forked from cerc-io/plugeth
cmd, core, miner: add extradata validation to consensus rules
This commit is contained in:
Péter Szilágyi
parent
1e24c2e4f4
commit
a87089fd2d
@ -29,6 +29,21 @@ import (
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"github.com/ethereum/go-ethereum/params"
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)
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// Genesis block for nodes which don't care about the DAO fork (i.e. not configured)
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var daoOldGenesis = `{
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"alloc" : {},
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"coinbase" : "0x0000000000000000000000000000000000000000",
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"difficulty" : "0x20000",
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"extraData" : "",
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"gasLimit" : "0x2fefd8",
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"nonce" : "0x0000000000000042",
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"mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"timestamp" : "0x00",
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"config" : {}
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}`
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// Genesis block for nodes which actively oppose the DAO fork
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var daoNoForkGenesis = `{
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"alloc" : {},
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"coinbase" : "0x0000000000000000000000000000000000000000",
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@ -38,50 +53,121 @@ var daoNoForkGenesis = `{
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"nonce" : "0x0000000000000042",
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"mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"timestamp" : "0x00"
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"timestamp" : "0x00",
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"config" : {
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"daoForkBlock" : 314,
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"daoForkSupport" : false
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}
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}`
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var daoNoForkGenesisHash = common.HexToHash("5e1fc79cb4ffa4739177b5408045cd5d51c6cf766133f23f7cd72ee1f8d790e0")
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// Genesis block for nodes which actively support the DAO fork
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var daoProForkGenesis = `{
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"alloc" : {},
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"coinbase" : "0x0000000000000000000000000000000000000000",
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"difficulty" : "0x20000",
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"extraData" : "",
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"gasLimit" : "0x2fefd8",
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"nonce" : "0x0000000000000043",
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"nonce" : "0x0000000000000042",
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"mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"timestamp" : "0x00",
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"config" : {
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"daoForkBlock": 314
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"daoForkBlock" : 314,
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"daoForkSupport" : true
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}
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}`
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var daoProForkGenesisHash = common.HexToHash("c80f3c1c3d81ae6d8ea59edf35d3e4b723e4c8684ec71fdb6d4715e3f8add237")
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var daoProForkBlock = big.NewInt(314)
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// Tests that creating a new node to with or without the DAO fork flag will correctly
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// set the genesis block but with DAO support explicitly set or unset in the chain
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// config in the database.
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var daoGenesisHash = common.HexToHash("5e1fc79cb4ffa4739177b5408045cd5d51c6cf766133f23f7cd72ee1f8d790e0")
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var daoGenesisForkBlock = big.NewInt(314)
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// Tests that the DAO hard-fork number and the nodes support/opposition is correctly
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// set in the database after various initialization procedures and invocations.
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func TestDAODefaultMainnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, "", [][2]bool{{false, false}}, params.MainNetDAOForkBlock, false)
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}
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func TestDAOSupportMainnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, "", true, params.MainNetDAOForkBlock)
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testDAOForkBlockNewChain(t, false, "", [][2]bool{{true, false}}, params.MainNetDAOForkBlock, true)
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}
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func TestDAOOpposeMainnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, "", [][2]bool{{false, true}}, params.MainNetDAOForkBlock, false)
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}
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func TestDAOSwitchToSupportMainnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, "", [][2]bool{{false, true}, {true, false}}, params.MainNetDAOForkBlock, true)
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}
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func TestDAOSwitchToOpposeMainnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, "", [][2]bool{{true, false}, {false, true}}, params.MainNetDAOForkBlock, false)
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}
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func TestDAODefaultTestnet(t *testing.T) {
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testDAOForkBlockNewChain(t, true, "", [][2]bool{{false, false}}, params.TestNetDAOForkBlock, false)
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}
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func TestDAOSupportTestnet(t *testing.T) {
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testDAOForkBlockNewChain(t, true, "", true, params.TestNetDAOForkBlock)
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testDAOForkBlockNewChain(t, true, "", [][2]bool{{true, false}}, params.TestNetDAOForkBlock, true)
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}
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func TestDAOSupportPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoProForkGenesis, false, daoProForkBlock)
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func TestDAOOpposeTestnet(t *testing.T) {
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testDAOForkBlockNewChain(t, true, "", [][2]bool{{false, true}}, params.TestNetDAOForkBlock, false)
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}
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func TestDAONoSupportMainnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, "", false, nil)
