Questions tagged [verification]

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Endorsement Operation Signature verification using TzGO

I am trying to verify the endorsement operations of the endorsers in every blocks but I am unable to verify them. I took the details of the endorsement operation and reentered the details in ...
sha25652's user avatar
1 vote
1 answer
135 views

Why are formal proofs and verification important for smart contracts?

On the Ethereum blockchain, there is a lot of talk about formal proofs and verification of smart contracts. In particular, ERC20 tokens and various exchange contracts will mention that they are ...
MCH's user avatar
  • 680
1 vote
1 answer
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Smart contracts - get tz address from signature like ecrecover ethereum

I want to be able to verify that a signature is signed by a public key's address in my smart contract method on tezos. For example with solidity see: https://ethereum.stackexchange.com/questions/2171/...
jon's user avatar
  • 133
1 vote
1 answer
158 views

How to verify the manager.tz script code?

Since the protocol update to Babylon all KT1 accounts were replaced with smart contracts which contain the manager.tz script. Code: parameter (or (lambda %do unit (list operation)) (unit ...
XTZST2O's user avatar
  • 835
4 votes
1 answer
91 views

What's the easiest way for an account holder to verify/sign that they are the rightful owner of an account?

At times it might be important for users to verify the ownership of an account (tz1/KT1/etc) in order for applications to trust. However, this should not involve divulging of secret keys or any ...
Caleb's user avatar
  • 41
7 votes
1 answer
175 views

How to recover from "No space left on device" error?

The drive the node uses ran out of disk space. This resulted in a series of errors in a format similar to: Apr 16 01:58:36 - validator.block: Validation of block ...
Bake ꜩ for Me's user avatar
2 votes
1 answer
63 views

Baking and verification - comparison by computation amount needed

What is the relation between computation processing amount versus the processing amount on verification of the baking results? Why I ask this is that I am wondering is it really that baking is done ...
mico's user avatar
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11 votes
2 answers
245 views

Reentrancy attack vector on tezos smart contracts?

I heard that Michelson helps with avoiding re-entrancy bug. Why is that? Is there some feature in the language that prevent it?
Ezy's user avatar
  • 6,064
14 votes
2 answers
400 views

Formal verification of Tezos smart contracts

What are the analyses of Tezos smart contracts that could benefit dapps writers the most? Just to be clear, by “analysis” here I mean “static program analysis”. See for instance here. Basically the ...
Ezy's user avatar
  • 6,064