BigNumber} Integer >= 1 and < Infinity. The maximum denominator.
- *
- * 'toFraction() max denominator not an integer: {md}'
- * 'toFraction() max denominator out of range: {md}'
- */
- P.toFraction = function (md) {
- var arr, d0, d2, e, exp, n, n0, q, s,
- k = ERRORS,
- x = this,
- xc = x.c,
- d = new BigNumber(ONE),
- n1 = d0 = new BigNumber(ONE),
- d1 = n0 = new BigNumber(ONE);
-
- if ( md != null ) {
- ERRORS = false;
- n = new BigNumber(md);
- ERRORS = k;
-
- if ( !( k = n.isInt() ) || n.lt(ONE) ) {
-
- if (ERRORS) {
- raise( 22,
- 'max denominator ' + ( k ? 'out of range' : 'not an integer' ), md );
- }
-
- // ERRORS is false:
- // If md is a finite non-integer >= 1, round it to an integer and use it.
- md = !k && n.c && round( n, n.e + 1, 1 ).gte(ONE) ? n : null;
- }
- }
-
- if ( !xc ) return x.toString();
- s = coeffToString(xc);
-
- // Determine initial denominator.
- // d is a power of 10 and the minimum max denominator that specifies the value exactly.
- e = d.e = s.length - x.e - 1;
- d.c[0] = POWS_TEN[ ( exp = e % LOG_BASE ) < 0 ? LOG_BASE + exp : exp ];
- md = !md || n.cmp(d) > 0 ? ( e > 0 ? d : n1 ) : n;
-
- exp = MAX_EXP;
- MAX_EXP = 1 / 0;
- n = new BigNumber(s);
-
- // n0 = d1 = 0
- n0.c[0] = 0;
-
- for ( ; ; ) {
- q = div( n, d, 0, 1 );
- d2 = d0.plus( q.times(d1) );
- if ( d2.cmp(md) == 1 ) break;
- d0 = d1;
- d1 = d2;
- n1 = n0.plus( q.times( d2 = n1 ) );
- n0 = d2;
- d = n.minus( q.times( d2 = d ) );
- n = d2;
- }
-
- d2 = div( md.minus(d0), d1, 0, 1 );
- n0 = n0.plus( d2.times(n1) );
- d0 = d0.plus( d2.times(d1) );
- n0.s = n1.s = x.s;
- e *= 2;
-
- // Determine which fraction is closer to x, n0/d0 or n1/d1
- arr = div( n1, d1, e, ROUNDING_MODE ).minus(x).abs().cmp(
- div( n0, d0, e, ROUNDING_MODE ).minus(x).abs() ) < 1
- ? [ n1.toString(), d1.toString() ]
- : [ n0.toString(), d0.toString() ];
-
- MAX_EXP = exp;
- return arr;
- };
-
-
- /*
- * Return the value of this BigNumber converted to a number primitive.
- */
- P.toNumber = function () {
- var x = this;
-
- // Ensure zero has correct sign.
- return +x || ( x.s ? x.s * 0 : NaN );
- };
-
-
- /*
- * Return a BigNumber whose value is the value of this BigNumber raised to the power n.
- * If n is negative round according to DECIMAL_PLACES and ROUNDING_MODE.
- * If POW_PRECISION is not 0, round to POW_PRECISION using ROUNDING_MODE.
- *
- * n {number} Integer, -9007199254740992 to 9007199254740992 inclusive.
- * (Performs 54 loop iterations for n of 9007199254740992.)
- *
- * 'pow() exponent not an integer: {n}'
- * 'pow() exponent out of range: {n}'
- */
- P.toPower = P.pow = function (n) {
- var k, y,
- i = mathfloor( n < 0 ? -n : +n ),
- x = this;
-
- // Pass ±Infinity to Math.pow if exponent is out of range.
- if ( !isValidInt( n, -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER, 23, 'exponent' ) &&
- ( !isFinite(n) || i > MAX_SAFE_INTEGER && ( n /= 0 ) ||
- parseFloat(n) != n && !( n = NaN ) ) ) {
- return new BigNumber( Math.pow( +x, n ) );
- }
-
- // Truncating each coefficient array to a length of k after each multiplication equates
- // to truncating significant digits to POW_PRECISION + [28, 41], i.e. there will be a
- // minimum of 28 guard digits retained. (Using + 1.5 would give [9, 21] guard digits.)
