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authorLeonid Logvinov <logvinov.leon@gmail.com>2018-02-28 04:01:12 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2018-02-28 04:07:58 +0800
commit8fe844bcc9e4298cc3ced58c1abcee78de4193b3 (patch)
tree6b3fb63fb53fd6d51287b9b8a599c3eae5f46057 /packages/web3-wrapper
parenta0390956a91b2e15052d1b5ca43ef6d85d64234e (diff)
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Move BaseContract to web3Wrapper
Diffstat (limited to 'packages/web3-wrapper')
-rw-r--r--packages/web3-wrapper/package.json2
-rw-r--r--packages/web3-wrapper/src/base_contract.ts69
-rw-r--r--packages/web3-wrapper/src/index.ts181
-rw-r--r--packages/web3-wrapper/src/web3_wrapper.ts179
-rw-r--r--packages/web3-wrapper/tsconfig.json6
5 files changed, 257 insertions, 180 deletions
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index 8f87bb118..e827842b0 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -26,11 +26,13 @@
"shx": "^0.2.2",
"tslint": "5.8.0",
"typescript": "2.7.1",
+ "ethers-typescript-typings": "^0.0.1",
"web3-typescript-typings": "^0.9.11"
},
"dependencies": {
"@0xproject/types": "^0.2.3",
"@0xproject/utils": "^0.3.4",
+ "ethers-contracts": "^2.2.1",
"lodash": "^4.17.4",
"web3": "^0.20.0"
}
diff --git a/packages/web3-wrapper/src/base_contract.ts b/packages/web3-wrapper/src/base_contract.ts
new file mode 100644
index 000000000..997ce97d3
--- /dev/null
+++ b/packages/web3-wrapper/src/base_contract.ts
@@ -0,0 +1,69 @@
+import { TxData, TxDataPayable } from '@0xproject/types';
+import * as ethersContracts from 'ethers-contracts';
+import * as _ from 'lodash';
+import * as Web3 from 'web3';
+
+import { Web3Wrapper } from './web3_wrapper';
+
+export class BaseContract {
+ protected _ethersInterface: ethersContracts.Interface;
+ protected _web3Wrapper: Web3Wrapper;
+ public abi: Web3.ContractAbi;
+ public address: string;
+ protected static _transformABIData(
+ abis: Web3.DataItem[],
+ values: any[],
+ transformation: (type: string, value: any) => any,
+ ): any {
+ return _.map(values, (value: any, i: number) =>
+ BaseContract._transformTypedData(abis[i].type, value, transformation),
+ );
+ }
+ protected static _lowercaseAddress(type: string, value: string): string {
+ return type === 'address' ? value.toLowerCase() : value;
+ }
+ protected static _bigNumberToString(type: string, value: string): string {
+ return _.isObject(value) && (value as any).isBigNumber ? value.toString() : value;
+ }
+ private static _transformTypedData(
+ type: string,
+ values: any,
+ transformation: (type: string, value: any) => any,
+ ): any {
+ const trailingArrayRegex = /\[\d*\]$/;
+ if (type.match(trailingArrayRegex)) {
+ const arrayItemType = type.replace(trailingArrayRegex, '');
+ return _.map(values, value => this._transformTypedData(arrayItemType, value, transformation));
+ } else {
+ return transformation(type, values);
+ }
+ }
+ protected async _applyDefaultsToTxDataAsync<T extends Partial<TxData | TxDataPayable>>(
+ txData: T,
+ estimateGasAsync?: (txData: T) => Promise<number>,
+ ): Promise<TxData> {
+ // Gas amount sourced with the following priorities:
+ // 1. Optional param passed in to public method call
+ // 2. Global config passed in at library instantiation
+ // 3. Gas estimate calculation + safety margin
+ const removeUndefinedProperties = _.pickBy;
+ const txDataWithDefaults = {
+ to: this.address,
+ ...removeUndefinedProperties(this._web3Wrapper.getContractDefaults()),
+ ...removeUndefinedProperties(txData as any),
+ // HACK: TS can't prove that T is spreadable.
