Juicebox V5 vs V5.1 Contract Separation

Problem

Juicebox has two contract versions: V5 (original) and V5.1 (upgraded). When contracts have both versions, mixing them causes transactions to fail. A project using JBController5_1 MUST use JBMultiTerminal5_1, not the V5 terminal.

Context / Trigger Conditions

• Deploying new projects or terminals
• Transactions failing with "invalid terminal" or permission errors
• Querying rulesets returns unexpected data
• Paying a project fails despite correct addresses
• Determining which contracts to use for a given project

Solution

The Rule