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Fix simulation immutable #232

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Fix simulation immutable #232

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b6cc2ee
replace code on wallet implementation address
nachopiris Mar 17, 2025
82da1b4
fix
nachopiris Mar 18, 2025
d3b4f4c
check implementation address not in overrides
nachopiris Mar 18, 2025
9f4c4a0
fix last added condition
nachopiris Mar 18, 2025
53d82c1
last fix
nachopiris Mar 18, 2025
7269ee4
remove comment
nachopiris Mar 18, 2025
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23 changes: 19 additions & 4 deletions estimator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -603,19 +603,34 @@ func V2Simulate(provider *ethrpc.Provider, wallet common.Address, transactions T
Data: hexutil.Encode(callData),
}

addrToOverride := wallet

var storageValue string
rpcCall := ethrpc.NewCallBuilder[string]("eth_getStorageAt", nil, wallet.Hex(), common.BytesToHash(common.LeftPadBytes(wallet.Bytes(), 32)).Hex(), block)
_, err = provider.Do(context.Background(), rpcCall.Into(&storageValue))
if err != nil {
return nil, err
}

impAddr := common.BytesToAddress(common.FromHex(storageValue)[12:])

if impAddr != (common.Address{}) {
addrToOverride = impAddr
}

allOverrides := map[common.Address]*CallOverride{
wallet: {Code: walletGasEstimatorCodeV2},
addrToOverride: {Code: walletGasEstimatorCodeV2},
}
for address, override := range overrides {
if address == wallet {
return nil, fmt.Errorf("cannot override wallet address %v", wallet.Hex())
if address == addrToOverride || address == wallet {
return nil, fmt.Errorf("cannot override wallet or implementation address %v", addrToOverride.Hex())
}

allOverrides[address] = override
}

var response string
rpcCall := ethrpc.NewCallBuilder[string]("eth_call", nil, params, block, allOverrides)
rpcCall = ethrpc.NewCallBuilder[string]("eth_call", nil, params, block, allOverrides)
_, err = provider.Do(context.Background(), rpcCall.Into(&response))
if err != nil {
return nil, err
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