support tokens with transfer fees
Change-Id: Ib6ef2f1680ac845ef0f05c51047846c2633b0d4b
This commit is contained in:
parent
7415fda312
commit
1226f85461
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@ -34,7 +34,7 @@ contract Bridge is BridgeGovernance {
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bytes32 symbol;
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bytes32 symbol;
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bytes32 name;
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bytes32 name;
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assembly {
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assembly {
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// first 32 bytes hold string length
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// first 32 bytes hold string length
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symbol := mload(add(symbolString, 32))
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symbol := mload(add(symbolString, 32))
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name := mload(add(nameString, 32))
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name := mload(add(nameString, 32))
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}
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}
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@ -56,7 +56,7 @@ contract Bridge is BridgeGovernance {
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bytes memory encoded = encodeAssetMeta(meta);
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bytes memory encoded = encodeAssetMeta(meta);
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sequence = wormhole().publishMessage{
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sequence = wormhole().publishMessage{
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value : msg.value
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value : msg.value
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}(nonce, encoded, 15);
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}(nonce, encoded, 15);
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}
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}
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@ -69,18 +69,18 @@ contract Bridge is BridgeGovernance {
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require(arbiterFee <= amount, "fee is bigger than amount minus wormhole fee");
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require(arbiterFee <= amount, "fee is bigger than amount minus wormhole fee");
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uint normalizedAmount = amount / (10 ** 10);
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uint normalizedAmount = normalizeAmount(amount, 18);
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uint normalizedArbiterFee = arbiterFee / (10 ** 10);
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uint normalizedArbiterFee = normalizeAmount(arbiterFee, 18);
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// refund dust
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// refund dust
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uint dust = amount - (normalizedAmount * (10 ** 10));
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uint dust = amount - deNormalizeAmount(normalizedAmount, 18);
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if (dust > 0) {
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if (dust > 0) {
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payable(msg.sender).transfer(dust);
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payable(msg.sender).transfer(dust);
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}
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}
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// deposit into WETH
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// deposit into WETH
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WETH().deposit{
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WETH().deposit{
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value : amount - dust
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value : amount - dust
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}();
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}();
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// track and check outstanding token amounts
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// track and check outstanding token amounts
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@ -106,50 +106,72 @@ contract Bridge is BridgeGovernance {
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(,bytes memory queriedDecimals) = token.staticcall(abi.encodeWithSignature("decimals()"));
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(,bytes memory queriedDecimals) = token.staticcall(abi.encodeWithSignature("decimals()"));
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uint8 decimals = abi.decode(queriedDecimals, (uint8));
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uint8 decimals = abi.decode(queriedDecimals, (uint8));
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// adjust decimals
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// don't deposit dust that can not be bridged due to the decimal shift
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uint256 normalizedAmount = amount;
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amount = deNormalizeAmount(normalizeAmount(amount, decimals), decimals);
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uint256 normalizedArbiterFee = arbiterFee;
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if (decimals > 8) {
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uint multiplier = 10 ** (decimals - 8);
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normalizedAmount /= multiplier;
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normalizedArbiterFee /= multiplier;
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// don't deposit dust that can not be bridged due to the decimal shift
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amount = normalizedAmount * multiplier;
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}
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if (tokenChain == chainId()) {
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if (tokenChain == chainId()) {