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func TestDAOSwitchToSupportTestnet(t *testing.T) {
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testDAOForkBlockNewChain(t, true, "", [][2]bool{{false, true}, {true, false}}, params.TestNetDAOForkBlock, true)
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}
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func TestDAONoSupportTestnet(t *testing.T) {
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testDAOForkBlockNewChain(t, true, "", false, nil)
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func TestDAOSwitchToOpposeTestnet(t *testing.T) {
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testDAOForkBlockNewChain(t, true, "", [][2]bool{{true, false}, {false, true}}, params.TestNetDAOForkBlock, false)
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}
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func TestDAONoSupportPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoNoForkGenesis, false, nil)
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func TestDAOInitOldPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoOldGenesis, [][2]bool{}, nil, false)
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}
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func TestDAODefaultOldPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoOldGenesis, [][2]bool{{false, false}}, params.MainNetDAOForkBlock, false)
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}
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func TestDAOSupportOldPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoOldGenesis, [][2]bool{{true, false}}, params.MainNetDAOForkBlock, true)
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}
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func TestDAOOpposeOldPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoOldGenesis, [][2]bool{{false, true}}, params.MainNetDAOForkBlock, false)
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}
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func TestDAOSwitchToSupportOldPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoOldGenesis, [][2]bool{{false, true}, {true, false}}, params.MainNetDAOForkBlock, true)
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}
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func TestDAOSwitchToOpposeOldPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoOldGenesis, [][2]bool{{true, false}, {false, true}}, params.MainNetDAOForkBlock, false)
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}
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func TestDAOInitNoForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoNoForkGenesis, [][2]bool{}, daoGenesisForkBlock, false)
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}
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func TestDAODefaultNoForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoNoForkGenesis, [][2]bool{{false, false}}, daoGenesisForkBlock, false)
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}
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func TestDAOSupportNoForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoNoForkGenesis, [][2]bool{{true, false}}, daoGenesisForkBlock, true)
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}
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func TestDAOOpposeNoForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoNoForkGenesis, [][2]bool{{false, true}}, daoGenesisForkBlock, false)
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}
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func TestDAOSwitchToSupportNoForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoNoForkGenesis, [][2]bool{{false, true}, {true, false}}, daoGenesisForkBlock, true)
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}
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func TestDAOSwitchToOpposeNoForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoNoForkGenesis, [][2]bool{{true, false}, {false, true}}, daoGenesisForkBlock, false)
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}
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func TestDAOInitProForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoProForkGenesis, [][2]bool{}, daoGenesisForkBlock, true)
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}
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func TestDAODefaultProForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoProForkGenesis, [][2]bool{{false, false}}, daoGenesisForkBlock, true)
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}
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func TestDAOSupportProForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoProForkGenesis, [][2]bool{{true, false}}, daoGenesisForkBlock, true)
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}
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func TestDAOOpposeProForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoProForkGenesis, [][2]bool{{false, true}}, daoGenesisForkBlock, false)
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}
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func TestDAOSwitchToSupportProForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoProForkGenesis, [][2]bool{{false, true}, {true, false}}, daoGenesisForkBlock, true)
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}
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func TestDAOSwitchToOpposeProForkPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoProForkGenesis, [][2]bool{{true, false}, {false, true}}, daoGenesisForkBlock, false)
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}
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func testDAOForkBlockNewChain(t *testing.T, testnet bool, genesis string, fork bool, expect *big.Int) {
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func testDAOForkBlockNewChain(t *testing.T, testnet bool, genesis string, votes [][2]bool, expectBlock *big.Int, expectVote bool) {
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// Create a temporary data directory to use and inspect later
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datadir := tmpdir(t)
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defer os.RemoveAll(datadir)
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@ -94,11 +180,23 @@ func testDAOForkBlockNewChain(t *testing.T, testnet bool, genesis string, fork b
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}
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runGeth(t, "--datadir", datadir, "init", json).cmd.Wait()
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}
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execDAOGeth(t, datadir, testnet, fork, false)
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for _, vote := range votes {
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args := []string{"--port", "0", "--maxpeers", "0", "--nodiscover", "--nat", "none", "--ipcdisable", "--datadir", datadir}
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if testnet {
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args = append(args, "--testnet")
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}
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if vote[0] {
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args = append(args, "--support-dao-fork")
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}
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if vote[1] {
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args = append(args, "--oppose-dao-fork")
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}
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geth := runGeth(t, append(args, []string{"--exec", "2+2", "console"}...)...)
