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cmd: implement abidump (#19958)

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* abidump: implement abi dump command

* cmd/abidump: add license
This commit is contained in:
Martin Holst Swende
2020-01-21 15:51:36 +01:00
committed by Guillaume Ballet
parent 31baf3a9af
commit 33c56ebc67
3 changed files with 79 additions and 5 deletions
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2
signer/fourbyte/abi.go
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@ -137,7 +137,7 @@ func parseCallData(calldata []byte, abidata string) (*decodedCallData, error) {
}
values, err := method.Inputs.UnpackValues(argdata)
if err != nil {
return nil, err
return nil, fmt.Errorf("signature %q matches, but arguments mismatch: %v", method.String(), err)
}
// Everything valid, assemble the call infos for the signer
decoded := decodedCallData{signature: method.Sig(), name: method.RawName}

8
signer/fourbyte/validation.go
View File

@ -74,13 +74,13 @@ func (db *Database) ValidateTransaction(selector *string, tx *core.SendTxArgs) (
messages.Crit("Transaction recipient is the zero address")
}
// Semantic fields validated, try to make heads or tails of the call data
db.validateCallData(selector, data, messages)
db.ValidateCallData(selector, data, messages)
return messages, nil
}
// validateCallData checks if the ABI call-data + method selector (if given) can
// ValidateCallData checks if the ABI call-data + method selector (if given) can
// be parsed and seems to match.
func (db *Database) validateCallData(selector *string, data []byte, messages *core.ValidationMessages) {
func (db *Database) ValidateCallData(selector *string, data []byte, messages *core.ValidationMessages) {
// If the data is empty, we have a plain value transfer, nothing more to do
if len(data) == 0 {
return
@ -110,7 +110,7 @@ func (db *Database) validateCallData(selector *string, data []byte, messages *co
return
}
if info, err := verifySelector(embedded, data); err != nil {
messages.Warn(fmt.Sprintf("Transaction contains data, but provided ABI signature could not be varified: %v", err))
messages.Warn(fmt.Sprintf("Transaction contains data, but provided ABI signature could not be verified: %v", err))
} else {
messages.Info(info.String())
}