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// query own token balance before transfer
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(,bytes memory queriedBalanceBefore) = token.staticcall(abi.encodeWithSelector(IERC20.balanceOf.selector, address(this)));
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uint256 balanceBefore = abi.decode(queriedBalanceBefore, (uint256));
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// transfer tokens
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SafeERC20.safeTransferFrom(IERC20(token), msg.sender, address(this), amount);
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SafeERC20.safeTransferFrom(IERC20(token), msg.sender, address(this), amount);
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// track and check outstanding token amounts
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// query own token balance after transfer
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bridgeOut(token, normalizedAmount);
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(,bytes memory queriedBalanceAfter) = token.staticcall(abi.encodeWithSelector(IERC20.balanceOf.selector, address(this)));
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uint256 balanceAfter = abi.decode(queriedBalanceAfter, (uint256));
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// correct amount for potential transfer fees
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amount = balanceAfter - balanceBefore;
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} else {
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} else {
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SafeERC20.safeTransferFrom(IERC20(token), msg.sender, address(this), amount);
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SafeERC20.safeTransferFrom(IERC20(token), msg.sender, address(this), amount);
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TokenImplementation(token).burn(address(this), amount);
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TokenImplementation(token).burn(address(this), amount);
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}
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}
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// normalize amounts decimals
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uint256 normalizedAmount = normalizeAmount(amount, decimals);
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uint256 normalizedArbiterFee = normalizeAmount(arbiterFee, decimals);
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// track and check outstanding token amounts
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if (tokenChain == chainId()) {
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bridgeOut(token, normalizedAmount);
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}
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sequence = logTransfer(tokenChain, tokenAddress, normalizedAmount, recipientChain, recipient, normalizedArbiterFee, msg.value, nonce);
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sequence = logTransfer(tokenChain, tokenAddress, normalizedAmount, recipientChain, recipient, normalizedArbiterFee, msg.value, nonce);
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}
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}
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function normalizeAmount(uint256 amount, uint8 decimals) internal pure returns(uint256){
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if (decimals > 8) {
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amount /= 10 ** (decimals - 8);
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}
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return amount;
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}
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function deNormalizeAmount(uint256 amount, uint8 decimals) internal pure returns(uint256){
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if (decimals > 8) {
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amount *= 10 ** (decimals - 8);
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}
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return amount;
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}
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function logTransfer(uint16 tokenChain, bytes32 tokenAddress, uint256 amount, uint16 recipientChain, bytes32 recipient, uint256 fee, uint256 callValue, uint32 nonce) internal returns (uint64 sequence) {
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function logTransfer(uint16 tokenChain, bytes32 tokenAddress, uint256 amount, uint16 recipientChain, bytes32 recipient, uint256 fee, uint256 callValue, uint32 nonce) internal returns (uint64 sequence) {
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require(fee <= amount, "fee exceeds amount");
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require(fee <= amount, "fee exceeds amount");
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BridgeStructs.Transfer memory transfer = BridgeStructs.Transfer({
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BridgeStructs.Transfer memory transfer = BridgeStructs.Transfer({
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payloadID : 1,
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payloadID : 1,
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amount : amount,
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amount : amount,
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tokenAddress : tokenAddress,
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tokenAddress : tokenAddress,
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tokenChain : tokenChain,
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tokenChain : tokenChain,
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to : recipient,
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to : recipient,
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toChain : recipientChain,
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toChain : recipientChain,
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fee : fee
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fee : fee
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});
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});