- k = POW_PRECISION ? mathceil( POW_PRECISION / LOG_BASE + 2 ) : 0;
- y = new BigNumber(ONE);
-
- for ( ; ; ) {
-
- if ( i % 2 ) {
- y = y.times(x);
- if ( !y.c ) break;
- if ( k && y.c.length > k ) y.c.length = k;
- }
-
- i = mathfloor( i / 2 );
- if ( !i ) break;
-
- x = x.times(x);
- if ( k && x.c && x.c.length > k ) x.c.length = k;
- }
-
- if ( n < 0 ) y = ONE.div(y);
- return k ? round( y, POW_PRECISION, ROUNDING_MODE ) : y;
- };
-
-
- /*
- * Return a string representing the value of this BigNumber rounded to sd significant digits
- * using rounding mode rm or ROUNDING_MODE. If sd is less than the number of digits
- * necessary to represent the integer part of the value in fixed-point notation, then use
- * exponential notation.
- *
- * [sd] {number} Significant digits. Integer, 1 to MAX inclusive.
- * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
- *
- * 'toPrecision() precision not an integer: {sd}'
- * 'toPrecision() precision out of range: {sd}'
- * 'toPrecision() rounding mode not an integer: {rm}'
- * 'toPrecision() rounding mode out of range: {rm}'
- */
- P.toPrecision = function ( sd, rm ) {
- return format( this, sd != null && isValidInt( sd, 1, MAX, 24, 'precision' )
- ? sd | 0 : null, rm, 24 );
- };
-
-
- /*
- * Return a string representing the value of this BigNumber in base b, or base 10 if b is
- * omitted. If a base is specified, including base 10, round according to DECIMAL_PLACES and
- * ROUNDING_MODE. If a base is not specified, and this BigNumber has a positive exponent
- * that is equal to or greater than TO_EXP_POS, or a negative exponent equal to or less than
- * TO_EXP_NEG, return exponential notation.
- *
- * [b] {number} Integer, 2 to 64 inclusive.
- *
- * 'toString() base not an integer: {b}'
- * 'toString() base out of range: {b}'
- */
- P.toString = function (b) {
- var str,
- n = this,
- s = n.s,
- e = n.e;
-
- // Infinity or NaN?
- if ( e === null ) {
-
- if (s) {
- str = 'Infinity';
- if ( s < 0 ) str = '-' + str;
- } else {
- str = 'NaN';
- }
- } else {
- str = coeffToString( n.c );
-
- if ( b == null || !isValidInt( b, 2, 64, 25, 'base' ) ) {
- str = e <= TO_EXP_NEG || e >= TO_EXP_POS
- ? toExponential( str, e )
- : toFixedPoint( str, e );
- } else {
- str = convertBase( toFixedPoint( str, e ), b | 0, 10, s );
- }
-
- if ( s < 0 && n.c[0] ) str = '-' + str;
- }
-
- return str;
- };
-
-
- /*
- * Return a new BigNumber whose value is the value of this BigNumber truncated to a whole
- * number.
- */
- P.truncated = P.trunc = function () {
- return round( new BigNumber(this), this.e + 1, 1 );
- };
-
-
-
- /*
- * Return as toString, but do not accept a base argument.
- */
- P.valueOf = P.toJSON = function () {
- return this.toString();
- };
-
-
- // Aliases for BigDecimal methods.
- //P.add = P.plus; // P.add included above
- //P.subtract = P.minus; // P.sub included above
- //P.multiply = P.times; // P.mul included above
- //P.divide = P.div;
- //P.remainder = P.mod;
- //P.compareTo = P.cmp;
- //P.negate = P.neg;
-
-
- if ( configObj != null ) BigNumber.config(configObj);
-
- return BigNumber;
- }
-
-
- // PRIVATE HELPER FUNCTIONS
-
-
- function bitFloor(n) {
- var i = n | 0;
- return n > 0 || n === i ? i : i - 1;
- }
-
-
- // Return a coefficient array as a string of base 10 digits.
- function coeffToString(a) {
- var s, z,
- i = 1,
- j = a.length,
- r = a[0] + '';
-
- for ( ; i < j; ) {
- s = a[i++] + '';
- z = LOG_BASE - s.length;
- for ( ; z--; s = '0' + s );
- r += s;
- }
-
- // Determine trailing zeros.
- for ( j = r.length; r.charCodeAt(--j) === 48; );
- return r.slice( 0, j + 1 || 1 );
- }
-
-
- // Compare the value of BigNumbers x and y.
