I'm looking for some methods to know the content of storage and memory while the contract is running.Mayba some useful tools or abi ?
By the way, the abi of geth, debug_writeMemProfile and debug_memStats, confuse me a lot. Are they helpful?
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you want to do from inside the contract or outside?– Badr Bellaj ♦Jul 18, 2018 at 7:39
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for reading stroage from outsi you can use web3.eth.getStorageAt(contractAddress, index) for memory i don't think it's possible to read from outsid its content. from inside you've already mload sload.– Badr Bellaj ♦Jul 18, 2018 at 7:40
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yes, web3.eth.getStorageAt() is what I want ! Thanks a lot.– KevinJul 19, 2018 at 6:51
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happy to help, i've reformulated the comment in an answer, if you find it helpfull you can accept it– Badr Bellaj ♦Jul 19, 2018 at 7:40
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1 Answer
for reading stroage from outsi you can use web3.eth.getStorageAt(contractAddress, index) for memory i don't think it's possible to read from outsid its content.
in web3js 1.0 documentation :
getStorageAt web3.eth.getStorageAt(address, position [, defaultBlock] [, callback]) Get the storage at a specific position of an address.
for example :
contractAddress = '0x123......'
for (index = 0; index < 10; index++){
console.log(`[${index}]` +
web3.eth.getStorageAt(contractAddress, index))
}
answered Jul 19, 2018 at 7:39
