support callback for xtoken receive or rollback #56
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hujw77
reviewed
Mar 19, 2024
xiaoch05
commented
Mar 19, 2024
xiaoch05
commented
Mar 19, 2024
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mapping-token => xToken |
xiaoch05
commented
Mar 19, 2024
xiaoch05
commented
Mar 19, 2024
helix-contract/contracts/mapping-token/v3/interfaces/IxTokenBacking.sol
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xiaoch05
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Mar 19, 2024
xiaoch05
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Mar 19, 2024
| } else { | ||
| uint allowance = IERC20(_token).allowance(address(this), _guard); | ||
| require(IERC20(_token).approve(_guard, allowance + _amount), "Backing:approve token transfer to guard failed"); | ||
| IGuard(_guard).deposit(uint256(_transferId), _token, _recipient, _amount); | ||
| IGuardV3(_guard).deposit(uint256(_transferId), _token, _recipient, _amount, _extData); | ||
| } | ||
| } | ||
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is it possiable to use the same callback for native and erc20 token
xiaoch05
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Mar 19, 2024
helix-contract/contracts/mapping-token/v3/base/xTokenBridgeBase.sol
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change native token to wtoken |
xiaoch05
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xiaoch05
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