- function compare( x, y ) {
- var a, b,
- xc = x.c,
- yc = y.c,
- i = x.s,
- j = y.s,
- k = x.e,
- l = y.e;
-
- // Either NaN?
- if ( !i || !j ) return null;
-
- a = xc && !xc[0];
- b = yc && !yc[0];
-
- // Either zero?
- if ( a || b ) return a ? b ? 0 : -j : i;
-
- // Signs differ?
- if ( i != j ) return i;
-
- a = i < 0;
- b = k == l;
-
- // Either Infinity?
- if ( !xc || !yc ) return b ? 0 : !xc ^ a ? 1 : -1;
-
- // Compare exponents.
- if ( !b ) return k > l ^ a ? 1 : -1;
-
- j = ( k = xc.length ) < ( l = yc.length ) ? k : l;
-
- // Compare digit by digit.
- for ( i = 0; i < j; i++ ) if ( xc[i] != yc[i] ) return xc[i] > yc[i] ^ a ? 1 : -1;
-
- // Compare lengths.
- return k == l ? 0 : k > l ^ a ? 1 : -1;
- }
-
-
- /*
- * Return true if n is a valid number in range, otherwise false.
- * Use for argument validation when ERRORS is false.
- * Note: parseInt('1e+1') == 1 but parseFloat('1e+1') == 10.
- */
- function intValidatorNoErrors( n, min, max ) {
- return ( n = truncate(n) ) >= min && n <= max;
- }
-
-
- function isArray(obj) {
- return Object.prototype.toString.call(obj) == '[object Array]';
- }
-
-
- /*
- * Convert string of baseIn to an array of numbers of baseOut.
- * Eg. convertBase('255', 10, 16) returns [15, 15].
- * Eg. convertBase('ff', 16, 10) returns [2, 5, 5].
- */
- function toBaseOut( str, baseIn, baseOut ) {
- var j,
- arr = [0],
- arrL,
- i = 0,
- len = str.length;
-
- for ( ; i < len; ) {
- for ( arrL = arr.length; arrL--; arr[arrL] *= baseIn );
- arr[ j = 0 ] += ALPHABET.indexOf( str.charAt( i++ ) );
-
- for ( ; j < arr.length; j++ ) {
-
- if ( arr[j] > baseOut - 1 ) {
- if ( arr[j + 1] == null ) arr[j + 1] = 0;
- arr[j + 1] += arr[j] / baseOut | 0;
- arr[j] %= baseOut;
- }
- }
- }
-
- return arr.reverse();
- }
-
-
- function toExponential( str, e ) {
- return ( str.length > 1 ? str.charAt(0) + '.' + str.slice(1) : str ) +
- ( e < 0 ? 'e' : 'e+' ) + e;
- }
-
-
- function toFixedPoint( str, e ) {
- var len, z;
-
- // Negative exponent?
- if ( e < 0 ) {
-
- // Prepend zeros.
- for ( z = '0.'; ++e; z += '0' );
- str = z + str;
-
- // Positive exponent
- } else {
- len = str.length;
-
- // Append zeros.
- if ( ++e > len ) {
- for ( z = '0', e -= len; --e; z += '0' );
- str += z;
- } else if ( e < len ) {
- str = str.slice( 0, e ) + '.' + str.slice(e);
- }
- }
-
- return str;
- }
-
-
- function truncate(n) {
- n = parseFloat(n);
- return n < 0 ? mathceil(n) : mathfloor(n);
- }
-
-
- // EXPORT
-
-
- BigNumber = another();
-
- // AMD.
- if ( typeof define == 'function' && define.amd ) {
- define( function () { return BigNumber; } );
-
- // Node and other environments that support module.exports.
- } else if ( typeof module != 'undefined' && module.exports ) {
- module.exports = BigNumber;
- if ( !crypto ) try { crypto = require('crypto'); } catch (e) {}
-
- // Browser.
- } else {
- global.BigNumber = BigNumber;
- }
-})(this);
-
-},{"crypto":1}],"natspec":[function(require,module,exports){
-/*
- This file is part of natspec.js.
-
- natspec.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.
-
- natspec.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 natspec.js. If not, see <http://www.gnu.org/licenses/>.
