NEO NEP 9 QR Code Server(less)

This is a dynamic PNG image service for creating NEO NEP9 compliant QR codes. The service runs is meant to run on AWS lambdas with serverless.

The image service url format is exact to the NEP9 standard, and replaces the neo: prefix with https://nep9.o3.network/. You can provide any combination of address and parameters to the service, and it will return a PNG image resource back to you.

This service is meant to be used wherever any of the available packages are not able to be run, or you would like to easily share these QR codes over chat of social media.

Address only example:

https://nep9.o3.network/AR8rRBxgWw5siKsp1dUmfTLy6QQTjcqoqB

Will return you the QR code containing the NEP9 formatted URI:

neo:AR8rRBxgWw5siKsp1dUmfTLy6QQTjcqoqB

Address and asset example

NEO and GAS can be written as shorthand symbols, where as NEP5 tokens must be specified as their assetIDs (contract hash)

https://nep9.o3.network/AR8rRBxgWw5siKsp1dUmfTLy6QQTjcqoqB?asset=ceab719b8baa2310f232ee0d277c061704541cfb

Will return you the QR code containing the NEP9 formatted URI:

neo:AR8rRBxgWw5siKsp1dUmfTLy6QQTjcqoqB?asset=ceab719b8baa2310f232ee0d277c061704541cfb

Address, asset, and amount example

https://nep9.o3.network/AR8rRBxgWw5siKsp1dUmfTLy6QQTjcqoqB?asset=gas&amount=3.33333

Will return you the QR code containing the NEP9 formatted URI:

neo:AR8rRBxgWw5siKsp1dUmfTLy6QQTjcqoqB?asset=gas&amount=3.33333

Installation

npm install

Build

Compile the library from /src to /lib/index.js

npm run build

Deploy

Assuming you already have serverless installed and configured with AWS

serverless deploy