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core/vm, params: ensure order of forks, prevent overflow #29023

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Feb 19, 2024
+13 −6
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core/vm, params: ensure order of forks, prevent overflow #29023

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7 changes: 6 additions & 1 deletion core/vm/operations_acl.go
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Original file line number Diff line number Diff line change
Expand Up @@ -187,7 +187,12 @@ func makeCallVariantGasCallEIP2929(oldCalculator gasFunc) gasFunc {
// outside of this function, as part of the dynamic gas, and that will make it
// also become correctly reported to tracers.
contract.Gas += coldCost
return gas + coldCost, nil

var overflow bool
if gas, overflow = math.SafeAdd(gas, coldCost); overflow {
return 0, ErrGasUintOverflow
}
return gas, nil
}
}

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2 changes: 1 addition & 1 deletion internal/ethapi/api_test.go
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Expand Up @@ -1818,6 +1818,7 @@ func setupReceiptBackend(t *testing.T, genBlocks int) (*testBackend, []common.Ha
tx *types.Transaction
err error
)
b.SetPoS()
switch i {
case 0:
// transfer 1000wei
Expand Down Expand Up @@ -1866,7 +1867,6 @@ func setupReceiptBackend(t *testing.T, genBlocks int) (*testBackend, []common.Ha
b.AddTx(tx)
txHashes[i] = tx.Hash()
}
b.SetPoS()
})
return backend, txHashes
}
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10 changes: 6 additions & 4 deletions params/config.go
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Expand Up @@ -910,6 +910,8 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
if chainID == nil {
chainID = new(big.Int)
}
// disallow setting Merge out of order
isMerge = isMerge && c.IsLondon(num)
return Rules{
ChainID: new(big.Int).Set(chainID),
IsHomestead: c.IsHomestead(num),
Expand All @@ -923,9 +925,9 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
IsBerlin: c.IsBerlin(num),
IsLondon: c.IsLondon(num),
IsMerge: isMerge,
IsShanghai: c.IsShanghai(num, timestamp),
IsCancun: c.IsCancun(num, timestamp),
IsPrague: c.IsPrague(num, timestamp),
IsVerkle: c.IsVerkle(num, timestamp),
IsShanghai: isMerge && c.IsShanghai(num, timestamp),
IsCancun: isMerge && c.IsCancun(num, timestamp),
IsPrague: isMerge && c.IsPrague(num, timestamp),
IsVerkle: isMerge && c.IsVerkle(num, timestamp),
}
}
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