371871d685
* change gas cost for contract creating txs * invalidate signature with s value greater than secp256k1 N / 2 * OOG contract creation if not enough gas to store code * new difficulty adjustment algorithm * new DELEGATECALL op code
31 lines
1.1 KiB
Go
31 lines
1.1 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package params
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import "math/big"
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// TODO: set exact block number after community consensus is reached.
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var HomesteadBlock *big.Int = big.NewInt(0)
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func IsHomestead(blockNumber *big.Int) bool {
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// for unit tests TODO: flip to true after homestead is live
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if blockNumber == nil {
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return false
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}
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return blockNumber.Cmp(HomesteadBlock) >= 0
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}
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