rename all libs from xxx.yyy to xxx-yyy

This commit is contained in:
Luk Lu
2022-06-04 12:08:41 +08:00
parent aff70d43f7
commit 07a88d9bc7
5 changed files with 717 additions and 639 deletions

875
eth.js
View File

@@ -2,460 +2,525 @@
const eth = require('etherscan-api').init('E3ZFFAEMNN33KX4HHVUZ4KF8XY1FXMR4BI')
const secretStorage = require('./utils/secret-storage')
const SigningKey = require('./utils/signing-key.js')
const Ticrypto = require('tic.crypto')
const Ticrypto = require('tic-crypto')
const HDNode = require('./utils/hdnode')
const utils = require('./util.js')
const axios = require('axios')
require('setimmediate')
const GAS_UNIT_WEI = 1e18 //1wei
const GAS_UNIT_GWEI = 1e9 //1gwei = 1e9 wei
const GAS_UNIT_WEI = 1e18 //1wei
const GAS_UNIT_GWEI = 1e9 //1gwei = 1e9 wei
const GAS_Fee = 0.000021
const GAS_Fee_ERC20 = 0.000060
const GAS_Fee_ERC20 = 0.00006
const GAS_LIMIT = 21000
const GAS_LIMIT_ERC20 = 6e4
const defaultPath = "m/44'/60'/0'/0/0"
const ETH_NODE = require('./netConfig').ETH_NODE
const transactionFields = [
{name: 'nonce', maxLength: 32, },
{name: 'gasPrice', maxLength: 32, },
{name: 'gasLimit', maxLength: 32, },
{name: 'to', length: 20, },
{name: 'value', maxLength: 32, },
{name: 'data'},
{ name: 'nonce', maxLength: 32 },
{ name: 'gasPrice', maxLength: 32 },
{ name: 'gasLimit', maxLength: 32 },
{ name: 'to', length: 20 },
{ name: 'value', maxLength: 32 },
{ name: 'data' }
]
class ETH {
constructor(privateKey){
if(privateKey.length == 64 && !(privateKey.split('x')[1] && privateKey.split('x')[0] === '0'))
privateKey = '0x'+privateKey
var signingKey = privateKey
if (!(privateKey instanceof SigningKey)) {
signingKey = new SigningKey(privateKey)
constructor (privateKey) {
if (
privateKey.length == 64 &&
!(privateKey.split('x')[1] && privateKey.split('x')[0] === '0')
)
privateKey = '0x' + privateKey
var signingKey = privateKey
if (!(privateKey instanceof SigningKey)) {
signingKey = new SigningKey(privateKey)
}
Object.defineProperties(this, {
privateKey: {
enumerable: true,
writable: false,
value: signingKey.privateKey
},
address: {
enumerable: true,
writable: false,
value: signingKey.address
},
url: {
enumerable: true,
get: function () {
return this._url
},
set: function (url) {
if (typeof url !== 'string') {
throw new Error('invalid url')
}
this._url = url
}
Object.defineProperties(this, {
'privateKey' : {
enumerable : true,
writable : false,
value : signingKey.privateKey
},
defaultGasFee: {
enumerable: true,
get: function () {
return this._defaultGasFee
},
set: function (value) {
if (typeof value !== 'number') {
throw new Error('invalid defaultGasFee')
}
this._defaultGasFee = value
}
}
})
this._defaultGasFee = GAS_Fee
this._url = ETH_NODE
}
static generateNewAccount (option = { path: defaultPath }) {
//major path as default path >/0'/0/0
var mnemonic = Ticrypto.randomSecword()
return Object.assign(ETH.fromMnemonic(mnemonic, option), {
mnemonic,
mnemonic
})
}
static fromMnemonic (mnemonic, option = { path: defaultPath }) {
HDNode.isValidMnemonic(mnemonic) //check valid mnemonic,will throw Error if not valid
let seed = HDNode.mnemonicToSeed(mnemonic)
return new ETH(HDNode.fromSeed(seed).derivePath(option.path).privateKey)
}
static async getBalance (address) {
if (!address) {
throw new Error('Address is required')
}
let res = (
await axios.post(ETH_NODE, {
jsonrpc: '2.0',
method: 'eth_getBalance',
params: [address, 'latest'],
id: 1
})
).data
