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There is example how to use Alice predefined account to run

./target/release/parachain-template-node \
--alice \
--collator \
--force-authoring \
--chain raw-parachain-chainspec.json \
--base-path /tmp/parachain/alice \
--port 40333 \
--ws-port 8844 \
-- \
--execution wasm \
--chain ../polkadot/raw-local-chainspec.json \
--port 30343 \
--ws-port 9977

How to specify my custom sercet-key or seed phrase?

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  • Dupe of substrate.stackexchange.com/questions/4477/how-to-use-node-key Please refer to the answers contained on this link.
    – Bernardo Rodrigues
    Commented Dec 11, 2022 at 3:11
  • 1
    @BernardoRodrigues afaik the node-key is always ed25519 but when I look at the chain spec I see a function get_collator_keys_from_seed which has a single line : get_from_seed::<AuraId>(seed). I am confused, when we use the --alice option, is this function being called as the name would suggest get_collator_keys_from_seed ? If yes, I should expect the node-key to expect a sr25519 key but when I used //Alice's sr25519 key instead, the node errored out with cannot parse as ed25519. So where does the ed25519 key live/get inserted when using --alice option ?
    – Purple_Turtle
    Commented Dec 11, 2022 at 18:58

1 Answer 1

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The custom key you need to add for collator is Aura key, which is of format sr25519, which are already defined in the chain_spec.rs of parachain-template for Alice and Bob, what you need to do is to add the sr25519 in the customSpec.json of the parachain node for custom collator and add it via the insert_key rpc to the node. You can also refer to this How to properly set session keys for Relay and Parachain with custom keys

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