60 lines
1.5 KiB
Solidity
60 lines
1.5 KiB
Solidity
// contracts/GovernanceStructs.sol
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// SPDX-License-Identifier: Apache 2
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pragma solidity ^0.8.0;
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import "../libraries/external/BytesLib.sol";
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import "./ReceiverStructs.sol";
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contract ReceiverGovernanceStructs {
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using BytesLib for bytes;
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enum GovernanceAction {
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UpgradeContract,
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UpgradeGuardianset
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}
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struct GuardianSetUpgrade {
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bytes32 module;
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uint8 action;
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uint16 chain;
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ReceiverStructs.GuardianSet newGuardianSet;
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uint32 newGuardianSetIndex;
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}
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function parseGuardianSetUpgrade(bytes memory encodedUpgrade) public pure returns (GuardianSetUpgrade memory gsu) {
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uint index = 0;
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gsu.module = encodedUpgrade.toBytes32(index);
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index += 32;
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gsu.action = encodedUpgrade.toUint8(index);
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index += 1;
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require(gsu.action == 2, "invalid GuardianSetUpgrade");
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gsu.chain = encodedUpgrade.toUint16(index);
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index += 2;
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gsu.newGuardianSetIndex = encodedUpgrade.toUint32(index);
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index += 4;
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uint8 guardianLength = encodedUpgrade.toUint8(index);
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index += 1;
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gsu.newGuardianSet = ReceiverStructs.GuardianSet({
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keys : new address[](guardianLength),
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expirationTime : 0
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});
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for(uint i = 0; i < guardianLength; i++) {
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gsu.newGuardianSet.keys[i] = encodedUpgrade.toAddress(index);
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index += 20;
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}
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require(encodedUpgrade.length == index, "invalid GuardianSetUpgrade");
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}
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}
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