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signer/core: EIP-712 encoded data should not reject a Domain without a ChainId (#21306)

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* Do not check for a non-nil ChainId

* Add encoding test
This commit is contained in:
Natsu Kagami 2020-08-03 13:30:32 +00:00 committed by GitHub
parent 290d6bd903
commit b2b14e6ce3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 5 deletions
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6
signer/core/signed_data.go
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@ -965,11 +965,7 @@ func isPrimitiveTypeValid(primitiveType string) bool {
// validate checks if the given domain is valid, i.e. contains at least
// the minimum viable keys and values
func (domain *TypedDataDomain) validate() error {
if domain.ChainId == nil {
return errors.New("chainId must be specified according to EIP-155")
}
if len(domain.Name) == 0 && len(domain.Version) == 0 && len(domain.VerifyingContract) == 0 && len(domain.Salt) == 0 {
if domain.ChainId == nil && len(domain.Name) == 0 && len(domain.Version) == 0 && len(domain.VerifyingContract) == 0 && len(domain.Salt) == 0 {
return errors.New("domain is undefined")
}

8
signer/core/signed_data_test.go
View File

@ -245,6 +245,10 @@ func TestDomainChainId(t *testing.T) {
if _, ok := withoutChainID.Domain.Map()["chainId"]; ok {
t.Errorf("Expected the chainId key to not be present in the domain map")
}
// should encode successfully
if _, err := withoutChainID.HashStruct("EIP712Domain", withoutChainID.Domain.Map()); err != nil {
t.Errorf("Expected the typedData to encode the domain successfully, got %v", err)
}
withChainID := core.TypedData{
Types: core.Types{
"EIP712Domain": []core.Type{
@ -261,6 +265,10 @@ func TestDomainChainId(t *testing.T) {
if _, ok := withChainID.Domain.Map()["chainId"]; !ok {
t.Errorf("Expected the chainId key be present in the domain map")
}
// should encode successfully
if _, err := withChainID.HashStruct("EIP712Domain", withChainID.Domain.Map()); err != nil {
t.Errorf("Expected the typedData to encode the domain successfully, got %v", err)
}
}
func TestHashStruct(t *testing.T) {