From d80701c2779512324c7a9bef2a87b6f63239d281 Mon Sep 17 00:00:00 2001 From: Amir Bandeali Date: Wed, 29 Aug 2018 15:35:09 -0700 Subject: Fix geth tests --- .../protocol/AssetProxyOwner/AssetProxyOwner.sol | 5 ++- .../contracts/test/exchange/signature_validator.ts | 14 +++---- packages/contracts/test/libraries/lib_bytes.ts | 48 +++++++++++----------- .../contracts/test/multisig/asset_proxy_owner.ts | 26 ++++++++---- .../test/tokens/unlimited_allowance_token.ts | 8 ++-- packages/contracts/test/utils/assertions.ts | 17 +++++++- packages/types/CHANGELOG.json | 9 ++++ packages/types/src/index.ts | 3 ++ 8 files changed, 83 insertions(+), 47 deletions(-) (limited to 'packages') diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol b/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol index bb02d8489..4d00e92d3 100644 --- a/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol +++ b/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol @@ -68,7 +68,10 @@ contract AssetProxyOwner is { for (uint256 i = 0; i < _assetProxyContracts.length; i++) { address assetProxy = _assetProxyContracts[i]; - require(assetProxy != address(0)); + require( + assetProxy != address(0), + "INVALID_ASSET_PROXY" + ); isAssetProxyRegistered[assetProxy] = true; } } diff --git a/packages/contracts/test/exchange/signature_validator.ts b/packages/contracts/test/exchange/signature_validator.ts index da2febfd8..b25483c4b 100644 --- a/packages/contracts/test/exchange/signature_validator.ts +++ b/packages/contracts/test/exchange/signature_validator.ts @@ -14,7 +14,7 @@ import { ValidatorContract } from '../../generated_contract_wrappers/validator'; import { WalletContract } from '../../generated_contract_wrappers/wallet'; import { addressUtils } from '../utils/address_utils'; import { artifacts } from '../utils/artifacts'; -import { expectContractCallFailed, expectContractCallFailedWithoutReasonAsync } from '../utils/assertions'; +import { expectContractCallFailedAsync, expectContractCallFailedWithoutReasonAsync } from '../utils/assertions'; import { chaiSetup } from '../utils/chai_setup'; import { constants } from '../utils/constants'; import { LogDecoder } from '../utils/log_decoder'; @@ -119,7 +119,7 @@ describe('MixinSignatureValidator', () => { it('should revert when signature is empty', async () => { const emptySignature = '0x'; const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - return expectContractCallFailed( + return expectContractCallFailedAsync( signatureValidator.publicIsValidSignature.callAsync( orderHashHex, signedOrder.makerAddress, @@ -133,7 +133,7 @@ describe('MixinSignatureValidator', () => { const unsupportedSignatureType = SignatureType.NSignatureTypes; const unsupportedSignatureHex = '0x' + Buffer.from([unsupportedSignatureType]).toString('hex'); const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - return expectContractCallFailed( + return expectContractCallFailedAsync( signatureValidator.publicIsValidSignature.callAsync( orderHashHex, signedOrder.makerAddress, @@ -146,7 +146,7 @@ describe('MixinSignatureValidator', () => { it('should revert when SignatureType=Illegal', async () => { const unsupportedSignatureHex = '0x' + Buffer.from([SignatureType.Illegal]).toString('hex'); const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - return expectContractCallFailed( + return expectContractCallFailedAsync( signatureValidator.publicIsValidSignature.callAsync( orderHashHex, signedOrder.makerAddress, @@ -173,7 +173,7 @@ describe('MixinSignatureValidator', () => { const signatureBuffer = Buffer.concat([fillerData, signatureType]); const signatureHex = ethUtil.bufferToHex(signatureBuffer); const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - return expectContractCallFailed( + return expectContractCallFailedAsync( signatureValidator.publicIsValidSignature.callAsync( orderHashHex, signedOrder.makerAddress, @@ -339,7 +339,7 @@ describe('MixinSignatureValidator', () => { ethUtil.toBuffer(`0x${SignatureType.Wallet}`), ]); const signatureHex = ethUtil.bufferToHex(signature); - await expectContractCallFailed( + await expectContractCallFailedAsync( signatureValidator.publicIsValidSignature.callAsync( orderHashHex, maliciousWallet.address, @@ -385,7 +385,7 @@ describe('MixinSignatureValidator', () => { const