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flashMint cleaning

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This commit is contained in:
Aleksander Kryukov
2022-03-23 19:12:16 +00:00
parent 8d9ab176d7
commit 8318470cca
1 changed files with 2 additions and 10 deletions
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12
certora/specs/ERC20FlashMint.spec
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@ -1,7 +1,7 @@
import "erc20.spec"
methods {
onFlashLoan(address, address, uint256, uint256, bytes) => HAVOC_ALL // HAVOC_ECF
onFlashLoan(address, address, uint256, uint256, bytes) => HAVOC_ALL
_burn(address account, uint256 amount) returns(bool) => specBurn(account, amount);
}
@ -13,19 +13,11 @@ function specBurn(address account, uint256 amount) returns bool { // retuns ne
return true;
}
// ghost to save args that were passed to burn function
// summarize burn
// assert ghost == amount + fee
// STATUS - in progress
// HAVOC_ALL - everything is havoced => violation
// HAVOC_ECF - verified
// https://vaas-stg.certora.com/output/3106/8795450b626f2ca53a2b/?anonymousKey=dd774da10cc595e4e38357af9e4f50bf2c0cb02a
// STATUS - verified
// fee + flashLoan amount is burned
rule letsWatchItBurns(env e){
address receiver; address token; uint256 amount; bytes data;
require amount > 0;
uint256 feeBefore = flashFee(e, token, amount);