I'm following this tutorial. My local node seems to run fine but I can't deploy. The "Next" button is greyed out and there is no message that says what's wrong. What am I missing?

Contracts-UI Contracts-UI

Local node node logs node logs

1 Answer 1


Looks like you are using the substrate node template repo. Try to use the substrate-contracts-node instead.

Install and run the node

  • Clone the repo: git clone https://github.com/paritytech/substrate-contracts-node.git
  • Checkout version v0.17: git checkout v0.17.0
  • There seem to be an issue with the --git flag in Cargo so I would recommend to clone the repo and use the cargo install --path ./node/ --locked command instead.
  • run the node with the following command: substrate-contracts-node --dev

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