+ // Awaiting https://github.com/Microsoft/TypeScript/pull/13288 to be merged
+ };
+ if (_.isUndefined(txDataWithDefaults.gas) && !_.isUndefined(estimateGasAsync)) {
+ const estimatedGas = await estimateGasAsync(txData);
+ txDataWithDefaults.gas = estimatedGas;
+ }
+ return txDataWithDefaults;
+ }
+ constructor(web3Wrapper: Web3Wrapper, abi: Web3.ContractAbi, address: string) {
+ this._web3Wrapper = web3Wrapper;
+ this.abi = abi;
+ this.address = address;
+ this._ethersInterface = new ethersContracts.Interface(abi);
+ }
+}
diff --git a/packages/web3-wrapper/src/index.ts b/packages/web3-wrapper/src/index.ts
index a07805344..56dfa227c 100644
--- a/packages/web3-wrapper/src/index.ts
+++ b/packages/web3-wrapper/src/index.ts
@@ -1,179 +1,2 @@
-import { TransactionReceipt, TxData } from '@0xproject/types';
-import { BigNumber, promisify } from '@0xproject/utils';
-import * as _ from 'lodash';
-import * as Web3 from 'web3';
-
-interface RawLogEntry {
- logIndex: string | null;
- transactionIndex: string | null;
- transactionHash: string;
- blockHash: string | null;
- blockNumber: string | null;
- address: string;
- data: string;
- topics: string[];
-}
-
-export class Web3Wrapper {
- private _web3: Web3;
- private _defaults: Partial<TxData>;
- private _jsonRpcRequestId: number;
- constructor(provider: Web3.Provider, defaults?: Partial<TxData>) {
- if (_.isUndefined((provider as any).sendAsync)) {
- // Web3@1.0 provider doesn't support synchronous http requests,
- // so it only has an async `send` method, instead of a `send` and `sendAsync` in web3@0.x.x`
- // We re-assign the send method so that Web3@1.0 providers work with 0x.js
- (provider as any).sendAsync = (provider as any).send;
- }
- this._web3 = new Web3();
- this._web3.setProvider(provider);
- this._defaults = defaults || {};
- this._jsonRpcRequestId = 0;
- }
- public getContractDefaults(): Partial<TxData> {
- return this._defaults;
- }
- public setProvider(provider: Web3.Provider) {
- this._web3.setProvider(provider);
- }
- public isAddress(address: string): boolean {
- return this._web3.isAddress(address);
- }
- public async isSenderAddressAvailableAsync(senderAddress: string): Promise<boolean> {
- const addresses = await this.getAvailableAddressesAsync();
- const normalizedAddress = senderAddress.toLowerCase();
- return _.includes(addresses, normalizedAddress);
- }
- public async getNodeVersionAsync(): Promise<string> {
- const nodeVersion = await promisify<string>(this._web3.version.getNode)();
- return nodeVersion;
- }
- public async getNetworkIdAsync(): Promise<number> {
- const networkIdStr = await promisify<string>(this._web3.version.getNetwork)();
- const networkId = _.parseInt(networkIdStr);
- return networkId;
- }
- public async getTransactionReceiptAsync(txHash: string): Promise<TransactionReceipt> {
- const transactionReceipt = await promisify<TransactionReceipt>(this._web3.eth.getTransactionReceipt)(txHash);
- if (!_.isNull(transactionReceipt)) {
- transactionReceipt.status = this._normalizeTxReceiptStatus(transactionReceipt.status);
- }
- return transactionReceipt;
- }
- public getCurrentProvider(): Web3.Provider {
- return this._web3.currentProvider;
- }
- public toWei(ethAmount: BigNumber): BigNumber {
- const balanceWei = this._web3.toWei(ethAmount, 'ether');
- return balanceWei;
- }
- public async getBalanceInWeiAsync(owner: string): Promise<BigNumber> {
- let balanceInWei = await promisify<BigNumber>(this._web3.eth.getBalance)(owner);
- // Rewrap in a new BigNumber
- balanceInWei = new BigNumber(balanceInWei);
- return balanceInWei;
- }
- public async doesContractExistAtAddressAsync(address: string): Promise<boolean> {
- const code = await promisify<string>(this._web3.eth.getCode)(address);
- // Regex matches 0x0, 0x00, 0x in order to accommodate poorly implemented clients
