Small fee should be applied for oracle transactions #1214
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robert-zaremba
changed the title
This was referenced Aug 31, 2022
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Thinking more about it... Even if we enforce a small fee then this won't prevent accessing a state for free (because this is happening in CheckTx phase - so before we can charge any fee). |
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## Description Closes: #1214 This is a "v1" solution for requiring min-gas price. More flexible mechanism ([#1017](#1017)) we will develop for v4 (or v5). Notes: + added `fee-notes.md` files with stats for the fees. --- ### Author Checklist _All items are required. Please add a note to the item if the item is not applicable and please add links to any relevant follow up issues._ I have... - [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] added `!` to the type prefix if API or client breaking change - [ ] added appropriate labels to the PR - [ ] targeted the correct branch (see [PR Targeting](https://github.com/umee-network/umee/blob/main/CONTRIBUTING.md#pr-targeting)) - [ ] provided a link to the relevant issue or specification - [ ] added a changelog entry to `CHANGELOG.md` - [ ] included comments for [documenting Go code](https://blog.golang.org/godoc) - [ ] updated the relevant documentation or specification - [ ] reviewed "Files changed" and left comments if necessary - [ ] confirmed all CI checks have passed ### Reviewers Checklist _All items are required. Please add a note if the item is not applicable and please add your handle next to the items reviewed if you only reviewed selected items._ I have... - [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] confirmed all author checklist items have been addressed - [ ] reviewed state machine logic - [ ] reviewed API design and naming - [ ] reviewed documentation is accurate - [ ] reviewed tests and test coverage - [ ] manually tested (if applicable)
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Summary
Add static fee limit for price transactions.
Nice to have for v3, can be pushed back to v4.
Problem Definition
Today, the oracle price transactions can be provided for free as long as the gas per message is in the
MaxOracleMsgGasUsagelimit.Proposal
For keeping the process more sustainable we need to add additional fee mechanism, with a lower limit than #1017
Might be 0.001umee per message. For reference, bank send tx cost about 0.005-0.01umee, and price feed transaction is a bit more resource intensive.
For Admin Use
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