33 lines
1.0 KiB
Solidity
33 lines
1.0 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.7.6;
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pragma abicoder v2;
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import "tornado-core/contracts/ERC20Tornado.sol";
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contract ERC20TornadoCloneable is ERC20Tornado {
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constructor(address verifier, address hasher) ERC20Tornado(IVerifier(verifier), IHasher(hasher), 1, 1, IERC20(address(0))) {}
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function init(
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uint256 _denomination,
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uint32 _merkleTreeHeight,
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address _token
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) external {
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require(denomination == 0 && levels == 0, "already initialized");
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/// In Constructor: ERC20Tornado
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token = IERC20(_token);
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/// In Constructor: Tornado
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require(_denomination > 0, "denomination should be greater than 0");
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denomination = _denomination;
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/// In Constructor: MerkleTreeWithHistory
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require(_merkleTreeHeight > 0, "_levels should be greater than zero");
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require(_merkleTreeHeight < 32, "_levels should be less than 32");
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levels = _merkleTreeHeight;
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for (uint32 i = 0; i < _merkleTreeHeight; i++) {
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filledSubtrees[i] = zeros(i);
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}
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roots[0] = zeros(_merkleTreeHeight - 1);
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}
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}
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