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EIP-7708: ETH transfer logs #2873

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EIP-7708: ETH transfer logs #2873

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9fdd652
kproj/{evm,schedule}.md: implement eip-7708 eth transfer logs
anvacaru Jul 17, 2026
e526cab
rename log item + remove whitespaces
anvacaru Jul 24, 2026
d304134
tests/execution-spec-tests/failing.llvm: update failing fixtures
anvacaru Jul 24, 2026
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13 changes: 13 additions & 0 deletions kevm-pyk/src/kevm_pyk/kproj/evm-semantics/evm.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1102,9 +1102,22 @@ These are just used by the other operators for shuffling local execution state a
<balance> ORIGTO => ORIGTO +Word VALUE </balance>
...
</account>
<log> L => L #transferLogItem(SCHED, ACCTFROM, ACCTTO, VALUE) </log>
<schedule> SCHED </schedule>
requires ACCTFROM =/=K ACCTTO andBool VALUE <=Int ORIGFROM
[preserves-definedness]

syntax Int ::= "#transferEventTopic" [alias]
// --------------------------------------------
rule #transferEventTopic => 100389287136786176327247604509743168900146139575972864366142685224231313322991

syntax List ::= "#transferLogItem" "(" Schedule "," Int "," Int "," Int ")" [function, total]
// ---------------------------------------------------------------------------------------------
rule #transferLogItem(SCHED, ACCTFROM, ACCTTO, VALUE)
=> ListItem({ SYSTEM_ADDRESS | ListItem(#transferEventTopic) ListItem(ACCTFROM) ListItem(ACCTTO) | #padToWidth(32, #asByteStack(VALUE)) })
requires Ghaseip7708 << SCHED >> andBool VALUE =/=Int 0
rule #transferLogItem(_, _, _, _) => .List [owise]

rule <k> #transferFunds ACCTFROM _ACCTTO VALUE => #end EVMC_BALANCE_UNDERFLOW ... </k>
<account>
<acctID> ACCTFROM </acctID>
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9 changes: 6 additions & 3 deletions kevm-pyk/src/kevm_pyk/kproj/evm-semantics/schedule.md
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Expand Up @@ -31,8 +31,8 @@ module SCHEDULE
| "Ghaswarmcoinbase" | "Ghaswithdrawals" | "Ghastransient" | "Ghasmcopy"
| "Ghasbeaconroot" | "Ghaseip6780" | "Ghasblobbasefee" | "Ghasblobhash"
| "Ghasbls12msmdiscount" | "Ghashistory" | "Ghasrequests" | "Ghasauthority"
| "Ghasfloorcost" | "Ghasclz"
// -------------------------------------------------------------
| "Ghasfloorcost" | "Ghasclz" | "Ghaseip7708"
// ---------------------------------------------------------------------------------------
```

### Schedule Constants
Expand Down Expand Up @@ -183,6 +183,7 @@ A `ScheduleConst` is a constant determined by the fee schedule.
rule [GhasauthorityDefault]: Ghasauthority << DEFAULT >> => false
rule [GhasfloorcostDefault]: Ghasfloorcost << DEFAULT >> => false
rule [GhasclzDefault]: Ghasclz << DEFAULT >> => false
rule [Ghaseip7708Default]: Ghaseip7708 << DEFAULT >> => false
```

### Frontier Schedule
Expand Down Expand Up @@ -526,7 +527,9 @@ A `ScheduleConst` is a constant determined by the fee schedule.
orBool SCHEDCONST ==K Blobbasefeeupdatefraction
)

rule [SCHEDFLAGAmsterdam]: SCHEDFLAG << AMSTERDAM >> => SCHEDFLAG << OSAKA >>
rule [Ghaseip7708Amsterdam]: Ghaseip7708 << AMSTERDAM >> => true
rule [SCHEDFLAGAmsterdam]: SCHEDFLAG << AMSTERDAM >> => SCHEDFLAG << OSAKA >>
requires notBool ( SCHEDFLAG ==K Ghaseip7708 )
```

```k
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