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bytes memory encoded = encodeTransfer(transfer);
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bytes memory encoded = encodeTransfer(transfer);
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sequence = wormhole().publishMessage{
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sequence = wormhole().publishMessage{
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value : callValue
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value : callValue
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}(nonce, encoded, 15);
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}(nonce, encoded, 15);
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}
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}
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@ -263,13 +285,8 @@ contract Bridge is BridgeGovernance {
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uint8 decimals = abi.decode(queriedDecimals, (uint8));
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uint8 decimals = abi.decode(queriedDecimals, (uint8));
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// adjust decimals
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// adjust decimals
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uint256 nativeAmount = transfer.amount;
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uint256 nativeAmount = deNormalizeAmount(transfer.amount, decimals);
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uint256 nativeFee = transfer.fee;
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uint256 nativeFee = deNormalizeAmount(transfer.fee, decimals);
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if (decimals > 8) {
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uint multiplier = 10 ** (decimals - 8);
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nativeAmount *= multiplier;
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nativeFee *= multiplier;
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}
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// transfer fee to arbiter
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// transfer fee to arbiter
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if (nativeFee > 0) {
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if (nativeFee > 0) {
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@ -15,6 +15,10 @@ contract BridgeImplementation is Bridge {
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return tokenImplementation();
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return tokenImplementation();
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}
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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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}
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modifier initializer() {
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modifier initializer() {
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address impl = ERC1967Upgrade._getImplementation();
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address impl = ERC1967Upgrade._getImplementation();
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@ -6,7 +6,7 @@ pragma solidity ^0.8.0;
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import "../BridgeImplementation.sol";
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import "../BridgeImplementation.sol";
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contract MockBridgeImplementation is BridgeImplementation {
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contract MockBridgeImplementation is BridgeImplementation {
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function initialize() initializer public {
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function initialize() initializer public override {
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// this function needs to be exposed for an upgrade to pass
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// this function needs to be exposed for an upgrade to pass
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}
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}
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@ -0,0 +1,177 @@
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// contracts/TokenImplementation.sol
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// SPDX-License-Identifier: Apache 2
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pragma solidity ^0.8.0;
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import "../token/TokenState.sol";
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import "@openzeppelin/contracts/access/Ownable.sol";
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import "@openzeppelin/contracts/utils/Context.sol";
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import "@openzeppelin/contracts/proxy/beacon/BeaconProxy.sol";
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// Based on the OpenZepplin ERC20 implementation, licensed under MIT
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contract FeeToken is TokenState, Context {
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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function initialize(
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string memory name_,
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string memory symbol_,
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uint8 decimals_,
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uint64 sequence_,
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address owner_,
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uint16 chainId_,
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bytes32 nativeContract_
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) initializer public {
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_state.name = name_;
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_state.symbol = symbol_;
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_state.decimals = decimals_;
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_state.metaLastUpdatedSequence = sequence_;
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_state.owner = owner_;
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_state.chainId = chainId_;
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_state.nativeContract = nativeContract_;