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geth.cmd.Wait()
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}
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// Retrieve the DAO config flag from the database
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path := filepath.Join(datadir, "chaindata")
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if testnet {
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if testnet && genesis == "" {
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path = filepath.Join(datadir, "testnet", "chaindata")
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}
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db, err := ethdb.NewLDBDatabase(path, 0, 0)
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@ -110,170 +208,9 @@ func testDAOForkBlockNewChain(t *testing.T, testnet bool, genesis string, fork b
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genesisHash := common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
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if testnet {
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genesisHash = common.HexToHash("0x0cd786a2425d16f152c658316c423e6ce1181e15c3295826d7c9904cba9ce303")
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} else if genesis == daoNoForkGenesis {
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genesisHash = daoNoForkGenesisHash
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} else if genesis == daoProForkGenesis {
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genesisHash = daoProForkGenesisHash
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}
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config, err := core.GetChainConfig(db, genesisHash)
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if err != nil {
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t.Fatalf("failed to retrieve chain config: %v", err)
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}
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// Validate the DAO hard-fork block number against the expected value
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if config.DAOForkBlock == nil {
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if expect != nil {
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t.Fatalf("dao hard-fork block mismatch: have nil, want %v", expect)
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}
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} else if config.DAOForkBlock.Cmp(expect) != 0 {
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t.Fatalf("dao hard-fork block mismatch: have %v, want %v", config.DAOForkBlock, expect)
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}
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}
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// Tests that starting up an already existing node with various DAO fork override
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// flags correctly changes the chain configs in the database.
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func TestDAODefaultMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, false, false, false, nil)
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}
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func TestDAOStartSupportMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, true, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOContinueExplicitSupportMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", true, true, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOContinueImplicitSupportMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", true, false, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOSwitchSupportMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, true, true, false, params.MainNetDAOForkBlock)
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}
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func TestDAOStartOpposeMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, false, false, true, nil)
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}
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func TestDAOContinueExplicitOpposeMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, false, true, true, nil)
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}
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func TestDAOContinueImplicitOpposeMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, false, true, false, nil)
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}
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func TestDAOSwitchOpposeMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", true, false, false, true, nil)
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}
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func TestDAODefaultTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, false, false, false, nil)
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}
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func TestDAOStartSupportTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, true, false, false, params.TestNetDAOForkBlock)
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}
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func TestDAOContinueExplicitSupportTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", true, true, false, false, params.TestNetDAOForkBlock)
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}
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func TestDAOContinueImplicitSupportTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", true, false, false, false, params.TestNetDAOForkBlock)
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}
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func TestDAOSwitchSupportTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, true, true, false, params.TestNetDAOForkBlock)
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}
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func TestDAOStartOpposeTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, false, false, true, nil)
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}
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func TestDAOContinueExplicitOpposeTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, false, true, true, nil)
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}
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func TestDAOContinueImplicitOpposeTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, false, true, false, nil)
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}
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func TestDAOSwitchOpposeTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", true, false, false, true, nil)
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}
