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authorPéter Szilágyi <peterke@gmail.com>2016-04-11 22:14:32 +0800
committerPéter Szilágyi <peterke@gmail.com>2016-04-11 22:14:32 +0800
commit701ac1ce6c8ff9a2c15969baf89466b3995b9a7b (patch)
tree041ca55856738e15bda4ec1f29c131931b981f50 /Godeps
parent8abf06d378e3f6512dfce6e74d76431de024fad7 (diff)
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Godeps: pull in the ethash opencl fix
Diffstat (limited to 'Godeps')
-rw-r--r--Godeps/Godeps.json9
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go23
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/ethash_opencl.go31
-rw-r--r--Godeps/_workspace/src/github.com/rs/xhandler/chain.go2
-rw-r--r--Godeps/_workspace/src/github.com/rs/xhandler/middleware.go2
-rw-r--r--Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go2
6 files changed, 35 insertions, 34 deletions
diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index 119ed6205..33c8c7d54 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -1,7 +1,6 @@
{
"ImportPath": "github.com/ethereum/go-ethereum",
"GoVersion": "go1.5.2",
- "GodepVersion": "v60",
"Packages": [
"./..."
],
@@ -21,8 +20,8 @@
},
{
"ImportPath": "github.com/ethereum/ethash",
- "Comment": "v23.1-242-gbc9ba4d",
- "Rev": "bc9ba4d6a83a0fe308fefd8c6001b8ed1607137f"
+ "Comment": "v23.1-245-g25b32de",
+ "Rev": "25b32de0c0271065c28c3719c2bfe86959d72f0c"
},
{
"ImportPath": "github.com/fatih/color",
@@ -145,8 +144,8 @@
"Rev": "53221230c215611a90762720c9042ac782ef74ee"
},
{
- "ImportPath": "github.com/rs/cors",
- "Rev": "5950cf11d77f8a61b432a25dd4d444b4ced01379"
+ "ImportPath": "github.com/rs/cors",
+ "Rev": "5950cf11d77f8a61b432a25dd4d444b4ced01379"
},
{
"ImportPath": "github.com/syndtr/goleveldb/leveldb",
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go b/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
index 60121bb3b..2a31aaf2d 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
@@ -105,6 +105,15 @@ func freeCache(cache *cache) {
cache.ptr = nil
}
+func (cache *cache) compute(dagSize uint64, hash common.Hash, nonce uint64) (ok bool, mixDigest, result common.Hash) {
+ ret := C.ethash_light_compute_internal(cache.ptr, C.uint64_t(dagSize), hashToH256(hash), C.uint64_t(nonce))
+ // Make sure cache is live until after the C call.
+ // This is important because a GC might happen and execute
+ // the finalizer before the call completes.
+ _ = cache
+ return bool(ret.success), h256ToHash(ret.mix_hash), h256ToHash(ret.result)
+}
+
// Light implements the Verify half of the proof of work. It uses a few small
// in-memory caches to verify the nonces found by Full.
type Light struct {
@@ -140,29 +149,23 @@ func (l *Light) Verify(block pow.Block) bool {
cache := l.getCache(blockNum)
dagSize := C.ethash_get_datasize(C.uint64_t(blockNum))
-
if l.test {
dagSize = dagSizeForTesting
}
// Recompute the hash using the cache.
- hash := hashToH256(block.HashNoNonce())
- ret := C.ethash_light_compute_internal(cache.ptr, dagSize, hash, C.uint64_t(block.Nonce()))
- if !ret.success {
+ ok, mixDigest, result := cache.compute(uint64(dagSize), block.HashNoNonce(), block.Nonce())
+ if !ok {
return false
}
// avoid mixdigest malleability as it's not included in a block's "hashNononce"
- if block.MixDigest() != h256ToHash(ret.mix_hash) {
+ if block.MixDigest() != mixDigest {
return false
}
- // Make sure cache is live until after the C call.