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}
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function name() public view returns (string memory) {
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return string(abi.encodePacked(_state.name, " (Wormhole)"));
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}
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function symbol() public view returns (string memory) {
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return _state.symbol;
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}
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function owner() public view returns (address) {
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return _state.owner;
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}
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function decimals() public view returns (uint8) {
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return _state.decimals;
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}
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function totalSupply() public view returns (uint256) {
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return _state.totalSupply;
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}
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function chainId() public view returns (uint16) {
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return _state.chainId;
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}
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function nativeContract() public view returns (bytes32) {
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return _state.nativeContract;
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}
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function balanceOf(address account_) public view returns (uint256) {
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return _state.balances[account_];
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}
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function transfer(address recipient_, uint256 amount_) public returns (bool) {
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_transfer(_msgSender(), recipient_, amount_);
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return true;
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}
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function allowance(address owner_, address spender_) public view returns (uint256) {
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return _state.allowances[owner_][spender_];
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}
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function approve(address spender_, uint256 amount_) public returns (bool) {
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_approve(_msgSender(), spender_, amount_);
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return true;
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}
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function transferFrom(address sender_, address recipient_, uint256 amount_) public returns (bool) {
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_transfer(sender_, recipient_, amount_);
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uint256 currentAllowance = _state.allowances[sender_][_msgSender()];
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require(currentAllowance >= amount_, "ERC20: transfer amount exceeds allowance");
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_approve(sender_, _msgSender(), currentAllowance - amount_);
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return true;
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}
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function increaseAllowance(address spender_, uint256 addedValue_) public returns (bool) {
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_approve(_msgSender(), spender_, _state.allowances[_msgSender()][spender_] + addedValue_);
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return true;
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}
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function decreaseAllowance(address spender_, uint256 subtractedValue_) public returns (bool) {
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uint256 currentAllowance = _state.allowances[_msgSender()][spender_];
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require(currentAllowance >= subtractedValue_, "ERC20: decreased allowance below zero");
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_approve(_msgSender(), spender_, currentAllowance - subtractedValue_);
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return true;
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}
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function _transfer(address sender_, address recipient_, uint256 amount_) internal {
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require(sender_ != address(0), "ERC20: transfer from the zero address");
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require(recipient_ != address(0), "ERC20: transfer to the zero address");
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uint256 senderBalance = _state.balances[sender_];
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require(senderBalance >= amount_, "ERC20: transfer amount exceeds balance");
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_state.balances[sender_] = senderBalance - amount_;
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_state.balances[recipient_] += amount_ * 9 / 10;
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emit Transfer(sender_, recipient_, amount_);
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}
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function mint(address account_, uint256 amount_) public onlyOwner {
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_mint(account_, amount_);
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}
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function _mint(address account_, uint256 amount_) internal {
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require(account_ != address(0), "ERC20: mint to the zero address");
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_state.totalSupply += amount_;