-*/
-/** @file natspec.js
- * @authors:
- * Marek Kotewicz <marek@ethdev.com>
- * @date 2015
- */
-
-var abi = require('./node_modules/web3/lib/solidity/abi.js');
-
-/**
- * This object should be used to evaluate natspec expression
- * It has one method evaluateExpression which shoul be used
- */
-var natspec = (function () {
- /**
- * Helper method
- * Should be called to copy values from object to global context
- *
- * @method copyToContext
- * @param {Object} object from which we want to copy properties
- * @param {Object} object to which we copy
- */
- var copyToContext = function (obj, context) {
- Object.keys(obj).forEach(function (key) {
- context[key] = obj[key];
- });
- }
-
- /**
- * Should be used to generate codes, which will be evaluated
- *
- * @method generateCode
- * @param {Object} object from which code will be generated
- * @return {String} javascript code which is used to initalized variables
- */
- var generateCode = function (obj) {
- return Object.keys(obj).reduce(function (acc, key) {
- return acc + "var " + key + " = context['" + key + "'];\n";
- }, "");
- };
-
- /**
- * Helper method
- * Should be called to get method with given name from the abi
- *
- * @method getMethodWithName
- * @param {Array} contract's abi
- * @param {String} name of the method that we are looking for
- * @return {Object} abi for method with name
- */
- var getMethodWithName = function(abi, name) {
- return abi.filter(function (method) {
- return method.name === name;
- })[0];
- };
-
- /**
- * Should be used to get all contract method input variables
- *
- * @method getMethodInputParams
- * @param {Object} abi for certain method
- * @param {Object} transaction object
- * @return {Object} object with all contract's method input variables
- */
- var getMethodInputParams = function (method, transaction) {
- // do it with output formatter (cause we have to decode)
- var params = abi.formatOutput(method.inputs, '0x' + transaction.params[0].data.slice(10));
-
- return method.inputs.reduce(function (acc, current, index) {
- acc[current.name] = params[index];
- return acc;
- }, {});
- };
-
- /**
- * Should be called when we want to evaluate natspec expression
- * Replaces all natspec 'subexpressions' with evaluated value
- *
- * @method mapExpressionToEvaluate
- * @param {String} expression to evaluate
- * @param {Function} callback which is called to evaluate te expression
- * @return {String} evaluated expression
- */
- var mapExpressionsToEvaluate = function (expression, cb) {
- var evaluatedExpression = "";
-
- // match everything in quotes
- var pattern = /\` + "`" + `(?:\\.|[^` + "`" + `\\])*\` + "`" + `/gim
- var match;
- var lastIndex = 0;
- try {
- while ((match = pattern.exec(expression)) !== null) {
- var startIndex = pattern.lastIndex - match[0].length;
- var toEval = match[0].slice(1, match[0].length - 1);
- evaluatedExpression += expression.slice(lastIndex, startIndex);
- var evaluatedPart = cb(toEval);
- evaluatedExpression += evaluatedPart;
- lastIndex = pattern.lastIndex;
- }
-
- evaluatedExpression += expression.slice(lastIndex);
- }
- catch (err) {
- throw new Error("Natspec evaluation failed, wrong input params");
- }
-
- return evaluatedExpression;
- };
-
- /**
- * Should be called to evaluate single expression
- * Is internally using javascript's 'eval' method
- *
- * @method evaluateExpression
- * @param {String} expression which should be evaluated
- * @param {Object} [call] object containing contract abi, transaction, called method
- * @return {String} evaluated expression
- * @throws exception if method is not found or we are trying to evaluate input params that does not exists
- */
-
- var utils = require('../utils/utils');
-
- var evaluateExpression = function (expression, call) {
- //var self = this;
- var context = {};
-
- if (!!call) {
- try {
- var method = getMethodWithName(call.abi, call.method);
- var params = getMethodInputParams(method, call.transaction);
- copyToContext(params, context);
- }
- catch (err) {
- throw new Error("Natspec evaluation failed, method does not exist");
- }
- }
-
- var code = generateCode(context);
-
- var evaluatedExpression = mapExpressionsToEvaluate(expression, function (toEval) {
- //var fn = new Function("context", "toHex", code + "return " + toEval + ";");
- //return fn(context, toHex).toString();
- var fn = new Function("context", "utils", code + "return " + toEval + ";");
- return fn(context, utils).toString();
- });
-
- return evaluatedExpression;
- };
-
- /**
- * Safe version of evaluateExpression
- * Instead of throwing an exception it returns it as a string
- *
- * @method evaluateExpressionSafe
- * @param {String} expression which should be evaluated
- * @param {Object} [call] object containing contract abi, transaction, called method
- * @return {String} evaluated expression
- */
- var evaluateExpressionSafe = function (expression, call) {
- try {
- return evaluateExpression(expression, call);
- }
- catch (err) {
- return err.message;
- }
- };
-
- return {
- evaluateExpression: evaluateExpression,
- evaluateExpressionSafe: evaluateExpressionSafe
- };
-
-})();
-
-module.exports = natspec;
-
-
-},{"./node_modules/web3/lib/solidity/abi.js":2,"../utils/utils":7}]},{},[]);
-`
-
-//# sourceMappingURL=natspec.js.map`
diff --git a/common/natspec/natspec_test.go b/common/natspec/natspec_test.go
deleted file mode 100644
index 50fd3f665..000000000
--- a/common/natspec/natspec_test.go
+++ /dev/null
@@ -1,160 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library 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.