if (res) return parseInt(res.result) / 1e18
//1000000000000000000
else return null
}
static async getActions (address) {
let tx = await eth.account.txlist(address, 0, 'latast')
if (tx && tx.message === 'OK') return tx.result
else return []
}
static fromEncryptedWallet (json, password, progressCallback) {
if (progressCallback && typeof progressCallback !== 'function') {
throw new Error('invalid callback')
}
return new Promise(function (resolve, reject) {
if (secretStorage.isCrowdsaleWallet(json)) {
try {
var privateKey = secretStorage.decryptCrowdsale(json, password)
resolve(new ETH(privateKey))
} catch (error) {
reject(error)
}
} else if (secretStorage.isValidWallet(json)) {
secretStorage
.decrypt(json, password, progressCallback)
.then(
function (signingKey) {
var wallet = new ETH(signingKey)
if (signingKey.mnemonic && signingKey.path) {
utils.defineProperty(wallet, 'mnemonic', signingKey.mnemonic)
utils.defineProperty(wallet, 'path', signingKey.path)
}
resolve(wallet)
return null
},
'address' : {
enumerable : true,
writable : false,
value : signingKey.address,
},
'url' : {
enumerable: true,
get: function() { return this._url },
set: function(url) {
if (typeof(url) !== 'string') { throw new Error('invalid url') }
this._url = url
},
},
'defaultGasFee' : {
enumerable: true,
get: function() { return this._defaultGasFee },
set: function(value) {
if (typeof(value) !== 'number') { throw new Error('invalid defaultGasFee') }
this._defaultGasFee = value
}
function (error) {
reject(error)
}
)
.catch(function (error) {
reject(error)
})
} else {
reject('invalid wallet JSON')
}
})
}
static parseTransaction (rawTransaction) {
rawTransaction = utils.hexlify(rawTransaction, 'rawTransaction')
var signedTransaction = utils.RLP.decode(rawTransaction)
if (signedTransaction.length !== 9) {
throw new Error('invalid transaction')
}
var raw = []
var transaction = {}
transactionFields.forEach(function (fieldInfo, index) {
transaction[fieldInfo.name] = signedTransaction[index]
raw.push(signedTransaction[index])
})
if (transaction.to) {
if (transaction.to == '0x') {
delete transaction.to
} else {
transaction.to = utils.getAddress(transaction.to)
}
}
;['gasPrice', 'gasLimit', 'nonce', 'value'].forEach(function (name) {
if (!transaction[name]) {
return
}
if (transaction[name].length === 0) {
transaction[name] = utils.bigNumberify(0)
} else {
transaction[name] = utils.bigNumberify(transaction[name])
}
})
if (transaction.nonce) {
transaction.nonce = transaction.nonce.toNumber()
} else {
transaction.nonce = 0
}
var v = utils.arrayify(signedTransaction[6])
var r = utils.arrayify(signedTransaction[7])
var s = utils.arrayify(signedTransaction[8])
if (
v.length >= 1 &&
r.length >= 1 &&
r.length <= 32 &&
s.length >= 1 &&
s.length <= 32
) {
transaction.v = utils.bigNumberify(v).toNumber()
transaction.r = signedTransaction[7]
transaction.s = signedTransaction[8]
var chainId = (transaction.v - 35) / 2
if (chainId < 0) {
chainId = 0
}
chainId = parseInt(chainId)
transaction.chainId = chainId
var recoveryParam = transaction.v - 27
if (chainId) {
raw.push(utils.hexlify(chainId))
raw.push('0x')
raw.push('0x')
recoveryParam -= chainId * 2 + 8
}
var digest = utils.keccak256(utils.RLP.encode(raw))
try {
transaction.from = SigningKey.recover(digest, r, s, recoveryParam)
} catch (error) {
console.log(error)
}
}
return transaction
}
static encrypt (data, key) {
if (!data || !key) throw new Error('Required Params Missing')
