From 1932aff35c6b07093534cde66dec63c5f919fcf0 Mon Sep 17 00:00:00 2001 From: Amir Bandeali Date: Fri, 24 Aug 2018 13:11:17 -0700 Subject: Remove Trezor SignatureType --- .../protocol/Exchange/MixinSignatureValidator.sol | 28 ------------- .../Exchange/mixins/MSignatureValidator.sol | 3 +- .../contracts/test/exchange/signature_validator.ts | 47 ---------------------- packages/order-utils/CHANGELOG.json | 9 +++++ packages/order-utils/src/signature_utils.ts | 12 +----- packages/order-utils/test/signature_utils_test.ts | 14 ------- packages/types/CHANGELOG.json | 4 ++ packages/types/src/index.ts | 1 - 8 files changed, 15 insertions(+), 103 deletions(-) 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 401fdd377..f30adcdb8 100644 --- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol +++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol @@ -211,34 +211,6 @@ contract MixinSignatureValidator is } else if (signatureType == SignatureType.PreSigned) { isValid = preSigned[hash][signerAddress]; return isValid; - - // Signature from Trezor hardware wallet. - // It differs from web3.eth_sign in the encoding of message length - // (Bitcoin varint encoding vs ascii-decimal, the latter is not - // self-terminating which leads to ambiguities). - // See also: - // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer - // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602 - // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36 - } else if (signatureType == SignatureType.Trezor) { - require( - signature.length == 65, - "LENGTH_65_REQUIRED" - ); - v = uint8(signature[0]); - r = signature.readBytes32(1); - s = signature.readBytes32(33); - recovered = ecrecover( - keccak256(abi.encodePacked( - "\x19Ethereum Signed Message:\n\x20", - hash - )), - v, - r, - s - ); - isValid = signerAddress == recovered; - return isValid; } // Anything else is illegal (We do not return false because 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 b00c5e8da..1fe88b908 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 @@ -39,8 +39,7 @@ contract MSignatureValidator is Wallet, // 0x04 Validator, // 0x05 PreSigned, // 0x06 - Trezor, // 0x07 - NSignatureTypes // 0x08, number of signature types. Always leave at end. + NSignatureTypes // 0x07, 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 ac07b0636..9113e5248 100644 --- a/packages/contracts/test/exchange/signature_validator.ts +++ b/packages/contracts/test/exchange/signature_validator.ts @@ -414,53 +414,6 @@ describe('MixinSignatureValidator', () => { expect(isValidSignature).to.be.false(); }); - it('should return true when SignatureType=Trezor and signature is valid', async () => { - // Create Trezor signature - const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - const orderHashWithTrezorPrefixHex = signatureUtils.addSignedMessagePrefix(orderHashHex, SignerType.Trezor); - const orderHashWithTrezorPrefixBuffer = ethUtil.toBuffer(orderHashWithTrezorPrefixHex); - const ecSignature = ethUtil.ecsign(orderHashWithTrezorPrefixBuffer, signerPrivateKey); - // Create 0x signature from Trezor signature - const signature = Buffer.concat([ - ethUtil.toBuffer(ecSignature.v), - ecSignature.r, - ecSignature.s, - ethUtil.toBuffer(`0x${SignatureType.Trezor}`), - ]); - const signatureHex = ethUtil.bufferToHex(signature); - // Validate signature - const isValidSignature = await signatureValidator.publicIsValidSignature.callAsync( - orderHashHex, - signerAddress, - signatureHex, - ); - expect(isValidSignature).to.be.true(); - }); - - it('should return false when SignatureType=Trezor and signature is invalid', async () => { - // Create Trezor signature - const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - const orderHashWithTrezorPrefixHex = signatureUtils.addSignedMessagePrefix(orderHashHex, SignerType.Trezor); - const orderHashWithTrezorPrefixBuffer = ethUtil.toBuffer(orderHashWithTrezorPrefixHex); - const ecSignature = ethUtil.ecsign(orderHashWithTrezorPrefixBuffer, signerPrivateKey); - // Create 0x signature from Trezor signature - const