Dash Payment API

Install

Dependencies

• Docker (v18.06.0+)
• Docker Compose (v1.25.0+)

Step 1

git clone -b main https://github.com/dash-incubator/payment-server.git
cd payment-server

Step 2

Update .env.example and rename to .env

Step 3

docker-compose --env-file ./.env up -d

Step 4

Wait for dashd to sync blockchain, use /block-height to monitor progress

Paywall Example

/node/public/index.html includes a working example of a dash paywall the following example can be applied on the frontend or hidden in the backend using nodejs.

<script>
    let qr = document.getElementById('qr');

    async function temp() {
        let data = JSON.parse( localStorage.getItem('data') || "{}" );

        if (!data || (data.expires || 0) <= (Date.now() / 1000)) {
            data = await window.bip70.create({
                pay: [
                    {
                        amount: 1,
                        address: 'ycnVmtMhrdJQ3wkEZ6bH19UozEs2YuArPh'
                    },
                    {
                        amount: 0.5,
                        address: 'yT734aAw1CdD7z5PGQKy3SFfpyR8ZBmQyf'
                    }
                ]
            });

            localStorage.setItem('data', JSON.stringify(data));
        }

        qr.src = data.qr;

        window.bip70.poll(data.poll, '/unlocked-content');
    }

    temp();
</script>