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-rw-r--r--packages/contracts/src/2.0.0/examples/Whitelist/Whitelist.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol34
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol11
-rw-r--r--packages/contracts/test/exchange/signature_validator.ts26
-rw-r--r--packages/types/src/index.ts1
5 files changed, 16 insertions, 58 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);
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 2831d816d..beedc24a3 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -133,7 +133,6 @@ export enum SignatureType {
Invalid,
EIP712,
EthSign,
- Caller,
Wallet,
Validator,
PreSigned,