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增加一个erc20转账的方法

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This commit is contained in:
cebgcontract 2022-06-17 18:47:30 +08:00
parent 668d41c804
commit 43ace4dae1
4 changed files with 760 additions and 345 deletions
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7
assets/comp/wallet/scripts/JCWallet.ts
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@ -13,7 +13,12 @@ var global =
(typeof global !== 'undefined' && global) ||
{}
declare global {
interface Window { jc: {wallet: JCWallet;} }
interface Window {
jc: {
wallet: JCWallet;
},
ethSigUtil: any
}
}

93
assets/comp/wallet/scripts/standards/ERC20Standard.ts
View File

@ -1,5 +1,5 @@
import Web3 = require('../lib/web3.min');
import { abiERC20 } from '../abis/abiERC20';
import Web3 = require("../lib/web3.min");
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) => {
/* istanbul ignore if */
if (error) {
reject(error);
return;
}
resolve(result);
});
contract.methods
.balanceOf(selectedAddress)
.call(
{ from: selectedAddress },
(error: Error, result: Web3.utils.BN) => {
/* istanbul ignore if */
if (error) {
reject(error);
return;
}
resolve(result);
}
);
});
}
@ -38,14 +46,16 @@ 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) => {
/* istanbul ignore if */
if (error) {
reject(error);
return;
}
resolve(result.toString());
});
contract.methods
.decimals()
.call((error: Error, result: Web3.utils.BN | string) => {
/* istanbul ignore if */
if (error) {
reject(error);
return;
}
resolve(result.toString());
});
});
}
@ -58,14 +68,16 @@ 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) => {
/* istanbul ignore if */
if (error) {
reject(error);
return;
}
resolve(result.toString());
});
contract.methods
.symbol()
.call((error: Error, result: Web3.utils.BN | string) => {
/* istanbul ignore if */
if (error) {
reject(error);
return;
}
resolve(result.toString());
});
});
// Signature for calling `symbol()`
// const payload = { to: address, data: '0x95d89b41' };
@ -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,
});
}
}

984
assets/scenes/main.fire
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File diff suppressed because it is too large Load Diff

21
assets/scripts/wallet/WalletController.ts
View File

@ -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)
}
}