4. User signs up

• Sign up user's semaphore identity with identity commitment with the prefix Unirep.identityCommitment.

npx ts-node cli/index.ts userSignUp \
    -x $UNIREP_CONTRACT_ADDRESS  \
    -d $USER_PRIVATE_KEY \
    -c $IDENTITY_COMMITMENT

NOTE:

-x is the contract address of Unirep contract

-c is the identity commitment

See: cli/userSignUp for more userSignUp options.