Smart Contract Language & ABI Evolution Workbench

1. Interface Grammar & Hardfork Target

Source Contract Dialect

Target Hard Fork

ABI Function Signature Grammar

To (address)

Amount (uint256 wei)

Deadline (uint256 timestamp)

Signature (bytes hex)

Computed Keccak-256 Function Selector

0xd5051877

2. ABI Layout & Opcode Diff Visualization

ABI Schema Memory Offsets (D3 Visualization)

Full ABI Encoded Payload Hex

0xd505187700000000000000000000000011111111111111111111111111111111111111110000000000000000000000000000000000000000000000000de0b6b3a7640000

Protocol Hard Fork Opcode Diffs

+ PUSH0 (0x5f) + MCOPY (0x5e) + TSTORE (0x5d) + TLOAD (0x5c)