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func TestDAODefaultPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, false, false, false, nil)
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}
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func TestDAOStartSupportConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, true, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOContinueExplicitSupportConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, true, true, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOContinueImplicitSupportConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, true, false, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOSwitchSupportConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, true, true, false, params.MainNetDAOForkBlock)
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}
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func TestDAOStartOpposeConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, false, false, true, nil)
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}
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func TestDAOContinueExplicitOpposeConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, false, true, true, nil)
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}
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func TestDAOContinueImplicitOpposeConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, false, true, false, nil)
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}
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func TestDAOSwitchOpposeConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, true, false, false, true, nil)
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}
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func TestDAODefaultProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, false, false, false, daoProForkBlock)
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}
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func TestDAOStartSupportProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, true, false, false, daoProForkBlock)
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}
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func TestDAOContinueExplicitSupportProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, true, true, false, false, daoProForkBlock)
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}
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func TestDAOContinueImplicitSupportProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, true, false, false, false, daoProForkBlock)
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}
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func TestDAOSwitchSupportProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, true, true, false, params.MainNetDAOForkBlock)
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}
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func TestDAOStartOpposeProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, false, false, true, nil)
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}
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func TestDAOContinueExplicitOpposeProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, false, true, true, nil)
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}
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func TestDAOContinueImplicitOpposeProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, false, true, false, nil)
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}
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func TestDAOSwitchOpposeProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, true, false, false, true, nil)
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}
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func testDAOForkBlockOldChain(t *testing.T, testnet bool, genesis string, oldSupport, newSupport, oldOppose, newOppose bool, expect *big.Int) {
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// Create a temporary data directory to use and inspect later
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datadir := tmpdir(t)
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defer os.RemoveAll(datadir)
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||||
// Cycle two Geth instances, possibly changing fork support in between
|
||||
if genesis != "" {
|
||||
json := filepath.Join(datadir, "genesis.json")
|
||||
if err := ioutil.WriteFile(json, []byte(genesis), 0600); err != nil {
|
||||
t.Fatalf("failed to write genesis file: %v", err)
|
||||
}
|
||||
runGeth(t, "--datadir", datadir, "init", json).cmd.Wait()
|
||||
}
|
||||
execDAOGeth(t, datadir, testnet, oldSupport, oldOppose)
|
||||
execDAOGeth(t, datadir, testnet, newSupport, newOppose)
|
||||
|
||||
// Retrieve the DAO config flag from the database
|
||||
path := filepath.Join(datadir, "chaindata")
|
||||
if testnet {
|
||||
path = filepath.Join(datadir, "testnet", "chaindata")
|
||||
}
|
||||
db, err := ethdb.NewLDBDatabase(path, 0, 0)
|
||||
if err != nil {
|
||||
t.Fatalf("failed to open test database: %v", err)
|
||||
}
|
||||
defer db.Close()
|
||||
|
||||
genesisHash := common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
|
||||
if testnet {
|
||||
genesisHash = common.HexToHash("0x0cd786a2425d16f152c658316c423e6ce1181e15c3295826d7c9904cba9ce303")
|
||||
} else if genesis == daoNoForkGenesis {
|
||||
genesisHash = daoNoForkGenesisHash
|
||||
} else if genesis == daoProForkGenesis {
|
||||
genesisHash = daoProForkGenesisHash
|
||||
genesisHash = daoGenesisHash
|
||||
}
|
||||
config, err := core.GetChainConfig(db, genesisHash)
|
||||
if err != nil {
|
||||
@ -281,26 +218,15 @@ func testDAOForkBlockOldChain(t *testing.T, testnet bool, genesis string, oldSup
|
||||
}
|
||||
// Validate the DAO hard-fork block number against the expected value
|
||||
if config.DAOForkBlock == nil {
|
||||
if expect != nil {
|
||||
t.Fatalf("dao hard-fork block mismatch: have nil, want %v", expect)
|
||||
if expectBlock != nil {
|
||||
t.Errorf("dao hard-fork block mismatch: have nil, want %v", expectBlock)
|
||||
}
|
||||
} else if config.DAOForkBlock.Cmp(expect) != 0 {
|
||||
t.Fatalf("dao hard-fork block mismatch: have %v, want %v", config.DAOForkBlock, expect)
|
||||
} else if expectBlock == nil {
|
||||
t.Errorf("dao hard-fork block mismatch: have %v, want nil", config.DAOForkBlock)
|
||||
} else if config.DAOForkBlock.Cmp(expectBlock) != 0 {
|
||||
t.Errorf("dao hard-fork block mismatch: have %v, want %v", config.DAOForkBlock, expectBlock)
|
||||
}
|
||||
if config.DAOForkSupport != expectVote {
|
||||
t.Errorf("dao hard-fork support mismatch: have %v, want %v", config.DAOForkSupport, expectVote)
|
||||
}
|
||||
}
|
||||
|
||||
// execDAOGeth starts a Geth instance with some DAO forks set and terminates.
