From 0bd6d77acd3c527079586f6ff3c6c235a7f2ef23 Mon Sep 17 00:00:00 2001
From: Andrew Ashikhmin <34320705+yperbasis@users.noreply.github.com>
Date: Thu, 5 Oct 2023 15:39:57 +0200
Subject: [PATCH] Remove CalcuttaBlock in favour of BlockAlloc (#8371)

System contract upgrades for Polygon are already handled by the
`BlockAlloc` logic and there's no need to duplicate it with the
`CalcuttaBlock` logic (there's no Calcutta in
https://github.com/maticnetwork/bor).
---
 consensus/bor/bor.go               |  22 +-----
 core/system_contract_lookup.go     |  60 +++++++--------
 core/systemcontracts/const.go      |  21 ------
 core/systemcontracts/upgrade.go    | 113 -----------------------------
 core/types/genesis.go              |  22 ++++--
 erigon-lib/chain/chain_config.go   |  15 +---
 params/chainspecs/bor-devnet.json  |   5 +-
 params/chainspecs/bor-mainnet.json |   1 -
 params/chainspecs/mumbai.json      |   1 -
 9 files changed, 49 insertions(+), 211 deletions(-)
 delete mode 100644 core/systemcontracts/const.go

diff --git a/consensus/bor/bor.go b/consensus/bor/bor.go
index 1dc372f29..c01c3c121 100644
--- a/consensus/bor/bor.go
+++ b/consensus/bor/bor.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"context"
 	"encoding/hex"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
@@ -36,7 +35,6 @@ import (
 	"github.com/ledgerwatch/erigon/consensus/misc"
 	"github.com/ledgerwatch/erigon/core/rawdb"
 	"github.com/ledgerwatch/erigon/core/state"
-	"github.com/ledgerwatch/erigon/core/systemcontracts"
 	"github.com/ledgerwatch/erigon/core/types"
 	"github.com/ledgerwatch/erigon/core/types/accounts"
 	"github.com/ledgerwatch/erigon/crypto"
@@ -415,7 +413,7 @@ func New(
 
 	// make sure we can decode all the GenesisAlloc in the BorConfig.
 	for key, genesisAlloc := range c.config.BlockAlloc {
-		if _, err := decodeGenesisAlloc(genesisAlloc); err != nil {
+		if _, err := types.DecodeGenesisAlloc(genesisAlloc); err != nil {
 			panic(fmt.Sprintf("BUG: Block alloc '%s' in genesis is not correct: %v", key, err))
 		}
 	}
@@ -1041,25 +1039,10 @@ func (c *Bor) Finalize(config *chain.Config, header *types.Header, state *state.
 	return nil, types.Receipts{}, nil
 }
 
-func decodeGenesisAlloc(i interface{}) (types.GenesisAlloc, error) {
-	var alloc types.GenesisAlloc
-
-	b, err := json.Marshal(i)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := json.Unmarshal(b, &alloc); err != nil {
-		return nil, err
-	}
-
-	return alloc, nil
-}
-
 func (c *Bor) changeContractCodeIfNeeded(headerNumber uint64, state *state.IntraBlockState) error {
 	for blockNumber, genesisAlloc := range c.config.BlockAlloc {
 		if blockNumber == strconv.FormatUint(headerNumber, 10) {
-			allocs, err := decodeGenesisAlloc(genesisAlloc)
+			allocs, err := types.DecodeGenesisAlloc(genesisAlloc)
 			if err != nil {
 				return fmt.Errorf("failed to decode genesis alloc: %v", err)
 			}
@@ -1128,7 +1111,6 @@ func (c *Bor) GenerateSeal(chain consensus.ChainHeaderReader, currnt, parent *ty
 
 func (c *Bor) Initialize(config *chain.Config, chain consensus.ChainHeaderReader, header *types.Header,
 	state *state.IntraBlockState, syscall consensus.SysCallCustom, logger log.Logger) {
-	systemcontracts.UpgradeBuildInSystemContract(config, header.Number, state, logger)
 }
 
