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eth/catalyst: update simulated beacon for cancun (#28829)

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* eth/catalyst: update simulated beacon for cancun

* validate blob hashes

* compute hashes from commitment

* fix beacon root and payload version

* check commitment conversion

* fix random attr

* flip dev to cancun
This commit is contained in:
Sina Mahmoodi 2024-02-29 13:17:32 +01:00 committed by buddh0
parent 09b469f0bf
commit c170814596
2 changed files with 19 additions and 3 deletions
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21
eth/catalyst/simulated_beacon.go
View File

@ -18,6 +18,7 @@ package catalyst
import (
"crypto/rand"
"crypto/sha256"
"errors"
"math/big"
"sync"
@ -27,6 +28,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/txpool"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto/kzg4844"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
@ -161,14 +163,14 @@ func (c *SimulatedBeacon) sealBlock(withdrawals []*types.Withdrawal, timestamp u
SuggestedFeeRecipient: feeRecipient,
Withdrawals: withdrawals,
Random: random,
}, engine.PayloadV2, true)
BeaconRoot: &common.Hash{},
}, engine.PayloadV3, true)
if err != nil {
return err
}
if fcResponse == engine.STATUS_SYNCING {
return errors.New("chain rewind prevented invocation of payload creation")
}
envelope, err := c.engineAPI.getPayload(*fcResponse.PayloadID, true)
if err != nil {
return err
@ -186,8 +188,21 @@ func (c *SimulatedBeacon) sealBlock(withdrawals []*types.Withdrawal, timestamp u
}
}
// Independently calculate the blob hashes from sidecars.
blobHashes := make([]common.Hash, 0)
if envelope.BlobsBundle != nil {
hasher := sha256.New()
for _, commit := range envelope.BlobsBundle.Commitments {
var c kzg4844.Commitment
if len(commit) != len(c) {
return errors.New("invalid commitment length")
}
copy(c[:], commit)
blobHashes = append(blobHashes, kzg4844.CalcBlobHashV1(hasher, &c))
}
}
// Mark the payload as canon
if _, err = c.engineAPI.NewPayloadV2(*payload); err != nil {
if _, err = c.engineAPI.NewPayloadV3(*payload, blobHashes, &common.Hash{}); err != nil {
return err
}
c.setCurrentState(payload.BlockHash, finalizedHash)

1
params/config.go
View File

@ -314,6 +314,7 @@ var (
ArrowGlacierBlock: big.NewInt(0),
GrayGlacierBlock: big.NewInt(0),
ShanghaiTime: newUint64(0),
CancunTime: newUint64(0),
TerminalTotalDifficulty: big.NewInt(0),
TerminalTotalDifficultyPassed: true,
}