|
||||
func execDAOGeth(t *testing.T, datadir string, testnet bool, supportFork bool, opposeFork bool) {
|
||||
args := []string{"--port", "0", "--maxpeers", "0", "--nodiscover", "--nat", "none", "--ipcdisable", "--datadir", datadir}
|
||||
if testnet {
|
||||
args = append(args, "--testnet")
|
||||
}
|
||||
if supportFork {
|
||||
args = append(args, "--support-dao-fork")
|
||||
}
|
||||
if opposeFork {
|
||||
args = append(args, "--oppose-dao-fork")
|
||||
}
|
||||
geth := runGeth(t, append(args, []string{"--exec", "2+2", "console"}...)...)
|
||||
geth.cmd.Wait()
|
||||
}
|
||||
|
||||
@ -75,7 +75,8 @@ var customGenesisTests = []struct {
|
||||
"timestamp" : "0x00",
|
||||
"config" : {
|
||||
"homesteadBlock" : 314,
|
||||
"daoForkBlock" : 141
|
||||
"daoForkBlock" : 141,
|
||||
"daoForkSupport" : true
|
||||
},
|
||||
}`,
|
||||
query: "eth.getBlock(0).nonce",
|
||||
|
||||
@ -798,43 +798,42 @@ func MustMakeChainConfig(ctx *cli.Context) *core.ChainConfig {
|
||||
// MustMakeChainConfigFromDb reads the chain configuration from the given database.
|
||||
func MustMakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *core.ChainConfig {
|
||||
// If the chain is already initialized, use any existing chain configs
|
||||
config := new(core.ChainConfig)
|
||||
|
||||
if genesis := core.GetBlock(db, core.GetCanonicalHash(db, 0), 0); genesis != nil {
|
||||
storedConfig, err := core.GetChainConfig(db, genesis.Hash())
|
||||
if err == nil {
|
||||
// Force override any existing configs if explicitly requested
|
||||
switch {
|
||||
case storedConfig.DAOForkBlock == nil && ctx.GlobalBool(SupportDAOFork.Name) && ctx.GlobalBool(TestNetFlag.Name):
|
||||
storedConfig.DAOForkBlock = params.TestNetDAOForkBlock
|
||||
case storedConfig.DAOForkBlock == nil && ctx.GlobalBool(SupportDAOFork.Name):
|
||||
storedConfig.DAOForkBlock = params.MainNetDAOForkBlock
|
||||
case ctx.GlobalBool(OpposeDAOFork.Name):
|
||||
storedConfig.DAOForkBlock = nil
|
||||
}
|
||||
return storedConfig
|
||||
} else if err != core.ChainConfigNotFoundErr {
|
||||
switch err {
|
||||
case nil:
|
||||
config = storedConfig
|
||||
case core.ChainConfigNotFoundErr:
|
||||
// No configs found, use empty, will populate below
|
||||
default:
|
||||
Fatalf("Could not make chain configuration: %v", err)
|
||||
}
|
||||
}
|
||||
// If the chain is uninitialized nor no configs are present, create one
|
||||
var homesteadBlock *big.Int
|
||||
if ctx.GlobalBool(TestNetFlag.Name) {
|
||||
homesteadBlock = params.TestNetHomesteadBlock
|
||||
} else {
|
||||
homesteadBlock = params.MainNetHomesteadBlock
|
||||
// Set any missing fields due to them being unset or system upgrade
|
||||
if config.HomesteadBlock == nil {
|
||||
if ctx.GlobalBool(TestNetFlag.Name) {
|
||||
config.HomesteadBlock = new(big.Int).Set(params.TestNetHomesteadBlock)
|
||||
} else {
