EIP 196, 197, 198 (#24)

* implement bn256 precompiles * implement bigModExp * add comments and test * run precompile tests * skip failing tests for now * add distinction between atlantis and pre-atlantis precompiles * refactor precompiles to separate pre and post atlantis * implement bn256 precompiles * implement bigModExp * add comments and test * run precompile tests * skip failing tests for now * add distinction between atlantis and pre-atlantis precompiles * refactor precompiles to separate pre and post atlantis * fix ecrecover edge case * implement bn256 precompiles * implement bigModExp * add comments and test * run precompile tests * skip failing tests for now * add distinction between atlantis and pre-atlantis precompiles * refactor precompiles to separate pre and post atlantis * implement bn256 precompiles * implement bigModExp * add comments and test * run precompile tests * fix ecrecover edge case * update go.mod * remove skip for previously failing tests * attempt to fix go.mod * attempt to fix go.mod * fix go.mod termiu version
eth-classic · May 30, 2019 · 5aff51c · 5aff51c
1 parent db1d4a1
commit 5aff51c
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Showing 12 changed files with 307 additions and 55 deletions.
diff --git a/.gitignore b/.gitignore
@@ -33,3 +33,5 @@ coverage.txt
 .vscode
 
 accounts/testdata/keystore/accounts.db
+*sublime-project
+*sublime-workspace
diff --git a/common/integer.go b/common/integer.go
@@ -0,0 +1,16 @@
+package common
+
+const (
+	MaxInt8   = 1<<7 - 1
+	MinInt8   = -1 << 7
+	MaxInt16  = 1<<15 - 1
+	MinInt16  = -1 << 15
+	MaxInt32  = 1<<31 - 1
+	MinInt32  = -1 << 31
+	MaxInt64  = 1<<63 - 1
+	MinInt64  = -1 << 63
+	MaxUint8  = 1<<8 - 1
+	MaxUint16 = 1<<16 - 1
+	MaxUint32 = 1<<32 - 1
+	MaxUint64 = 1<<64 - 1
+)
diff --git a/core/assets/assets.go b/core/assets/assets.go
@@ -76,7 +76,7 @@ func (f *File) Close() error {
 }
 
 // Readdir implements http.File.Readdir
-func (f *File) Readdir(count int) ([]os.FileInfo, error) {
+func (f *File) Readdir(_ int) ([]os.FileInfo, error) {
 	return nil, os.ErrNotExist
 }
 
@@ -123,7 +123,7 @@ func (f *FileInfo) IsDir() bool {
 }
 
 // Readdir implements os.FileInfo.Readdir
-func (f *FileInfo) Readdir(count int) ([]os.FileInfo, error) {
+func (f *FileInfo) Readdir(_ int) ([]os.FileInfo, error) {
 	return f.files, nil
 }
 
@@ -435,7 +435,7 @@ func init() {
 				fi: FileInfo{
 					name:    "mainnet.json",
 					size:    3503,
-					modTime: time.Unix(0, 1525956628000000000),
+					modTime: time.Unix(0, 1553983028384120351),
 					isDir:   false,
 				},
 			}, "/core/config/mainnet_bootnodes.json": File{
@@ -587,7 +587,7 @@ func init() {
 				fi: FileInfo{
 					name:    "mainnet_bootnodes.json",
 					size:    1715,
-					modTime: time.Unix(0, 1525956628000000000),
+					modTime: time.Unix(0, 1553983028384120351),
 					isDir:   false,
 				},
 			}, "/core/config/mainnet_genesis.json": File{
@@ -623,7 +623,7 @@ func init() {
 				fi: FileInfo{
 					name:    "mainnet_genesis.json",
 					size:    313,
-					modTime: time.Unix(0, 1527228759000000000),
+					modTime: time.Unix(0, 1553983028384120351),
 					isDir:   false,
 				},
 			}, "/core/config/mainnet_genesis_alloc.csv": File{
@@ -50741,7 +50741,7 @@ func init() {
 				fi: FileInfo{
 					name:    "mainnet_genesis_alloc.csv",
 					size:    601300,
-					modTime: time.Unix(0, 1525956628000000000),
+					modTime: time.Unix(0, 1553983028392120353),
 					isDir:   false,
 				},
 			}, "/core/config/morden.json": File{
@@ -51057,7 +51057,7 @@ func init() {
 				fi: FileInfo{
 					name:    "morden.json",
 					size:    3682,
-					modTime: time.Unix(0, 1525956628000000000),
+					modTime: time.Unix(0, 1553983028392120353),
 					isDir:   false,
 				},
 			}, "/core/config/morden_bootnodes.json": File{
@@ -51279,7 +51279,7 @@ func init() {
 				fi: FileInfo{
 					name:    "morden_bootnodes.json",
 					size:    2552,
-					modTime: time.Unix(0, 1527231057000000000),
+					modTime: time.Unix(0, 1553983028392120353),
 					isDir:   false,
 				},
 			}, "/core/config/morden_genesis.json": File{
@@ -51319,7 +51319,7 @@ func init() {
 				fi: FileInfo{
 					name:    "morden_genesis.json",
 					size:    364,
-					modTime: time.Unix(0, 1525956628000000000),
+					modTime: time.Unix(0, 1553983028392120353),
 					isDir:   false,
 				},
 			}, "/core/config/morden_genesis_alloc.csv": File{
@@ -51353,7 +51353,7 @@ func init() {
 				fi: FileInfo{
 					name:    "morden_genesis_alloc.csv",
 					size:    295,
-					modTime: time.Unix(0, 1525956628000000000),
+					modTime: time.Unix(0, 1553983028392120353),
 					isDir:   false,
 				},
 			},

diff --git a/core/execution.go b/core/execution.go
@@ -110,7 +110,7 @@ func exec(env vm.Environment, caller vm.ContractRef, address, codeAddr *common.A
 	} else {
 		if !env.Db().Exist(*address) {
 			//no account may change state from non-existent to existent-but-empty. Refund sender.
-			if vm.Precompiled[(*address).Str()] == nil && env.RuleSet().IsAtlantis(env.BlockNumber()) && value.BitLen() == 0 {
+			if vm.PrecompiledAtlantis[(*address).Str()] == nil && env.RuleSet().IsAtlantis(env.BlockNumber()) && value.BitLen() == 0 {
 				caller.ReturnGas(gas, gasPrice)
 				return nil, common.Address{}, nil
 			}

diff --git a/core/vm/common.go b/core/vm/common.go
@@ -101,3 +101,12 @@ func useGas(gas, amount *big.Int) bool {
 	gas.Sub(gas, amount)
 	return true
 }
+
+func allZero(b []byte) bool {
+	for _, byte := range b {
+		if byte != 0 {
+			return false
+		}
+	}
+	return true
+}