Created
September 16, 2020 14:53
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Tao TRC21
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/* | |
* RPC: https://rpc.tao.network mainnet, https://rpc.testnet.tao.network testnet | |
* chainId: 558 mainnet, 559 testnet | |
*/ | |
const Web3 = require('web3') | |
const rpc = 'https://rpc.testnet.tao.network' | |
const chainId = 559 | |
const pkey = 'YOUR_PKEY' // token holder pkey | |
const contractAddress = 'TOKEN_CONTRACT_ADDRESS' // token contract address | |
const web3 = new Web3(rpc) | |
const account = web3.eth.accounts.privateKeyToAccount(pkey) | |
const holder = account.address | |
web3.eth.accounts.wallet.add(account) | |
web3.eth.defaultAccount = holder | |
const trc21Abi = require('./TRC21.json') | |
const trc21 = new web3.eth.Contract(trc21Abi, | |
contractAddress, {gasPrice: 250000000, gas: 2000000 }) | |
// check token balance | |
trc21.methods.balanceOf(holder).call() | |
.then((result) => { | |
console.log(result) | |
}).catch(e => console.log(e)) | |
// Estimate fee for sending tokens | |
trc21.methods.estimateFee(250000000).call() | |
.then((result) => { | |
console.log(result) | |
}).catch(e => console.log(e)) | |
const to = '0xf8ac9d5022853c5847ef75aea0104eed09e5f402' // e.g send tokens to this address | |
// trasfer token to new address, make sure you have enough TAO to pay tx fee | |
trc21.methods.transfer(to, '500000000000000000000').send({ | |
from: holder, | |
gas: 2000000, | |
gasPrice: 250000000, | |
chainId: chainId | |
}) | |
.then((result) => { | |
console.log(result) | |
}).catch(e => console.log(e)) |
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