[CHIA-3893] new opcodes for secp operators

[arvidn]

After the 3.0 hard fork activates, this will enable single-byte op-codes for the Secp operators.

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Note

Medium Risk
Changes opcode dispatch in the CLVM dialect for secp verification; while gated by a new flag and covered by tests, it affects consensus-adjacent execution behavior when enabled.

Overview
Adds a new hard-fork-gated flag, ClvmFlags::ENABLE_SECP_OPS, to enable single-byte opcodes 64 and 65 that map to secp256k1_verify and secp256r1_verify in ChiaDialect.

Updates test parsing/dispatch to recognize secp256k1_verify_64 and secp256r1_verify_65, adds runtime tests covering enabled vs. unimplemented behavior, and exposes the new flag to the Python wheel API as ENABLE_SECP_OPS.

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[coveralls-official]

Pull Request Test Coverage Report for Build 21992928996

Details

• 5 of 5 (100.0%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.007%) to 90.44%

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Totals
Change from base Build 21987151393:	0.007%
Covered Lines:	6641
Relevant Lines:	7343

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💛 - Coveralls