signature = Buffer.concat([ - ethUtil.toBuffer(ecSignature.v), - ecSignature.r, - ecSignature.s, - ethUtil.toBuffer(`0x${SignatureType.Trezor}`), - ]); - const signatureHex = ethUtil.bufferToHex(signature); - // Validate signature. - // This will fail because `signerAddress` signed the message, but we're passing in `notSignerAddress` - const isValidSignature = await signatureValidator.publicIsValidSignature.callAsync( - orderHashHex, - notSignerAddress, - signatureHex, - ); - expect(isValidSignature).to.be.false(); - }); - it('should return true when SignatureType=Presigned and signer has presigned hash', async () => { // Presign hash const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json index 81782b501..d18bf51ed 100644 --- a/packages/order-utils/CHANGELOG.json +++ b/packages/order-utils/CHANGELOG.json @@ -1,4 +1,13 @@ [ + { + "version": "1.0.1-rc.5", + "changes": [ + { + "note": "Remove Caller and Trezor SignatureTypes", + "pr": 1015 + } + ] + }, { "version": "1.0.1-rc.4", "changes": [ diff --git a/packages/order-utils/src/signature_utils.ts b/packages/order-utils/src/signature_utils.ts index f8ed9cf9c..23577efdc 100644 --- a/packages/order-utils/src/signature_utils.ts +++ b/packages/order-utils/src/signature_utils.ts @@ -77,12 +77,6 @@ export const signatureUtils = { return signatureUtils.isValidPresignedSignatureAsync(provider, data, signerAddress); } - case SignatureType.Trezor: { - const prefixedMessageHex = signatureUtils.addSignedMessagePrefix(data, SignerType.Trezor); - const ecSignature = signatureUtils.parseECSignature(signature); - return signatureUtils.isValidECSignature(prefixedMessageHex, ecSignature, signerAddress); - } - default: throw new Error(`Unhandled SignatureType: ${signatureTypeIndexIfExists}`); } @@ -288,10 +282,6 @@ export const signatureUtils = { signatureType = SignatureType.EthSign; break; } - case SignerType.Trezor: { - signatureType = SignatureType.Trezor; - break; - } default: throw new Error(`Unrecognized SignerType: ${signerType}`); } @@ -345,7 +335,7 @@ export const signatureUtils = { */ parseECSignature(signature: string): ECSignature { assert.isHexString('signature', signature); - const ecSignatureTypes = [SignatureType.EthSign, SignatureType.EIP712, SignatureType.Trezor]; + const ecSignatureTypes = [SignatureType.EthSign, SignatureType.EIP712]; assert.isOneOfExpectedSignatureTypes(signature, ecSignatureTypes); // tslint:disable-next-line:custom-no-magic-numbers diff --git a/packages/order-utils/test/signature_utils_test.ts b/packages/order-utils/test/signature_utils_test.ts index 4ce99a1c7..0e7831b41 100644 --- a/packages/order-utils/test/signature_utils_test.ts +++ b/packages/order-utils/test/signature_utils_test.ts @@ -76,20 +76,6 @@ describe('Signature utils', () => { ); expect(isValidSignatureLocal).to.be.true(); }); - - it('should return true for a valid Trezor signature', async () => { - dataHex = '0xd0d994e31c88f33fd8a572552a70ed339de579e5ba49ee1d17cc978bbe1cdd21'; - address = '0x6ecbe1db9ef729cbe972c83fb886247691fb6beb'; - const trezorSignature = - '0x1ce4760660e6495b5ae6723087bea073b3a99ce98ea81fdf00c240279c010e63d05b87bc34c4d67d4776e8d5aeb023a67484f4eaf0fd353b40893e5101e845cd9908'; - const isValidSignatureLocal = await signatureUtils.isValidSignatureAsync( - provider, - dataHex, - trezorSignature, - address, - ); - expect(isValidSignatureLocal).to.be.true(); - }); }); describe('#isValidECSignature', () => { const signature = { diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json index 980a12ad3..1210168d4 100644 --- a/packages/types/CHANGELOG.json +++ b/packages/types/CHANGELOG.json @@ -5,6 +5,10 @@ { "note": "Add WalletError and ValidatorError revert reasons", "pr": 1012 + }, + { + "note": "Remove Caller and Trezor SignatureTypes", + "pr": 1015 } ] }, diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts index beedc24a3..5261ddfe2 100644 --- a/packages/types/src/index.ts +++ b/packages/types/src/index.ts @@ -136,7 +136,6 @@ export enum SignatureType { Wallet, Validator, PreSigned, - Trezor, NSignatureTypes, } -- cgit