erc20 template

libs/remix-ws-templates/erc20/contracts/SampleERC20.sol

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity >=0.7.0 <0.9.0;
+
+/**
+ * @title SampleERC20
+ * @dev Create a sample ERC20 standard token
+ */
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+contract SampleERC20 is ERC20 {
+
+    constructor(string memory tokenName, string memory tokenSymbol) ERC20(tokenName, tokenSymbol) {}
+}

libs/remix-ws-templates/erc20/index.js

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+export default {
+    'contracts/SampleERC20.sol': require('./contracts/SampleERC20.sol').default,
+    'scripts/deploy_with_ethers.ts': require('./scripts/deploy_with_ethers.ts').default,
+    'scripts/deploy_with_web3.ts': require('./scripts/deploy_with_web3.ts').default,
+    'scripts/ethers.ts': require('./scripts/ethers.ts').default,
+    'scripts/web3.ts': require('./scripts/web3.ts').default,
+    'tests/SampleERC20_test.sol': require('./tests/SampleERC20_test.sol').default
+}

libs/remix-ws-templates/erc20/scripts/deploy_with_ethers.ts

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+import { deploy } from './ethers.ts'
+
+(async () => {
+    try {
+        const result = await deploy('SampleERC20', ['testToken', 'TST'])
+        console.log(`address: ${result.address}`)
+    } catch (e) {
+        console.log(e.message)
+    }
+  })()

libs/remix-ws-templates/erc20/scripts/deploy_with_web3.ts

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+import { deploy } from './web3.ts'
+
+(async () => {
+    try {
+        const result = await deploy('SampleERC20', ['testToken', 'TST'])
+        console.log(`address: ${result.address}`)
+    } catch (e) {
+        console.log(e.message)
+    }
+})()

libs/remix-ws-templates/erc20/scripts/ethers.ts

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+export const deploy = async (contractName: string, args: Array<any>, from?: string) => {    
+    
+    console.log(`deploying ${contractName}`)
+    // Note that the script needs the ABI which is generated from the compilation artifact.
+    // Make sure contract is compiled and artifacts are generated
+    const artifactsPath = `browser/contracts/artifacts/${contractName}.json`
+
+    const metadata = JSON.parse(await remix.call('fileManager', 'getFile', artifactsPath))
+    // 'web3Provider' is a remix global variable object
+    const signer = (new ethers.providers.Web3Provider(web3Provider)).getSigner()
+
+    let factory = new ethers.ContractFactory(metadata.abi, metadata.data.bytecode.object, signer);
+
+    let contract
+    if (from) {
+        contract = await factory.connect(from).deploy(...args);
+    } else {
+        contract = await factory.deploy(...args);
+    }    
+
+    // The contract is NOT deployed yet; we must wait until it is mined
+    await contract.deployed()
+    return contract
+}: Promise<any>

libs/remix-ws-templates/erc20/scripts/web3.ts

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+export const deploy = async (contractName: string, args: Array<any>, from?: string, gas?: number) => {
+    
+    console.log(`deploying ${contractName}`)
+    // Note that the script needs the ABI which is generated from the compilation artifact.
+    // Make sure contract is compiled and artifacts are generated
+    const artifactsPath = `browser/contracts/artifacts/${contractName}.json`
+
+    const metadata = JSON.parse(await remix.call('fileManager', 'getFile', artifactsPath))
+
+    const accounts = await web3.eth.getAccounts()
+
+    let contract = new web3.eth.Contract(metadata.abi)
+
+    contract = contract.deploy({
+        data: metadata.data.bytecode.object,
+        arguments: args
+    })
+
+    const newContractInstance = await contract.send({
+        from: from || accounts[0],
+        gas: gas || 1500000
+    })
+    return newContractInstance.options    
+}: Promise<any>

libs/remix-ws-templates/erc20/tests/SampleERC20_test.sol

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+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity >=0.7.0 <0.9.0;
+import "remix_tests.sol";
+import "../contracts/SampleERC20.sol";
+
+contract SampleERC20Test {
+   
+    SampleERC20 s;
+    function beforeAll () public {
+        s = new SampleERC20("TestToken", "TST");
+    }
+    
+    function testTokenNameAndSymbol () public {
+        Assert.equal(s.name(), "TestToken", "token name did not match");
+        Assert.equal(s.symbol(), "TST", "token symbol did not match");
+    }
+}

libs/remix-ws-templates/index.js

@@ -1,3 +1,3 @@
 export { default as remixDefault } from './remixDefault'
-// export { default as erc20 } from './erc20'
+export { default as erc20 } from './erc20'
 // export { default as blank } from './blank'