diff options
Diffstat (limited to 'params')
| -rwxr-xr-x | params/protocol_params.go | 5 | ||||
| -rw-r--r-- | params/util.go | 30 |
2 files changed, 33 insertions, 2 deletions
diff --git a/params/protocol_params.go b/params/protocol_params.go index dcc17e05d..71c7035a4 100755 --- a/params/protocol_params.go +++ b/params/protocol_params.go @@ -25,9 +25,10 @@ var ( MaximumExtraDataSize = big.NewInt(32) // Maximum size extra data may be after Genesis. ExpByteGas = big.NewInt(10) // Times ceil(log256(exponent)) for the EXP instruction. SloadGas = big.NewInt(50) // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added. - CallValueTransferGas = big.NewInt(9000) // Paid for CALL when the value transfor is non-zero. + CallValueTransferGas = big.NewInt(9000) // Paid for CALL when the value transfer is non-zero. CallNewAccountGas = big.NewInt(25000) // Paid for CALL when the destination address didn't exist prior. - TxGas = big.NewInt(21000) // Per transaction. NOTE: Not payable on data of calls between transactions. + TxGas = big.NewInt(21000) // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions. + TxGasContractCreation = big.NewInt(53000) // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions. TxDataZeroGas = big.NewInt(4) // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions. DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations. QuadCoeffDiv = big.NewInt(512) // Divisor for the quadratic particle of the memory cost equation. diff --git a/params/util.go b/params/util.go new file mode 100644 index 000000000..6dda7752b --- /dev/null +++ b/params/util.go @@ -0,0 +1,30 @@ +// Copyright 2015 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. + +package params + +import "math/big" + +// TODO: set exact block number after community consensus is reached. +var HomesteadBlock *big.Int = big.NewInt(0) + +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 +} |