 // Authorize injects a private key into the consensus engine to mint new blocks
diff --git a/core/system_contract_lookup.go b/core/system_contract_lookup.go
index 0e26363ba..dfcecb38d 100644
--- a/core/system_contract_lookup.go
+++ b/core/system_contract_lookup.go
@@ -1,49 +1,59 @@
 package core
 
 import (
-	"encoding/hex"
 	"fmt"
+	"strconv"
 
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/common/hexutility"
 
 	"github.com/ledgerwatch/erigon/common"
 	"github.com/ledgerwatch/erigon/core/systemcontracts"
+	"github.com/ledgerwatch/erigon/core/types"
 	"github.com/ledgerwatch/erigon/params"
 	"github.com/ledgerwatch/erigon/params/networkname"
 )
 
 func init() {
-	// Initialise systemContractCodeLookup
+	// Initialise SystemContractCodeLookup
 	for _, chainName := range []string{networkname.BorMainnetChainName, networkname.MumbaiChainName, networkname.BorDevnetChainName} {
 		byChain := map[libcommon.Address][]libcommon.CodeRecord{}
 		systemcontracts.SystemContractCodeLookup[chainName] = byChain
 		// Apply genesis with the block number 0
 		genesisBlock := GenesisBlockByChainName(chainName)
-		for addr, alloc := range genesisBlock.Alloc {
-			if len(alloc.Code) > 0 {
-				list := byChain[addr]
-				codeHash, err := common.HashData(alloc.Code)
-				if err != nil {
-					panic(fmt.Errorf("failed to hash system contract code: %s", err.Error()))
-				}
-				list = append(list, libcommon.CodeRecord{BlockNumber: 0, CodeHash: codeHash})
-				byChain[addr] = list
-			}
-		}
+		allocToCodeRecords(genesisBlock.Alloc, byChain, 0)
 		// Process upgrades
 		chainConfig := params.ChainConfigByChainName(chainName)
-		if chainConfig.Bor != nil && chainConfig.Bor.CalcuttaBlock != nil {
-			blockNum := chainConfig.Bor.CalcuttaBlock.Uint64()
-			if blockNum != 0 {
-				addCodeRecords(systemcontracts.CalcuttaUpgrade[chainName], blockNum, byChain)
+		for blockNumStr, genesisAlloc := range chainConfig.Bor.BlockAlloc {
+			blockNum, err := strconv.ParseUint(blockNumStr, 10, 64)
+			if err != nil {
+				panic(fmt.Errorf("failed to parse block number in BlockAlloc: %s", err.Error()))
 			}
+			alloc, err := types.DecodeGenesisAlloc(genesisAlloc)
+			if err != nil {
+				panic(fmt.Errorf("failed to decode block alloc: %v", err))
+			}
+			allocToCodeRecords(alloc, byChain, blockNum)
 		}
 	}
 
 	addGnosisSpecialCase()
 }
 
+func allocToCodeRecords(alloc types.GenesisAlloc, byChain map[libcommon.Address][]libcommon.CodeRecord, blockNum uint64) {
+	for addr, account := range alloc {
+		if len(account.Code) > 0 {
+			list := byChain[addr]
+			codeHash, err := common.HashData(account.Code)
+			if err != nil {
+				panic(fmt.Errorf("failed to hash system contract code: %s", err.Error()))
+			}
+			list = append(list, libcommon.CodeRecord{BlockNumber: blockNum, CodeHash: codeHash})
+			byChain[addr] = list
+		}
+	}
+}
+
 // some hard coding for gnosis chain here to solve a historical problem with the token contract being re-written
 // and losing the history for it in the DB.  Temporary hack until erigon 3 arrives
 func addGnosisSpecialCase() {
@@ -75,19 +85,3 @@ func addGnosisSpecialCase() {
 
