eth/tracers: prestate lookup EIP7702 delegation account #32080 #1828
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In many cases, there is a need to create somewhat nontrivial bytecode. A recent example is the verkle statetests, where we want a `CREATE2`- op to create a contract, which can then be invoked, and when invoked does a selfdestruct-to-self. It is overkill to go full solidity, but it is also a bit tricky do assemble this by concatenating bytes. This PR takes an approach that has been used in in goevmlab for several years. Using this utility, the case can be expressed as: ```golang // Some runtime code runtime := program.New().Ops(vm.ADDRESS, vm.SELFDESTRUCT).Bytecode() // A constructor returning the runtime code initcode := program.New().ReturnData(runtime).Bytecode() // A factory invoking the constructor outer := program.New().Create2AndCall(initcode, nil).Bytecode() ``` We have a lot of places in the codebase where we concatenate bytes, cast from `vm.OpCode` . By taking tihs approach instead, thos places can be made a bit more maintainable/robust.
Implement ethereum#32078 Parse and lookup the delegation account if EIP7702 is enabled. --------- Signed-off-by: jsvisa <[email protected]>
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gzliudan
requested review from
AnilChinchawale,
benjamin202410,
liam-lai and
wanwiset25
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wanwiset25
approved these changes
Dec 3, 2025
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Proposed changes
Ref: ethereum#32080
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