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EIP-5656: MCOPY opcode support#4991

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GheisMohammadi wants to merge 2 commits intodevfrom
eip/5656
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EIP-5656: MCOPY opcode support#4991
GheisMohammadi wants to merge 2 commits intodevfrom
eip/5656

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Implements EIP-5656 MCOPY opcode (0x5e) for efficient memory copying. Includes opcode implementation, gas/memory calculations, epoch configuration (TBD for all networks), and automatic enabling when epoch is reached.

@GheisMohammadi GheisMohammadi self-assigned this Jan 5, 2026
@GheisMohammadi GheisMohammadi changed the title Add EIP-5656 MCOPY opcode support EIP-5656: MCOPY opcode support Jan 29, 2026
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