forked from cerc-io/plugeth
accounts,signer: better support for EIP-191 intended validator (#19523)
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@ -36,7 +36,7 @@ type Account struct {
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}
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const (
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MimetypeTextWithValidator = "text/validator"
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MimetypeDataWithValidator = "data/validator"
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MimetypeTypedData = "data/typed"
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MimetypeClique = "application/x-clique-header"
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MimetypeTextPlain = "text/plain"
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@ -46,8 +46,8 @@ type SigFormat struct {
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}
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var (
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TextValidator = SigFormat{
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accounts.MimetypeTextWithValidator,
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IntendedValidator = SigFormat{
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accounts.MimetypeDataWithValidator,
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0x00,
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}
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DataTyped = SigFormat{
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@ -191,7 +191,7 @@ func (api *SignerAPI) determineSignatureFormat(ctx context.Context, contentType
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}
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switch mediaType {
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case TextValidator.Mime:
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case IntendedValidator.Mime:
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// Data with an intended validator
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validatorData, err := UnmarshalValidatorData(data)
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if err != nil {
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@ -200,9 +200,24 @@ func (api *SignerAPI) determineSignatureFormat(ctx context.Context, contentType
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sighash, msg := SignTextValidator(validatorData)
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message := []*NameValueType{
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{
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Name: "message",
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Typ: "text",
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Value: msg,
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Name: "This is a request to sign data intended for a particular validator (see EIP 191 version 0)",
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Typ: "description",
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Value: "",
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},
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{
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Name: "Intended validator address",
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Typ: "address",
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Value: validatorData.Address.String(),
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},
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{
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Name: "Application-specific data",
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Typ: "hexdata",
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Value: validatorData.Message,
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},
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{
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Name: "Full message for signing",
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Typ: "hexdata",
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Value: fmt.Sprintf("0x%x", msg),
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},
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}
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req = &SignDataRequest{ContentType: mediaType, Rawdata: []byte(msg), Message: message, Hash: sighash}
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@ -275,7 +290,6 @@ func (api *SignerAPI) determineSignatureFormat(ctx context.Context, contentType
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// hash = keccak256("\x19\x00"${address}${data}).
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func SignTextValidator(validatorData ValidatorData) (hexutil.Bytes, string) {
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msg := fmt.Sprintf("\x19\x00%s%s", string(validatorData.Address.Bytes()), string(validatorData.Message))
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fmt.Printf("SignTextValidator:%s\n", msg)
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return crypto.Keccak256([]byte(msg)), msg
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}
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