The tron-tx-decoder from meetsiraja

tron-tx-decoder

Lightweight utility for decoding function parameters and function output from Tron blocklchain transactions.

Minimal dependencies.
Decode method name used by specific Transaction Id.
Find the input parameter passed to function by Transaction Id.
Find the exact output returned from the function by Transaction Id.
Built with ethers.js.

Demo: https://tron-decoder.github.io

Installation

npm i tron-tx-decoder

Initialization

const TronTxDecoder = require('tron-tx-decoder');

const decoder = new TronTxDecoder({ mainnet: true });
// { mainnet: false } for testnet

Decode Input:

Decode function input parameters by passing transaction id.

async function decodeTxInput(txId){
    const decodedInput = await decoder.decodeInputById(txId);
    return decodedInput;
}

decodeTxInput("0c739761b34a891b3bbecd528302de827736660d76c62dacf8d3a9ebe7dade08");

Output:

{ 
    methodName: 'submitTheGame',
    inputNames: [ '_betId', 'freshHouseSeed', 'rollResult', '_gameOutcome' ],
    inputTypes: [ 'uint256', 'address', 'uint8', 'uint8' ],
    decodedInput: { 
        '0': BigNumber { _hex: '0x265aa6' },
        '1': '0x8F476d1155E9910A885Cae1c4396BDD392c3883E',
        '2': 11,
        '3': 1,
        _length: 4 
    } 
}

Decode Output:

Decode function outputs by passing transaction id.

async function decodeTxOutput(txId){
    const decodedOutput = await decoder.decodeResultById(txId);
    return decodedOutput;
}

decodeTxOutput("0c739761b34a891b3bbecd528302de827736660d76c62dacf8d3a9ebe7dade08");

Output:

{ 
    methodName: 'submitTheGame',
    outputNames: [ null, null ],
    outputTypes: [ 'uint256', 'uint256' ],
    decodedOutput: { 
        '0': BigNumber { _hex: '0x265aa6' },
        '1': BigNumber { _hex: '0x0615ec20' },
        _length: 2 
    }
}

Decode Revert Message (if any):

Decode function outputs by passing transaction id.

async function decodeRevertMessage(txId){
    const decodedMessage = await decoder.decodeRevertMessage(txId);
    return decodedMessage;
}

decodeRevertMessage("5d6db71f3316a2abdf7f08f97cd42880209ee7344816d404ce865a8679bdb7ae");

Output:

{ 
    txStatus: 'REVERT',
    revertMessage: 'Plot is not currently owned' 
}

BigNumber

BigNumber can be converted to number using prototype .toNumber(). Which return a JavaScript number of the value.
BigNumber Documentation (ethers.js)

Contributing

Issues & Pull requests are welcome! Fork, branch, and submit PR.

Changelog

Changelog

Licence

MIT

meetsiraja / tron-tx-decoder Goto Github PK

tron-tx-decoder's Introduction

tron-tx-decoder

Installation

Initialization

Decode Input:

Output:

Decode Output:

Output:

Decode Revert Message (if any):

Output:

BigNumber

Contributing

Changelog

Licence

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