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fix: stmgr: copy the message before modifying it #10258

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Feb 14, 2023
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fix: stmgr: copy the message before modifying it #10258

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4 changes: 4 additions & 0 deletions chain/stmgr/call.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,10 @@ var ErrExpensiveFork = errors.New("refusing explicit call due to state fork at e
// tipset's parent. In the presence of null blocks, the height at which the message is invoked may
// be less than the specified tipset.
func (sm *StateManager) Call(ctx context.Context, msg *types.Message, ts *types.TipSet) (*api.InvocResult, error) {
// Copy the message as we modify it below.
msgCopy := *msg
msg = &msgCopy

if msg.GasLimit == 0 {
msg.GasLimit = build.BlockGasLimit
}
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