feat: paloma bridge exit tax #1196
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maharifu
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- On receiving the transfer complete event we burn the total amount of tokens (transferred + taxed) @maharifu to be clear, we're not BURNING THE TOTAL AMOUNT OF TOKENS! RIGHT? RIGHT?!?!? |
taariq
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byte-bandit
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Jun 19, 2024
maharifu
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The amount transferred out of gravity is the intended amount minus the tax valus as set by governance vote.
CVE-2022-23772 was fixed in go 1.17.7 and backported to 1.16.14. We're using go 1.22, so it doesn't affect us.
The `skip-pkg-cache` and `skip-build-cache` options were removed in v5.
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Instead of subtracting from amount to transfer, we transfer the full amount and add the tax as a transfer cost to the user.
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Related Github tickets
Background
We're going to charge a tax fee for every transfer out of paloma. The tax rate is defined by governance vote and we can set exceptions to tokens and addresses.
Testing completed
Breaking changes