Provider Authorization

Alchemy

1. Login to Alchemy.
2. Navigate to Apps.
3. Copy the key.
4. Contents of CARTESI_BLOCKCHAIN_HTTP_AUTHORIZATION will have the form: Authorization:Bearer PROJECT_KEY_CONTENTS

ref. https://www.alchemy.com/docs/how-to-use-api-keys-in-http-headers

Google

1. Login to Google cloud.
2. Access the project credentials page.
3. Copy the key.
4. Contents of CARTESI_BLOCKCHAIN_HTTP_AUTHORIZATION will have the form: X-goog-api-key:PROJECT_KEY_CONTENTS

Metamask/Infura

1. Login to Metamask / Infura
2. Select the API key, then configure
3. Copy the key.
4. encode as base64. eg. RESULT=$(echo -n ':PROJECT_KEY_CONTENTS' | base64).
5. Contents of CARTESI_BLOCKCHAIN_HTTP_AUTHORIZATION will have the form: Authorization:Basic RESULT_CONTENTS