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core/types: simplify blob tx sidecar encoding

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This commit is contained in:
Felix Lange 2024-02-08 12:17:46 +01:00
parent 51cdfd184e
commit 34afde7bf2
1 changed files with 9 additions and 17 deletions
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26
core/types/transaction_marshalling.go
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@ -23,6 +23,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/crypto/kzg4844"
"github.com/holiman/uint256"
)
@ -47,14 +48,13 @@ type txJSON struct {
S *hexutil.Big `json:"s"`
YParity *hexutil.Uint64 `json:"yParity,omitempty"`
// Blob transaction sidecar encoding:
Blobs []kzg4844.Blob `json:"blobs,omitempty"`
Commitments []kzg4844.Commitment `json:"commitments,omitempty"`
Proofs []kzg4844.Proof `json:"proofs,omitempty"`
// Only used for encoding:
Hash common.Hash `json:"hash"`
// Only used for eth_fillTransaction ing a
// blob transaction.
Blobs []hexutil.Bytes `json:"blobs,omitempty"`
Commitments []hexutil.Bytes `json:"commitments,omitempty"`
Proofs []hexutil.Bytes `json:"proofs,omitempty"`
}
// yParityValue returns the YParity value from JSON. For backwards-compatibility reasons,
@ -149,17 +149,9 @@ func (tx *Transaction) MarshalJSON() ([]byte, error) {
yparity := itx.V.Uint64()
enc.YParity = (*hexutil.Uint64)(&yparity)
if sidecar := itx.Sidecar; sidecar != nil {
if len(sidecar.Blobs) != len(sidecar.Commitments) && len(sidecar.Blobs) != len(sidecar.Proofs) {
return nil, errors.New("blob fields count mismatch")
}
enc.Blobs = make([]hexutil.Bytes, len(sidecar.Blobs))
enc.Commitments = make([]hexutil.Bytes, len(sidecar.Commitments))
enc.Proofs = make([]hexutil.Bytes, len(sidecar.Proofs))
for i, b := range sidecar.Blobs {
enc.Blobs[i] = b[:]
enc.Commitments[i] = sidecar.Commitments[i][:]
enc.Proofs[i] = sidecar.Proofs[i][:]
}
enc.Blobs = itx.Sidecar.Blobs
enc.Commitments = itx.Sidecar.Commitments
enc.Proofs = itx.Sidecar.Proofs
}
}
return json.Marshal(&enc)