signature = Buffer.concat([validatorAddress, signatureType]); const signatureHex = ethUtil.bufferToHex(signature); const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder); - await expectContractCallFailed( + await expectContractCallFailedAsync( signatureValidator.publicIsValidSignature.callAsync(orderHashHex, signerAddress, signatureHex), RevertReason.ValidatorError, ); diff --git a/packages/contracts/test/libraries/lib_bytes.ts b/packages/contracts/test/libraries/lib_bytes.ts index efdfa13a2..13640a761 100644 --- a/packages/contracts/test/libraries/lib_bytes.ts +++ b/packages/contracts/test/libraries/lib_bytes.ts @@ -9,7 +9,7 @@ import * as _ from 'lodash'; import { TestLibBytesContract } from '../../generated_contract_wrappers/test_lib_bytes'; import { artifacts } from '../utils/artifacts'; -import { expectContractCallFailed } from '../utils/assertions'; +import { expectContractCallFailedAsync } from '../utils/assertions'; import { chaiSetup } from '../utils/chai_setup'; import { constants } from '../utils/constants'; import { typeEncodingUtils } from '../utils/type_encoding_utils'; @@ -103,7 +103,7 @@ describe('LibBytes', () => { describe('popLastByte', () => { it('should revert if length is 0', async () => { - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicPopLastByte.callAsync(constants.NULL_BYTES), RevertReason.LibBytesGreaterThanZeroLengthRequired, ); @@ -125,7 +125,7 @@ describe('LibBytes', () => { describe('popLast20Bytes', () => { it('should revert if length is less than 20', async () => { - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicPopLast20Bytes.callAsync(byteArrayShorterThan20Bytes), RevertReason.LibBytesGreaterOrEqualTo20LengthRequired, ); @@ -200,7 +200,7 @@ describe('LibBytes', () => { describe('deepCopyBytes', () => { it('should revert if dest is shorter than source', async () => { - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicDeepCopyBytes.callAsync(byteArrayShorterThan32Bytes, byteArrayLongerThan32Bytes), RevertReason.LibBytesGreaterOrEqualToSourceBytesLengthRequired, ); @@ -253,7 +253,7 @@ describe('LibBytes', () => { it('should fail if the byte array is too short to hold an address', async () => { const shortByteArray = '0xabcdef'; const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadAddress.callAsync(shortByteArray, offset), RevertReason.LibBytesGreaterOrEqualTo20LengthRequired, ); @@ -261,7 +261,7 @@ describe('LibBytes', () => { it('should fail if the length between the offset and end of the byte array is too short to hold an address', async () => { const byteArray = testAddress; const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadAddress.callAsync(byteArray, badOffset), RevertReason.LibBytesGreaterOrEqualTo20LengthRequired, ); @@ -297,7 +297,7 @@ describe('LibBytes', () => { }); it('should fail if the byte array is too short to hold an address', async () => { const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicWriteAddress.callAsync(byteArrayShorterThan20Bytes, offset, testAddress), RevertReason.LibBytesGreaterOrEqualTo20LengthRequired, ); @@ -305,7 +305,7 @@ describe('LibBytes', () => { it('should fail if the length between the offset and end of the byte array is too short to hold an address', async () => { const byteArray = byteArrayLongerThan32Bytes; const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicWriteAddress.callAsync(byteArray, badOffset, testAddress), RevertReason.LibBytesGreaterOrEqualTo20LengthRequired, ); @@ -329,14 +329,14 @@ describe('LibBytes', () => { }); it('should fail if the byte array is too short to hold a bytes32', async () => { const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadBytes32.callAsync(byteArrayShorterThan32Bytes, offset), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); }); it('should fail if the length between the offset and end of the byte array is too short to hold a bytes32', async () => { const badOffset = new BigNumber(ethUtil.toBuffer(testBytes32).