 	byChain[address] = list
 }
-
-func addCodeRecords(upgrade *systemcontracts.Upgrade, blockNum uint64, byChain map[libcommon.Address][]libcommon.CodeRecord) {
-	for _, config := range upgrade.Configs {
-		list := byChain[config.ContractAddr]
-		code, err := hex.DecodeString(config.Code)
-		if err != nil {
-			panic(fmt.Errorf("failed to decode system contract code: %s", err.Error()))
-		}
-		codeHash, err := common.HashData(code)
-		if err != nil {
-			panic(fmt.Errorf("failed to hash system contract code: %s", err.Error()))
-		}
-		list = append(list, libcommon.CodeRecord{BlockNumber: blockNum, CodeHash: codeHash})
-		byChain[config.ContractAddr] = list
-	}
-}
diff --git a/core/systemcontracts/const.go b/core/systemcontracts/const.go
deleted file mode 100644
index ab3315e72..000000000
--- a/core/systemcontracts/const.go
+++ /dev/null
@@ -1,21 +0,0 @@
-package systemcontracts
-
-import (
-	libcommon "github.com/ledgerwatch/erigon-lib/common"
-)
-
-var (
-	// genesis contracts
-	ValidatorContract          = libcommon.HexToAddress("0x0000000000000000000000000000000000001000")
-	SlashContract              = libcommon.HexToAddress("0x0000000000000000000000000000000000001001")
-	SystemRewardContract       = libcommon.HexToAddress("0x0000000000000000000000000000000000001002")
-	LightClientContract        = libcommon.HexToAddress("0x0000000000000000000000000000000000001003")
-	TokenHubContract           = libcommon.HexToAddress("0x0000000000000000000000000000000000001004")
-	RelayerIncentivizeContract = libcommon.HexToAddress("0x0000000000000000000000000000000000001005")
-	RelayerHubContract         = libcommon.HexToAddress("0x0000000000000000000000000000000000001006")
-	GovHubContract             = libcommon.HexToAddress("0x0000000000000000000000000000000000001007")
-	TokenManagerContract       = libcommon.HexToAddress("0x0000000000000000000000000000000000001008")
-	MaticTokenContract         = libcommon.HexToAddress("0x0000000000000000000000000000000000001010")
-	CrossChainContract         = libcommon.HexToAddress("0x0000000000000000000000000000000000002000")
-	StakingContract            = libcommon.HexToAddress("0x0000000000000000000000000000000000002001")
-)
diff --git a/core/systemcontracts/upgrade.go b/core/systemcontracts/upgrade.go
index 677aea242..e9d6d0055 100644
--- a/core/systemcontracts/upgrade.go
+++ b/core/systemcontracts/upgrade.go
@@ -1,38 +1,10 @@
 package systemcontracts
 
 import (
-	"encoding/hex"
-	"fmt"
-	"math/big"
-
-	"github.com/ledgerwatch/erigon-lib/chain"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
-	"github.com/ledgerwatch/erigon/core/vm/evmtypes"
-	"github.com/ledgerwatch/log/v3"
-
-	"github.com/ledgerwatch/erigon/params/networkname"
 )
 
