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eth/catalyst: update simulated beacon for cancun #28829

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Merged
merged 10 commits into from
Feb 29, 2024
Merged

eth/catalyst: update simulated beacon for cancun #28829

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123a3e5
eth/catalyst: update simulated beacon for cancun
s1na Jan 17, 2024
adc10d2
validate blob hashes
s1na Jan 18, 2024
803dd9b
Merge branch 'master' into dev/cancun
s1na Jan 18, 2024
96dcc9e
resolve merge conflict
s1na Jan 26, 2024
dbfe2be
compute hashes from commitment
s1na Jan 26, 2024
b3c9b7e
Merge branch 'master' into dev/cancun
s1na Feb 22, 2024
4cc0f14
fix beacon root and payload version
s1na Feb 22, 2024
0c58f4a
check commitment conversion
s1na Feb 28, 2024
0b4adbc
fix random attr
s1na Feb 29, 2024
a8b9fd9
flip dev to cancun
s1na Feb 29, 2024
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29 changes: 9 additions & 20 deletions eth/catalyst/simulated_beacon.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,15 +18,16 @@ package catalyst

import (
"crypto/rand"
"crypto/sha256"
"errors"
"fmt"
"math/big"
"sync"
"time"

"github.com/ethereum/go-ethereum/beacon/engine"
"github.com/ethereum/go-ethereum/common"
"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"
Expand Down Expand Up @@ -192,15 +193,15 @@ func (c *SimulatedBeacon) sealBlock(withdrawals []*types.Withdrawal, timestamp u

// Mark the payload as canon
if isCancun {
txes, err := decodeTransactions(payload.Transactions)
if err != nil {
return err
}
blobHashes := make([]common.Hash, 0)
for _, tx := range txes {
blobHashes = append(blobHashes, tx.BlobHashes()...)
if envelope.BlobsBundle != nil {
hasher := sha256.New()
for _, commit := range envelope.BlobsBundle.Commitments {
c := kzg4844.Commitment(commit[:])
blobHashes = append(blobHashes, kzg4844.CalcBlobHashV1(hasher, &c))
}
}
if _, err = c.engineAPI.NewPayloadV3(*payload, []common.Hash{}, &common.Hash{}); err != nil {
if _, err = c.engineAPI.NewPayloadV3(*payload, blobHashes, &common.Hash{}); err != nil {
return err
}
} else {
Expand Down Expand Up @@ -319,15 +320,3 @@ func RegisterSimulatedBeaconAPIs(stack *node.Node, sim *SimulatedBeacon) {
},
})
}

func decodeTransactions(enc [][]byte) ([]*types.Transaction, error) {
var txs = make([]*types.Transaction, len(enc))
for i, encTx := range enc {
var tx types.Transaction
if err := tx.UnmarshalBinary(encTx); err != nil {
return nil, fmt.Errorf("invalid transaction %d: %v", i, err)
}
txs[i] = &tx
}
return txs, nil
}