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authorMartin Holst Swende <martin@swende.se>2018-02-21 22:10:18 +0800
committerPéter Szilágyi <peterke@gmail.com>2018-02-21 22:10:18 +0800
commitb585f761283957dcd1783a134449a01423145df3 (patch)
treea830c3a68a4bb43ba8e00e1989d5dd94d229ad4f /internal
parent14c76371bab105a99c796a652df86df3e3e7d958 (diff)
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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
Diffstat (limited to 'internal')
-rw-r--r--internal/ethapi/api.go12
1 files changed, 12 insertions, 0 deletions
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 314086335..636d0bfe2 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1135,6 +1135,18 @@ func (args *SendTxArgs) setDefaults(ctx context.Context, b Backend) error {
if args.Data != nil && args.Input != nil && !bytes.Equal(*args.Data, *args.Input) {
return errors.New(`Both "data" and "input" are set and not equal. Please use "input" to pass transaction call data.`)
}
+ if args.To == nil {
+ // Contract creation
+ var input []byte
+ if args.Data != nil {
+ input = *args.Data
+ } else if args.Input != nil {
+ input = *args.Input
+ }
+ if len(input) == 0 {
+ return errors.New(`contract creation without any data provided`)
+ }
+ }
return nil
}