增加一个erc20转账的方法

assets/comp/wallet/scripts/JCWallet.ts

@@ -13,7 +13,12 @@ var global =
   (typeof global !== 'undefined' && global) ||
   {}
 declare global {
-    interface Window { jc: {wallet: JCWallet;} }
+    interface Window { 
+      jc: {
+        wallet: JCWallet;
+      }, 
+      ethSigUtil: any
+    }
 }
 
 

assets/comp/wallet/scripts/standards/ERC20Standard.ts

@@ -1,5 +1,5 @@
-import Web3 = require('../lib/web3.min');
+import Web3 = require("../lib/web3.min");
-import { abiERC20 } from '../abis/abiERC20';
+import { abiERC20 } from "../abis/abiERC20";
 
 export class ERC20Standard {
   private web3: Web3;
@@ -15,17 +15,25 @@ export class ERC20Standard {
    * @param selectedAddress - Current account public address.
    * @returns Promise resolving to BN object containing balance for current account on specific asset contract.
    */
-  async getBalanceOf(address: string, selectedAddress: string): Promise<Web3.utils.BN> {
+  async getBalanceOf(
+    address: string,
+    selectedAddress: string
+  ): Promise<Web3.utils.BN> {
     const contract = new this.web3.eth.Contract(abiERC20, address);
     return new Promise<Web3.utils.BN>((resolve, reject) => {
-      contract.methods.balanceOf(selectedAddress).call({from: selectedAddress}, (error: Error, result: Web3.utils.BN) => {
+      contract.methods
+        .balanceOf(selectedAddress)
+        .call(
+          { from: selectedAddress },
+          (error: Error, result: Web3.utils.BN) => {
             /* istanbul ignore if */
             if (error) {
               reject(error);
               return;
             }
             resolve(result);
-      });
+          }
+        );
     });
   }
 
@@ -38,7 +46,9 @@ export class ERC20Standard {
   async getTokenDecimals(address: string): Promise<string> {
     const contract = new this.web3.eth.Contract(abiERC20, address);
     return new Promise<string>((resolve, reject) => {
-      contract.methods.decimals().call((error: Error, result: Web3.utils.BN | string) => {
+      contract.methods
+        .decimals()
+        .call((error: Error, result: Web3.utils.BN | string) => {
           /* istanbul ignore if */
           if (error) {
             reject(error);
@@ -58,7 +68,9 @@ export class ERC20Standard {
   async getTokenSymbol(address: string): Promise<string> {
     const contract = new this.web3.eth.Contract(abiERC20, address);
     return new Promise<string>((resolve, reject) => {
-      contract.methods.symbol().call((error: Error, result: Web3.utils.BN | string) => {
+      contract.methods
+        .symbol()
+        .call((error: Error, result: Web3.utils.BN | string) => {
           /* istanbul ignore if */
           if (error) {
             reject(error);
@@ -113,7 +125,7 @@ export class ERC20Standard {
    */
   async getDetails(
     address: string,
-    userAddress?: string,
+    userAddress?: string
   ): Promise<{
     standard: string;
     symbol: string | undefined;
@@ -132,7 +144,28 @@ export class ERC20Standard {
       decimals,
       symbol,
       balance,
-      standard: 'ERC20',
+      standard: "ERC20",
     };
   }
+
+  async transfer({
+    address,
+    from,
+    to,
+    amount,
+    gas,
+  }: {
+    address: string;
+    from: string;
+    to: string;
+    amount: number | string;
+    gas?: number;
+  }) {
+    const contract = new this.web3.eth.Contract(abiERC20, address);
+    amount = Web3.utils.toBN(Web3.utils.toWei(amount + ""));
+    return contract.methods.transfer(to, amount).send({
+      from,
+      gas: gas || 1000000,
+    });
+  }
 }

assets/scripts/wallet/WalletController.ts

@@ -94,20 +94,29 @@ export default class WalletController extends cc.Component {
     }
 
     async testERC20() {
-        let symbol = await this.wallet.erc20Standard.getTokenSymbol('0x67f6a7BbE0da067A747C6b2bEdF8aBBF7D6f60dc')
+        // let address = '0x67f6a7BbE0da067A747C6b2bEdF8aBBF7D6f60dc'
+        let address = '0xdb6D4bB22E2C12686Efff25a79EC78f9f078fe7D'
+        let symbol = await this.wallet.erc20Standard.getTokenSymbol(address)
         console.log(symbol)
-        let decimals = await this.wallet.erc20Standard.getTokenDecimals('0x67f6a7BbE0da067A747C6b2bEdF8aBBF7D6f60dc')
+        let decimals = await this.wallet.erc20Standard.getTokenDecimals(address)
         console.log(decimals)
         let result3 = await this.wallet.erc20Standard
-            .getBalanceOf('0x67f6a7BbE0da067A747C6b2bEdF8aBBF7D6f60dc', 
+            .getBalanceOf(address, 
             '0x565edA4ef351EB78F03B8AfCb6dCF02E29cAD62e')
         console.log(`balance: ${renderFromTokenMinimalUnit(result3, decimals, 4)}`)
-        console.log(`balance: ${renderFromTokenMinimalUnit('10000000000000', decimals, 6)}`)
-        console.log(`renderFromWei: ${renderFromWei('100000000000000')}`)
         let resultAll = await this.wallet.erc20Standard.getDetails(
-            '0x67f6a7BbE0da067A747C6b2bEdF8aBBF7D6f60dc', 
+            address, 
             '0x565edA4ef351EB78F03B8AfCb6dCF02E29cAD62e'
             )
         console.log(resultAll)
     }
+
+    async testSendMoney() {
+        let address = '0xdb6D4bB22E2C12686Efff25a79EC78f9f078fe7D'
+        let amount = 1
+        let from = '0x565edA4ef351EB78F03B8AfCb6dCF02E29cAD62e'
+        let to = '0x50A8e60041A206AcaA5F844a1104896224be6F39'
+        let result = await this.wallet.erc20Standard.transfer({address, from, to, amount})
+        console.log(result)
+    }
 }