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all: swap out the C++ ethash to the pure Go one (mining todo)

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This commit is contained in:
Péter Szilágyi
2017-03-05 20:00:01 +02:00
committed by Felix Lange
parent 3b00a77de5
commit 567d41d936
31 changed files with 1348 additions and 1156 deletions
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28
core/chain_pow_test.go
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@ -17,6 +17,7 @@
package core
import (
"errors"
"math/big"
"runtime"
"testing"
@ -35,12 +36,16 @@ type failPow struct {
failing uint64
}
func (pow failPow) Search(pow.Block, <-chan struct{}, int) (uint64, []byte) {
func (pow failPow) Search(pow.Block, <-chan struct{}) (uint64, []byte) {
return 0, nil
}
func (pow failPow) Verify(block pow.Block) bool { return block.NumberU64() != pow.failing }
func (pow failPow) GetHashrate() int64 { return 0 }
func (pow failPow) Turbo(bool) {}
func (pow failPow) Verify(block pow.Block) error {
if block.NumberU64() == pow.failing {
return errors.New("failed")
}
return nil
}
func (pow failPow) Hashrate() float64 { return 0 }
// delayedPow is a non-validating proof of work implementation, that returns true
// from Verify for all blocks, but delays them the configured amount of time.
@ -48,12 +53,11 @@ type delayedPow struct {
delay time.Duration
}
func (pow delayedPow) Search(pow.Block, <-chan struct{}, int) (uint64, []byte) {
func (pow delayedPow) Search(pow.Block, <-chan struct{}) (uint64, []byte) {
return 0, nil
}
func (pow delayedPow) Verify(block pow.Block) bool { time.Sleep(pow.delay); return true }
func (pow delayedPow) GetHashrate() int64 { return 0 }
func (pow delayedPow) Turbo(bool) {}
func (pow delayedPow) Verify(block pow.Block) error { time.Sleep(pow.delay); return nil }
func (pow delayedPow) Hashrate() float64 { return 0 }
// Tests that simple POW verification works, for both good and bad blocks.
func TestPowVerification(t *testing.T) {
@ -75,11 +79,11 @@ func TestPowVerification(t *testing.T) {
switch {
case full && valid:
_, results = verifyNoncesFromBlocks(FakePow{}, []*types.Block{blocks[i]})
_, results = verifyNoncesFromBlocks(pow.FakePow{}, []*types.Block{blocks[i]})
case full && !valid:
_, results = verifyNoncesFromBlocks(failPow{blocks[i].NumberU64()}, []*types.Block{blocks[i]})
case !full && valid:
_, results = verifyNoncesFromHeaders(FakePow{}, []*types.Header{headers[i]})
_, results = verifyNoncesFromHeaders(pow.FakePow{}, []*types.Header{headers[i]})
case !full && !valid:
_, results = verifyNoncesFromHeaders(failPow{headers[i].Number.Uint64()}, []*types.Header{headers[i]})
}
@ -134,11 +138,11 @@ func testPowConcurrentVerification(t *testing.T, threads int) {
switch {
case full && valid:
_, results = verifyNoncesFromBlocks(FakePow{}, blocks)
_, results = verifyNoncesFromBlocks(pow.FakePow{}, blocks)
case full && !valid:
_, results = verifyNoncesFromBlocks(failPow{uint64(len(blocks) - 1)}, blocks)
case !full && valid:
_, results = verifyNoncesFromHeaders(FakePow{}, headers)
_, results = verifyNoncesFromHeaders(pow.FakePow{}, headers)
case !full && !valid:
_, results = verifyNoncesFromHeaders(failPow{uint64(len(headers) - 1)}, headers)
}