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I have a contract which uses ink_env::ecdsa_recover() for signature verification. Though all the tests are passing, I am unable to deploy it on the local node using contracts-ui.

This is the error it's throwing:

module imports a non-existent function

What am I missing?

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  • What local node are you using ?
    – P.Ossun
    Commented May 5, 2022 at 13:05

1 Answer 1

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ink_env::ecdsa_recover() uses an unstable interface of the contracts pallet. Make sure to use the substrate-contracts-node which has unstable interfaces enabled by default.

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