Created
March 28, 2018 16:32
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Send ethereum ERC20 token via web3.js (ether, ETH, contract)
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const Tx = require('ethereumjs-tx'); | |
const Web3 = require('web3'); | |
const web3 = new Web3(new Web3.providers.HttpProvider('https://mainnet.infura.io/')); | |
const contractAddr = 'CONTRACT_ADDRESS'; | |
const contractAbi = [/* CONTRACT_ABI_ARRAY */]; | |
const contractOwner = { | |
addr: 'CONTRACT_OWNER_ADDRESS', | |
key: 'CONTRACT_OWNER_PRIVATE_KEY' | |
}; | |
sendToken('RECEIVER_ADDRESS', 'AMOUNT_OF_TOKEN'); | |
function sendToken(receiver, amount) { | |
console.log(`Start to send ${amount} tokens to ${receiver}`); | |
const contract = web3.eth.contract(contractAbi).at(contractAddr); | |
const data = contract.transfer.getData(receiver, amount * 1e18); | |
const gasPrice = web3.eth.gasPrice; | |
const gasLimit = 90000; | |
const rawTransaction = { | |
'from': contractOwner.addr, | |
'nonce': web3.toHex(web3.eth.getTransactionCount(contractOwner.addr)), | |
'gasPrice': web3.toHex(gasPrice), | |
'gasLimit': web3.toHex(gasLimit), | |
'to': contractAddr, | |
'value': 0, | |
'data': data, | |
'chainId': 1 | |
}; | |
const privKey = new Buffer(contractOwner.key, 'hex'); | |
const tx = new Tx(rawTransaction); | |
tx.sign(privKey); | |
const serializedTx = tx.serialize(); | |
web3.eth.sendRawTransaction('0x' + serializedTx.toString('hex'), function (err, hash) { | |
if (err) { | |
console.log(err); | |
} | |
console.log(hash); | |
}); | |
} |
@iegestesi
Sorry that it's so long time ago I wrote this code, and I haven't developed blockchain related for more than 2 years.
Maybe you can find the solution in latest ethereumjs-tx and web3.js docs
can you let me know what was Web3.js version?
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Can you write this code for send function in erc 777 tokens? Unfortunately, there is no data transmission in Erc 20 tokens or I could not, but I could not, but data is sent in erc 777 tokens. It would be nice if you couldn't find sample code in this topic.