@8pay/sdk 中文文档教程

发布于 3年前 浏览 26 项目主页 更新于 3年前

@8pay/sdk

该 SDK 提供了一种以编程方式与 8Pay 的智能合约进行交互的方法,以及一些帮助函数来简化集成过程。

Requirements

  • web3 (1.0.0 or higher)

Installation

这是一个 Node.js 模块,可通过 npm 注册表获取

安装前,下载并安装 Node.js

使用 npm install 命令 完成安装:

$ npm install @8pay/sdk

Usage

此模块在引擎盖下使用 web3,这是用于与 Web 3.0。

为了熟悉 web3,它在发送交易时遵循相同的结构,并且还添加了额外的功能。

首先,创建 8pay 的 SDK 实例并选择您要操作的网络

const Web3 = require('web3');
const EightPay = require('@8pay/sdk');

const web3 = new Web3('<provider-url>');
const eightPay = new EightPay(web3, EightPay.Network.BSC);

Sending transactions

在将交易广播到区块链之前,有两种方法可以签署交易

  • With an unlocked account (e.g. when using Metamask)
eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .send({ from: account })
  • With private key
eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .send({ privateKey: '0x32df7......' })

Estimate gas

可以使用 estimateGas 函数估算交易消耗的气体,该函数采用 options 对象并返回所需的气体量:

eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .estimateGas(options)

Options

sendestimateGas 方法接受 web3 中可用的相同 options 对象,它允许设置参数,如 gasgasPrice, nonce 等等。

Events

发送交易时会发出以下事件:sendingsenttransactionHashreceiptconfirmation错误

const receipt = await eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .send({ from: account })
    .once('sending', payload => {})
    .once('sent', payload => {})
    .once('transactionHash', hash => {})
    .once('receipt', receipt => {})
    .on('confirmation', confirmation => {})
    .on('error', error => {})

Fixed Recurring

Bill

计划的账单订阅。

参数:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];

const receipt = await eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .send({ from: account })

Terminate

强制取消计划的订阅。

注意:发件人帐户必须是计划的管理员或具有终止权限的操作帐户。

参数:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];

const receipt = await eightPay.fixedRecurring.terminate(planId, subscriptionIds)
    .send({ from: account })

Variable Recurring

Bill

计划的账单订阅。

注意:发件人帐户必须是计划的管理员或具有账单权限的操作帐户。

参数:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
  • amounts - array of amounts to charge for each subscription
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];
const amounts = [eightPay.utils.parseAmount('10', '8PAY')];

const receipt = await eightPay.variableRecurring.bill(planId, subscriptionIds, amounts)
    .send({ from: account })

Terminate

强制取消计划的订阅。

注意:发件人帐户必须是计划的管理员或具有终止权限的操作帐户。

参数:

  • planId - id of the plan
  • subscriptionIds - array of subscription on-chain ids
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];

const receipt = await eightPay.variableRecurring.terminate(planId, subscriptionIds)
    .send({ from: account })

On Demand

Bill

计划的账单订阅。

注意:发件人帐户必须是计划的管理员或具有账单权限的操作帐户。

参数:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
  • amounts - array of amounts to charge for each subscription
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];
const amounts = [eightPay.utils.parseAmount('10', '8PAY')];

const receipt = await eightPay.onDemand.bill(planId, subscriptionIds, amounts)
    .send({ from: account })

Terminate

强制取消计划的订阅。

注意:发件人帐户必须是计划的管理员或具有终止权限的操作帐户。

参数:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];

const receipt = await eightPay.onDemand.terminate(planId, subscriptionIds)
    .send({ from: account })

Accounts

accounts 实用程序可用于从私钥或助记符中获取 account 对象。 account 对象有两个属性:addressprivateKey

const privateKey = '<private-key>';
const account = eightPay.accounts.fromPrivateKey(privateKey);

// OR

const mnemonic = '<mnemonic>';
const mnemonicIndex = 0;
const account = eightPay.accounts.fromMnemonic(mnemonic, mnemonicIndex);

console.log(account);

/*
{
    address: '0x2F2....',
    privateKey: '0x1Ee...'
}
*/

Utils

为了帮助解析来自和来自以太坊小数的金额,您可以使用 parseAmountformatAmount 函数。

const parsedAmount = eightPay.utils.parseAmount('1', '8PAY') // 1000000000000000000
const amount = eightPay.utils.formatAmount(parsedAmount, '8PAY') // 1

@8pay/sdk

The SDK provides a way to programmatically interact with 8Pay's smart contracts along with some helper functions to simplify the integration process.

