如何将eth_estimateGas用于erc20令牌？

Question

我想为BNB、PAX、LINK计算估计气体，我使用了geth 1.8和web3.php。

我使用的合同数据(我从以太扫描中找到的)：

/*
* 提示：该行代码过长，系统自动注释不进行高亮。一键复制会移除系统注释 
* '[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"assetProtectionRole","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"betaDelegateWhitelister","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"proposedOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"EIP712_DOMAIN_HASH","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"supplyController","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"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"},{"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":"currentOwner","type":"address"},{"indexed":true,"name":"proposedOwner","type":"address"}],"name":"OwnershipTransferProposed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"oldProposedOwner","type":"address"}],"name":"OwnershipTransferDisregarded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"oldOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"addr","type":"address"}],"name":"AddressFrozen","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"addr","type":"address"}],"name":"AddressUnfrozen","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"addr","type":"address"}],"name":"FrozenAddressWiped","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"oldAssetProtectionRole","type":"address"},{"indexed":true,"name":"newAssetProtectionRole","type":"address"}],"name":"AssetProtectionRoleSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"SupplyIncreased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"SupplyDecreased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"oldSupplyController","type":"address"},{"indexed":true,"name":"newSupplyController","type":"address"}],"name":"SupplyControllerSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"seq","type":"uint256"},{"indexed":false,"name":"fee","type":"uint256"}],"name":"BetaDelegatedTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"oldWhitelister","type":"address"},{"indexed":true,"name":"newWhitelister","type":"address"}],"name":"BetaDelegateWhitelisterSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"newDelegate","type":"address"}],"name":"BetaDelegateWhitelisted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"oldDelegate","type":"address"}],"name":"BetaDelegateUnwhitelisted","type":"event"},{"constant":false,"inputs":[],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"initializeDomainSeparator","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_addr","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_proposedOwner","type":"address"}],"name":"proposeOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"disregardProposeOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"claimOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"reclaimPAX","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newAssetProtectionRole","type":"address"}],"name":"setAssetProtectionRole","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"freeze","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"unfreeze","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"wipeFrozenAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_addr","type":"address"}],"name":"isFrozen","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newSupplyController","type":"address"}],"name":"setSupplyController","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"increaseSupply","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"decreaseSupply","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"target","type":"address"}],"name":"nextSeqOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"sig","type":"bytes"},{"name":"to","type":"address"},{"name":"value","type":"uint256"},{"name":"fee","type":"uint256"},{"name":"seq","type":"uint256"},{"name":"deadline","type":"uint256"}],"name":"betaDelegatedTransfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"r","type":"bytes32[]"},{"name":"s","type":"bytes32[]"},{"name":"v","type":"uint8[]"},{"name":"to","type":"address[]"},{"name":"value","type":"uint256[]"},{"name":"fee","type":"uint256[]"},{"name":"seq","type":"uint256[]"},{"name":"deadline","type":"uint256[]"}],"name":"betaDelegatedTransferBatch","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_addr","type":"address"}],"name":"isWhitelistedBetaDelegate","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newWhitelister","type":"address"}],"name":"setBetaDelegateWhitelister","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"whitelistBetaDelegate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"unwhitelistBetaDelegate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]',
*/
*/
        'address' => '0x8e870d67f660d95d5be530380d0ec0bd388289e1',
        'div' => '1000000000000000000',
    ];

    /**
     * @var array
     */
    public static array $BNB = [
        'abi' => '[{"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":[{"name":"success","type":"bool"}],"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":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"amount","type":"uint256"}],"name":"withdrawEther","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"unfreeze","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"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":true,"inputs":[{"name":"","type":"address"}],"name":"freezeOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"freeze","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"initialSupply","type":"uint256"},{"name":"tokenName","type":"string"},{"name":"decimalUnits","type":"uint8"},{"name":"tokenSymbol","type":"string"}],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"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"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Freeze","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Unfreeze","type":"event"}]',
        'address' => '0xB8c77482e45F1F44dE1745F52C74426C631bDD52',
        'div' => '1000000000000000000',
    ];

    /**
     * @var array
     */
    public static array $LINK = [
        'abi' => '[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Transfer","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"}]',
        'address' => '0x514910771AF9Ca656af840dff83E8264EcF986CA',
        'div' => '1000000000000000000',
    ];

但是我总是会遇到这样的错误，而且所有的错误都是不同的：

BNB:

我的有效载荷：

{"id":41949930,"jsonrpc":"2.0","method":"eth_estimateGas","params":[{"from":"0xa96Ce4C161271C797d979017821A278e1481eAfA","to":"0xb8c77482e45f1f44de1745f52c74426c631bdd52","data":"0xa9059cbb0000000000000000000000008eac6bfe4cf663b4a4a0ffbcd93277dbcbc11c5500000000000000000000000000000000000000000000000000000000000003e8"}]}

结果：

{#76
  +"jsonrpc": "2.0"
  +"id": 41949930
  +"error": {#79
    +"code": -32000
    +"message": "execution reverted"
  }
}

PAX:

我的有效载荷：

{"id":1544773853,"jsonrpc":"2.0","method":"eth_estimateGas","params":[{"from":"0xa96Ce4C161271C797d979017821A278e1481eAfA","to":"0x8e870d67f660d95d5be530380d0ec0bd388289e1","data":"0xa9059cbb0000000000000000000000008eac6bfe4cf663b4a4a0ffbcd93277dbcbc11c5500000000000000000000000000000000000000000000000000000000000003e8"}]}

结果：

{#76
  +"jsonrpc": "2.0"
  +"id": 1544773853
  +"error": {#79
    +"code": 3
    +"message": "execution reverted: insufficient funds"
    +"data": "0x08c379a000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000012696e73756666696369656e742066756e64730000000000000000000000000000"
  }
}

链接：

我的有效载荷：

{"id":579853267,"jsonrpc":"2.0","method":"eth_estimateGas","params":[{"from":"0xa96Ce4C161271C797d979017821A278e1481eAfA","to":"0x514910771af9ca656af840dff83e8264ecf986ca","data":"0xa9059cbb0000000000000000000000008eac6bfe4cf663b4a4a0ffbcd93277dbcbc11c5500000000000000000000000000000000000000000000000000000000000003e8"}]}

结果：

{#76
  +"jsonrpc": "2.0"
  +"id": 579853267
  +"error": {#79
    +"code": -32000
    +"message": "invalid opcode: opcode 0xfe not defined"
  }
}

我能做什么?

Answer 1

如果from帐户没有令牌，则估计无法工作，因为调用将失败。您需要将您要estimateGas的令牌放入from地址，或者使用一个已经将令牌作为from地址的钱包