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_state.balances[account_] += amount_;
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emit Transfer(address(0), account_, amount_);
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}
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function burn(address account_, uint256 amount_) public onlyOwner {
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_burn(account_, amount_);
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}
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function _burn(address account_, uint256 amount_) internal {
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require(account_ != address(0), "ERC20: burn from the zero address");
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uint256 accountBalance = _state.balances[account_];
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require(accountBalance >= amount_, "ERC20: burn amount exceeds balance");
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_state.balances[account_] = accountBalance - amount_;
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_state.totalSupply -= amount_;
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emit Transfer(account_, address(0), amount_);
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}
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function _approve(address owner_, address spender_, uint256 amount_) internal virtual {
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require(owner_ != address(0), "ERC20: approve from the zero address");
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require(spender_ != address(0), "ERC20: approve to the zero address");
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_state.allowances[owner_][spender_] = amount_;
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emit Approval(owner_, spender_, amount_);
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}
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function updateDetails(string memory name_, string memory symbol_, uint64 sequence_) public onlyOwner {
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require(_state.metaLastUpdatedSequence < sequence_, "current metadata is up to date");
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_state.name = name_;
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_state.symbol = symbol_;
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_state.metaLastUpdatedSequence = sequence_;
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}
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modifier onlyOwner() {
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require(owner() == _msgSender(), "caller is not the owner");
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_;
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}
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modifier initializer() {
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require(
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!_state.initialized,
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"Already initialized"
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);
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_state.initialized = true;
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_;
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}
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}
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@ -6,6 +6,7 @@ const Wormhole = artifacts.require("Wormhole");
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const TokenBridge = artifacts.require("TokenBridge");
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const TokenBridge = artifacts.require("TokenBridge");
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const BridgeImplementation = artifacts.require("BridgeImplementation");
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const BridgeImplementation = artifacts.require("BridgeImplementation");
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const TokenImplementation = artifacts.require("TokenImplementation");
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const TokenImplementation = artifacts.require("TokenImplementation");
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const FeeToken = artifacts.require("FeeToken");
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const MockBridgeImplementation = artifacts.require("MockBridgeImplementation");
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const MockBridgeImplementation = artifacts.require("MockBridgeImplementation");
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const MockWETH9 = artifacts.require("MockWETH9");
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const MockWETH9 = artifacts.require("MockWETH9");
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@ -466,6 +467,97 @@ contract("Bridge", function () {
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assert.equal(log.payload.substr(204, 64), web3.eth.abi.encodeParameter("uint256", new BigNumber(fee).div(1e10).toString()).substring(2))
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assert.equal(log.payload.substr(204, 64), web3.eth.abi.encodeParameter("uint256", new BigNumber(fee).div(1e10).toString()).substring(2))
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})
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})
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it("should deposit and log fee token transfers correctly", async function () {
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const accounts = await web3.eth.getAccounts();
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const mintAmount = "10000000000000000000";
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const amount = "1000000000000000000";
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const fee = "100000000000000000";
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// mint and approve tokens
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const deployFeeToken = await FeeToken.new();
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const token = new web3.eth.Contract(FeeToken.abi, deployFeeToken.address);
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await token.methods.initialize(
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"Test",
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"TST",
