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beacon/light/api: use types.ExecutionHeader

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This commit is contained in:
Felix Lange 2024-03-13 23:07:01 +01:00
parent 27088a9c29
commit 63471ba7cc
1 changed files with 18 additions and 7 deletions
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21
beacon/light/api/light_api.go
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@ -30,7 +30,6 @@ import (
"github.com/ethereum/go-ethereum/beacon/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/protolambda/zrnt/eth2/beacon/capella"
)
var (
@ -67,7 +66,7 @@ type jsonBeaconHeader struct {
type jsonHeaderWithExecProof struct {
Beacon types.Header `json:"beacon"`
Execution *capella.ExecutionPayloadHeader `json:"execution"`
Execution json.RawMessage `json:"execution"`
ExecutionBranch merkle.Values `json:"execution_branch"`
}
@ -243,6 +242,7 @@ func (api *BeaconLightApi) GetFinalityUpdate() (types.FinalityUpdate, error) {
func decodeFinalityUpdate(enc []byte) (types.FinalityUpdate, error) {
var data struct {
Data struct {
Version string `json:"version"`
Attested jsonHeaderWithExecProof `json:"attested_header"`
Finalized jsonHeaderWithExecProof `json:"finalized_header"`
FinalityBranch merkle.Values `json:"finality_branch"`
@ -253,22 +253,33 @@ func decodeFinalityUpdate(enc []byte) (types.FinalityUpdate, error) {
if err := json.Unmarshal(enc, &data); err != nil {
return types.FinalityUpdate{}, err
}
if len(data.Data.Aggregate.Signers) != params.SyncCommitteeBitmaskSize {
return types.FinalityUpdate{}, errors.New("invalid sync_committee_bits length")
}
if len(data.Data.Aggregate.Signature) != params.BLSSignatureSize {
return types.FinalityUpdate{}, errors.New("invalid sync_committee_signature length")
}
// Decode the execution payload headers.
fork := data.Data.Version
attestedExecHeader, err := types.ExecutionHeaderFromJSON(fork, data.Data.Attested.Execution)
if err != nil {
return types.FinalityUpdate{}, fmt.Errorf("invalid attested header: %v", err)
}
finalizedExecHeader, err := types.ExecutionHeaderFromJSON(fork, data.Data.Finalized.Execution)
if err != nil {
return types.FinalityUpdate{}, fmt.Errorf("invalid finalized header: %v", err)
}
return types.FinalityUpdate{
Attested: types.HeaderWithExecProof{
Header: data.Data.Attested.Beacon,
PayloadHeader: data.Data.Attested.Execution,
PayloadHeader: attestedExecHeader,
PayloadBranch: data.Data.Attested.ExecutionBranch,
},
Finalized: types.HeaderWithExecProof{
Header: data.Data.Finalized.Beacon,
PayloadHeader: data.Data.Finalized.Execution,
PayloadHeader: finalizedExecHeader,
PayloadBranch: data.Data.Finalized.ExecutionBranch,
},
FinalityBranch: data.Data.FinalityBranch,