There is a problem with calling permissions between contracts, "Note: The called function should be payable if you send value and the value you send should be less than your current balance."
More blockchain technology and application classification:
Blockchain applicationBlockchain development
Ethernet Square | Fabric | BCOS | cryptography | consensus algorithm | bitcoin | Other chain
Token Economy | Traditional Financial Scenarios | Decentralized Finance | Anti-counterfeiting Traceability | Data Sharing | Trusted Deposit
Note: The called function should be payable if you send value and the value you send should be less than your current balance.
the reason:
The problem of calling permissions between contracts is solved based on the calling contract granting the calling contract permissions.
Original link: The issue of calling permissions between contracts