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core, core/vm: added gas price variance table

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This implements 1b & 1c of EIP150 by adding a new GasTable which must be
returned from the RuleSet config method. This table is used to determine
the gas prices for the current epoch.

Please note that when the CreateBySuicide gas price is set it is assumed
that we're in the new epoch phase.

In addition this PR will serve as temporary basis while refactorisation
in being done in the EVM64 PR, which will substentially overhaul the gas
price code.
This commit is contained in:
Jeffrey Wilcke
2016-10-08 00:23:45 +02:00
committed by Jeffrey Wilcke
parent eeb2a1a6e3
commit 64af2aafda
43 changed files with 77186 additions and 67 deletions
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16
tests/util.go
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@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/params"
)
var (
@ -148,15 +149,24 @@ type VmTest struct {
}
type RuleSet struct {
HomesteadBlock *big.Int
DAOForkBlock *big.Int
DAOForkSupport bool
HomesteadBlock *big.Int
DAOForkBlock *big.Int
DAOForkSupport bool
HomesteadGasRepriceBlock *big.Int
}
func (r RuleSet) IsHomestead(n *big.Int) bool {
return n.Cmp(r.HomesteadBlock) >= 0
}
func (r RuleSet) GasTable(num *big.Int) params.GasTable {
if r.HomesteadGasRepriceBlock == nil || num == nil || num.Cmp(r.HomesteadGasRepriceBlock) < 0 {
return params.GasTableHomestead
}
return params.GasTableHomesteadGasRepriceFork
}
type Env struct {
ruleSet RuleSet
depth int