return Ticrypto.encrypt(data, key)
}
static decrypt (data, key) {
return Ticrypto.decrypt(data, key, { format: 'json' }) //return null for wrong key
}
static async estimateGasPrice () {
try {
return (
parseInt(
(
await axios.post(ETH_NODE, {
method: 'eth_gasPrice',
id: '6842',
jsonrpc: '2.0'
})
).data.result
) / 1e9
)
} catch (err) {
return 1
}
}
static isValidAddress (address) {
let res = address.match(/^(0x)?[0-9a-fA-F]{40}$/)
return res && res[0].slice(0, 2) === '0x'
}
async getBalance () {
return ETH.getBalance(this.address)
}
async getActions () {
return ETH.getActions(this.address)
}
async getTransactionCount () {
if (!this._url) {
throw new Error('Base url required')
}
var self = this
return (
(
await axios.post(this._url, {
jsonrpc: '2.0',
method: 'eth_getTransactionCount',
params: [self.address, 'latest'],
id: 1
})
this._defaultGasFee = GAS_Fee
this._url = ETH_NODE
).data.result || null
)
}
signTransaction (transaction) {
var chainId = transaction.chainId
if (chainId == null && this.provider) {
chainId = this.provider.chainId
}
static generateNewAccount(option = {path:defaultPath}){
//major path as default path >/0'/0/0
var mnemonic = Ticrypto.randomSecword()
return Object.assign(ETH.fromMnemonic(mnemonic, option),{mnemonic,mnemonic})
if (!chainId) {
chainId = 0
}
static fromMnemonic(mnemonic, option = {path:defaultPath}){
HDNode.isValidMnemonic(mnemonic) //check valid mnemonic,will throw Error if not valid
let seed = HDNode.mnemonicToSeed(mnemonic)
return new ETH(HDNode.fromSeed(seed).derivePath(option.path).privateKey)
}
static async getBalance(address){
if(!address){ throw new Error('Address is required') }
let res = (await axios.post(ETH_NODE,{
"jsonrpc":"2.0","method":"eth_getBalance","params":[address, "latest"],"id":1
})).data
if(res)
return parseInt(res.result)/1e18 //1000000000000000000
else return null
}
static async getActions(address){
let tx = await eth.account.txlist(address, 0 ,'latast')
if(tx && tx.message === 'OK')
return tx.result
else return []
}
static fromEncryptedWallet(json, password, progressCallback) {
if (progressCallback && typeof(progressCallback) !== 'function') {
throw new Error('invalid callback')
}
return new Promise(function(resolve, reject) {
if (secretStorage.isCrowdsaleWallet(json)) {
try {
var privateKey = secretStorage.decryptCrowdsale(json, password)
resolve(new ETH(privateKey))
} catch (error) {
reject(error)
}
} else if (secretStorage.isValidWallet(json)) {
secretStorage.decrypt(json, password, progressCallback).then(function(signingKey) {
var wallet = new ETH(signingKey)
if (signingKey.mnemonic && signingKey.path) {
utils.defineProperty(wallet, 'mnemonic', signingKey.mnemonic)
utils.defineProperty(wallet, 'path', signingKey.path)
}
resolve(wallet)
return null
}, function(error) {
reject(error)
}).catch(function(error) { reject(error) })
} else {
reject('invalid wallet JSON')
}
})
}
static parseTransaction(rawTransaction){
rawTransaction = utils.hexlify(rawTransaction, 'rawTransaction')
var signedTransaction = utils.RLP.decode(rawTransaction)
if (signedTransaction.length !== 9) { throw new Error('invalid transaction') }
var raw = []
var transaction = {}
transactionFields.forEach(function(fieldInfo, index) {
transaction[fieldInfo.name] = signedTransaction[index]
raw.push(signedTransaction[index])
})
if (transaction.to) {
if (transaction.to == '0x') {
delete transaction.to
} else {
transaction.to = utils.getAddress(transaction.to)
