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send Eth-Blob-Data-Included on envelope submission #45

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Merged
pk910 merged 1 commit into from
Jul 31, 2026
+10 −7
Merged

send Eth-Blob-Data-Included on envelope submission #45

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17 changes: 10 additions & 7 deletions http/submitexecutionpayloadenvelope.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,10 +33,10 @@ import (
// SubmitExecutionPayloadEnvelope submits a signed execution payload envelope
// using the stateless request form: a SignedExecutionPayloadEnvelopeContents
// body (signed envelope plus blobs and KZG proofs) with the
// Eth-Execution-Payload-Blinded header set to false. The stateful/blinded
// form only works when the beacon node cached the full envelope from its own
// block production, so builders publishing externally-built payloads must use
// the stateless form.
// Eth-Blob-Data-Included header set to true. The stateful form (bare
// envelope, header false) only works when the beacon node cached the blobs
// and KZG proofs from its own block production, so builders publishing
// externally-built payloads must use the stateless form.
func (s *Service) SubmitExecutionPayloadEnvelope(ctx context.Context,
opts *api.SubmitExecutionPayloadEnvelopeOpts,
) error {
Expand Down Expand Up @@ -136,9 +136,12 @@ func (s *Service) postExecutionPayloadEnvelope(ctx context.Context,

headers := make(map[string]string)
headers["Eth-Consensus-Version"] = strings.ToLower(consensusVersion.String())
// Always the stateless form: header "false" selects the Contents body
// schema. Strict consensus clients reject the request when the header is
// missing.
// Always the stateless form: Eth-Blob-Data-Included "true" selects the
// Contents body schema (beacon-APIs#624); strict consensus clients reject
// the request when the header is missing. The pre-#624 discriminator
// (Eth-Execution-Payload-Blinded "false" = Contents) is still sent for
// beacon nodes that have not adopted the rename yet.
headers["Eth-Blob-Data-Included"] = "true"
headers["Eth-Execution-Payload-Blinded"] = "false"

if _, err := s.post(ctx, endpoint, query, common, bytes.NewBuffer(body), contentType, headers); err != nil {
Expand Down
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