ApiPromise Examples
Here you will find a list of examples that takes you through the basics of connecting to a local node, retrieving data from the Node and chain and execute transactions on the chain. It uses the [[ApiPromise]] interface.
Prerequisites#
For the following examples, you need a local node. It is usually convenient testing with:
Running the examples#
From each folder, run yarn to install the required dependencies and then run yarn start to execute the example against the running node.
Development accounts#
Some of the examples use the following accounts:
- Alice:
5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY - Bob:
5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty
Those accounts are easy to add if you don't have/see them. The seed of Alice's account is //Alice (via keyring.addUri(...), dev seed implied) and the seed of Bob is... well you guess...