|
||||
config.HomesteadBlock = new(big.Int).Set(params.MainNetHomesteadBlock)
|
||||
}
|
||||
}
|
||||
var daoForkBlock *big.Int
|
||||
if config.DAOForkBlock == nil {
|
||||
if ctx.GlobalBool(TestNetFlag.Name) {
|
||||
config.DAOForkBlock = new(big.Int).Set(params.TestNetDAOForkBlock)
|
||||
} else {
|
||||
config.DAOForkBlock = new(big.Int).Set(params.MainNetDAOForkBlock)
|
||||
}
|
||||
}
|
||||
// Force override any existing configs if explicitly requested
|
||||
switch {
|
||||
case ctx.GlobalBool(SupportDAOFork.Name) && ctx.GlobalBool(TestNetFlag.Name):
|
||||
daoForkBlock = params.TestNetDAOForkBlock
|
||||
case ctx.GlobalBool(SupportDAOFork.Name):
|
||||
daoForkBlock = params.MainNetDAOForkBlock
|
||||
config.DAOForkSupport = true
|
||||
case ctx.GlobalBool(OpposeDAOFork.Name):
|
||||
daoForkBlock = nil
|
||||
}
|
||||
return &core.ChainConfig{
|
||||
HomesteadBlock: homesteadBlock,
|
||||
DAOForkBlock: daoForkBlock,
|
||||
config.DAOForkSupport = false
|
||||
}
|
||||
return config
|
||||
}
|
||||
|
||||
// MakeChainDatabase open an LevelDB using the flags passed to the client and will hard crash if it fails.
|
||||
|
||||
@ -17,6 +17,7 @@
|
||||
package core
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"math/big"
|
||||
"time"
|
||||
@ -247,6 +248,26 @@ func ValidateHeader(config *ChainConfig, pow pow.PoW, header *types.Header, pare
|
||||
return &BlockNonceErr{header.Number, header.Hash(), header.Nonce.Uint64()}
|
||||
}
|
||||
}
|
||||
// DAO hard-fork extension to the header validity: a) if the node is no-fork,
|
||||
// do not accept blocks in the [fork, fork+10) range with the fork specific
|
||||
// extra-data set; b) if the node is pro-fork, require blocks in the specific
|
||||
// range to have the unique extra-data set.
|
||||
if daoBlock := config.DAOForkBlock; daoBlock != nil {
|
||||
// Check whether the block is among the fork extra-override range
|
||||
limit := new(big.Int).Add(daoBlock, params.DAOForkExtraRange)
|
||||
if daoBlock.Cmp(header.Number) <= 0 && header.Number.Cmp(limit) < 0 {
|
||||
// Depending whether we support or oppose the fork, verrift the extra-data contents
|
||||
if config.DAOForkSupport {
|
||||
if bytes.Compare(header.Extra, params.DAOForkBlockExtra) != 0 {
|
||||
return ValidationError("DAO pro-fork bad block extra-data: 0x%x", header.Extra)
|
||||
}
|
||||
} else {
|
||||
if bytes.Compare(header.Extra, params.DAOForkBlockExtra) == 0 {
|
||||
return ValidationError("DAO no-fork bad block extra-data: 0x%x", header.Extra)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
|
||||
@ -27,6 +27,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/core/vm"
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow/ezp"
|
||||
)
|
||||
|
||||
@ -92,3 +93,107 @@ func TestPutReceipt(t *testing.T) {
|
||||
t.Error("expected to get 1 receipt, got none.")
