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core/types, params: EIP#155

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This commit is contained in:
Jeffrey Wilcke
2016-11-02 13:44:13 +01:00
parent 5cd86443ee
commit 4dca5d4db7
46 changed files with 1074 additions and 470 deletions
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36
params/config.go
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@ -28,18 +28,24 @@ import (
// that any network, identified by its genesis block, can have its own
// set of configuration options.
type ChainConfig struct {
ChainId *big.Int `json:"chainId"` // Chain id identifies the current chain and is used for replay protection
HomesteadBlock *big.Int `json:"homesteadBlock"` // Homestead switch block (nil = no fork, 0 = already homestead)
DAOForkBlock *big.Int `json:"daoForkBlock"` // TheDAO hard-fork switch block (nil = no fork)
DAOForkSupport bool `json:"daoForkSupport"` // Whether the nodes supports or opposes the DAO hard-fork
// EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
EIP150Block *big.Int `json:"EIP150Block"` // EIP150 HF block (nil = no fork)
EIP150Hash common.Hash `json:"EIP150Hash"` // EIP150 HF hash (fast sync aid)
EIP150Block *big.Int `json:"eip150Block"` // EIP150 HF block (nil = no fork)
EIP150Hash common.Hash `json:"eip150Hash"` // EIP150 HF hash (fast sync aid)
EIP158Block *big.Int `json:"EIP158Block"` // EIP158 HF block
EIP155Block *big.Int `json:"eip155Block"` // EIP155 HF block
EIP158Block *big.Int `json:"eip158Block"` // EIP158 HF block
}
var TestChainConfig = &ChainConfig{new(big.Int), new(big.Int), true, new(big.Int), common.Hash{}, new(big.Int)}
var (
TestChainConfig = &ChainConfig{big.NewInt(1), new(big.Int), new(big.Int), true, new(big.Int), common.Hash{}, new(big.Int), new(big.Int)}
TestRules = TestChainConfig.Rules(new(big.Int))
)
// IsHomestead returns whether num is either equal to the homestead block or greater.
func (c *ChainConfig) IsHomestead(num *big.Int) bool {
@ -75,6 +81,14 @@ func (c *ChainConfig) IsEIP150(num *big.Int) bool {
}
func (c *ChainConfig) IsEIP155(num *big.Int) bool {
if c.EIP155Block == nil || num == nil {
return false
}
return num.Cmp(c.EIP155Block) >= 0
}
func (c *ChainConfig) IsEIP158(num *big.Int) bool {
if c.EIP158Block == nil || num == nil {
return false
@ -82,3 +96,17 @@ func (c *ChainConfig) IsEIP158(num *big.Int) bool {
return num.Cmp(c.EIP158Block) >= 0
}
// Rules wraps ChainConfig and is merely syntatic sugar or can be used for functions
// that do not have or require information about the block.
//
// Rules is a one time interface meaning that it shouldn't be used in between transition
// phases.
type Rules struct {
ChainId *big.Int
IsHomestead, IsEIP150, IsEIP155, IsEIP158 bool
}
func (c *ChainConfig) Rules(num *big.Int) Rules {
return Rules{ChainId: new(big.Int).Set(c.ChainId), IsHomestead: c.IsHomestead(num), IsEIP150: c.IsEIP150(num), IsEIP155: c.IsEIP155(num), IsEIP158: c.IsEIP158(num)}
}