}
}
['gasPrice', 'gasLimit', 'nonce', 'value'].forEach(function(name) {
if (!transaction[name]) { return }
if (transaction[name].length === 0) {
transaction[name] = utils.bigNumberify(0)
} else {
transaction[name] = utils.bigNumberify(transaction[name])
}
})
if (transaction.nonce) {
transaction.nonce = transaction.nonce.toNumber()
} else {
transaction.nonce = 0
}
var v = utils.arrayify(signedTransaction[6])
var r = utils.arrayify(signedTransaction[7])
var s = utils.arrayify(signedTransaction[8])
if (v.length >= 1 && r.length >= 1 && r.length <= 32 && s.length >= 1 && s.length <= 32) {
transaction.v = utils.bigNumberify(v).toNumber()
transaction.r = signedTransaction[7]
transaction.s = signedTransaction[8]
var chainId = (transaction.v - 35) / 2
if (chainId < 0) { chainId = 0 }
chainId = parseInt(chainId)
transaction.chainId = chainId
var recoveryParam = transaction.v - 27
if (chainId) {
raw.push(utils.hexlify(chainId))
raw.push('0x')
raw.push('0x')
recoveryParam -= chainId * 2 + 8
}
var digest = utils.keccak256(utils.RLP.encode(raw))
try {
transaction.from = SigningKey.recover(digest, r, s, recoveryParam)
} catch (error) {
console.log(error)
}
}
return transaction
}
static encrypt(data, key){
if(!data || !key) throw new Error('Required Params Missing')
return Ticrypto.encrypt(data,key)
}
static decrypt(data, key){
return Ticrypto.decrypt(data, key, {format:"json"}) //return null for wrong key
}
static async estimateGasPrice(){
try{
return parseInt((await axios.post(ETH_NODE, {
"method": "eth_gasPrice",
"id": "6842",
"jsonrpc": "2.0"
})).data.result)/1e9
}
catch(err){
return 1
var raw = []
transactionFields.forEach(function (fieldInfo) {
var value = transaction[fieldInfo.name] || []
value = utils.arrayify(utils.hexlify(value), fieldInfo.name)
// Fixed-width field
if (
fieldInfo.length &&
value.length !== fieldInfo.length &&
value.length > 0
) {
var error = new Error('invalid ' + fieldInfo.name)
error.reason = 'wrong length'
error.value = value
throw error
}
// Variable-width (with a maximum)
if (fieldInfo.maxLength) {
value = utils.stripZeros(value)
if (value.length > fieldInfo.maxLength) {
var error = new Error('invalid ' + fieldInfo.name)
error.reason = 'too long'
error.value = value
throw error
}
}
raw.push(utils.hexlify(value))
})
if (chainId) {
raw.push(utils.hexlify(chainId))
raw.push('0x')
raw.push('0x')
}
static isValidAddress(address){
let res = address.match(/^(0x)?[0-9a-fA-F]{40}$/)
return res && res[0].slice(0,2) === '0x'
var digest = utils.keccak256(utils.RLP.encode(raw))
var signingKey = new SigningKey(this.privateKey)
var signature = signingKey.signDigest(digest)
var v = 27 + signature.recoveryParam
if (chainId) {
raw.pop()
raw.pop()
raw.pop()
v += chainId * 2 + 8
}
async getBalance(){
return ETH.getBalance(this.address)
}
async getActions(){
return ETH.getActions(this.address)
}
async getTransactionCount(){
if(!this._url){ throw new Error('Base url required') }
var self = this
return (await axios.post(this._url,{
"jsonrpc":"2.0","method":"eth_getTransactionCount","params":[self.address, "latest"],"id":1
})).data.result||null
}
signTransaction(transaction){
var chainId = transaction.chainId
if (chainId == null && this.provider) { chainId = this.provider.chainId }
if (!chainId) { chainId = 0 }
raw.push(utils.hexlify(v))
raw.push(utils.stripZeros(utils.arrayify(signature.r)))
raw.push(utils.stripZeros(utils.arrayify(signature.s)))
