simulators/ethereum/engine: Update beacon root to latest spec.

ethereum · Sep 4, 2023 · e9003e6 · e9003e6
1 parent 5d3adb8
commit e9003e6
Show file tree

Hide file tree

Showing 4 changed files with 7 additions and 7 deletions.
diff --git a/simulators/ethereum/engine/suites/cancun/config.go b/simulators/ethereum/engine/suites/cancun/config.go
@@ -103,10 +103,10 @@ func (cs *CancunBaseSpec) GetGenesis() *core.Genesis {
 	}
 
 	// Add bytecode pre deploy to the EIP-4788 address.
-	genesis.Alloc[HISTORY_STORAGE_ADDRESS] = core.GenesisAccount{
+	genesis.Alloc[BEACON_ROOTS_ADDRESS] = core.GenesisAccount{
 		Balance: common.Big0,
 		Nonce:   1,
-		Code:    common.Hex2Bytes("3373fffffffffffffffffffffffffffffffffffffffe14604457602036146024575f5ffd5b620180005f350680545f35146037575f5ffd5b6201800001545f5260205ff35b42620180004206555f3562018000420662018000015500"),
+		Code:    common.Hex2Bytes("3373fffffffffffffffffffffffffffffffffffffffe14604457602036146024575f5ffd5b620180005f350680545f35146037575f5ffd5b6201800001545f5260205ff35b6201800042064281555f359062018000015500"),
 	}
 
 	return genesis

diff --git a/simulators/ethereum/engine/suites/cancun/helpers.go b/simulators/ethereum/engine/suites/cancun/helpers.go
@@ -131,8 +131,8 @@ func VerifyTransactionFromNode(ctx context.Context, eth client.Eth, tx typ.Trans
 
 func BeaconRootStorageIndexes(timestamp uint64) (common.Hash, common.Hash) {
 	// Calculate keys
-	timestampReduced := timestamp % HISTORICAL_ROOTS_MODULUS
-	timestampExtended := timestampReduced + HISTORICAL_ROOTS_MODULUS
+	timestampReduced := timestamp % HISTORY_BUFFER_LENGTH
+	timestampExtended := timestampReduced + HISTORY_BUFFER_LENGTH
 
 	return common.BigToHash(new(big.Int).SetUint64(timestampReduced)), common.BigToHash(new(big.Int).SetUint64(timestampExtended))
 }
diff --git a/simulators/ethereum/engine/suites/cancun/steps.go b/simulators/ethereum/engine/suites/cancun/steps.go
@@ -259,7 +259,7 @@ func VerifyBeaconRootStorage(ctx context.Context, testEngine *test.TestEngineCli
 	// Read the storage keys from the stateful precompile that stores the beacon roots and verify
 	// that the beacon root is the same as the one in the payload
 	blockNumber := new(big.Int).SetUint64(payload.Number)
-	precompileAddress := HISTORY_STORAGE_ADDRESS
+	precompileAddress := BEACON_ROOTS_ADDRESS
 
 	timestampKey, beaconRootKey := BeaconRootStorageIndexes(payload.Timestamp)
 

diff --git a/simulators/ethereum/engine/suites/cancun/tests.go b/simulators/ethereum/engine/suites/cancun/tests.go
@@ -30,8 +30,8 @@ var (
 	BLOB_COMMITMENT_VERSION_KZG = byte(0x01)
 
 	// EIP 4788 specific constants
-	HISTORY_STORAGE_ADDRESS  = common.HexToAddress("0x000000000000000000000000000000000000000b")
-	HISTORICAL_ROOTS_MODULUS = uint64(98304)
+	BEACON_ROOTS_ADDRESS  = common.HexToAddress("0xbEac00dDB15f3B6d645C48263dC93862413A222D")
+	HISTORY_BUFFER_LENGTH = uint64(98304)
 
 	// Engine API errors
 	INVALID_PARAMS_ERROR   = pInt(-32602)