-type UpgradeConfig struct {
-	BeforeUpgrade upgradeHook
-	AfterUpgrade  upgradeHook
-	ContractAddr  libcommon.Address
-	CommitUrl     string
-	Code          string
-}
-
-type Upgrade struct {
-	UpgradeName string
-	Configs     []*UpgradeConfig
-}
-
-type upgradeHook func(blockNumber *big.Int, contractAddr libcommon.Address, statedb evmtypes.IntraBlockState) error
-
 var (
-	//upgrade config
-
-	CalcuttaUpgrade = make(map[string]*Upgrade)
-
 	// SystemContractCodeLookup is used to address a flaw in the upgrade logic of the system contracts. Since they are updated directly, without first being self-destructed
 	// and then re-created, the usual incarnation logic does not get activated, and all historical records of the code of these contracts are retrieved as the most
 	// recent version. This problem will not exist in erigon3, but until then, a workaround will be used to access code of such contracts through this structure
@@ -40,88 +12,3 @@ var (
 	// to be used in binary search to determine correct historical code
 	SystemContractCodeLookup = map[string]map[libcommon.Address][]libcommon.CodeRecord{}
 )
-
-func init() {
-	CalcuttaUpgrade[networkname.BorMainnetChainName] = &Upgrade{
-		UpgradeName: "calcutta",
-		Configs: []*UpgradeConfig{
-			{
-				ContractAddr: MaticTokenContract,
-				Code:         "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-			},
-		},
-	}
-
-	CalcuttaUpgrade[networkname.MumbaiChainName] = &Upgrade{
-		UpgradeName: "calcutta",
-		Configs: []*UpgradeConfig{
-			{
-				ContractAddr: MaticTokenContract,
-				Code:         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-			},
-		},
-	}
-
-	CalcuttaUpgrade[networkname.BorDevnetChainName] = &Upgrade{
-		UpgradeName: "calcutta",
-		Configs: []*UpgradeConfig{
-			{
-				ContractAddr: MaticTokenContract,
-				Code:         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-			},
-		},
-	}
-}
-
-func UpgradeBuildInSystemContract(config *chain.Config, blockNumber *big.Int, statedb evmtypes.IntraBlockState, logger log.Logger) {
-	if config == nil || blockNumber == nil || statedb == nil {
-		return
-	}
-
-	if config.Bor != nil && config.Bor.IsOnCalcutta(blockNumber) {
-		applySystemContractUpgrade(CalcuttaUpgrade[config.ChainName], blockNumber, statedb, logger)
-	}
-
-	/*
-		apply other upgrades
-	*/
-}
-
-func applySystemContractUpgrade(upgrade *Upgrade, blockNumber *big.Int, statedb evmtypes.IntraBlockState, logger log.Logger) {
-	if upgrade == nil {
-		logger.Info("Empty upgrade config", "height", blockNumber.String())
-		return
-	}
-
-	logger.Info(fmt.Sprintf("Apply upgrade %s at height %d", upgrade.UpgradeName, blockNumber.Int64()))
-	for _, cfg := range upgrade.Configs {
-		logger.Info(fmt.Sprintf("Upgrade contract %s to commit %s", cfg.ContractAddr.String(), cfg.CommitUrl))
-
-		if cfg.BeforeUpgrade != nil {
-			err := cfg.BeforeUpgrade(blockNumber, cfg.ContractAddr, statedb)
-			if err != nil {
-				panic(fmt.Errorf("contract address: %s, execute beforeUpgrade error: %s", cfg.ContractAddr.String(), err.Error()))
-			}
-		}
-
-		newContractCode, err := hex.DecodeString(cfg.Code)
-		if err != nil {
-			panic(fmt.Errorf("failed to decode new contract code: %s", err.Error()))
-		}
-
-		prevContractCode := statedb.GetCode(cfg.ContractAddr)
-		if len(prevContractCode) == 0 && len(newContractCode) > 0 {
-			// system contracts defined after genesis need to be explicitly created
-			statedb.CreateAccount(cfg.ContractAddr, true)
-		}
-
-		statedb.SetCode(cfg.ContractAddr, newContractCode)
-
-		if cfg.AfterUpgrade != nil {
-			err := cfg.AfterUpgrade(blockNumber, cfg.ContractAddr, statedb)
-			if err != nil {
-				panic(fmt.Errorf("contract address: %s, execute afterUpgrade error: %s", cfg.ContractAddr.String(), err.Error()))
-			}
-		}
-	}
-}
diff --git a/core/types/genesis.go b/core/types/genesis.go
index 9a696a0bd..d6f0e8cbc 100644
--- a/core/types/genesis.go
+++ b/core/types/genesis.go
@@ -70,13 +70,6 @@ type Genesis struct {
 // GenesisAlloc specifies the initial state that is part of the genesis block.
 type GenesisAlloc map[common.Address]GenesisAccount
 
-type AuthorityRoundSeal struct {
-	/// Seal step.
-	Step uint64 `json:"step"`
-	/// Seal signature.
-	Signature common.Hash `json:"signature"`
-}
-
 func (ga *GenesisAlloc) UnmarshalJSON(data []byte) error {
 	m := make(map[common2.UnprefixedAddress]GenesisAccount)
 	if err := json.Unmarshal(data, &m); err != nil {
@@ -89,6 +82,21 @@ func (ga *GenesisAlloc) UnmarshalJSON(data []byte) error {
 	return nil
 }
 