var raw = []
transactionFields.forEach(function(fieldInfo) {
var value = transaction[fieldInfo.name] || ([])
value = utils.arrayify(utils.hexlify(value), fieldInfo.name)
// Fixed-width field
if (fieldInfo.length && value.length !== fieldInfo.length && value.length > 0) {
var error = new Error('invalid ' + fieldInfo.name)
error.reason = 'wrong length'
error.value = value
throw error
}
// Variable-width (with a maximum)
if (fieldInfo.maxLength) {
value = utils.stripZeros(value)
if (value.length > fieldInfo.maxLength) {
var error = new Error('invalid ' + fieldInfo.name)
error.reason = 'too long'
error.value = value
throw error
}
}
raw.push(utils.hexlify(value))
})
if (chainId) {
raw.push(utils.hexlify(chainId))
raw.push('0x')
raw.push('0x')
}
var digest = utils.keccak256(utils.RLP.encode(raw))
var signingKey = new SigningKey(this.privateKey)
var signature = signingKey.signDigest(digest)
var v = 27 + signature.recoveryParam
if (chainId) {
raw.pop()
raw.pop()
raw.pop()
v += chainId * 2 + 8
}
raw.push(utils.hexlify(v))
raw.push(utils.stripZeros(utils.arrayify(signature.r)))
raw.push(utils.stripZeros(utils.arrayify(signature.s)))
return utils.RLP.encode(raw)
}
async sendTransaction(toAddress, amount, option = {gasFee : GAS_Fee}){
/****************************************************************
return utils.RLP.encode(raw)
}
async sendTransaction (toAddress, amount, option = { gasFee: GAS_Fee }) {
/****************************************************************
1 Ether = 1e18 wei
1Gwei = 1e9 wei
*GWei as the unit of gasPrice, minimum gasPrice is 1Gwei
*unit of amount is ethershould be translate to wei
****************************************************************/
let nonce = await this.getTransactionCount()
if(!nonce) nonce = '0x0'
var gasPrice, gasLimit
if(!option.gasPrice || !option.gasLimit){
//Normal Mode:use customized gasFee( ether ) to caculate gasPrice( wei ), gasLimit use default value
gasLimit = GAS_LIMIT
gasPrice = String(option.gasFee * GAS_UNIT_WEI / gasLimit)
}
else{
//Advance Mode:specified the gasLimit and gasPrice( gwei )
gasLimit = option.gasLimit
gasPrice = String(GAS_UNIT_GWEI * option.gasPrice)
}
let transaction = {
nonce: nonce,
gasLimit: gasLimit,
gasPrice: utils.bigNumberify(gasPrice),
to: toAddress,
let nonce = await this.getTransactionCount()
if (!nonce) nonce = '0x0'
var gasPrice, gasLimit
if (!option.gasPrice || !option.gasLimit) {
//Normal Mode:use customized gasFee( ether ) to caculate gasPrice( wei ), gasLimit use default value
gasLimit = GAS_LIMIT
gasPrice = String((option.gasFee * GAS_UNIT_WEI) / gasLimit)
} else {
//Advance Mode:specified the gasLimit and gasPrice( gwei )
gasLimit = option.gasLimit
gasPrice = String(GAS_UNIT_GWEI * option.gasPrice)
}
let transaction = {
nonce: nonce,
gasLimit: gasLimit,
gasPrice: utils.bigNumberify(gasPrice),
to: toAddress,
value: utils.parseEther(String(amount)),
}
try{
let signedTransaction = this.signTransaction(transaction)
let ethTxRes = (await axios.post(ETH_NODE,{
"jsonrpc":"2.0",
"method":"eth_sendRawTransaction",
"params":[signedTransaction.toString('hex')],
"id":6842
})).data
if(ethTxRes && ethTxRes.result)
return ethTxRes
return null
}
catch(err){
return null
}
value: utils.parseEther(String(amount))
}
encrypt(key){
return ETH.encrypt(this, key)
try {
let signedTransaction = this.signTransaction(transaction)
let ethTxRes = (
await axios.post(ETH_NODE, {
jsonrpc: '2.0',