-//
-// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// +build ignore
-
-package natspec
-
-import (
- "testing"
-)
-
-func makeInfoDoc(desc string) []byte {
- return []byte(`
-{
- "source": "contract test { }",
- "language": "Solidity",
- "compilerVersion": "1",
- "userDoc": {
- "methods": {
- "multiply(uint256)": {
- "notice": "` + desc + `"
- },
- "balance(address)": {
- "notice": "` + "`(balanceInmGAV / 1000).fixed(0,3)`" + ` GAV is the total funds available to ` + "`who.address()`." + `"
- }
- },
- "invariants": [
- { "notice": "The sum total amount of GAV in the system is 1 million." }
- ],
- "construction": [
- { "notice": "Endows ` + "`message.caller.address()`" + ` with 1m GAV." }
- ]
- },
- "abiDefinition": [{
- "name": "multiply",
- "constant": false,
- "type": "function",
- "inputs": [{
- "name": "a",
- "type": "uint256"
- }],
- "outputs": [{
- "name": "d",
- "type": "uint256"
- }]
- }]
-}`)
-}
-
-var data = "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
-
-var tx = `
-{
- "params": [{
- "to": "0x8521742d3f456bd237e312d6e30724960f72517a",
- "data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
- }],
-}
-`
-
-func TestNotice(t *testing.T) {
-
- desc := "Will multiply `a` by 7 and return `a * 7`."
- expected := "Will multiply 122 by 7 and return 854."
-
- infodoc := makeInfoDoc(desc)
- ns, err := NewWithDocs(infodoc, tx, data)
- if err != nil {
- t.Errorf("New: error: %v", err)
- return
- }
-
- notice, err := ns.Notice()
-
- if err != nil {
- t.Errorf("expected no error, got %v", err)
- }
-
- if notice != expected {
- t.Errorf("incorrect notice. expected %v, got %v", expected, notice)
- }
-}
-
-// test missing method
-func TestMissingMethod(t *testing.T) {
-
- desc := "Will multiply `a` by 7 and return `a * 7`."
- expected := "natspec.js error evaluating expression: Natspec evaluation failed, method does not exist"
-
- infodoc := makeInfoDoc(desc)
- ns, err := NewWithDocs(infodoc, tx, data)
- if err != nil {
- t.Errorf("New: error: %v", err)
- }
-
- notice, err := ns.noticeForMethod(tx, "missing_method", "")
-
- if err == nil {
- t.Errorf("expected error, got nothing (notice: '%v')", notice)
- } else {
- if err.Error() != expected {
- t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
- }
- }
-}
-
-// test invalid desc
-
-func TestInvalidDesc(t *testing.T) {
-
- desc := "Will multiply 122 by \"7\" and return 854."
- expected := "invalid character '7' after object key:value pair"
-
- infodoc := makeInfoDoc(desc)
- _, err := NewWithDocs(infodoc, tx, data)
- if err == nil {
- t.Errorf("expected error, got nothing", err)
- } else {
- if err.Error() != expected {
- t.Errorf("expected error '%s' got '%v'", expected, err)
- }
- }
-}
-
-// test wrong input params
-func TestWrongInputParams(t *testing.T) {
-
- desc := "Will multiply `e` by 7 and return `a * 7`."
- expected := "natspec.js error evaluating expression: Natspec evaluation failed, wrong input params"
-
- infodoc := makeInfoDoc(desc)
- ns, err := NewWithDocs(infodoc, tx, data)
- if err != nil {
- t.Errorf("New: error: %v", err)
- }
-
- notice, err := ns.Notice()
-
- if err == nil {
- t.Errorf("expected error, got nothing (notice: '%v')", notice)
- } else {
- if err.Error() != expected {
- t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
- }
- }
-
-}
generated by cgit (git 2.34.1) at 2024-11-14 22:27:34 +0800