41 lines
1.4 KiB
Go
41 lines
1.4 KiB
Go
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// Copyright 2017 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 ethash
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import (
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/core/types"
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)
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// Tests that ethash works correctly in test mode.
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func TestTestMode(t *testing.T) {
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head := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)}
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ethash := NewTester()
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block, err := ethash.Seal(nil, types.NewBlockWithHeader(head), nil)
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if err != nil {
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t.Fatalf("failed to seal block: %v", err)
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}
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head.Nonce = types.EncodeNonce(block.Nonce())
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head.MixDigest = block.MixDigest()
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if err := ethash.VerifySeal(nil, head); err != nil {
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t.Fatalf("unexpected verification error: %v", err)
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}
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}
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