|
||||
}
|
||||
}
|
||||
|
||||
// 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(genesis, db, int(forkBlock.Int64()-1), func(i int, gen *BlockGen) {})
|
||||
|
||||
// Create the concurrent, conflicting two nodes
|
||||
proDb, _ := ethdb.NewMemDatabase()
|
||||
WriteGenesisBlockForTesting(proDb)
|
||||
proBc, _ := NewBlockChain(proDb, &ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true}, new(FakePow), new(event.TypeMux))
|
||||
|
||||
conDb, _ := ethdb.NewMemDatabase()
|
||||
WriteGenesisBlockForTesting(conDb)
|
||||
conBc, _ := NewBlockChain(conDb, &ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false}, 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, &ChainConfig{HomesteadBlock: big.NewInt(0)}, 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(conBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) { gen.SetExtra(params.DAOForkBlockExtra) })
|
||||
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(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, &ChainConfig{HomesteadBlock: big.NewInt(0)}, 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(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(proBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) { gen.SetExtra(params.DAOForkBlockExtra) })
|
||||
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, &ChainConfig{HomesteadBlock: big.NewInt(0)}, 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(conBc.CurrentBlock(), db, 1, func(i int, gen *BlockGen) { gen.SetExtra(params.DAOForkBlockExtra) })
|
||||
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, &ChainConfig{HomesteadBlock: big.NewInt(0)}, 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(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)
|
||||
}
|
||||
}
|
||||
|
||||
@ -31,8 +31,9 @@ var ChainConfigNotFoundErr = errors.New("ChainConfig not found") // general conf
|
||||
// that any network, identified by its genesis block, can have its own
|
||||
// set of configuration options.
|
||||
type ChainConfig struct {
|
||||
HomesteadBlock *big.Int `json:"homesteadBlock"` // homestead switch block (0 = already homestead)
|
||||
DAOForkBlock *big.Int `json:"daoForkBlock"` // TheDAO hard-fork block (nil = no fork)
|
||||
HomesteadBlock *big.Int `json:"homesteadBlock"` // Homestead switch block (nil = no fork, 0 = already homestead)
|
||||
DAOForkBlock *big.Int `json:"daoForkBlock"` // TheDAO hard-fork switch block (nil = no fork)
|
||||
DAOForkSupport bool `json:"daoForkSupport"` // Whether the nodes supports or opposes the DAO hard-fork
|
||||
|
||||
VmConfig vm.Config `json:"-"`
|
||||
}
|
||||
|
||||
@ -17,6 +17,7 @@
|
||||
package miner
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"math/big"
|
||||
"sync"
|
||||
@ -469,12 +470,17 @@ func (self *worker) commitNewWork() {
|
||||
Extra: self.extra,
|
||||
Time: big.NewInt(tstamp),
|
||||
}
|
||||
// If we are doing a DAO hard-fork check whether to override the extra-data or not
|
||||
// If we are care about TheDAO hard-fork check whether to override the extra-data or not
|
||||
if daoBlock := self.config.DAOForkBlock; daoBlock != nil {
|
||||
// Check whether the block is among the fork extra-override range
|
||||
limit := new(big.Int).Add(daoBlock, params.DAOForkExtraRange)
|
||||
if daoBlock.Cmp(header.Number) <= 0 && header.Number.Cmp(limit) < 0 {
|
||||
header.Extra = common.CopyBytes(params.DAOForkBlockExtra)
|
||||
// Depending whether we support or oppose the fork, override differently
|
||||
if self.config.DAOForkSupport {
|
||||
header.Extra = common.CopyBytes(params.DAOForkBlockExtra)
|
||||
} else if bytes.Compare(header.Extra, params.DAOForkBlockExtra) == 0 {
|
||||
header.Extra = []byte{} // If miner opposes, don't let it use the reserved extra-data
|
||||
}
|
||||
}
|
||||
}
|
||||
previous := self.current
|
||||
|
||||
Loading…
Reference in New Issue
Block a user