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eth-tx-summary

3.2.3 • 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> }

Keywords

none

install

npm i eth-tx-summary

Downloadsweekly downloads

1,839

version

3.2.3

license

ISC

repository

githubgithub

last publish

collaborators

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