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadBytes32.callAsync(testBytes32, badOffset), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); @@ -372,7 +372,7 @@ describe('LibBytes', () => { }); it('should fail if the byte array is too short to hold a bytes32', async () => { const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicWriteBytes32.callAsync(byteArrayShorterThan32Bytes, offset, testBytes32), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); @@ -380,7 +380,7 @@ describe('LibBytes', () => { it('should fail if the length between the offset and end of the byte array is too short to hold a bytes32', async () => { const byteArray = byteArrayLongerThan32Bytes; const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicWriteBytes32.callAsync(byteArray, badOffset, testBytes32), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); @@ -408,7 +408,7 @@ describe('LibBytes', () => { }); it('should fail if the byte array is too short to hold a uint256', async () => { const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadUint256.callAsync(byteArrayShorterThan32Bytes, offset), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); @@ -418,7 +418,7 @@ describe('LibBytes', () => { const testUint256AsBuffer = ethUtil.toBuffer(formattedTestUint256); const byteArray = ethUtil.bufferToHex(testUint256AsBuffer); const badOffset = new BigNumber(testUint256AsBuffer.byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadUint256.callAsync(byteArray, badOffset), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); @@ -458,7 +458,7 @@ describe('LibBytes', () => { }); it('should fail if the byte array is too short to hold a uint256', async () => { const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicWriteUint256.callAsync(byteArrayShorterThan32Bytes, offset, testUint256), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); @@ -466,7 +466,7 @@ describe('LibBytes', () => { it('should fail if the length between the offset and end of the byte array is too short to hold a uint256', async () => { const byteArray = byteArrayLongerThan32Bytes; const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicWriteUint256.callAsync(byteArray, badOffset, testUint256), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); @@ -478,7 +478,7 @@ describe('LibBytes', () => { it('should revert if byte array has a length < 4', async () => { const byteArrayLessThan4Bytes = '0x010101'; const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadBytes4.callAsync(byteArrayLessThan4Bytes, offset), RevertReason.LibBytesGreaterOrEqualTo4LengthRequired, ); @@ -504,7 +504,7 @@ describe('LibBytes', () => { }); it('should fail if the length between the offset and end of the byte array is too short to hold a bytes4', async () => { const badOffset = new BigNumber(ethUtil.toBuffer(testBytes4).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadBytes4.callAsync(testBytes4, badOffset), RevertReason.LibBytesGreaterOrEqualTo4LengthRequired, ); @@ -554,28 +554,28 @@ describe('LibBytes', () => { it('should fail if the byte array is too short to hold the length of a nested byte array', async () => { // The length of the nested array is 32 bytes. By storing less than 32 bytes, a length cannot be read. const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadBytesWithLength.callAsync(byteArrayShorterThan32Bytes, offset), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); }); it('should fail if we store a nested byte array length, without a nested byte array', async () => { const offset = new BigNumber(0); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadBytesWithLength.callAsync(testBytes32, offset), RevertReason.LibBytesGreaterOrEqualToNestedBytesLengthRequired, ); }); it('should fail if the length between the offset and end of the byte array is too short to hold the length of a nested byte array', async () => { const badOffset = new BigNumber(ethUtil.toBuffer(byteArrayShorterThan32Bytes).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadBytesWithLength.callAsync(byteArrayShorterThan32Bytes, badOffset), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); }); it('should fail if the length between the offset and end of the byte array is too short to hold the nested byte array', async () => { const badOffset = new BigNumber(ethUtil.toBuffer(testBytes32).