Requirements

  • web3 (1.0.0 or higher)

Installation

This is a Node.js module available through the npm registry.

Before installing, download and install Node.js.

Installation is done using the npm install command:

$ npm install @8pay/sdk

Usage

This module uses web3 under the hood, which is one of the most popular libraries used to interact with the Web 3.0.

To keep things familiar with web3, it follows the same structure when sending transactions and also adds additional functionalities.

To get started, create an instance of the 8pay's SDK and choose the network on which you want to operate:

const Web3 = require('web3');
const EightPay = require('@8pay/sdk');

const web3 = new Web3('<provider-url>');
const eightPay = new EightPay(web3, EightPay.Network.BSC);

Sending transactions

There are two ways to sign a transaction before broadcasting it to the blockchain:

  • With an unlocked account (e.g. when using Metamask)
eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .send({ from: account })
  • With private key
eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .send({ privateKey: '0x32df7......' })

Estimate gas

The gas consumed by a transaction can be estimated using the estimateGas function which takes an options object and returns the amount of gas required:

eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .estimateGas(options)

Options

The send and estimateGas methods accept the same options object available in web3 which allows setting parameters like gas, gasPrice, nonce and so on.

Events

The following events are emitted when sending a transaction: sending, sent, transactionHash, receipt, confirmation and error.

const receipt = await eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .send({ from: account })
    .once('sending', payload => {})
    .once('sent', payload => {})
    .once('transactionHash', hash => {})
    .once('receipt', receipt => {})
    .on('confirmation', confirmation => {})
    .on('error', error => {})

Fixed Recurring

Bill

Bills subscriptions of a plan.

Parameters:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];

const receipt = await eightPay.fixedRecurring.bill(planId, subscriptionIds)
    .send({ from: account })

Terminate

Forcefully cancels subscriptions of a plan.

Note: The sender account must be the plan's admin or an operational account with terminate permission.

Parameters:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];

const receipt = await eightPay.fixedRecurring.terminate(planId, subscriptionIds)
    .send({ from: account })

Variable Recurring

Bill

Bills subscriptions of a plan.

Note: The sender account must be the plan's admin or an operational account with bill permission.

Parameters:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
  • amounts - array of amounts to charge for each subscription
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];
const amounts = [eightPay.utils.parseAmount('10', '8PAY')];

const receipt = await eightPay.variableRecurring.bill(planId, subscriptionIds, amounts)
    .send({ from: account })

Terminate

Forcefully cancels subscriptions of a plan.

Note: The sender account must be the plan's admin or an operational account with terminate permission.

Parameters:

  • planId - id of the plan
  • subscriptionIds - array of subscription on-chain ids
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];

const receipt = await eightPay.variableRecurring.terminate(planId, subscriptionIds)
    .send({ from: account })

On Demand

Bill

Bills subscriptions of a plan.

Note: The sender account must be the plan's admin or an operational account with bill permission.

Parameters:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
  • amounts - array of amounts to charge for each subscription
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];
const amounts = [eightPay.utils.parseAmount('10', '8PAY')];

const receipt = await eightPay.onDemand.bill(planId, subscriptionIds, amounts)
    .send({ from: account })

Terminate

Forcefully cancels subscriptions of a plan.

Note: The sender account must be the plan's admin or an operational account with terminate permission.

Parameters:

  • planId - id of the plan
  • subscriptionIds - array of subscription ids
const planId = '0x57b2059e526841b3dfd964144513359c9fcfd6d91040b6c47f589c1e032b6bf4';
const subscriptionIds = ['0xe63ba761797e289076f80a7c0916a31740684806aaf507da85f81ee785fec6ba'];

const receipt = await eightPay.onDemand.terminate(planId, subscriptionIds)
    .send({ from: account })

Accounts

The accounts utility can be used to obtain an account object from a private key or a mnemonic. The account object has two properties: address and privateKey.

const privateKey = '<private-key>';
const account = eightPay.accounts.fromPrivateKey(privateKey);

// OR

const mnemonic = '<mnemonic>';
const mnemonicIndex = 0;
const account = eightPay.accounts.fromMnemonic(mnemonic, mnemonicIndex);

console.log(account);

/*
{
    address: '0x2F2....',
    privateKey: '0x1Ee...'
}
*/

Utils

To help in parsing amount from and to ethereum decimals, you can use the parseAmount and formatAmount functions.

const parsedAmount = eightPay.utils.parseAmount('1', '8PAY') // 1000000000000000000
const amount = eightPay.utils.formatAmount(parsedAmount, '8PAY') // 1
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