- const codeIsEmpty = /^0x0{0,40}$/i.test(code);
- return !codeIsEmpty;
- }
- public async signTransactionAsync(address: string, message: string): Promise<string> {
- const signData = await promisify<string>(this._web3.eth.sign)(address, message);
- return signData;
- }
- public async getBlockNumberAsync(): Promise<number> {
- const blockNumber = await promisify<number>(this._web3.eth.getBlockNumber)();
- return blockNumber;
- }
- public async getBlockAsync(blockParam: string | Web3.BlockParam): Promise<Web3.BlockWithoutTransactionData> {
- const block = await promisify<Web3.BlockWithoutTransactionData>(this._web3.eth.getBlock)(blockParam);
- return block;
- }
- public async getBlockTimestampAsync(blockParam: string | Web3.BlockParam): Promise<number> {
- const { timestamp } = await this.getBlockAsync(blockParam);
- return timestamp;
- }
- public async getAvailableAddressesAsync(): Promise<string[]> {
- const addresses = await promisify<string[]>(this._web3.eth.getAccounts)();
- const normalizedAddresses = _.map(addresses, address => address.toLowerCase());
- return normalizedAddresses;
- }
- public async getLogsAsync(filter: Web3.FilterObject): Promise<Web3.LogEntry[]> {
- let fromBlock = filter.fromBlock;
- if (_.isNumber(fromBlock)) {
- fromBlock = this._web3.toHex(fromBlock);
- }
- let toBlock = filter.toBlock;
- if (_.isNumber(toBlock)) {
- toBlock = this._web3.toHex(toBlock);
- }
- const serializedFilter = {
- ...filter,
- fromBlock,
- toBlock,
- };
- const payload = {
- jsonrpc: '2.0',
- id: this._jsonRpcRequestId++,
- method: 'eth_getLogs',
- params: [serializedFilter],
- };
- const rawLogs = await this._sendRawPayloadAsync<RawLogEntry[]>(payload);
- const formattedLogs = _.map(rawLogs, this._formatLog.bind(this));
- return formattedLogs;
- }
- public getContractFromAbi(abi: Web3.ContractAbi): Web3.Contract<any> {
- const web3Contract = this._web3.eth.contract(abi);
- return web3Contract;
- }
- public async estimateGasAsync(txData: Partial<Web3.TxData>): Promise<number> {
- const gas = await promisify<number>(this._web3.eth.estimateGas)(txData);
- return gas;
- }
- public async callAsync(callData: Web3.CallData, defaultBlock?: Web3.BlockParam): Promise<string> {
- const rawCalllResult = await promisify<string>(this._web3.eth.call)(callData, defaultBlock);
- return rawCalllResult;
- }
- public async sendTransactionAsync(txData: Web3.TxData): Promise<string> {
- const txHash = await promisify<string>(this._web3.eth.sendTransaction)(txData);
- return txHash;
- }
- private async _sendRawPayloadAsync<A>(payload: Web3.JSONRPCRequestPayload): Promise<A> {
- const sendAsync = this._web3.currentProvider.sendAsync.bind(this._web3.currentProvider);
- const response = await promisify<Web3.JSONRPCResponsePayload>(sendAsync)(payload);
- const result = response.result;
- return result;
- }
- private _normalizeTxReceiptStatus(status: undefined | null | string | 0 | 1): null | 0 | 1 {
- // Transaction status might have four values
- // undefined - Testrpc and other old clients
- // null - New clients on old transactions
- // number - Parity
- // hex - Geth
- if (_.isString(status)) {
- return this._web3.toDecimal(status) as 0 | 1;
- } else if (_.isUndefined(status)) {
- return null;
- } else {
- return status;
- }
- }
- private _formatLog(rawLog: RawLogEntry): Web3.LogEntry {
- const formattedLog = {
- ...rawLog,
- logIndex: this._hexToDecimal(rawLog.logIndex),
- blockNumber: this._hexToDecimal(rawLog.blockNumber),
- transactionIndex: this._hexToDecimal(rawLog.transactionIndex),
- };
- return formattedLog;
- }
- private _hexToDecimal(hex: string | null): number | null {
- if (_.isNull(hex)) {
- return null;
- }
- const decimal = this._web3.toDecimal(hex);
- return decimal;
- }
-}
