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core: remove dead code, limit test code scope (#17006)

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* core: move test util var/func to test file

* core: remove useless func
This commit is contained in:
Wenbiao Zheng 2018-06-19 19:41:13 +08:00 committed by Péter Szilágyi
parent 3e57c33147
commit 9b1536b26a
4 changed files with 34 additions and 48 deletions
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34
core/blockchain_test.go
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@ -25,6 +25,7 @@ import (
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
@ -35,6 +36,39 @@ import (
"github.com/ethereum/go-ethereum/params"
)
// So we can deterministically seed different blockchains
var (
canonicalSeed = 1
forkSeed = 2
)
// newCanonical creates a chain database, and injects a deterministic canonical
// chain. Depending on the full flag, if creates either a full block chain or a
// header only chain.
func newCanonical(engine consensus.Engine, n int, full bool) (ethdb.Database, *BlockChain, error) {
var (
db = ethdb.NewMemDatabase()
genesis = new(Genesis).MustCommit(db)
)
// Initialize a fresh chain with only a genesis block
blockchain, _ := NewBlockChain(db, nil, params.AllEthashProtocolChanges, engine, vm.Config{})
// Create and inject the requested chain
if n == 0 {
return db, blockchain, nil
}
if full {
// Full block-chain requested
blocks := makeBlockChain(genesis, n, engine, db, canonicalSeed)
_, err := blockchain.InsertChain(blocks)
return db, blockchain, err
}
// Header-only chain requested
headers := makeHeaderChain(genesis.Header(), n, engine, db, canonicalSeed)
_, err := blockchain.InsertHeaderChain(headers, 1)
return db, blockchain, err
}
// Test fork of length N starting from block i
func testFork(t *testing.T, blockchain *BlockChain, i, n int, full bool, comparator func(td1, td2 *big.Int)) {
// Copy old chain up to #i into a new db

33
core/chain_makers.go
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@ -30,12 +30,6 @@ import (
"github.com/ethereum/go-ethereum/params"
)
// So we can deterministically seed different blockchains
var (
canonicalSeed = 1
forkSeed = 2
)
// BlockGen creates blocks for testing.
// See GenerateChain for a detailed explanation.
type BlockGen struct {
@ -252,33 +246,6 @@ func makeHeader(chain consensus.ChainReader, parent *types.Block, state *state.S
}
}
// newCanonical creates a chain database, and injects a deterministic canonical
// chain. Depending on the full flag, if creates either a full block chain or a
// header only chain.
func newCanonical(engine consensus.Engine, n int, full bool) (ethdb.Database, *BlockChain, error) {
var (
db = ethdb.NewMemDatabase()
genesis = new(Genesis).MustCommit(db)
)
// Initialize a fresh chain with only a genesis block
blockchain, _ := NewBlockChain(db, nil, params.AllEthashProtocolChanges, engine, vm.Config{})
// Create and inject the requested chain
if n == 0 {
return db, blockchain, nil
}
if full {
// Full block-chain requested
blocks := makeBlockChain(genesis, n, engine, db, canonicalSeed)
_, err := blockchain.InsertChain(blocks)
return db, blockchain, err
}
// Header-only chain requested
headers := makeHeaderChain(genesis.Header(), n, engine, db, canonicalSeed)
_, err := blockchain.InsertHeaderChain(headers, 1)
return db, blockchain, err
}
// makeHeaderChain creates a deterministic chain of headers rooted at parent.
func makeHeaderChain(parent *types.Header, n int, engine consensus.Engine, db ethdb.Database, seed int) []*types.Header {
blocks := makeBlockChain(types.NewBlockWithHeader(parent), n, engine, db, seed)

9
core/types/transaction.go
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@ -35,15 +35,6 @@ var (
ErrInvalidSig = errors.New("invalid transaction v, r, s values")
)
// deriveSigner makes a *best* guess about which signer to use.
func deriveSigner(V *big.Int) Signer {
if V.Sign() != 0 && isProtectedV(V) {
return NewEIP155Signer(deriveChainId(V))
} else {
return HomesteadSigner{}
}
}
type Transaction struct {
data txdata
// caches

6
core/vm/memory_table.go
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@ -65,12 +65,6 @@ func memoryCall(stack *Stack) *big.Int {
return math.BigMax(x, y)
}
func memoryCallCode(stack *Stack) *big.Int {
x := calcMemSize(stack.Back(5), stack.Back(6))
y := calcMemSize(stack.Back(3), stack.Back(4))
return math.BigMax(x, y)
}
func memoryDelegateCall(stack *Stack) *big.Int {
x := calcMemSize(stack.Back(4), stack.Back(5))
y := calcMemSize(stack.Back(2), stack.Back(3))