Add native asset precompiled contracts for apricot release

2 files changed, 65 insertions, 4 deletions

diff --git a/params/config.go b/params/config.go
index e5ec64b..1e14c40 100644
--- a/params/config.go
+++ b/params/config.go
@@ -53,6 +53,49 @@ var CheckpointOracles = map[common.Hash]*CheckpointOracleConfig{
 }
 
 var (
+	// AvalancheMainnetChainID ...
+	AvalancheMainnetChainID = big.NewInt(43114)
+	// AvalancheFujiChainID ...
+	AvalancheFujiChainID = big.NewInt(43113)
+)
+
+var (
+	// AvalancheApricotMainnetChainConfig is the configuration for Avalanche Main Network
+	AvalancheApricotMainnetChainConfig = &ChainConfig{
+		ChainID:             AvalancheMainnetChainID,
+		HomesteadBlock:      big.NewInt(0),
+		DAOForkBlock:        big.NewInt(0),
+		DAOForkSupport:      true,
+		EIP150Block:         big.NewInt(0),
+		EIP150Hash:          common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
+		EIP155Block:         big.NewInt(0),
+		ByzantiumBlock:      big.NewInt(0),
+		ConstantinopleBlock: big.NewInt(0),
+		PetersburgBlock:     big.NewInt(0),
+		IstanbulBlock:       big.NewInt(0),
+		MuirGlacierBlock:    big.NewInt(0),
+		ApricotBlock:        big.NewInt(0), // TODO specify correct block height
+	}
+
+	// AvalancheApricotFujiChainConfig is the configuration for the Fuji Test Network
+	AvalancheApricotFujiChainConfig = &ChainConfig{
+		ChainID:             AvalancheFujiChainID,
+		HomesteadBlock:      big.NewInt(0),
+		DAOForkBlock:        big.NewInt(0),
+		DAOForkSupport:      true,
+		EIP150Block:         big.NewInt(0),
+		EIP150Hash:          common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
+		EIP155Block:         big.NewInt(0),
+		ByzantiumBlock:      big.NewInt(0),
+		ConstantinopleBlock: big.NewInt(0),
+		PetersburgBlock:     big.NewInt(0),
+		IstanbulBlock:       big.NewInt(0),
+		MuirGlacierBlock:    big.NewInt(0),
+		ApricotBlock:        big.NewInt(0), // TODO specify correct block height
+	}
+
+	// TODO update local network genesis to enable Apricot
+
 	// MainnetChainConfig is the chain parameters to run a node on the main network.
 	MainnetChainConfig = &ChainConfig{
 		ChainID:             big.NewInt(1),
@@ -239,16 +282,16 @@ var (
 	//
 	// This configuration is intentionally not using keyed fields to force anyone
 	// adding flags to the config to also have to set these fields.
-	AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, new(EthashConfig), nil}
+	AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, new(EthashConfig), nil}
 
 	// AllCliqueProtocolChanges contains every protocol change (EIPs) introduced
 	// and accepted by the Ethereum core developers into the Clique consensus.
 	//
 	// This configuration is intentionally not using keyed fields to force anyone
 	// adding flags to the config to also have to set these fields.
-	AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}}
+	AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}}
 
-	TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, new(EthashConfig), nil}
+	TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, new(EthashConfig), nil}
 	TestRules       = TestChainConfig.Rules(new(big.Int))
 )
 
@@ -323,6 +366,8 @@ type ChainConfig struct {
 	YoloV1Block *big.Int `json:"yoloV1Block,omitempty"` // YOLO v1: https://github.com/ethereum/EIPs/pull/2657 (Ephemeral testnet)
 	EWASMBlock  *big.Int `json:"ewasmBlock,omitempty"`  // EWASM switch block (nil = no fork, 0 = already activated)
 
+	ApricotBlock *big.Int `json:"apricotBlock,omitempty"` // Apricot switch block (nil = no fork, 0 = already activated)
+
 	// Various consensus engines
 	Ethash *EthashConfig `json:"ethash,omitempty"`
 	Clique *CliqueConfig `json:"clique,omitempty"`
@@ -358,7 +403,7 @@ func (c *ChainConfig) String() string {
 	default:
 		engine = "unknown"
 	}
-	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, YOLO v1: %v, Engine: %v}",
+	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, YOLO v1: %v, Apricot: %v, Engine: %v}",
 		c.ChainID,
 		c.HomesteadBlock,
 		c.DAOForkBlock,
@@ -372,6 +417,7 @@ func (c *ChainConfig) String() string {
 		c.IstanbulBlock,
 		c.MuirGlacierBlock,
 		c.YoloV1Block,
+		c.ApricotBlock,
 		engine,
 	)
 }
@@ -438,6 +484,12 @@ func (c *ChainConfig) IsEWASM(num *big.Int) bool {
 	return isForked(c.EWASMBlock, num)
 }
 
+// IsApricot returns whether num represents a block number after the Apricot fork
+func (c *ChainConfig) IsApricot(num *big.Int) bool {
+	return isForked(c.ApricotBlock, num)
+}
+
+// TODO review how this works and see if it will work for a live transition
 // CheckCompatible checks whether scheduled fork transitions have been imported
 // with a mismatching chain configuration.
 func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *ConfigCompatError {
@@ -477,6 +529,10 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 		{name: "istanbulBlock", block: c.IstanbulBlock},
 		{name: "muirGlacierBlock", block: c.MuirGlacierBlock, optional: true},
 		{name: "yoloV1Block", block: c.YoloV1Block},
+		// TODO figure out how Apricot fits in here.
+		// Precompiled contracts start from other end so they are compatible
+		// but it may be incompatible (and it was before Apricot as well) due
+		// to how the instruction sets are created
 	} {
 		if lastFork.name != "" {
 			// Next one must be higher number
@@ -610,6 +666,8 @@ type Rules struct {
 	IsHomestead, IsEIP150, IsEIP155, IsEIP158               bool
 	IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
 	IsYoloV1                                                bool
+	// Avalanche Releases
+	IsApricot bool
 }
 
 // Rules ensures c's ChainID is not nil.
@@ -629,5 +687,6 @@ func (c *ChainConfig) Rules(num *big.Int) Rules {
 		IsPetersburg:     c.IsPetersburg(num),
 		IsIstanbul:       c.IsIstanbul(num),
 		IsYoloV1:         c.IsYoloV1(num),
+		IsApricot:        c.IsApricot(num),
 	}
 }
diff --git a/params/protocol_params.go b/params/protocol_params.go
index 3536c83..fdfb9a5 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -95,6 +95,8 @@ const (
 	ExtcodeHashGasConstantinople uint64 = 400  // Cost of EXTCODEHASH (introduced in Constantinople)
 	ExtcodeHashGasEIP1884        uint64 = 700  // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul)
 	SelfdestructGasEIP150        uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine)
+	AssetBalanceApricot          uint64 = 20   // Cost of calling PrecompiledContract AssetBalance (Apricot)
+	AssetCallApricot             uint64 = 40   // Cost of calling PrecompiledContract AssetCall (Apricot)
 
 	// EXP has a dynamic portion depending on the size of the exponent
 	ExpByteFrontier uint64 = 10 // was set to 10 in Frontier