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Implement CalcGasPrice for ethereum/go-ethereum#77

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Maran 2014-06-10 17:22:06 +02:00
parent 2e6cf42011
commit 753f749423
1 changed files with 29 additions and 0 deletions
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29
ethchain/block.go
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@ -154,6 +154,35 @@ func (block *Block) PayFee(addr []byte, fee *big.Int) bool {
return true return true
} }
func (block *Block) CalcGasLimit(parent *Block) *big.Int {
if block.Number == big.NewInt(0) {
return ethutil.BigPow(10, 6)
}
previous := new(big.Int).Mul(big.NewInt(1023), parent.GasLimit)
current := new(big.Rat).Mul(new(big.Rat).SetInt(block.GasUsed), big.NewRat(6, 5))
curInt := new(big.Int).Div(current.Num(), current.Denom())
result := new(big.Int).Add(previous, curInt)
result.Div(result, big.NewInt(1024))
min := ethutil.BigPow(10, 4)
return ethutil.BigMax(min, result)
/*
base := new(big.Int)
base2 := new(big.Int)
parentGL := bc.CurrentBlock.GasLimit
parentUsed := bc.CurrentBlock.GasUsed
base.Mul(parentGL, big.NewInt(1024-1))
base2.Mul(parentUsed, big.NewInt(6))
base2.Div(base2, big.NewInt(5))
base.Add(base, base2)
base.Div(base, big.NewInt(1024))
*/
}
func (block *Block) BlockInfo() BlockInfo { func (block *Block) BlockInfo() BlockInfo {
bi := BlockInfo{} bi := BlockInfo{}
data, _ := ethutil.Config.Db.Get(append(block.Hash(), []byte("Info")...)) data, _ := ethutil.Config.Db.Get(append(block.Hash(), []byte("Info")...))