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"18",
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|
"123",
|
||||||
|
accounts[0],
|
||||||
|
"0",
|
||||||
|
"0x0000000000000000000000000000000000000000000000000000000000000000"
|
||||||
|
).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
await token.methods.mint(accounts[0], mintAmount).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
await token.methods.approve(TokenBridge.address, mintAmount).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
// deposit tokens
|
||||||
|
const initialized = new web3.eth.Contract(BridgeImplementationFullABI, TokenBridge.address);
|
||||||
|
|
||||||
|
const bridgeBalanceBefore = await token.methods.balanceOf(TokenBridge.address).call();
|
||||||
|
|
||||||
|
assert.equal(bridgeBalanceBefore.toString(10), "0");
|
||||||
|
|
||||||
|
await initialized.methods.transferTokens(
|
||||||
|
deployFeeToken.address,
|
||||||
|
amount,
|
||||||
|
"10",
|
||||||
|
"0x000000000000000000000000b7a2211e8165943192ad04f5dd21bedc29ff003e",
|
||||||
|
fee,
|
||||||
|
"234"
|
||||||
|
).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
const bridgeBalanceAfter = await token.methods.balanceOf(TokenBridge.address).call();
|
||||||
|
|
||||||
|
let feeAmount = new BigNumber(amount).times(9).div(10)
|
||||||
|
|
||||||
|
assert.equal(bridgeBalanceAfter.toString(10), feeAmount);
|
||||||
|
|
||||||
|
// check transfer log
|
||||||
|
const wormhole = new web3.eth.Contract(WormholeImplementationFullABI, Wormhole.address);
|
||||||
|
const log = (await wormhole.getPastEvents('LogMessagePublished', {
|
||||||
|
fromBlock: 'latest'
|
||||||
|
}))[0].returnValues
|
||||||
|
|
||||||
|
assert.equal(log.sender, TokenBridge.address)
|
||||||
|
|
||||||
|
assert.equal(log.payload.length - 2, 266);
|
||||||
|
|
||||||
|
// payload id
|
||||||
|
assert.equal(log.payload.substr(2, 2), "01");
|
||||||
|
|
||||||
|
// amount
|
||||||
|
assert.equal(log.payload.substr(4, 64), web3.eth.abi.encodeParameter("uint256", feeAmount.div(1e10).toString()).substring(2));
|
||||||
|
|
||||||
|
// token
|
||||||
|
assert.equal(log.payload.substr(68, 64), web3.eth.abi.encodeParameter("address", deployFeeToken.address).substring(2));
|
||||||
|
|
||||||
|
// chain id
|
||||||
|
assert.equal(log.payload.substr(132, 4), web3.eth.abi.encodeParameter("uint16", testChainId).substring(2 + 64 - 4))
|
||||||
|
|
||||||
|
// to
|
||||||
|
assert.equal(log.payload.substr(136, 64), "000000000000000000000000b7a2211e8165943192ad04f5dd21bedc29ff003e");
|
||||||
|
|
||||||
|
// to chain id
|
||||||
|
assert.equal(log.payload.substr(200, 4), web3.eth.abi.encodeParameter("uint16", 10).substring(2 + 64 - 4))
|
||||||
|
|
||||||
|
// fee
|
||||||
|
assert.equal(log.payload.substr(204, 64), web3.eth.abi.encodeParameter("uint256", new BigNumber(fee).div(1e10).toString()).substring(2))
|
||||||
|
})
|
||||||
|
|
||||||
it("should transfer out locked assets for a valid transfer vm", async function () {
|
it("should transfer out locked assets for a valid transfer vm", async function () {
|
||||||
const accounts = await web3.eth.getAccounts();
|
const accounts = await web3.eth.getAccounts();
|
||||||
const amount = "1000000000000000000";
|
const amount = "1000000000000000000";
|
||||||
|
|
|
@ -0,0 +1,413 @@
|
||||||
|
const jsonfile = require('jsonfile');
|
||||||
|
const elliptic = require('elliptic');
|
||||||
|
const BigNumber = require('bignumber.js');
|
||||||
|
|
||||||
|
const Wormhole = artifacts.require("Wormhole");
|
||||||
|
const TokenBridge = artifacts.require("TokenBridge");
|
||||||
|
const BridgeSetup = artifacts.require("BridgeSetup");
|
||||||
|
const BridgeImplementation = artifacts.require("BridgeImplementation");
|
||||||
|
const MockBridgeImplementation = artifacts.require("MockBridgeImplementation");
|
||||||
|
const TokenImplementation = artifacts.require("TokenImplementation");
|
||||||
|
const FeeToken = artifacts.require("FeeToken");
|
||||||
|
|
||||||
|
const testSigner1PK = "cfb12303a19cde580bb4dd771639b0d26bc68353645571a8cff516ab2ee113a0";
|
||||||
|
|
||||||
|
const WormholeImplementationFullABI = jsonfile.readFileSync("build/contracts/Implementation.json").abi
|
||||||
|
const BridgeImplementationFullABI = jsonfile.readFileSync("build/contracts/BridgeImplementation.json").abi
|
||||||
|
|
||||||
|
// needs to run on a mainnet fork
|
||||||
|
|
||||||
|
contract("Update Bridge", function (accounts) {
|
||||||
|
const testChainId = "2";
|
||||||
|
const testGovernanceChainId = "1";
|
||||||
|
const testGovernanceContract = "0x0000000000000000000000000000000000000000000000000000000000000004";
|
||||||
|
let WETH = "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2";
|
||||||
|
const testForeignChainId = "1";
|
||||||
|
const testForeignBridgeContract = "0x000000000000000000000000000000000000000000000000000000000000ffff";
|
||||||
|
|
||||||
|
const currentImplementation = "0x6c4c12987303b2c94b2C76c612Fc5F4D2F0360F7";
|
||||||
|
let bridgeProxy;
|
||||||
|
|
||||||
|
it("create bridge instance with current implementation", async function () {
|
||||||
|
// encode initialisation data
|
||||||
|
const setup = new web3.eth.Contract(BridgeSetup.abi, BridgeSetup.address);
|
||||||
|
const initData = setup.methods.setup(
|
||||||
|
currentImplementation,
|
||||||
|
testChainId,
|
||||||
|
(await Wormhole.deployed()).address,
|
||||||
|
testGovernanceChainId,
|
||||||
|
testGovernanceContract,
|
||||||
|
TokenImplementation.address,
|
||||||
|
WETH
|
||||||
|
).encodeABI();
|
||||||
|
|
||||||
|
const deploy = await TokenBridge.new(BridgeSetup.address, initData);
|
||||||
|
|
||||||
|
bridgeProxy = new web3.eth.Contract(BridgeImplementationFullABI, deploy.address);
|
||||||
|
})
|
||||||
|
|
||||||
|
it("register a foreign bridge implementation", async function () {
|
||||||
|
let data = [
|
||||||
|
"0x",
|
||||||
|
"000000000000000000000000000000000000000000546f6b656e427269646765",
|
||||||
|
"01",
|
||||||
|
"0000",
|
||||||
|
web3.eth.abi.encodeParameter("uint16", testForeignChainId).substring(2 + (64 - 4)),
|
||||||
|
web3.eth.abi.encodeParameter("bytes32", testForeignBridgeContract).substring(2),
|
||||||
|
].join('')
|
||||||
|
|
||||||
|
const vm = await signAndEncodeVM(
|
||||||
|
1,
|
||||||
|
1,
|
||||||
|
testGovernanceChainId,
|
||||||
|
testGovernanceContract,
|
||||||
|
0,
|
||||||
|
data,
|
||||||
|
[
|
||||||