+export { Web3Wrapper } from './web3_wrapper';
+export { BaseContract } from './base_contract';
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
new file mode 100644
index 000000000..a07805344
--- /dev/null
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -0,0 +1,179 @@
+import { TransactionReceipt, TxData } from '@0xproject/types';
+import { BigNumber, promisify } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as Web3 from 'web3';
+
+interface RawLogEntry {
+ logIndex: string | null;
+ transactionIndex: string | null;
+ transactionHash: string;
+ blockHash: string | null;
+ blockNumber: string | null;
+ address: string;
+ data: string;
+ topics: string[];
+}
+
+export class Web3Wrapper {
+ private _web3: Web3;
+ private _defaults: Partial<TxData>;
+ private _jsonRpcRequestId: number;
+ constructor(provider: Web3.Provider, defaults?: Partial<TxData>) {
+ if (_.isUndefined((provider as any).sendAsync)) {
+ // Web3@1.0 provider doesn't support synchronous http requests,
+ // so it only has an async `send` method, instead of a `send` and `sendAsync` in web3@0.x.x`
+ // We re-assign the send method so that Web3@1.0 providers work with 0x.js
+ (provider as any).sendAsync = (provider as any).send;
+ }
+ this._web3 = new Web3();
+ this._web3.setProvider(provider);
+ this._defaults = defaults || {};
+ this._jsonRpcRequestId = 0;
+ }
+ public getContractDefaults(): Partial<TxData> {
+ return this._defaults;
+ }
+ public setProvider(provider: Web3.Provider) {
+ this._web3.setProvider(provider);
+ }
+ public isAddress(address: string): boolean {
+ return this._web3.isAddress(address);
+ }
+ public async isSenderAddressAvailableAsync(senderAddress: string): Promise<boolean> {
+ const addresses = await this.getAvailableAddressesAsync();
+ const normalizedAddress = senderAddress.toLowerCase();
+ return _.includes(addresses, normalizedAddress);
+ }
+ public async getNodeVersionAsync(): Promise<string> {
+ const nodeVersion = await promisify<string>(this._web3.version.getNode)();
+ return nodeVersion;
+ }
+ public async getNetworkIdAsync(): Promise<number> {
+ const networkIdStr = await promisify<string>(this._web3.version.getNetwork)();
+ const networkId = _.parseInt(networkIdStr);
+ return networkId;
+ }
+ public async getTransactionReceiptAsync(txHash: string): Promise<TransactionReceipt> {
+ const transactionReceipt = await promisify<TransactionReceipt>(this._web3.eth.getTransactionReceipt)(txHash);
+ if (!_.isNull(transactionReceipt)) {
+ transactionReceipt.status = this._normalizeTxReceiptStatus(transactionReceipt.status);
+ }
+ return transactionReceipt;
+ }
+ public getCurrentProvider(): Web3.Provider {
+ return this._web3.currentProvider;
+ }
+ public toWei(ethAmount: BigNumber): BigNumber {
+ const balanceWei = this._web3.toWei(ethAmount, 'ether');
+ return balanceWei;
+ }
+ public async getBalanceInWeiAsync(owner: string): Promise<BigNumber> {
+ let balanceInWei = await promisify<BigNumber>(this._web3.eth.getBalance)(owner);
+ // Rewrap in a new BigNumber
+ balanceInWei = new BigNumber(balanceInWei);
+ return balanceInWei;
+ }
+ public async doesContractExistAtAddressAsync(address: string): Promise<boolean> {
+ const code = await promisify<string>(this._web3.eth.getCode)(address);
+ // Regex matches 0x0, 0x00, 0x in order to accommodate poorly implemented clients
+ const codeIsEmpty = /^0x0{0,40}$/i.test(code);
+ return !codeIsEmpty;
+ }
+ public async signTransactionAsync(address: string, message: string): Promise<string> {
+ const signData = await promisify<string>(this._web3.eth.sign)(address, message);
+ return signData;
+ }
+ public async getBlockNumberAsync(): Promise<number> {
+ const blockNumber = await promisify<number>(this._web3.eth.getBlockNumber)();
+ return blockNumber;
+ }