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicReadBytesWithLength.callAsync(testBytes32, badOffset), RevertReason.LibBytesGreaterOrEqualTo32LengthRequired, ); @@ -687,7 +687,7 @@ describe('LibBytes', () => { it('should fail if the byte array is too short to hold the length of a nested byte array', async () => { const offset = new BigNumber(0); const emptyByteArray = ethUtil.bufferToHex(new Buffer(1)); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicWriteBytesWithLength.callAsync(emptyByteArray, offset, longData), RevertReason.LibBytesGreaterOrEqualToNestedBytesLengthRequired, ); @@ -695,7 +695,7 @@ describe('LibBytes', () => { it('should fail if the length between the offset and end of the byte array is too short to hold the length of a nested byte array', async () => { const emptyByteArray = ethUtil.bufferToHex(new Buffer(shortTestBytesAsBuffer.byteLength)); const badOffset = new BigNumber(ethUtil.toBuffer(shortTestBytesAsBuffer).byteLength); - return expectContractCallFailed( + return expectContractCallFailedAsync( libBytes.publicWriteBytesWithLength.callAsync(emptyByteArray, badOffset, shortData), RevertReason.LibBytesGreaterOrEqualToNestedBytesLengthRequired, ); diff --git a/packages/contracts/test/multisig/asset_proxy_owner.ts b/packages/contracts/test/multisig/asset_proxy_owner.ts index 2f626daef..bb2b3b1a3 100644 --- a/packages/contracts/test/multisig/asset_proxy_owner.ts +++ b/packages/contracts/test/multisig/asset_proxy_owner.ts @@ -1,4 +1,5 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils'; +import { RevertReason } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; import * as chai from 'chai'; import { LogWithDecodedArgs } from 'ethereum-types'; @@ -14,9 +15,11 @@ import { MixinAuthorizableContract } from '../../generated_contract_wrappers/mix import { TestAssetProxyOwnerContract } from '../../generated_contract_wrappers/test_asset_proxy_owner'; import { artifacts } from '../utils/artifacts'; import { - expectContractCallFailedWithoutReasonAsync, - expectContractCreationFailedWithoutReason, + expectContractCallFailedAsync, + expectContractCreationFailedAsync, + expectTransactionFailedAsync, expectTransactionFailedWithoutReasonAsync, + sendTransactionResult, } from '../utils/assertions'; import { increaseTimeAndMineBlockAsync } from '../utils/block_timestamp'; import { chaiSetup } from '../utils/chai_setup'; @@ -109,8 +112,8 @@ describe('AssetProxyOwner', () => { }); it('should throw if a null address is included in assetProxyContracts', async () => { const assetProxyContractAddresses = [erc20Proxy.address, constants.NULL_ADDRESS]; - return expectContractCreationFailedWithoutReason( - AssetProxyOwnerContract.deployFrom0xArtifactAsync( + return expectContractCreationFailedAsync( + (AssetProxyOwnerContract.deployFrom0xArtifactAsync( artifacts.AssetProxyOwner, provider, txDefaults, @@ -118,7 +121,8 @@ describe('AssetProxyOwner', () => { assetProxyContractAddresses, REQUIRED_APPROVALS, SECONDS_TIME_LOCKED, - ), + ) as any) as sendTransactionResult, + RevertReason.InvalidAssetProxy, ); }); }); @@ -281,8 +285,9 @@ describe('AssetProxyOwner', () => { ); const log = submitTxRes.logs[0] as LogWithDecodedArgs; const txId = log.args.transactionId; - return expectContractCallFailedWithoutReasonAsync( + return expectContractCallFailedAsync( testAssetProxyOwner.testValidRemoveAuthorizedAddressAtIndexTx.callAsync(txId), + RevertReason.InvalidFunctionSelector, ); }); @@ -316,8 +321,9 @@ describe('AssetProxyOwner', () => { ); const log = submitTxRes.logs[0] as LogWithDecodedArgs; const txId = log.args.transactionId; - return expectContractCallFailedWithoutReasonAsync( + return expectContractCallFailedAsync( testAssetProxyOwner.testValidRemoveAuthorizedAddressAtIndexTx.callAsync(txId), + RevertReason.UnregisteredAssetProxy, ); }); }); @@ -358,10 +364,11 @@ describe('AssetProxyOwner', () => { await multiSigWrapper.confirmTransactionAsync(txId, owners[1]); - return expectTransactionFailedWithoutReasonAsync( + return expectTransactionFailedAsync( testAssetProxyOwner.executeRemoveAuthorizedAddressAtIndex.sendTransactionAsync(txId, { from: owners[1], }), + RevertReason.UnregisteredAssetProxy, ); }); @@ -380,10 +387,11 @@ describe('AssetProxyOwner', () => { await multiSigWrapper.confirmTransactionAsync(txId, owners[1]); - return expectTransactionFailedWithoutReasonAsync( + return expectTransactionFailedAsync( testAssetProxyOwner.executeRemoveAuthorizedAddressAtIndex.sendTransactionAsync(txId, { from: