diff options
Diffstat (limited to 'packages/contracts')
4 files changed, 16 insertions, 57 deletions
diff --git a/packages/contracts/src/2.0.0/examples/Whitelist/Whitelist.sol b/packages/contracts/src/2.0.0/examples/Whitelist/Whitelist.sol index 60cac26ea..e4e25038c 100644 --- a/packages/contracts/src/2.0.0/examples/Whitelist/Whitelist.sol +++ b/packages/contracts/src/2.0.0/examples/Whitelist/Whitelist.sol @@ -37,7 +37,7 @@ contract Whitelist is bytes internal TX_ORIGIN_SIGNATURE; // solhint-enable var-name-mixedcase - byte constant internal VALIDATOR_SIGNATURE_BYTE = "\x06"; + byte constant internal VALIDATOR_SIGNATURE_BYTE = "\x05"; constructor (address _exchange) public diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol index 017da742e..401fdd377 100644 --- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol +++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol @@ -48,14 +48,16 @@ contract MixinSignatureValidator is ) external { - require( - isValidSignature( - hash, - signerAddress, - signature - ), - "INVALID_SIGNATURE" - ); + if (signerAddress != msg.sender) { + require( + isValidSignature( + hash, + signerAddress, + signature + ), + "INVALID_SIGNATURE" + ); + } preSigned[hash][signerAddress] = true; } @@ -172,22 +174,6 @@ contract MixinSignatureValidator is isValid = signerAddress == recovered; return isValid; - // Implicitly signed by caller. - // The signer has initiated the call. In the case of non-contract - // accounts it means the transaction itself was signed. - // Example: let's say for a particular operation three signatures - // A, B and C are required. To submit the transaction, A and B can - // give a signature to C, who can then submit the transaction using - // `Caller` for his own signature. Or A and C can sign and B can - // submit using `Caller`. Having `Caller` allows this flexibility. - } else if (signatureType == SignatureType.Caller) { - require( - signature.length == 0, - "LENGTH_0_REQUIRED" - ); - isValid = signerAddress == msg.sender; - return isValid; - // Signature verified by wallet contract. // If used with an order, the maker of the order is the wallet contract. } else if (signatureType == SignatureType.Wallet) { diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol index 75fe9ec46..b00c5e8da 100644 --- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol +++ b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol @@ -36,12 +36,11 @@ contract MSignatureValidator is Invalid, // 0x01 EIP712, // 0x02 EthSign, // 0x03 - Caller, // 0x04 - Wallet, // 0x05 - Validator, // 0x06 - PreSigned, // 0x07 - Trezor, // 0x08 - NSignatureTypes // 0x09, number of signature types. Always leave at end. + Wallet, // 0x04 + Validator, // 0x05 + PreSigned, // 0x06 + Trezor, // 0x07 + NSignatureTypes // 0x08, number of signature types. Always leave at end. } /// @dev Verifies signature using logic defined by Wallet contract. diff --git a/packages/contracts/test/exchange/signature_validator.ts b/packages/contracts/test/exchange/signature_validator.ts index 5b64d853c..ac07b0636 100644 --- a/packages/contracts/test/exchange/signature_validator.ts +++ b/packages/contracts/test/exchange/signature_validator.ts @@ -281,32 +281,6 @@ describe('MixinSignatureValidator', () => { expect(isValidSignature).to.be.false(); }); - it('should return true when SignatureType=Caller and signer is caller', async () => { - const signature = ethUtil.toBuffer(`0x${SignatureType.Caller}`); - const signatureHex = ethUtil.bufferToHex(signature); - const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - const isValidSignature = await signatureValidator.publicIsValidSignature.callAsync( - orderHashHex, - signerAddress, - signatureHex, - { from: signerAddress }, - ); - expect(isValidSignature).to.be.true(); - }); - - it('should return false when SignatureType=Caller and signer is not caller', async () => { - const signature = ethUtil.toBuffer(`0x${SignatureType.Caller}`); - const signatureHex = ethUtil.bufferToHex(signature); - const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - const isValidSignature = await signatureValidator.publicIsValidSignature.callAsync( - orderHashHex, - signerAddress, - signatureHex, - { from: notSignerAddress }, - ); - expect(isValidSignature).to.be.false(); - }); - it('should return true when SignatureType=Wallet and signature is valid', async () => { // Create EIP712 signature const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); |