method: 'eth_sendRawTransaction',
params: [signedTransaction.toString('hex')],
id: 6842
})
).data
if (ethTxRes && ethTxRes.result) return ethTxRes
return null
} catch (err) {
return null
}
}
encrypt (key) {
return ETH.encrypt(this, key)
}
}
class ERC20 extends ETH{
constructor(privateKey, contractAddress){
if(!contractAddress) throw new Error('Missing contractAddress')
super(privateKey)
Object.defineProperty(this, 'contractAddress',{
enumerable:true,
writable:false,
value:contractAddress
})
class ERC20 extends ETH {
constructor (privateKey, contractAddress) {
if (!contractAddress) throw new Error('Missing contractAddress')
super(privateKey)
Object.defineProperty(this, 'contractAddress', {
enumerable: true,
writable: false,
value: contractAddress
})
}
static async getDecimals (contractAddress) {
if (!contractAddress) throw new Error('Missing params')
let queryAddress =
'0x313ce567' + contractAddress.split('x')[1].padStart(64, '0')
let params = [{ to: contractAddress, data: queryAddress }, 'latest']
let queryData = {
jsonrpc: '2.0',
method: 'eth_call',
params: params,
id: 6842
}
static async getDecimals(contractAddress){
if(!contractAddress) throw new Error('Missing params')
let queryAddress = '0x313ce567' + (contractAddress.split('x')[1]).padStart(64,'0')
let params = [{"to":contractAddress, "data":queryAddress},"latest"]
let queryData = {
"jsonrpc":"2.0",
"method":"eth_call",
"params":params,
"id":6842
}
return parseInt((await axios.post(ETH_NODE, queryData)).data.result)
return parseInt((await axios.post(ETH_NODE, queryData)).data.result)
}
static async getBalance (address, contractAddress) {
if (!address || !contractAddress) throw new Error('Missing params')
let queryAddress = '0x70a08231' + address.split('x')[1].padStart(64, '0')
let params = [{ to: contractAddress, data: queryAddress }, 'latest']
let queryData = {
jsonrpc: '2.0',
method: 'eth_call',
params: params,
id: 6842
}
static async getBalance(address, contractAddress){
if(!address || !contractAddress) throw new Error('Missing params')
let queryAddress = '0x70a08231' + (address.split('x')[1]).padStart(64,'0')
let params = [{"to":contractAddress, "data":queryAddress},"latest"]
let queryData = {
"jsonrpc":"2.0",
"method":"eth_call",
"params":params,
"id":6842
}
// return parseInt(erc20res.result)/Number('10'.padEnd(ERC20Table[obj.name].decimals+1,'0'))
let res = (await axios.post(ETH_NODE, queryData)).data.result
if(res == '0x') return 0
return parseInt(res)
}
static async getActions(address, contractAddress){
try{
let res = (await eth.account.tokentx(address,contractAddress))
if(res && res.result)
return res.result
}
catch(err){
return []
}
return
// return parseInt(erc20res.result)/Number('10'.padEnd(ERC20Table[obj.name].decimals+1,'0'))
let res = (await axios.post(ETH_NODE, queryData)).data.result
if (res == '0x') return 0
return parseInt(res)
}
static async getActions (address, contractAddress) {
try {
let res = await eth.account.tokentx(address, contractAddress)
if (res && res.result) return res.result
} catch (err) {
return []
}
return
}
async getBalance(){
return ERC20.getBalance(this.address, this.contractAddress)
}
async getActions(){
return ERC20.getActions(this.address, this.contractAddress)
}
async getDecimals(){
let decimals = await ERC20.getDecimals(this.contractAddress)
if(decimals)
Object.defineProperty(this, 'decimals', {
enumerable:true,
value:decimals,
writable:false
})
else
return 0 // any good idea?