owners[1], }), + RevertReason.InvalidFunctionSelector, ); }); diff --git a/packages/contracts/test/tokens/unlimited_allowance_token.ts b/packages/contracts/test/tokens/unlimited_allowance_token.ts index f2725b408..63680fe9b 100644 --- a/packages/contracts/test/tokens/unlimited_allowance_token.ts +++ b/packages/contracts/test/tokens/unlimited_allowance_token.ts @@ -5,7 +5,7 @@ import * as chai from 'chai'; import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token'; import { artifacts } from '../utils/artifacts'; -import { expectContractCallFailed } from '../utils/assertions'; +import { expectContractCallFailedAsync } from '../utils/assertions'; import { chaiSetup } from '../utils/chai_setup'; import { constants } from '../utils/constants'; import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper'; @@ -54,7 +54,7 @@ describe('UnlimitedAllowanceToken', () => { it('should throw if owner has insufficient balance', async () => { const ownerBalance = await token.balanceOf.callAsync(owner); const amountToTransfer = ownerBalance.plus(1); - return expectContractCallFailed( + return expectContractCallFailedAsync( token.transfer.callAsync(spender, amountToTransfer, { from: owner }), RevertReason.Erc20InsufficientBalance, ); @@ -93,7 +93,7 @@ describe('UnlimitedAllowanceToken', () => { await token.approve.sendTransactionAsync(spender, amountToTransfer, { from: owner }), constants.AWAIT_TRANSACTION_MINED_MS, ); - return expectContractCallFailed( + return expectContractCallFailedAsync( token.transferFrom.callAsync(owner, spender, amountToTransfer, { from: spender, }), @@ -109,7 +109,7 @@ describe('UnlimitedAllowanceToken', () => { const isSpenderAllowanceInsufficient = spenderAllowance.cmp(amountToTransfer) < 0; expect(isSpenderAllowanceInsufficient).to.be.true(); - return expectContractCallFailed( + return expectContractCallFailedAsync( token.transferFrom.callAsync(owner, spender, amountToTransfer, { from: spender, }), diff --git a/packages/contracts/test/utils/assertions.ts b/packages/contracts/test/utils/assertions.ts index 61df800c8..3361a751a 100644 --- a/packages/contracts/test/utils/assertions.ts +++ b/packages/contracts/test/utils/assertions.ts @@ -159,7 +159,7 @@ export async function expectTransactionFailedWithoutReasonAsync(p: sendTransacti * @returns a new Promise which will reject if the conditions are not met and * otherwise resolve with no value. */ -export async function expectContractCallFailed(p: Promise, reason: RevertReason): Promise { +export async function expectContractCallFailedAsync(p: Promise, reason: RevertReason): Promise { return expect(p).to.be.rejectedWith(reason); } @@ -180,7 +180,20 @@ export async function expectContractCallFailedWithoutReasonAsync(p: Promise(p: Promise): Promise { +export async function expectContractCreationFailedAsync( + p: sendTransactionResult, + reason: RevertReason, +): Promise { + return expectTransactionFailedAsync(p, reason); +} + +/** + * Resolves if the contract creation/deployment fails without a revert reason. + * @param p a Promise resulting from a contract creation/deployment + * @returns a new Promise which will reject if the conditions are not met and + * otherwise resolve with no value. + */ +export async function expectContractCreationFailedWithoutReasonAsync(p: Promise): Promise { const errMessage = await _getTransactionFailedErrorMessageAsync(); return expect(p).to.be.rejectedWith(errMessage); } diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json index e96d2a742..0bd9e3b37 100644 --- a/packages/types/CHANGELOG.json +++ b/packages/types/CHANGELOG.json @@ -1,4 +1,13 @@ [ + { + "version": "1.0.1-rc.7", + "changes": [ + { + "note": "Add AssetProxyOwner revert reasons", + "pr": 1041 + } + ] + }, { "version": "1.0.1-rc.6", "changes": [ diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts index d8bffccf9..3011dd87f 100644 --- a/packages/types/src/index.ts +++ b/packages/types/src/index.ts @@ -224,6 +224,9 @@ export enum RevertReason { Erc721InvalidSelector = 'ERC721_INVALID_SELECTOR', WalletError = 'WALLET_ERROR', ValidatorError = 'VALIDATOR_ERROR', + InvalidFunctionSelector = 'INVALID_FUNCTION_SELECTOR', + InvalidAssetProxy = 'INVALID_ASSET_PROXY', + UnregisteredAssetProxy = 'UNREGISTERED_ASSET_PROXY', } export enum StatusCodes { -- cgit v1.2.3