+ public async getBlockAsync(blockParam: string | Web3.BlockParam): Promise<Web3.BlockWithoutTransactionData> {
+ const block = await promisify<Web3.BlockWithoutTransactionData>(this._web3.eth.getBlock)(blockParam);
+ return block;
+ }
+ public async getBlockTimestampAsync(blockParam: string | Web3.BlockParam): Promise<number> {
+ const { timestamp } = await this.getBlockAsync(blockParam);
+ return timestamp;
+ }
+ public async getAvailableAddressesAsync(): Promise<string[]> {
+ const addresses = await promisify<string[]>(this._web3.eth.getAccounts)();
+ const normalizedAddresses = _.map(addresses, address => address.toLowerCase());
+ return normalizedAddresses;
+ }
+ public async getLogsAsync(filter: Web3.FilterObject): Promise<Web3.LogEntry[]> {
+ let fromBlock = filter.fromBlock;
+ if (_.isNumber(fromBlock)) {
+ fromBlock = this._web3.toHex(fromBlock);
+ }
+ let toBlock = filter.toBlock;
+ if (_.isNumber(toBlock)) {
+ toBlock = this._web3.toHex(toBlock);
+ }
+ const serializedFilter = {
+ ...filter,
+ fromBlock,
+ toBlock,
+ };
+ const payload = {
+ jsonrpc: '2.0',
+ id: this._jsonRpcRequestId++,
+ method: 'eth_getLogs',
+ params: [serializedFilter],
+ };
+ const rawLogs = await this._sendRawPayloadAsync<RawLogEntry[]>(payload);
+ const formattedLogs = _.map(rawLogs, this._formatLog.bind(this));
+ return formattedLogs;
+ }
+ public getContractFromAbi(abi: Web3.ContractAbi): Web3.Contract<any> {
+ const web3Contract = this._web3.eth.contract(abi);
+ return web3Contract;
+ }
+ public async estimateGasAsync(txData: Partial<Web3.TxData>): Promise<number> {
+ const gas = await promisify<number>(this._web3.eth.estimateGas)(txData);
+ return gas;
+ }
+ public async callAsync(callData: Web3.CallData, defaultBlock?: Web3.BlockParam): Promise<string> {
+ const rawCalllResult = await promisify<string>(this._web3.eth.call)(callData, defaultBlock);
+ return rawCalllResult;
+ }
+ public async sendTransactionAsync(txData: Web3.TxData): Promise<string> {
+ const txHash = await promisify<string>(this._web3.eth.sendTransaction)(txData);
+ return txHash;
+ }
+ private async _sendRawPayloadAsync<A>(payload: Web3.JSONRPCRequestPayload): Promise<A> {
+ const sendAsync = this._web3.currentProvider.sendAsync.bind(this._web3.currentProvider);
+ const response = await promisify<Web3.JSONRPCResponsePayload>(sendAsync)(payload);
+ const result = response.result;
+ return result;
+ }
+ private _normalizeTxReceiptStatus(status: undefined | null | string | 0 | 1): null | 0 | 1 {
+ // Transaction status might have four values
+ // undefined - Testrpc and other old clients
+ // null - New clients on old transactions
+ // number - Parity
+ // hex - Geth
+ if (_.isString(status)) {
+ return this._web3.toDecimal(status) as 0 | 1;
+ } else if (_.isUndefined(status)) {
+ return null;
+ } else {
+ return status;
+ }
+ }
+ private _formatLog(rawLog: RawLogEntry): Web3.LogEntry {
+ const formattedLog = {
+ ...rawLog,
+ logIndex: this._hexToDecimal(rawLog.logIndex),
+ blockNumber: this._hexToDecimal(rawLog.blockNumber),
+ transactionIndex: this._hexToDecimal(rawLog.transactionIndex),
+ };
+ return formattedLog;
+ }
+ private _hexToDecimal(hex: string | null): number | null {
+ if (_.isNull(hex)) {
+ return null;
+ }
+ const decimal = this._web3.toDecimal(hex);
+ return decimal;
+ }
+}
diff --git a/packages/web3-wrapper/tsconfig.json b/packages/web3-wrapper/tsconfig.json
index 3d967d05f..7bae7f9f0 100644
--- a/packages/web3-wrapper/tsconfig.json
+++ b/packages/web3-wrapper/tsconfig.json
@@ -3,5 +3,9 @@
"compilerOptions": {
"outDir": "lib"
},
- "include": ["./src/**/*", "../../node_modules/web3-typescript-typings/index.d.ts"]
+ "include": [
+ "./src/**/*",
+ "../../node_modules/ethers-typescript-typings/index.d.ts",
+ "../../node_modules/web3-typescript-typings/index.d.ts"
+ ]
}