It appears as though Ropsten still has a limit of 4.7m gas while mainnet is almost 8m. This makes testing for real-world dapps difficult.
Why is it that ropsten and mainnet are not in alignment with the block gas limit?
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2 Answers
Miners determine the block gas limit, so its not a fixed number. So it seems like miners running on Ropsten aren't changing the block gas limit. I believe the Rinkeby block gas limit is at ~7M, so perhaps you can try testing on there? Or you could using ganache-cli and manually set a block gas limit.
- 5Any idea why miners would choose to not mirror mainnet?Mike Shultz– Mike Shultz2018-04-06 17:56:38 +00:00Commented Apr 6, 2018 at 17:56
- @NicSzer Nope...Mike Shultz– Mike Shultz2018-07-27 22:53:28 +00:00Commented Jul 27, 2018 at 22:53
- I think it's just about incentives, a higher gas limit means miners would have to perform more computations in every block - which costs money.Paul Razvan Berg– Paul Razvan Berg2019-01-17 10:05:38 +00:00Commented Jan 17, 2019 at 10:05
I had the same issue around the same time of OP's question. Dani from Infura was kind enough to point me at the Ropsten's Gitter channel --
https://gitter.im/ethereum/ropsten
To my delight, soon after I chatted it in Gitter -- of course it could just be a pure coincidence -- Ropsten gas limit was raised to 7M, until it came down to 4.7M a few days ago.
So the point of the story is: Ropsten is still very opaque and unpredictable.
- April 2019: gas limit seems to now be set to 8M.Paul Razvan Berg– Paul Razvan Berg2019-04-17 09:27:41 +00:00Commented Apr 17, 2019 at 9:27