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author | Péter Szilágyi <peterke@gmail.com> | 2016-07-14 23:17:03 +0800 |
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committer | Péter Szilágyi <peterke@gmail.com> | 2016-07-15 21:52:55 +0800 |
commit | 3291235711082759cd7b70253c02150a80d57011 (patch) | |
tree | d8124891fb563f5143a156f415ae7ee7e6a30683 /core/dao_test.go | |
parent | 461cdb593b9e5bd9ae9ac35c68809a3a29290dcb (diff) | |
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accounts, core, eth: pass chain config for chain maker to test DAO
Diffstat (limited to 'core/dao_test.go')
-rw-r--r-- | core/dao_test.go | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/core/dao_test.go b/core/dao_test.go new file mode 100644 index 000000000..0830b1231 --- /dev/null +++ b/core/dao_test.go @@ -0,0 +1,132 @@ +// Copyright 2016 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 core + +import ( + "math/big" + "testing" + + "github.com/ethereum/go-ethereum/ethdb" + "github.com/ethereum/go-ethereum/event" + "github.com/ethereum/go-ethereum/params" +) + +// Tests that DAO-fork enabled clients can properly filter out fork-commencing +// blocks based on their extradata fields. +func TestDAOForkRangeExtradata(t *testing.T) { + forkBlock := big.NewInt(32) + + // Generate a common prefix for both pro-forkers and non-forkers + db, _ := ethdb.NewMemDatabase() + genesis := WriteGenesisBlockForTesting(db) + prefix, _ := GenerateChain(nil, genesis, db, int(forkBlock.Int64()-1), func(i int, gen *BlockGen) {}) + + // Create the concurrent, conflicting two nodes + proDb, _ := ethdb.NewMemDatabase() + WriteGenesisBlockForTesting(proDb) + proConf := &ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true} + proBc, _ := NewBlockChain(proDb, proConf, new(FakePow), new(event.TypeMux)) + + conDb, _ := ethdb.NewMemDatabase() + WriteGenesisBlockForTesting(conDb) + conConf := &ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false} + conBc, _ := NewBlockChain(conDb, conConf, new(FakePow), new(event.TypeMux)) + + if _, err := proBc.InsertChain(prefix); err != nil { + t.Fatalf("pro-fork: failed to import chain prefix: %v", err) + } + if _, err := conBc.InsertChain(prefix); err != nil { + t.Fatalf("con-fork: failed to import chain prefix: %v", err) + } + // Try to expand both pro-fork and non-fork chains iteratively with other camp's blocks + for i := int64(0); i < params.DAOForkExtraRange.Int64(); i++ { + // Create a pro-fork block, and try to feed into the no-fork chain + db, _ = ethdb.NewMemDatabase() + WriteGenesisBlockForTesting(db) + bc, _ := NewBlockChain(db, conConf, new(FakePow), new(event.TypeMux)) + + blocks := conBc.GetBlocksFromHash(conBc.CurrentBlock().Hash(), int(conBc.CurrentBlock().NumberU64()+1)) + for j := 0; j < len(blocks)/2; j++ { + blocks[j], blocks[len(blocks)-1-j] = blocks[len(blocks)-1-j], blocks[j] + } + if _, err := bc.InsertChain(blocks); err != nil { + t.Fatalf("failed to import contra-fork chain for expansion: %v", err) + } + blocks, _ = GenerateChain(proConf, conBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) {}) + if _, err := conBc.InsertChain(blocks); err == nil { + t.Fatalf("contra-fork chain accepted pro-fork block: %v", blocks[0]) + } + // Create a proper no-fork block for the contra-forker + blocks, _ = GenerateChain(conConf, conBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) {}) + if _, err := conBc.InsertChain(blocks); err != nil { + t.Fatalf("contra-fork chain didn't accepted no-fork block: %v", err) + } + // Create a no-fork block, and try to feed into the pro-fork chain + db, _ = ethdb.NewMemDatabase() + WriteGenesisBlockForTesting(db) + bc, _ = NewBlockChain(db, proConf, new(FakePow), new(event.TypeMux)) + + blocks = proBc.GetBlocksFromHash(proBc.CurrentBlock().Hash(), int(proBc.CurrentBlock().NumberU64()+1)) + for j := 0; j < len(blocks)/2; j++ { + blocks[j], blocks[len(blocks)-1-j] = blocks[len(blocks)-1-j], blocks[j] + } + if _, err := bc.InsertChain(blocks); err != nil { + t.Fatalf("failed to import pro-fork chain for expansion: %v", err) + } + blocks, _ = GenerateChain(conConf, proBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) {}) + if _, err := proBc.InsertChain(blocks); err == nil { + t.Fatalf("pro-fork chain accepted contra-fork block: %v", blocks[0]) + } + // Create a proper pro-fork block for the pro-forker + blocks, _ = GenerateChain(proConf, proBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) {}) + if _, err := proBc.InsertChain(blocks); err != nil { + t.Fatalf("pro-fork chain didn't accepted pro-fork block: %v", err) + } + } + // Verify that contra-forkers accept pro-fork extra-datas after forking finishes + db, _ = ethdb.NewMemDatabase() + WriteGenesisBlockForTesting(db) + bc, _ := NewBlockChain(db, conConf, new(FakePow), new(event.TypeMux)) + + blocks := conBc.GetBlocksFromHash(conBc.CurrentBlock().Hash(), int(conBc.CurrentBlock().NumberU64()+1)) + for j := 0; j < len(blocks)/2; j++ { + blocks[j], blocks[len(blocks)-1-j] = blocks[len(blocks)-1-j], blocks[j] + } + if _, err := bc.InsertChain(blocks); err != nil { + t.Fatalf("failed to import contra-fork chain for expansion: %v", err) + } + blocks, _ = GenerateChain(proConf, conBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) {}) + if _, err := conBc.InsertChain(blocks); err != nil { + t.Fatalf("contra-fork chain didn't accept pro-fork block post-fork: %v", err) + } + // Verify that pro-forkers accept contra-fork extra-datas after forking finishes + db, _ = ethdb.NewMemDatabase() + WriteGenesisBlockForTesting(db) + bc, _ = NewBlockChain(db, proConf, new(FakePow), new(event.TypeMux)) + + blocks = proBc.GetBlocksFromHash(proBc.CurrentBlock().Hash(), int(proBc.CurrentBlock().NumberU64()+1)) + for j := 0; j < len(blocks)/2; j++ { + blocks[j], blocks[len(blocks)-1-j] = blocks[len(blocks)-1-j], blocks[j] + } + if _, err := bc.InsertChain(blocks); err != nil { + t.Fatalf("failed to import pro-fork chain for expansion: %v", err) + } + blocks, _ = GenerateChain(conConf, proBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) {}) + if _, err := proBc.InsertChain(blocks); err != nil { + t.Fatalf("pro-fork chain didn't accept contra-fork block post-fork: %v", err) + } +} |