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internal/ethapi: fix panic in accesslist creation #23225

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merged 4 commits into from Jul 28, 2021
+8 −3
Merged

internal/ethapi: fix panic in accesslist creation #23225

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f8c0d40
internal/ethapi: revert + fix properly in al tracer
MariusVanDerWijden Jul 16, 2021
115af3c
internal/ethapi: use toMessage instead of creating new message
MariusVanDerWijden Jul 19, 2021
3bc7322
internal/ethapi: remove ineffassign
holiman Jul 27, 2021
6376c75
core: fix invalid unmarshalling, fix test
MariusVanDerWijden Jul 27, 2021
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2 changes: 1 addition & 1 deletion core/vm/access_list_tracer.go
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Expand Up @@ -96,7 +96,7 @@ func (al accessList) equal(other accessList) bool {
func (al accessList) accessList() types.AccessList {
acl := make(types.AccessList, 0, len(al))
for addr, slots := range al {
tuple := types.AccessTuple{Address: addr}
tuple := types.AccessTuple{Address: addr, StorageKeys: []common.Hash{}}
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This fixes an issue where sometimes the AL tracer would produce an accesslist with nil StorageKeys. This would then fail the marshaling/unmarshaling

for slot := range slots {
tuple.StorageKeys = append(tuple.StorageKeys, slot)
}
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2 changes: 1 addition & 1 deletion ethclient/gethclient/gethclient_test.go
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Expand Up @@ -138,7 +138,7 @@ func testAccessList(t *testing.T, client *rpc.Client) {
From: testAddr,
To: &common.Address{},
Gas: 21000,
GasPrice: big.NewInt(1),
GasPrice: big.NewInt(765625000),
Value: big.NewInt(1),
}
al, gas, vmErr, err := ec.CreateAccessList(context.Background(), msg)
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7 changes: 6 additions & 1 deletion internal/ethapi/api.go
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Expand Up @@ -1441,7 +1441,12 @@ func AccessList(ctx context.Context, b Backend, blockNrOrHash rpc.BlockNumberOrH
}
// Copy the original db so we don't modify it
statedb := db.Copy()
msg := types.NewMessage(args.from(), args.To, uint64(*args.Nonce), args.Value.ToInt(), uint64(*args.Gas), args.GasPrice.ToInt(), big.NewInt(0), big.NewInt(0), args.data(), accessList, false)
// Set the accesslist to the last al
args.AccessList = &accessList
msg, err := args.ToMessage(b.RPCGasCap(), header.BaseFee)
if err != nil {
return nil, 0, nil, err
}

// Apply the transaction with the access list tracer
tracer := vm.NewAccessListTracer(accessList, args.from(), to, precompiles)
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