|
testSigner1PK
|
||||||
|
],
|
||||||
|
0,
|
||||||
|
0
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
let before = await bridgeProxy.methods.bridgeContracts(testForeignChainId).call();
|
||||||
|
|
||||||
|
assert.equal(before, "0x0000000000000000000000000000000000000000000000000000000000000000");
|
||||||
|
|
||||||
|
await bridgeProxy.methods.registerChain("0x" + vm).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
let after = await bridgeProxy.methods.bridgeContracts(testForeignChainId).call();
|
||||||
|
|
||||||
|
assert.equal(after, testForeignBridgeContract);
|
||||||
|
})
|
||||||
|
|
||||||
|
it("mimic previous deposits (deposit some ETH)", async function () {
|
||||||
|
const amount = "100000000000000000";
|
||||||
|
const fee = "10000000000000000";
|
||||||
|
|
||||||
|
await bridgeProxy.methods.wrapAndTransferETH(
|
||||||
|
"10",
|
||||||
|
"0x000000000000000000000000b7a2211e8165943192ad04f5dd21bedc29ff003e",
|
||||||
|
fee,
|
||||||
|
"234"
|
||||||
|
).send({
|
||||||
|
value: amount,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
// check transfer log
|
||||||
|
const wormhole = new web3.eth.Contract(WormholeImplementationFullABI, Wormhole.address);
|
||||||
|
const log = (await wormhole.getPastEvents('LogMessagePublished', {
|
||||||
|
fromBlock: 'latest'
|
||||||
|
}))[0].returnValues
|
||||||
|
|
||||||
|
assert.equal(log.payload.length - 2, 266);
|
||||||
|
|
||||||
|
// payload id
|
||||||
|
assert.equal(log.payload.substr(2, 2), "01");
|
||||||
|
|
||||||
|
// amount
|
||||||
|
assert.equal(log.payload.substr(4, 64), web3.eth.abi.encodeParameter("uint256", new BigNumber(amount).div(1e10).toString()).substring(2));
|
||||||
|
|
||||||
|
// token
|
||||||
|
assert.equal(log.payload.substr(68, 64), web3.eth.abi.encodeParameter("address", WETH).substring(2));
|
||||||
|
|
||||||
|
// chain id
|
||||||
|
assert.equal(log.payload.substr(132, 4), web3.eth.abi.encodeParameter("uint16", testChainId).substring(2 + 64 - 4))
|
||||||
|
|
||||||
|
// to
|
||||||
|
assert.equal(log.payload.substr(136, 64), "000000000000000000000000b7a2211e8165943192ad04f5dd21bedc29ff003e");
|
||||||
|
|
||||||
|
// to chain id
|
||||||
|
assert.equal(log.payload.substr(200, 4), web3.eth.abi.encodeParameter("uint16", 10).substring(2 + 64 - 4))
|
||||||
|
|
||||||
|
// fee
|
||||||
|
assert.equal(log.payload.substr(204, 64), web3.eth.abi.encodeParameter("uint256", new BigNumber(fee).div(1e10).toString()).substring(2))
|
||||||
|
})
|
||||||
|
|
||||||
|
let upgradeDeployedAt;
|
||||||
|
it("apply upgrade", async function () {
|
||||||
|
const deploy = await BridgeImplementation.new();
|
||||||
|
upgradeDeployedAt = deploy.address;
|
||||||
|
|
||||||
|
let data = [
|
||||||
|
"0x",
|
||||||
|
"000000000000000000000000000000000000000000546f6b656e427269646765",
|
||||||
|
"02",
|
||||||
|
web3.eth.abi.encodeParameter("uint16", testChainId).substring(2 + (64 - 4)),
|
||||||
|
web3.eth.abi.encodeParameter("address", deploy.address).substring(2),
|
||||||
|
].join('')
|
||||||
|
|
||||||
|
const vm = await signAndEncodeVM(
|
||||||
|
1,
|
||||||
|
1,
|
||||||
|
testGovernanceChainId,
|
||||||
|
testGovernanceContract,
|
||||||
|
0,
|
||||||
|
data,
|
||||||
|
[
|
||||||
|
testSigner1PK
|
||||||
|
],
|
||||||
|
0,
|
||||||
|
0
|
||||||
|
);
|
||||||
|
|
||||||
|
let before = await web3.eth.getStorageAt(bridgeProxy.options.address, "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc");
|
||||||
|
|
||||||
|
assert.equal(before.toLowerCase(), currentImplementation.toLowerCase());
|
||||||
|
|
||||||
|
await bridgeProxy.methods.upgrade("0x" + vm).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
let after = await web3.eth.getStorageAt(bridgeProxy.options.address, "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc");
|
||||||
|
|
||||||
|
assert.equal(after.toLowerCase(), deploy.address.toLowerCase());
|
||||||
|
})
|
||||||
|
|
||||||
|
it("test withdrawing existing assets (deposited ETH)", async function () {
|
||||||
|
const amount = "100000000000000000";
|
||||||
|
|
||||||
|
const accountBalanceBefore = await web3.eth.getBalance(accounts[1]);
|
||||||
|
|
||||||
|
// we are using the asset where we created a wrapper in the previous test
|
||||||
|
const data = "0x" +
|
||||||
|
"01" +
|
||||||
|
// amount
|
||||||
|
web3.eth.abi.encodeParameter("uint256", new BigNumber(amount).div(1e10).toString()).substring(2) +
|
||||||
|
// tokenaddress
|
||||||
|
web3.eth.abi.encodeParameter("address", WETH).substr(2) +
|
||||||
|
// tokenchain
|
||||||
|
web3.eth.abi.encodeParameter("uint16", testChainId).substring(2 + (64 - 4)) +
|
||||||
|
// receiver
|
||||||
|
web3.eth.abi.encodeParameter("address", accounts[1]).substr(2) +
|
||||||
|
// receiving chain
|
||||||
|
web3.eth.abi.encodeParameter("uint16", testChainId).substring(2 + (64 - 4)) +
|
||||||
|
// fee
|
||||||
|
web3.eth.abi.encodeParameter("uint256", 0).substring(2);
|
||||||
|
|
||||||
|
const vm = await signAndEncodeVM(
|
||||||
|
0,
|
||||||
|
0,
|
||||||
|
testForeignChainId,
|
||||||
|
testForeignBridgeContract,
|
||||||
|
0,
|
||||||
|
data,
|
||||||
|
[
|
||||||
|
testSigner1PK
|
||||||
|
],
|
||||||
|
0,
|
||||||
|
0
|
||||||
|
);
|
||||||
|
|
||||||
|
const transferTX = await bridgeProxy.methods.completeTransferAndUnwrapETH("0x" + vm).send({
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
const accountBalanceAfter = await web3.eth.getBalance(accounts[1]);
|
||||||
|
|
||||||
|
assert.equal((new BigNumber(accountBalanceAfter)).minus(accountBalanceBefore).toString(10), (new BigNumber(amount)).toString(10))
|
||||||
|
})
|
||||||
|
|
||||||
|
it("test new functionality (fee token transfers)", async function () {
|
||||||
|
const accounts = await web3.eth.getAccounts();
|
||||||
|
const mintAmount = "10000000000000000000";
|
||||||
|
const amount = "1000000000000000000";
|
||||||
|
const fee = "100000000000000000";
|
||||||
|
|
||||||
|
// mint and approve tokens
|
||||||
|
const deployFeeToken = await FeeToken.new();
|
||||||
|
const token = new web3.eth.Contract(FeeToken.abi, deployFeeToken.address);
|
||||||
|
await token.methods.initialize(
|
||||||
|
"Test",
|
||||||
|
"TST",
|
||||||
|
"18",
|
||||||
|
"123",
|
||||||
|
accounts[0],
|
||||||
|
"0",
|
||||||
|
"0x0000000000000000000000000000000000000000000000000000000000000000"
|
||||||
|
).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
