Fully automated perforating gun

A system configured for use in a wellbore, the system comprising:

• a first perforating gun including,
• a gun body having a first end and a second end,
• a single detonator housed within the gun body and accessible via the first end of the gun body,
• a detonator receptacle disposed within the gun body at the second end of the gun body, wherein a detonation cord is accessible via the detonator receptacle, and
• one or more explosive charges housed within the gun body between the single detonator and the detonator receptacle,
• wherein the first perforating gun is configured to transition from an unarmed state to an armed state without movement of any internal component within the gun body;
• and
• a second perforating gun configured to couple with the first perforating gun, wherein the detonator receptacle of the first perforating gun is configured to receive a detonator from the second perforating gun.