+func DecodeGenesisAlloc(i interface{}) (GenesisAlloc, error) {
+	var alloc GenesisAlloc
+
+	b, err := json.Marshal(i)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := json.Unmarshal(b, &alloc); err != nil {
+		return nil, err
+	}
+
+	return alloc, nil
+}
+
 // GenesisAccount is an account in the state of the genesis block.
 // Either use "constructor" for deployment code or "code" directly for the final code.
 type GenesisAccount struct {
diff --git a/erigon-lib/chain/chain_config.go b/erigon-lib/chain/chain_config.go
index a82481115..09d8fe7d6 100644
--- a/erigon-lib/chain/chain_config.go
+++ b/erigon-lib/chain/chain_config.go
@@ -410,11 +410,10 @@ type BorConfig struct {
 	OverrideStateSyncRecords map[string]int         `json:"overrideStateSyncRecords"` // override state records count
 	BlockAlloc               map[string]interface{} `json:"blockAlloc"`
 
-	CalcuttaBlock *big.Int `json:"calcuttaBlock"` // Calcutta switch block (nil = no fork, 0 = already on calcutta)
-	JaipurBlock   *big.Int `json:"jaipurBlock"`   // Jaipur switch block (nil = no fork, 0 = already on jaipur)
-	DelhiBlock    *big.Int `json:"delhiBlock"`    // Delhi switch block (nil = no fork, 0 = already on delhi)
+	JaipurBlock *big.Int `json:"jaipurBlock"` // Jaipur switch block (nil = no fork, 0 = already on jaipur)
+	DelhiBlock  *big.Int `json:"delhiBlock"`  // Delhi switch block (nil = no fork, 0 = already on delhi)
+	IndoreBlock *big.Int `json:"indoreBlock"` // Indore switch block (nil = no fork, 0 = already on indore)
 
-	IndoreBlock                *big.Int          `json:"indoreBlock"`                // Indore switch block (nil = no fork, 0 = already on indore)
 	StateSyncConfirmationDelay map[string]uint64 `json:"stateSyncConfirmationDelay"` // StateSync Confirmation Delay, in seconds, to calculate `to`
 
 	sprints sprints
@@ -504,14 +503,6 @@ func (c *BorConfig) IsDelhi(number uint64) bool {
 	return isForked(c.DelhiBlock, number)
 }
 
-func (c *BorConfig) IsCalcutta(number uint64) bool {
-	return isForked(c.CalcuttaBlock, number)
-}
-
-func (c *BorConfig) IsOnCalcutta(number *big.Int) bool {
-	return numEqual(c.CalcuttaBlock, number)
-}
-
 func (c *BorConfig) IsIndore(number uint64) bool {
 	return isForked(c.IndoreBlock, number)
 }
diff --git a/params/chainspecs/bor-devnet.json b/params/chainspecs/bor-devnet.json
index 3f4c306f6..376663aa3 100644
--- a/params/chainspecs/bor-devnet.json
+++ b/params/chainspecs/bor-devnet.json
@@ -22,7 +22,7 @@
       "0": 4
     },
     "sprint": {
-      "0":16
+      "0": 16
     },
     "backupMultiplier": {
       "0": 5
@@ -41,8 +41,7 @@
       }
     },
     "jaipurBlock": 0,
-    "delhiBlock":0,
-    "calcuttaBlock": 30,
+    "delhiBlock": 0,
     "indoreBlock": 0
   }
 }
diff --git a/params/chainspecs/bor-mainnet.json b/params/chainspecs/bor-mainnet.json
index baf0dc4b9..87a22d389 100644
--- a/params/chainspecs/bor-mainnet.json
+++ b/params/chainspecs/bor-mainnet.json
@@ -53,7 +53,6 @@
         }
       }
     },
-    "calcuttaBlock": 22156660,
     "jaipurBlock": 23850000,
     "delhiBlock": 38189056,
     "indoreBlock": 44934656
diff --git a/params/chainspecs/mumbai.json b/params/chainspecs/mumbai.json
index 7ac40ef9b..3bd9d8ba6 100644
--- a/params/chainspecs/mumbai.json
+++ b/params/chainspecs/mumbai.json
@@ -47,7 +47,6 @@
         }
       }
     },
-    "calcuttaBlock": 22244000,
     "jaipurBlock": 22770000,
     "delhiBlock": 29638656,
     "indoreBlock": 37075456