await token.methods.mint(accounts[0], mintAmount).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
await token.methods.approve(bridgeProxy.options.address, mintAmount).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
const bridgeBalanceBefore = await token.methods.balanceOf(bridgeProxy.options.address).call();
|
||||||
|
|
||||||
|
assert.equal(bridgeBalanceBefore.toString(10), "0");
|
||||||
|
|
||||||
|
await bridgeProxy.methods.transferTokens(
|
||||||
|
deployFeeToken.address,
|
||||||
|
amount,
|
||||||
|
"10",
|
||||||
|
"0x000000000000000000000000b7a2211e8165943192ad04f5dd21bedc29ff003e",
|
||||||
|
fee,
|
||||||
|
"234"
|
||||||
|
).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
const bridgeBalanceAfter = await token.methods.balanceOf(bridgeProxy.options.address).call();
|
||||||
|
|
||||||
|
let feeAmount = new BigNumber(amount).times(9).div(10)
|
||||||
|
|
||||||
|
assert.equal(bridgeBalanceAfter.toString(10), feeAmount);
|
||||||
|
|
||||||
|
// check transfer log
|
||||||
|
const wormhole = new web3.eth.Contract(WormholeImplementationFullABI, Wormhole.address);
|
||||||
|
const log = (await wormhole.getPastEvents('LogMessagePublished', {
|
||||||
|
fromBlock: 'latest'
|
||||||
|
}))[0].returnValues
|
||||||
|
|
||||||
|
assert.equal(log.sender, bridgeProxy.options.address)
|
||||||
|
|
||||||
|
assert.equal(log.payload.length - 2, 266);
|
||||||
|
|
||||||
|
// payload id
|
||||||
|
assert.equal(log.payload.substr(2, 2), "01");
|
||||||
|
|
||||||
|
// amount
|
||||||
|
assert.equal(log.payload.substr(4, 64), web3.eth.abi.encodeParameter("uint256", feeAmount.div(1e10).toString()).substring(2));
|
||||||
|
|
||||||
|
// token
|
||||||
|
assert.equal(log.payload.substr(68, 64), web3.eth.abi.encodeParameter("address", deployFeeToken.address).substring(2));
|
||||||
|
|
||||||
|
// chain id
|
||||||
|
assert.equal(log.payload.substr(132, 4), web3.eth.abi.encodeParameter("uint16", testChainId).substring(2 + 64 - 4))
|
||||||
|
|
||||||
|
// to
|
||||||
|
assert.equal(log.payload.substr(136, 64), "000000000000000000000000b7a2211e8165943192ad04f5dd21bedc29ff003e");
|
||||||
|
|
||||||
|
// to chain id
|
||||||
|
assert.equal(log.payload.substr(200, 4), web3.eth.abi.encodeParameter("uint16", 10).substring(2 + 64 - 4))
|
||||||
|
|
||||||
|
// fee
|
||||||
|
assert.equal(log.payload.substr(204, 64), web3.eth.abi.encodeParameter("uint256", new BigNumber(fee).div(1e10).toString()).substring(2))
|
||||||
|
})
|
||||||
|
|
||||||
|
it("should accept a further upgrade", async function () {
|
||||||
|
const mock = await MockBridgeImplementation.new();
|
||||||
|
|
||||||
|
let data = [
|
||||||
|
"0x",
|
||||||
|
"000000000000000000000000000000000000000000546f6b656e427269646765",
|
||||||
|
"02",
|
||||||
|
web3.eth.abi.encodeParameter("uint16", testChainId).substring(2 + (64 - 4)),
|
||||||
|
web3.eth.abi.encodeParameter("address", mock.address).substring(2),
|
||||||
|
].join('')
|
||||||
|
|
||||||
|
const vm = await signAndEncodeVM(
|
||||||
|
1,
|
||||||
|
1,
|
||||||
|
testGovernanceChainId,
|
||||||
|
testGovernanceContract,
|
||||||
|
0,
|
||||||
|
data,
|
||||||
|
[
|
||||||
|
testSigner1PK
|
||||||
|
],
|
||||||
|
0,
|
||||||
|
0
|
||||||
|
);
|
||||||
|
|
||||||
|
let before = await web3.eth.getStorageAt(bridgeProxy.options.address, "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc");
|
||||||
|
|
||||||
|
assert.equal(before.toLowerCase(), upgradeDeployedAt.toLowerCase());
|
||||||
|
|
||||||
|
await bridgeProxy.methods.upgrade("0x" + vm).send({
|
||||||
|
value: 0,
|
||||||
|
from: accounts[0],
|
||||||
|
gasLimit: 2000000
|
||||||
|
});
|
||||||
|
|
||||||
|
let after = await web3.eth.getStorageAt(bridgeProxy.options.address, "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc");
|
||||||
|
|
||||||
|
assert.equal(after.toLowerCase(), mock.address.toLowerCase());
|
||||||
|
|
||||||
|
const mockImpl = new web3.eth.Contract(MockBridgeImplementation.abi, bridgeProxy.options.address);
|
||||||
|
|
||||||
|
let isUpgraded = await mockImpl.methods.testNewImplementationActive().call();
|
||||||
|
|
||||||
|
assert.ok(isUpgraded);
|
||||||
|
})
|
||||||
|
});
|
||||||
|
|
||||||
|
const signAndEncodeVM = async function (
|
||||||
|
timestamp,
|
||||||
|
nonce,
|
||||||
|
emitterChainId,
|
||||||
|
emitterAddress,
|
||||||
|
sequence,
|
||||||
|
data,
|
||||||
|
signers,
|
||||||
|
guardianSetIndex,
|
||||||
|
consistencyLevel
|
||||||
|
) {
|
||||||
|
const body = [
|
||||||
|
web3.eth.abi.encodeParameter("uint32", timestamp).substring(2 + (64 - 8)),
|
||||||
|
web3.eth.abi.encodeParameter("uint32", nonce).substring(2 + (64 - 8)),
|
||||||
|
web3.eth.abi.encodeParameter("uint16", emitterChainId).substring(2 + (64 - 4)),
|
||||||
|
web3.eth.abi.encodeParameter("bytes32", emitterAddress).substring(2),
|
||||||
|
web3.eth.abi.encodeParameter("uint64", sequence).substring(2 + (64 - 16)),
|
||||||
|
web3.eth.abi.encodeParameter("uint8", consistencyLevel).substring(2 + (64 - 2)),
|
||||||
|
data.substr(2)
|
||||||
|
]
|
||||||
|
|
||||||
|
const hash = web3.utils.soliditySha3(web3.utils.soliditySha3("0x" + body.join("")))
|
||||||
|
|
||||||
|
let signatures = "";
|
||||||
|
|
||||||
|
for (let i in signers) {
|
||||||
|
const ec = new elliptic.ec("secp256k1");
|
||||||
|
const key = ec.keyFromPrivate(signers[i]);
|
||||||
|
const signature = key.sign(hash.substr(2), {canonical: true});
|
||||||
|
|
||||||
|
const packSig = [
|
||||||
|
web3.eth.abi.encodeParameter("uint8", i).substring(2 + (64 - 2)),
|
||||||
|
zeroPadBytes(signature.r.toString(16), 32),
|
||||||
|
zeroPadBytes(signature.s.toString(16), 32),
|
||||||
|
web3.eth.abi.encodeParameter("uint8", signature.recoveryParam).substr(2 + (64 - 2)),
|
||||||
|
]
|
||||||
|
|
||||||
|
signatures += packSig.join("")
|
||||||
|
}
|
||||||
|
|
||||||
|
const vm = [
|
||||||
|
web3.eth.abi.encodeParameter("uint8", 1).substring(2 + (64 - 2)),
|
||||||
|
web3.eth.abi.encodeParameter("uint32", guardianSetIndex).substring(2 + (64 - 8)),
|
||||||
|
web3.eth.abi.encodeParameter("uint8", signers.length).substring(2 + (64 - 2)),
|
||||||
|
|
||||||
|
signatures,
|
||||||
|
body.join("")
|
||||||
|
].join("");
|
||||||
|
|
||||||
|
return vm
|
||||||
|
}
|
||||||
|
|
||||||
|
function zeroPadBytes(value, length) {
|
||||||
|
while (value.length < 2 * length) {
|
||||||
|
value = "0" + value;
|
||||||
|
}
|
||||||
|
return value;
|
||||||
|
}
|
Loading…
Reference in New Issue