- // This is important because a GC might happen and execute
- // the finalizer before the call completes.
- _ = cache
// The actual check.
target := new(big.Int).Div(maxUint256, difficulty)
- return h256ToHash(ret.result).Big().Cmp(target) <= 0
+ return result.Big().Cmp(target) <= 0
}
func h256ToHash(in C.ethash_h256_t) common.Hash {
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/ethash_opencl.go b/Godeps/_workspace/src/github.com/ethereum/ethash/ethash_opencl.go
index 332b7f524..451049eae 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/ethash_opencl.go
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/ethash_opencl.go
@@ -138,7 +138,7 @@ func PrintDevices() {
platforms, err := cl.GetPlatforms()
if err != nil {
- fmt.Println("Plaform error (check your OpenCL installation): %v", err)
+ fmt.Println("Plaform error (check your OpenCL installation):", err)
return
}
@@ -267,13 +267,13 @@ func initCLDevice(deviceId int, device *cl.Device, c *OpenCLMiner) error {
context, err := cl.CreateContext([]*cl.Device{device})
if err != nil {
- return fmt.Errorf("failed creating context:", err)
+ return fmt.Errorf("failed creating context: %v", err)
}
// TODO: test running with CL_QUEUE_PROFILING_ENABLE for profiling?
queue, err := context.CreateCommandQueue(device, 0)
if err != nil {
- return fmt.Errorf("command queue err:", err)
+ return fmt.Errorf("command queue err: %v", err)
}
// See [4] section 3.2 and [3] "clBuildProgram".
@@ -287,7 +287,7 @@ func initCLDevice(deviceId int, device *cl.Device, c *OpenCLMiner) error {
program, err := context.CreateProgramWithSource([]string{kernelCode})
if err != nil {
- return fmt.Errorf("program err:", err)
+ return fmt.Errorf("program err: %v", err)
}
/* if using AMD OpenCL impl, you can set this to debug on x86 CPU device.
@@ -303,7 +303,7 @@ func initCLDevice(deviceId int, device *cl.Device, c *OpenCLMiner) error {
buildOpts := ""
err = program.BuildProgram([]*cl.Device{device}, buildOpts)
if err != nil {
- return fmt.Errorf("program build err:", err)
+ return fmt.Errorf("program build err: %v", err)
}
var searchKernelName, hashKernelName string
@@ -313,7 +313,7 @@ func initCLDevice(deviceId int, device *cl.Device, c *OpenCLMiner) error {
searchKernel, err := program.CreateKernel(searchKernelName)
hashKernel, err := program.CreateKernel(hashKernelName)
if err != nil {
- return fmt.Errorf("kernel err:", err)
+ return fmt.Errorf("kernel err: %v", err)
}
// TODO: when this DAG size appears, patch the Go bindings
@@ -328,28 +328,28 @@ func initCLDevice(deviceId int, device *cl.Device, c *OpenCLMiner) error {
dagBuf := *(new(*cl.MemObject))
dagBuf, err = context.CreateEmptyBuffer(cl.MemReadOnly, int(c.dagSize))
if err != nil {
- return fmt.Errorf("allocating dag buf failed: ", err)
+ return fmt.Errorf("allocating dag buf failed: %v", err)
}
// write DAG to device mem
dagPtr := unsafe.Pointer(c.ethash.Full.current.ptr.data)
_, err = queue.EnqueueWriteBuffer(dagBuf, true, 0, int(c.dagSize), dagPtr, nil)
if err != nil {
- return fmt.Errorf("writing to dag buf failed: ", err)
+ return fmt.Errorf("writing to dag buf failed: %v", err)
}
searchBuffers := make([]*cl.MemObject, searchBufSize)
for i := 0; i < searchBufSize; i++ {
searchBuff, err := context.CreateEmptyBuffer(cl.MemWriteOnly, (1+maxSearchResults)*SIZEOF_UINT32)
if err != nil {
- return fmt.Errorf("search buffer err:", err)
+ return fmt.Errorf("search buffer err: %v", err)
}
searchBuffers[i] = searchBuff
}
headerBuf, err := context.CreateEmptyBuffer(cl.MemReadOnly, 32)
if err != nil {
- return fmt.Errorf("header buffer err:", err)
+ return fmt.Errorf("header buffer err: %v", err)
}
// Unique, random nonces are crucial for mining efficieny.
