eth-tx-summary

3.2.4 • Public • Published

eth-tx-summary

replay a historical tx using a web3 provider as a data source

generateTxSummary(provider, targetTx, function(err, summary){
  if (err) throw err
 
  summary.codePath.forEach(function(step, index){
    var stepNumber = index+1
    console.log(`[${stepNumber}${step.pc}${step.opcode.name}`)
  })
  console.log(summary.results)
 
})

outputs

[1] 0: PUSH1
[2] 2: PUSH1
[3] 4: MSTORE
[4] 5: CALLDATASIZE
[5] 6: ISZERO
[6] 7: PUSH2
[7] 10: JUMPI
[8] 11: PUSH1
[9] 13: PUSH1
[10] 15: EXP
[11] 16: PUSH1
[12] 18: CALLDATALOAD
[13] 19: DIV
...
[322] 3776: ISZERO
[323] 3777: PUSH2
[324] 3780: JUMPI
[325] 3781: PUSH2
[326] 3784: JUMP
{ gasUsed: <BN: 249f0>,
  createdAddress: undefined,
  vm: 
   { suicides: {},
     suicideTo: undefined,
     exception: 0,
     exceptionError: 'invalid JUMP',
     logs: [],
     gas: <BN: 1ef27>,
     return: <Buffer >,
     gasUsed: <BN: 1f598> },
  bloom: { bitvector: <Buffer 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ... > },
  amountSpent: <BN: b30e8870ae000> }

Readme

Keywords

none

Package Sidebar

Install

npm i eth-tx-summary

Weekly Downloads

44,427

Version

3.2.4

License

ISC

Unpacked Size

1.04 MB

Total Files

13

Last publish

Collaborators

  • kumavis