ethapi: prevent creating contract if no data is provided (#16108)
* ethapi: prevent creating contract if no data is provided * internal/ethapi: downcase error for no data on contract creation
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@ -1135,6 +1135,18 @@ func (args *SendTxArgs) setDefaults(ctx context.Context, b Backend) error {
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if args.Data != nil && args.Input != nil && !bytes.Equal(*args.Data, *args.Input) {
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return errors.New(`Both "data" and "input" are set and not equal. Please use "input" to pass transaction call data.`)
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}
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if args.To == nil {
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// Contract creation
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var input []byte
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if args.Data != nil {
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input = *args.Data
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} else if args.Input != nil {
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input = *args.Input
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}
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if len(input) == 0 {
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return errors.New(`contract creation without any data provided`)
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}
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}
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return nil
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}
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