@@ -556,13 +556,13 @@ func (c *OpenCLMiner) Search(block pow.Block, stop <-chan struct{}, index int) (
upperNonce := uint64(binary.LittleEndian.Uint32(results[lo:hi]))
checkNonce = p.startNonce + upperNonce
if checkNonce != 0 {
- cn := C.uint64_t(checkNonce)
- ds := C.uint64_t(c.dagSize)
// We verify that the nonce is indeed a solution by
// executing the Ethash verification function (on the CPU).
- ret := C.ethash_light_compute_internal(c.ethash.Light.current.ptr, ds, hashToH256(headerHash), cn)
+ cache := c.ethash.Light.getCache(block.NumberU64())
+ ok, mixDigest, result := cache.compute(c.dagSize, headerHash, checkNonce)
+
// TODO: return result first
- if ret.success && h256ToHash(ret.result).Big().Cmp(target256) <= 0 {
+ if ok && result.Big().Cmp(target256) <= 0 {
_, err = d.queue.EnqueueUnmapMemObject(d.searchBuffers[p.bufIndex], cres, nil)
if err != nil {
fmt.Println("Error in Search clEnqueueUnmapMemObject: ", err)
@@ -573,9 +573,8 @@ func (c *OpenCLMiner) Search(block pow.Block, stop <-chan struct{}, index int) (
fmt.Println("Error in Search WaitForEvents: ", err)
}
}
- return checkNonce, C.GoBytes(unsafe.Pointer(&ret.mix_hash), C.int(32))
+ return checkNonce, mixDigest.Bytes()
}
-
_, err := d.queue.EnqueueWriteBuffer(d.searchBuffers[p.bufIndex], false, 0, 4, unsafe.Pointer(&zero), nil)
if err != nil {
fmt.Println("Error in Search cl: EnqueueWriteBuffer", err)
diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/chain.go b/Godeps/_workspace/src/github.com/rs/xhandler/chain.go
index ffac67e8a..042274d17 100644
--- a/Godeps/_workspace/src/github.com/rs/xhandler/chain.go
+++ b/Godeps/_workspace/src/github.com/rs/xhandler/chain.go
@@ -3,7 +3,7 @@ package xhandler
import (
"net/http"
- "github.com/ethereum/go-ethereum/Godeps/_workspace/src/golang.org/x/net/context"
+ "golang.org/x/net/context"
)
// Chain is an helper to chain middleware handlers together for an easier
diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/middleware.go b/Godeps/_workspace/src/github.com/rs/xhandler/middleware.go
index 64b180323..5de136419 100644
--- a/Godeps/_workspace/src/github.com/rs/xhandler/middleware.go
+++ b/Godeps/_workspace/src/github.com/rs/xhandler/middleware.go
@@ -4,7 +4,7 @@ import (
"net/http"
"time"
- "github.com/ethereum/go-ethereum/Godeps/_workspace/src/golang.org/x/net/context"
+ "golang.org/x/net/context"
)
// CloseHandler returns a Handler cancelling the context when the client
diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go b/Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go
index b71789804..718c25322 100644
--- a/Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go
+++ b/Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go
@@ -14,7 +14,7 @@ package xhandler
import (
"net/http"
- "github.com/ethereum/go-ethereum/Godeps/_workspace/src/golang.org/x/net/context"
+ "golang.org/x/net/context"
)
// HandlerC is a net/context aware http.Handler