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core: added basic chain configuration

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Added chain configuration options and write out during genesis database
insertion. If no "config" was found, nothing is written to the database.

Configurations are written on a per genesis base. This means
that any chain (which is identified by it's genesis hash) can have their
own chain settings.
This commit is contained in:
Jeffrey Wilcke
2016-03-01 23:32:43 +01:00
committed by Jeffrey Wilcke
parent 10d3466c93
commit f0cbebb19f
55 changed files with 732 additions and 431 deletions
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5
params/protocol_params.go
View File

@ -40,8 +40,9 @@ var (
EcrecoverGas = big.NewInt(3000) //
Sha256WordGas = big.NewInt(12) //
MinGasLimit = big.NewInt(5000) // Minimum the gas limit may ever be.
GenesisGasLimit = big.NewInt(4712388) // Gas limit of the Genesis block.
MinGasLimit = big.NewInt(5000) // Minimum the gas limit may ever be.
GenesisGasLimit = big.NewInt(4712388) // Gas limit of the Genesis block.
TargetGasLimit = new(big.Int).Set(GenesisGasLimit) // The artificial target
Sha3Gas = big.NewInt(30) // Once per SHA3 operation.
Sha256Gas = big.NewInt(60) //

13
params/util.go
View File

@ -19,15 +19,6 @@ package params
import "math/big"
var (
TestNetHomesteadBlock = big.NewInt(494000) // testnet homestead block
MainNetHomesteadBlock = big.NewInt(1150000) // mainnet homestead block
HomesteadBlock = MainNetHomesteadBlock // homestead block used to check against
TestNetHomesteadBlock = big.NewInt(494000) // testnet homestead block
MainNetHomesteadBlock = big.NewInt(1150000) // mainnet homestead block
)
func IsHomestead(blockNumber *big.Int) bool {
// for unit tests TODO: flip to true after homestead is live
if blockNumber == nil {
return false
}
return blockNumber.Cmp(HomesteadBlock) >= 0
}