hedera-json-rpc-relay
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feat(cancun): Cancun should be tested E2E from the relay POV
With the Cancun upgrade (targeted: services 0.50) there should be end-to-end tests of (some of the) Cancun functionality from the relay POV.
Obviously Ethereum type 3 transactions (containing "blobs") need to be rejected as mentioned in #2390 .
But there could also be tests that Cancun functionality can be used: E.g., a contract using transient storage will work (instead of fail with invalid opcode).
See HIPs 865, 866, 867, and 868 for the scope of Cancun.
See related issue #725 in the smart contracts repo.