}
async sendTransaction(toAddress, amount, option = {gasFee : GAS_Fee_ERC20}){
/****************************************************************
async getBalance () {
return ERC20.getBalance(this.address, this.contractAddress)
}
async getActions () {
return ERC20.getActions(this.address, this.contractAddress)
}
async getDecimals () {
let decimals = await ERC20.getDecimals(this.contractAddress)
if (decimals)
Object.defineProperty(this, 'decimals', {
enumerable: true,
value: decimals,
writable: false
})
else return 0 // any good idea?
}
async sendTransaction (
toAddress,
amount,
option = { gasFee: GAS_Fee_ERC20 }
) {
/****************************************************************
1 Ether = 1e18 wei
1 Gwei = 1e9 wei
*GWei as the unit of gasPrice, minimum gasPrice is 1Gwei
minimum gaslimit for erc20transaction is 6e4
****************************************************************/
var nonce = await this.getTransactionCount()
var gasPrice, gasLimit, decimals, contractAddress = this.contractAddress
if(!nonce) nonce = '0x0'
if(!option.gasPrice || !option.gasLimit){
//Normal Mode:use customized gasFee( ether ) to caculate gasPrice( wei ), gasLimit use default value
gasLimit = GAS_LIMIT_ERC20
gasPrice = String(option.gasFee * GAS_UNIT_WEI / gasLimit)
}
else{
//Advance Mode:specified the gasLimit and gasPrice( gwei )
gasLimit = option.gasLimit
gasPrice = String(GAS_UNIT_GWEI * option.gasPrice)
}
if(!option.decimals) decimals = await ERC20.getDecimals(contractAddress)
let txBody = '0x' + 'a9059cbb' + toAddress.split('x')[1].padStart(64,'0')+ Number(amount*Math.pow(10,decimals)).toString(16).padStart(64,'0')
let transaction = {
nonce: nonce,
gasLimit: gasLimit,
gasPrice : utils.bigNumberify(gasPrice),
to: contractAddress,
value : 0,
data : txBody
}
let signedTransaction = this.signTransaction(transaction)
try{
let erc20TxRes = (await axios.post(ETH_NODE, {
"jsonrpc":"2.0",
"method":"eth_sendRawTransaction",
"params":[signedTransaction.toString('hex')],
"id":6842
})).data
if(erc20TxRes && erc20TxRes.result)
return erc20TxRes.result
console.log(erc20TxRes)
return null
}
catch(err){
return null
}
var nonce = await this.getTransactionCount()
var gasPrice,
gasLimit,
decimals,
contractAddress = this.contractAddress
if (!nonce) nonce = '0x0'
if (!option.gasPrice || !option.gasLimit) {
//Normal Mode:use customized gasFee( ether ) to caculate gasPrice( wei ), gasLimit use default value
gasLimit = GAS_LIMIT_ERC20
gasPrice = String((option.gasFee * GAS_UNIT_WEI) / gasLimit)
} else {
//Advance Mode:specified the gasLimit and gasPrice( gwei )
gasLimit = option.gasLimit
gasPrice = String(GAS_UNIT_GWEI * option.gasPrice)
}
if (!option.decimals) decimals = await ERC20.getDecimals(contractAddress)
let txBody =
'0x' +
'a9059cbb' +
toAddress.split('x')[1].padStart(64, '0') +
Number(amount * Math.pow(10, decimals))
.toString(16)
.padStart(64, '0')
let transaction = {
nonce: nonce,
gasLimit: gasLimit,
gasPrice: utils.bigNumberify(gasPrice),
to: contractAddress,
value: 0,
data: txBody
}
let signedTransaction = this.signTransaction(transaction)
try {
let erc20TxRes = (
await axios.post(ETH_NODE, {
jsonrpc: '2.0',
method: 'eth_sendRawTransaction',
params: [signedTransaction.toString('hex')],
id: 6842
})
).data
if (erc20TxRes && erc20TxRes.result) return erc20TxRes.result
console.log(erc20TxRes)
return null
} catch (err) {
return null
}
}
}
module.exports = {
ETH, ERC20
ETH,
ERC20
}