57 lines
1.7 KiB
Solidity
57 lines
1.7 KiB
Solidity
// contracts/Implementation.sol
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// SPDX-License-Identifier: Apache 2
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pragma solidity ^0.8.0;
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pragma experimental ABIEncoderV2;
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import "@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol";
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import "./Bridge.sol";
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contract BridgeImplementation is Bridge {
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// Beacon getter for the token contracts
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function implementation() public view returns (address) {
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return tokenImplementation();
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}
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function initialize() initializer public virtual {
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// this function needs to be exposed for an upgrade to pass
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uint8 finality;
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uint16 chain = chainId();
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// Wormhole chain ids explicitly enumerated
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if (chain == 2) { finality = 15; // ethereum
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} else if (chain == 4) { finality = 15; // bsc
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} else if (chain == 5) { finality = 15; // polygon
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} else if (chain == 6) { finality = 1; // avalanche
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} else if (chain == 7) { finality = 1; // oasis
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} else if (chain == 9) { finality = 1; // aurora
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} else if (chain == 10) { finality = 1; // fantom
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} else if (chain == 11) { finality = 1; // karura
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} else if (chain == 12) { finality = 1; // acala
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} else if (chain == 13) { finality = 1; // klaytn
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} else if (chain == 14) { finality = 1; // celo
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} else if (chain == 16) { finality = 1; // moonbeam
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} else if (chain == 17) { finality = 32; // neon
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} else {
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revert("Unknown chain id.");
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}
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setFinality(finality);
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}
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modifier initializer() {
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address impl = ERC1967Upgrade._getImplementation();
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require(
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!isInitialized(impl),
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"already initialized"
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);
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setInitialized(impl);
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_;
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}
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}
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