Park Juhyung(Borre)

Executing term change block took too much time

2

In the Corgi network, executing term change block took too much time. I copied the log from a Corgi node. Blocks Verifier #1's log message. "Blocks Verifier #1" thread does...

Terminate gracefully

1

The current way of terminating Foundry is to drop all resources at the end of run_node function. Since we didn't care about the order of drop, sometimes Foundry panics in...

ACCEPTABLE_DRIFT_SECS is used to check timestamp in verification. allowed_time_gap is used to check timestamp in Tendermint. Let's use only one variable for them.

Do not read data from header chain

3

Header chain is not verified. Anyone could generate valid and high score header chain. We should not read data from the header chain. If we only use the Tendermint consensus,...

I found an error log that should not be printed. ``` block-propagation.ext sync Invalid header update state. best_hash: 0x7f06…2d5c, self.pivot.hash: 0x5abf…e26b, first_header_hash: 0xa959…1e89 Block #1858670 0x7f067a2e678cb72261061e6ead4cc046dc18ac46f2b166c8ab02a49b74e92d5c Block #1858664 0x5abfd2cf53b54bfc8bc87f38e57e2c7e4706befc71288ae0bea08bff0652e26b Block...

When CodeChain executes sign function, a private key may be exposed in memory. If we run the code in SGX, other programs cannot find the private key value in memory.

Here are the logs [link](https://drive.google.com/file/d/1uNH-A3MEWQddJgnprCVhhwLFgk0_FkOf/view?usp=sharing). The 2283242'th block is generated at 2019-07-30 10:37:49+09:00. The 2283241'th block is generated at 2019-07-30 10:37:25+09:00. The "m-eu-central-1-3" node couldn't collect all the precommits of...

CodeChain is a heavy class. I would like to use some helper functions of the CodeChain class in other test code, but CodeChain has too many functionalities and it is...

Can I use the same preparams to generate multiple keys?

3

I want to generate multiple keys in the same group. Regenerating pre-parameters every time requires too much time. Is it safe to reuse the pre-parameters?

### Description fix typo Merkel to Merkle ### Rationale ### Example ### Changes