ERC20如eos转账demo

作者: 菠菜期权 | 来源:发表于2017-11-01 13:38 被阅读559次
    from web3 import Web3, HTTPProvider
    from web3.contract import ConciseContract
    import json
    
    web3 = Web3(HTTPProvider('http://localhost:8545'))
    print(web3.eth.blockNumber)
    
    tx='0xb1ea3885a25efa295837c287560fe4c137c1bcd3718720330eb68d7f96a5479e'
    web3.eth.getTransaction(tx)
    web3.eth.getTransactionReceipt(tx)
    
    exit(0)
    
    web3.eth.defaultAccount = '0x00B113795f1aA12EE361adC6D281392802d0e025'
    EIP20_ABI_str = '[{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"},{"name":"_releaseTime","type":"uint256"}],"name":"mintTimelocked","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]'
    EIP20_ABI = json.loads(EIP20_ABI_str)
    
    token_contract_address = '0x86fa049857e0209aa7d9e616f7eb3b3b78ecfdb0'
    
    token = web3.eth.contract(
      token_contract_address,
      abi=EIP20_ABI,
      ContractFactoryClass=ConciseContract,
    )
    
    totalSupply = token.totalSupply()
    balance = token.balanceOf('0x00B113795f1aA12EE361adC6D281392802d0e025')
    tx = token.transfer(
        '0x00845daA689b1374ecAf4CfEcfBfc86D41ec7735', 
        web3.toWei(2,"ether"),
        transact={'from':'0x00B113795f1aA12EE361adC6D281392802d0e025'})
    
    tx = '0xb3b82923d8d9b5d28fbab7f7281704f033362ac9f293e6638227efb44ff85499'
    web3.eth.getTransaction(tx)
    web3.eth.getTransactionReceipt(tx)
    
    web3.eth.getTransactionCount(web3.eth.coinbase)
    web3.eth.getTransactionCount('0x00B113795f1aA12EE361adC6D281392802d0e025')
    
    
    ERC20如eos转账demo

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